mirror of
https://invent.kde.org/graphics/okular
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110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; c-brace-offset: 0; -*-
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//
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// C++ Implementation: dvisourcesplitter
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//
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// Author: Jeroen Wijnhout <Jeroen.Wijnhout@kdemail.net>, (C) 2004
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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#include <config.h>
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#include "debug_dvi.h"
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#include "dvisourcesplitter.h"
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#include <QDir>
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//#define DEBUG_SOURCESPLITTER
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DVI_SourceFileSplitter::DVI_SourceFileSplitter(const QString &srclink, const QString &dviFile)
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{
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QString filepart = srclink, linepart;
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// if sourcefilename starts with a number
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// then there could be a mix up, i.e. src:123file.tex
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// line 123 and file.tex or line 12 and 3file.tex?
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bool possibleNumberMixUp = false;
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#ifdef DEBUG_SOURCESPLITTER
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qCDebug(OkularDviDebug) << "DVI_SourceSplitter: srclink " << srclink;
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#endif
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// remove src: if necessary
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if (filepart.left(4) == QLatin1String("src:")) {
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filepart = srclink.mid(4);
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}
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// split first
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quint32 max = filepart.length(), i = 0;
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for (i = 0; i < max; ++i) {
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if (!filepart[i].isDigit()) {
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break;
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}
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}
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linepart = filepart.left(i);
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filepart = filepart.mid(i);
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// check for number mix up
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if (filepart[0] != QLatin1Char(' ') && (linepart.length() != 1)) {
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possibleNumberMixUp = true;
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}
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// remove a spaces
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filepart = filepart.trimmed();
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linepart = linepart.trimmed();
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#ifdef DEBUG_SOURCESPLITTER
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qCDebug(OkularDviDebug) << "DVI_SourceSplitter: filepart " << filepart << " linepart " << linepart;
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#endif
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// test if the file exists
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m_fileInfo.setFile(QFileInfo(dviFile).absoluteDir(), filepart);
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bool fiExists = m_fileInfo.exists();
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// if it doesn't exist, but adding ".tex"
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if (!fiExists && QFileInfo::exists(m_fileInfo.absoluteFilePath() + QStringLiteral(".tex"))) {
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m_fileInfo.setFile(m_fileInfo.absoluteFilePath() + QStringLiteral(".tex"));
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}
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// if that doesn't help either, perhaps the file started with a
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// number: move the numbers from the sourceline to the filename
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// one by one (also try to add .tex repeatedly)
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if (possibleNumberMixUp && !fiExists) {
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QFileInfo tempInfo(m_fileInfo);
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QString tempFileName = tempInfo.fileName();
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quint32 index, maxindex = linepart.length();
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bool found = false;
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for (index = 1; index < maxindex; ++index) {
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tempInfo.setFile(linepart.right(index) + tempFileName);
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#ifdef DEBUG_SOURCESPLITTER
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qCDebug(OkularDviDebug) << "DVI_SourceSplitter: trying " << tempInfo.fileName();
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#endif
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if (tempInfo.exists()) {
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found = true;
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break;
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}
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tempInfo.setFile(linepart.right(index) + tempFileName + QStringLiteral(".tex"));
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#ifdef DEBUG_SOURCESPLITTER
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qCDebug(OkularDviDebug) << "DVI_SourceSplitter: trying " << tempInfo.fileName();
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#endif
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if (tempInfo.exists()) {
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found = true;
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break;
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}
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}
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if (found) {
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m_fileInfo = tempInfo;
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linepart = linepart.left(maxindex - index);
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}
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}
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bool ok;
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m_line = linepart.toInt(&ok);
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if (!ok) {
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m_line = 0;
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}
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#ifdef DEBUG_SOURCESPLITTER
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qCDebug(OkularDviDebug) << "DVI_SourceSplitter: result: file " << m_fileInfo.absoluteFilePath() << " line " << m_line;
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#endif
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}
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