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165 lines
5.3 KiB
165 lines
5.3 KiB
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/**
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* Tries to find hadifix and mbrola by looking onto the hard disk. This is
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* neccessary because both hadifix and mbrola do not have standard
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* installation directories.
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*/
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void findInitialConfig() {
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QString hadifixDataPath = findHadifixDataPath();
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defaultHadifixExec = findExecutable("txt2pho", hadifixDataPath+"/../");
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QStringList list; list += "mbrola"; list += "mbrola-linux-i386";
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defaultMbrolaExec = findExecutable(list, hadifixDataPath+"/../../mbrola/");
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defaultVoices = findVoices (defaultMbrolaExec, hadifixDataPath);
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}
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/** Tries to find the hadifix data path by looking into a number of files. */
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QString findHadifixDataPath () {
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QStringList files;
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files += "/etc/txt2pho";
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files += QDir::homeDirPath()+"/.txt2phorc";
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QStringList::iterator it;
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for (it = files.begin(); it != files.end(); ++it) {
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QFile file(*it);
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if ( file.open(IO_ReadOnly) ) {
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QTextStream stream(&file);
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while (!stream.atEnd()) {
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QString s = stream.readLine().stripWhiteSpace();
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// look for a line "DATAPATH=..."
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if (s.startsWith("DATAPATH")) {
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s = s.mid(8, s.length()-8).stripWhiteSpace();
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if (s.startsWith("=")) {
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s = s.mid(1, s.length()-1).stripWhiteSpace();
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if (s.startsWith("/"))
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return s;
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else {
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QFileInfo info (QFileInfo(*it).dirPath() + "/" + s);
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return info.absFilePath();
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}
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}
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}
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}
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file.close();
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}
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}
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return "/usr/local/txt2pho/";
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}
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/** Tries to find the an executable by looking onto the hard disk. */
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QString findExecutable (const QStringList &names, const QString &possiblePath) {
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// a) Try to find it directly
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QStringList::ConstIterator it;
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QStringList::ConstIterator itEnd = names.constEnd();
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for (it = names.constBegin(); it != itEnd; ++it) {
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QString executable = KStandardDirs::findExe (*it);
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if (!executable.isNull() && !executable.isEmpty())
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return executable;
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}
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// b) Try to find it in the path specified by the second parameter
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for (it = names.constBegin(); it != itEnd; ++it) {
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QFileInfo info (possiblePath+*it);
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if (info.exists() && info.isExecutable() && info.isFile()) {
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return info.absFilePath();
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}
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}
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// Both tries failed, so the user has to locate the executable.
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return QString::null;
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}
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/** Tries to find the voice files by looking onto the hard disk. */
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QStringList findVoices(QString mbrolaExec, const QString &hadifixDataPath) {
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// First of all:
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// dereference links to the mbrola executable (if mbrolaExec is a link).
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for (int i = 0; i < 10; ++i) {
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// If we have a chain of more than ten links something is surely wrong.
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QFileInfo info (mbrolaExec);
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if (info.exists() && info.isSymLink())
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mbrolaExec = info.readLink();
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}
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// Second:
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// create a list of directories that possibly contain voice files
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QStringList list;
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// 2a) search near the mbrola executable
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QFileInfo info (mbrolaExec);
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if (info.exists() && info.isFile() && info.isExecutable()) {
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QString mbrolaPath = info.dirPath (true);
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list += mbrolaPath;
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}
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// 2b) search near the hadifix data path
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info.setFile(hadifixDataPath + "../../mbrola");
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QString mbrolaPath = info.dirPath (true) + "/mbrola";
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if (!list.contains(mbrolaPath))
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list += mbrolaPath;
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// 2c) broaden the search by adding subdirs (with a depth of 2)
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QStringList subDirs = findSubdirs (list);
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QStringList subSubDirs = findSubdirs (subDirs);
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list += subDirs;
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list += subSubDirs;
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// Third:
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// look into each of these directories and search for voice files.
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QStringList result;
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QStringList::iterator it;
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for (it = list.begin(); it != list.end(); ++it) {
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QDir baseDir (*it, QString::null,
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QDir::Name|QDir::IgnoreCase, QDir::Files);
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QStringList files = baseDir.entryList();
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QStringList::iterator iter;
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for (iter = files.begin(); iter != files.end(); ++iter) {
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// Voice files start with "MBROLA", but are afterwards binary files
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QString filename = *it + "/" + *iter;
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QFile file (filename);
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if (file.open(IO_ReadOnly)) {
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QTextStream stream(&file);
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if (!stream.atEnd()) {
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QString s = stream.readLine();
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if (s.startsWith("MBROLA"))
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if (HadifixProc::determineGender(mbrolaExec, filename)
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!= HadifixProc::NoVoice
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)
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result += filename;
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file.close();
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}
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}
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}
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}
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return result;
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}
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/** Returns a list of subdirs (with absolute paths) */
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QStringList findSubdirs (const QStringList &baseDirs) {
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QStringList result;
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QStringList::ConstIterator it;
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QStringList::ConstIterator itEnd = baseDirs.constEnd();
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for (it = baseDirs.constBegin(); it != itEnd; ++it) {
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// a) get a list of directory names
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QDir baseDir (*it, QString::null,
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QDir::Name|QDir::IgnoreCase, QDir::Dirs);
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QStringList list = baseDir.entryList();
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// b) produce absolute paths
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QStringList::ConstIterator iter;
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QStringList::ConstIterator iterEnd = list.constEnd();
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for (iter = list.constBegin(); iter != iterEnd; ++iter) {
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if ((*iter != ".") && (*iter != ".."))
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result += *it + "/" + *iter;
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}
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}
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return result;
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}
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