src/third_party/WebKit/Source/bindings/core/v8/custom/V8DocumentCustom.cpp

   1 /*
   2  * Copyright (C) 2007-2009 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   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.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "bindings/core/v8/V8Document.h"
  33
  34 #include "bindings/core/v8/ExceptionMessages.h"
  35 #include "bindings/core/v8/ExceptionState.h"
  36 #include "bindings/core/v8/ScriptController.h"
  37 #include "bindings/core/v8/V8Binding.h"
  38 #include "bindings/core/v8/V8CanvasRenderingContext2D.h"
  39 #include "bindings/core/v8/V8DOMImplementation.h"
  40 #include "bindings/core/v8/V8DOMWrapper.h"
  41 #include "bindings/core/v8/V8Node.h"
  42 #include "bindings/core/v8/V8Touch.h"
  43 #include "bindings/core/v8/V8TouchList.h"
  44 #include "bindings/core/v8/V8WebGLRenderingContext.h"
  45 #include "bindings/core/v8/V8XPathNSResolver.h"
  46 #include "bindings/core/v8/V8XPathResult.h"
  47 #include "bindings/core/v8/custom/V8CustomXPathNSResolver.h"
  48 #include "core/dom/Document.h"
  49 #include "core/dom/ExceptionCode.h"
  50 #include "core/dom/Node.h"
  51 #include "core/dom/TouchList.h"
  52 #include "core/frame/LocalFrame.h"
  53 #include "core/html/canvas/CanvasRenderingContext.h"
  54 #include "core/xml/DocumentXPathEvaluator.h"
  55 #include "core/xml/XPathNSResolver.h"
  56 #include "core/xml/XPathResult.h"
  57 #include "wtf/RefPtr.h"
  58
  59 namespace blink {
  60
  61 void V8Document::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  62 {
  63     RefPtrWillBeRawPtr<Document> document = V8Document::toImpl(info.Holder());
  64     ASSERT(document);
  65     ExceptionState exceptionState(ExceptionState::ExecutionContext, "evaluate", "Document", info.Holder(), info.GetIsolate());
  66     TOSTRING_VOID(V8StringResource<>, expression, info[0]);
  67     RefPtrWillBeRawPtr<Node> contextNode = V8Node::toImplWithTypeCheck(info.GetIsolate(), info[1]);
  68
  69     const int resolverArgumentIndex = 2;
  70     RefPtrWillBeRawPtr<XPathNSResolver> resolver = toXPathNSResolver(info[resolverArgumentIndex], info.GetIsolate());
  71     if (!resolver && !isUndefinedOrNull(info[resolverArgumentIndex])) {
  72         exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(resolverArgumentIndex + 1, "XPathNSResolver"));
  73         exceptionState.throwIfNeeded();
  74         return;
  75     }
  76
  77     int type = toInt32(info[3]);
  78     RefPtrWillBeRawPtr<XPathResult> inResult = V8XPathResult::toImplWithTypeCheck(info.GetIsolate(), info[4]);
  79     TONATIVE_VOID(RefPtrWillBeRawPtr<XPathResult>, result, DocumentXPathEvaluator::evaluate(*document, expression, contextNode.get(), resolver.release(), type, inResult.get(), exceptionState));
  80     if (exceptionState.throwIfNeeded())
  81         return;
  82
  83     v8SetReturnValueFast(info, result.release(), document.get());
  84 }
  85
  86 } // namespace blink