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/*
This file is part of the KDE libraries
Copyright (C) 2004 Apple Computer
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 "stringit.h"
namespace khtml {
uint TokenizerString::length() const
{
uint length = m_currentString.m_length;
if (!m_pushedChar1.isNull()) {
++length;
if (!m_pushedChar2.isNull())
++length;
}
if (m_composite) {
QValueListConstIterator<TokenizerSubstring> i = m_substrings.begin();
QValueListConstIterator<TokenizerSubstring> e = m_substrings.end();
for (; i != e; ++i)
length += (*i).m_length;
}
return length;
}
void TokenizerString::clear()
{
m_pushedChar1 = 0;
m_pushedChar2 = 0;
m_currentChar = 0;
m_currentString.clear();
m_substrings.clear();
m_lines = 0;
m_composite = false;
}
void TokenizerString::append(const TokenizerSubstring &s)
{
if (s.m_length) {
if (!m_currentString.m_length) {
m_currentString = s;
} else {
m_substrings.append(s);
m_composite = true;
}
}
}
void TokenizerString::prepend(const TokenizerSubstring &s)
{
assert(!escaped());
if (s.m_length) {
if (!m_currentString.m_length)
m_currentString = s;
else {
// Shift our m_currentString into our list.
m_substrings.prepend(m_currentString);
m_currentString = s;
m_composite = true;
}
}
}
void TokenizerString::append(const TokenizerString &s)
{
assert(!s.escaped());
append(s.m_currentString);
if (s.m_composite) {
QValueListConstIterator<TokenizerSubstring> i = s.m_substrings.begin();
QValueListConstIterator<TokenizerSubstring> e = s.m_substrings.end();
for (; i != e; ++i)
append(*i);
}
m_currentChar = m_pushedChar1.isNull() ? m_currentString.m_current : &m_pushedChar1;
}
void TokenizerString::prepend(const TokenizerString &s)
{
assert(!escaped());
assert(!s.escaped());
if (s.m_composite) {
QValueListConstIterator<TokenizerSubstring> i = s.m_substrings.fromLast();
QValueListConstIterator<TokenizerSubstring> e = s.m_substrings.end();
for (; i != e; --i)
prepend(*i);
}
prepend(s.m_currentString);
m_currentChar = m_pushedChar1.isNull() ? m_currentString.m_current : &m_pushedChar1;
}
void TokenizerString::advanceSubstring()
{
if (m_composite) {
m_currentString = m_substrings.first();
m_substrings.remove(m_substrings.begin());
if (m_substrings.isEmpty())
m_composite = false;
} else {
m_currentString.clear();
}
}
QString TokenizerString::toString() const
{
QString result;
if (!m_pushedChar1.isNull()) {
result.append(m_pushedChar1);
if (!m_pushedChar2.isNull())
result.append(m_pushedChar2);
}
m_currentString.appendTo(result);
if (m_composite) {
QValueListConstIterator<TokenizerSubstring> i = m_substrings.begin();
QValueListConstIterator<TokenizerSubstring> e = m_substrings.end();
for (; i != e; ++i)
(*i).appendTo(result);
}
return result;
}
}
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