/************************************************************************ ** ** @file vabstractconverter.cpp ** @author Roman Telezhynskyi ** @date 10 12, 2014 ** ** @brief ** @copyright ** This source code is part of the Valentina project, a pattern making ** program, whose allow create and modeling patterns of clothing. ** Copyright (C) 2013-2015 Valentina project ** All Rights Reserved. ** ** Valentina 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 3 of the License, or ** (at your option) any later version. ** ** Valentina 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 Valentina. If not, see . ** *************************************************************************/ #include "vabstractconverter.h" #include "vparsererrorhandler.h" #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) #include #include #else #include #include #endif // QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../exception/vexception.h" #include "vdomdocument.h" //--------------------------------------------------------------------------------------------------------------------- VAbstractConverter::VAbstractConverter(const QString &fileName) : m_ver(0x0), m_originalFileName(fileName), m_convertedFileName(fileName) { setXMLContent(m_convertedFileName);// Throw an exception on error } //--------------------------------------------------------------------------------------------------------------------- QString VAbstractConverter::Convert() { if (m_ver == MaxVer()) { return m_convertedFileName; } if (not IsReadOnly()) { ReserveFile(); } if (m_tmpFile.open()) { m_convertedFileName = m_tmpFile.fileName(); } else { throw VException(tr("Error opening a temp file: %1.").arg(m_tmpFile.errorString())); } m_ver < MaxVer() ? ApplyPatches() : DowngradeToCurrentMaxVersion(); return m_convertedFileName; } //--------------------------------------------------------------------------------------------------------------------- auto VAbstractConverter::GetCurrentFormatVersion() const -> unsigned { return m_ver; } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::ReserveFile() const { //It's not possible in all cases make conversion without lose data. //For such cases we will store old version in a reserve file. QString error; QFileInfo info(m_convertedFileName); const QString reserveFileName = QString("%1/%2(v%3).%4.bak") .arg(info.absoluteDir().absolutePath(), info.baseName(), GetFormatVersionStr(), info.completeSuffix()); if (not SafeCopy(m_convertedFileName, reserveFileName, error)) { //#ifdef Q_OS_WIN32 // qt_ntfs_permission_lookup++; // turn checking on //#endif /*Q_OS_WIN32*/ const bool isFileWritable = info.isWritable(); //#ifdef Q_OS_WIN32 // qt_ntfs_permission_lookup--; // turn it off again //#endif /*Q_OS_WIN32*/ if (not IsReadOnly() && isFileWritable) { const QString errorMsg(tr("Error creating a reserv copy: %1.").arg(error)); throw VException(errorMsg); } } } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::Replace(QString &formula, const QString &newName, vsizetype position, const QString &token, vsizetype &bias) const { formula.replace(position, token.length(), newName); bias = token.length() - newName.length(); } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::CorrectionsPositions(vsizetype position, vsizetype bias, QMap &tokens) const { if (bias == 0) { return;// Nothing to correct; } BiasTokens(position, bias, tokens); } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::BiasTokens(vsizetype position, vsizetype bias, QMap &tokens) { QMap newTokens; QMap::const_iterator i = tokens.constBegin(); while (i != tokens.constEnd()) { if (i.key()<= position) { // Tokens before position "position" did not change his positions. newTokens.insert(i.key(), i.value()); } else { newTokens.insert(i.key()-bias, i.value()); } ++i; } tokens = newTokens; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief ValidateXML validate xml file by xsd schema. * @param schema path to schema file. */ void VAbstractConverter::ValidateXML(const QString &schema) const { qCDebug(vXML, "Validation xml file %s.", qUtf8Printable(m_convertedFileName)); QFile fileSchema(schema); if (not fileSchema.open(QIODevice::ReadOnly)) { const QString errorMsg(tr("Can't open schema file %1:\n%2.").arg(schema, fileSchema.errorString())); throw VException(errorMsg); } VParserErrorHandler parserErrorHandler; #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) XERCES_CPP_NAMESPACE::XercesDOMParser domParser; domParser.setErrorHandler(&parserErrorHandler); QByteArray data = fileSchema.readAll(); const char* schemaData = data.constData(); QScopedPointer grammarSource( new XERCES_CPP_NAMESPACE::MemBufInputSource(reinterpret_cast(schemaData), strlen(schemaData), "schema")); if (domParser.loadGrammar( *grammarSource, XERCES_CPP_NAMESPACE::Grammar::SchemaGrammarType, true) == nullptr) { VException e(parserErrorHandler.StatusMessage()); e.AddMoreInformation(tr("Could not load schema file '%1'.").arg(fileSchema.fileName())); throw e; } qCDebug(vXML, "Schema loaded."); if (parserErrorHandler.HasError()) { VException e(parserErrorHandler.StatusMessage()); e.AddMoreInformation(tr("Schema file %3 invalid in line %1 column %2").arg(parserErrorHandler.Line()) .arg(parserErrorHandler.Column()).arg(fileSchema.fileName())); throw e; } domParser.setValidationScheme(XERCES_CPP_NAMESPACE::XercesDOMParser::Val_Always); domParser.setDoNamespaces(true); domParser.setDoSchema(true); domParser.setValidationConstraintFatal(true); domParser.setValidationSchemaFullChecking(true); domParser.useCachedGrammarInParse(true); QFile pattern(m_convertedFileName); if (not pattern.open(QIODevice::ReadOnly)) { const QString errorMsg(tr("Can't open file %1:\n%2.").arg(m_convertedFileName, pattern.errorString())); throw VException(errorMsg); } QByteArray patternFileData = pattern.readAll(); const char* patternData = patternFileData.constData(); QScopedPointer patternSource( new XERCES_CPP_NAMESPACE::MemBufInputSource(reinterpret_cast(patternData), strlen(patternData), "pattern")); domParser.parse(*patternSource); if (domParser.getErrorCount() > 0) { VException e(parserErrorHandler.StatusMessage()); e.AddMoreInformation(tr("Validation error file %3 in line %1 column %2").arg(parserErrorHandler.Line()) .arg(parserErrorHandler.Column()).arg(m_originalFileName)); throw e; } #else QFile pattern(m_convertedFileName); if (not pattern.open(QIODevice::ReadOnly)) { const QString errorMsg(tr("Can't open file %1:\n%2.").arg(m_convertedFileName, pattern.errorString())); throw VException(errorMsg); } QXmlSchema sch; sch.setMessageHandler(&parserErrorHandler); if (sch.load(&fileSchema, QUrl::fromLocalFile(fileSchema.fileName()))==false) { VException e(parserErrorHandler.StatusMessage()); e.AddMoreInformation(tr("Could not load schema file '%1'.").arg(fileSchema.fileName())); throw e; } qCDebug(vXML, "Schema loaded."); bool errorOccurred = false; if (sch.isValid() == false) { errorOccurred = true; } else { QXmlSchemaValidator validator(sch); if (validator.validate(&pattern, QUrl::fromLocalFile(pattern.fileName())) == false) { errorOccurred = true; } } if (errorOccurred) { VException e(parserErrorHandler.StatusMessage()); e.AddMoreInformation(tr("Validation error file %3 in line %1 column %2").arg(parserErrorHandler.Line()) .arg(parserErrorHandler.Column()).arg(m_originalFileName)); throw e; } #endif // QT_VERSION < QT_VERSION_CHECK(6, 0, 0) } //--------------------------------------------------------------------------------------------------------------------- Q_NORETURN void VAbstractConverter::InvalidVersion(unsigned ver) const { if (ver < MinVer()) { const QString errorMsg(tr("Invalid version. Minimum supported format version is %1").arg(MinVerStr())); throw VException(errorMsg); } if (ver > MaxVer()) { const QString errorMsg(tr("Invalid version. Maximum supported format version is %1").arg(MaxVerStr())); throw VException(errorMsg); } const QString errorMsg(tr("Unexpected version \"%1\".").arg(ver, 0, 16)); throw VException(errorMsg); } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::ValidateInputFile(const QString ¤tSchema) const { QString schema; try { schema = XSDSchema(m_ver); } catch(const VException &e) { if (m_ver < MinVer()) { // Version less than minimally supported version. Can't do anything. throw; } if (m_ver > MaxVer()) { // Version bigger than maximum supported version. We still have a chance to open the file. try { // Try to open like the current version. ValidateXML(currentSchema); } catch(const VException &exp) { // Nope, we can't. Q_UNUSED(exp) throw e; } } else { // Unexpected version. Most time mean that we do not catch all versions between min and max. throw; } return; // All is fine and we can try to convert to current max version. } ValidateXML(schema); } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::Save() { m_tmpFile.resize(0);//clear previous content const int indent = 4; QTextStream out(&m_tmpFile); #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) out.setCodec("UTF-8"); #endif save(out, indent); if (not m_tmpFile.flush()) { throw VException(m_tmpFile.errorString()); } } //--------------------------------------------------------------------------------------------------------------------- void VAbstractConverter::SetVersion(const QString &version) { ValidateVersion(version); if (setTagText(TagVersion, version) == false) { VException e(tr("Could not change version.")); throw e; } } //--------------------------------------------------------------------------------------------------------------------- QString VAbstractConverter::XSDSchema(unsigned int ver) const { const QHash schemas = Schemas(); if (schemas.contains(ver)) { return schemas.value(ver); } InvalidVersion(ver); }