void TableGenerator::parseIncludeInstruction(QString line)
{
// Parse something that looks like:
// include "/usr/share/X11/locale/en_US.UTF-8/Compose"
QString quote = QStringLiteral("\"");
line.remove(0, line.indexOf(quote) + 1);
line.chop(line.length() - line.indexOf(quote));
// expand substitutions if present
line.replace(QLatin1String("%H"), QString(qgetenv("HOME")));
line.replace(QLatin1String("%L"), systemComposeDir() + QLatin1Char('/') + composeTableForLocale());
line.replace(QLatin1String("%S"), systemComposeDir());
processFile(line);
}
void TableGenerator::findComposeFile()
{
bool found = false;
// check if XCOMPOSEFILE points to a Compose file
if (qEnvironmentVariableIsSet("XCOMPOSEFILE")) {
QString composeFile(qgetenv("XCOMPOSEFILE"));
if (composeFile.endsWith(QLatin1String("Compose")))
found = processFile(composeFile);
else
qWarning("Qt Warning: XCOMPOSEFILE doesn't point to a valid Compose file");
#ifdef DEBUG_GENERATOR
if (found)
qDebug() << "Using Compose file from: " << composeFile;
#endif
}
// check if user’s home directory has a file named .XCompose
if (!found && cleanState()) {
QString composeFile = qgetenv("HOME") + QStringLiteral("/.XCompose");
if (QFile(composeFile).exists())
found = processFile(composeFile);
#ifdef DEBUG_GENERATOR
if (found)
qDebug() << "Using Compose file from: " << composeFile;
#endif
}
// check for the system provided compose files
if (!found && cleanState()) {
QString table = composeTableForLocale();
if (cleanState()) {
if (table.isEmpty())
// no table mappings for the system's locale in the compose.dir
m_state = UnsupportedLocale;
else
found = processFile(systemComposeDir() + QLatin1Char('/') + table);
#ifdef DEBUG_GENERATOR
if (found)
qDebug() << "Using Compose file from: " <<
systemComposeDir() + QLatin1Char('/') + table;
#endif
}
}
if (found && m_composeTable.isEmpty())
m_state = EmptyTable;
if (!found)
m_state = MissingComposeFile;
}
QString TableGenerator::findComposeFile()
{
// check if XCOMPOSEFILE points to a Compose file
if (qEnvironmentVariableIsSet("XCOMPOSEFILE")) {
const QString path = QFile::decodeName(qgetenv("XCOMPOSEFILE"));
if (QFile::exists(path))
return path;
else
qWarning("$XCOMPOSEFILE doesn't point to an existing file");
}
// check if user’s home directory has a file named .XCompose
if (cleanState()) {
QString path = qgetenv("HOME") + QLatin1String("/.XCompose");
if (QFile::exists(path))
return path;
}
// check for the system provided compose files
if (cleanState()) {
QString table = composeTableForLocale();
if (cleanState()) {
if (table.isEmpty())
// no table mappings for the system's locale in the compose.dir
m_state = UnsupportedLocale;
else {
QString path = QDir(systemComposeDir()).filePath(table);
if (QFile::exists(path))
return path;
}
}
}
return QString();
}
QString TableGenerator::readLocaleMappings(const QByteArray &locale)
{
QString file;
if (locale.isEmpty())
return file;
QFile mappings(systemComposeDir() + QLatin1String("/compose.dir"));
if (mappings.open(QIODevice::ReadOnly)) {
const int localeNameLength = locale.size();
const char * const localeData = locale.constData();
char l[1024];
// formating of compose.dir has some inconsistencies
while (!mappings.atEnd()) {
int read = mappings.readLine(l, sizeof(l));
if (read <= 0)
break;
char *line = l;
if (*line >= 'a' && *line <= 'z') {
// file name
while (*line && *line != ':' && *line != ' ' && *line != '\t')
++line;
if (!*line)
continue;
const char * const composeFileNameEnd = line;
*line = '\0';
++line;
// locale name
while (*line && (*line == ' ' || *line == '\t'))
++line;
const char * const lc = line;
while (*line && *line != ' ' && *line != '\t' && *line != '\n')
++line;
*line = '\0';
if (localeNameLength == (line - lc) && !strncasecmp(lc, localeData, line - lc)) {
file = QString::fromLocal8Bit(l, composeFileNameEnd - l);
break;
}
}
}
mappings.close();
}
return file;
}
QByteArray TableGenerator::readLocaleAliases(const QByteArray &locale)
{
QFile aliases(systemComposeDir() + QLatin1String("/locale.alias"));
QByteArray fullLocaleName;
if (aliases.open(QIODevice::ReadOnly)) {
while (!aliases.atEnd()) {
char l[1024];
int read = aliases.readLine(l, sizeof(l));
char *line = l;
if (read && ((*line >= 'a' && *line <= 'z') ||
(*line >= 'A' && *line <= 'Z'))) {
const char *alias = line;
while (*line && *line != ':' && *line != ' ' && *line != '\t')
++line;
if (!*line)
continue;
*line = 0;
if (locale.size() == (line - alias)
&& !strncasecmp(alias, locale.constData(), line - alias)) {
// found a match for alias, read the real locale name
++line;
while (*line && (*line == ' ' || *line == '\t'))
++line;
const char *fullName = line;
while (*line && *line != ' ' && *line != '\t' && *line != '\n')
++line;
*line = 0;
fullLocaleName = fullName;
#ifdef DEBUG_GENERATOR
qDebug() << "Alias for: " << alias << "is: " << fullLocaleName;
break;
#endif
}
}
}
aliases.close();
}
return fullLocaleName;
}
