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/*
* 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 "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 "DocumentParser.h"
#include <runtime/Error.h>
#include <runtime/JSCell.h>
#include <wtf/unicode/CharacterNames.h>
using namespace JSC;
namespace WebCore {
using namespace HTMLNames;
bool JSHTMLDocument::canGetItemsForName(ExecState*, HTMLDocument* document, const Identifier& propertyName)
{
AtomicStringImpl* atomicPropertyName = findAtomicString(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 = identifierToString(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(exec->globalData(), 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(exec->globalData(), Identifier(exec, "all"), value);
}
// Custom functions
JSValue JSHTMLDocument::open(ExecState* exec)
{
// For compatibility with other browsers, pass open calls with more than 2 parameters to the window.
if (exec->argumentCount() > 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 = ::getCallData(function, callData);
if (callType == CallTypeNone)
return throwTypeError(exec);
return JSC::call(exec, function, callType, callData, wrapper, ArgList(exec));
}
}
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, HTMLDocument* document, NewlineRequirement addNewline)
{
// DOM only specifies single string argument, but browsers allow multiple or no arguments.
size_t size = exec->argumentCount();
UString firstString = exec->argument(0).toString(exec);
SegmentedString segmentedString = ustringToString(firstString);
if (size != 1) {
if (!size)
segmentedString.clear();
else {
for (size_t i = 1; i < size; ++i) {
UString subsequentString = exec->argument(i).toString(exec);
segmentedString.append(SegmentedString(ustringToString(subsequentString)));
}
}
}
if (addNewline)
segmentedString.append(SegmentedString(String(&newlineCharacter, 1)));
Document* activeDocument = asJSDOMWindow(exec->lexicalGlobalObject())->impl()->document();
document->write(segmentedString, activeDocument);
}
JSValue JSHTMLDocument::write(ExecState* exec)
{
documentWrite(exec, static_cast<HTMLDocument*>(impl()), DoNotAddNewline);
return jsUndefined();
}
JSValue JSHTMLDocument::writeln(ExecState* exec)
{
documentWrite(exec, static_cast<HTMLDocument*>(impl()), DoAddNewline);
return jsUndefined();
}
} // namespace WebCore
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