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| 1 // Copyright (c) 2008, Google Inc. | |
| 2 // 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 #include "config.h" | |
| 31 #include "bindings/v8/custom/V8CustomXPathNSResolver.h" | |
| 32 | |
| 33 #include "bindings/v8/ScriptController.h" | |
| 34 #include "bindings/v8/V8Binding.h" | |
| 35 #include "core/dom/ExecutionContext.h" | |
| 36 #include "core/frame/LocalDOMWindow.h" | |
| 37 #include "core/frame/FrameConsole.h" | |
| 38 #include "core/frame/FrameHost.h" | |
| 39 #include "core/frame/LocalFrame.h" | |
| 40 #include "core/inspector/ScriptCallStack.h" | |
| 41 #include "wtf/text/WTFString.h" | |
| 42 | |
| 43 namespace WebCore { | |
| 44 | |
| 45 PassRefPtrWillBeRawPtr<V8CustomXPathNSResolver> V8CustomXPathNSResolver::create(
v8::Handle<v8::Object> resolver, v8::Isolate* isolate) | |
| 46 { | |
| 47 return adoptRefWillBeNoop(new V8CustomXPathNSResolver(resolver, isolate)); | |
| 48 } | |
| 49 | |
| 50 V8CustomXPathNSResolver::V8CustomXPathNSResolver(v8::Handle<v8::Object> resolver
, v8::Isolate* isolate) | |
| 51 : m_resolver(resolver) | |
| 52 , m_isolate(isolate) | |
| 53 { | |
| 54 } | |
| 55 | |
| 56 V8CustomXPathNSResolver::~V8CustomXPathNSResolver() | |
| 57 { | |
| 58 } | |
| 59 | |
| 60 AtomicString V8CustomXPathNSResolver::lookupNamespaceURI(const String& prefix) | |
| 61 { | |
| 62 v8::Handle<v8::Function> lookupNamespaceURIFunc; | |
| 63 v8::Handle<v8::String> lookupNamespaceURIName = v8AtomicString(m_isolate, "l
ookupNamespaceURI"); | |
| 64 | |
| 65 // Check if the resolver has a function property named lookupNamespaceURI. | |
| 66 if (m_resolver->Has(lookupNamespaceURIName)) { | |
| 67 v8::Handle<v8::Value> lookupNamespaceURI = m_resolver->Get(lookupNamespa
ceURIName); | |
| 68 if (lookupNamespaceURI->IsFunction()) | |
| 69 lookupNamespaceURIFunc = v8::Handle<v8::Function>::Cast(lookupNamesp
aceURI); | |
| 70 } | |
| 71 | |
| 72 if (lookupNamespaceURIFunc.IsEmpty() && !m_resolver->IsFunction()) { | |
| 73 LocalFrame* frame = callingDOMWindow(m_isolate)->frame(); | |
| 74 if (frame && frame->host()) | |
| 75 frame->console().addMessage(JSMessageSource, ErrorMessageLevel, "XPa
thNSResolver does not have a lookupNamespaceURI method."); | |
| 76 return nullAtom; | |
| 77 } | |
| 78 | |
| 79 // Catch exceptions from calling the namespace resolver. | |
| 80 v8::TryCatch tryCatch; | |
| 81 tryCatch.SetVerbose(true); // Print exceptions to console. | |
| 82 | |
| 83 const int argc = 1; | |
| 84 v8::Handle<v8::Value> argv[argc] = { v8String(m_isolate, prefix) }; | |
| 85 v8::Handle<v8::Function> function = lookupNamespaceURIFunc.IsEmpty() ? v8::H
andle<v8::Function>::Cast(m_resolver) : lookupNamespaceURIFunc; | |
| 86 | |
| 87 v8::Handle<v8::Value> retval = ScriptController::callFunction(callingExecuti
onContext(m_isolate), function, m_resolver, argc, argv, m_isolate); | |
| 88 | |
| 89 // Eat exceptions from namespace resolver and return an empty string. This w
ill most likely cause NamespaceError. | |
| 90 if (tryCatch.HasCaught()) | |
| 91 return nullAtom; | |
| 92 | |
| 93 TOSTRING_DEFAULT(V8StringResource<WithNullCheck>, returnString, retval, null
Atom); | |
| 94 return returnString; | |
| 95 } | |
| 96 | |
| 97 void V8CustomXPathNSResolver::trace(Visitor* visitor) | |
| 98 { | |
| 99 XPathNSResolver::trace(visitor); | |
| 100 } | |
| 101 | |
| 102 } // namespace WebCore | |
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Chromium Code Reviews
Issue 331373002:
Split bindings/v8/custom into core and modules. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk