WebCore/bindings/v8/custom/V8TreeWalkerCustom.cpp

   1 /*
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   3  *
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   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
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  16  * this software without specific prior written permission.
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  30
  31 #include "config.h"
  32 #include "TreeWalker.h"
  33
  34 #include "Node.h"
  35 #include "ScriptState.h"
  36
  37 #include "V8Binding.h"
  38 #include "V8CustomBinding.h"
  39 #include "V8Proxy.h"
  40
  41 #include <wtf/PassRefPtr.h>
  42 #include <wtf/RefPtr.h>
  43
  44 namespace WebCore {
  45
  46 static inline v8::Handle<v8::Value> toV8(PassRefPtr<Node> object, ScriptState* state)
  47 {
  48     if (state->hadException())
  49         return throwError(state->exception());
  50
  51     if (!object)
  52         return v8::Null();
  53
  54     return V8Proxy::NodeToV8Object(object.get());
  55 }
  56
  57 CALLBACK_FUNC_DECL(TreeWalkerParentNode)
  58 {
  59     INC_STATS("DOM.TreeWalker.parentNode()");
  60     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
  61
  62     ScriptState state;
  63     RefPtr<Node> result = treeWalker->parentNode(&state);
  64     return toV8(result.release(), &state);
  65 }
  66
  67 CALLBACK_FUNC_DECL(TreeWalkerFirstChild)
  68 {
  69     INC_STATS("DOM.TreeWalker.firstChild()");
  70     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
  71
  72     ScriptState state;
  73     RefPtr<Node> result = treeWalker->firstChild(&state);
  74     return toV8(result.release(), &state);
  75 }
  76
  77 CALLBACK_FUNC_DECL(TreeWalkerLastChild)
  78 {
  79     INC_STATS("DOM.TreeWalker.lastChild()");
  80     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
  81
  82     ScriptState state;
  83     RefPtr<Node> result = treeWalker->lastChild(&state);
  84     return toV8(result.release(), &state);
  85 }
  86
  87 CALLBACK_FUNC_DECL(TreeWalkerNextNode)
  88 {
  89     INC_STATS("DOM.TreeWalker.nextNode()");
  90     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
  91
  92     ScriptState state;
  93     RefPtr<Node> result = treeWalker->nextNode(&state);
  94     return toV8(result.release(), &state);
  95 }
  96
  97 CALLBACK_FUNC_DECL(TreeWalkerPreviousNode)
  98 {
  99     INC_STATS("DOM.TreeWalker.previousNode()");
 100     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
 101
 102     ScriptState state;
 103     RefPtr<Node> result = treeWalker->previousNode(&state);
 104     return toV8(result.release(), &state);
 105 }
 106
 107 CALLBACK_FUNC_DECL(TreeWalkerNextSibling)
 108 {
 109     INC_STATS("DOM.TreeWalker.nextSibling()");
 110     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
 111
 112     ScriptState state;
 113     RefPtr<Node> result = treeWalker->nextSibling(&state);
 114     return toV8(result.release(), &state);
 115 }
 116
 117 CALLBACK_FUNC_DECL(TreeWalkerPreviousSibling)
 118 {
 119     INC_STATS("DOM.TreeWalker.previousSibling()");
 120     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
 121
 122     ScriptState state;
 123     RefPtr<Node> result = treeWalker->previousSibling(&state);
 124     return toV8(result.release(), &state);
 125 }
 126
 127 } // namespace WebCore