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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "core/svg/SVGStringList.h"
#include "core/svg/SVGElement.h"
#include "core/svg/SVGParserUtilities.h"
#include "wtf/text/StringBuilder.h"
namespace WebCore {
SVGStringList::SVGStringList()
: SVGPropertyBase(classType())
{
}
SVGStringList::~SVGStringList()
{
}
void SVGStringList::initialize(const String& item)
{
m_values.clear();
m_values.append(item);
}
String SVGStringList::getItem(size_t index, ExceptionState& exceptionState)
{
if (!checkIndexBound(index, exceptionState))
return String();
return m_values.at(index);
}
void SVGStringList::insertItemBefore(const String& newItem, size_t index)
{
// Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
if (index > m_values.size())
index = m_values.size();
// Spec: Inserts a new item into the list at the specified position. The index of the item before which the new item is to be
// inserted. The first item is number 0. If the index is equal to 0, then the new item is inserted at the front of the list.
m_values.insert(index, newItem);
}
String SVGStringList::removeItem(size_t index, ExceptionState& exceptionState)
{
if (!checkIndexBound(index, exceptionState))
return String();
String oldItem = m_values.at(index);
m_values.remove(index);
return oldItem;
}
void SVGStringList::appendItem(const String& newItem)
{
m_values.append(newItem);
}
void SVGStringList::replaceItem(const String& newItem, size_t index, ExceptionState& exceptionState)
{
if (!checkIndexBound(index, exceptionState))
return;
// Update the value at the desired position 'index'.
m_values[index] = newItem;
}
template<typename CharType>
void SVGStringList::parseInternal(const CharType*& ptr, const CharType* end)
{
const UChar delimiter = ' ';
while (ptr < end) {
const CharType* start = ptr;
while (ptr < end && *ptr != delimiter && !isHTMLSpace<CharType>(*ptr))
ptr++;
if (ptr == start)
break;
m_values.append(String(start, ptr - start));
skipOptionalSVGSpacesOrDelimiter(ptr, end, delimiter);
}
}
PassRefPtr<SVGStringList> SVGStringList::clone()
{
RefPtr<SVGStringList> svgStringList = create();
svgStringList->m_values = m_values;
return svgStringList.release();
}
void SVGStringList::setValueAsString(const String& data, ExceptionState&)
{
// FIXME: Add more error checking and reporting.
m_values.clear();
if (data.isEmpty())
return;
if (data.is8Bit()) {
const LChar* ptr = data.characters8();
const LChar* end = ptr + data.length();
parseInternal(ptr, end);
} else {
const UChar* ptr = data.characters16();
const UChar* end = ptr + data.length();
parseInternal(ptr, end);
}
}
PassRefPtr<SVGPropertyBase> SVGStringList::cloneForAnimation(const String& string) const
{
RefPtr<SVGStringList> svgStringList = create();
svgStringList->setValueAsString(string, IGNORE_EXCEPTION);
return svgStringList.release();
}
String SVGStringList::valueAsString() const
{
StringBuilder builder;
Vector<String>::const_iterator it = m_values.begin();
Vector<String>::const_iterator itEnd = m_values.end();
if (it != itEnd) {
builder.append(*it);
++it;
for (; it != itEnd; ++it) {
builder.append(' ');
builder.append(*it);
}
}
return builder.toString();
}
bool SVGStringList::checkIndexBound(size_t index, ExceptionState& exceptionState)
{
if (index >= m_values.size()) {
exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexExceedsMaximumBound("index", index, m_values.size()));
return false;
}
return true;
}
void SVGStringList::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement* contextElement)
{
// SVGStringList is never animated.
ASSERT_NOT_REACHED();
}
void SVGStringList::calculateAnimatedValue(SVGAnimationElement*, float, unsigned, PassRefPtr<SVGPropertyBase>, PassRefPtr<SVGPropertyBase>, PassRefPtr<SVGPropertyBase>, SVGElement*)
{
// SVGStringList is never animated.
ASSERT_NOT_REACHED();
}
float SVGStringList::calculateDistance(PassRefPtr<SVGPropertyBase>, SVGElement*)
{
// SVGStringList is never animated.
ASSERT_NOT_REACHED();
return -1.0f;
}
}
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