15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// Copyright (c) 2008, Google Inc. 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 31197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "bindings/core/v8/custom/V8CustomXPathNSResolver.h" 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 33197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "bindings/core/v8/ScriptController.h" 34197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "bindings/core/v8/V8Binding.h" 351e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "core/dom/ExecutionContext.h" 366f543c786fc42989f552b4daa774ca5ff32fa697Ben Murdoch#include "core/frame/FrameConsole.h" 3709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/frame/FrameHost.h" 38197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "core/frame/LocalDOMWindow.h" 39d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "core/frame/LocalFrame.h" 40e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles)#include "core/inspector/ConsoleMessage.h" 41d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "core/inspector/ScriptCallStack.h" 4253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "wtf/text/WTFString.h" 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 44c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 46d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)PassRefPtrWillBeRawPtr<V8CustomXPathNSResolver> V8CustomXPathNSResolver::create(v8::Handle<v8::Object> resolver, v8::Isolate* isolate) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 48d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return adoptRefWillBeNoop(new V8CustomXPathNSResolver(resolver, isolate)); 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 51926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)V8CustomXPathNSResolver::V8CustomXPathNSResolver(v8::Handle<v8::Object> resolver, v8::Isolate* isolate) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_resolver(resolver) 53926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) , m_isolate(isolate) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 57a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)AtomicString V8CustomXPathNSResolver::lookupNamespaceURI(const String& prefix) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Handle<v8::Function> lookupNamespaceURIFunc; 60a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) v8::Handle<v8::String> lookupNamespaceURIName = v8AtomicString(m_isolate, "lookupNamespaceURI"); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Check if the resolver has a function property named lookupNamespaceURI. 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_resolver->Has(lookupNamespaceURIName)) { 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Handle<v8::Value> lookupNamespaceURI = m_resolver->Get(lookupNamespaceURIName); 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (lookupNamespaceURI->IsFunction()) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) lookupNamespaceURIFunc = v8::Handle<v8::Function>::Cast(lookupNamespaceURI); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (lookupNamespaceURIFunc.IsEmpty() && !m_resolver->IsFunction()) { 70d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) LocalFrame* frame = callingDOMWindow(m_isolate)->frame(); 7109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (frame && frame->host()) 72e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles) frame->console().addMessage(ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, "XPathNSResolver does not have a lookupNamespaceURI method.")); 73a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) return nullAtom; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Catch exceptions from calling the namespace resolver. 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::TryCatch tryCatch; 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) tryCatch.SetVerbose(true); // Print exceptions to console. 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const int argc = 1; 81a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) v8::Handle<v8::Value> argv[argc] = { v8String(m_isolate, prefix) }; 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Handle<v8::Function> function = lookupNamespaceURIFunc.IsEmpty() ? v8::Handle<v8::Function>::Cast(m_resolver) : lookupNamespaceURIFunc; 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 84d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) v8::Handle<v8::Value> retval = ScriptController::callFunction(callingExecutionContext(m_isolate), function, m_resolver, argc, argv, m_isolate); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 86e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // Eat exceptions from namespace resolver and return an empty string. This will most likely cause NamespaceError. 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (tryCatch.HasCaught()) 88a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) return nullAtom; 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 90197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch TOSTRING_DEFAULT(V8StringResource<TreatNullAsNullString>, returnString, retval, nullAtom); 91a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) return returnString; 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 94d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)void V8CustomXPathNSResolver::trace(Visitor* visitor) 95d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles){ 96d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) XPathNSResolver::trace(visitor); 97d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)} 98d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 99c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 100