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

/*
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
 *     * Redistributions of source code must retain the above copyright
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "bindings/core/v8/V8Document.h"

#include "bindings/core/v8/ExceptionMessages.h"
#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/ScriptController.h"
#include "bindings/core/v8/V8Binding.h"
#include "bindings/core/v8/V8CanvasRenderingContext2D.h"
#include "bindings/core/v8/V8DOMImplementation.h"
#include "bindings/core/v8/V8DOMWrapper.h"
#include "bindings/core/v8/V8Node.h"
#include "bindings/core/v8/V8Touch.h"
#include "bindings/core/v8/V8TouchList.h"
#include "bindings/core/v8/V8WebGLRenderingContext.h"
#include "bindings/core/v8/V8XPathNSResolver.h"
#include "bindings/core/v8/V8XPathResult.h"
#include "bindings/core/v8/custom/V8CustomXPathNSResolver.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/Node.h"
#include "core/dom/TouchList.h"
#include "core/frame/LocalFrame.h"
#include "core/html/canvas/CanvasRenderingContext.h"
#include "core/xml/DocumentXPathEvaluator.h"
#include "core/xml/XPathNSResolver.h"
#include "core/xml/XPathResult.h"
#include "wtf/RefPtr.h"

namespace blink {

void V8Document::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    RefPtrWillBeRawPtr<Document> document = V8Document::toImpl(info.Holder());
    ASSERT(document);
    ExceptionState exceptionState(ExceptionState::ExecutionContext, "evaluate", "Document", info.Holder(), info.GetIsolate());
    TOSTRING_VOID(V8StringResource<>, expression, info[0]);
    RefPtrWillBeRawPtr<Node> contextNode = V8Node::toImplWithTypeCheck(info.GetIsolate(), info[1]);

    const int resolverArgumentIndex = 2;
    RefPtrWillBeRawPtr<XPathNSResolver> resolver = toXPathNSResolver(info.GetIsolate(), info[resolverArgumentIndex]);
    if (!resolver && !isUndefinedOrNull(info[resolverArgumentIndex])) {
        exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(resolverArgumentIndex + 1, "XPathNSResolver"));
        exceptionState.throwIfNeeded();
        return;
    }

    int type = toInt32(info[3]);
    RefPtrWillBeRawPtr<XPathResult> inResult = V8XPathResult::toImplWithTypeCheck(info.GetIsolate(), info[4]);
    TONATIVE_VOID(RefPtrWillBeRawPtr<XPathResult>, result, DocumentXPathEvaluator::evaluate(*document, expression, contextNode.get(), resolver.release(), type, inResult.get(), exceptionState));
    if (exceptionState.throwIfNeeded())
        return;

    v8SetReturnValueFast(info, result.release(), document.get());
}

} // namespace blink