diff options
Diffstat (limited to 'tdehtml/misc/stringit.cpp')
-rw-r--r-- | tdehtml/misc/stringit.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/tdehtml/misc/stringit.cpp b/tdehtml/misc/stringit.cpp new file mode 100644 index 000000000..f4bea427f --- /dev/null +++ b/tdehtml/misc/stringit.cpp @@ -0,0 +1,138 @@ +/* + 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 tdehtml { + +uint TokenizerString::length() const +{ + uint length = m_currentString.m_length; + if (!m_pushedChar1.isNull()) { + ++length; + if (!m_pushedChar2.isNull()) + ++length; + } + if (m_composite) { + TQValueListConstIterator<TokenizerSubstring> i = m_substrings.begin(); + TQValueListConstIterator<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) { + TQValueListConstIterator<TokenizerSubstring> i = s.m_substrings.begin(); + TQValueListConstIterator<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) { + TQValueListConstIterator<TokenizerSubstring> i = s.m_substrings.fromLast(); + TQValueListConstIterator<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(); + } +} + +TQString TokenizerString::toString() const +{ + TQString result; + if (!m_pushedChar1.isNull()) { + result.append(m_pushedChar1); + if (!m_pushedChar2.isNull()) + result.append(m_pushedChar2); + } + m_currentString.appendTo(result); + if (m_composite) { + TQValueListConstIterator<TokenizerSubstring> i = m_substrings.begin(); + TQValueListConstIterator<TokenizerSubstring> e = m_substrings.end(); + for (; i != e; ++i) + (*i).appendTo(result); + } + return result; +} + +} |