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401 lines
12 KiB
401 lines
12 KiB
/***************************************************************************
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* Copyright (C) 2002 by Bernd Gehrmann *
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* bernd@kdevelop.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "texttoolswidget.h"
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#include <tqheader.h>
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#include <tqregexp.h>
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#include <tqtimer.h>
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#include <kdebug.h>
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#include <tdelocale.h>
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#include <tdeparts/part.h>
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#include <tdepopupmenu.h>
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#include <tdetexteditor/viewcursorinterface.h>
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#include <tdetexteditor/selectioninterface.h>
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#include <tdetexteditor/editinterface.h>
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#include "kdevmainwindow.h"
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#include "kdevpartcontroller.h"
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#include "texttoolspart.h"
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class TextStructItem : public TQListViewItem
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{
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public:
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TextStructItem(TQListView *parent)
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: TQListViewItem(parent)
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{}
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TextStructItem(TQListViewItem *parent)
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: TQListViewItem(parent)
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{
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TQListViewItem *item = this;
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while (item->nextSibling())
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item = item->nextSibling();
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if (item != this)
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moveItem(item);
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}
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TQString text(int) const
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{
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return extra.isNull()? tag : TQString("%1: %2").arg(tag).arg(extra);
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}
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TextStructItem *parentStructItem()
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{ return static_cast<TextStructItem*>(parent()); }
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TQString tag;
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TQString extra;
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int pos;
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int endpos;
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};
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TextToolsWidget::TextToolsWidget(TextToolsPart *part, TQWidget *parent, const char *name)
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: TDEListView(parent, name)
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{
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setResizeMode(TQListView::LastColumn);
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setSorting(-1);
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header()->hide();
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addColumn(TQString());
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m_part = part;
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m_timer = new TQTimer(this);
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connect( this, TQT_SIGNAL(mouseButtonPressed(int, TQListViewItem*, const TQPoint&, int)),
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this, TQT_SLOT(slotItemPressed(int,TQListViewItem*)) );
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// connect( this, TQT_SIGNAL(doubleClicked(TQListViewItem*)),
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// this, TQT_SLOT(slotItemPressed(int,TQListViewItem*)) );
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connect( this, TQT_SIGNAL(returnPressed(TQListViewItem*)),
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this, TQT_SLOT(slotReturnPressed(TQListViewItem*)) );
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connect( this, TQT_SIGNAL(contextMenu(TDEListView*, TQListViewItem*, const TQPoint&)),
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this, TQT_SLOT(slotContextMenu(TDEListView*, TQListViewItem*, const TQPoint&)) );
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}
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TextToolsWidget::~TextToolsWidget()
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{}
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void TextToolsWidget::slotItemPressed(int button, TQListViewItem *item)
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{
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if (!item)
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return;
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TextStructItem *tsitem = static_cast<TextStructItem*>(item);
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int searchedPos = tsitem->pos;
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int searchedEndpos = tsitem->endpos;
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kdDebug(9030) << "Searched pos " << searchedPos << ", " << searchedEndpos << endl;
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int endline = 0;
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int endcol = 0;
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int line = 0;
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int col = 0;
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int len = m_cachedText.length();
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int pos = 0;
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while (pos < len) {
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if (pos == searchedPos) {
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line = endline;
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col = endcol;
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}
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if (pos == searchedEndpos)
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break;
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TQChar ch = m_cachedText[pos];
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if (ch == '\n') {
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++endline;
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endcol = 0;
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} else {
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++endcol;
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}
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++pos;
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}
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KParts::Part *rwpart
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= dynamic_cast<KParts::Part*>(m_part->partController()->activePart());
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TQWidget *view = m_part->partController()->activeWidget();
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KTextEditor::ViewCursorInterface *cursorIface
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= dynamic_cast<KTextEditor::ViewCursorInterface*>(view);
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if (cursorIface) {
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kdDebug(9030) << "set cursor " << line << ", " << col << endl;
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cursorIface->setCursorPosition(line, col);
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}
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if (button == TQt::MidButton) {
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KTextEditor::SelectionInterface *selectionIface
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= dynamic_cast<KTextEditor::SelectionInterface*>(rwpart);
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if (selectionIface) {
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kdDebug(9030) << "set selection " << line << ", " << col
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<< ", " << endline << ", " << endcol << endl;
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selectionIface->setSelection((int)line, (int)col, (int)endline, (int)endcol+1);
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}
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}
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m_part->mainWindow()->lowerView(this);
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}
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void TextToolsWidget::slotReturnPressed(TQListViewItem *item)
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{
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slotItemPressed(TQt::LeftButton, item);
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}
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void TextToolsWidget::slotContextMenu(TDEListView *, TQListViewItem *item, const TQPoint &)
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{
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if (!item)
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return;
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#if 0
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TDEPopupMenu popup(i18n("Text Structure"), this);
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popup.exec(p);
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#endif
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}
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void TextToolsWidget::stop()
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{
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disconnect( m_timer );
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m_relevantTags.clear();
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m_emptyTags.clear();
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m_cachedText = TQString();
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}
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void TextToolsWidget::setMode(Mode mode, KParts::Part *part)
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{
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connect( part, TQT_SIGNAL(textChanged()),
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this, TQT_SLOT(startTimer()) );
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m_editIface = dynamic_cast<KTextEditor::EditInterface*>(part);
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switch (mode) {
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case HTML:
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m_relevantTags << "h1" << "h2" << "h3" << "h4"
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<< "table" << "tr";
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m_emptyTags << "br" << "hr" << "img" << "input" << "p" << "meta";
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connect( m_timer, TQT_SIGNAL(timeout()),
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this, TQT_SLOT(parseXML()) );
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break;
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case Docbook:
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m_relevantTags << "chapter" << "sect1" << "sect2"
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<< "para" << "formalpara";
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connect( m_timer, TQT_SIGNAL(timeout()),
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this, TQT_SLOT(parseXML()) );
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break;
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case LaTeX:
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connect( m_timer, TQT_SIGNAL(timeout()),
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this, TQT_SLOT(parseLaTeX()) );
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break;
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default: ;
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}
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m_timer->start(0, true);
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}
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void TextToolsWidget::startTimer()
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{
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kdDebug(9030) << "Starting parse timer" << endl;
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m_timer->start(1000, true);
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}
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void TextToolsWidget::parseXML()
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{
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kdDebug(9030) << "Starting to parse XML" << endl;
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clear();
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TQString text = m_editIface->text();
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m_cachedText = text;
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TextStructItem *currentItem = new TextStructItem(this);
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currentItem->tag = "Root";
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currentItem->pos = -1;
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currentItem->endpos = -1;
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int len = text.length();
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for (int pos=0; pos+1 < len; ++pos) {
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TQChar ch1 = text[pos];
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TQChar ch2 = text[pos+1];
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if (ch1 == '<' && ch2 == '?') {
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// PHP and other similar stuff
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TQString tag;
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int endpos = pos+2;
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bool foundspace = false;
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while (endpos+1 < len) {
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TQChar ch3 = text[endpos];
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TQChar ch4 = text[endpos+1];
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if ((ch3 == ' ' || ch3 == '\t' || ch3 == '\n') && !foundspace) {
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tag = text.mid(pos+2, endpos-pos-2).lower();
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foundspace = true;
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} else if (ch3 == '?' && ch4 == '>') {
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if (!foundspace)
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tag = text.mid(pos+2, endpos-pos-2).lower();
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break;
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}
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++endpos;
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}
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TextStructItem *item = new TextStructItem(currentItem);
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item->tag = "<?" + tag + "?>";
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item->pos = pos;
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item->endpos = endpos+1;
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pos = endpos+1;
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} else if (ch1 == '<' && ch2 == '!') {
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// Processing instructions like !DOCTYPE
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TQString tag;
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int endpos = pos+2;
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bool foundspace = false;
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while (endpos+1 < len) {
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TQChar ch3 = text[endpos];
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if ((ch3 == ' ' || ch3 == '\t' || ch3 == '\n') && !foundspace) {
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tag = text.mid(pos+2, endpos-pos-2).lower();
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foundspace = true;
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} else if (ch3 == '>') {
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if (!foundspace)
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tag = text.mid(pos+2, endpos-pos-2).lower();
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break;
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}
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++endpos;
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}
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TextStructItem *item = new TextStructItem(currentItem);
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item->tag = "<!" + tag + ">";
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item->pos = pos;
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item->endpos = endpos+1;
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pos = endpos+1;
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} else if (ch1 == '<' && ch2 == '/') {
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TQString tag;
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int endpos = pos+2;
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while (endpos < len) {
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TQChar ch3 = text[endpos];
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if (ch3 == '>') {
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tag = text.mid(pos+2, endpos-pos-2).lower();
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break;
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}
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++endpos;
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}
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if (!m_relevantTags.contains(tag)) {
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pos = endpos;
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continue;
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}
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TextStructItem *closingItem = currentItem;
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while (closingItem->parent() && closingItem->tag != tag)
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closingItem = closingItem->parentStructItem();
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if (closingItem->parent()) {
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closingItem->endpos = endpos;
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currentItem = closingItem->parentStructItem();
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} else {
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kdDebug(9030) << "found no opening tag " << tag << "." << endl;
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}
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pos = endpos;
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} else if (ch1 == '<') {
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TQString tag;
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int endpos = pos+1;
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bool foundspace = false;
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while (endpos < len) {
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TQChar ch3 = text[endpos];
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if ((ch3 == ' ' || ch3 == '\t' || ch3 == '\n') && !foundspace) {
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tag = text.mid(pos+1, endpos-pos-1).lower();
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foundspace = true;
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} else if (ch3 == '>') {
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if (!foundspace) {
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tag = text.mid(pos+1, endpos-pos-1).lower();
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}
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break;
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}
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++endpos;
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}
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if (!m_relevantTags.contains(tag)) {
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pos = endpos;
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continue;
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}
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TextStructItem *item = new TextStructItem(currentItem);
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item->tag = tag;
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item->pos = pos;
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item->endpos = -1;
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if (m_emptyTags.contains(tag))
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item->endpos = endpos;
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else
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currentItem = item;
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pos = endpos;
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}
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}
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// firstChild()->setOpen(true);
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TQListViewItemIterator it(this);
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for (; it.current(); ++it)
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it.current()->setOpen(true);
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}
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void TextToolsWidget::parseLaTeX()
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{
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kdDebug(9030) << "Starting to parse LaTeX" << endl;
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clear();
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TQString text = m_editIface->text();
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m_cachedText = text;
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TextStructItem *currentItem = new TextStructItem(this);
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currentItem->tag = "Root";
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currentItem->pos = -1;
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currentItem->endpos = -1;
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TQString hierarchyLevels = "Root,chapter,section,subsection,subsubsection";
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TQRegExp re("\n[ \t]*s*\\\\(chapter|section|subsection|subsubsection)\\{([^}]*)\\}");
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int pos=0;
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for (;;) {
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pos = re.search(text, pos);
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if (pos == -1)
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break;
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TQString tag = re.cap(1);
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TQString title = re.cap(2);
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kdDebug(9030) << "Match with " << tag << " and title " << title << endl;
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int level = hierarchyLevels.find(tag);
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while (currentItem->parent() && level <= hierarchyLevels.find(currentItem->tag))
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currentItem = currentItem->parentStructItem();
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TextStructItem *item = new TextStructItem(currentItem);
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item->tag = tag;
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item->extra = title;
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item->pos = pos+1;
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item->endpos = pos+re.matchedLength()-1; // lie
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if (level > hierarchyLevels.find(currentItem->tag))
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currentItem = item;
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pos = pos+re.matchedLength();
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}
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TQListViewItemIterator it(this);
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for (; it.current(); ++it)
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it.current()->setOpen(true);
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}
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#include "texttoolswidget.moc"
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