/* | |
* Copyright (C) 2007, 2008, 2009 Apple 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: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. 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. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "JSHTMLDocument.h" | |
#include "CharacterNames.h" | |
#include "Frame.h" | |
#include "HTMLAllCollection.h" | |
#include "HTMLBodyElement.h" | |
#include "HTMLCollection.h" | |
#include "HTMLDocument.h" | |
#include "HTMLElement.h" | |
#include "HTMLIFrameElement.h" | |
#include "HTMLNames.h" | |
#include "JSDOMWindow.h" | |
#include "JSDOMWindowCustom.h" | |
#include "JSDOMWindowShell.h" | |
#include "JSHTMLCollection.h" | |
#include "SegmentedString.h" | |
#include "Tokenizer.h" | |
#include <runtime/Error.h> | |
using namespace JSC; | |
namespace WebCore { | |
using namespace HTMLNames; | |
bool JSHTMLDocument::canGetItemsForName(ExecState*, HTMLDocument* document, const Identifier& propertyName) | |
{ | |
AtomicStringImpl* atomicPropertyName = AtomicString::find(propertyName); | |
return atomicPropertyName && (document->hasNamedItem(atomicPropertyName) || document->hasExtraNamedItem(atomicPropertyName)); | |
} | |
JSValue JSHTMLDocument::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName) | |
{ | |
JSHTMLDocument* thisObj = static_cast<JSHTMLDocument*>(asObject(slotBase)); | |
HTMLDocument* document = static_cast<HTMLDocument*>(thisObj->impl()); | |
String name = propertyName; | |
RefPtr<HTMLCollection> collection = document->documentNamedItems(name); | |
unsigned length = collection->length(); | |
if (!length) | |
return jsUndefined(); | |
if (length == 1) { | |
Node* node = collection->firstItem(); | |
Frame* frame; | |
if (node->hasTagName(iframeTag) && (frame = static_cast<HTMLIFrameElement*>(node)->contentFrame())) | |
return toJS(exec, frame); | |
return toJS(exec, node); | |
} | |
return toJS(exec, collection.get()); | |
} | |
// Custom attributes | |
JSValue JSHTMLDocument::all(ExecState* exec) const | |
{ | |
// If "all" has been overwritten, return the overwritten value | |
JSValue v = getDirect(Identifier(exec, "all")); | |
if (v) | |
return v; | |
return toJS(exec, static_cast<HTMLDocument*>(impl())->all().get()); | |
} | |
void JSHTMLDocument::setAll(ExecState* exec, JSValue value) | |
{ | |
// Add "all" to the property map. | |
putDirect(Identifier(exec, "all"), value); | |
} | |
// Custom functions | |
JSValue JSHTMLDocument::open(ExecState* exec, const ArgList& args) | |
{ | |
// For compatibility with other browsers, pass open calls with more than 2 parameters to the window. | |
if (args.size() > 2) { | |
Frame* frame = static_cast<HTMLDocument*>(impl())->frame(); | |
if (frame) { | |
JSDOMWindowShell* wrapper = toJSDOMWindowShell(frame, currentWorld(exec)); | |
if (wrapper) { | |
JSValue function = wrapper->get(exec, Identifier(exec, "open")); | |
CallData callData; | |
CallType callType = function.getCallData(callData); | |
if (callType == CallTypeNone) | |
return throwError(exec, TypeError); | |
return JSC::call(exec, function, callType, callData, wrapper, args); | |
} | |
} | |
return jsUndefined(); | |
} | |
// document.open clobbers the security context of the document and | |
// aliases it with the active security context. | |
Document* activeDocument = asJSDOMWindow(exec->lexicalGlobalObject())->impl()->document(); | |
// In the case of two parameters or fewer, do a normal document open. | |
static_cast<HTMLDocument*>(impl())->open(activeDocument); | |
return this; | |
} | |
enum NewlineRequirement { DoNotAddNewline, DoAddNewline }; | |
static inline void documentWrite(ExecState* exec, const ArgList& args, HTMLDocument* document, NewlineRequirement addNewline) | |
{ | |
// DOM only specifies single string argument, but browsers allow multiple or no arguments. | |
size_t size = args.size(); | |
UString firstString = args.at(0).toString(exec); | |
SegmentedString segmentedString = String(firstString); | |
if (size != 1) { | |
if (!size) | |
segmentedString.clear(); | |
else { | |
for (size_t i = 1; i < size; ++i) { | |
UString subsequentString = args.at(i).toString(exec); | |
segmentedString.append(SegmentedString(String(subsequentString))); | |
} | |
} | |
} | |
if (addNewline) | |
segmentedString.append(SegmentedString(&newlineCharacter, 1)); | |
Document* activeDocument = asJSDOMWindow(exec->lexicalGlobalObject())->impl()->document(); | |
document->write(segmentedString, activeDocument); | |
} | |
JSValue JSHTMLDocument::write(ExecState* exec, const ArgList& args) | |
{ | |
documentWrite(exec, args, static_cast<HTMLDocument*>(impl()), DoNotAddNewline); | |
return jsUndefined(); | |
} | |
JSValue JSHTMLDocument::writeln(ExecState* exec, const ArgList& args) | |
{ | |
documentWrite(exec, args, static_cast<HTMLDocument*>(impl()), DoAddNewline); | |
return jsUndefined(); | |
} | |
} // namespace WebCore |