+2016-07-10 Myles C. Maxfield <mmaxfield@apple.com>
+
+ Move breaking iterator code to WTF
+ https://bugs.webkit.org/show_bug.cgi?id=159594
+
+ Reviewed by Alex Christensen.
+
+ This is in preparation for giving StringView a GraphemeClusters iterator.
+ Such an interator needs to be implemented on top of our breaking iterator
+ code.
+
+ * WTF.xcodeproj/project.pbxproj:
+ * icu/unicode/ubrk.h: Added.
+ * icu/unicode/utext.h: Renamed from Source/WebCore/icu/unicode/utext.h.
+ * wtf/CMakeLists.txt:
+ * wtf/PlatformEfl.cmake:
+ * wtf/PlatformGTK.cmake:
+ * wtf/PlatformMac.cmake:
+ * wtf/PlatformWin.cmake:
+ * wtf/TinyLRUCache.h:
+ * wtf/text/LineBreakIteratorPoolICU.h: Renamed from Source/WebCore/platform/text/LineBreakIteratorPoolICU.h.
+ (WTF::LineBreakIteratorPool::LineBreakIteratorPool):
+ (WTF::LineBreakIteratorPool::sharedPool):
+ (WTF::LineBreakIteratorPool::makeLocaleWithBreakKeyword):
+ (WTF::LineBreakIteratorPool::take):
+ (WTF::LineBreakIteratorPool::put):
+ * wtf/text/TextBreakIterator.cpp: Renamed from Source/WebCore/platform/text/TextBreakIterator.cpp.
+ (WTF::initializeIterator):
+ (WTF::initializeIteratorWithRules):
+ (WTF::setTextForIterator):
+ (WTF::setContextAwareTextForIterator):
+ (WTF::wordBreakIterator):
+ (WTF::sentenceBreakIterator):
+ (WTF::cursorMovementIterator):
+ (WTF::acquireLineBreakIterator):
+ (WTF::releaseLineBreakIterator):
+ (WTF::mapLineIteratorModeToRules):
+ (WTF::isCJKLocale):
+ (WTF::openLineBreakIterator):
+ (WTF::closeLineBreakIterator):
+ (WTF::compareAndSwapNonSharedCharacterBreakIterator):
+ (WTF::NonSharedCharacterBreakIterator::NonSharedCharacterBreakIterator):
+ (WTF::NonSharedCharacterBreakIterator::~NonSharedCharacterBreakIterator):
+ (WTF::textBreakFirst):
+ (WTF::textBreakLast):
+ (WTF::textBreakNext):
+ (WTF::textBreakPrevious):
+ (WTF::textBreakPreceding):
+ (WTF::textBreakFollowing):
+ (WTF::textBreakCurrent):
+ (WTF::isTextBreak):
+ (WTF::isWordTextBreak):
+ (WTF::numGraphemeClusters):
+ (WTF::numCharactersInGraphemeClusters):
+ * wtf/text/TextBreakIterator.h: Renamed from Source/WebCore/platform/text/TextBreakIterator.h.
+ (WTF::LazyLineBreakIterator::LazyLineBreakIterator):
+ (WTF::LazyLineBreakIterator::~LazyLineBreakIterator):
+ (WTF::LazyLineBreakIterator::string):
+ (WTF::LazyLineBreakIterator::isLooseCJKMode):
+ (WTF::LazyLineBreakIterator::lastCharacter):
+ (WTF::LazyLineBreakIterator::secondToLastCharacter):
+ (WTF::LazyLineBreakIterator::setPriorContext):
+ (WTF::LazyLineBreakIterator::updatePriorContext):
+ (WTF::LazyLineBreakIterator::resetPriorContext):
+ (WTF::LazyLineBreakIterator::priorContextLength):
+ (WTF::LazyLineBreakIterator::get):
+ (WTF::LazyLineBreakIterator::resetStringAndReleaseIterator):
+ (WTF::NonSharedCharacterBreakIterator::operator TextBreakIterator*):
+ * wtf/text/TextBreakIteratorInternalICU.h: Renamed from Source/WebCore/platform/text/TextBreakIteratorInternalICU.h.
+ * wtf/text/efl/TextBreakIteratorInternalICUEfl.cpp: Renamed from Source/WebCore/platform/text/efl/TextBreakIteratorInternalICUEfl.cpp.
+ (WebCore::currentSearchLocaleID):
+ (WebCore::currentTextBreakLocaleID):
+ * wtf/text/gtk/TextBreakIteratorInternalICUGtk.cpp: Renamed from Source/WebCore/platform/text/gtk/TextBreakIteratorInternalICUGtk.cpp.
+ (WebCore::currentSearchLocaleID):
+ (WebCore::currentTextBreakLocaleID):
+ * wtf/text/icu/UTextProvider.cpp: Renamed from Source/WebCore/platform/text/icu/UTextProvider.cpp.
+ (WTF::fixPointer):
+ (WTF::uTextCloneImpl):
+ * wtf/text/icu/UTextProvider.h: Renamed from Source/WebCore/platform/text/icu/UTextProvider.h.
+ (WTF::uTextProviderContext):
+ (WTF::initializeContextAwareUTextProvider):
+ (WTF::uTextAccessPinIndex):
+ (WTF::uTextAccessInChunkOrOutOfRange):
+ * wtf/text/icu/UTextProviderLatin1.cpp: Renamed from Source/WebCore/platform/text/icu/UTextProviderLatin1.cpp.
+ (WTF::uTextLatin1Clone):
+ (WTF::uTextLatin1NativeLength):
+ (WTF::uTextLatin1Access):
+ (WTF::uTextLatin1Extract):
+ (WTF::uTextLatin1MapOffsetToNative):
+ (WTF::uTextLatin1MapNativeIndexToUTF16):
+ (WTF::uTextLatin1Close):
+ (WTF::openLatin1UTextProvider):
+ (WTF::textLatin1ContextAwareGetCurrentContext):
+ (WTF::textLatin1ContextAwareMoveInPrimaryContext):
+ (WTF::textLatin1ContextAwareSwitchToPrimaryContext):
+ (WTF::textLatin1ContextAwareMoveInPriorContext):
+ (WTF::textLatin1ContextAwareSwitchToPriorContext):
+ (WTF::uTextLatin1ContextAwareClone):
+ (WTF::uTextLatin1ContextAwareNativeLength):
+ (WTF::uTextLatin1ContextAwareAccess):
+ (WTF::uTextLatin1ContextAwareExtract):
+ (WTF::uTextLatin1ContextAwareClose):
+ (WTF::openLatin1ContextAwareUTextProvider):
+ * wtf/text/icu/UTextProviderLatin1.h: Renamed from Source/WebCore/platform/text/icu/UTextProviderLatin1.h.
+ * wtf/text/icu/UTextProviderUTF16.cpp: Renamed from Source/WebCore/platform/text/icu/UTextProviderUTF16.cpp.
+ (WTF::textUTF16ContextAwareGetCurrentContext):
+ (WTF::textUTF16ContextAwareMoveInPrimaryContext):
+ (WTF::textUTF16ContextAwareSwitchToPrimaryContext):
+ (WTF::textUTF16ContextAwareMoveInPriorContext):
+ (WTF::textUTF16ContextAwareSwitchToPriorContext):
+ (WTF::uTextUTF16ContextAwareClone):
+ (WTF::uTextUTF16ContextAwareNativeLength):
+ (WTF::uTextUTF16ContextAwareAccess):
+ (WTF::uTextUTF16ContextAwareExtract):
+ (WTF::uTextUTF16ContextAwareClose):
+ (WTF::openUTF16ContextAwareUTextProvider):
+ * wtf/text/icu/UTextProviderUTF16.h: Renamed from Source/WebCore/platform/text/icu/UTextProviderUTF16.h.
+ * wtf/text/mac/TextBreakIteratorInternalICUMac.mm: Renamed from Source/WebCore/platform/text/mac/TextBreakIteratorInternalICUMac.mm.
+ (WTF::textBreakLocalePreference):
+ (WTF::topLanguagePreference):
+ (WTF::getLocale):
+ (WTF::getSearchLocale):
+ (WTF::currentSearchLocaleID):
+ (WTF::getTextBreakLocale):
+ (WTF::currentTextBreakLocaleID):
+ * wtf/text/win/TextBreakIteratorInternalICUWin.cpp: Renamed from Source/WebCore/platform/text/win/TextBreakIteratorInternalICUWin.cpp.
+ (WebCore::currentSearchLocaleID):
+ (WebCore::currentTextBreakLocaleID):
+
2016-07-08 Commit Queue <commit-queue@webkit.org>
Unreviewed, rolling out r202799.
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--- /dev/null
+/*
+******************************************************************************
+* Copyright (C) 1996-2013, International Business Machines Corporation and others.
+* All Rights Reserved.
+******************************************************************************
+*/
+
+#ifndef UBRK_H
+#define UBRK_H
+
+#include "unicode/utypes.h"
+#include "unicode/uloc.h"
+#include "unicode/utext.h"
+#include "unicode/localpointer.h"
+
+/**
+ * A text-break iterator.
+ * For usage in C programs.
+ */
+#ifndef UBRK_TYPEDEF_UBREAK_ITERATOR
+# define UBRK_TYPEDEF_UBREAK_ITERATOR
+ /**
+ * Opaque type representing an ICU Break iterator object.
+ * @stable ICU 2.0
+ */
+ typedef struct UBreakIterator UBreakIterator;
+#endif
+
+#if !UCONFIG_NO_BREAK_ITERATION
+
+#include "unicode/parseerr.h"
+
+/**
+ * \file
+ * \brief C API: BreakIterator
+ *
+ * <h2> BreakIterator C API </h2>
+ *
+ * The BreakIterator C API defines methods for finding the location
+ * of boundaries in text. Pointer to a UBreakIterator maintain a
+ * current position and scan over text returning the index of characters
+ * where boundaries occur.
+ * <p>
+ * Line boundary analysis determines where a text string can be broken
+ * when line-wrapping. The mechanism correctly handles punctuation and
+ * hyphenated words.
+ * <p>
+ * Sentence boundary analysis allows selection with correct
+ * interpretation of periods within numbers and abbreviations, and
+ * trailing punctuation marks such as quotation marks and parentheses.
+ * <p>
+ * Word boundary analysis is used by search and replace functions, as
+ * well as within text editing applications that allow the user to
+ * select words with a double click. Word selection provides correct
+ * interpretation of punctuation marks within and following
+ * words. Characters that are not part of a word, such as symbols or
+ * punctuation marks, have word-breaks on both sides.
+ * <p>
+ * Character boundary analysis identifies the boundaries of
+ * "Extended Grapheme Clusters", which are groupings of codepoints
+ * that should be treated as character-like units for many text operations.
+ * Please see Unicode Standard Annex #29, Unicode Text Segmentation,
+ * http://www.unicode.org/reports/tr29/ for additional information
+ * on grapheme clusters and guidelines on their use.
+ * <p>
+ * Title boundary analysis locates all positions,
+ * typically starts of words, that should be set to Title Case
+ * when title casing the text.
+ * <p>
+ * The text boundary positions are found according to the rules
+ * described in Unicode Standard Annex #29, Text Boundaries, and
+ * Unicode Standard Annex #14, Line Breaking Properties. These
+ * are available at http://www.unicode.org/reports/tr14/ and
+ * http://www.unicode.org/reports/tr29/.
+ * <p>
+ * In addition to the plain C API defined in this header file, an
+ * object oriented C++ API with equivalent functionality is defined in the
+ * file brkiter.h.
+ * <p>
+ * Code snippets illustrating the use of the Break Iterator APIs
+ * are available in the ICU User Guide,
+ * http://icu-project.org/userguide/boundaryAnalysis.html
+ * and in the sample program icu/source/samples/break/break.cpp
+ */
+
+/** The possible types of text boundaries. @stable ICU 2.0 */
+typedef enum UBreakIteratorType {
+ /** Character breaks @stable ICU 2.0 */
+ UBRK_CHARACTER = 0,
+ /** Word breaks @stable ICU 2.0 */
+ UBRK_WORD = 1,
+ /** Line breaks @stable ICU 2.0 */
+ UBRK_LINE = 2,
+ /** Sentence breaks @stable ICU 2.0 */
+ UBRK_SENTENCE = 3,
+
+#ifndef U_HIDE_DEPRECATED_API
+ /**
+ * Title Case breaks
+ * The iterator created using this type locates title boundaries as described for
+ * Unicode 3.2 only. For Unicode 4.0 and above title boundary iteration,
+ * please use Word Boundary iterator.
+ *
+ * @deprecated ICU 2.8 Use the word break iterator for titlecasing for Unicode 4 and later.
+ */
+ UBRK_TITLE = 4,
+#endif /* U_HIDE_DEPRECATED_API */
+ UBRK_COUNT = 5
+} UBreakIteratorType;
+
+/** Value indicating all text boundaries have been returned.
+ * @stable ICU 2.0
+ */
+#define UBRK_DONE ((int32_t) -1)
+
+
+/**
+ * Enum constants for the word break tags returned by
+ * getRuleStatus(). A range of values is defined for each category of
+ * word, to allow for further subdivisions of a category in future releases.
+ * Applications should check for tag values falling within the range, rather
+ * than for single individual values.
+ * @stable ICU 2.2
+*/
+typedef enum UWordBreak {
+ /** Tag value for "words" that do not fit into any of other categories.
+ * Includes spaces and most punctuation. */
+ UBRK_WORD_NONE = 0,
+ /** Upper bound for tags for uncategorized words. */
+ UBRK_WORD_NONE_LIMIT = 100,
+ /** Tag value for words that appear to be numbers, lower limit. */
+ UBRK_WORD_NUMBER = 100,
+ /** Tag value for words that appear to be numbers, upper limit. */
+ UBRK_WORD_NUMBER_LIMIT = 200,
+ /** Tag value for words that contain letters, excluding
+ * hiragana, katakana or ideographic characters, lower limit. */
+ UBRK_WORD_LETTER = 200,
+ /** Tag value for words containing letters, upper limit */
+ UBRK_WORD_LETTER_LIMIT = 300,
+ /** Tag value for words containing kana characters, lower limit */
+ UBRK_WORD_KANA = 300,
+ /** Tag value for words containing kana characters, upper limit */
+ UBRK_WORD_KANA_LIMIT = 400,
+ /** Tag value for words containing ideographic characters, lower limit */
+ UBRK_WORD_IDEO = 400,
+ /** Tag value for words containing ideographic characters, upper limit */
+ UBRK_WORD_IDEO_LIMIT = 500
+} UWordBreak;
+
+/**
+ * Enum constants for the line break tags returned by getRuleStatus().
+ * A range of values is defined for each category of
+ * word, to allow for further subdivisions of a category in future releases.
+ * Applications should check for tag values falling within the range, rather
+ * than for single individual values.
+ * @stable ICU 2.8
+*/
+typedef enum ULineBreakTag {
+ /** Tag value for soft line breaks, positions at which a line break
+ * is acceptable but not required */
+ UBRK_LINE_SOFT = 0,
+ /** Upper bound for soft line breaks. */
+ UBRK_LINE_SOFT_LIMIT = 100,
+ /** Tag value for a hard, or mandatory line break */
+ UBRK_LINE_HARD = 100,
+ /** Upper bound for hard line breaks. */
+ UBRK_LINE_HARD_LIMIT = 200
+} ULineBreakTag;
+
+
+
+/**
+ * Enum constants for the sentence break tags returned by getRuleStatus().
+ * A range of values is defined for each category of
+ * sentence, to allow for further subdivisions of a category in future releases.
+ * Applications should check for tag values falling within the range, rather
+ * than for single individual values.
+ * @stable ICU 2.8
+*/
+typedef enum USentenceBreakTag {
+ /** Tag value for for sentences ending with a sentence terminator
+ * ('.', '?', '!', etc.) character, possibly followed by a
+ * hard separator (CR, LF, PS, etc.)
+ */
+ UBRK_SENTENCE_TERM = 0,
+ /** Upper bound for tags for sentences ended by sentence terminators. */
+ UBRK_SENTENCE_TERM_LIMIT = 100,
+ /** Tag value for for sentences that do not contain an ending
+ * sentence terminator ('.', '?', '!', etc.) character, but
+ * are ended only by a hard separator (CR, LF, PS, etc.) or end of input.
+ */
+ UBRK_SENTENCE_SEP = 100,
+ /** Upper bound for tags for sentences ended by a separator. */
+ UBRK_SENTENCE_SEP_LIMIT = 200
+ /** Tag value for a hard, or mandatory line break */
+} USentenceBreakTag;
+
+
+/**
+ * Open a new UBreakIterator for locating text boundaries for a specified locale.
+ * A UBreakIterator may be used for detecting character, line, word,
+ * and sentence breaks in text.
+ * @param type The type of UBreakIterator to open: one of UBRK_CHARACTER, UBRK_WORD,
+ * UBRK_LINE, UBRK_SENTENCE
+ * @param locale The locale specifying the text-breaking conventions.
+ * @param text The text to be iterated over.
+ * @param textLength The number of characters in text, or -1 if null-terminated.
+ * @param status A UErrorCode to receive any errors.
+ * @return A UBreakIterator for the specified locale.
+ * @see ubrk_openRules
+ * @stable ICU 2.0
+ */
+U_STABLE UBreakIterator* U_EXPORT2
+ubrk_open(UBreakIteratorType type,
+ const char *locale,
+ const UChar *text,
+ int32_t textLength,
+ UErrorCode *status);
+
+/**
+ * Open a new UBreakIterator for locating text boundaries using specified breaking rules.
+ * The rule syntax is ... (TBD)
+ * @param rules A set of rules specifying the text breaking conventions.
+ * @param rulesLength The number of characters in rules, or -1 if null-terminated.
+ * @param text The text to be iterated over. May be null, in which case ubrk_setText() is
+ * used to specify the text to be iterated.
+ * @param textLength The number of characters in text, or -1 if null-terminated.
+ * @param parseErr Receives position and context information for any syntax errors
+ * detected while parsing the rules.
+ * @param status A UErrorCode to receive any errors.
+ * @return A UBreakIterator for the specified rules.
+ * @see ubrk_open
+ * @stable ICU 2.2
+ */
+U_STABLE UBreakIterator* U_EXPORT2
+ubrk_openRules(const UChar *rules,
+ int32_t rulesLength,
+ const UChar *text,
+ int32_t textLength,
+ UParseError *parseErr,
+ UErrorCode *status);
+
+/**
+ * Thread safe cloning operation
+ * @param bi iterator to be cloned
+ * @param stackBuffer <em>Deprecated functionality as of ICU 52, use NULL.</em><br>
+ * user allocated space for the new clone. If NULL new memory will be allocated.
+ * If buffer is not large enough, new memory will be allocated.
+ * Clients can use the U_BRK_SAFECLONE_BUFFERSIZE.
+ * @param pBufferSize <em>Deprecated functionality as of ICU 52, use NULL or 1.</em><br>
+ * pointer to size of allocated space.
+ * If *pBufferSize == 0, a sufficient size for use in cloning will
+ * be returned ('pre-flighting')
+ * If *pBufferSize is not enough for a stack-based safe clone,
+ * new memory will be allocated.
+ * @param status to indicate whether the operation went on smoothly or there were errors
+ * An informational status value, U_SAFECLONE_ALLOCATED_ERROR, is used if any allocations were necessary.
+ * @return pointer to the new clone
+ * @stable ICU 2.0
+ */
+U_STABLE UBreakIterator * U_EXPORT2
+ubrk_safeClone(
+ const UBreakIterator *bi,
+ void *stackBuffer,
+ int32_t *pBufferSize,
+ UErrorCode *status);
+
+#ifndef U_HIDE_DEPRECATED_API
+
+/**
+ * A recommended size (in bytes) for the memory buffer to be passed to ubrk_saveClone().
+ * @deprecated ICU 52. Do not rely on ubrk_safeClone() cloning into any provided buffer.
+ */
+#define U_BRK_SAFECLONE_BUFFERSIZE 1
+
+#endif /* U_HIDE_DEPRECATED_API */
+
+/**
+* Close a UBreakIterator.
+* Once closed, a UBreakIterator may no longer be used.
+* @param bi The break iterator to close.
+ * @stable ICU 2.0
+*/
+U_STABLE void U_EXPORT2
+ubrk_close(UBreakIterator *bi);
+
+#if U_SHOW_CPLUSPLUS_API
+
+U_NAMESPACE_BEGIN
+
+/**
+ * \class LocalUBreakIteratorPointer
+ * "Smart pointer" class, closes a UBreakIterator via ubrk_close().
+ * For most methods see the LocalPointerBase base class.
+ *
+ * @see LocalPointerBase
+ * @see LocalPointer
+ * @stable ICU 4.4
+ */
+U_DEFINE_LOCAL_OPEN_POINTER(LocalUBreakIteratorPointer, UBreakIterator, ubrk_close);
+
+U_NAMESPACE_END
+
+#endif
+
+/**
+ * Sets an existing iterator to point to a new piece of text
+ * @param bi The iterator to use
+ * @param text The text to be set
+ * @param textLength The length of the text
+ * @param status The error code
+ * @stable ICU 2.0
+ */
+U_STABLE void U_EXPORT2
+ubrk_setText(UBreakIterator* bi,
+ const UChar* text,
+ int32_t textLength,
+ UErrorCode* status);
+
+
+/**
+ * Sets an existing iterator to point to a new piece of text.
+ *
+ * All index positions returned by break iterator functions are
+ * native indices from the UText. For example, when breaking UTF-8
+ * encoded text, the break positions returned by \ref ubrk_next, \ref ubrk_previous, etc.
+ * will be UTF-8 string indices, not UTF-16 positions.
+ *
+ * @param bi The iterator to use
+ * @param text The text to be set.
+ * This function makes a shallow clone of the supplied UText. This means
+ * that the caller is free to immediately close or otherwise reuse the
+ * UText that was passed as a parameter, but that the underlying text itself
+ * must not be altered while being referenced by the break iterator.
+ * @param status The error code
+ * @stable ICU 3.4
+ */
+U_STABLE void U_EXPORT2
+ubrk_setUText(UBreakIterator* bi,
+ UText* text,
+ UErrorCode* status);
+
+
+
+/**
+ * Determine the most recently-returned text boundary.
+ *
+ * @param bi The break iterator to use.
+ * @return The character index most recently returned by \ref ubrk_next, \ref ubrk_previous,
+ * \ref ubrk_first, or \ref ubrk_last.
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_current(const UBreakIterator *bi);
+
+/**
+ * Advance the iterator to the boundary following the current boundary.
+ *
+ * @param bi The break iterator to use.
+ * @return The character index of the next text boundary, or UBRK_DONE
+ * if all text boundaries have been returned.
+ * @see ubrk_previous
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_next(UBreakIterator *bi);
+
+/**
+ * Set the iterator position to the boundary preceding the current boundary.
+ *
+ * @param bi The break iterator to use.
+ * @return The character index of the preceding text boundary, or UBRK_DONE
+ * if all text boundaries have been returned.
+ * @see ubrk_next
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_previous(UBreakIterator *bi);
+
+/**
+ * Set the iterator position to the index of the first character in the text being scanned.
+ * This is not always the same as index 0 of the text.
+ * @param bi The break iterator to use.
+ * @return The character index of the first character in the text being scanned.
+ * @see ubrk_last
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_first(UBreakIterator *bi);
+
+/**
+ * Set the iterator position to the index immediately <EM>beyond</EM> the last character in the text being scanned.
+ * This is not the same as the last character.
+ * @param bi The break iterator to use.
+ * @return The character offset immediately <EM>beyond</EM> the last character in the
+ * text being scanned.
+ * @see ubrk_first
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_last(UBreakIterator *bi);
+
+/**
+ * Set the iterator position to the first boundary preceding the specified offset.
+ * The new position is always smaller than offset, or UBRK_DONE.
+ * @param bi The break iterator to use.
+ * @param offset The offset to begin scanning.
+ * @return The text boundary preceding offset, or UBRK_DONE.
+ * @see ubrk_following
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_preceding(UBreakIterator *bi,
+ int32_t offset);
+
+/**
+ * Advance the iterator to the first boundary following the specified offset.
+ * The value returned is always greater than offset, or UBRK_DONE.
+ * @param bi The break iterator to use.
+ * @param offset The offset to begin scanning.
+ * @return The text boundary following offset, or UBRK_DONE.
+ * @see ubrk_preceding
+ * @stable ICU 2.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_following(UBreakIterator *bi,
+ int32_t offset);
+
+/**
+* Get a locale for which text breaking information is available.
+* A UBreakIterator in a locale returned by this function will perform the correct
+* text breaking for the locale.
+* @param index The index of the desired locale.
+* @return A locale for which number text breaking information is available, or 0 if none.
+* @see ubrk_countAvailable
+* @stable ICU 2.0
+*/
+U_STABLE const char* U_EXPORT2
+ubrk_getAvailable(int32_t index);
+
+/**
+* Determine how many locales have text breaking information available.
+* This function is most useful as determining the loop ending condition for
+* calls to \ref ubrk_getAvailable.
+* @return The number of locales for which text breaking information is available.
+* @see ubrk_getAvailable
+* @stable ICU 2.0
+*/
+U_STABLE int32_t U_EXPORT2
+ubrk_countAvailable(void);
+
+
+/**
+* Returns true if the specfied position is a boundary position. As a side
+* effect, leaves the iterator pointing to the first boundary position at
+* or after "offset".
+* @param bi The break iterator to use.
+* @param offset the offset to check.
+* @return True if "offset" is a boundary position.
+* @stable ICU 2.0
+*/
+U_STABLE UBool U_EXPORT2
+ubrk_isBoundary(UBreakIterator *bi, int32_t offset);
+
+/**
+ * Return the status from the break rule that determined the most recently
+ * returned break position. The values appear in the rule source
+ * within brackets, {123}, for example. For rules that do not specify a
+ * status, a default value of 0 is returned.
+ * <p>
+ * For word break iterators, the possible values are defined in enum UWordBreak.
+ * @stable ICU 2.2
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_getRuleStatus(UBreakIterator *bi);
+
+/**
+ * Get the statuses from the break rules that determined the most recently
+ * returned break position. The values appear in the rule source
+ * within brackets, {123}, for example. The default status value for rules
+ * that do not explicitly provide one is zero.
+ * <p>
+ * For word break iterators, the possible values are defined in enum UWordBreak.
+ * @param bi The break iterator to use
+ * @param fillInVec an array to be filled in with the status values.
+ * @param capacity the length of the supplied vector. A length of zero causes
+ * the function to return the number of status values, in the
+ * normal way, without attemtping to store any values.
+ * @param status receives error codes.
+ * @return The number of rule status values from rules that determined
+ * the most recent boundary returned by the break iterator.
+ * @stable ICU 3.0
+ */
+U_STABLE int32_t U_EXPORT2
+ubrk_getRuleStatusVec(UBreakIterator *bi, int32_t *fillInVec, int32_t capacity, UErrorCode *status);
+
+/**
+ * Return the locale of the break iterator. You can choose between the valid and
+ * the actual locale.
+ * @param bi break iterator
+ * @param type locale type (valid or actual)
+ * @param status error code
+ * @return locale string
+ * @stable ICU 2.8
+ */
+U_STABLE const char* U_EXPORT2
+ubrk_getLocaleByType(const UBreakIterator *bi, ULocDataLocaleType type, UErrorCode* status);
+
+/**
+ * Set the subject text string upon which the break iterator is operating
+ * without changing any other aspect of the state.
+ * The new and previous text strings must have the same content.
+ *
+ * This function is intended for use in environments where ICU is operating on
+ * strings that may move around in memory. It provides a mechanism for notifying
+ * ICU that the string has been relocated, and providing a new UText to access the
+ * string in its new position.
+ *
+ * Note that the break iterator never copies the underlying text
+ * of a string being processed, but always operates directly on the original text
+ * provided by the user. Refreshing simply drops the references to the old text
+ * and replaces them with references to the new.
+ *
+ * Caution: this function is normally used only by very specialized
+ * system-level code. One example use case is with garbage collection
+ * that moves the text in memory.
+ *
+ * @param bi The break iterator.
+ * @param text The new (moved) text string.
+ * @param status Receives errors detected by this function.
+ *
+ * @stable ICU 49
+ */
+U_STABLE void U_EXPORT2
+ubrk_refreshUText(UBreakIterator *bi,
+ UText *text,
+ UErrorCode *status);
+
+#endif /* #if !UCONFIG_NO_BREAK_ITERATION */
+
+#endif
--- /dev/null
+/*
+*******************************************************************************
+*
+* Copyright (C) 2004-2012, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+*******************************************************************************
+* file name: utext.h
+* encoding: US-ASCII
+* tab size: 8 (not used)
+* indentation:4
+*
+* created on: 2004oct06
+* created by: Markus W. Scherer
+*/
+
+#ifndef __UTEXT_H__
+#define __UTEXT_H__
+
+/**
+ * \file
+ * \brief C API: Abstract Unicode Text API
+ *
+ * The Text Access API provides a means to allow text that is stored in alternative
+ * formats to work with ICU services. ICU normally operates on text that is
+ * stored in UTF-16 format, in (UChar *) arrays for the C APIs or as type
+ * UnicodeString for C++ APIs.
+ *
+ * ICU Text Access allows other formats, such as UTF-8 or non-contiguous
+ * UTF-16 strings, to be placed in a UText wrapper and then passed to ICU services.
+ *
+ * There are three general classes of usage for UText:
+ *
+ * Application Level Use. This is the simplest usage - applications would
+ * use one of the utext_open() functions on their input text, and pass
+ * the resulting UText to the desired ICU service.
+ *
+ * Second is usage in ICU Services, such as break iteration, that will need to
+ * operate on input presented to them as a UText. These implementations
+ * will need to use the iteration and related UText functions to gain
+ * access to the actual text.
+ *
+ * The third class of UText users are "text providers." These are the
+ * UText implementations for the various text storage formats. An application
+ * or system with a unique text storage format can implement a set of
+ * UText provider functions for that format, which will then allow
+ * ICU services to operate on that format.
+ *
+ *
+ * <em>Iterating over text</em>
+ *
+ * Here is sample code for a forward iteration over the contents of a UText
+ *
+ * \code
+ * UChar32 c;
+ * UText *ut = whatever();
+ *
+ * for (c=utext_next32From(ut, 0); c>=0; c=utext_next32(ut)) {
+ * // do whatever with the codepoint c here.
+ * }
+ * \endcode
+ *
+ * And here is similar code to iterate in the reverse direction, from the end
+ * of the text towards the beginning.
+ *
+ * \code
+ * UChar32 c;
+ * UText *ut = whatever();
+ * int textLength = utext_nativeLength(ut);
+ * for (c=utext_previous32From(ut, textLength); c>=0; c=utext_previous32(ut)) {
+ * // do whatever with the codepoint c here.
+ * }
+ * \endcode
+ *
+ * <em>Characters and Indexing</em>
+ *
+ * Indexing into text by UText functions is nearly always in terms of the native
+ * indexing of the underlying text storage. The storage format could be UTF-8
+ * or UTF-32, for example. When coding to the UText access API, no assumptions
+ * can be made regarding the size of characters, or how far an index
+ * may move when iterating between characters.
+ *
+ * All indices supplied to UText functions are pinned to the length of the
+ * text. An out-of-bounds index is not considered to be an error, but is
+ * adjusted to be in the range 0 <= index <= length of input text.
+ *
+ *
+ * When an index position is returned from a UText function, it will be
+ * a native index to the underlying text. In the case of multi-unit characters,
+ * it will always refer to the first position of the character,
+ * never to the interior. This is essentially the same thing as saying that
+ * a returned index will always point to a boundary between characters.
+ *
+ * When a native index is supplied to a UText function, all indices that
+ * refer to any part of a multi-unit character representation are considered
+ * to be equivalent. In the case of multi-unit characters, an incoming index
+ * will be logically normalized to refer to the start of the character.
+ *
+ * It is possible to test whether a native index is on a code point boundary
+ * by doing a utext_setNativeIndex() followed by a utext_getNativeIndex().
+ * If the index is returned unchanged, it was on a code point boundary. If
+ * an adjusted index is returned, the original index referred to the
+ * interior of a character.
+ *
+ * <em>Conventions for calling UText functions</em>
+ *
+ * Most UText access functions have as their first parameter a (UText *) pointer,
+ * which specifies the UText to be used. Unless otherwise noted, the
+ * pointer must refer to a valid, open UText. Attempting to
+ * use a closed UText or passing a NULL pointer is a programming error and
+ * will produce undefined results or NULL pointer exceptions.
+ *
+ * The UText_Open family of functions can either open an existing (closed)
+ * UText, or heap allocate a new UText. Here is sample code for creating
+ * a stack-allocated UText.
+ *
+ * \code
+ * char *s = whatever(); // A utf-8 string
+ * U_ErrorCode status = U_ZERO_ERROR;
+ * UText ut = UTEXT_INITIALIZER;
+ * utext_openUTF8(ut, s, -1, &status);
+ * if (U_FAILURE(status)) {
+ * // error handling
+ * } else {
+ * // work with the UText
+ * }
+ * \endcode
+ *
+ * Any existing UText passed to an open function _must_ have been initialized,
+ * either by the UTEXT_INITIALIZER, or by having been originally heap-allocated
+ * by an open function. Passing NULL will cause the open function to
+ * heap-allocate and fully initialize a new UText.
+ *
+ */
+
+
+
+#include "unicode/utypes.h"
+#include "unicode/uchar.h"
+#if U_SHOW_CPLUSPLUS_API
+#include "unicode/localpointer.h"
+#include "unicode/rep.h"
+#include "unicode/unistr.h"
+#include "unicode/chariter.h"
+#endif
+
+
+U_CDECL_BEGIN
+
+struct UText;
+typedef struct UText UText; /**< C typedef for struct UText. @stable ICU 3.6 */
+
+
+/***************************************************************************************
+ *
+ * C Functions for creating UText wrappers around various kinds of text strings.
+ *
+ ****************************************************************************************/
+
+
+/**
+ * Close function for UText instances.
+ * Cleans up, releases any resources being held by an open UText.
+ * <p>
+ * If the UText was originally allocated by one of the utext_open functions,
+ * the storage associated with the utext will also be freed.
+ * If the UText storage originated with the application, as it would with
+ * a local or static instance, the storage will not be deleted.
+ *
+ * An open UText can be reset to refer to new string by using one of the utext_open()
+ * functions without first closing the UText.
+ *
+ * @param ut The UText to be closed.
+ * @return NULL if the UText struct was deleted by the close. If the UText struct
+ * was originally provided by the caller to the open function, it is
+ * returned by this function, and may be safely used again in
+ * a subsequent utext_open.
+ *
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_close(UText *ut);
+
+#if U_SHOW_CPLUSPLUS_API
+
+U_NAMESPACE_BEGIN
+
+/**
+ * \class LocalUTextPointer
+ * "Smart pointer" class, closes a UText via utext_close().
+ * For most methods see the LocalPointerBase base class.
+ *
+ * @see LocalPointerBase
+ * @see LocalPointer
+ * @stable ICU 4.4
+ */
+U_DEFINE_LOCAL_OPEN_POINTER(LocalUTextPointer, UText, utext_close);
+
+U_NAMESPACE_END
+
+#endif
+
+/**
+ * Open a read-only UText implementation for UTF-8 strings.
+ *
+ * \htmlonly
+ * Any invalid UTF-8 in the input will be handled in this way:
+ * a sequence of bytes that has the form of a truncated, but otherwise valid,
+ * UTF-8 sequence will be replaced by a single unicode replacement character, \uFFFD.
+ * Any other illegal bytes will each be replaced by a \uFFFD.
+ * \endhtmlonly
+ *
+ * @param ut Pointer to a UText struct. If NULL, a new UText will be created.
+ * If non-NULL, must refer to an initialized UText struct, which will then
+ * be reset to reference the specified UTF-8 string.
+ * @param s A UTF-8 string. Must not be NULL.
+ * @param length The length of the UTF-8 string in bytes, or -1 if the string is
+ * zero terminated.
+ * @param status Errors are returned here.
+ * @return A pointer to the UText. If a pre-allocated UText was provided, it
+ * will always be used and returned.
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_openUTF8(UText *ut, const char *s, int64_t length, UErrorCode *status);
+
+
+/**
+ * Open a read-only UText for UChar * string.
+ *
+ * @param ut Pointer to a UText struct. If NULL, a new UText will be created.
+ * If non-NULL, must refer to an initialized UText struct, which will then
+ * be reset to reference the specified UChar string.
+ * @param s A UChar (UTF-16) string
+ * @param length The number of UChars in the input string, or -1 if the string is
+ * zero terminated.
+ * @param status Errors are returned here.
+ * @return A pointer to the UText. If a pre-allocated UText was provided, it
+ * will always be used and returned.
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_openUChars(UText *ut, const UChar *s, int64_t length, UErrorCode *status);
+
+
+#if U_SHOW_CPLUSPLUS_API
+/**
+ * Open a writable UText for a non-const UnicodeString.
+ *
+ * @param ut Pointer to a UText struct. If NULL, a new UText will be created.
+ * If non-NULL, must refer to an initialized UText struct, which will then
+ * be reset to reference the specified input string.
+ * @param s A UnicodeString.
+ * @param status Errors are returned here.
+ * @return Pointer to the UText. If a UText was supplied as input, this
+ * will always be used and returned.
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_openUnicodeString(UText *ut, icu::UnicodeString *s, UErrorCode *status);
+
+
+/**
+ * Open a UText for a const UnicodeString. The resulting UText will not be writable.
+ *
+ * @param ut Pointer to a UText struct. If NULL, a new UText will be created.
+ * If non-NULL, must refer to an initialized UText struct, which will then
+ * be reset to reference the specified input string.
+ * @param s A const UnicodeString to be wrapped.
+ * @param status Errors are returned here.
+ * @return Pointer to the UText. If a UText was supplied as input, this
+ * will always be used and returned.
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_openConstUnicodeString(UText *ut, const icu::UnicodeString *s, UErrorCode *status);
+
+
+/**
+ * Open a writable UText implementation for an ICU Replaceable object.
+ * @param ut Pointer to a UText struct. If NULL, a new UText will be created.
+ * If non-NULL, must refer to an already existing UText, which will then
+ * be reset to reference the specified replaceable text.
+ * @param rep A Replaceable text object.
+ * @param status Errors are returned here.
+ * @return Pointer to the UText. If a UText was supplied as input, this
+ * will always be used and returned.
+ * @see Replaceable
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_openReplaceable(UText *ut, icu::Replaceable *rep, UErrorCode *status);
+
+/**
+ * Open a UText implementation over an ICU CharacterIterator.
+ * @param ut Pointer to a UText struct. If NULL, a new UText will be created.
+ * If non-NULL, must refer to an already existing UText, which will then
+ * be reset to reference the specified replaceable text.
+ * @param ci A Character Iterator.
+ * @param status Errors are returned here.
+ * @return Pointer to the UText. If a UText was supplied as input, this
+ * will always be used and returned.
+ * @see Replaceable
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_openCharacterIterator(UText *ut, icu::CharacterIterator *ci, UErrorCode *status);
+
+#endif
+
+
+/**
+ * Clone a UText. This is much like opening a UText where the source text is itself
+ * another UText.
+ *
+ * A deep clone will copy both the UText data structures and the underlying text.
+ * The original and cloned UText will operate completely independently; modifications
+ * made to the text in one will not affect the other. Text providers are not
+ * required to support deep clones. The user of clone() must check the status return
+ * and be prepared to handle failures.
+ *
+ * The standard UText implementations for UTF8, UChar *, UnicodeString and
+ * Replaceable all support deep cloning.
+ *
+ * The UText returned from a deep clone will be writable, assuming that the text
+ * provider is able to support writing, even if the source UText had been made
+ * non-writable by means of UText_freeze().
+ *
+ * A shallow clone replicates only the UText data structures; it does not make
+ * a copy of the underlying text. Shallow clones can be used as an efficient way to
+ * have multiple iterators active in a single text string that is not being
+ * modified.
+ *
+ * A shallow clone operation will not fail, barring truly exceptional conditions such
+ * as memory allocation failures.
+ *
+ * Shallow UText clones should be avoided if the UText functions that modify the
+ * text are expected to be used, either on the original or the cloned UText.
+ * Any such modifications can cause unpredictable behavior. Read Only
+ * shallow clones provide some protection against errors of this type by
+ * disabling text modification via the cloned UText.
+ *
+ * A shallow clone made with the readOnly parameter == FALSE will preserve the
+ * utext_isWritable() state of the source object. Note, however, that
+ * write operations must be avoided while more than one UText exists that refer
+ * to the same underlying text.
+ *
+ * A UText and its clone may be safely concurrently accessed by separate threads.
+ * This is true for read access only with shallow clones, and for both read and
+ * write access with deep clones.
+ * It is the responsibility of the Text Provider to ensure that this thread safety
+ * constraint is met.
+ *
+ * @param dest A UText struct to be filled in with the result of the clone operation,
+ * or NULL if the clone function should heap-allocate a new UText struct.
+ * If non-NULL, must refer to an already existing UText, which will then
+ * be reset to become the clone.
+ * @param src The UText to be cloned.
+ * @param deep TRUE to request a deep clone, FALSE for a shallow clone.
+ * @param readOnly TRUE to request that the cloned UText have read only access to the
+ * underlying text.
+
+ * @param status Errors are returned here. For deep clones, U_UNSUPPORTED_ERROR
+ * will be returned if the text provider is unable to clone the
+ * original text.
+ * @return The newly created clone, or NULL if the clone operation failed.
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_clone(UText *dest, const UText *src, UBool deep, UBool readOnly, UErrorCode *status);
+
+
+/**
+ * Compare two UText objects for equality.
+ * UTexts are equal if they are iterating over the same text, and
+ * have the same iteration position within the text.
+ * If either or both of the parameters are NULL, the comparison is FALSE.
+ *
+ * @param a The first of the two UTexts to compare.
+ * @param b The other UText to be compared.
+ * @return TRUE if the two UTexts are equal.
+ * @stable ICU 3.6
+ */
+U_STABLE UBool U_EXPORT2
+utext_equals(const UText *a, const UText *b);
+
+
+/*****************************************************************************
+ *
+ * Functions to work with the text represeted by a UText wrapper
+ *
+ *****************************************************************************/
+
+/**
+ * Get the length of the text. Depending on the characteristics
+ * of the underlying text representation, this may be expensive.
+ * @see utext_isLengthExpensive()
+ *
+ *
+ * @param ut the text to be accessed.
+ * @return the length of the text, expressed in native units.
+ *
+ * @stable ICU 3.4
+ */
+U_STABLE int64_t U_EXPORT2
+utext_nativeLength(UText *ut);
+
+/**
+ * Return TRUE if calculating the length of the text could be expensive.
+ * Finding the length of NUL terminated strings is considered to be expensive.
+ *
+ * Note that the value of this function may change
+ * as the result of other operations on a UText.
+ * Once the length of a string has been discovered, it will no longer
+ * be expensive to report it.
+ *
+ * @param ut the text to be accessed.
+ * @return TRUE if determining the length of the text could be time consuming.
+ * @stable ICU 3.4
+ */
+U_STABLE UBool U_EXPORT2
+utext_isLengthExpensive(const UText *ut);
+
+/**
+ * Returns the code point at the requested index,
+ * or U_SENTINEL (-1) if it is out of bounds.
+ *
+ * If the specified index points to the interior of a multi-unit
+ * character - one of the trail bytes of a UTF-8 sequence, for example -
+ * the complete code point will be returned.
+ *
+ * The iteration position will be set to the start of the returned code point.
+ *
+ * This function is roughly equivalent to the the sequence
+ * utext_setNativeIndex(index);
+ * utext_current32();
+ * (There is a subtle difference if the index is out of bounds by being less than zero -
+ * utext_setNativeIndex(negative value) sets the index to zero, after which utext_current()
+ * will return the char at zero. utext_char32At(negative index), on the other hand, will
+ * return the U_SENTINEL value of -1.)
+ *
+ * @param ut the text to be accessed
+ * @param nativeIndex the native index of the character to be accessed. If the index points
+ * to other than the first unit of a multi-unit character, it will be adjusted
+ * to the start of the character.
+ * @return the code point at the specified index.
+ * @stable ICU 3.4
+ */
+U_STABLE UChar32 U_EXPORT2
+utext_char32At(UText *ut, int64_t nativeIndex);
+
+
+/**
+ *
+ * Get the code point at the current iteration position,
+ * or U_SENTINEL (-1) if the iteration has reached the end of
+ * the input text.
+ *
+ * @param ut the text to be accessed.
+ * @return the Unicode code point at the current iterator position.
+ * @stable ICU 3.4
+ */
+U_STABLE UChar32 U_EXPORT2
+utext_current32(UText *ut);
+
+
+/**
+ * Get the code point at the current iteration position of the UText, and
+ * advance the position to the first index following the character.
+ *
+ * If the position is at the end of the text (the index following
+ * the last character, which is also the length of the text),
+ * return U_SENTINEL (-1) and do not advance the index.
+ *
+ * This is a post-increment operation.
+ *
+ * An inline macro version of this function, UTEXT_NEXT32(),
+ * is available for performance critical use.
+ *
+ * @param ut the text to be accessed.
+ * @return the Unicode code point at the iteration position.
+ * @see UTEXT_NEXT32
+ * @stable ICU 3.4
+ */
+U_STABLE UChar32 U_EXPORT2
+utext_next32(UText *ut);
+
+
+/**
+ * Move the iterator position to the character (code point) whose
+ * index precedes the current position, and return that character.
+ * This is a pre-decrement operation.
+ *
+ * If the initial position is at the start of the text (index of 0)
+ * return U_SENTINEL (-1), and leave the position unchanged.
+ *
+ * An inline macro version of this function, UTEXT_PREVIOUS32(),
+ * is available for performance critical use.
+ *
+ * @param ut the text to be accessed.
+ * @return the previous UChar32 code point, or U_SENTINEL (-1)
+ * if the iteration has reached the start of the text.
+ * @see UTEXT_PREVIOUS32
+ * @stable ICU 3.4
+ */
+U_STABLE UChar32 U_EXPORT2
+utext_previous32(UText *ut);
+
+
+/**
+ * Set the iteration index and return the code point at that index.
+ * Leave the iteration index at the start of the following code point.
+ *
+ * This function is the most efficient and convenient way to
+ * begin a forward iteration. The results are identical to the those
+ * from the sequence
+ * \code
+ * utext_setIndex();
+ * utext_next32();
+ * \endcode
+ *
+ * @param ut the text to be accessed.
+ * @param nativeIndex Iteration index, in the native units of the text provider.
+ * @return Code point which starts at or before index,
+ * or U_SENTINEL (-1) if it is out of bounds.
+ * @stable ICU 3.4
+ */
+U_STABLE UChar32 U_EXPORT2
+utext_next32From(UText *ut, int64_t nativeIndex);
+
+
+
+/**
+ * Set the iteration index, and return the code point preceding the
+ * one specified by the initial index. Leave the iteration position
+ * at the start of the returned code point.
+ *
+ * This function is the most efficient and convenient way to
+ * begin a backwards iteration.
+ *
+ * @param ut the text to be accessed.
+ * @param nativeIndex Iteration index in the native units of the text provider.
+ * @return Code point preceding the one at the initial index,
+ * or U_SENTINEL (-1) if it is out of bounds.
+ *
+ * @stable ICU 3.4
+ */
+U_STABLE UChar32 U_EXPORT2
+utext_previous32From(UText *ut, int64_t nativeIndex);
+
+/**
+ * Get the current iterator position, which can range from 0 to
+ * the length of the text.
+ * The position is a native index into the input text, in whatever format it
+ * may have (possibly UTF-8 for example), and may not always be the same as
+ * the corresponding UChar (UTF-16) index.
+ * The returned position will always be aligned to a code point boundary.
+ *
+ * @param ut the text to be accessed.
+ * @return the current index position, in the native units of the text provider.
+ * @stable ICU 3.4
+ */
+U_STABLE int64_t U_EXPORT2
+utext_getNativeIndex(const UText *ut);
+
+/**
+ * Set the current iteration position to the nearest code point
+ * boundary at or preceding the specified index.
+ * The index is in the native units of the original input text.
+ * If the index is out of range, it will be pinned to be within
+ * the range of the input text.
+ * <p>
+ * It will usually be more efficient to begin an iteration
+ * using the functions utext_next32From() or utext_previous32From()
+ * rather than setIndex().
+ * <p>
+ * Moving the index position to an adjacent character is best done
+ * with utext_next32(), utext_previous32() or utext_moveIndex32().
+ * Attempting to do direct arithmetic on the index position is
+ * complicated by the fact that the size (in native units) of a
+ * character depends on the underlying representation of the character
+ * (UTF-8, UTF-16, UTF-32, arbitrary codepage), and is not
+ * easily knowable.
+ *
+ * @param ut the text to be accessed.
+ * @param nativeIndex the native unit index of the new iteration position.
+ * @stable ICU 3.4
+ */
+U_STABLE void U_EXPORT2
+utext_setNativeIndex(UText *ut, int64_t nativeIndex);
+
+/**
+ * Move the iterator postion by delta code points. The number of code points
+ * is a signed number; a negative delta will move the iterator backwards,
+ * towards the start of the text.
+ * <p>
+ * The index is moved by <code>delta</code> code points
+ * forward or backward, but no further backward than to 0 and
+ * no further forward than to utext_nativeLength().
+ * The resulting index value will be in between 0 and length, inclusive.
+ *
+ * @param ut the text to be accessed.
+ * @param delta the signed number of code points to move the iteration position.
+ * @return TRUE if the position could be moved the requested number of positions while
+ * staying within the range [0 - text length].
+ * @stable ICU 3.4
+ */
+U_STABLE UBool U_EXPORT2
+utext_moveIndex32(UText *ut, int32_t delta);
+
+/**
+ * Get the native index of the character preceeding the current position.
+ * If the iteration position is already at the start of the text, zero
+ * is returned.
+ * The value returned is the same as that obtained from the following sequence,
+ * but without the side effect of changing the iteration position.
+ *
+ * \code
+ * UText *ut = whatever;
+ * ...
+ * utext_previous(ut)
+ * utext_getNativeIndex(ut);
+ * \endcode
+ *
+ * This function is most useful during forwards iteration, where it will get the
+ * native index of the character most recently returned from utext_next().
+ *
+ * @param ut the text to be accessed
+ * @return the native index of the character preceeding the current index position,
+ * or zero if the current position is at the start of the text.
+ * @stable ICU 3.6
+ */
+U_STABLE int64_t U_EXPORT2
+utext_getPreviousNativeIndex(UText *ut);
+
+
+/**
+ *
+ * Extract text from a UText into a UChar buffer. The range of text to be extracted
+ * is specified in the native indices of the UText provider. These may not necessarily
+ * be UTF-16 indices.
+ * <p>
+ * The size (number of 16 bit UChars) of the data to be extracted is returned. The
+ * full number of UChars is returned, even when the extracted text is truncated
+ * because the specified buffer size is too small.
+ * <p>
+ * The extracted string will (if you are a user) / must (if you are a text provider)
+ * be NUL-terminated if there is sufficient space in the destination buffer. This
+ * terminating NUL is not included in the returned length.
+ * <p>
+ * The iteration index is left at the position following the last extracted character.
+ *
+ * @param ut the UText from which to extract data.
+ * @param nativeStart the native index of the first character to extract.\
+ * If the specified index is out of range,
+ * it will be pinned to to be within 0 <= index <= textLength
+ * @param nativeLimit the native string index of the position following the last
+ * character to extract. If the specified index is out of range,
+ * it will be pinned to to be within 0 <= index <= textLength.
+ * nativeLimit must be >= nativeStart.
+ * @param dest the UChar (UTF-16) buffer into which the extracted text is placed
+ * @param destCapacity The size, in UChars, of the destination buffer. May be zero
+ * for precomputing the required size.
+ * @param status receives any error status.
+ * U_BUFFER_OVERFLOW_ERROR: the extracted text was truncated because the
+ * buffer was too small. Returns number of UChars for preflighting.
+ * @return Number of UChars in the data to be extracted. Does not include a trailing NUL.
+ *
+ * @stable ICU 3.4
+ */
+U_STABLE int32_t U_EXPORT2
+utext_extract(UText *ut,
+ int64_t nativeStart, int64_t nativeLimit,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *status);
+
+
+
+/************************************************************************************
+ *
+ * #define inline versions of selected performance-critical text access functions
+ * Caution: do not use auto increment++ or decrement-- expressions
+ * as parameters to these macros.
+ *
+ * For most use, where there is no extreme performance constraint, the
+ * normal, non-inline functions are a better choice. The resulting code
+ * will be smaller, and, if the need ever arises, easier to debug.
+ *
+ * These are implemented as #defines rather than real functions
+ * because there is no fully portable way to do inline functions in plain C.
+ *
+ ************************************************************************************/
+
+#ifndef U_HIDE_INTERNAL_API
+/**
+ * inline version of utext_current32(), for performance-critical situations.
+ *
+ * Get the code point at the current iteration position of the UText.
+ * Returns U_SENTINEL (-1) if the position is at the end of the
+ * text.
+ *
+ * @internal ICU 4.4 technology preview
+ */
+#define UTEXT_CURRENT32(ut) \
+ ((ut)->chunkOffset < (ut)->chunkLength && ((ut)->chunkContents)[(ut)->chunkOffset]<0xd800 ? \
+ ((ut)->chunkContents)[((ut)->chunkOffset)] : utext_current32(ut))
+#endif /* U_HIDE_INTERNAL_API */
+
+/**
+ * inline version of utext_next32(), for performance-critical situations.
+ *
+ * Get the code point at the current iteration position of the UText, and
+ * advance the position to the first index following the character.
+ * This is a post-increment operation.
+ * Returns U_SENTINEL (-1) if the position is at the end of the
+ * text.
+ *
+ * @stable ICU 3.4
+ */
+#define UTEXT_NEXT32(ut) \
+ ((ut)->chunkOffset < (ut)->chunkLength && ((ut)->chunkContents)[(ut)->chunkOffset]<0xd800 ? \
+ ((ut)->chunkContents)[((ut)->chunkOffset)++] : utext_next32(ut))
+
+/**
+ * inline version of utext_previous32(), for performance-critical situations.
+ *
+ * Move the iterator position to the character (code point) whose
+ * index precedes the current position, and return that character.
+ * This is a pre-decrement operation.
+ * Returns U_SENTINEL (-1) if the position is at the start of the text.
+ *
+ * @stable ICU 3.4
+ */
+#define UTEXT_PREVIOUS32(ut) \
+ ((ut)->chunkOffset > 0 && \
+ (ut)->chunkContents[(ut)->chunkOffset-1] < 0xd800 ? \
+ (ut)->chunkContents[--((ut)->chunkOffset)] : utext_previous32(ut))
+
+/**
+ * inline version of utext_getNativeIndex(), for performance-critical situations.
+ *
+ * Get the current iterator position, which can range from 0 to
+ * the length of the text.
+ * The position is a native index into the input text, in whatever format it
+ * may have (possibly UTF-8 for example), and may not always be the same as
+ * the corresponding UChar (UTF-16) index.
+ * The returned position will always be aligned to a code point boundary.
+ *
+ * @stable ICU 3.6
+ */
+#define UTEXT_GETNATIVEINDEX(ut) \
+ ((ut)->chunkOffset <= (ut)->nativeIndexingLimit? \
+ (ut)->chunkNativeStart+(ut)->chunkOffset : \
+ (ut)->pFuncs->mapOffsetToNative(ut))
+
+/**
+ * inline version of utext_setNativeIndex(), for performance-critical situations.
+ *
+ * Set the current iteration position to the nearest code point
+ * boundary at or preceding the specified index.
+ * The index is in the native units of the original input text.
+ * If the index is out of range, it will be pinned to be within
+ * the range of the input text.
+ *
+ * @stable ICU 3.8
+ */
+#define UTEXT_SETNATIVEINDEX(ut, ix) \
+ { int64_t __offset = (ix) - (ut)->chunkNativeStart; \
+ if (__offset>=0 && __offset<=(int64_t)(ut)->nativeIndexingLimit) { \
+ (ut)->chunkOffset=(int32_t)__offset; \
+ } else { \
+ utext_setNativeIndex((ut), (ix)); } }
+
+
+
+/************************************************************************************
+ *
+ * Functions related to writing or modifying the text.
+ * These will work only with modifiable UTexts. Attempting to
+ * modify a read-only UText will return an error status.
+ *
+ ************************************************************************************/
+
+
+/**
+ * Return TRUE if the text can be written (modified) with utext_replace() or
+ * utext_copy(). For the text to be writable, the text provider must
+ * be of a type that supports writing and the UText must not be frozen.
+ *
+ * Attempting to modify text when utext_isWriteable() is FALSE will fail -
+ * the text will not be modified, and an error will be returned from the function
+ * that attempted the modification.
+ *
+ * @param ut the UText to be tested.
+ * @return TRUE if the text is modifiable.
+ *
+ * @see utext_freeze()
+ * @see utext_replace()
+ * @see utext_copy()
+ * @stable ICU 3.4
+ *
+ */
+U_STABLE UBool U_EXPORT2
+utext_isWritable(const UText *ut);
+
+
+/**
+ * Test whether there is meta data associated with the text.
+ * @see Replaceable::hasMetaData()
+ *
+ * @param ut The UText to be tested
+ * @return TRUE if the underlying text includes meta data.
+ * @stable ICU 3.4
+ */
+U_STABLE UBool U_EXPORT2
+utext_hasMetaData(const UText *ut);
+
+
+/**
+ * Replace a range of the original text with a replacement text.
+ *
+ * Leaves the current iteration position at the position following the
+ * newly inserted replacement text.
+ *
+ * This function is only available on UText types that support writing,
+ * that is, ones where utext_isWritable() returns TRUE.
+ *
+ * When using this function, there should be only a single UText opened onto the
+ * underlying native text string. Behavior after a replace operation
+ * on a UText is undefined for any other additional UTexts that refer to the
+ * modified string.
+ *
+ * @param ut the UText representing the text to be operated on.
+ * @param nativeStart the native index of the start of the region to be replaced
+ * @param nativeLimit the native index of the character following the region to be replaced.
+ * @param replacementText pointer to the replacement text
+ * @param replacementLength length of the replacement text, or -1 if the text is NUL terminated.
+ * @param status receives any error status. Possible errors include
+ * U_NO_WRITE_PERMISSION
+ *
+ * @return The signed number of (native) storage units by which
+ * the length of the text expanded or contracted.
+ *
+ * @stable ICU 3.4
+ */
+U_STABLE int32_t U_EXPORT2
+utext_replace(UText *ut,
+ int64_t nativeStart, int64_t nativeLimit,
+ const UChar *replacementText, int32_t replacementLength,
+ UErrorCode *status);
+
+
+
+/**
+ *
+ * Copy or move a substring from one position to another within the text,
+ * while retaining any metadata associated with the text.
+ * This function is used to duplicate or reorder substrings.
+ * The destination index must not overlap the source range.
+ *
+ * The text to be copied or moved is inserted at destIndex;
+ * it does not replace or overwrite any existing text.
+ *
+ * The iteration position is left following the newly inserted text
+ * at the destination position.
+ *
+ * This function is only available on UText types that support writing,
+ * that is, ones where utext_isWritable() returns TRUE.
+ *
+ * When using this function, there should be only a single UText opened onto the
+ * underlying native text string. Behavior after a copy operation
+ * on a UText is undefined in any other additional UTexts that refer to the
+ * modified string.
+ *
+ * @param ut The UText representing the text to be operated on.
+ * @param nativeStart The native index of the start of the region to be copied or moved
+ * @param nativeLimit The native index of the character position following the region
+ * to be copied.
+ * @param destIndex The native destination index to which the source substring is
+ * copied or moved.
+ * @param move If TRUE, then the substring is moved, not copied/duplicated.
+ * @param status receives any error status. Possible errors include U_NO_WRITE_PERMISSION
+ *
+ * @stable ICU 3.4
+ */
+U_STABLE void U_EXPORT2
+utext_copy(UText *ut,
+ int64_t nativeStart, int64_t nativeLimit,
+ int64_t destIndex,
+ UBool move,
+ UErrorCode *status);
+
+
+/**
+ * <p>
+ * Freeze a UText. This prevents any modification to the underlying text itself
+ * by means of functions operating on this UText.
+ * </p>
+ * <p>
+ * Once frozen, a UText can not be unfrozen. The intent is to ensure
+ * that a the text underlying a frozen UText wrapper cannot be modified via that UText.
+ * </p>
+ * <p>
+ * Caution: freezing a UText will disable changes made via the specific
+ * frozen UText wrapper only; it will not have any effect on the ability to
+ * directly modify the text by bypassing the UText. Any such backdoor modifications
+ * are always an error while UText access is occuring because the underlying
+ * text can get out of sync with UText's buffering.
+ * </p>
+ *
+ * @param ut The UText to be frozen.
+ * @see utext_isWritable()
+ * @stable ICU 3.6
+ */
+U_STABLE void U_EXPORT2
+utext_freeze(UText *ut);
+
+
+/**
+ * UText provider properties (bit field indexes).
+ *
+ * @see UText
+ * @stable ICU 3.4
+ */
+enum {
+ /**
+ * It is potentially time consuming for the provider to determine the length of the text.
+ * @stable ICU 3.4
+ */
+ UTEXT_PROVIDER_LENGTH_IS_EXPENSIVE = 1,
+ /**
+ * Text chunks remain valid and usable until the text object is modified or
+ * deleted, not just until the next time the access() function is called
+ * (which is the default).
+ * @stable ICU 3.4
+ */
+ UTEXT_PROVIDER_STABLE_CHUNKS = 2,
+ /**
+ * The provider supports modifying the text via the replace() and copy()
+ * functions.
+ * @see Replaceable
+ * @stable ICU 3.4
+ */
+ UTEXT_PROVIDER_WRITABLE = 3,
+ /**
+ * There is meta data associated with the text.
+ * @see Replaceable::hasMetaData()
+ * @stable ICU 3.4
+ */
+ UTEXT_PROVIDER_HAS_META_DATA = 4,
+ /**
+ * Text provider owns the text storage.
+ * Generally occurs as the result of a deep clone of the UText.
+ * When closing the UText, the associated text must
+ * also be closed/deleted/freed/ whatever is appropriate.
+ * @stable ICU 3.6
+ */
+ UTEXT_PROVIDER_OWNS_TEXT = 5
+};
+
+/**
+ * Function type declaration for UText.clone().
+ *
+ * clone a UText. Much like opening a UText where the source text is itself
+ * another UText.
+ *
+ * A deep clone will copy both the UText data structures and the underlying text.
+ * The original and cloned UText will operate completely independently; modifications
+ * made to the text in one will not effect the other. Text providers are not
+ * required to support deep clones. The user of clone() must check the status return
+ * and be prepared to handle failures.
+ *
+ * A shallow clone replicates only the UText data structures; it does not make
+ * a copy of the underlying text. Shallow clones can be used as an efficient way to
+ * have multiple iterators active in a single text string that is not being
+ * modified.
+ *
+ * A shallow clone operation must not fail except for truly exceptional conditions such
+ * as memory allocation failures.
+ *
+ * A UText and its clone may be safely concurrently accessed by separate threads.
+ * This is true for both shallow and deep clones.
+ * It is the responsibility of the Text Provider to ensure that this thread safety
+ * constraint is met.
+
+ *
+ * @param dest A UText struct to be filled in with the result of the clone operation,
+ * or NULL if the clone function should heap-allocate a new UText struct.
+ * @param src The UText to be cloned.
+ * @param deep TRUE to request a deep clone, FALSE for a shallow clone.
+ * @param status Errors are returned here. For deep clones, U_UNSUPPORTED_ERROR
+ * should be returned if the text provider is unable to clone the
+ * original text.
+ * @return The newly created clone, or NULL if the clone operation failed.
+ *
+ * @stable ICU 3.4
+ */
+typedef UText * U_CALLCONV
+UTextClone(UText *dest, const UText *src, UBool deep, UErrorCode *status);
+
+
+/**
+ * Function type declaration for UText.nativeLength().
+ *
+ * @param ut the UText to get the length of.
+ * @return the length, in the native units of the original text string.
+ * @see UText
+ * @stable ICU 3.4
+ */
+typedef int64_t U_CALLCONV
+UTextNativeLength(UText *ut);
+
+/**
+ * Function type declaration for UText.access(). Get the description of the text chunk
+ * containing the text at a requested native index. The UText's iteration
+ * position will be left at the requested index. If the index is out
+ * of bounds, the iteration position will be left at the start or end
+ * of the string, as appropriate.
+ *
+ * Chunks must begin and end on code point boundaries. A single code point
+ * comprised of multiple storage units must never span a chunk boundary.
+ *
+ *
+ * @param ut the UText being accessed.
+ * @param nativeIndex Requested index of the text to be accessed.
+ * @param forward If TRUE, then the returned chunk must contain text
+ * starting from the index, so that start<=index<limit.
+ * If FALSE, then the returned chunk must contain text
+ * before the index, so that start<index<=limit.
+ * @return True if the requested index could be accessed. The chunk
+ * will contain the requested text.
+ * False value if a chunk cannot be accessed
+ * (the requested index is out of bounds).
+ *
+ * @see UText
+ * @stable ICU 3.4
+ */
+typedef UBool U_CALLCONV
+UTextAccess(UText *ut, int64_t nativeIndex, UBool forward);
+
+/**
+ * Function type declaration for UText.extract().
+ *
+ * Extract text from a UText into a UChar buffer. The range of text to be extracted
+ * is specified in the native indices of the UText provider. These may not necessarily
+ * be UTF-16 indices.
+ * <p>
+ * The size (number of 16 bit UChars) in the data to be extracted is returned. The
+ * full amount is returned, even when the specified buffer size is smaller.
+ * <p>
+ * The extracted string will (if you are a user) / must (if you are a text provider)
+ * be NUL-terminated if there is sufficient space in the destination buffer.
+ *
+ * @param ut the UText from which to extract data.
+ * @param nativeStart the native index of the first characer to extract.
+ * @param nativeLimit the native string index of the position following the last
+ * character to extract.
+ * @param dest the UChar (UTF-16) buffer into which the extracted text is placed
+ * @param destCapacity The size, in UChars, of the destination buffer. May be zero
+ * for precomputing the required size.
+ * @param status receives any error status.
+ * If U_BUFFER_OVERFLOW_ERROR: Returns number of UChars for
+ * preflighting.
+ * @return Number of UChars in the data. Does not include a trailing NUL.
+ *
+ * @stable ICU 3.4
+ */
+typedef int32_t U_CALLCONV
+UTextExtract(UText *ut,
+ int64_t nativeStart, int64_t nativeLimit,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *status);
+
+/**
+ * Function type declaration for UText.replace().
+ *
+ * Replace a range of the original text with a replacement text.
+ *
+ * Leaves the current iteration position at the position following the
+ * newly inserted replacement text.
+ *
+ * This function need only be implemented on UText types that support writing.
+ *
+ * When using this function, there should be only a single UText opened onto the
+ * underlying native text string. The function is responsible for updating the
+ * text chunk within the UText to reflect the updated iteration position,
+ * taking into account any changes to the underlying string's structure caused
+ * by the replace operation.
+ *
+ * @param ut the UText representing the text to be operated on.
+ * @param nativeStart the index of the start of the region to be replaced
+ * @param nativeLimit the index of the character following the region to be replaced.
+ * @param replacementText pointer to the replacement text
+ * @param replacmentLength length of the replacement text in UChars, or -1 if the text is NUL terminated.
+ * @param status receives any error status. Possible errors include
+ * U_NO_WRITE_PERMISSION
+ *
+ * @return The signed number of (native) storage units by which
+ * the length of the text expanded or contracted.
+ *
+ * @stable ICU 3.4
+ */
+typedef int32_t U_CALLCONV
+UTextReplace(UText *ut,
+ int64_t nativeStart, int64_t nativeLimit,
+ const UChar *replacementText, int32_t replacmentLength,
+ UErrorCode *status);
+
+/**
+ * Function type declaration for UText.copy().
+ *
+ * Copy or move a substring from one position to another within the text,
+ * while retaining any metadata associated with the text.
+ * This function is used to duplicate or reorder substrings.
+ * The destination index must not overlap the source range.
+ *
+ * The text to be copied or moved is inserted at destIndex;
+ * it does not replace or overwrite any existing text.
+ *
+ * This function need only be implemented for UText types that support writing.
+ *
+ * When using this function, there should be only a single UText opened onto the
+ * underlying native text string. The function is responsible for updating the
+ * text chunk within the UText to reflect the updated iteration position,
+ * taking into account any changes to the underlying string's structure caused
+ * by the replace operation.
+ *
+ * @param ut The UText representing the text to be operated on.
+ * @param nativeStart The index of the start of the region to be copied or moved
+ * @param nativeLimit The index of the character following the region to be replaced.
+ * @param nativeDest The destination index to which the source substring is copied or moved.
+ * @param move If TRUE, then the substring is moved, not copied/duplicated.
+ * @param status receives any error status. Possible errors include U_NO_WRITE_PERMISSION
+ *
+ * @stable ICU 3.4
+ */
+typedef void U_CALLCONV
+UTextCopy(UText *ut,
+ int64_t nativeStart, int64_t nativeLimit,
+ int64_t nativeDest,
+ UBool move,
+ UErrorCode *status);
+
+/**
+ * Function type declaration for UText.mapOffsetToNative().
+ * Map from the current UChar offset within the current text chunk to
+ * the corresponding native index in the original source text.
+ *
+ * This is required only for text providers that do not use native UTF-16 indexes.
+ *
+ * @param ut the UText.
+ * @return Absolute (native) index corresponding to chunkOffset in the current chunk.
+ * The returned native index should always be to a code point boundary.
+ *
+ * @stable ICU 3.4
+ */
+typedef int64_t U_CALLCONV
+UTextMapOffsetToNative(const UText *ut);
+
+/**
+ * Function type declaration for UText.mapIndexToUTF16().
+ * Map from a native index to a UChar offset within a text chunk.
+ * Behavior is undefined if the native index does not fall within the
+ * current chunk.
+ *
+ * This function is required only for text providers that do not use native UTF-16 indexes.
+ *
+ * @param ut The UText containing the text chunk.
+ * @param nativeIndex Absolute (native) text index, chunk->start<=index<=chunk->limit.
+ * @return Chunk-relative UTF-16 offset corresponding to the specified native
+ * index.
+ *
+ * @stable ICU 3.4
+ */
+typedef int32_t U_CALLCONV
+UTextMapNativeIndexToUTF16(const UText *ut, int64_t nativeIndex);
+
+
+/**
+ * Function type declaration for UText.utextClose().
+ *
+ * A Text Provider close function is only required for provider types that make
+ * allocations in their open function (or other functions) that must be
+ * cleaned when the UText is closed.
+ *
+ * The allocation of the UText struct itself and any "extra" storage
+ * associated with the UText is handled by the common UText implementation
+ * and does not require provider specific cleanup in a close function.
+ *
+ * Most UText provider implementations do not need to implement this function.
+ *
+ * @param ut A UText object to be closed.
+ *
+ * @stable ICU 3.4
+ */
+typedef void U_CALLCONV
+UTextClose(UText *ut);
+
+
+/**
+ * (public) Function dispatch table for UText.
+ * Conceptually very much like a C++ Virtual Function Table.
+ * This struct defines the organization of the table.
+ * Each text provider implementation must provide an
+ * actual table that is initialized with the appropriate functions
+ * for the type of text being handled.
+ * @stable ICU 3.6
+ */
+struct UTextFuncs {
+ /**
+ * (public) Function table size, sizeof(UTextFuncs)
+ * Intended for use should the table grow to accomodate added
+ * functions in the future, to allow tests for older format
+ * function tables that do not contain the extensions.
+ *
+ * Fields are placed for optimal alignment on
+ * 32/64/128-bit-pointer machines, by normally grouping together
+ * 4 32-bit fields,
+ * 4 pointers,
+ * 2 64-bit fields
+ * in sequence.
+ * @stable ICU 3.6
+ */
+ int32_t tableSize;
+
+ /**
+ * (private) Alignment padding.
+ * Do not use, reserved for use by the UText framework only.
+ * @internal
+ */
+ int32_t reserved1, /** @internal */ reserved2, /** @internal */ reserved3;
+
+
+ /**
+ * (public) Function pointer for UTextClone
+ *
+ * @see UTextClone
+ * @stable ICU 3.6
+ */
+ UTextClone *clone;
+
+ /**
+ * (public) function pointer for UTextLength
+ * May be expensive to compute!
+ *
+ * @see UTextLength
+ * @stable ICU 3.6
+ */
+ UTextNativeLength *nativeLength;
+
+ /**
+ * (public) Function pointer for UTextAccess.
+ *
+ * @see UTextAccess
+ * @stable ICU 3.6
+ */
+ UTextAccess *access;
+
+ /**
+ * (public) Function pointer for UTextExtract.
+ *
+ * @see UTextExtract
+ * @stable ICU 3.6
+ */
+ UTextExtract *extract;
+
+ /**
+ * (public) Function pointer for UTextReplace.
+ *
+ * @see UTextReplace
+ * @stable ICU 3.6
+ */
+ UTextReplace *replace;
+
+ /**
+ * (public) Function pointer for UTextCopy.
+ *
+ * @see UTextCopy
+ * @stable ICU 3.6
+ */
+ UTextCopy *copy;
+
+ /**
+ * (public) Function pointer for UTextMapOffsetToNative.
+ *
+ * @see UTextMapOffsetToNative
+ * @stable ICU 3.6
+ */
+ UTextMapOffsetToNative *mapOffsetToNative;
+
+ /**
+ * (public) Function pointer for UTextMapNativeIndexToUTF16.
+ *
+ * @see UTextMapNativeIndexToUTF16
+ * @stable ICU 3.6
+ */
+ UTextMapNativeIndexToUTF16 *mapNativeIndexToUTF16;
+
+ /**
+ * (public) Function pointer for UTextClose.
+ *
+ * @see UTextClose
+ * @stable ICU 3.6
+ */
+ UTextClose *close;
+
+ /**
+ * (private) Spare function pointer
+ * @internal
+ */
+ UTextClose *spare1;
+
+ /**
+ * (private) Spare function pointer
+ * @internal
+ */
+ UTextClose *spare2;
+
+ /**
+ * (private) Spare function pointer
+ * @internal
+ */
+ UTextClose *spare3;
+
+};
+/**
+ * Function dispatch table for UText
+ * @see UTextFuncs
+ */
+typedef struct UTextFuncs UTextFuncs;
+
+ /**
+ * UText struct. Provides the interface between the generic UText access code
+ * and the UText provider code that works on specific kinds of
+ * text (UTF-8, noncontiguous UTF-16, whatever.)
+ *
+ * Applications that are using predefined types of text providers
+ * to pass text data to ICU services will have no need to view the
+ * internals of the UText structs that they open.
+ *
+ * @stable ICU 3.6
+ */
+struct UText {
+ /**
+ * (private) Magic. Used to help detect when UText functions are handed
+ * invalid or unitialized UText structs.
+ * utext_openXYZ() functions take an initialized,
+ * but not necessarily open, UText struct as an
+ * optional fill-in parameter. This magic field
+ * is used to check for that initialization.
+ * Text provider close functions must NOT clear
+ * the magic field because that would prevent
+ * reuse of the UText struct.
+ * @internal
+ */
+ uint32_t magic;
+
+
+ /**
+ * (private) Flags for managing the allocation and freeing of
+ * memory associated with this UText.
+ * @internal
+ */
+ int32_t flags;
+
+
+ /**
+ * Text provider properties. This set of flags is maintainted by the
+ * text provider implementation.
+ * @stable ICU 3.4
+ */
+ int32_t providerProperties;
+
+ /**
+ * (public) sizeOfStruct=sizeof(UText)
+ * Allows possible backward compatible extension.
+ *
+ * @stable ICU 3.4
+ */
+ int32_t sizeOfStruct;
+
+ /* ------ 16 byte alignment boundary ----------- */
+
+
+ /**
+ * (protected) Native index of the first character position following
+ * the current chunk.
+ * @stable ICU 3.6
+ */
+ int64_t chunkNativeLimit;
+
+ /**
+ * (protected) Size in bytes of the extra space (pExtra).
+ * @stable ICU 3.4
+ */
+ int32_t extraSize;
+
+ /**
+ * (protected) The highest chunk offset where native indexing and
+ * chunk (UTF-16) indexing correspond. For UTF-16 sources, value
+ * will be equal to chunkLength.
+ *
+ * @stable ICU 3.6
+ */
+ int32_t nativeIndexingLimit;
+
+ /* ---- 16 byte alignment boundary------ */
+
+ /**
+ * (protected) Native index of the first character in the text chunk.
+ * @stable ICU 3.6
+ */
+ int64_t chunkNativeStart;
+
+ /**
+ * (protected) Current iteration position within the text chunk (UTF-16 buffer).
+ * This is the index to the character that will be returned by utext_next32().
+ * @stable ICU 3.6
+ */
+ int32_t chunkOffset;
+
+ /**
+ * (protected) Length the text chunk (UTF-16 buffer), in UChars.
+ * @stable ICU 3.6
+ */
+ int32_t chunkLength;
+
+ /* ---- 16 byte alignment boundary-- */
+
+
+ /**
+ * (protected) pointer to a chunk of text in UTF-16 format.
+ * May refer either to original storage of the source of the text, or
+ * if conversion was required, to a buffer owned by the UText.
+ * @stable ICU 3.6
+ */
+ const UChar *chunkContents;
+
+ /**
+ * (public) Pointer to Dispatch table for accessing functions for this UText.
+ * @stable ICU 3.6
+ */
+ const UTextFuncs *pFuncs;
+
+ /**
+ * (protected) Pointer to additional space requested by the
+ * text provider during the utext_open operation.
+ * @stable ICU 3.4
+ */
+ void *pExtra;
+
+ /**
+ * (protected) Pointer to string or text-containin object or similar.
+ * This is the source of the text that this UText is wrapping, in a format
+ * that is known to the text provider functions.
+ * @stable ICU 3.4
+ */
+ const void *context;
+
+ /* --- 16 byte alignment boundary--- */
+
+ /**
+ * (protected) Pointer fields available for use by the text provider.
+ * Not used by UText common code.
+ * @stable ICU 3.6
+ */
+ const void *p;
+ /**
+ * (protected) Pointer fields available for use by the text provider.
+ * Not used by UText common code.
+ * @stable ICU 3.6
+ */
+ const void *q;
+ /**
+ * (protected) Pointer fields available for use by the text provider.
+ * Not used by UText common code.
+ * @stable ICU 3.6
+ */
+ const void *r;
+
+ /**
+ * Private field reserved for future use by the UText framework
+ * itself. This is not to be touched by the text providers.
+ * @internal ICU 3.4
+ */
+ void *privP;
+
+
+ /* --- 16 byte alignment boundary--- */
+
+
+ /**
+ * (protected) Integer field reserved for use by the text provider.
+ * Not used by the UText framework, or by the client (user) of the UText.
+ * @stable ICU 3.4
+ */
+ int64_t a;
+
+ /**
+ * (protected) Integer field reserved for use by the text provider.
+ * Not used by the UText framework, or by the client (user) of the UText.
+ * @stable ICU 3.4
+ */
+ int32_t b;
+
+ /**
+ * (protected) Integer field reserved for use by the text provider.
+ * Not used by the UText framework, or by the client (user) of the UText.
+ * @stable ICU 3.4
+ */
+ int32_t c;
+
+ /* ---- 16 byte alignment boundary---- */
+
+
+ /**
+ * Private field reserved for future use by the UText framework
+ * itself. This is not to be touched by the text providers.
+ * @internal ICU 3.4
+ */
+ int64_t privA;
+ /**
+ * Private field reserved for future use by the UText framework
+ * itself. This is not to be touched by the text providers.
+ * @internal ICU 3.4
+ */
+ int32_t privB;
+ /**
+ * Private field reserved for future use by the UText framework
+ * itself. This is not to be touched by the text providers.
+ * @internal ICU 3.4
+ */
+ int32_t privC;
+};
+
+
+/**
+ * Common function for use by Text Provider implementations to allocate and/or initialize
+ * a new UText struct. To be called in the implementation of utext_open() functions.
+ * If the supplied UText parameter is null, a new UText struct will be allocated on the heap.
+ * If the supplied UText is already open, the provider's close function will be called
+ * so that the struct can be reused by the open that is in progress.
+ *
+ * @param ut pointer to a UText struct to be re-used, or null if a new UText
+ * should be allocated.
+ * @param extraSpace The amount of additional space to be allocated as part
+ * of this UText, for use by types of providers that require
+ * additional storage.
+ * @param status Errors are returned here.
+ * @return pointer to the UText, allocated if necessary, with extra space set up if requested.
+ * @stable ICU 3.4
+ */
+U_STABLE UText * U_EXPORT2
+utext_setup(UText *ut, int32_t extraSpace, UErrorCode *status);
+
+#ifndef U_HIDE_INTERNAL_API
+/**
+ * @internal
+ * Value used to help identify correctly initialized UText structs.
+ * Note: must be publicly visible so that UTEXT_INITIALIZER can access it.
+ */
+enum {
+ UTEXT_MAGIC = 0x345ad82c
+};
+#endif /* U_HIDE_INTERNAL_API */
+
+/**
+ * initializer to be used with local (stack) instances of a UText
+ * struct. UText structs must be initialized before passing
+ * them to one of the utext_open functions.
+ *
+ * @stable ICU 3.6
+ */
+#define UTEXT_INITIALIZER { \
+ UTEXT_MAGIC, /* magic */ \
+ 0, /* flags */ \
+ 0, /* providerProps */ \
+ sizeof(UText), /* sizeOfStruct */ \
+ 0, /* chunkNativeLimit */ \
+ 0, /* extraSize */ \
+ 0, /* nativeIndexingLimit */ \
+ 0, /* chunkNativeStart */ \
+ 0, /* chunkOffset */ \
+ 0, /* chunkLength */ \
+ NULL, /* chunkContents */ \
+ NULL, /* pFuncs */ \
+ NULL, /* pExtra */ \
+ NULL, /* context */ \
+ NULL, NULL, NULL, /* p, q, r */ \
+ NULL, /* privP */ \
+ 0, 0, 0, /* a, b, c */ \
+ 0, 0, 0 /* privA,B,C, */ \
+ }
+
+
+U_CDECL_END
+
+
+
+#endif
text/CString.h
text/IntegerToStringConversion.h
text/LChar.h
+ text/LineBreakIteratorPoolICU.h
text/StringBuffer.h
text/StringCommon.h
text/StringHash.h
text/StringView.h
text/SymbolImpl.h
text/SymbolRegistry.h
+ text/TextBreakIterator.h
+ text/TextBreakIteratorInternalICU.h
text/UniquedStringImpl.h
text/WTFString.h
+ text/icu/UTextProvider.h
+ text/icu/UTextProviderLatin1.h
+ text/icu/UTextProviderUTF16.h
+
threads/BinarySemaphore.h
unicode/CharacterNames.h
text/StringStatics.cpp
text/StringView.cpp
text/SymbolRegistry.cpp
+ text/TextBreakIterator.cpp
text/WTFString.cpp
+ text/icu/UTextProvider.cpp
+ text/icu/UTextProviderLatin1.cpp
+ text/icu/UTextProviderUTF16.cpp
+
threads/BinarySemaphore.cpp
unicode/UTF8.cpp
"${WTF_DIR}/wtf"
"${WTF_DIR}/wtf/dtoa"
"${WTF_DIR}/wtf/text"
+ "${WTF_DIR}/wtf/text/icu"
"${WTF_DIR}/wtf/threads"
"${WTF_DIR}/wtf/unicode"
"${THIRDPARTY_DIR}"
list(APPEND WTF_SOURCES
PlatformUserPreferredLanguagesUnix.cpp
+ text/efl/TextBreakIteratorInternalICUEfl.cpp
+
efl/DispatchQueueEfl.cpp
efl/MainThreadEfl.cpp
efl/RunLoopEfl.cpp
glib/MainThreadGLib.cpp
glib/RunLoopGLib.cpp
PlatformUserPreferredLanguagesUnix.cpp
+
+ text/gtk/TextBreakIteratorInternalICUGtk.cpp
)
list(APPEND WTF_LIBRARIES
SchedulePairCF.cpp
SchedulePairMac.mm
+ text/mac/TextBreakIteratorInternalICUMac.mm
+
cf/RunLoopCF.cpp
cocoa/WorkQueueCocoa.cpp
list(APPEND WTF_SOURCES
- PLatformUserPreferredLanguagesWin.cpp
+ PlatformUserPreferredLanguagesWin.cpp
+
+ text/win/TextBreakIteratorInternalICUWin.cpp
text/cf/AtomicStringImplCF.cpp
text/cf/StringCF.cpp
#include <wtf/NeverDestroyed.h>
#include <wtf/Vector.h>
-namespace WebCore {
+namespace WTF {
template<typename KeyType, typename ValueType>
struct TinyLRUCachePolicy {
}
+using WTF::TinyLRUCache;
+using WTF::TinyLRUCachePolicy;
+
#endif // TinyLRUCache_h
#include <wtf/text/CString.h>
#include <wtf/text/StringBuilder.h>
-namespace WebCore {
+namespace WTF {
class LineBreakIteratorPool {
WTF_MAKE_NONCOPYABLE(LineBreakIteratorPool);
// FIXME: This needs a better name
#define ADDITIONAL_EMOJI_SUPPORT (PLATFORM(IOS) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100))
-namespace WebCore {
+namespace WTF {
// Iterator initialization
"$CR = [\\p{Grapheme_Cluster_Break = CR}];"
"$LF = [\\p{Grapheme_Cluster_Break = LF}];"
"$Control = [\\p{Grapheme_Cluster_Break = Control}];"
- "$VoiceMarks = [\\uFF9E\\uFF9F];" // Japanese half-width katakana voiced marks
+ "$VoiceMarks = [\\uFF9E\\uFF9F];" // Japanese half-width katakana voiced marks
"$Extend = [\\p{Grapheme_Cluster_Break = Extend} $VoiceMarks - [\\u0E30 \\u0E32 \\u0E45 \\u0EB0 \\u0EB2]];"
"$SpacingMark = [[\\p{General_Category = Spacing Mark}] - $Extend];"
"$L = [\\p{Grapheme_Cluster_Break = L}];"
"$T = [\\p{Grapheme_Cluster_Break = T}];"
"$LV = [\\p{Grapheme_Cluster_Break = LV}];"
"$LVT = [\\p{Grapheme_Cluster_Break = LVT}];"
- "$Hin0 = [\\u0905-\\u0939];" // Devanagari Letter A,...,Ha
- "$HinV = \\u094D;" // Devanagari Sign Virama
- "$Hin1 = [\\u0915-\\u0939];" // Devanagari Letter Ka,...,Ha
- "$Ben0 = [\\u0985-\\u09B9];" // Bengali Letter A,...,Ha
- "$BenV = \\u09CD;" // Bengali Sign Virama
- "$Ben1 = [\\u0995-\\u09B9];" // Bengali Letter Ka,...,Ha
- "$Pan0 = [\\u0A05-\\u0A39];" // Gurmukhi Letter A,...,Ha
- "$PanV = \\u0A4D;" // Gurmukhi Sign Virama
- "$Pan1 = [\\u0A15-\\u0A39];" // Gurmukhi Letter Ka,...,Ha
- "$Guj0 = [\\u0A85-\\u0AB9];" // Gujarati Letter A,...,Ha
- "$GujV = \\u0ACD;" // Gujarati Sign Virama
- "$Guj1 = [\\u0A95-\\u0AB9];" // Gujarati Letter Ka,...,Ha
- "$Ori0 = [\\u0B05-\\u0B39];" // Oriya Letter A,...,Ha
- "$OriV = \\u0B4D;" // Oriya Sign Virama
- "$Ori1 = [\\u0B15-\\u0B39];" // Oriya Letter Ka,...,Ha
- "$Tel0 = [\\u0C05-\\u0C39];" // Telugu Letter A,...,Ha
- "$TelV = \\u0C4D;" // Telugu Sign Virama
- "$Tel1 = [\\u0C14-\\u0C39];" // Telugu Letter Ka,...,Ha
- "$Kan0 = [\\u0C85-\\u0CB9];" // Kannada Letter A,...,Ha
- "$KanV = \\u0CCD;" // Kannada Sign Virama
- "$Kan1 = [\\u0C95-\\u0CB9];" // Kannada Letter A,...,Ha
- "$Mal0 = [\\u0D05-\\u0D39];" // Malayalam Letter A,...,Ha
- "$MalV = \\u0D4D;" // Malayalam Sign Virama
- "$Mal1 = [\\u0D15-\\u0D39];" // Malayalam Letter A,...,Ha
+ "$Hin0 = [\\u0905-\\u0939];" // Devanagari Letter A,...,Ha
+ "$HinV = \\u094D;" // Devanagari Sign Virama
+ "$Hin1 = [\\u0915-\\u0939];" // Devanagari Letter Ka,...,Ha
+ "$Ben0 = [\\u0985-\\u09B9];" // Bengali Letter A,...,Ha
+ "$BenV = \\u09CD;" // Bengali Sign Virama
+ "$Ben1 = [\\u0995-\\u09B9];" // Bengali Letter Ka,...,Ha
+ "$Pan0 = [\\u0A05-\\u0A39];" // Gurmukhi Letter A,...,Ha
+ "$PanV = \\u0A4D;" // Gurmukhi Sign Virama
+ "$Pan1 = [\\u0A15-\\u0A39];" // Gurmukhi Letter Ka,...,Ha
+ "$Guj0 = [\\u0A85-\\u0AB9];" // Gujarati Letter A,...,Ha
+ "$GujV = \\u0ACD;" // Gujarati Sign Virama
+ "$Guj1 = [\\u0A95-\\u0AB9];" // Gujarati Letter Ka,...,Ha
+ "$Ori0 = [\\u0B05-\\u0B39];" // Oriya Letter A,...,Ha
+ "$OriV = \\u0B4D;" // Oriya Sign Virama
+ "$Ori1 = [\\u0B15-\\u0B39];" // Oriya Letter Ka,...,Ha
+ "$Tel0 = [\\u0C05-\\u0C39];" // Telugu Letter A,...,Ha
+ "$TelV = \\u0C4D;" // Telugu Sign Virama
+ "$Tel1 = [\\u0C14-\\u0C39];" // Telugu Letter Ka,...,Ha
+ "$Kan0 = [\\u0C85-\\u0CB9];" // Kannada Letter A,...,Ha
+ "$KanV = \\u0CCD;" // Kannada Sign Virama
+ "$Kan1 = [\\u0C95-\\u0CB9];" // Kannada Letter A,...,Ha
+ "$Mal0 = [\\u0D05-\\u0D39];" // Malayalam Letter A,...,Ha
+ "$MalV = \\u0D4D;" // Malayalam Sign Virama
+ "$Mal1 = [\\u0D15-\\u0D39];" // Malayalam Letter A,...,Ha
"$RI = [\\U0001F1E6-\\U0001F1FF];" // Emoji regional indicators
- "$ZWJ = \\u200D;" // Zero width joiner
- "$EmojiVar = [\\uFE0F];" // Emoji-style variation selector
+ "$ZWJ = \\u200D;" // Zero width joiner
+ "$EmojiVar = [\\uFE0F];" // Emoji-style variation selector
#if ADDITIONAL_EMOJI_SUPPORT
"$EmojiForSeqs = [\\u2764 \\U0001F441 \\U0001F466-\\U0001F469 \\U0001F48B \\U0001F5E8];" // Emoji that participate in ZWJ sequences
"$EmojiForMods = [\\u261D \\u26F9 \\u270A-\\u270D \\U0001F385 \\U0001F3C3-\\U0001F3C4 \\U0001F3CA \\U0001F3CB \\U0001F442-\\U0001F443 \\U0001F446-\\U0001F450 \\U0001F466-\\U0001F469 \\U0001F46E-\\U0001F478 \\U0001F47C \\U0001F481-\\U0001F483 \\U0001F485-\\U0001F487 \\U0001F4AA \\U0001F575 \\U0001F590 \\U0001F595 \\U0001F596 \\U0001F645-\\U0001F647 \\U0001F64B-\\U0001F64F \\U0001F6A3 \\U0001F6B4-\\U0001F6B6 \\U0001F6C0 \\U0001F918] ;" // Emoji that take Fitzpatrick modifiers
"$RI $RI / $RI;"
"$RI $RI;"
#endif
- "$Hin0 $HinV $Hin1;" // Devanagari Virama (forward)
- "$Ben0 $BenV $Ben1;" // Bengali Virama (forward)
- "$Pan0 $PanV $Pan1;" // Gurmukhi Virama (forward)
- "$Guj0 $GujV $Guj1;" // Gujarati Virama (forward)
- "$Ori0 $OriV $Ori1;" // Oriya Virama (forward)
- "$Tel0 $TelV $Tel1;" // Telugu Virama (forward)
- "$Kan0 $KanV $Kan1;" // Kannada Virama (forward)
- "$Mal0 $MalV $Mal1;" // Malayalam Virama (forward)
- "$ZWJ $EmojiForSeqs;" // Don't break in emoji ZWJ sequences
+ "$Hin0 $HinV $Hin1;" // Devanagari Virama (forward)
+ "$Ben0 $BenV $Ben1;" // Bengali Virama (forward)
+ "$Pan0 $PanV $Pan1;" // Gurmukhi Virama (forward)
+ "$Guj0 $GujV $Guj1;" // Gujarati Virama (forward)
+ "$Ori0 $OriV $Ori1;" // Oriya Virama (forward)
+ "$Tel0 $TelV $Tel1;" // Telugu Virama (forward)
+ "$Kan0 $KanV $Kan1;" // Kannada Virama (forward)
+ "$Mal0 $MalV $Mal1;" // Malayalam Virama (forward)
+ "$ZWJ $EmojiForSeqs;" // Don't break in emoji ZWJ sequences
"$EmojiForMods $EmojiVar? $EmojiMods;" // Don't break between relevant emoji (possibly with variation selector) and Fitzpatrick modifier
"!!reverse;"
"$LF $CR;"
"$RI $RI / $RI $RI;"
"$RI $RI;"
#endif
- "$Hin1 $HinV $Hin0;" // Devanagari Virama (backward)
- "$Ben1 $BenV $Ben0;" // Bengali Virama (backward)
- "$Pan1 $PanV $Pan0;" // Gurmukhi Virama (backward)
- "$Guj1 $GujV $Guj0;" // Gujarati Virama (backward)
- "$Ori1 $OriV $Ori0;" // Gujarati Virama (backward)
- "$Tel1 $TelV $Tel0;" // Telugu Virama (backward)
- "$Kan1 $KanV $Kan0;" // Kannada Virama (backward)
- "$Mal1 $MalV $Mal0;" // Malayalam Virama (backward)
- "$EmojiForSeqs $ZWJ;" // Don't break in emoji ZWJ sequences
+ "$Hin1 $HinV $Hin0;" // Devanagari Virama (backward)
+ "$Ben1 $BenV $Ben0;" // Bengali Virama (backward)
+ "$Pan1 $PanV $Pan0;" // Gurmukhi Virama (backward)
+ "$Guj1 $GujV $Guj0;" // Gujarati Virama (backward)
+ "$Ori1 $OriV $Ori0;" // Gujarati Virama (backward)
+ "$Tel1 $TelV $Tel0;" // Telugu Virama (backward)
+ "$Kan1 $KanV $Kan0;" // Kannada Virama (backward)
+ "$Mal1 $MalV $Mal0;" // Malayalam Virama (backward)
+ "$EmojiForSeqs $ZWJ;" // Don't break in emoji ZWJ sequences
"$EmojiMods $EmojiVar? $EmojiForMods;" // Don't break between relevant emoji (possibly with variation selector) and Fitzpatrick modifier
#if ADDITIONAL_EMOJI_SUPPORT
"!!safe_reverse;"
return textBreakCurrent(it);
}
-} // namespace WebCore
+} // namespace WTF
#include <wtf/text/AtomicString.h>
#include <wtf/text/StringView.h>
-namespace WebCore {
+namespace WTF {
class TextBreakIterator;
// platform UI conventions. One notable example where this can be different
// from character break iterator is Thai prepend characters, see bug 24342.
// Use this for insertion point and selection manipulations.
-TextBreakIterator* cursorMovementIterator(StringView);
+WTF_EXPORT_PRIVATE TextBreakIterator* cursorMovementIterator(StringView);
-TextBreakIterator* wordBreakIterator(StringView);
-TextBreakIterator* sentenceBreakIterator(StringView);
+WTF_EXPORT_PRIVATE TextBreakIterator* wordBreakIterator(StringView);
+WTF_EXPORT_PRIVATE TextBreakIterator* sentenceBreakIterator(StringView);
-WEBCORE_EXPORT TextBreakIterator* acquireLineBreakIterator(StringView, const AtomicString& locale, const UChar* priorContext, unsigned priorContextLength, LineBreakIteratorMode, bool isCJK);
-WEBCORE_EXPORT void releaseLineBreakIterator(TextBreakIterator*);
+WTF_EXPORT_PRIVATE TextBreakIterator* acquireLineBreakIterator(StringView, const AtomicString& locale, const UChar* priorContext, unsigned priorContextLength, LineBreakIteratorMode, bool isCJK);
+WTF_EXPORT_PRIVATE void releaseLineBreakIterator(TextBreakIterator*);
TextBreakIterator* openLineBreakIterator(const AtomicString& locale, LineBreakIteratorMode, bool isCJK);
void closeLineBreakIterator(TextBreakIterator*&);
-int textBreakFirst(TextBreakIterator*);
-int textBreakLast(TextBreakIterator*);
-int textBreakNext(TextBreakIterator*);
-int textBreakPrevious(TextBreakIterator*);
-int textBreakCurrent(TextBreakIterator*);
-int textBreakPreceding(TextBreakIterator*, int);
-WEBCORE_EXPORT int textBreakFollowing(TextBreakIterator*, int);
-bool isTextBreak(TextBreakIterator*, int);
-bool isWordTextBreak(TextBreakIterator*);
+WTF_EXPORT_PRIVATE int textBreakFirst(TextBreakIterator*);
+WTF_EXPORT_PRIVATE int textBreakLast(TextBreakIterator*);
+WTF_EXPORT_PRIVATE int textBreakNext(TextBreakIterator*);
+WTF_EXPORT_PRIVATE int textBreakPrevious(TextBreakIterator*);
+WTF_EXPORT_PRIVATE int textBreakCurrent(TextBreakIterator*);
+WTF_EXPORT_PRIVATE int textBreakPreceding(TextBreakIterator*, int);
+WTF_EXPORT_PRIVATE int textBreakFollowing(TextBreakIterator*, int);
+WTF_EXPORT_PRIVATE bool isTextBreak(TextBreakIterator*, int);
+WTF_EXPORT_PRIVATE bool isWordTextBreak(TextBreakIterator*);
const int TextBreakDone = -1;
-WEBCORE_EXPORT bool isCJKLocale(const AtomicString&);
+WTF_EXPORT_PRIVATE bool isCJKLocale(const AtomicString&);
class LazyLineBreakIterator {
public:
class NonSharedCharacterBreakIterator {
WTF_MAKE_NONCOPYABLE(NonSharedCharacterBreakIterator);
public:
- WEBCORE_EXPORT NonSharedCharacterBreakIterator(StringView);
- WEBCORE_EXPORT ~NonSharedCharacterBreakIterator();
+ WTF_EXPORT_PRIVATE NonSharedCharacterBreakIterator(StringView);
+ WTF_EXPORT_PRIVATE ~NonSharedCharacterBreakIterator();
operator TextBreakIterator*() const { return m_iterator; }
// Counts the number of grapheme clusters. A surrogate pair or a sequence
// of a non-combining character and following combining characters is
// counted as 1 grapheme cluster.
-unsigned numGraphemeClusters(const String&);
+WTF_EXPORT_PRIVATE unsigned numGraphemeClusters(const String&);
// Returns the number of characters which will be less than or equal to
// the specified grapheme cluster length.
-unsigned numCharactersInGraphemeClusters(const StringView&, unsigned);
+WTF_EXPORT_PRIVATE unsigned numCharactersInGraphemeClusters(const StringView&, unsigned);
}
+using WTF::LineBreakIteratorMode;
+using WTF::LineBreakIteratorModeUAX14;
+using WTF::LazyLineBreakIterator;
+using WTF::NonSharedCharacterBreakIterator;
+using WTF::TextBreakDone;
+using WTF::TextBreakIterator;
+
#endif
// FIXME: Now that this handles locales for ICU, not just for text breaking,
// this file and the various implementation files should be renamed.
-namespace WebCore {
+namespace WTF {
- const char* currentSearchLocaleID();
- const char* currentTextBreakLocaleID();
+WTF_EXPORT_PRIVATE const char* currentSearchLocaleID();
+WTF_EXPORT_PRIVATE const char* currentTextBreakLocaleID();
}
+using WTF::currentSearchLocaleID;
+using WTF::currentTextBreakLocaleID;
+
#endif
#include "config.h"
#include "TextBreakIteratorInternalICU.h"
-namespace WebCore {
+namespace WTF {
const char* currentSearchLocaleID()
{
#include "config.h"
#include "TextBreakIteratorInternalICU.h"
-namespace WebCore {
+namespace WTF {
const char* currentSearchLocaleID()
{
#include "config.h"
#include "UTextProvider.h"
+#include <algorithm>
#include <string.h>
-namespace WebCore {
+namespace WTF {
// Relocate pointer from source into destination as required.
static inline void fixPointer(const UText* source, UText* destination, const void*& pointer)
return destination;
}
-} // namespace WebCore
+} // namespace WTF
#include <unicode/utext.h>
-namespace WebCore {
+namespace WTF {
enum class UTextProviderContext {
NoContext,
return false;
}
-} // namespace WebCore
+} // namespace WTF
#endif // UTextProvider_h
#include "UTextProvider.h"
#include <wtf/text/StringImpl.h>
-namespace WebCore {
+namespace WTF {
// Latin1 provider
return text;
}
-} // namespace WebCore
+} // namespace WTF
#include <unicode/utext.h>
#include <wtf/text/LChar.h>
-namespace WebCore {
+namespace WTF {
const int UTextWithBufferInlineCapacity = 16;
UText* openLatin1UTextProvider(UTextWithBuffer* utWithBuffer, const LChar* string, unsigned length, UErrorCode* status);
UText* openLatin1ContextAwareUTextProvider(UTextWithBuffer* utWithBuffer, const LChar* string, unsigned length, const UChar* priorContext, int priorContextLength, UErrorCode* status);
-} // namespace WebCore
+} // namespace WTF
#endif // UTextProviderLatin1_h
#include "UTextProviderUTF16.h"
#include "UTextProvider.h"
+#include <algorithm>
-namespace WebCore {
+namespace WTF {
// UTF16ContextAware provider
return text;
}
-} // namespace WebCore
+} // namespace WTF
#include <unicode/utext.h>
-namespace WebCore {
+namespace WTF {
UText* openUTF16ContextAwareUTextProvider(UText*, const UChar*, unsigned length, const UChar* priorContext, int priorContextLength, UErrorCode*);
-} // namespace WebCore
+} // namespace WTF
#endif // UTextProviderUTF16_h
#include <wtf/RetainPtr.h>
-namespace WebCore {
+namespace WTF {
static const int maxLocaleStringLength = 32;
#include "config.h"
#include "TextBreakIteratorInternalICU.h"
-namespace WebCore {
+namespace WTF {
const char* currentSearchLocaleID()
{
platform/text/QuotedPrintable.cpp
platform/text/SegmentedString.cpp
platform/text/TextBoundaries.cpp
- platform/text/TextBreakIterator.cpp
platform/text/TextCodec.cpp
platform/text/TextCodecICU.cpp
platform/text/TextCodecLatin1.cpp
platform/text/TextEncodingRegistry.cpp
platform/text/TextStream.cpp
- platform/text/icu/UTextProvider.cpp
- platform/text/icu/UTextProviderLatin1.cpp
- platform/text/icu/UTextProviderUTF16.cpp
-
plugins/DOMMimeType.cpp
plugins/DOMMimeTypeArray.cpp
plugins/DOMPlugin.cpp
+2016-07-10 Myles C. Maxfield <mmaxfield@apple.com>
+
+ Move breaking iterator code to WTF
+ https://bugs.webkit.org/show_bug.cgi?id=159594
+
+ Reviewed by Alex Christensen.
+
+ This is in preparation for giving StringView a GraphemeClusters iterator.
+ Such an interator needs to be implemented on top of our breaking iterator
+ code.
+
+ No new tests because there is no behavior change.
+
+ * CMakeLists.txt:
+ * PlatformEfl.cmake:
+ * PlatformGTK.cmake:
+ * PlatformMac.cmake:
+ * PlatformWin.cmake:
+ * WebCore.xcodeproj/project.pbxproj:
+ * dom/CharacterData.cpp:
+ * editing/TextCheckingHelper.cpp:
+ * editing/TextIterator.cpp:
+ * editing/VisibleUnits.cpp:
+ * html/HTMLInputElement.cpp:
+ * html/HTMLTextAreaElement.cpp:
+ * html/InputType.cpp:
+ * html/TextFieldInputType.cpp:
+ * html/TextInputType.cpp:
+ * platform/LocalizedStrings.cpp:
+ * platform/graphics/StringTruncator.cpp:
+ * platform/graphics/cg/ColorCG.cpp:
+ (WTF::RetainPtr<CGColorRef>>::createValueForKey):
+ (WebCore::RetainPtr<CGColorRef>>::createValueForKey): Deleted.
+ * platform/graphics/mac/ComplexTextController.cpp:
+ * platform/text/LineBreakIteratorPoolICU.h:
+ (WebCore::LineBreakIteratorPool::LineBreakIteratorPool): Deleted.
+ (WebCore::LineBreakIteratorPool::sharedPool): Deleted.
+ (WebCore::LineBreakIteratorPool::makeLocaleWithBreakKeyword): Deleted.
+ (WebCore::LineBreakIteratorPool::take): Deleted.
+ (WebCore::LineBreakIteratorPool::put): Deleted.
+ * platform/text/TextBoundaries.cpp:
+ * platform/text/TextBreakIterator.cpp:
+ (WebCore::initializeIterator): Deleted.
+ (WebCore::initializeIteratorWithRules): Deleted.
+ (WebCore::setTextForIterator): Deleted.
+ (WebCore::setContextAwareTextForIterator): Deleted.
+ (WebCore::wordBreakIterator): Deleted.
+ (WebCore::sentenceBreakIterator): Deleted.
+ (WebCore::cursorMovementIterator): Deleted.
+ (WebCore::acquireLineBreakIterator): Deleted.
+ (WebCore::releaseLineBreakIterator): Deleted.
+ (WebCore::mapLineIteratorModeToRules): Deleted.
+ (WebCore::isCJKLocale): Deleted.
+ (WebCore::openLineBreakIterator): Deleted.
+ (WebCore::closeLineBreakIterator): Deleted.
+ (WebCore::compareAndSwapNonSharedCharacterBreakIterator): Deleted.
+ (WebCore::NonSharedCharacterBreakIterator::NonSharedCharacterBreakIterator): Deleted.
+ (WebCore::NonSharedCharacterBreakIterator::~NonSharedCharacterBreakIterator): Deleted.
+ (WebCore::textBreakFirst): Deleted.
+ (WebCore::textBreakLast): Deleted.
+ (WebCore::textBreakNext): Deleted.
+ (WebCore::textBreakPrevious): Deleted.
+ (WebCore::textBreakPreceding): Deleted.
+ (WebCore::textBreakFollowing): Deleted.
+ (WebCore::textBreakCurrent): Deleted.
+ (WebCore::isTextBreak): Deleted.
+ (WebCore::isWordTextBreak): Deleted.
+ (WebCore::numGraphemeClusters): Deleted.
+ (WebCore::numCharactersInGraphemeClusters): Deleted.
+ * platform/text/TextBreakIterator.h:
+ (WebCore::LazyLineBreakIterator::LazyLineBreakIterator): Deleted.
+ (WebCore::LazyLineBreakIterator::~LazyLineBreakIterator): Deleted.
+ (WebCore::LazyLineBreakIterator::string): Deleted.
+ (WebCore::LazyLineBreakIterator::isLooseCJKMode): Deleted.
+ (WebCore::LazyLineBreakIterator::lastCharacter): Deleted.
+ (WebCore::LazyLineBreakIterator::secondToLastCharacter): Deleted.
+ (WebCore::LazyLineBreakIterator::setPriorContext): Deleted.
+ (WebCore::LazyLineBreakIterator::updatePriorContext): Deleted.
+ (WebCore::LazyLineBreakIterator::resetPriorContext): Deleted.
+ (WebCore::LazyLineBreakIterator::priorContextLength): Deleted.
+ (WebCore::LazyLineBreakIterator::get): Deleted.
+ (WebCore::LazyLineBreakIterator::resetStringAndReleaseIterator): Deleted.
+ (WebCore::NonSharedCharacterBreakIterator::operator TextBreakIterator*): Deleted.
+ * platform/text/cf/HyphenationCF.cpp:
+ * platform/text/efl/TextBreakIteratorInternalICUEfl.cpp:
+ (WebCore::currentSearchLocaleID): Deleted.
+ (WebCore::currentTextBreakLocaleID): Deleted.
+ * platform/text/enchant/TextCheckerEnchant.cpp:
+ * platform/text/gtk/TextBreakIteratorInternalICUGtk.cpp:
+ (WebCore::currentSearchLocaleID): Deleted.
+ (WebCore::currentTextBreakLocaleID): Deleted.
+ * platform/text/icu/UTextProvider.cpp:
+ (WebCore::fixPointer): Deleted.
+ (WebCore::uTextCloneImpl): Deleted.
+ * platform/text/icu/UTextProvider.h:
+ (WebCore::uTextProviderContext): Deleted.
+ (WebCore::initializeContextAwareUTextProvider): Deleted.
+ (WebCore::uTextAccessPinIndex): Deleted.
+ (WebCore::uTextAccessInChunkOrOutOfRange): Deleted.
+ * platform/text/icu/UTextProviderLatin1.cpp:
+ (WebCore::uTextLatin1Clone): Deleted.
+ (WebCore::uTextLatin1NativeLength): Deleted.
+ (WebCore::uTextLatin1Access): Deleted.
+ (WebCore::uTextLatin1Extract): Deleted.
+ (WebCore::uTextLatin1MapOffsetToNative): Deleted.
+ (WebCore::uTextLatin1MapNativeIndexToUTF16): Deleted.
+ (WebCore::uTextLatin1Close): Deleted.
+ (WebCore::openLatin1UTextProvider): Deleted.
+ (WebCore::textLatin1ContextAwareGetCurrentContext): Deleted.
+ (WebCore::textLatin1ContextAwareMoveInPrimaryContext): Deleted.
+ (WebCore::textLatin1ContextAwareSwitchToPrimaryContext): Deleted.
+ (WebCore::textLatin1ContextAwareMoveInPriorContext): Deleted.
+ (WebCore::textLatin1ContextAwareSwitchToPriorContext): Deleted.
+ (WebCore::uTextLatin1ContextAwareClone): Deleted.
+ (WebCore::uTextLatin1ContextAwareNativeLength): Deleted.
+ (WebCore::uTextLatin1ContextAwareAccess): Deleted.
+ (WebCore::uTextLatin1ContextAwareExtract): Deleted.
+ (WebCore::uTextLatin1ContextAwareClose): Deleted.
+ (WebCore::openLatin1ContextAwareUTextProvider): Deleted.
+ * platform/text/icu/UTextProviderUTF16.cpp:
+ (WebCore::textUTF16ContextAwareGetCurrentContext): Deleted.
+ (WebCore::textUTF16ContextAwareMoveInPrimaryContext): Deleted.
+ (WebCore::textUTF16ContextAwareSwitchToPrimaryContext): Deleted.
+ (WebCore::textUTF16ContextAwareMoveInPriorContext): Deleted.
+ (WebCore::textUTF16ContextAwareSwitchToPriorContext): Deleted.
+ (WebCore::uTextUTF16ContextAwareClone): Deleted.
+ (WebCore::uTextUTF16ContextAwareNativeLength): Deleted.
+ (WebCore::uTextUTF16ContextAwareAccess): Deleted.
+ (WebCore::uTextUTF16ContextAwareExtract): Deleted.
+ (WebCore::uTextUTF16ContextAwareClose): Deleted.
+ (WebCore::openUTF16ContextAwareUTextProvider): Deleted.
+ * platform/text/mac/TextBoundaries.mm:
+ * platform/text/mac/TextBreakIteratorInternalICUMac.mm:
+ (WebCore::textBreakLocalePreference): Deleted.
+ (WebCore::topLanguagePreference): Deleted.
+ (WebCore::getLocale): Deleted.
+ (WebCore::getSearchLocale): Deleted.
+ (WebCore::currentSearchLocaleID): Deleted.
+ (WebCore::getTextBreakLocale): Deleted.
+ (WebCore::currentTextBreakLocaleID): Deleted.
+ * platform/text/win/TextBreakIteratorInternalICUWin.cpp:
+ (WebCore::currentSearchLocaleID): Deleted.
+ (WebCore::currentTextBreakLocaleID): Deleted.
+ * rendering/RenderBlock.cpp:
+ * rendering/RenderText.cpp:
+ * rendering/RenderText.h:
+ * rendering/SimpleLineLayoutTextFragmentIterator.h:
+ * rendering/break_lines.cpp:
+ * rendering/break_lines.h:
+ * rendering/line/LineBreaker.h:
+
2016-07-10 Yusuke Suzuki <utatane.tea@gmail.com>
[GTK] Crash on https://diafygi.github.io/webcrypto-examples with ENABLE_SUBTLE_CRYPTO
platform/text/Hyphenation.cpp
platform/text/LocaleICU.cpp
- platform/text/efl/TextBreakIteratorInternalICUEfl.cpp
-
platform/text/enchant/TextCheckerEnchant.cpp
platform/text/hyphen/HyphenationLibHyphen.cpp
platform/text/enchant/TextCheckerEnchant.cpp
- platform/text/gtk/TextBreakIteratorInternalICUGtk.cpp
-
platform/text/hyphen/HyphenationLibHyphen.cpp
platform/unix/LoggingUnix.cpp
platform/text/mac/LocaleMac.mm
platform/text/mac/TextBoundaries.mm
- platform/text/mac/TextBreakIteratorInternalICUMac.mm
platform/text/mac/TextCodecMac.cpp
rendering/RenderThemeMac.mm
platform/text/cf/HyphenationCF.cpp
- platform/text/win/TextBreakIteratorInternalICUWin.cpp
-
platform/win/BString.cpp
platform/win/BitmapInfo.cpp
platform/win/ClipboardUtilitiesWin.cpp
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B2C3D9FF0D006C1D00EF6F26 /* SegmentedString.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = SegmentedString.h; sourceTree = "<group>"; };
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- B2C3DA060D006C1D00EF6F26 /* TextBreakIterator.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = TextBreakIterator.h; sourceTree = "<group>"; };
- B2C3DA080D006C1D00EF6F26 /* TextBreakIteratorInternalICU.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = TextBreakIteratorInternalICU.h; sourceTree = "<group>"; };
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BCD41ABA0C060DE800C0E446 /* JSHTMLFrameSetElementCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = JSHTMLFrameSetElementCustom.cpp; sourceTree = "<group>"; };
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- BCD8A5EF15F56F2C0098D071 /* TextBreakIterator.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TextBreakIterator.cpp; sourceTree = "<group>"; };
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BCD9C2600C17AA67005C90A2 /* JSNodeCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = JSNodeCustom.cpp; sourceTree = "<group>"; };
path = cocoa;
sourceTree = "<group>";
};
- 7C74D43018823A4200E5ED57 /* icu */ = {
- isa = PBXGroup;
- children = (
- 7C74D43518823B1900E5ED57 /* UTextProvider.cpp */,
- 7C74D43618823B1900E5ED57 /* UTextProvider.h */,
- 7C74D43118823A9300E5ED57 /* UTextProviderLatin1.cpp */,
- 7C74D43218823A9300E5ED57 /* UTextProviderLatin1.h */,
- 7C74D4391882400400E5ED57 /* UTextProviderUTF16.cpp */,
- 7C74D43A1882400400E5ED57 /* UTextProviderUTF16.h */,
- );
- path = icu;
- sourceTree = "<group>";
- };
7E4DE10B198B10810051CB02 /* cocoa */ = {
isa = PBXGroup;
children = (
isa = PBXGroup;
children = (
B2B264590D00A77E000ACC1D /* cf */,
- 7C74D43018823A4200E5ED57 /* icu */,
A516E8B2136E04C00076C3C0 /* ios */,
B2C3D9F90D006C1D00EF6F26 /* mac */,
B2C3D9F20D006C1D00EF6F26 /* BidiContext.cpp */,
453EB635159C570400001BB7 /* DateTimeFormat.h */,
CECCFC3A141973D5002A0AC1 /* DecodeEscapeSequences.h */,
375CD231119D43C800A2A859 /* Hyphenation.h */,
- A5ABB78613B904BC00F197E3 /* LineBreakIteratorPoolICU.h */,
89B5EA9F11E8003D00F2367E /* LineEnding.cpp */,
89B5EAA011E8003D00F2367E /* LineEnding.h */,
7633A72413D8B33A008501B6 /* LocaleToScriptMapping.h */,
97C0784F1165D5BE003A32EF /* SuffixTree.h */,
372C00C3129611F1005C9575 /* TextBoundaries.cpp */,
B2C3DA040D006C1D00EF6F26 /* TextBoundaries.h */,
- BCD8A5EF15F56F2C0098D071 /* TextBreakIterator.cpp */,
- B2C3DA060D006C1D00EF6F26 /* TextBreakIterator.h */,
- B2C3DA080D006C1D00EF6F26 /* TextBreakIteratorInternalICU.h */,
A7151BD712F1558F005A0F64 /* TextCheckerClient.h */,
A77D0011133B0AEB00D6658C /* TextChecking.h */,
B2C3DA090D006C1D00EF6F26 /* TextCodec.cpp */,
B2AFFC860D00A5DF0030074D /* mac-encodings.txt */,
B2AFFC870D00A5DF0030074D /* make-charset-table.pl */,
B2AFFC8C0D00A5DF0030074D /* TextBoundaries.mm */,
- B2AFFC8D0D00A5DF0030074D /* TextBreakIteratorInternalICUMac.mm */,
B2AFFC8E0D00A5DF0030074D /* TextCodecMac.cpp */,
B2AFFC8F0D00A5DF0030074D /* TextCodecMac.h */,
);
BCFF64920EAD15C200C1D6F7 /* LengthSize.h in Headers */,
84730D911248F0B300D3A9C9 /* LightSource.h in Headers */,
B22279650D00BF220071B782 /* LinearGradientAttributes.h in Headers */,
- A5ABB78713B904BC00F197E3 /* LineBreakIteratorPoolICU.h in Headers */,
AB31C91E10AE1B8E000C7B92 /* LineClampValue.h in Headers */,
89B5EAA211E8003D00F2367E /* LineEnding.h in Headers */,
FFEFAB2A18380DA000514534 /* LineLayoutState.h in Headers */,
CE7B2DB51586ABAD0098B3FA /* TextAlternativeWithRange.h in Headers */,
0F54DCE61881051D003EEDBB /* TextAutoSizing.h in Headers */,
B2C3DA340D006C1D00EF6F26 /* TextBoundaries.h in Headers */,
- B2C3DA360D006C1D00EF6F26 /* TextBreakIterator.h in Headers */,
- B2C3DA380D006C1D00EF6F26 /* TextBreakIteratorInternalICU.h in Headers */,
A7151BD812F1558F005A0F64 /* TextCheckerClient.h in Headers */,
A77D0012133B0AEB00D6658C /* TextChecking.h in Headers */,
A7DBF8DE1276919C006B6008 /* TextCheckingHelper.h in Headers */,
BC8BF151105813BF00A40A07 /* UserStyleSheet.h in Headers */,
BC8BF15A1058141800A40A07 /* UserStyleSheetTypes.h in Headers */,
BCDF317C11F8D683003C5BF8 /* UserTypingGestureIndicator.h in Headers */,
- 7C74D43818823B1900E5ED57 /* UTextProvider.h in Headers */,
- 7C74D43418823A9300E5ED57 /* UTextProviderLatin1.h in Headers */,
- 7C74D43C1882400400E5ED57 /* UTextProviderUTF16.h in Headers */,
1FAFBF1915A5FA7400083A20 /* UTIUtilities.h in Headers */,
2E3BBF081162DA1100B9409A /* UUID.h in Headers */,
F5A154281279534D00D0B0C0 /* ValidationMessage.h in Headers */,
0F54DCE51881051D003EEDBB /* TextAutoSizing.cpp in Sources */,
372C00C4129611F1005C9575 /* TextBoundaries.cpp in Sources */,
B2AFFC970D00A5DF0030074D /* TextBoundaries.mm in Sources */,
- BCD8A5F015F56F2C0098D071 /* TextBreakIterator.cpp in Sources */,
- B2AFFC980D00A5DF0030074D /* TextBreakIteratorInternalICUMac.mm in Sources */,
A7DBF8DD1276919C006B6008 /* TextCheckingHelper.cpp in Sources */,
B2C3DA390D006C1D00EF6F26 /* TextCodec.cpp in Sources */,
B2C3DA3B0D006C1D00EF6F26 /* TextCodecICU.cpp in Sources */,
7CE68344192143A800F4D928 /* UserMessageHandlerDescriptor.cpp in Sources */,
7C73FB07191EF417007DE061 /* UserMessageHandlersNamespace.cpp in Sources */,
BCDF317B11F8D683003C5BF8 /* UserTypingGestureIndicator.cpp in Sources */,
- 7C74D43718823B1900E5ED57 /* UTextProvider.cpp in Sources */,
- 7C74D43318823A9300E5ED57 /* UTextProviderLatin1.cpp in Sources */,
- 7C74D43B1882400400E5ED57 /* UTextProviderUTF16.cpp in Sources */,
1FAFBF1815A5FA6E00083A20 /* UTIUtilities.mm in Sources */,
2E3BBF071162DA1100B9409A /* UUID.cpp in Sources */,
F5A154271279534D00D0B0C0 /* ValidationMessage.cpp in Sources */,
#include "ProcessingInstruction.h"
#include "RenderText.h"
#include "StyleInheritedData.h"
-#include "TextBreakIterator.h"
#include <wtf/Ref.h>
+#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
#include "Frame.h"
#include "FrameSelection.h"
#include "Settings.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextCheckerClient.h"
#include "TextIterator.h"
#include "VisiblePosition.h"
#include "SimpleLineLayout.h"
#include "SimpleLineLayoutResolver.h"
#include "TextBoundaries.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextControlInnerElements.h"
#include "VisiblePosition.h"
#include "VisibleUnits.h"
#include <wtf/unicode/CharacterNames.h>
#if !UCONFIG_NO_COLLATION
-#include "TextBreakIteratorInternalICU.h"
#include <unicode/usearch.h>
+#include <wtf/text/TextBreakIteratorInternalICU.h>
#endif
using namespace WTF::Unicode;
#include "RenderedPosition.h"
#include "Text.h"
#include "TextBoundaries.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextIterator.h"
#include "VisibleSelection.h"
#include "htmlediting.h"
#include "ScopedEventQueue.h"
#include "SearchInputType.h"
#include "StyleResolver.h"
-#include "TextBreakIterator.h"
#include <wtf/MathExtras.h>
#include <wtf/Ref.h>
+#include <wtf/text/TextBreakIterator.h>
#if ENABLE(TOUCH_EVENTS)
#include "TouchEvent.h"
#include "RenderTextControlMultiLine.h"
#include "ShadowRoot.h"
#include "Text.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextControlInnerElements.h"
#include "TextIterator.h"
#include "TextNodeTraversal.h"
#include "ShadowRoot.h"
#include "SubmitInputType.h"
#include "TelephoneInputType.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextInputType.h"
#include "TimeInputType.h"
#include "URLInputType.h"
#include "RenderTextControlSingleLine.h"
#include "RenderTheme.h"
#include "ShadowRoot.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextControlInnerElements.h"
#include "TextEvent.h"
#include "TextIterator.h"
#include "HTMLInputElement.h"
#include "InputTypeNames.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
#include "IntSize.h"
#include "NotImplemented.h"
-#include "TextBreakIterator.h"
#include <wtf/MathExtras.h>
#include <wtf/NeverDestroyed.h>
+#include <wtf/text/TextBreakIterator.h>
#include <wtf/unicode/CharacterNames.h>
#if USE(CF)
#include "StringTruncator.h"
#include "FontCascade.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextRun.h"
#include <wtf/Assertions.h>
#include <wtf/Vector.h>
#include <wtf/StdLibExtras.h>
#endif // !PLATFORM(IOS)
+namespace WebCore {
+static CGColorRef leakCGColor(const Color&);
+}
+
+namespace WTF {
+
+template<>
+RetainPtr<CGColorRef> TinyLRUCachePolicy<WebCore::Color, RetainPtr<CGColorRef>>::createValueForKey(const WebCore::Color& color)
+{
+ return adoptCF(WebCore::leakCGColor(color));
+}
+
+} // namespace WTF
+
namespace WebCore {
#if PLATFORM(IOS)
return CGColorCreate(sRGBColorSpaceRef(), components);
}
-template<>
-RetainPtr<CGColorRef> TinyLRUCachePolicy<Color, RetainPtr<CGColorRef>>::createValueForKey(const Color& color)
-{
- return adoptCF(leakCGColor(color));
-}
-
CGColorRef cachedCGColor(const Color& color)
{
switch (color.rgb()) {
#include "FontCascade.h"
#include "RenderBlock.h"
#include "RenderText.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextRun.h"
#include <wtf/Optional.h>
#include <wtf/StdLibExtras.h>
#include "config.h"
#include "TextBoundaries.h"
-#include "TextBreakIterator.h"
#include <wtf/text/StringImpl.h>
+#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
#include "Hyphenation.h"
#include "Language.h"
-#include "TextBreakIteratorInternalICU.h"
#include <wtf/ListHashSet.h>
#include <wtf/RetainPtr.h>
#include <wtf/TinyLRUCache.h>
#include <wtf/text/StringView.h>
+#include <wtf/text/TextBreakIteratorInternalICU.h>
-namespace WebCore {
+namespace WTF {
template<>
class TinyLRUCachePolicy<AtomicString, RetainPtr<CFLocaleRef>>
{
// CF hyphenation functions use locale (regional formats) language, which doesn't necessarily match primary UI language,
// so we can't use default locale here. See <rdar://problem/14897664>.
- RetainPtr<CFLocaleRef> locale = adoptCF(CFLocaleCreate(kCFAllocatorDefault, defaultLanguage().createCFString().get()));
+ RetainPtr<CFLocaleRef> locale = adoptCF(CFLocaleCreate(kCFAllocatorDefault, WebCore::defaultLanguage().createCFString().get()));
return CFStringIsHyphenationAvailableForLocale(locale.get()) ? locale : nullptr;
}
return CFStringIsHyphenationAvailableForLocale(locale.get()) ? locale : nullptr;
}
};
+}
+
+namespace WebCore {
bool canHyphenate(const AtomicString& localeIdentifier)
{
#include <Language.h>
#include <glib.h>
-#include <text/TextBreakIterator.h>
+#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
HyphenDictUniquePtr m_libhyphenDictionary;
};
+} // namespace WebCore
+
+namespace WTF {
+
template<>
-class TinyLRUCachePolicy<AtomicString, RefPtr<HyphenationDictionary>>
+class TinyLRUCachePolicy<AtomicString, RefPtr<WebCore::HyphenationDictionary>>
{
public:
- static TinyLRUCache<AtomicString, RefPtr<HyphenationDictionary>>& cache()
+ static TinyLRUCache<AtomicString, RefPtr<WebCore::HyphenationDictionary>>& cache()
{
- static NeverDestroyed<TinyLRUCache<AtomicString, RefPtr<HyphenationDictionary>>> cache;
+ static NeverDestroyed<TinyLRUCache<AtomicString, RefPtr<WebCore::HyphenationDictionary>>> cache;
return cache;
}
return localeIdentifier.isNull();
}
- static RefPtr<HyphenationDictionary> createValueForNullKey()
+ static RefPtr<WebCore::HyphenationDictionary> createValueForNullKey()
{
- return HyphenationDictionary::createNull();
+ return WebCore::HyphenationDictionary::createNull();
}
- static RefPtr<HyphenationDictionary> createValueForKey(const AtomicString& dictionaryPath)
+ static RefPtr<WebCore::HyphenationDictionary> createValueForKey(const AtomicString& dictionaryPath)
{
- return HyphenationDictionary::create(fileSystemRepresentation(dictionaryPath.string()));
+ return WebCore::HyphenationDictionary::create(WebCore::fileSystemRepresentation(dictionaryPath.string()));
}
};
+} // namespace WTF
+
+namespace WebCore {
+
static void countLeadingSpaces(const CString& utf8String, int32_t& pointerOffset, int32_t& characterOffset)
{
pointerOffset = 0;
String lowercaseLocaleIdentifier = AtomicString(localeIdentifier.string().convertToASCIILowercase());
ASSERT(availableLocales().contains(lowercaseLocaleIdentifier));
for (const auto& dictionaryPath : availableLocales().get(lowercaseLocaleIdentifier)) {
- RefPtr<HyphenationDictionary> dictionary = TinyLRUCachePolicy<AtomicString, RefPtr<HyphenationDictionary>>::cache().get(AtomicString(dictionaryPath));
+ RefPtr<HyphenationDictionary> dictionary =
WTF::TinyLRUCachePolicy<AtomicString, RefPtr<HyphenationDictionary>>::cache().get(AtomicString(dictionaryPath));
char** replacements = nullptr;
int* positions = nullptr;
#import "config.h"
#import "TextBoundaries.h"
-#import "TextBreakIterator.h"
-#import "TextBreakIteratorInternalICU.h"
#import <CoreFoundation/CFStringTokenizer.h>
#import <Foundation/Foundation.h>
#import <unicode/ubrk.h>
#import <unicode/utypes.h>
#import <wtf/RetainPtr.h>
#import <wtf/text/StringView.h>
+#import <wtf/text/TextBreakIterator.h>
+#import <wtf/text/TextBreakIteratorInternalICU.h>
#import <wtf/unicode/CharacterNames.h>
namespace WebCore {
#include "RenderView.h"
#include "Settings.h"
#include "ShadowRoot.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TransformState.h"
#include <wtf/NeverDestroyed.h>
#include "Settings.h"
#include "SimpleLineLayoutFunctions.h"
#include "Text.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "TextResourceDecoder.h"
#include "VisiblePosition.h"
#include "break_lines.h"
#include "RenderTextLineBoxes.h"
#include "SimpleLineLayout.h"
#include "Text.h"
-#include "TextBreakIterator.h"
#include <wtf/Forward.h>
+#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
#include "RenderLineBreak.h"
#include "SimpleLineLayoutFlowContents.h"
-#include "TextBreakIterator.h"
+#include <wtf/text/TextBreakIterator.h>
#include "break_lines.h"
namespace WebCore {
#include "config.h"
#include "break_lines.h"
-#include "TextBreakIterator.h"
#include <wtf/ASCIICType.h>
#include <wtf/StdLibExtras.h>
#include <wtf/unicode/CharacterNames.h>
#ifndef break_lines_h
#define break_lines_h
-#include "TextBreakIterator.h"
#include <wtf/ASCIICType.h>
#include <wtf/StdLibExtras.h>
+#include <wtf/text/TextBreakIterator.h>
#include <wtf/unicode/CharacterNames.h>
namespace WebCore {
#include "InlineIterator.h"
#include "LineInfo.h"
#include "LineInlineHeaders.h"
-#include "TextBreakIterator.h"
#include <wtf/Vector.h>
+#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
#import <WebCore/PathUtilities.h>
#import <WebCore/ResourceRequest.h>
#import <WebCore/Settings.h>
-#import <WebCore/TextBreakIterator.h>
#import <WebCore/WebCoreSystemInterface.h>
#import <WebCore/WebCoreThreadSystemInterface.h>
#import <WebCore/break_lines.h>
#import <wtf/spi/darwin/dyldSPI.h>
+#import <wtf/text/TextBreakIterator.h>
#import <runtime/InitializeThreading.h>
#include "TextCheckerState.h"
#if ENABLE(SPELLCHECK)
-#include "TextBreakIterator.h"
#include "TextCheckerClientEfl.h"
#include "WebTextChecker.h"
+#include <wtf/text/TextBreakIterator.h>
#endif
using namespace WebCore;
#include "config.h"
#include "TextChecker.h"
-#include "TextBreakIterator.h"
#include "TextCheckerState.h"
#include "WebProcessPool.h"
#include <WebCore/NotImplemented.h>
#include <WebCore/TextCheckerEnchant.h>
#include <wtf/NeverDestroyed.h>
+#include <wtf/text/TextBreakIterator.h>
using namespace WebCore;
git://git.webkit.org / WebKit-https.git / commitdiff