diff options
author | Zeno Albisser <zeno.albisser@digia.com> | 2013-08-15 21:46:11 +0200 |
---|---|---|
committer | Zeno Albisser <zeno.albisser@digia.com> | 2013-08-15 21:46:11 +0200 |
commit | 679147eead574d186ebf3069647b4c23e8ccace6 (patch) | |
tree | fc247a0ac8ff119f7c8550879ebb6d3dd8d1ff69 /chromium/third_party/WebKit/Source/bindings/v8/custom/V8CustomXPathNSResolver.cpp |
Initial import.
Diffstat (limited to 'chromium/third_party/WebKit/Source/bindings/v8/custom/V8CustomXPathNSResolver.cpp')
-rw-r--r-- | chromium/third_party/WebKit/Source/bindings/v8/custom/V8CustomXPathNSResolver.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/bindings/v8/custom/V8CustomXPathNSResolver.cpp b/chromium/third_party/WebKit/Source/bindings/v8/custom/V8CustomXPathNSResolver.cpp new file mode 100644 index 00000000000..bf99bfb4283 --- /dev/null +++ b/chromium/third_party/WebKit/Source/bindings/v8/custom/V8CustomXPathNSResolver.cpp @@ -0,0 +1,97 @@ +// Copyright (c) 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "config.h" +#include "bindings/v8/custom/V8CustomXPathNSResolver.h" + +#include "bindings/v8/ScriptController.h" +#include "bindings/v8/V8Binding.h" +#include "bindings/v8/V8Utilities.h" +#include "core/dom/ScriptExecutionContext.h" +#include "core/inspector/ScriptCallStack.h" +#include "core/page/DOMWindow.h" +#include "core/page/Frame.h" +#include "core/page/Page.h" +#include "core/page/PageConsole.h" +#include "wtf/text/WTFString.h" + +namespace WebCore { + +PassRefPtr<V8CustomXPathNSResolver> V8CustomXPathNSResolver::create(v8::Handle<v8::Object> resolver, v8::Isolate* isolate) +{ + return adoptRef(new V8CustomXPathNSResolver(resolver, isolate)); +} + +V8CustomXPathNSResolver::V8CustomXPathNSResolver(v8::Handle<v8::Object> resolver, v8::Isolate* isolate) + : m_resolver(resolver) + , m_isolate(isolate) +{ +} + +V8CustomXPathNSResolver::~V8CustomXPathNSResolver() +{ +} + +String V8CustomXPathNSResolver::lookupNamespaceURI(const String& prefix) +{ + v8::Handle<v8::Function> lookupNamespaceURIFunc; + v8::Handle<v8::String> lookupNamespaceURIName = v8::String::NewSymbol("lookupNamespaceURI"); + + // Check if the resolver has a function property named lookupNamespaceURI. + if (m_resolver->Has(lookupNamespaceURIName)) { + v8::Handle<v8::Value> lookupNamespaceURI = m_resolver->Get(lookupNamespaceURIName); + if (lookupNamespaceURI->IsFunction()) + lookupNamespaceURIFunc = v8::Handle<v8::Function>::Cast(lookupNamespaceURI); + } + + if (lookupNamespaceURIFunc.IsEmpty() && !m_resolver->IsFunction()) { + Frame* frame = activeDOMWindow()->frame(); + if (frame && frame->page()) + frame->page()->console()->addMessage(JSMessageSource, ErrorMessageLevel, "XPathNSResolver does not have a lookupNamespaceURI method."); + return String(); + } + + // Catch exceptions from calling the namespace resolver. + v8::TryCatch tryCatch; + tryCatch.SetVerbose(true); // Print exceptions to console. + + const int argc = 1; + v8::Handle<v8::Value> argv[argc] = { v8String(prefix, m_isolate) }; + v8::Handle<v8::Function> function = lookupNamespaceURIFunc.IsEmpty() ? v8::Handle<v8::Function>::Cast(m_resolver) : lookupNamespaceURIFunc; + + v8::Handle<v8::Value> retval = ScriptController::callFunctionWithInstrumentation(0, function, m_resolver, argc, argv); + + // Eat exceptions from namespace resolver and return an empty string. This will most likely cause NamespaceError. + if (tryCatch.HasCaught()) + return String(); + + return toWebCoreStringWithNullCheck(retval); +} + +} // namespace WebCore |