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Diffstat (limited to 'kmouth/speech.cpp')
| -rw-r--r-- | kmouth/speech.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/kmouth/speech.cpp b/kmouth/speech.cpp new file mode 100644 index 0000000..d2f7db8 --- /dev/null +++ b/kmouth/speech.cpp @@ -0,0 +1,242 @@ +/*************************************************************************** + speech.cpp - description + ------------------- + begin : Son Sep 8 2002 + copyright : (C) 2002 by Gunnar Schmi Dt + email : kmouth@schmi-dt.de + ***************************************************************************/ + +/*************************************************************************** + * * + * 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 "speech.h" +#include <qstring.h> +#include <qvaluelist.h> +#include <qvaluestack.h> +#include <qstringlist.h> +#include <qregexp.h> +#include <qtextcodec.h> +#include <qfile.h> +#include <kdebug.h> + +#include <kdeversion.h> +#ifdef KDE_IS_VERSION +#if KDE_IS_VERSION(3,2,0) + #define macroExpander + #include <kmacroexpander.h> +#endif +#endif + +Speech::Speech() { +} + +Speech::~Speech() { +} + +QString Speech::prepareCommand (QString command, const QString &text, + const QString &filename, const QString &language) { +#ifdef macroExpander + QMap<QChar,QString> map; + map['t'] = text; + map['f'] = filename; + map['l'] = language; + return KMacroExpander::expandMacrosShellQuote (command, map); +#else + QValueStack<bool> stack; // saved isdoublequote values during parsing of braces + bool issinglequote=false; // inside '...' ? + bool isdoublequote=false; // inside "..." ? + int noreplace=0; // nested braces when within ${...} + QString escText = KShellProcess::quote(text); + + // character sequences that change the state or need to be otherwise processed + QRegExp re_singlequote("('|%%|%t|%f|%l)"); + QRegExp re_doublequote("(\"|\\\\|`|\\$\\(|\\$\\{|%%|%t|%f|%l)"); + QRegExp re_noquote ("('|\"|\\\\|`|\\$\\(|\\$\\{|\\(|\\{|\\)|\\}|%%|%t|%f|%l)"); + + // parse the command: + for (int i = re_noquote.search(command); + i != -1; + i = (issinglequote?re_singlequote.search(command,i) + :isdoublequote?re_doublequote.search(command,i) + :re_noquote.search(command,i)) + ) + // while there are character sequences that need to be processed + { + if ((command[i]=='(') || (command[i]=='{')) { // (...) or {...} + // assert(isdoublequote == false) + stack.push(isdoublequote); + if (noreplace > 0) + // count nested braces when within ${...} + noreplace++; + i++; + } + else if (command[i]=='$') { // $(...) or ${...} + stack.push(isdoublequote); + isdoublequote = false; + if ((noreplace > 0) || (command[i+1]=='{')) + // count nested braces when within ${...} + noreplace++; + i+=2; + } + else if ((command[i]==')') || (command[i]=='}')) { + // $(...) or (...) or ${...} or {...} + if (!stack.isEmpty()) + isdoublequote = stack.pop(); + else + qWarning("Parse error."); + if (noreplace > 0) + // count nested braces when within ${...} + noreplace--; + i++; + } + else if (command[i]=='\'') { + issinglequote=!issinglequote; + i++; + } + else if (command[i]=='"') { + isdoublequote=!isdoublequote; + i++; + } + else if (command[i]=='\\') + i+=2; + else if (command[i]=='`') { + // Replace all `...` with safer $(...) + command.replace (i, 1, "$("); + QRegExp re_backticks("(`|\\\\`|\\\\\\\\|\\\\\\$)"); + for (int i2=re_backticks.search(command,i+2); + i2!=-1; + i2=re_backticks.search(command,i2) + ) + { + if (command[i2] == '`') { + command.replace (i2, 1, ")"); + i2=command.length(); // leave loop + } + else { + // remove backslash and ignore following character + command.remove (i2, 1); + i2++; + } + } + // Leave i unchanged! We need to process "$(" + } + else if (noreplace > 0) { // do not replace macros within ${...} + if (issinglequote) + i+=re_singlequote.matchedLength(); + else if (isdoublequote) + i+=re_doublequote.matchedLength(); + else + i+=re_noquote.matchedLength(); + } + else { // replace macro + QString match, v; + + // get match + if (issinglequote) + match=re_singlequote.cap(); + else if (isdoublequote) + match=re_doublequote.cap(); + else + match=re_noquote.cap(); + + // substitute %variables + if (match=="%t") + v = escText; + else if (match=="%f") + v = filename; + else if (match=="%%") + v = "%"; + else if (match=="%l") + v = language; + + // %variable inside of a quote? + if (isdoublequote) + v='"'+v+'"'; + else if (issinglequote) + v="'"+v+"'"; + + command.replace (i, match.length(), v); + i+=v.length(); + } + } + return command; +#endif +} + +void Speech::speak(QString command, bool stdIn, const QString &text, const QString &language, int encoding, QTextCodec *codec) { + if (text.length () > 0) { + // 1. prepare the text: + // 1.a) encode the text + QTextStream ts (encText, IO_WriteOnly); + if (encoding == Local) + ts.setEncoding (QTextStream::Locale); + else if (encoding == Latin1) + ts.setEncoding (QTextStream::Latin1); + else if (encoding == Unicode) + ts.setEncoding (QTextStream::Unicode); + else + ts.setCodec (codec); + ts << text; + + // 1.b) create a temporary file for the text + tempFile.setAutoDelete(true); + QTextStream* fs = tempFile.textStream(); + if (encoding == Local) + fs->setEncoding (QTextStream::Locale); + else if (encoding == Latin1) + fs->setEncoding (QTextStream::Latin1); + else if (encoding == Unicode) + fs->setEncoding (QTextStream::Unicode); + else + fs->setCodec (codec); + *fs << text; + *fs << endl; + QString filename = tempFile.file()->name(); + tempFile.close(); + + // 2. prepare the command: + command = prepareCommand (command, encText, filename, language); + + + // 3. create a new process + process << command; + connect(&process, SIGNAL(processExited(KProcess *)), this, SLOT(processExited(KProcess *))); + connect(&process, SIGNAL(wroteStdin(KProcess *)), this, SLOT(wroteStdin(KProcess *))); + connect(&process, SIGNAL(receivedStdout(KProcess *, char *, int)), this, SLOT(receivedStdout(KProcess *, char *, int))); + connect(&process, SIGNAL(receivedStderr(KProcess *, char *, int)), this, SLOT(receivedStderr(KProcess *, char *, int))); + + // 4. start the process + if (stdIn) { + process.start(KProcess::NotifyOnExit, KProcess::All); + if (encText.size() > 0) + process.writeStdin(encText, encText.size()); + else + process.closeStdin(); + } + else + process.start(KProcess::NotifyOnExit, KProcess::AllOutput); + } +} + +void Speech::receivedStdout (KProcess *, char *buffer, int buflen) { + kdDebug() << QString::fromLatin1(buffer, buflen) + "\n"; +} +void Speech::receivedStderr (KProcess *, char *buffer, int buflen) { + kdDebug() << QString::fromLatin1(buffer, buflen) + "\n"; +} + +void Speech::wroteStdin(KProcess *) { + process.closeStdin(); +} + +void Speech::processExited(KProcess *) { + delete this; +} + +#include "speech.moc" |