1 files changed, 138 insertions, 0 deletions
diff --git a/khtml/misc/stringit.cpp b/khtml/misc/stringit.cpp
new file mode 100644
index 000000000..5dbe857be
--- /dev/null
+++ b/khtml/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 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;
+}
+
+}