diff --git a/src/LineRef.h b/src/LineRef.h index ac6a000..7379133 100644 --- a/src/LineRef.h +++ b/src/LineRef.h @@ -1,60 +1,69 @@ /** * * Copyright (C) 2018 Michael Reeves * * This file is part of Kdiff3. * * Kdiff3 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * Kdiff3 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Kdiff3. If not, see . * */ #ifndef LINEREF_H #define LINEREF_H #include #include #include +#define TYPE_MAX(x) std::numeric_limits::max() class LineRef { public: typedef qint32 LineType; - LineRef() = default; - LineRef(const LineType i) { mLineNumber = i; } - operator LineType() const { return mLineNumber; } + inline LineRef() = default; + inline LineRef(const LineType i) { mLineNumber = i; } + inline LineRef(const qint64 i) + { + if(i <= TYPE_MAX(LineType)) + mLineNumber = (LineType)i; + else + mLineNumber = -1; + } + inline operator LineType() const { return mLineNumber; } inline void operator= (const LineType lineIn) { mLineNumber = lineIn; } inline LineRef& operator+=(const LineType& inLine) { mLineNumber += inLine; return *this; }; - void invalidate() { mLineNumber = -1; } - bool isValid() const { return mLineNumber != -1; } + inline void invalidate() { mLineNumber = -1; } + inline bool isValid() const { return mLineNumber != -1; } private: LineType mLineNumber = -1; }; -static_assert(std::is_copy_constructible::value, ""); -static_assert(std::is_copy_assignable::value, ""); -static_assert(std::is_move_constructible::value, ""); -static_assert(std::is_move_assignable::value, ""); -static_assert(std::is_convertible::value, ""); -static_assert(std::is_convertible::value, ""); +static_assert(std::is_copy_constructible::value, "LineRef must be copt constuctible."); +static_assert(std::is_copy_assignable::value, "LineRef must copy assignable."); +static_assert(std::is_move_constructible::value, "LineRef must be move constructible."); +static_assert(std::is_move_assignable::value, "LineRef not must be move assignable."); +static_assert(std::is_convertible::value, "Can not convert LineRef to int."); +static_assert(std::is_convertible::value, "Can not convert int to LineRef."); typedef LineRef::LineType LineCount; typedef size_t PtrDiffRef; typedef LineRef::LineType LineIndex; #endif + diff --git a/src/SourceData.cpp b/src/SourceData.cpp index 11bbb63..02aa541 100644 --- a/src/SourceData.cpp +++ b/src/SourceData.cpp @@ -1,937 +1,937 @@ /*************************************************************************** * Copyright (C) 2003-2007 by Joachim Eibl * * Copyright (C) 2018 Michael Reeves reeves.87@gmail.com * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * ***************************************************************************/ /* Features of class SourceData: - Read a file (from the given URL) or accept data via a string. - Allocate and free buffers as necessary. - Run a preprocessor, when specified. - Run the line-matching preprocessor, when specified. - Run other preprocessing steps: Uppercase, ignore comments, remove carriage return, ignore numbers. Order of operation: 1. If data was given via a string then save it to a temp file. (see setData()) 2. If the specified file is nonlocal (URL) copy it to a temp file. 3. If a preprocessor was specified, run the input file through it. 4. Read the output of the preprocessor. 5. If Uppercase was specified: Turn the read data to uppercase. 6. Write the result to a temp file. 7. If a line-matching preprocessor was specified, run the temp file through it. 8. Read the output of the line-matching preprocessor. 9. If ignore numbers was specified, strip the LMPP-output of all numbers. 10. If ignore comments was specified, strip the LMPP-output of comments. Optimizations: Skip unneeded steps. */ #include "SourceData.h" #include "Utils.h" #include "diff.h" #include #include #include #include #include #include #include SourceData::SourceData() { m_pOptions = nullptr; reset(); } SourceData::~SourceData() { reset(); } void SourceData::reset() { m_pEncoding = nullptr; m_fileAccess = FileAccess(); m_normalData.reset(); m_lmppData.reset(); if(!m_tempInputFileName.isEmpty()) { m_tempFile.remove(); m_tempInputFileName = ""; } } void SourceData::setFilename(const QString& filename) { if(filename.isEmpty()) { reset(); } else { FileAccess fa(filename); setFileAccess(fa); } } bool SourceData::isEmpty() { return getFilename().isEmpty(); } bool SourceData::hasData() { return m_normalData.m_pBuf != nullptr; } bool SourceData::isValid() { return isEmpty() || hasData(); } void SourceData::setOptions(Options* pOptions) { m_pOptions = pOptions; } QString SourceData::getFilename() { return m_fileAccess.absoluteFilePath(); } QString SourceData::getAliasName() { return m_aliasName.isEmpty() ? m_fileAccess.prettyAbsPath() : m_aliasName; } void SourceData::setAliasName(const QString& name) { m_aliasName = name; } void SourceData::setFileAccess(const FileAccess& fileAccess) { m_fileAccess = fileAccess; m_aliasName = QString(); if(!m_tempInputFileName.isEmpty()) { m_tempFile.remove(); m_tempInputFileName = ""; } } void SourceData::setEncoding(QTextCodec* pEncoding) { m_pEncoding = pEncoding; } QStringList SourceData::setData(const QString& data) { QStringList errors; // Create a temp file for preprocessing: if(m_tempInputFileName.isEmpty()) { FileAccess::createTempFile(m_tempFile); m_tempInputFileName = m_tempFile.fileName(); } FileAccess f(m_tempInputFileName); QByteArray ba = QTextCodec::codecForName("UTF-8")->fromUnicode(data); bool bSuccess = f.writeFile(ba.constData(), ba.length()); if(!bSuccess) { errors.append(i18n("Writing clipboard data to temp file failed.")); } else { m_aliasName = i18n("From Clipboard"); m_fileAccess = FileAccess(""); // Effect: m_fileAccess.isValid() is false } return errors; } const LineData* SourceData::getLineDataForDiff() const { if(m_lmppData.m_pBuf == nullptr) return m_normalData.m_v.size() > 0 ? &m_normalData.m_v[0] : nullptr; else return m_lmppData.m_v.size() > 0 ? &m_lmppData.m_v[0] : nullptr; } const LineData* SourceData::getLineDataForDisplay() const { return m_normalData.m_v.size() > 0 ? &m_normalData.m_v[0] : nullptr; } LineRef SourceData::getSizeLines() const { - return (LineRef::LineType)(m_normalData.m_vSize); + return (LineRef)(m_normalData.m_vSize); } qint64 SourceData::getSizeBytes() const { return m_normalData.m_size; } const char* SourceData::getBuf() const { return m_normalData.m_pBuf; } const QString& SourceData::getText() const { return m_normalData.m_unicodeBuf; } bool SourceData::isText() { return m_normalData.isText(); } bool SourceData::isIncompleteConversion() { return m_normalData.m_bIncompleteConversion; } bool SourceData::isFromBuffer() { return !m_fileAccess.isValid(); } bool SourceData::isBinaryEqualWith(const SourceData& other) const { return m_fileAccess.exists() && other.m_fileAccess.exists() && getSizeBytes() == other.getSizeBytes() && (getSizeBytes() == 0 || memcmp(getBuf(), other.getBuf(), getSizeBytes()) == 0); } void SourceData::FileData::reset() { delete[](char*) m_pBuf; m_pBuf = nullptr; m_v.clear(); m_size = 0; m_vSize = 0; m_bIsText = true; m_bIncompleteConversion = false; m_eLineEndStyle = eLineEndStyleUndefined; } bool SourceData::FileData::readFile(FileAccess& file) { reset(); if(file.fileName().isEmpty()) { return true; } //FileAccess fa(filename); if(!file.isNormal()) return true; m_size = file.sizeForReading(); char* pBuf; m_pBuf = pBuf = new char[m_size + 100]; // Alloc 100 byte extra: Safety hack, not nice but does no harm. // Some extra bytes at the end of the buffer are needed by // the diff algorithm. See also GnuDiff::diff_2_files(). bool bSuccess = file.readFile(pBuf, m_size); if(!bSuccess) { delete[] pBuf; m_pBuf = nullptr; m_size = 0; } return bSuccess; } bool SourceData::FileData::readFile(const QString& filename) { reset(); if(filename.isEmpty()) { return true; } FileAccess fa(filename); if(!fa.isNormal()) return true; m_size = fa.sizeForReading(); char* pBuf; m_pBuf = pBuf = new char[m_size + 100]; // Alloc 100 byte extra: Safety hack, not nice but does no harm. // Some extra bytes at the end of the buffer are needed by // the diff algorithm. See also GnuDiff::diff_2_files(). bool bSuccess = fa.readFile(pBuf, m_size); if(!bSuccess) { delete[] pBuf; m_pBuf = nullptr; m_size = 0; } return bSuccess; } bool SourceData::saveNormalDataAs(const QString& fileName) { return m_normalData.writeFile(fileName); } bool SourceData::FileData::writeFile(const QString& filename) { if(filename.isEmpty()) { return true; } FileAccess fa(filename); bool bSuccess = fa.writeFile(m_pBuf, m_size); return bSuccess; } void SourceData::FileData::copyBufFrom(const FileData& src) { reset(); char* pBuf; m_size = src.m_size; m_pBuf = pBuf = new char[m_size + 100]; Q_ASSERT(src.m_pBuf != nullptr); memcpy(pBuf, src.m_pBuf, m_size); } QTextCodec* SourceData::detectEncoding(const QString& fileName, QTextCodec* pFallbackCodec) { QFile f(fileName); if(f.open(QIODevice::ReadOnly)) { char buf[200]; qint64 size = f.read(buf, sizeof(buf)); qint64 skipBytes = 0; QTextCodec* pCodec = detectEncoding(buf, size, skipBytes); if(pCodec) return pCodec; } return pFallbackCodec; } QStringList SourceData::readAndPreprocess(QTextCodec* pEncoding, bool bAutoDetectUnicode) { m_pEncoding = pEncoding; QTemporaryFile fileIn1, fileOut1; QString fileNameIn1; QString fileNameOut1; QString fileNameIn2; QString fileNameOut2; QStringList errors; if(m_fileAccess.isValid() && !m_fileAccess.isNormal()) { errors.append(i18n("%1 is not a normal file.", m_fileAccess.prettyAbsPath())); return errors; } bool bTempFileFromClipboard = !m_fileAccess.isValid(); // Detect the input for the preprocessing operations if(!bTempFileFromClipboard) { if(m_fileAccess.isLocal()) { fileNameIn1 = m_fileAccess.absoluteFilePath(); } else // File is not local: create a temporary local copy: { if(m_tempInputFileName.isEmpty()) { m_fileAccess.createLocalCopy(); m_tempInputFileName = m_fileAccess.getTempName(); } fileNameIn1 = m_tempInputFileName; } if(bAutoDetectUnicode) { m_pEncoding = detectEncoding(fileNameIn1, pEncoding); } } else // The input was set via setData(), probably from clipboard. { fileNameIn1 = m_tempInputFileName; m_pEncoding = QTextCodec::codecForName("UTF-8"); } QTextCodec* pEncoding1 = m_pEncoding; QTextCodec* pEncoding2 = m_pEncoding; m_normalData.reset(); m_lmppData.reset(); FileAccess faIn(fileNameIn1); qint64 fileInSize = faIn.size(); if(faIn.exists()) { // Run the first preprocessor if(m_pOptions->m_PreProcessorCmd.isEmpty()) { // No preprocessing: Read the file directly: if(!m_normalData.readFile(faIn)) { errors.append(faIn.getStatusText()); return errors; } } else { QTemporaryFile tmpInPPFile; QString fileNameInPP = fileNameIn1; if(pEncoding1 != m_pOptions->m_pEncodingPP) { // Before running the preprocessor convert to the format that the preprocessor expects. FileAccess::createTempFile(tmpInPPFile); fileNameInPP = tmpInPPFile.fileName(); pEncoding1 = m_pOptions->m_pEncodingPP; convertFileEncoding(fileNameIn1, pEncoding, fileNameInPP, pEncoding1); } QString ppCmd = m_pOptions->m_PreProcessorCmd; FileAccess::createTempFile(fileOut1); fileNameOut1 = fileOut1.fileName(); QProcess ppProcess; ppProcess.setStandardInputFile(fileNameInPP); ppProcess.setStandardOutputFile(fileNameOut1); QString program; QStringList args; QString errorReason = Utils::getArguments(ppCmd, program, args); if(errorReason.isEmpty()) { ppProcess.start(program, args); ppProcess.waitForFinished(-1); } else errorReason = "\n(" + errorReason + ')'; bool bSuccess = errorReason.isEmpty() && m_normalData.readFile(fileNameOut1); if(fileInSize > 0 && (!bSuccess || m_normalData.m_size == 0)) { if(!m_normalData.readFile(faIn)) { errors.append(faIn.getStatusText()); errors.append(i18n(" Temp file is: %1", fileNameIn1)); return errors; } //Don't fail the preprocessor command if the file cann't be read. errors.append( i18n("Preprocessing possibly failed. Check this command:\n\n %1" "\n\nThe preprocessing command will be disabled now.", ppCmd) + errorReason); m_pOptions->m_PreProcessorCmd = ""; pEncoding1 = m_pEncoding; } } if(!m_normalData.preprocess(m_pOptions->m_bPreserveCarriageReturn, pEncoding1)) { errors.append(i18n("File %1 too large to process. Skipping.", fileNameIn1)); return errors; } //exit early for non text data further processing assumes a text file as input if(!m_normalData.isText()) return errors; // LineMatching Preprocessor if(!m_pOptions->m_LineMatchingPreProcessorCmd.isEmpty()) { QTemporaryFile tempOut2, fileInPP; fileNameIn2 = fileNameOut1.isEmpty() ? fileNameIn1 : fileNameOut1; QString fileNameInPP = fileNameIn2; pEncoding2 = pEncoding1; if(pEncoding2 != m_pOptions->m_pEncodingPP) { // Before running the preprocessor convert to the format that the preprocessor expects. FileAccess::createTempFile(fileInPP); fileNameInPP = fileInPP.fileName(); pEncoding2 = m_pOptions->m_pEncodingPP; convertFileEncoding(fileNameIn2, pEncoding1, fileNameInPP, pEncoding2); } QString ppCmd = m_pOptions->m_LineMatchingPreProcessorCmd; FileAccess::createTempFile(tempOut2); fileNameOut2 = tempOut2.fileName(); QProcess ppProcess; ppProcess.setStandardInputFile(fileNameInPP); ppProcess.setStandardOutputFile(fileNameOut2); QString program; QStringList args; QString errorReason = Utils::getArguments(ppCmd, program, args); if(errorReason.isEmpty()) { ppProcess.start(program, args); ppProcess.waitForFinished(-1); } else errorReason = "\n(" + errorReason + ')'; bool bSuccess = errorReason.isEmpty() && m_lmppData.readFile(fileNameOut2); if(FileAccess(fileNameIn2).size() > 0 && (!bSuccess || m_lmppData.m_size == 0)) { errors.append( i18n("The line-matching-preprocessing possibly failed. Check this command:\n\n %1" "\n\nThe line-matching-preprocessing command will be disabled now.", ppCmd) + errorReason); m_pOptions->m_LineMatchingPreProcessorCmd = ""; if(!m_lmppData.readFile(fileNameIn2)) { errors.append(i18n("Failed to read file: %1", fileNameIn2)); return errors; } } } else if(m_pOptions->m_bIgnoreComments || m_pOptions->m_bIgnoreCase) { // We need a copy of the normal data. m_lmppData.copyBufFrom(m_normalData); } } if(!m_lmppData.preprocess(false, pEncoding2)) { errors.append(i18n("File %1 too large to process. Skipping.", fileNameIn1)); return errors; } Q_ASSERT(m_lmppData.isText()); //TODO: Needed? if(m_lmppData.m_vSize < m_normalData.m_vSize) { // Preprocessing command may result in smaller data buffer so adjust size m_lmppData.m_v.resize((int)m_normalData.m_vSize); for(qint64 i = m_lmppData.m_vSize; i < m_normalData.m_vSize; ++i) { // Set all empty lines to point to the end of the buffer. m_lmppData.m_v[(int)i].setLine(m_lmppData.m_unicodeBuf.unicode() + m_lmppData.m_unicodeBuf.length()); } m_lmppData.m_vSize = m_normalData.m_vSize; } // Ignore comments if(m_pOptions->m_bIgnoreComments) { m_lmppData.removeComments(); qint64 vSize = std::min(m_normalData.m_vSize, m_lmppData.m_vSize); Q_ASSERT(vSize < std::numeric_limits::max()); for(int i = 0; i < vSize; ++i) { m_normalData.m_v[i].setPureComment(m_lmppData.m_v[i].isPureComment()); //Don't crash if vSize is too large. if(i == std::numeric_limits::max()) break; } } return errors; } /** Prepare the linedata vector for every input line.*/ bool SourceData::FileData::preprocess(bool bPreserveCR, QTextCodec* pEncoding) { qint64 i; // detect line end style QVector vOrigDataLineEndStyle; m_eLineEndStyle = eLineEndStyleUndefined; for(i = 0; i < m_size; ++i) { if(m_pBuf[i] == '\r') { if(i + 1 < m_size && m_pBuf[i + 1] == '\n') // not 16-bit unicode { vOrigDataLineEndStyle.push_back(eLineEndStyleDos); ++i; } else if(i > 0 && i + 2 < m_size && m_pBuf[i - 1] == '\0' && m_pBuf[i + 1] == '\0' && m_pBuf[i + 2] == '\n') // 16-bit unicode { vOrigDataLineEndStyle.push_back(eLineEndStyleDos); i += 2; } else // old mac line end style ? { vOrigDataLineEndStyle.push_back(eLineEndStyleUndefined); const_cast(m_pBuf)[i] = '\n'; // fix it in original data } } else if(m_pBuf[i] == '\n') { vOrigDataLineEndStyle.push_back(eLineEndStyleUnix); } } if(!vOrigDataLineEndStyle.isEmpty()) m_eLineEndStyle = vOrigDataLineEndStyle[0]; qint64 skipBytes = 0; QTextCodec* pCodec = detectEncoding(m_pBuf, m_size, skipBytes); if(pCodec != pEncoding) skipBytes = 0; if(m_size - skipBytes > INT_MAX) return false; QByteArray ba = QByteArray::fromRawData(m_pBuf + skipBytes, (int)(m_size - skipBytes)); QTextStream ts(ba, QIODevice::ReadOnly | QIODevice::Text); ts.setCodec(pEncoding); ts.setAutoDetectUnicode(false); m_unicodeBuf = ts.readAll(); ba.clear(); int ucSize = m_unicodeBuf.length(); const QChar* p = m_unicodeBuf.unicode(); m_bIsText = true; int lines = 1; m_bIncompleteConversion = false; for(i = 0; i < ucSize; ++i) { if(i >= ucSize || p[i] == '\n') { ++lines; } if(p[i].isNull()) { m_bIsText = false; } if(p[i] == QChar::ReplacementCharacter) { m_bIncompleteConversion = true; } } m_v.resize(lines + 5); int lineIdx = 0; int lineLength = 0; bool bNonWhiteFound = false; int whiteLength = 0; for(i = 0; i <= ucSize; ++i) { if(i >= ucSize || p[i] == '\n') { const QChar* pLine = &p[i - lineLength]; m_v[lineIdx].setLine(&p[i - lineLength]); while(/*!bPreserveCR &&*/ lineLength > 0 && m_v[lineIdx].getLine()[lineLength - 1] == '\r') { --lineLength; } m_v[lineIdx].setFirstNonWhiteChar(m_v[lineIdx].getLine() + std::min(whiteLength, lineLength)); if(lineIdx < vOrigDataLineEndStyle.count() && bPreserveCR && i < ucSize) { ++lineLength; const_cast(pLine)[lineLength] = '\r'; //switch ( vOrigDataLineEndStyle[lineIdx] ) //{ //case eLineEndStyleUnix: const_cast(pLine)[lineLength] = '\n'; break; //case eLineEndStyleDos: const_cast(pLine)[lineLength] = '\r'; break; //case eLineEndStyleUndefined: const_cast(pLine)[lineLength] = '\x0b'; break; //} } m_v[lineIdx].setSize(lineLength); lineLength = 0; bNonWhiteFound = false; whiteLength = 0; ++lineIdx; } else { ++lineLength; if(!bNonWhiteFound && isWhite(p[i])) ++whiteLength; else bNonWhiteFound = true; } } Q_ASSERT(lineIdx == lines); m_vSize = lines; return true; } // Must not be entered, when within a comment. // Returns either at a newline-character p[i]=='\n' or when i==size. // A line that contains only comments is still "white". // Comments in white lines must remain, while comments in // non-white lines are overwritten with spaces. void SourceData::FileData::checkLineForComments( const QChar* p, // pointer to start of buffer int& i, // index of current position (in, out) int size, // size of buffer bool& bWhite, // false if this line contains nonwhite characters (in, out) bool& bCommentInLine, // true if any comment is within this line (in, out) bool& bStartsOpenComment // true if the line ends within an comment (out) ) { bStartsOpenComment = false; for(; i < size; ++i) { // A single apostroph ' has prio over a double apostroph " (e.g. '"') // (if not in a string) if(p[i] == '\'') { bWhite = false; ++i; for(; !isLineOrBufEnd(p, i, size) && p[i] != '\''; ++i) ; if(p[i] == '\'') ++i; } // Strings have priority over comments: e.g. "/* Not a comment, but a string. */" else if(p[i] == '"') { bWhite = false; ++i; for(; !isLineOrBufEnd(p, i, size) && !(p[i] == '"' && p[i - 1] != '\\'); ++i) ; if(p[i] == '"') ++i; } // C++-comment else if(p[i] == '/' && i + 1 < size && p[i + 1] == '/') { int commentStart = i; bCommentInLine = true; i += 2; for(; !isLineOrBufEnd(p, i, size); ++i) ; if(!bWhite) { size = i - commentStart; m_unicodeBuf.replace(commentStart, size, QString(" ").repeated(size)); } return; } // C-comment else if(p[i] == '/' && i + 1 < size && p[i + 1] == '*') { int commentStart = i; bCommentInLine = true; i += 2; for(; !isLineOrBufEnd(p, i, size); ++i) { if(i + 1 < size && p[i] == '*' && p[i + 1] == '/') // end of the comment { i += 2; // More comments in the line? checkLineForComments(p, i, size, bWhite, bCommentInLine, bStartsOpenComment); if(!bWhite) { size = i - commentStart; m_unicodeBuf.replace(commentStart, size, QString(" ").repeated(size)); } return; } } bStartsOpenComment = true; return; } if(isLineOrBufEnd(p, i, size)) { return; } else if(!p[i].isSpace()) { bWhite = false; } } } // Modifies the input data, and replaces C/C++ comments with whitespace // when the line contains other data too. If the line contains only // a comment or white data, remember this in the flag bContainsPureComment. void SourceData::FileData::removeComments() { int line = 0; const QChar* p = m_unicodeBuf.unicode(); bool bWithinComment = false; int size = m_unicodeBuf.length(); for(int i = 0; i < size; ++i) { // std::cout << "2 " << std::string(&p[i], m_v[line].size) << std::endl; bool bWhite = true; bool bCommentInLine = false; if(bWithinComment) { int commentStart = i; bCommentInLine = true; for(; !isLineOrBufEnd(p, i, size); ++i) { if(i + 1 < size && p[i] == '*' && p[i + 1] == '/') // end of the comment { i += 2; // More comments in the line? checkLineForComments(p, i, size, bWhite, bCommentInLine, bWithinComment); if(!bWhite) { size = i - commentStart; m_unicodeBuf.replace(commentStart, size, QString(" ").repeated(size)); } break; } } } else { checkLineForComments(p, i, size, bWhite, bCommentInLine, bWithinComment); } // end of line Q_ASSERT(isLineOrBufEnd(p, i, size)); m_v[line].setPureComment(bCommentInLine && bWhite); /* std::cout << line << " : " << ( bCommentInLine ? "c" : " " ) << ( bWhite ? "w " : " ") << std::string(pLD[line].pLine, pLD[line].size) << std::endl;*/ ++line; } } bool SourceData::isLineOrBufEnd(const QChar* p, int i, int size) { return i >= size // End of file || isEndOfLine(p[i]) // Normal end of line // No support for Mac-end of line yet, because incompatible with GNU-diff-routines. // || ( p[i]=='\r' && (i>=size-1 || p[i+1]!='\n') // && (i==0 || p[i-1]!='\n') ) // Special case: '\r' without '\n' ; } // Convert the input file from input encoding to output encoding and write it to the output file. bool SourceData::convertFileEncoding(const QString& fileNameIn, QTextCodec* pCodecIn, const QString& fileNameOut, QTextCodec* pCodecOut) { QFile in(fileNameIn); if(!in.open(QIODevice::ReadOnly)) return false; QTextStream inStream(&in); inStream.setCodec(pCodecIn); inStream.setAutoDetectUnicode(false); QFile out(fileNameOut); if(!out.open(QIODevice::WriteOnly)) return false; QTextStream outStream(&out); outStream.setCodec(pCodecOut); QString data = inStream.readAll(); outStream << data; return true; } QTextCodec* SourceData::getEncodingFromTag(const QByteArray& s, const QByteArray& encodingTag) { int encodingPos = s.indexOf(encodingTag); if(encodingPos >= 0) { int apostrophPos = s.indexOf('"', encodingPos + encodingTag.length()); int apostroph2Pos = s.indexOf('\'', encodingPos + encodingTag.length()); char apostroph = '"'; if(apostroph2Pos >= 0 && (apostrophPos < 0 || apostroph2Pos < apostrophPos)) { apostroph = '\''; apostrophPos = apostroph2Pos; } int encodingEnd = s.indexOf(apostroph, apostrophPos + 1); if(encodingEnd >= 0) // e.g.: or { QByteArray encoding = s.mid(apostrophPos + 1, encodingEnd - (apostrophPos + 1)); return QTextCodec::codecForName(encoding); } else // e.g.: { QByteArray encoding = s.mid(encodingPos + encodingTag.length(), apostrophPos - (encodingPos + encodingTag.length())); return QTextCodec::codecForName(encoding); } } return nullptr; } QTextCodec* SourceData::detectEncoding(const char* buf, qint64 size, qint64& skipBytes) { if(size >= 2) { if(buf[0] == '\xFF' && buf[1] == '\xFE') { skipBytes = 2; return QTextCodec::codecForName("UTF-16LE"); } if(buf[0] == '\xFE' && buf[1] == '\xFF') { skipBytes = 2; return QTextCodec::codecForName("UTF-16BE"); } } if(size >= 3) { if(buf[0] == '\xEF' && buf[1] == '\xBB' && buf[2] == '\xBF') { skipBytes = 3; return QTextCodec::codecForName("UTF-8-BOM"); } } skipBytes = 0; QByteArray s; /* We don't need the whole file here just the header. ] */ if(size <= 5000) s=QByteArray(buf, (int)size); else s=QByteArray(buf, 5000); int xmlHeaderPos = s.indexOf("= 0) { int xmlHeaderEnd = s.indexOf("?>", xmlHeaderPos); if(xmlHeaderEnd >= 0) { QTextCodec* pCodec = getEncodingFromTag(s.mid(xmlHeaderPos, xmlHeaderEnd - xmlHeaderPos), "encoding="); if(pCodec) return pCodec; } } else // HTML { int metaHeaderPos = s.indexOf("= 0) { int metaHeaderEnd = s.indexOf(">", metaHeaderPos); if(metaHeaderEnd >= 0) { QTextCodec* pCodec = getEncodingFromTag(s.mid(metaHeaderPos, metaHeaderEnd - metaHeaderPos), "charset="); if(pCodec) return pCodec; metaHeaderPos = s.indexOf(" * * Copyright (C) 2018 Michael Reeves reeves.87@gmail.com * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/ #include "diff.h" #include "Utils.h" #include "fileaccess.h" #include "gnudiff_diff.h" #include "options.h" #include "progress.h" #include #include #include #include #include #include int LineData::width(int tabSize) const { int w = 0; int j = 0; for(int i = 0; i < size(); ++i) { if(pLine[i] == '\t') { for(j %= tabSize; j < tabSize; ++j) ++w; j = 0; } else { ++w; ++j; } } return w; } // The bStrict flag is true during the test where a nonmatching area ends. // Then the equal()-function requires that the match has more than 2 nonwhite characters. // This is to avoid matches on trivial lines (e.g. with white space only). // This choice is good for C/C++. bool LineData::equal(const LineData& l1, const LineData& l2, bool bStrict) { if(l1.getLine() == nullptr || l2.getLine() == nullptr) return false; if(bStrict && g_bIgnoreTrivialMatches) return false; // Ignore white space diff const QChar* p1 = l1.getLine(); const QChar* p1End = p1 + l1.size(); const QChar* p2 = l2.getLine(); const QChar* p2End = p2 + l2.size(); if(g_bIgnoreWhiteSpace) { int nonWhite = 0; for(;;) { while(isWhite(*p1) && p1 != p1End) ++p1; while(isWhite(*p2) && p2 != p2End) ++p2; if(p1 == p1End && p2 == p2End) { if(bStrict && g_bIgnoreTrivialMatches) { // Then equality is not enough return nonWhite > 2; } else // equality is enough return true; } else if(p1 == p1End || p2 == p2End) return false; if(*p1 != *p2) return false; ++p1; ++p2; ++nonWhite; } } else { return (l1.size() == l2.size() && memcmp(p1, p2, l1.size()) == 0); } } // First step void calcDiff3LineListUsingAB( const DiffList* pDiffListAB, Diff3LineList& d3ll) { // First make d3ll for AB (from pDiffListAB) DiffList::const_iterator i = pDiffListAB->begin(); - int lineA = 0; - int lineB = 0; + LineRef::LineType lineA = 0; + LineRef::LineType lineB = 0; Diff d(0, 0, 0); for(;;) { if(d.nofEquals == 0 && d.diff1 == 0 && d.diff2 == 0) { if(i != pDiffListAB->end()) { d = *i; ++i; } else break; } Diff3Line d3l; if(d.nofEquals > 0) { d3l.bAEqB = true; d3l.setLineA(lineA); d3l.setLineB(lineB); --d.nofEquals; ++lineA; ++lineB; } else if(d.diff1 > 0 && d.diff2 > 0) { d3l.setLineA(lineA); d3l.setLineB(lineB); --d.diff1; --d.diff2; ++lineA; ++lineB; } else if(d.diff1 > 0) { d3l.setLineA(lineA); --d.diff1; ++lineA; } else if(d.diff2 > 0) { d3l.setLineB(lineB); --d.diff2; ++lineB; } Q_ASSERT(d.nofEquals >= 0); d3ll.push_back(d3l); } } // Second step void calcDiff3LineListUsingAC( const DiffList* pDiffListAC, Diff3LineList& d3ll) { //////////////// // Now insert data from C using pDiffListAC DiffList::const_iterator i = pDiffListAC->begin(); Diff3LineList::iterator i3 = d3ll.begin(); - int lineA = 0; - int lineC = 0; + LineRef::LineType lineA = 0; + LineRef::LineType lineC = 0; Diff d(0, 0, 0); for(;;) { if(d.nofEquals == 0 && d.diff1 == 0 && d.diff2 == 0) { if(i != pDiffListAC->end()) { d = *i; ++i; } else break; } Diff3Line d3l; if(d.nofEquals > 0) { // Find the corresponding lineA while(i3->getLineA() != lineA) ++i3; i3->setLineC(lineC); i3->bAEqC = true; i3->bBEqC = i3->isEqualAB(); --d.nofEquals; ++lineA; ++lineC; ++i3; } else if(d.diff1 > 0 && d.diff2 > 0) { d3l.setLineC(lineC); d3ll.insert(i3, d3l); --d.diff1; --d.diff2; ++lineA; ++lineC; } else if(d.diff1 > 0) { --d.diff1; ++lineA; } else if(d.diff2 > 0) { d3l.setLineC(lineC); d3ll.insert(i3, d3l); --d.diff2; ++lineC; } } } // Third step void calcDiff3LineListUsingBC( const DiffList* pDiffListBC, Diff3LineList& d3ll) { //////////////// // Now improve the position of data from C using pDiffListBC // If a line from C equals a line from A then it is in the // same Diff3Line already. // If a line from C equals a line from B but not A, this // information will be used here. DiffList::const_iterator i = pDiffListBC->begin(); Diff3LineList::iterator i3b = d3ll.begin(); Diff3LineList::iterator i3c = d3ll.begin(); - int lineB = 0; - int lineC = 0; + LineRef::LineType lineB = 0; + LineRef::LineType lineC = 0; Diff d(0, 0, 0); for(;;) { if(d.nofEquals == 0 && d.diff1 == 0 && d.diff2 == 0) { if(i != pDiffListBC->end()) { d = *i; ++i; } else break; } Diff3Line d3l; if(d.nofEquals > 0) { // Find the corresponding lineB and lineC while(i3b != d3ll.end() && i3b->getLineB() != lineB) ++i3b; while(i3c != d3ll.end() && i3c->getLineC() != lineC) ++i3c; Q_ASSERT(i3b != d3ll.end()); Q_ASSERT(i3c != d3ll.end()); if(i3b == i3c) { Q_ASSERT(i3b->getLineC() == lineC); i3b->bBEqC = true; } else { // Is it possible to move this line up? // Test if no other B's are used between i3c and i3b // First test which is before: i3c or i3b ? Diff3LineList::iterator i3c1 = i3c; Diff3LineList::iterator i3b1 = i3b; while(i3c1 != i3b && i3b1 != i3c) { Q_ASSERT(i3b1 != d3ll.end() || i3c1 != d3ll.end()); if(i3c1 != d3ll.end()) ++i3c1; if(i3b1 != d3ll.end()) ++i3b1; } if(i3c1 == i3b && !i3b->isEqualAB()) // i3c before i3b { Diff3LineList::iterator i3 = i3c; int nofDisturbingLines = 0; while(i3 != i3b && i3 != d3ll.end()) { if(i3->getLineB().isValid()) ++nofDisturbingLines; ++i3; } if(nofDisturbingLines > 0) //&& nofDisturbingLines < d.nofEquals*d.nofEquals+4 ) { Diff3LineList::iterator i3_last_equal_A = d3ll.end(); i3 = i3c; while(i3 != i3b) { if(i3->isEqualAB()) { i3_last_equal_A = i3; } ++i3; } /* If i3_last_equal_A isn't still set to d3ll.end(), then * we've found a line in A that is equal to one in B * somewhere between i3c and i3b */ bool before_or_on_equal_line_in_A = (i3_last_equal_A != d3ll.end()); // Move the disturbing lines up, out of sight. i3 = i3c; while(i3 != i3b) { if(i3->getLineB().isValid() || (before_or_on_equal_line_in_A && i3->getLineA().isValid())) { d3l.setLineB(i3->getLineB()); i3->getLineB().invalidate(); // Move A along if it matched B if(before_or_on_equal_line_in_A) { d3l.setLineA(i3->getLineA()); d3l.bAEqB = i3->isEqualAB(); i3->getLineA().invalidate(); i3->bAEqC = false; } i3->bAEqB = false; i3->bBEqC = false; d3ll.insert(i3c, d3l); } if(i3 == i3_last_equal_A) { before_or_on_equal_line_in_A = false; } ++i3; } nofDisturbingLines = 0; } if(nofDisturbingLines == 0) { // Yes, the line from B can be moved. i3b->getLineB().invalidate(); // This might leave an empty line: removed later. i3b->bAEqB = false; i3b->bBEqC = false; i3c->setLineB(lineB); i3c->bBEqC = true; i3c->bAEqB = i3c->isEqualAC(); } } else if(i3b1 == i3c && !i3c->isEqualAC()) { Diff3LineList::iterator i3 = i3b; int nofDisturbingLines = 0; while(i3 != i3c && i3 != d3ll.end()) { if(i3->getLineC().isValid()) ++nofDisturbingLines; ++i3; } if(nofDisturbingLines > 0) //&& nofDisturbingLines < d.nofEquals*d.nofEquals+4 ) { Diff3LineList::iterator i3_last_equal_A = d3ll.end(); i3 = i3b; while(i3 != i3c) { if(i3->isEqualAC()) { i3_last_equal_A = i3; } ++i3; } /* If i3_last_equal_A isn't still set to d3ll.end(), then * we've found a line in A that is equal to one in C * somewhere between i3b and i3c */ bool before_or_on_equal_line_in_A = (i3_last_equal_A != d3ll.end()); // Move the disturbing lines up. i3 = i3b; while(i3 != i3c) { if(i3->getLineC().isValid() || (before_or_on_equal_line_in_A && i3->getLineA().isValid())) { d3l.setLineC(i3->getLineC()); i3->getLineC().invalidate(); // Move A along if it matched C if(before_or_on_equal_line_in_A) { d3l.setLineA(i3->getLineA()); d3l.bAEqC = i3->isEqualAC(); i3->getLineA().invalidate(); i3->bAEqB = false; } i3->bAEqC = false; i3->bBEqC = false; d3ll.insert(i3b, d3l); } if(i3 == i3_last_equal_A) { before_or_on_equal_line_in_A = false; } ++i3; } nofDisturbingLines = 0; } if(nofDisturbingLines == 0) { // Yes, the line from C can be moved. i3c->getLineC().invalidate(); // This might leave an empty line: removed later. i3c->bAEqC = false; i3c->bBEqC = false; i3b->setLineC(lineC); i3b->bBEqC = true; i3b->bAEqC = i3b->isEqualAB(); } } } --d.nofEquals; ++lineB; ++lineC; ++i3b; ++i3c; } else if(d.diff1 > 0) { Diff3LineList::iterator i3 = i3b; while(i3->getLineB() != lineB) ++i3; if(i3 != i3b && !i3->isEqualAB()) { // Take B from this line and move it up as far as possible d3l.setLineB(lineB); d3ll.insert(i3b, d3l); i3->getLineB().invalidate(); } else { i3b = i3; } --d.diff1; ++lineB; ++i3b; if(d.diff2 > 0) { --d.diff2; ++lineC; } } else if(d.diff2 > 0) { --d.diff2; ++lineC; } } /* Diff3LineList::iterator it = d3ll.begin(); int li=0; for( ; it!=d3ll.end(); ++it, ++li ) { printf( "%4d %4d %4d %4d A%c=B A%c=C B%c=C\n", li, it->getLineA(), it->getLineB(), it->getLineC(), it->isEqualAB() ? '=' : '!', it->isEqualAC() ? '=' : '!', it->isEqualBC() ? '=' : '!' ); } printf("\n");*/ } // Test if the move would pass a barrier. Return true if not. bool ManualDiffHelpList::isValidMove(int line1, int line2, e_SrcSelector winIdx1, e_SrcSelector winIdx2) const { if(line1 >= 0 && line2 >= 0) { ManualDiffHelpList::const_iterator i; for(i = begin(); i != end(); ++i) { const ManualDiffHelpEntry& mdhe = *i; if(!mdhe.isValidMove(line1, line2, winIdx1, winIdx2)) return false; } } return true; // no barrier passed. } bool ManualDiffHelpEntry::isValidMove(int line1, int line2, e_SrcSelector winIdx1, e_SrcSelector winIdx2) const { // Barrier int l1 = winIdx1 == A ? lineA1 : winIdx1 == B ? lineB1 : lineC1; int l2 = winIdx2 == A ? lineA1 : winIdx2 == B ? lineB1 : lineC1; if(l1 >= 0 && l2 >= 0) { if((line1 >= l1 && line2 < l2) || (line1 < l1 && line2 >= l2)) return false; l1 = winIdx1 == A ? lineA2 : winIdx1 == B ? lineB2 : lineC2; l2 = winIdx2 == A ? lineA2 : winIdx2 == B ? lineB2 : lineC2; ++l1; ++l2; if((line1 >= l1 && line2 < l2) || (line1 < l1 && line2 >= l2)) return false; } return true; } static bool runDiff(const LineData* p1, LineRef size1, const LineData* p2, LineRef size2, DiffList& diffList, Options* pOptions) { ProgressProxy pp; static GnuDiff gnuDiff; // All values are initialized with zeros. pp.setCurrent(0); diffList.clear(); if(p1 == nullptr || p1[0].getLine() == nullptr || p2 == nullptr || p2[0].getLine() == nullptr || size1 == 0 || size2 == 0) { Diff d(0, 0, 0); if(p1 != nullptr && p2 != nullptr && p1[0].getLine() == nullptr && p2[0].getLine() == nullptr && size1 == size2) d.nofEquals = size1; else { d.diff1 = size1; d.diff2 = size2; } diffList.push_back(d); } else { GnuDiff::comparison comparisonInput; memset(&comparisonInput, 0, sizeof(comparisonInput)); comparisonInput.parent = nullptr; comparisonInput.file[0].buffer = p1[0].getLine(); //ptr to buffer comparisonInput.file[0].buffered = (p1[size1 - 1].getLine() - p1[0].getLine() + p1[size1 - 1].size()); // size of buffer comparisonInput.file[1].buffer = p2[0].getLine(); //ptr to buffer comparisonInput.file[1].buffered = (p2[size2 - 1].getLine() - p2[0].getLine() + p2[size2 - 1].size()); // size of buffer gnuDiff.ignore_white_space = GnuDiff::IGNORE_ALL_SPACE; // I think nobody needs anything else ... gnuDiff.bIgnoreWhiteSpace = true; gnuDiff.bIgnoreNumbers = pOptions->m_bIgnoreNumbers; gnuDiff.minimal = pOptions->m_bTryHard; gnuDiff.ignore_case = false; GnuDiff::change* script = gnuDiff.diff_2_files(&comparisonInput); - LineRef equalLinesAtStart = (LineRef::LineType)comparisonInput.file[0].prefix_lines; + LineRef equalLinesAtStart = (LineRef)comparisonInput.file[0].prefix_lines; LineRef currentLine1 = 0; LineRef currentLine2 = 0; GnuDiff::change* p = nullptr; for(GnuDiff::change* e = script; e; e = p) { Diff d(0, 0, 0); - d.nofEquals = (LineRef::LineType)(e->line0 - currentLine1); + d.nofEquals = (LineRef)(e->line0 - currentLine1); Q_ASSERT(d.nofEquals == e->line1 - currentLine2); d.diff1 = e->deleted; d.diff2 = e->inserted; - currentLine1 += (LineRef::LineType)(d.nofEquals + d.diff1); - currentLine2 += (LineRef::LineType)(d.nofEquals + d.diff2); + currentLine1 += (LineRef)(d.nofEquals + d.diff1); + currentLine2 += (LineRef)(d.nofEquals + d.diff2); diffList.push_back(d); p = e->link; free(e); } if(diffList.empty()) { Diff d(0, 0, 0); d.nofEquals = std::min(size1, size2); d.diff1 = size1 - d.nofEquals; d.diff2 = size2 - d.nofEquals; diffList.push_back(d); } else { diffList.front().nofEquals += equalLinesAtStart; currentLine1 += equalLinesAtStart; currentLine2 += equalLinesAtStart; LineRef nofEquals = std::min(size1 - currentLine1, size2 - currentLine2); if(nofEquals == 0) { diffList.back().diff1 += size1 - currentLine1; diffList.back().diff2 += size2 - currentLine2; } else { Diff d(nofEquals, size1 - currentLine1 - nofEquals, size2 - currentLine2 - nofEquals); diffList.push_back(d); } } } // Verify difflist { LineRef::LineType l1 = 0; LineRef::LineType l2 = 0; DiffList::iterator i; for(i = diffList.begin(); i != diffList.end(); ++i) { l1 += i->nofEquals + i->diff1; l2 += i->nofEquals + i->diff2; } Q_ASSERT(l1 == size1 && l2 == size2); } pp.setCurrent(1); return true; } bool ManualDiffHelpList::runDiff(const LineData* p1, LineRef size1, const LineData* p2, LineRef size2, DiffList& diffList, e_SrcSelector winIdx1, e_SrcSelector winIdx2, Options* pOptions) { diffList.clear(); DiffList diffList2; int l1begin = 0; int l2begin = 0; ManualDiffHelpList::const_iterator i; for(i = begin(); i != end(); ++i) { const ManualDiffHelpEntry& mdhe = *i; int l1end = mdhe.getLine1(winIdx1); int l2end = mdhe.getLine1(winIdx2); if(l1end >= 0 && l2end >= 0) { ::runDiff(p1 + l1begin, l1end - l1begin, p2 + l2begin, l2end - l2begin, diffList2, pOptions); diffList.splice(diffList.end(), diffList2); l1begin = l1end; l2begin = l2end; l1end = mdhe.getLine2(winIdx1); l2end = mdhe.getLine2(winIdx2); if(l1end >= 0 && l2end >= 0) { ++l1end; // point to line after last selected line ++l2end; ::runDiff(p1 + l1begin, l1end - l1begin, p2 + l2begin, l2end - l2begin, diffList2, pOptions); diffList.splice(diffList.end(), diffList2); l1begin = l1end; l2begin = l2end; } } } ::runDiff(p1 + l1begin, size1 - l1begin, p2 + l2begin, size2 - l2begin, diffList2, pOptions); diffList.splice(diffList.end(), diffList2); return true; } void correctManualDiffAlignment(Diff3LineList& d3ll, ManualDiffHelpList* pManualDiffHelpList) { if(pManualDiffHelpList->empty()) return; // If a line appears unaligned in comparison to the manual alignment, correct this. ManualDiffHelpList::iterator iMDHL; for(iMDHL = pManualDiffHelpList->begin(); iMDHL != pManualDiffHelpList->end(); ++iMDHL) { Diff3LineList::iterator i3 = d3ll.begin(); e_SrcSelector missingWinIdx = None; int alignedSum = (iMDHL->getLine1(A) < 0 ? 0 : 1) + (iMDHL->getLine1(B) < 0 ? 0 : 1) + (iMDHL->getLine1(C) < 0 ? 0 : 1); if(alignedSum == 2) { // If only A & B are aligned then let C rather be aligned with A // If only A & C are aligned then let B rather be aligned with A // If only B & C are aligned then let A rather be aligned with B missingWinIdx = iMDHL->getLine1(A) < 0 ? A : (iMDHL->getLine1(B) < 0 ? B : C); } else if(alignedSum <= 1) { return; } // At the first aligned line, move up the two other lines into new d3ls until the second input is aligned // Then move up the third input until all three lines are aligned. int wi = None; for(; i3 != d3ll.end(); ++i3) { for(wi = A; wi <= Max; ++wi) { if(i3->getLineInFile((e_SrcSelector)wi) >= 0 && iMDHL->firstLine((e_SrcSelector)wi) == i3->getLineInFile((e_SrcSelector)wi)) break; } if(wi <= Max) break; } if(wi >= A && wi <= Max) { // Found manual alignment for one source Diff3LineList::iterator iDest = i3; // Move lines up until the next firstLine is found. Omit wi from move and search. int wi2 = None; for(; i3 != d3ll.end(); ++i3) { for(wi2 = A; wi2 <= C; ++wi2) { if(wi != wi2 && i3->getLineInFile((e_SrcSelector)wi2) >= 0 && iMDHL->firstLine((e_SrcSelector)wi2) == i3->getLineInFile((e_SrcSelector)wi2)) break; } if(wi2 > C) { // Not yet found // Move both others up Diff3Line d3l; // Move both up if(wi == A) // Move B and C up { d3l.bBEqC = i3->isEqualBC(); d3l.setLineB(i3->getLineB()); d3l.setLineC(i3->getLineC()); i3->getLineB().invalidate(); i3->getLineC().invalidate(); } if(wi == B) // Move A and C up { d3l.bAEqC = i3->isEqualAC(); d3l.setLineA(i3->getLineA()); d3l.setLineC(i3->getLineC()); i3->getLineA().invalidate(); i3->getLineC().invalidate(); } if(wi == C) // Move A and B up { d3l.bAEqB = i3->isEqualAB(); d3l.setLineA(i3->getLineA()); d3l.setLineB(i3->getLineB()); i3->getLineA().invalidate(); i3->getLineB().invalidate(); } i3->bAEqB = false; i3->bAEqC = false; i3->bBEqC = false; d3ll.insert(iDest, d3l); } else { // align the found line with the line we already have here if(i3 != iDest) { if(wi2 == A) { iDest->setLineA(i3->getLineA()); i3->getLineA().invalidate(); i3->bAEqB = false; i3->bAEqC = false; } else if(wi2 == B) { iDest->setLineB(i3->getLineB()); i3->getLineB().invalidate(); i3->bAEqB = false; i3->bBEqC = false; } else if(wi2 == C) { iDest->setLineC(i3->getLineC()); i3->getLineC().invalidate(); i3->bBEqC = false; i3->bAEqC = false; } } if(missingWinIdx != 0) { for(; i3 != d3ll.end(); ++i3) { e_SrcSelector wi3 = missingWinIdx; if(i3->getLineInFile((e_SrcSelector)wi3) >= 0) { // not found, move the line before iDest Diff3Line d3l; if(wi3 == A) { if(i3->isEqualAB()) // Stop moving lines up if one equal is found. break; d3l.setLineA(i3->getLineA()); i3->getLineA().invalidate(); i3->bAEqB = false; i3->bAEqC = false; } if(wi3 == B) { if(i3->isEqualAB()) break; d3l.setLineB(i3->getLineB()); i3->getLineB().invalidate(); i3->bAEqB = false; i3->bBEqC = false; } if(wi3 == C) { if(i3->isEqualAC()) break; d3l.setLineC(i3->getLineC()); i3->getLineC().invalidate(); i3->bAEqC = false; i3->bBEqC = false; } d3ll.insert(iDest, d3l); } } // for(), searching for wi3 } break; } } // for(), searching for wi2 } // if, wi found } // for (iMDHL) } // Fourth step void calcDiff3LineListTrim( Diff3LineList& d3ll, const LineData* pldA, const LineData* pldB, const LineData* pldC, ManualDiffHelpList* pManualDiffHelpList) { const Diff3Line d3l_empty; d3ll.remove(d3l_empty); Diff3LineList::iterator i3 = d3ll.begin(); Diff3LineList::iterator i3A = d3ll.begin(); Diff3LineList::iterator i3B = d3ll.begin(); Diff3LineList::iterator i3C = d3ll.begin(); int line = 0; // diff3line counters int lineA = 0; // int lineB = 0; int lineC = 0; ManualDiffHelpList::iterator iMDHL = pManualDiffHelpList->begin(); // The iterator i3 and the variable line look ahead. // The iterators i3A, i3B, i3C and corresponding lineA, lineB and lineC stop at empty lines, if found. // If possible, then the texts from the look ahead will be moved back to the empty places. for(; i3 != d3ll.end(); ++i3, ++line) { if(iMDHL != pManualDiffHelpList->end()) { if((i3->getLineA().isValid() && i3->getLineA() == iMDHL->getLine1(A)) || (i3->getLineB().isValid() && i3->getLineB() == iMDHL->getLine1(B)) || (i3->getLineC().isValid() && i3->getLineC() == iMDHL->getLine1(C))) { i3A = i3; i3B = i3; i3C = i3; lineA = line; lineB = line; lineC = line; ++iMDHL; } } if(line > lineA && i3->getLineA().isValid() && (*i3A).getLineB().isValid() && (*i3A).isEqualBC() && LineData::equal(pldA[i3->getLineA()], pldB[(*i3A).getLineB()], false) && pManualDiffHelpList->isValidMove(i3->getLineA(), (*i3A).getLineB(), A, B) && pManualDiffHelpList->isValidMove(i3->getLineA(), (*i3A).getLineC(), A, C)) { // Empty space for A. A matches B and C in the empty line. Move it up. (*i3A).setLineA(i3->getLineA()); (*i3A).bAEqB = true; (*i3A).bAEqC = true; i3->getLineA().invalidate(); i3->bAEqB = false; i3->bAEqC = false; ++i3A; ++lineA; } if(line > lineB && i3->getLineB().isValid() && (*i3B).getLineA().isValid() && (*i3B).isEqualAC() && LineData::equal(pldB[i3->getLineB()], pldA[(*i3B).getLineA()], false) && pManualDiffHelpList->isValidMove(i3->getLineB(), (*i3B).getLineA(), B, A) && pManualDiffHelpList->isValidMove(i3->getLineB(), (*i3B).getLineC(), B, C)) { // Empty space for B. B matches A and C in the empty line. Move it up. (*i3B).setLineB(i3->getLineB()); (*i3B).bAEqB = true; (*i3B).bBEqC = true; i3->getLineB().invalidate(); i3->bAEqB = false; i3->bBEqC = false; ++i3B; ++lineB; } if(line > lineC && i3->getLineC().isValid() && (*i3C).getLineA().isValid() && (*i3C).isEqualAB() && LineData::equal(pldC[i3->getLineC()], pldA[(*i3C).getLineA()], false) && pManualDiffHelpList->isValidMove(i3->getLineC(), (*i3C).getLineA(), C, A) && pManualDiffHelpList->isValidMove(i3->getLineC(), (*i3C).getLineB(), C, B)) { // Empty space for C. C matches A and B in the empty line. Move it up. (*i3C).setLineC(i3->getLineC()); (*i3C).bAEqC = true; (*i3C).bBEqC = true; i3->getLineC().invalidate(); i3->bAEqC = false; i3->bBEqC = false; ++i3C; ++lineC; } if(line > lineA && i3->getLineA().isValid() && !i3->isEqualAB() && !i3->isEqualAC() && pManualDiffHelpList->isValidMove(i3->getLineA(), (*i3A).getLineB(), A, B) && pManualDiffHelpList->isValidMove(i3->getLineA(), (*i3A).getLineC(), A, C)) { // Empty space for A. A doesn't match B or C. Move it up. (*i3A).setLineA(i3->getLineA()); i3->getLineA().invalidate(); if(i3A->getLineB().isValid() && LineData::equal(pldA[i3A->getLineA()], pldB[i3A->getLineB()], false)) { i3A->bAEqB = true; } if((i3A->isEqualAB() && i3A->isEqualBC()) || (i3A->getLineC().isValid() && LineData::equal(pldA[i3A->getLineA()], pldC[i3A->getLineC()], false))) { i3A->bAEqC = true; } ++i3A; ++lineA; } if(line > lineB && i3->getLineB().isValid() && !i3->isEqualAB() && !i3->isEqualBC() && pManualDiffHelpList->isValidMove(i3->getLineB(), (*i3B).getLineA(), B, A) && pManualDiffHelpList->isValidMove(i3->getLineB(), (*i3B).getLineC(), B, C)) { // Empty space for B. B matches neither A nor C. Move B up. (*i3B).setLineB(i3->getLineB()); i3->getLineB().invalidate(); if(i3B->getLineA().isValid() && LineData::equal(pldA[i3B->getLineA()], pldB[i3B->getLineB()], false)) { i3B->bAEqB = true; } if((i3B->isEqualAB() && i3B->isEqualAC()) || (i3B->getLineC().isValid() && LineData::equal(pldB[i3B->getLineB()], pldC[i3B->getLineC()], false))) { i3B->bBEqC = true; } ++i3B; ++lineB; } if(line > lineC && i3->getLineC().isValid() && !i3->isEqualAC() && !i3->isEqualBC() && pManualDiffHelpList->isValidMove( i3->getLineC(), (*i3C).getLineA(), C, A) && pManualDiffHelpList->isValidMove( i3->getLineC(), (*i3C).getLineB(), C, B)) { // Empty space for C. C matches neither A nor B. Move C up. (*i3C).setLineC(i3->getLineC()); i3->getLineC().invalidate(); if(i3C->getLineA().isValid() && LineData::equal(pldA[i3C->getLineA()], pldC[i3C->getLineC()], false)) { i3C->bAEqC = true; } if((i3C->isEqualAC() && i3C->isEqualAB()) || (i3C->getLineB().isValid() && LineData::equal(pldB[i3C->getLineB()], pldC[i3C->getLineC()], false))) { i3C->bBEqC = true; } ++i3C; ++lineC; } if(line > lineA && line > lineB && i3->getLineA().isValid() && i3->isEqualAB() && !i3->isEqualAC()) { // Empty space for A and B. A matches B, but not C. Move A & B up. Diff3LineList::iterator i = lineA > lineB ? i3A : i3B; int l = lineA > lineB ? lineA : lineB; if(pManualDiffHelpList->isValidMove( i->getLineC(), i3->getLineA(), C, A) && pManualDiffHelpList->isValidMove( i->getLineC(), i3->getLineB(), C, B)) { (*i).setLineA(i3->getLineA()); (*i).setLineB(i3->getLineB()); (*i).bAEqB = true; if(i->getLineC().isValid() && LineData::equal(pldA[i->getLineA()], pldC[i->getLineC()], false)) { (*i).bAEqC = true; (*i).bBEqC = true; } i3->getLineA().invalidate(); i3->getLineB().invalidate(); i3->bAEqB = false; i3A = i; i3B = i; ++i3A; ++i3B; lineA = l + 1; lineB = l + 1; } } else if(line > lineA && line > lineC && i3->getLineA().isValid() && i3->isEqualAC() && !i3->isEqualAB()) { // Empty space for A and C. A matches C, but not B. Move A & C up. Diff3LineList::iterator i = lineA > lineC ? i3A : i3C; int l = lineA > lineC ? lineA : lineC; if(pManualDiffHelpList->isValidMove(i->getLineB(), i3->getLineA(), B, A) && pManualDiffHelpList->isValidMove(i->getLineB(), i3->getLineC(), B, C)) { (*i).setLineA(i3->getLineA()); (*i).setLineC(i3->getLineC()); (*i).bAEqC = true; if(i->getLineB().isValid() && LineData::equal(pldA[i->getLineA()], pldB[i->getLineB()], false)) { (*i).bAEqB = true; (*i).bBEqC = true; } i3->getLineA().invalidate(); i3->getLineC().invalidate(); i3->bAEqC = false; i3A = i; i3C = i; ++i3A; ++i3C; lineA = l + 1; lineC = l + 1; } } else if(line > lineB && line > lineC && i3->getLineB().isValid() && i3->isEqualBC() && !i3->isEqualAC()) { // Empty space for B and C. B matches C, but not A. Move B & C up. Diff3LineList::iterator i = lineB > lineC ? i3B : i3C; int l = lineB > lineC ? lineB : lineC; if(pManualDiffHelpList->isValidMove( i->getLineA(), i3->getLineB(), A, B) && pManualDiffHelpList->isValidMove( i->getLineA(), i3->getLineC(), A, C)) { (*i).setLineB(i3->getLineB()); (*i).setLineC(i3->getLineC()); (*i).bBEqC = true; if(i->getLineA().isValid() && LineData::equal(pldA[i->getLineA()], pldB[i->getLineB()], false)) { (*i).bAEqB = true; (*i).bAEqC = true; } i3->getLineB().invalidate(); i3->getLineC().invalidate(); i3->bBEqC = false; i3B = i; i3C = i; ++i3B; ++i3C; lineB = l + 1; lineC = l + 1; } } if(i3->getLineA().isValid()) { lineA = line + 1; i3A = i3; ++i3A; } if(i3->getLineB().isValid()) { lineB = line + 1; i3B = i3; ++i3B; } if(i3->getLineC().isValid()) { lineC = line + 1; i3C = i3; ++i3C; } } d3ll.remove(d3l_empty); /* Diff3LineList::iterator it = d3ll.begin(); int li=0; for( ; it!=d3ll.end(); ++it, ++li ) { printf( "%4d %4d %4d %4d A%c=B A%c=C B%c=C\n", li, it->getLineA(), it->getLineB(), it->getLineC(), it->isEqualAB() ? '=' : '!', it->isEqualAC() ? '=' : '!', it->isEqualBC() ? '=' : '!' ); } */ } void DiffBufferInfo::init(Diff3LineList* pD3ll, const Diff3LineVector* pD3lv, const LineData* pldA, LineCount sizeA, const LineData* pldB, LineCount sizeB, const LineData* pldC, LineCount sizeC) { m_pDiff3LineList = pD3ll; m_pDiff3LineVector = pD3lv; m_pLineDataA = pldA; m_pLineDataB = pldB; m_pLineDataC = pldC; m_sizeA = sizeA; m_sizeB = sizeB; m_sizeC = sizeC; Diff3LineList::iterator i3 = pD3ll->begin(); for(; i3 != pD3ll->end(); ++i3) { i3->m_pDiffBufferInfo = this; } } void Diff3LineList::calcWhiteDiff3Lines( const LineData* pldA, const LineData* pldB, const LineData* pldC) { Diff3LineList::iterator i3; for(i3=begin(); i3 != end(); ++i3) { i3->bWhiteLineA = (!i3->getLineA().isValid() || pldA == nullptr || pldA[i3->getLineA()].whiteLine() || pldA[i3->getLineA()].isPureComment()); i3->bWhiteLineB = (!i3->getLineA().isValid() || pldB == nullptr || pldB[i3->getLineB()].whiteLine() || pldB[i3->getLineB()].isPureComment()); i3->bWhiteLineC = (!i3->getLineC().isValid() || pldC == nullptr || pldC[i3->getLineC()].whiteLine() || pldC[i3->getLineC()].isPureComment()); } } // My own diff-invention: void calcDiff(const QChar* p1, LineRef size1, const QChar* p2, LineRef size2, DiffList& diffList, int match, int maxSearchRange) { diffList.clear(); const QChar* p1start = p1; const QChar* p2start = p2; const QChar* p1end = p1 + size1; const QChar* p2end = p2 + size2; for(;;) { int nofEquals = 0; while(p1 != p1end && p2 != p2end && *p1 == *p2) { ++p1; ++p2; ++nofEquals; } bool bBestValid = false; int bestI1 = 0; int bestI2 = 0; int i1 = 0; int i2 = 0; for(i1 = 0;; ++i1) { if(&p1[i1] == p1end || (bBestValid && i1 >= bestI1 + bestI2)) { break; } for(i2 = 0; i2 < maxSearchRange; ++i2) { if(&p2[i2] == p2end || (bBestValid && i1 + i2 >= bestI1 + bestI2)) { break; } else if(p2[i2] == p1[i1] && (match == 1 || abs(i1 - i2) < 3 || (&p2[i2 + 1] == p2end && &p1[i1 + 1] == p1end) || (&p2[i2 + 1] != p2end && &p1[i1 + 1] != p1end && p2[i2 + 1] == p1[i1 + 1]))) { if(i1 + i2 < bestI1 + bestI2 || !bBestValid) { bestI1 = i1; bestI2 = i2; bBestValid = true; break; } } } } // The match was found using the strict search. Go back if there are non-strict // matches. while(bestI1 >= 1 && bestI2 >= 1 && p1[bestI1 - 1] == p2[bestI2 - 1]) { --bestI1; --bestI2; } bool bEndReached = false; if(bBestValid) { // continue somehow Diff d(nofEquals, bestI1, bestI2); diffList.push_back(d); p1 += bestI1; p2 += bestI2; } else { // Nothing else to match. Diff d(nofEquals, p1end - p1, p2end - p2); diffList.push_back(d); bEndReached = true; //break; } // Sometimes the algorithm that chooses the first match unfortunately chooses // a match where later actually equal parts don't match anymore. // A different match could be achieved, if we start at the end. // Do it, if it would be a better match. int nofUnmatched = 0; const QChar* pu1 = p1 - 1; const QChar* pu2 = p2 - 1; while(pu1 >= p1start && pu2 >= p2start && *pu1 == *pu2) { ++nofUnmatched; --pu1; --pu2; } Diff d = diffList.back(); if(nofUnmatched > 0) { // We want to go backwards the nofUnmatched elements and redo // the matching d = diffList.back(); Diff origBack = d; diffList.pop_back(); while(nofUnmatched > 0) { if(d.diff1 > 0 && d.diff2 > 0) { --d.diff1; --d.diff2; --nofUnmatched; } else if(d.nofEquals > 0) { --d.nofEquals; --nofUnmatched; } if(d.nofEquals == 0 && (d.diff1 == 0 || d.diff2 == 0) && nofUnmatched > 0) { if(diffList.empty()) break; d.nofEquals += diffList.back().nofEquals; d.diff1 += diffList.back().diff1; d.diff2 += diffList.back().diff2; diffList.pop_back(); bEndReached = false; } } if(bEndReached) diffList.push_back(origBack); else { p1 = pu1 + 1 + nofUnmatched; p2 = pu2 + 1 + nofUnmatched; diffList.push_back(d); } } if(bEndReached) break; } // Verify difflist { LineRef l1 = 0; LineRef l2 = 0; DiffList::iterator i; for(i = diffList.begin(); i != diffList.end(); ++i) { - l1 += (LineRef::LineType)(i->nofEquals + i->diff1); - l2 += (LineRef::LineType)(i->nofEquals + i->diff2); + l1 += (LineRef)(i->nofEquals + i->diff1); + l2 += (LineRef)(i->nofEquals + i->diff2); } Q_ASSERT(l1 == size1 && l2 == size2); } } bool Diff3Line::fineDiff(bool inBTextsTotalEqual, const e_SrcSelector selector, const LineData* v1, const LineData* v2) { LineRef k1 = 0; LineRef k2 = 0; int maxSearchLength = 500; bool bTextsTotalEqual = inBTextsTotalEqual; Q_ASSERT(selector == A || selector == B || selector == C); if(selector == A) { k1 = getLineA(); k2 = getLineB(); } else if(selector == B) { k1 = getLineB(); k2 = getLineC(); } else if(selector == C) { k1 = getLineC(); k2 = getLineA(); } if((k1 == -1 && k2 != -1) || (k1 != -1 && k2 == -1)) bTextsTotalEqual = false; if(k1 != -1 && k2 != -1) { if(v1[k1].size() != v2[k2].size() || memcmp(v1[k1].getLine(), v2[k2].getLine(), v1[k1].size() << 1) != 0) { bTextsTotalEqual = false; DiffList* pDiffList = new DiffList; calcDiff(v1[k1].getLine(), v1[k1].size(), v2[k2].getLine(), v2[k2].size(), *pDiffList, 2, maxSearchLength); // Optimize the diff list. DiffList::iterator dli; bool bUsefulFineDiff = false; for(dli = pDiffList->begin(); dli != pDiffList->end(); ++dli) { if(dli->nofEquals >= 4) { bUsefulFineDiff = true; break; } } for(dli = pDiffList->begin(); dli != pDiffList->end(); ++dli) { if(dli->nofEquals < 4 && (dli->diff1 > 0 || dli->diff2 > 0) && !(bUsefulFineDiff && dli == pDiffList->begin())) { dli->diff1 += dli->nofEquals; dli->diff2 += dli->nofEquals; dli->nofEquals = 0; } } setFineDiff(selector, pDiffList); } if((v1[k1].isPureComment() || v1[k1].whiteLine()) && (v2[k2].isPureComment() || v2[k2].whiteLine())) { if(selector == A) { bAEqB = true; } else if(selector == B) { bBEqC = true; } else if(selector == C) { bAEqC = true; } } } return bTextsTotalEqual; } void Diff3Line::getLineInfo(const e_SrcSelector winIdx, const bool isTriple, int& lineIdx, DiffList*& pFineDiff1, DiffList*& pFineDiff2, // return values int& changed, int& changed2) const { changed = 0; changed2 = 0; bool bAEqualB = this->isEqualAB() || (bWhiteLineA && bWhiteLineB); bool bAEqualC = this->isEqualAC() || (bWhiteLineA && bWhiteLineC); bool bBEqualC = this->isEqualBC() || (bWhiteLineB && bWhiteLineC); Q_ASSERT(winIdx >= A && winIdx <= C); if(winIdx == A) { lineIdx = getLineA(); pFineDiff1 = pFineAB; pFineDiff2 = pFineCA; changed |= ((!getLineB().isValid()) != (lineIdx == -1) ? 1 : 0) + ((!getLineC().isValid()) != (lineIdx == -1) && isTriple ? 2 : 0); changed2 |= (bAEqualB ? 0 : 1) + (bAEqualC || !isTriple ? 0 : 2); } else if(winIdx == B) { lineIdx = getLineB(); pFineDiff1 = pFineBC; pFineDiff2 = pFineAB; changed |= ((!getLineC().isValid()) != (lineIdx == -1) && isTriple ? 1 : 0) + ((!getLineA().isValid()) != (lineIdx == -1) ? 2 : 0); changed2 |= (bBEqualC || !isTriple ? 0 : 1) + (bAEqualB ? 0 : 2); } else if(winIdx == C) { lineIdx = getLineC(); pFineDiff1 = pFineCA; pFineDiff2 = pFineBC; changed |= ((!getLineA().isValid()) != (lineIdx == -1) ? 1 : 0) + ((!getLineB().isValid()) != (lineIdx == -1) ? 2 : 0); changed2 |= (bAEqualC ? 0 : 1) + (bBEqualC ? 0 : 2); } } bool Diff3LineList::fineDiff(const e_SrcSelector selector, const LineData* v1, const LineData* v2) { // Finetuning: Diff each line with deltas ProgressProxy pp; Diff3LineList::iterator i; bool bTextsTotalEqual = true; int listSize = size(); pp.setMaxNofSteps(listSize); int listIdx = 0; for(i = begin(); i != end(); ++i) { bTextsTotalEqual = i->fineDiff(bTextsTotalEqual, selector, v1, v2); ++listIdx; pp.step(); } return bTextsTotalEqual; } // Convert the list to a vector of pointers void Diff3LineList::calcDiff3LineVector(Diff3LineVector& d3lv) { d3lv.resize(size()); Diff3LineList::iterator i; int j = 0; for(i = begin(); i != end(); ++i, ++j) { d3lv[j] = &(*i); } Q_ASSERT(j == (int)d3lv.size()); } diff --git a/src/gnudiff_diff.h b/src/gnudiff_diff.h index 46326d6..4669cc8 100644 --- a/src/gnudiff_diff.h +++ b/src/gnudiff_diff.h @@ -1,381 +1,379 @@ /* Shared definitions for GNU DIFF Modified for KDiff3 by Joachim Eibl 2003, 2004, 2005. The original file was part of GNU DIFF. Copyright (C) 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1998, 2001, 2002 Free Software Foundation, Inc. GNU DIFF is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU DIFF 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef GNUDIFF_DIFF_H #define GNUDIFF_DIFF_H #include #include #include #include #include #include #include #include #include #include #include #include "LineRef.h" /* The integer type of a line number. */ typedef qint64 GNULineRef; - -#define LINEREF_MAX std::numeric_limits::max() #define GNULINEREF_MAX std::numeric_limits::max() static_assert(sizeof(int) >= sizeof(qint32), "Legacy LP32 systems/compilers not supported");// e.g. Windows 16-bit static_assert(std::is_signed::value, "GNULineRef must be signed."); -static_assert(sizeof(GNULineRef) >= sizeof(size_t),"GNULineRef must be able to recieve size_t values."); +static_assert(sizeof(GNULineRef) >= sizeof(size_t),"GNULineRef must be able to receive size_t values."); inline bool isEndOfLine( QChar c ) { return c=='\n' || c=='\r' || c=='\x0b'; } #define TAB_WIDTH 8 class GnuDiff { public: /* What kind of changes a hunk contains. */ enum changes { /* No changes: lines common to both files. */ UNCHANGED, /* Deletes only: lines taken from just the first file. */ OLD, /* Inserts only: lines taken from just the second file. */ NEW, /* Both deletes and inserts: a hunk containing both old and new lines. */ CHANGED }; /* Variables for command line options */ /* Nonzero if output cannot be generated for identical files. */ bool no_diff_means_no_output; /* Number of lines of context to show in each set of diffs. This is zero when context is not to be shown. */ GNULineRef context; /* Consider all files as text files (-a). Don't interpret codes over 0177 as implying a "binary file". */ bool text; /* The significance of white space during comparisons. */ enum { /* All white space is significant (the default). */ IGNORE_NO_WHITE_SPACE, /* Ignore changes due to tab expansion (-E). */ IGNORE_TAB_EXPANSION, /* Ignore changes in horizontal white space (-b). */ IGNORE_SPACE_CHANGE, /* Ignore all horizontal white space (-w). */ IGNORE_ALL_SPACE } ignore_white_space; /* Ignore changes that affect only blank lines (-B). */ bool ignore_blank_lines; /* Ignore changes that affect only numbers. (J. Eibl) */ bool bIgnoreNumbers; bool bIgnoreWhiteSpace; /* Files can be compared byte-by-byte, as if they were binary. This depends on various options. */ bool files_can_be_treated_as_binary; /* Ignore differences in case of letters (-i). */ bool ignore_case; /* Ignore differences in case of letters in file names. */ bool ignore_file_name_case; /* Regexp to identify function-header lines (-F). */ //struct re_pattern_buffer function_regexp; /* Ignore changes that affect only lines matching this regexp (-I). */ //struct re_pattern_buffer ignore_regexp; /* Say only whether files differ, not how (-q). */ bool brief; /* Expand tabs in the output so the text lines up properly despite the characters added to the front of each line (-t). */ bool expand_tabs; /* Use a tab in the output, rather than a space, before the text of an input line, so as to keep the proper alignment in the input line without changing the characters in it (-T). */ bool initial_tab; /* In directory comparison, specify file to start with (-S). This is used for resuming an aborted comparison. All file names less than this name are ignored. */ const QChar *starting_file; /* Pipe each file's output through pr (-l). */ bool paginate; /* Line group formats for unchanged, old, new, and changed groups. */ const QChar *group_format[CHANGED + 1]; /* Line formats for unchanged, old, and new lines. */ const QChar *line_format[NEW + 1]; /* If using OUTPUT_SDIFF print extra information to help the sdiff filter. */ bool sdiff_merge_assist; /* Tell OUTPUT_SDIFF to show only the left version of common lines. */ bool left_column; /* Tell OUTPUT_SDIFF to not show common lines. */ bool suppress_common_lines; /* The half line width and column 2 offset for OUTPUT_SDIFF. */ unsigned int sdiff_half_width; unsigned int sdiff_column2_offset; /* Use heuristics for better speed with large files with a small density of changes. */ bool speed_large_files; /* Patterns that match file names to be excluded. */ struct exclude *excluded; /* Don't discard lines. This makes things slower (sometimes much slower) but will find a guaranteed minimal set of changes. */ bool minimal; /* The result of comparison is an "edit script": a chain of `struct change'. Each `struct change' represents one place where some lines are deleted and some are inserted. LINE0 and LINE1 are the first affected lines in the two files (origin 0). DELETED is the number of lines deleted here from file 0. INSERTED is the number of lines inserted here in file 1. If DELETED is 0 then LINE0 is the number of the line before which the insertion was done; vice versa for INSERTED and LINE1. */ struct change { struct change *link; /* Previous or next edit command */ GNULineRef inserted; /* # lines of file 1 changed here. */ GNULineRef deleted; /* # lines of file 0 changed here. */ GNULineRef line0; /* Line number of 1st deleted line. */ GNULineRef line1; /* Line number of 1st inserted line. */ bool ignore; /* Flag used in context.c. */ }; /* Structures that describe the input files. */ /* Data on one input file being compared. */ struct file_data { /* Buffer in which text of file is read. */ const QChar* buffer; /* Allocated size of buffer, in QChars. Always a multiple of sizeof *buffer. */ size_t bufsize; /* Number of valid bytes now in the buffer. */ size_t buffered; /* Array of pointers to lines in the file. */ const QChar **linbuf; /* linbuf_base <= buffered_lines <= valid_lines <= alloc_lines. linebuf[linbuf_base ... buffered_lines - 1] are possibly differing. linebuf[linbuf_base ... valid_lines - 1] contain valid data. linebuf[linbuf_base ... alloc_lines - 1] are allocated. */ GNULineRef linbuf_base, buffered_lines, valid_lines, alloc_lines; /* Pointer to end of prefix of this file to ignore when hashing. */ const QChar *prefix_end; /* Count of lines in the prefix. There are this many lines in the file before linbuf[0]. */ GNULineRef prefix_lines; /* Pointer to start of suffix of this file to ignore when hashing. */ const QChar *suffix_begin; /* Vector, indexed by line number, containing an equivalence code for each line. It is this vector that is actually compared with that of another file to generate differences. */ GNULineRef *equivs; /* Vector, like the previous one except that the elements for discarded lines have been squeezed out. */ GNULineRef *undiscarded; /* Vector mapping virtual line numbers (not counting discarded lines) to real ones (counting those lines). Both are origin-0. */ GNULineRef *realindexes; /* Total number of nondiscarded lines. */ GNULineRef nondiscarded_lines; /* Vector, indexed by real origin-0 line number, containing TRUE for a line that is an insertion or a deletion. The results of comparison are stored here. */ bool *changed; /* 1 if at end of file. */ bool eof; /* 1 more than the maximum equivalence value used for this or its sibling file. */ GNULineRef equiv_max; }; /* Data on two input files being compared. */ struct comparison { struct file_data file[2]; struct comparison const *parent; /* parent, if a recursive comparison */ }; /* Describe the two files currently being compared. */ struct file_data files[2]; /* Stdio stream to output diffs to. */ FILE *outfile; /* Declare various functions. */ /* analyze.c */ struct change* diff_2_files (struct comparison *); /* context.c */ void print_context_header (struct file_data[], bool); void print_context_script (struct change *, bool); /* dir.c */ int diff_dirs (struct comparison const *, int (*) (struct comparison const *, const QChar *, const QChar *)); /* ed.c */ void print_ed_script (struct change *); void pr_forward_ed_script (struct change *); /* ifdef.c */ void print_ifdef_script (struct change *); /* io.c */ void file_block_read (struct file_data *, size_t); bool read_files (struct file_data[], bool); /* normal.c */ void print_normal_script (struct change *); /* rcs.c */ void print_rcs_script (struct change *); /* side.c */ void print_sdiff_script (struct change *); /* util.c */ QChar *concat (const QChar *, const QChar *, const QChar *); bool lines_differ ( const QChar *, size_t, const QChar *, size_t ); GNULineRef translate_line_number (struct file_data const *, GNULineRef); struct change *find_change (struct change *); struct change *find_reverse_change (struct change *); void *zalloc (size_t); enum changes analyze_hunk (struct change *, GNULineRef *, GNULineRef *, GNULineRef *, GNULineRef *); void begin_output (void); void debug_script (struct change *); void finish_output (void); void message (const QChar *, const QChar *, const QChar *); void message5 (const QChar *, const QChar *, const QChar *, const QChar *, const QChar *); void output_1_line (const QChar *, const QChar *, const QChar *, const QChar *); void perror_with_name (const QChar *); void setup_output (const QChar *, const QChar *, bool); void translate_range (struct file_data const *, GNULineRef, GNULineRef, long *, long *); /* version.c */ //extern const QChar version_string[]; private: // gnudiff_analyze.cpp GNULineRef diag (GNULineRef xoff, GNULineRef xlim, GNULineRef yoff, GNULineRef ylim, bool find_minimal, struct partition *part); void compareseq (GNULineRef xoff, GNULineRef xlim, GNULineRef yoff, GNULineRef ylim, bool find_minimal); void discard_confusing_lines (struct file_data filevec[]); void shift_boundaries (struct file_data filevec[]); struct change * add_change (GNULineRef line0, GNULineRef line1, GNULineRef deleted, GNULineRef inserted, struct change *old); struct change * build_reverse_script (struct file_data const filevec[]); struct change* build_script (struct file_data const filevec[]); // gnudiff_io.cpp void find_and_hash_each_line (struct file_data *current); void find_identical_ends (struct file_data filevec[]); // gnudiff_xmalloc.cpp void *xmalloc (size_t n); void *xrealloc(void *p, size_t n); void xalloc_die (void); inline bool isWhite( QChar c ) { return c==' ' || c=='\t' || c=='\r'; } }; // class GnuDiff # define XMALLOC(Type, N_items) ((Type *) xmalloc (sizeof (Type) * (N_items))) # define XREALLOC(Ptr, Type, N_items) \ ((Type *) xrealloc ((void *) (Ptr), sizeof (Type) * (N_items))) /* Declare and alloc memory for VAR of type TYPE. */ # define NEW(Type, Var) Type *(Var) = XMALLOC (Type, 1) /* Free VAR only if non NULL. */ # define XFREE(Var) \ do { \ if (Var) \ free (Var); \ } while (0) /* Return a pointer to a malloc'ed copy of the array SRC of NUM elements. */ # define CCLONE(Src, Num) \ (memcpy (xmalloc (sizeof (*Src) * (Num)), (Src), sizeof (*Src) * (Num))) /* Return a malloc'ed copy of SRC. */ # define CLONE(Src) CCLONE (Src, 1) #endif diff --git a/src/kdiff3.cpp b/src/kdiff3.cpp index 73aa86f..276d7f6 100644 --- a/src/kdiff3.cpp +++ b/src/kdiff3.cpp @@ -1,1098 +1,1098 @@ /*************************************************************************** * Copyright (C) 2003-2007 by Joachim Eibl * * Copyright (C) 2018 Michael Reeves reeves.87@gmail.com * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/ // application specific includes #include "kdiff3.h" #include "directorymergewindow.h" #include "fileaccess.h" #include "guiutils.h" #include "kdiff3_part.h" #include "kdiff3_shell.h" #include "optiondialog.h" #include "progress.h" #include "smalldialogs.h" #include "difftextwindow.h" #include "mergeresultwindow.h" #include "RLPainter.h" #ifndef Q_OS_WIN #include #endif // include files for QT #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // include files for KDE #include #include #include #include #include #include #include #include #include #include #define ID_STATUS_MSG 1 #define MAIN_TOOLBAR_NAME QLatin1String("mainToolBar") void printDiffTextWindow(RLPainter& painter, const QRect& view, const QString& headerText, DiffTextWindow* pDiffTextWindow, int line, int linesPerPage, const QColor& fgColor); KActionCollection* KDiff3App::actionCollection() { if(m_pKDiff3Shell == nullptr) return m_pKDiff3Part->actionCollection(); else return m_pKDiff3Shell->actionCollection(); } QStatusBar* KDiff3App::statusBar() { if(m_pKDiff3Shell == nullptr) return nullptr; else return m_pKDiff3Shell->statusBar(); } KToolBar* KDiff3App::toolBar(const QLatin1String toolBarId) { if(m_pKDiff3Shell == nullptr) return nullptr; else return m_pKDiff3Shell->toolBar(toolBarId); } bool KDiff3App::isPart() { return m_pKDiff3Shell == nullptr; } bool KDiff3App::isFileSaved() { return m_bFileSaved; } bool KDiff3App::isDirComparison() { return m_bDirCompare; } KDiff3App::KDiff3App(QWidget* pParent, const QString& name, KDiff3Part* pKDiff3Part) : QSplitter(pParent) //previously KMainWindow { setObjectName(name); m_pKDiff3Part = pKDiff3Part; m_pKDiff3Shell = qobject_cast(pParent); setWindowTitle("KDiff3"); setOpaqueResize(false); // faster resizing setUpdatesEnabled(false); KCrash::initialize(); // set Disabled to same color as enabled to prevent flicker in DirectoryMergeWindow QPalette pal; pal.setBrush(QPalette::Base, pal.brush(QPalette::Active, QPalette::Base)); pal.setColor(QPalette::Text, pal.color(QPalette::Active, QPalette::Text)); setPalette(pal); m_pMainSplitter = nullptr; m_pDirectoryMergeSplitter = nullptr; m_pDirectoryMergeWindow = nullptr; m_pCornerWidget = nullptr; m_pMainWidget = nullptr; m_pDiffTextWindow1 = nullptr; m_pDiffTextWindow2 = nullptr; m_pDiffTextWindow3 = nullptr; m_pDiffTextWindowFrame1 = nullptr; m_pDiffTextWindowFrame2 = nullptr; m_pDiffTextWindowFrame3 = nullptr; m_pDiffWindowSplitter = nullptr; m_pOverview = nullptr; m_bTripleDiff = false; m_pMergeResultWindow = nullptr; m_pMergeWindowFrame = nullptr; m_bOutputModified = false; m_bFileSaved = false; m_bTimerBlock = false; m_pHScrollBar = nullptr; m_pDiffVScrollBar = nullptr; m_pMergeVScrollBar = nullptr; viewToolBar = nullptr; m_bRecalcWordWrapPosted = false; m_bFinishMainInit = false; m_pEventLoopForPrinting = nullptr; m_bLoadFiles = false; // Needed before any file operations via FileAccess happen. if(!g_pProgressDialog) { g_pProgressDialog = new ProgressDialog(this, statusBar()); g_pProgressDialog->setStayHidden(true); } // All default values must be set before calling readOptions(). m_pOptionDialog = new OptionDialog(m_pKDiff3Shell != nullptr, this); connect(m_pOptionDialog, &OptionDialog::applyDone, this, &KDiff3App::slotRefresh); // This is just a convenience variable to make code that accesses options more readable m_pOptions = &m_pOptionDialog->m_options; m_pOptionDialog->readOptions(KSharedConfig::openConfig()); // Option handling: Only when pParent==0 (no parent) int argCount = KDiff3Shell::getParser()->optionNames().count() + KDiff3Shell::getParser()->positionalArguments().count(); bool hasArgs = !isPart() && argCount > 0; if(hasArgs) { QString s; QString title; if(KDiff3Shell::getParser()->isSet("confighelp")) { s = m_pOptionDialog->calcOptionHelp(); title = i18n("Current Configuration:"); } else { s = m_pOptionDialog->parseOptions(KDiff3Shell::getParser()->values("cs")); title = i18n("Config Option Error:"); } if(!s.isEmpty()) { //KMessageBox::information(0, s,i18n("KDiff3-Usage")); #ifndef Q_OS_WIN if(isatty(fileno(stderr)) != 1) #endif { QPointer pDialog = QPointer(new QDialog(this)); pDialog->setAttribute(Qt::WA_DeleteOnClose); pDialog->setModal(true); pDialog->setWindowTitle(title); QVBoxLayout* pVBoxLayout = new QVBoxLayout(pDialog); QPointer pTextEdit = QPointer(new KTextEdit(pDialog)); pTextEdit->setText(s); pTextEdit->setReadOnly(true); pTextEdit->setWordWrapMode(QTextOption::NoWrap); pVBoxLayout->addWidget(pTextEdit); pDialog->resize(600, 400); pDialog->exec(); } #if !defined(Q_OS_WIN) else { // Launched from a console QTextStream outStream(stdout); outStream << title << "\n"; outStream << s;//newline already appended by parseOptions } #endif exit(1); } } m_sd1.setOptions(m_pOptions); m_sd2.setOptions(m_pOptions); m_sd3.setOptions(m_pOptions); m_bAutoFlag = false; //disable --auto option git hard codes this unwanted flag. m_bAutoMode = m_bAutoFlag || m_pOptions->m_bAutoSaveAndQuitOnMergeWithoutConflicts; if(hasArgs) { m_outputFilename = KDiff3Shell::getParser()->value("output"); if(m_outputFilename.isEmpty()) m_outputFilename = KDiff3Shell::getParser()->value("out"); if(!m_outputFilename.isEmpty()) m_outputFilename = FileAccess(m_outputFilename, true).absoluteFilePath(); if(m_bAutoMode && m_outputFilename.isEmpty()) { if(m_bAutoFlag) { QTextStream(stderr) << i18n("Option --auto used, but no output file specified.") << "\n"; } m_bAutoMode = false; } if(m_outputFilename.isEmpty() && KDiff3Shell::getParser()->isSet("merge")) { m_outputFilename = "unnamed.txt"; m_bDefaultFilename = true; } else { m_bDefaultFilename = false; } g_bAutoSolve = !KDiff3Shell::getParser()->isSet("qall"); // Note that this is effective only once. QStringList args = KDiff3Shell::getParser()->positionalArguments(); m_sd1.setFilename(KDiff3Shell::getParser()->value("base")); if(m_sd1.isEmpty()) { if(args.count() > 0) m_sd1.setFilename(args[0]); // args->arg(0) if(args.count() > 1) m_sd2.setFilename(args[1]); if(args.count() > 2) m_sd3.setFilename(args[2]); } else { if(args.count() > 0) m_sd2.setFilename(args[0]); if(args.count() > 1) m_sd3.setFilename(args[1]); } //never properly defined and redundant QStringList aliasList; //KDiff3Shell::getParser()->values( "fname" ); QStringList::Iterator ali = aliasList.begin(); QString an1 = KDiff3Shell::getParser()->value("L1"); if(!an1.isEmpty()) { m_sd1.setAliasName(an1); } else if(ali != aliasList.end()) { m_sd1.setAliasName(*ali); ++ali; } QString an2 = KDiff3Shell::getParser()->value("L2"); if(!an2.isEmpty()) { m_sd2.setAliasName(an2); } else if(ali != aliasList.end()) { m_sd2.setAliasName(*ali); ++ali; } QString an3 = KDiff3Shell::getParser()->value("L3"); if(!an3.isEmpty()) { m_sd3.setAliasName(an3); } else if(ali != aliasList.end()) { m_sd3.setAliasName(*ali); ++ali; } } else { m_bDefaultFilename = false; g_bAutoSolve = false; } g_pProgressDialog->setStayHidden(m_bAutoMode); /////////////////////////////////////////////////////////////////// // call inits to invoke all other construction parts initActions(actionCollection()); initStatusBar(); m_pFindDialog = new FindDialog(this); connect(m_pFindDialog, &FindDialog::findNext, this, &KDiff3App::slotEditFindNext); autoAdvance->setChecked(m_pOptions->m_bAutoAdvance); showWhiteSpaceCharacters->setChecked(m_pOptions->m_bShowWhiteSpaceCharacters); showWhiteSpace->setChecked(m_pOptions->m_bShowWhiteSpace); showWhiteSpaceCharacters->setEnabled(m_pOptions->m_bShowWhiteSpace); showLineNumbers->setChecked(m_pOptions->m_bShowLineNumbers); wordWrap->setChecked(m_pOptions->m_bWordWrap); if(!isPart()) { viewStatusBar->setChecked(m_pOptions->m_bShowStatusBar); slotViewStatusBar(); KToolBar *mainToolBar = toolBar(MAIN_TOOLBAR_NAME); if(mainToolBar != nullptr){ mainToolBar->mainWindow()->addToolBar(m_pOptions->m_toolBarPos, mainToolBar); } // TODO restore window size/pos? /* QSize size = m_pOptions->m_geometry; QPoint pos = m_pOptions->m_position; if(!size.isEmpty()) { m_pKDiff3Shell->resize( size ); QRect visibleRect = QRect( pos, size ) & QApplication::desktop()->rect(); if ( visibleRect.width()>100 && visibleRect.height()>100 ) m_pKDiff3Shell->move( pos ); }*/ } slotRefresh(); m_pMainSplitter = this; m_pMainSplitter->setOrientation(Qt::Vertical); // setCentralWidget( m_pMainSplitter ); m_pDirectoryMergeSplitter = new QSplitter(m_pMainSplitter); m_pDirectoryMergeSplitter->setObjectName("DirectoryMergeSplitter"); m_pMainSplitter->addWidget(m_pDirectoryMergeSplitter); m_pDirectoryMergeSplitter->setOrientation(Qt::Horizontal); m_pDirectoryMergeWindow = new DirectoryMergeWindow(m_pDirectoryMergeSplitter, m_pOptions); m_pDirectoryMergeSplitter->addWidget(m_pDirectoryMergeWindow); m_pDirectoryMergeInfo = new DirectoryMergeInfo(m_pDirectoryMergeSplitter); m_pDirectoryMergeWindow->setDirectoryMergeInfo(m_pDirectoryMergeInfo); m_pDirectoryMergeSplitter->addWidget(m_pDirectoryMergeInfo); connect(m_pDirectoryMergeWindow, &DirectoryMergeWindow::startDiffMerge, this, &KDiff3App::slotFileOpen2); connect(m_pDirectoryMergeWindow->selectionModel(), &QItemSelectionModel::selectionChanged, this, &KDiff3App::slotUpdateAvailabilities); connect(m_pDirectoryMergeWindow->selectionModel(), &QItemSelectionModel::currentChanged, this, &KDiff3App::slotUpdateAvailabilities); connect(m_pDirectoryMergeWindow, &DirectoryMergeWindow::checkIfCanContinue, this, &KDiff3App::slotCheckIfCanContinue); connect(m_pDirectoryMergeWindow, static_cast(&DirectoryMergeWindow::updateAvailabilities), this, &KDiff3App::slotUpdateAvailabilities); connect(m_pDirectoryMergeWindow, &DirectoryMergeWindow::statusBarMessage, this, &KDiff3App::slotStatusMsg); connect(QApplication::clipboard(), &QClipboard::dataChanged, this, &KDiff3App::slotClipboardChanged); m_pDirectoryMergeWindow->initDirectoryMergeActions(this, actionCollection()); delete KDiff3Shell::getParser(); if(m_pKDiff3Shell == nullptr) { completeInit(QString()); } } void KDiff3App::completeInit(const QString& fn1, const QString& fn2, const QString& fn3) { if(m_pKDiff3Shell != nullptr) { QSize size = m_pOptions->m_geometry; QPoint pos = m_pOptions->m_position; if(!size.isEmpty()) { m_pKDiff3Shell->resize(size); QRect visibleRect = QRect(pos, size) & QApplication::desktop()->rect(); if(visibleRect.width() > 100 && visibleRect.height() > 100) m_pKDiff3Shell->move(pos); if(!m_bAutoMode) { //Here we want the extra setup showMaximized does since the window has not be shown before if(m_pOptions->m_bMaximised) m_pKDiff3Shell->showMaximized();// krazy:exclude=qmethods else m_pKDiff3Shell->show(); } } } if(!fn1.isEmpty()) { m_sd1.setFilename(fn1); } if(!fn2.isEmpty()) { m_sd2.setFilename(fn2); } if(!fn3.isEmpty()) { m_sd3.setFilename(fn3); } //should not happen now. Q_ASSERT(m_bDirCompare == FileAccess(m_sd1.getFilename()).isDir()); bool bSuccess = improveFilenames(false); if(m_bAutoFlag && m_bAutoMode && m_bDirCompare) { QTextStream(stderr) << i18n("Option --auto ignored for directory comparison.") << "\n"; m_bAutoMode = false; } if(!m_bDirCompare) { m_pDirectoryMergeSplitter->hide(); mainInit(); if(m_bAutoMode) { SourceData* pSD = nullptr; if(m_sd3.isEmpty()) { if(m_totalDiffStatus.isBinaryEqualAB()) { pSD = &m_sd1; } } else { if(m_totalDiffStatus.isBinaryEqualBC()) { pSD = &m_sd3; // B==C (assume A is old) } else if(m_totalDiffStatus.isBinaryEqualAB()) { pSD = &m_sd3; // assuming C has changed } else if(m_totalDiffStatus.isBinaryEqualAC()) { pSD = &m_sd2; // assuming B has changed } } if(pSD != nullptr) { // Save this file directly, not via the merge result window. FileAccess fa(m_outputFilename); if(m_pOptions->m_bDmCreateBakFiles && fa.exists()) { fa.createBackup(".orig"); } bSuccess = pSD->saveNormalDataAs(m_outputFilename); if(bSuccess) ::exit(0); else KMessageBox::error(this, i18n("Saving failed.")); } else if(m_pMergeResultWindow->getNrOfUnsolvedConflicts() == 0) { bSuccess = m_pMergeResultWindow->saveDocument(m_pMergeResultWindowTitle->getFileName(), m_pMergeResultWindowTitle->getEncoding(), m_pMergeResultWindowTitle->getLineEndStyle()); if(bSuccess) ::exit(0); } } } m_bAutoMode = false; if(m_pKDiff3Shell) { if(m_pOptions->m_bMaximised) //We want showMaximized here as the window has never been shown. m_pKDiff3Shell->showMaximized();// krazy:exclude=qmethods else m_pKDiff3Shell->show(); } g_pProgressDialog->setStayHidden(false); if(statusBar() != nullptr) statusBar()->setSizeGripEnabled(true); slotClipboardChanged(); // For initialisation. slotUpdateAvailabilities(); if(!m_bDirCompare && m_pKDiff3Shell != nullptr) { bool bFileOpenError = false; if((!m_sd1.isEmpty() && !m_sd1.hasData()) || (!m_sd2.isEmpty() && !m_sd2.hasData()) || (!m_sd3.isEmpty() && !m_sd3.hasData())) { QString text(i18n("Opening of these files failed:")); text += "\n\n"; if(!m_sd1.isEmpty() && !m_sd1.hasData()) text += " - " + m_sd1.getAliasName() + '\n'; if(!m_sd2.isEmpty() && !m_sd2.hasData()) text += " - " + m_sd2.getAliasName() + '\n'; if(!m_sd3.isEmpty() && !m_sd3.hasData()) text += " - " + m_sd3.getAliasName() + '\n'; KMessageBox::sorry(this, text, i18n("File Open Error")); bFileOpenError = true; } if(m_sd1.isEmpty() || m_sd2.isEmpty() || bFileOpenError) slotFileOpen(); } else if(!bSuccess) // Directory open failed { slotFileOpen(); } } KDiff3App::~KDiff3App() { } /** * Helper function used to create actions into the ac collection */ void KDiff3App::initActions(KActionCollection* ac) { if(ac == nullptr){ KMessageBox::error(nullptr, "actionCollection==0"); exit(-1);//we cannot recover from this. } fileOpen = KStandardAction::open(this, &KDiff3App::slotFileOpen, ac); fileOpen->setStatusTip(i18n("Opens documents for comparison...")); fileReload = GuiUtils::createAction(i18n("Reload"), QKeySequence(QKeySequence::Refresh), this, &KDiff3App::slotReload, ac, QLatin1String("file_reload")); fileSave = KStandardAction::save(this, &KDiff3App::slotFileSave, ac); fileSave->setStatusTip(i18n("Saves the merge result. All conflicts must be solved!")); fileSaveAs = KStandardAction::saveAs(this, &KDiff3App::slotFileSaveAs, ac); fileSaveAs->setStatusTip(i18n("Saves the current document as...")); #ifndef QT_NO_PRINTER filePrint = KStandardAction::print(this, &KDiff3App::slotFilePrint, ac); filePrint->setStatusTip(i18n("Print the differences")); #endif fileQuit = KStandardAction::quit(this, &KDiff3App::slotFileQuit, ac); fileQuit->setStatusTip(i18n("Quits the application")); editCut = KStandardAction::cut(this, &KDiff3App::slotEditCut, ac); editCut->setShortcuts(QKeySequence::Cut); editCut->setStatusTip(i18n("Cuts the selected section and puts it to the clipboard")); editCopy = KStandardAction::copy(this, &KDiff3App::slotEditCopy, ac); editCopy->setShortcut(QKeySequence::Copy); editCopy->setStatusTip(i18n("Copies the selected section to the clipboard")); editPaste = KStandardAction::paste(this, &KDiff3App::slotEditPaste, ac); editPaste->setStatusTip(i18n("Pastes the clipboard contents to current position")); editCut->setShortcut(QKeySequence::Paste); editSelectAll = KStandardAction::selectAll(this, &KDiff3App::slotEditSelectAll, ac); editSelectAll->setStatusTip(i18n("Select everything in current window")); editFind = KStandardAction::find(this, &KDiff3App::slotEditFind, ac); editFind->setShortcut(QKeySequence::Find); editFind->setStatusTip(i18n("Search for a string")); editFindNext = KStandardAction::findNext(this, &KDiff3App::slotEditFindNext, ac); editFindNext->setStatusTip(i18n("Search again for the string")); /* FIXME figure out how to implement this action viewToolBar = KStandardAction::showToolbar(this, &KDiff3App::slotViewToolBar, ac); viewToolBar->setStatusTip(i18n("Enables/disables the toolbar")); */ viewStatusBar = KStandardAction::showStatusbar(this, &KDiff3App::slotViewStatusBar, ac); viewStatusBar->setStatusTip(i18n("Enables/disables the statusbar")); KStandardAction::keyBindings(this, &KDiff3App::slotConfigureKeys, ac); QAction* pAction = KStandardAction::preferences(this, &KDiff3App::slotConfigure, ac); if(isPart()) pAction->setText(i18n("Configure KDiff3...")); #include "xpm/autoadvance.xpm" #include "xpm/currentpos.xpm" #include "xpm/down1arrow.xpm" #include "xpm/down2arrow.xpm" #include "xpm/downend.xpm" #include "xpm/iconA.xpm" #include "xpm/iconB.xpm" #include "xpm/iconC.xpm" #include "xpm/nextunsolved.xpm" #include "xpm/prevunsolved.xpm" #include "xpm/showlinenumbers.xpm" #include "xpm/showwhitespace.xpm" #include "xpm/showwhitespacechars.xpm" #include "xpm/up1arrow.xpm" #include "xpm/up2arrow.xpm" #include "xpm/upend.xpm" goCurrent = GuiUtils::createAction(i18n("Go to Current Delta"), QIcon(QPixmap(currentpos)), i18n("Current\nDelta"), QKeySequence(Qt::CTRL + Qt::Key_Space), this, &KDiff3App::slotGoCurrent, ac, "go_current"); goTop = GuiUtils::createAction(i18n("Go to First Delta"), QIcon(QPixmap(upend)), i18n("First\nDelta"), this, &KDiff3App::slotGoTop, ac, "go_top"); goBottom = GuiUtils::createAction(i18n("Go to Last Delta"), QIcon(QPixmap(downend)), i18n("Last\nDelta"), this, &KDiff3App::slotGoBottom, ac, "go_bottom"); QString omitsWhitespace = ".\n" + i18n("(Skips white space differences when \"Show White Space\" is disabled.)"); QString includeWhitespace = ".\n" + i18n("(Does not skip white space differences even when \"Show White Space\" is disabled.)"); goPrevDelta = GuiUtils::createAction(i18n("Go to Previous Delta"), QIcon(QPixmap(up1arrow)), i18n("Prev\nDelta"), QKeySequence(Qt::CTRL + Qt::Key_Up), this, &KDiff3App::slotGoPrevDelta, ac, "go_prev_delta"); goPrevDelta->setToolTip(goPrevDelta->text() + omitsWhitespace); goNextDelta = GuiUtils::createAction(i18n("Go to Next Delta"), QIcon(QPixmap(down1arrow)), i18n("Next\nDelta"), QKeySequence(Qt::CTRL + Qt::Key_Down), this, &KDiff3App::slotGoNextDelta, ac, "go_next_delta"); goNextDelta->setToolTip(goNextDelta->text() + omitsWhitespace); goPrevConflict = GuiUtils::createAction(i18n("Go to Previous Conflict"), QIcon(QPixmap(up2arrow)), i18n("Prev\nConflict"), QKeySequence(Qt::CTRL + Qt::Key_PageUp), this, &KDiff3App::slotGoPrevConflict, ac, "go_prev_conflict"); goPrevConflict->setToolTip(goPrevConflict->text() + omitsWhitespace); goNextConflict = GuiUtils::createAction(i18n("Go to Next Conflict"), QIcon(QPixmap(down2arrow)), i18n("Next\nConflict"), QKeySequence(Qt::CTRL + Qt::Key_PageDown), this, &KDiff3App::slotGoNextConflict, ac, "go_next_conflict"); goNextConflict->setToolTip(goNextConflict->text() + omitsWhitespace); goPrevUnsolvedConflict = GuiUtils::createAction(i18n("Go to Previous Unsolved Conflict"), QIcon(QPixmap(prevunsolved)), i18n("Prev\nUnsolved"), this, &KDiff3App::slotGoPrevUnsolvedConflict, ac, "go_prev_unsolved_conflict"); goPrevUnsolvedConflict->setToolTip(goPrevUnsolvedConflict->text() + includeWhitespace); goNextUnsolvedConflict = GuiUtils::createAction(i18n("Go to Next Unsolved Conflict"), QIcon(QPixmap(nextunsolved)), i18n("Next\nUnsolved"), this, &KDiff3App::slotGoNextUnsolvedConflict, ac, "go_next_unsolved_conflict"); goNextUnsolvedConflict->setToolTip(goNextUnsolvedConflict->text() + includeWhitespace); chooseA = GuiUtils::createAction(i18n("Select Line(s) From A"), QIcon(QPixmap(iconA)), i18n("Choose\nA"), QKeySequence(Qt::CTRL + Qt::Key_1), this, &KDiff3App::slotChooseA, ac, "merge_choose_a"); chooseB = GuiUtils::createAction(i18n("Select Line(s) From B"), QIcon(QPixmap(iconB)), i18n("Choose\nB"), QKeySequence(Qt::CTRL + Qt::Key_2), this, &KDiff3App::slotChooseB, ac, "merge_choose_b"); chooseC = GuiUtils::createAction(i18n("Select Line(s) From C"), QIcon(QPixmap(iconC)), i18n("Choose\nC"), QKeySequence(Qt::CTRL + Qt::Key_3), this, &KDiff3App::slotChooseC, ac, "merge_choose_c"); autoAdvance = GuiUtils::createAction(i18n("Automatically Go to Next Unsolved Conflict After Source Selection"), QIcon(QPixmap(autoadvance)), i18n("Auto\nNext"), this, &KDiff3App::slotAutoAdvanceToggled, ac, "merge_autoadvance"); showWhiteSpaceCharacters = GuiUtils::createAction(i18n("Show Space && Tabulator Characters"), QIcon(QPixmap(showwhitespacechars)), i18n("White\nCharacters"), this, &KDiff3App::slotShowWhiteSpaceToggled, ac, "diff_show_whitespace_characters"); showWhiteSpace = GuiUtils::createAction(i18n("Show White Space"), QIcon(QPixmap(showwhitespace)), i18n("White\nDeltas"), this, &KDiff3App::slotShowWhiteSpaceToggled, ac, "diff_show_whitespace"); showLineNumbers = GuiUtils::createAction(i18n("Show Line Numbers"), QIcon(QPixmap(showlinenumbers)), i18n("Line\nNumbers"), this, &KDiff3App::slotShowLineNumbersToggled, ac, "diff_showlinenumbers"); autoSolve = GuiUtils::createAction(i18n("Automatically Solve Simple Conflicts"), this, &KDiff3App::slotAutoSolve, ac, "merge_autosolve"); unsolve = GuiUtils::createAction(i18n("Set Deltas to Conflicts"), this, &KDiff3App::slotUnsolve, ac, "merge_autounsolve"); mergeRegExp = GuiUtils::createAction(i18n("Run Regular Expression Auto Merge"), this, &KDiff3App::slotRegExpAutoMerge, ac, "merge_regexp_automerge"); mergeHistory = GuiUtils::createAction(i18n("Automatically Solve History Conflicts"), this, &KDiff3App::slotMergeHistory, ac, "merge_versioncontrol_history"); splitDiff = GuiUtils::createAction(i18n("Split Diff At Selection"), this, &KDiff3App::slotSplitDiff, ac, "merge_splitdiff"); joinDiffs = GuiUtils::createAction(i18n("Join Selected Diffs"), this, &KDiff3App::slotJoinDiffs, ac, "merge_joindiffs"); showWindowA = GuiUtils::createAction(i18n("Show Window A"), this, &KDiff3App::slotShowWindowAToggled, ac, "win_show_a"); showWindowB = GuiUtils::createAction(i18n("Show Window B"), this, &KDiff3App::slotShowWindowBToggled, ac, "win_show_b"); showWindowC = GuiUtils::createAction(i18n("Show Window C"), this, &KDiff3App::slotShowWindowCToggled, ac, "win_show_c"); overviewModeNormal = GuiUtils::createAction(i18n("Normal Overview"), this, &KDiff3App::slotOverviewNormal, ac, "diff_overview_normal"); overviewModeAB = GuiUtils::createAction(i18n("A vs. B Overview"), this, &KDiff3App::slotOverviewAB, ac, "diff_overview_ab"); overviewModeAC = GuiUtils::createAction(i18n("A vs. C Overview"), this, &KDiff3App::slotOverviewAC, ac, "diff_overview_ac"); overviewModeBC = GuiUtils::createAction(i18n("B vs. C Overview"), this, &KDiff3App::slotOverviewBC, ac, "diff_overview_bc"); wordWrap = GuiUtils::createAction(i18n("Word Wrap Diff Windows"), this, &KDiff3App::slotWordWrapToggled, ac, "diff_wordwrap"); addManualDiffHelp = GuiUtils::createAction(i18n("Add Manual Diff Alignment"), QKeySequence(Qt::CTRL + Qt::Key_Y), this, &KDiff3App::slotAddManualDiffHelp, ac, "diff_add_manual_diff_help"); clearManualDiffHelpList = GuiUtils::createAction(i18n("Clear All Manual Diff Alignments"), QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Y), this, &KDiff3App::slotClearManualDiffHelpList, ac, "diff_clear_manual_diff_help_list"); winFocusNext = GuiUtils::createAction(i18n("Focus Next Window"), QKeySequence(Qt::ALT + Qt::Key_Right), this, &KDiff3App::slotWinFocusNext, ac, "win_focus_next"); winFocusPrev = GuiUtils::createAction(i18n("Focus Prev Window"), QKeySequence(Qt::ALT + Qt::Key_Left), this, &KDiff3App::slotWinFocusPrev, ac, "win_focus_prev"); winToggleSplitOrientation = GuiUtils::createAction(i18n("Toggle Split Orientation"), this, &KDiff3App::slotWinToggleSplitterOrientation, ac, "win_toggle_split_orientation"); dirShowBoth = GuiUtils::createAction(i18n("Dir && Text Split Screen View"), this, &KDiff3App::slotDirShowBoth, ac, "win_dir_show_both"); dirShowBoth->setChecked(true); dirViewToggle = GuiUtils::createAction(i18n("Toggle Between Dir && Text View"), this, &KDiff3App::slotDirViewToggle, ac, "win_dir_view_toggle"); m_pMergeEditorPopupMenu = new QMenu(this); /* chooseA->plug( m_pMergeEditorPopupMenu ); chooseB->plug( m_pMergeEditorPopupMenu ); chooseC->plug( m_pMergeEditorPopupMenu );*/ m_pMergeEditorPopupMenu->addAction(chooseA); m_pMergeEditorPopupMenu->addAction(chooseB); m_pMergeEditorPopupMenu->addAction(chooseC); } void KDiff3App::showPopupMenu(const QPoint& point) { m_pMergeEditorPopupMenu->popup(point); } void KDiff3App::initStatusBar() { /////////////////////////////////////////////////////////////////// // STATUSBAR if(statusBar() != nullptr) statusBar()->showMessage(i18n("Ready.")); } void KDiff3App::saveOptions(KSharedConfigPtr config) { if(!m_bAutoMode) { if(!isPart()) { m_pOptions->m_bMaximised = m_pKDiff3Shell->isMaximized(); if(!m_pKDiff3Shell->isMaximized() && m_pKDiff3Shell->isVisible()) { m_pOptions->m_geometry = m_pKDiff3Shell->size(); m_pOptions->m_position = m_pKDiff3Shell->pos(); } /* TODO change this option as now KToolbar uses QToolbar positioning style if ( toolBar(MAIN_TOOLBAR_NAME)!=0 ) m_pOptionDialog->m_toolBarPos = (int) toolBar(MAIN_TOOLBAR_NAME)->allowedAreas();*/ } m_pOptionDialog->saveOptions(std::move(config)); } } bool KDiff3App::queryClose() { saveOptions(KSharedConfig::openConfig()); if(m_bOutputModified) { int result = KMessageBox::warningYesNoCancel(this, i18n("The merge result has not been saved."), i18n("Warning"), KGuiItem(i18n("Save && Quit")), KGuiItem(i18n("Quit Without Saving"))); if(result == KMessageBox::Cancel) return false; else if(result == KMessageBox::Yes) { slotFileSave(); if(m_bOutputModified) { KMessageBox::sorry(this, i18n("Saving the merge result failed."), i18n("Warning")); return false; } } } m_bOutputModified = false; if(m_pDirectoryMergeWindow->isDirectoryMergeInProgress()) { int result = KMessageBox::warningYesNo(this, i18n("You are currently doing a directory merge. Are you sure, you want to abort?"), i18n("Warning"), KStandardGuiItem::quit(), KStandardGuiItem::cont() /* i18n("Continue Merging") */); if(result != KMessageBox::Yes) return false; } return true; } ///////////////////////////////////////////////////////////////////// // SLOT IMPLEMENTATION ///////////////////////////////////////////////////////////////////// void KDiff3App::slotFileSave() { if(m_bDefaultFilename) { slotFileSaveAs(); } else { slotStatusMsg(i18n("Saving file...")); bool bSuccess = m_pMergeResultWindow->saveDocument(m_outputFilename, m_pMergeResultWindowTitle->getEncoding(), m_pMergeResultWindowTitle->getLineEndStyle()); if(bSuccess) { m_bFileSaved = true; m_bOutputModified = false; if(m_bDirCompare) m_pDirectoryMergeWindow->mergeResultSaved(m_outputFilename); } slotStatusMsg(i18n("Ready.")); } } void KDiff3App::slotFileSaveAs() { slotStatusMsg(i18n("Saving file with a new filename...")); QString s = QFileDialog::getSaveFileUrl(this, i18n("Save As..."), QUrl::fromLocalFile(QDir::currentPath())).url(QUrl::PreferLocalFile); if(!s.isEmpty()) { m_outputFilename = s; m_pMergeResultWindowTitle->setFileName(m_outputFilename); bool bSuccess = m_pMergeResultWindow->saveDocument(m_outputFilename, m_pMergeResultWindowTitle->getEncoding(), m_pMergeResultWindowTitle->getLineEndStyle()); if(bSuccess) { m_bOutputModified = false; if(m_bDirCompare) m_pDirectoryMergeWindow->mergeResultSaved(m_outputFilename); } //setWindowTitle(url.fileName(),doc->isModified()); m_bDefaultFilename = false; } slotStatusMsg(i18n("Ready.")); } void printDiffTextWindow(RLPainter& painter, const QRect& view, const QString& headerText, DiffTextWindow* pDiffTextWindow, int line, int linesPerPage, const QColor &fgColor) { QRect clipRect = view; clipRect.setTop(0); painter.setClipRect(clipRect); painter.translate(view.left(), 0); QFontMetrics fm = painter.fontMetrics(); //if ( fm.width(headerText) > view.width() ) { // A simple wrapline algorithm int l = 0; for(int p = 0; p < headerText.length();) { QString s = headerText.mid(p); int i; for(i = 2; i < s.length(); ++i) if(fm.width(s, i) > view.width()) { --i; break; } //QString s2 = s.left(i); painter.drawText(0, l * fm.height() + fm.ascent(), s.left(i)); p += i; ++l; } painter.setPen(fgColor); painter.drawLine(0, view.top() - 2, view.width(), view.top() - 2); } painter.translate(0, view.top()); pDiffTextWindow->print(painter, view, line, linesPerPage); painter.resetMatrix(); } void KDiff3App::slotFilePrint() { if(m_pDiffTextWindow1 == nullptr) return; #ifdef QT_NO_PRINTER slotStatusMsg(i18n("Printing not implemented.")); #else QPrinter printer; QPointer printDialog=QPointer(new QPrintDialog(&printer, this)); - LineRef firstSelectionD3LIdx = -1; - LineRef lastSelectionD3LIdx = -1; + LineRef firstSelectionD3LIdx; + LineRef lastSelectionD3LIdx; m_pDiffTextWindow1->getSelectionRange(&firstSelectionD3LIdx, &lastSelectionD3LIdx, eD3LLineCoords); if(firstSelectionD3LIdx < 0 && m_pDiffTextWindow2) { m_pDiffTextWindow2->getSelectionRange(&firstSelectionD3LIdx, &lastSelectionD3LIdx, eD3LLineCoords); } if(firstSelectionD3LIdx < 0 && m_pDiffTextWindow3) { m_pDiffTextWindow3->getSelectionRange(&firstSelectionD3LIdx, &lastSelectionD3LIdx, eD3LLineCoords); } if(firstSelectionD3LIdx >= 0) { printDialog->addEnabledOption(QPrintDialog::PrintSelection); //printer.setOptionEnabled(QPrinter::PrintSelection,true); printDialog->setPrintRange(QAbstractPrintDialog::Selection); } if(firstSelectionD3LIdx == -1) printDialog->setPrintRange(QAbstractPrintDialog::AllPages); //printDialog.setMinMax(0,0); printDialog->setFromTo(0, 0); int currentFirstLine = m_pDiffTextWindow1->getFirstLine(); int currentFirstD3LIdx = m_pDiffTextWindow1->convertLineToDiff3LineIdx(currentFirstLine); // do some printer initialization printer.setFullPage(false); // initialize the printer using the print dialog if(printDialog->exec() == QDialog::Accepted) { slotStatusMsg(i18n("Printing...")); // create a painter to paint on the printer object RLPainter painter(&printer, m_pOptions->m_bRightToLeftLanguage, width(), fontMetrics().width('W')); QPaintDevice* pPaintDevice = painter.device(); int dpiy = pPaintDevice->logicalDpiY(); int columnDistance = (int)((0.5 / 2.54) * dpiy); // 0.5 cm between the columns int columns = m_bTripleDiff ? 3 : 2; int columnWidth = (pPaintDevice->width() - (columns - 1) * columnDistance) / columns; QFont f = m_pOptions->m_font; f.setPointSizeF(f.pointSizeF() - 1); // Print with slightly smaller font. painter.setFont(f); QFontMetrics fm = painter.fontMetrics(); QString topLineText = i18n("Top line"); //int headerWidth = fm.width( m_sd1.getAliasName() + ", "+topLineText+": 01234567" ); int headerLines = fm.width(m_sd1.getAliasName() + ", " + topLineText + ": 01234567") / columnWidth + 1; int headerMargin = headerLines * fm.height() + 3; // Text + one horizontal line int footerMargin = fm.height() + 3; QRect view(0, headerMargin, pPaintDevice->width(), pPaintDevice->height() - (headerMargin + footerMargin)); QRect view1(0 * (columnWidth + columnDistance), view.top(), columnWidth, view.height()); QRect view2(1 * (columnWidth + columnDistance), view.top(), columnWidth, view.height()); QRect view3(2 * (columnWidth + columnDistance), view.top(), columnWidth, view.height()); int linesPerPage = view.height() / fm.lineSpacing(); QEventLoop eventLoopForPrinting; m_pEventLoopForPrinting = &eventLoopForPrinting; if(m_pOptions->m_bWordWrap) { // For printing the lines are wrapped differently (this invalidates the first line) recalcWordWrap(columnWidth); m_pEventLoopForPrinting->exec(); } LineCount totalNofLines = std::max(m_pDiffTextWindow1->getNofLines(), m_pDiffTextWindow2->getNofLines()); if(m_bTripleDiff && m_pDiffTextWindow3) totalNofLines = std::max(totalNofLines, m_pDiffTextWindow3->getNofLines()); QList pageList; // = printer.pageList(); bool bPrintCurrentPage = false; bool bFirstPrintedPage = false; bool bPrintSelection = false; int totalNofPages = (totalNofLines + linesPerPage - 1) / linesPerPage; LineRef line; LineRef selectionEndLine; if(printer.printRange() == QPrinter::AllPages) { pageList.clear(); for(int i = 0; i < totalNofPages; ++i) { pageList.push_back(i + 1); } } else if(printer.printRange() == QPrinter::PageRange) { pageList.clear(); for(int i = printer.fromPage(); i <= printer.toPage(); ++i) { pageList.push_back(i); } } if(printer.printRange() == QPrinter::Selection) { bPrintSelection = true; if(firstSelectionD3LIdx >= 0) { line = m_pDiffTextWindow1->convertDiff3LineIdxToLine(firstSelectionD3LIdx); selectionEndLine = m_pDiffTextWindow1->convertDiff3LineIdxToLine(lastSelectionD3LIdx + 1); totalNofPages = (selectionEndLine - line + linesPerPage - 1) / linesPerPage; } } int page = 1; ProgressProxy pp; pp.setMaxNofSteps(totalNofPages); QList::iterator pageListIt = pageList.begin(); for(;;) { pp.setInformation(i18n("Printing page %1 of %2", page, totalNofPages), false); pp.setCurrent(page - 1); if(pp.wasCancelled()) { printer.abort(); break; } if(!bPrintSelection) { if(pageListIt == pageList.end()) break; page = *pageListIt; line = (page - 1) * linesPerPage; if(page == 10000) { // This means "Print the current page" bPrintCurrentPage = true; // Detect the first visible line in the window. line = m_pDiffTextWindow1->convertDiff3LineIdxToLine(currentFirstD3LIdx); } } else { if(line >= selectionEndLine) { break; } else { if(selectionEndLine - line < linesPerPage) linesPerPage = selectionEndLine - line; } } if(line >= 0 && line < totalNofLines) { if(bFirstPrintedPage) printer.newPage(); painter.setClipping(true); painter.setPen(m_pOptions->m_colorA); QString headerText1 = m_sd1.getAliasName() + ", " + topLineText + ": " + QString::number(m_pDiffTextWindow1->calcTopLineInFile(line) + 1); printDiffTextWindow(painter, view1, headerText1, m_pDiffTextWindow1, line, linesPerPage, m_pOptions->m_fgColor); painter.setPen(m_pOptions->m_colorB); QString headerText2 = m_sd2.getAliasName() + ", " + topLineText + ": " + QString::number(m_pDiffTextWindow2->calcTopLineInFile(line) + 1); printDiffTextWindow(painter, view2, headerText2, m_pDiffTextWindow2, line, linesPerPage, m_pOptions->m_fgColor); if(m_bTripleDiff && m_pDiffTextWindow3) { painter.setPen(m_pOptions->m_colorC); QString headerText3 = m_sd3.getAliasName() + ", " + topLineText + ": " + QString::number(m_pDiffTextWindow3->calcTopLineInFile(line) + 1); printDiffTextWindow(painter, view3, headerText3, m_pDiffTextWindow3, line, linesPerPage, m_pOptions->m_fgColor); } painter.setClipping(false); painter.setPen(m_pOptions->m_fgColor); painter.drawLine(0, view.bottom() + 3, view.width(), view.bottom() + 3); QString s = bPrintCurrentPage ? QString("") : QString::number(page) + '/' + QString::number(totalNofPages); if(bPrintSelection) s += i18n(" (Selection)"); painter.drawText((view.right() - painter.fontMetrics().width(s)) / 2, view.bottom() + painter.fontMetrics().ascent() + 5, s); bFirstPrintedPage = true; } if(bPrintSelection) { line += linesPerPage; ++page; } else { ++pageListIt; } } painter.end(); if(m_pOptions->m_bWordWrap) { recalcWordWrap(); m_pEventLoopForPrinting->exec(); m_pDiffVScrollBar->setValue(m_pDiffTextWindow1->convertDiff3LineIdxToLine(currentFirstD3LIdx)); } slotStatusMsg(i18n("Printing completed.")); } else { slotStatusMsg(i18n("Printing aborted.")); } #endif } void KDiff3App::slotFileQuit() { slotStatusMsg(i18n("Exiting...")); if(!queryClose()) return; // Don't quit QApplication::exit(isFileSaved() || isDirComparison() ? 0 : 1); } void KDiff3App::slotViewToolBar() { Q_ASSERT(viewToolBar != nullptr); slotStatusMsg(i18n("Toggling toolbar...")); m_pOptions->m_bShowToolBar = viewToolBar->isChecked(); /////////////////////////////////////////////////////////////////// // turn Toolbar on or off if(toolBar(MAIN_TOOLBAR_NAME) != nullptr) { if(!m_pOptions->m_bShowToolBar) { toolBar(MAIN_TOOLBAR_NAME)->hide(); } else { toolBar(MAIN_TOOLBAR_NAME)->show(); } } slotStatusMsg(i18n("Ready.")); } void KDiff3App::slotViewStatusBar() { slotStatusMsg(i18n("Toggle the statusbar...")); m_pOptions->m_bShowStatusBar = viewStatusBar->isChecked(); /////////////////////////////////////////////////////////////////// //turn Statusbar on or off if(statusBar() != nullptr) { if(!viewStatusBar->isChecked()) { statusBar()->hide(); } else { statusBar()->show(); } } slotStatusMsg(i18n("Ready.")); } void KDiff3App::slotStatusMsg(const QString& text) { /////////////////////////////////////////////////////////////////// // change status message permanently if(statusBar() != nullptr) { statusBar()->clearMessage(); statusBar()->showMessage(text); } } //#include "kdiff3.moc"