fixed a crasher when configfile isn't writeable

empty labels will replaced by filename

1 files changed, 185 insertions, 180 deletions

diff --git a/noncore/apps/keyz-cfg/cfgfile.cpp b/noncore/apps/keyz-cfg/cfgfile.cpp
index 81d1ee1..be7150e 100644
--- a/noncore/apps/keyz-cfg/cfgfile.cpp
+++ b/noncore/apps/keyz-cfg/cfgfile.cpp
@@ -12,23 +12,23 @@ CfgEntry::CfgEntry() {
 }
 
 CfgEntry::CfgEntry(const QString& f, const QString& l):
-        file(f), label(l) {
+    file(f), label(l) {
 }
 
 const QString& CfgEntry::getFile() const {
-        return file;
+    return file;
 }
 
 void CfgEntry::setFile(const QString& f) {
-        file = f;
+    file = f;
 }
 
 const QString& CfgEntry::getLabel() const {
-        return label;
+    return label;
 }
 
 void CfgEntry::setLabel(const QString& f) {
-        label = f;
+    label = f;
 }
 
 // CfgFile implementation
@@ -39,47 +39,47 @@ CfgFile::~CfgFile() {
 }
 
 QList<CfgEntry>& CfgFile::getEntries() {
-        return entries;
+    return entries;
 }
 
 bool CfgFile::replaceEntry(const QString& file, const QString& label, int index) {
-        deleteEntry(file);
+    deleteEntry(file);
 
-        CfgEntry* entry = new CfgEntry(file, label);
-        if (index >= 0) {
-                entries.insert(index, entry);
-        } else {
-                entries.append(entry);
-        }
+    CfgEntry* entry = new CfgEntry(file, label);
+    if (index >= 0) {
+        entries.insert(index, entry);
+    } else {
+        entries.append(entry);
+    }
 
-        return true;
+    return true;
 }
 
 bool CfgFile::deleteEntry(const QString& file) {
-        for(int i = 0; i < (int) entries.count(); i++) {
-                CfgEntry* entry = entries.at(i);
-                if (entry->getFile() == file) {
-                        entries.remove(i);
-                        return true;
-                }
-        }
-        return false;
+    for(int i = 0; i < (int) entries.count(); i++) {
+        CfgEntry* entry = entries.at(i);
+        if (entry->getFile() == file) {
+            entries.remove(i);
+            return true;
+        }
+    }
+    return false;
 }
 
 int CfgFile::getAutorepeatDelay() const {
-        return ardelay;
+    return ardelay;
 }
 
 void CfgFile::setAutorepeatDelay(int n) {
-        ardelay = n;
+    ardelay = n;
 }
 
 int CfgFile::getAutorepeatPeriod() const {
-        return arperiod;
+    return arperiod;
 }
 
 void CfgFile::setAutorepeatPeriod(int n) {
-        arperiod = n;
+    arperiod = n;
 }
 
 // CfgParser implementation
@@ -87,167 +87,172 @@ CfgParser::CfgParser() {
 }
 
 bool CfgParser::load(QString file, CfgFile& cfg) {
-        QFile f(file);
-        QXmlInputSource is(f);
-        QXmlSimpleReader reader;
-        CfgHandler p(*this);
-        
-        reader.setErrorHandler(this);
-        reader.setContentHandler(&p);
-
-        err = "";
-        ardelay = -1;
-        arperiod = -1;
-        reader.parse(is);
-
-        if (!err.isEmpty()) {
-                odebug << err << oendl; 
-                return false;
-        }
-
-        QMap<QString, QString>::Iterator fit, lit;
-        for(uint i = 0; i < includeList.count(); i++) {
-                QString file = *includeList.at(i);
-                fit = includes.find(file);
-                QString prefix = fit.data();
-                QString label = "";
-
-                odebug << "include: file=" + fit.key() + ", prefix=" + fit.data() << oendl; 
-                lit = labels.find(prefix+":*");
-                if (lit != labels.end()) {
-                        label = lit.data();
-                }
-
-                cfg.replaceEntry(file, label);
-        }
-
-        if (ardelay != -1) {
-                cfg.setAutorepeatDelay(ardelay);
-        }
-
-        if (arperiod != -1) {
-                cfg.setAutorepeatPeriod(arperiod);
-        }
-
-        return true;
+    QFile f(file);
+    QXmlInputSource is(f);
+    QXmlSimpleReader reader;
+    CfgHandler p(*this);
+
+    reader.setErrorHandler(this);
+    reader.setContentHandler(&p);
+
+    err = "";
+    ardelay = -1;
+    arperiod = -1;
+    reader.parse(is);
+
+    if (!err.isEmpty()) {
+        odebug << err << oendl;
+        return false;
+    }
+
+    QMap<QString, QString>::Iterator fit, lit;
+    for(uint i = 0; i < includeList.count(); i++) {
+        QString file = *includeList.at(i);
+        fit = includes.find(file);
+        QString prefix = fit.data();
+        QString label = "";
+
+        odebug << "include: file=" + fit.key() + ", prefix=" + fit.data() << oendl;
+        lit = labels.find(prefix+":*");
+        if (lit != labels.end()) {
+            label = lit.data();
+        }
+
+        cfg.replaceEntry(file, label);
+    }
+
+    if (ardelay != -1) {
+        cfg.setAutorepeatDelay(ardelay);
+    }
+
+    if (arperiod != -1) {
+        cfg.setAutorepeatPeriod(arperiod);
+    }
+
+    return true;
 }
 
 bool CfgParser::save(QString file, CfgFile& cfg) {
-        FILE* f = fopen((const char*) file.local8Bit(), "w");
-
-        fprintf(f, "<keymap autorepeat-delay=\"%d\" autorepeat-period=\"%d\" "
-                "author=\"keyzcfg\">\n", cfg.getAutorepeatDelay(), 
-                cfg.getAutorepeatPeriod());
-
-        QList<CfgEntry>& entries = cfg.getEntries();
-        int n;
-
-        for(n=0; n < (int) entries.count(); n++) {
-                CfgEntry* entry = entries.at(n);
-                QString l = entry->getLabel();
-                if (!l.isEmpty()) {
-                        fprintf(f, "\t<label name=\"%s\" state=\"km%d:*\"/>\n", 
-                                (const char*) l.utf8(), n);
-                }
-        }
-
-        for(n=0; n < (int) entries.count(); n++) {
-                CfgEntry* entry = entries.at(n);
-                fprintf(f, "\t<include file=\"%s\" prefix=\"km%d\"/>\n",
-                        (const char*) entry->getFile().utf8(), n);
-        }
-
-        int k = n-1;
-        char* states[] = { "LShift", "LShift-Caps", "LShift-Num",
-                "LShift-Num-Caps", 0};
-
-        for(n=0; n < (int) entries.count(); n++) {
-                QString nstate = "km" + QString::number(n+1);
-                if (n == k) {
-                        nstate = "km" + QString::number(0);
-                }
-
-                for(int i = 0; states[i] != 0; i++) {
-                        fprintf(f, "\t<state name=\"km%d:%s\">\n",
-                                n, states[i]);
-                        fprintf(f, "\t\t<map keycode=\"Middle\" pressed=\"true\">\n");
-                        fprintf(f, "\t\t\t<next-state name=\"%s:%s\"/>\n", 
-                                (const char*) nstate.utf8(), states[i]);
-                        fprintf(f, "\t\t</map>\n\t</state>\n\n");
-                }
-        }
-
-        fprintf(f, "\t<state name=\"km0:Normal\" default=\"true\"/>\n");
-
-        fprintf(f, "</keymap>");
-        fclose(f);
-        return true;
+    FILE* f = fopen((const char*) file.local8Bit(), "w");
+    if (!f) {
+        oerr << "Could not write config file!" << oendl;
+        return false;
+    }
+
+    fprintf(f, "<keymap autorepeat-delay=\"%d\" autorepeat-period=\"%d\" "
+        "author=\"keyzcfg\">\n", cfg.getAutorepeatDelay(),
+        cfg.getAutorepeatPeriod());
+
+    QList<CfgEntry>& entries = cfg.getEntries();
+    int n;
+
+    for(n=0; n < (int) entries.count(); n++) {
+        CfgEntry* entry = entries.at(n);
+        QString l = entry->getLabel();
+        if (l.isEmpty()) {
+            l = entry->getFile();
+        }
+        fprintf(f, "\t<label name=\"%s\" state=\"km%d:*\"/>\n",
+                (const char*) l.utf8(), n);
+    }
+
+    for(n=0; n < (int) entries.count(); n++) {
+        CfgEntry* entry = entries.at(n);
+        fprintf(f, "\t<include file=\"%s\" prefix=\"km%d\"/>\n",
+            (const char*) entry->getFile().utf8(), n);
+    }
+
+    int k = n-1;
+    char* states[] = { "LShift", "LShift-Caps", "LShift-Num",
+        "LShift-Num-Caps", 0};
+
+    for(n=0; n < (int) entries.count(); n++) {
+        QString nstate = "km" + QString::number(n+1);
+        if (n == k) {
+            nstate = "km" + QString::number(0);
+        }
+
+        for(int i = 0; states[i] != 0; i++) {
+            fprintf(f, "\t<state name=\"km%d:%s\">\n",
+                n, states[i]);
+            fprintf(f, "\t\t<map keycode=\"Middle\" pressed=\"true\">\n");
+            fprintf(f, "\t\t\t<next-state name=\"%s:%s\"/>\n",
+                (const char*) nstate.utf8(), states[i]);
+            fprintf(f, "\t\t</map>\n\t</state>\n\n");
+        }
+    }
+
+    fprintf(f, "\t<state name=\"km0:Normal\" default=\"true\"/>\n");
+
+    fprintf(f, "</keymap>");
+    fclose(f);
+    return true;
 }
 
 CfgParser::~CfgParser() {
 }
 
 int CfgParser::getAutorepeatDelay() const {
-        return ardelay;
+    return ardelay;
 }
 
 void CfgParser::setAutorepeatDelay(int n) {
-        ardelay = n;
+    ardelay = n;
 }
 
 int CfgParser::getAutorepeatPeriod() const {
-        return arperiod;
+    return arperiod;
 }
 
 void CfgParser::setAutorepeatPeriod(int n) {
-        arperiod = n;
+    arperiod = n;
 }
 
 void CfgParser::addLabel(const QString& name, const QString& state) {
-        labels.insert(state, name);
-        labelList.append(&labels.find(state).data());
+    labels.insert(state, name);
+    labelList.append(&labels.find(state).data());
 }
 
 void CfgParser::addFile(const QString& file, const QString& prefix) {
-        includes.insert(file, prefix);
-        includeList.append(&includes.find(file).key());
+    includes.insert(file, prefix);
+    includeList.append(&includes.find(file).key());
 }
 
 QString CfgParser::errorString() {
-        return err;
+    return err;
 }
 
 bool CfgParser::warning(const QXmlParseException& e) {
-        QString tmp;
+    QString tmp;
 
-        tmp.sprintf("%d: warning: %s\n", e.lineNumber(), 
-                (const char*) e.message().utf8());
+    tmp.sprintf("%d: warning: %s\n", e.lineNumber(),
+        (const char*) e.message().utf8());
 
-        err += tmp;
+    err += tmp;
 
-        return true;
+    return true;
 }
 
 bool CfgParser::error(const QXmlParseException& e) {
-        QString tmp;
+    QString tmp;
 
-        tmp.sprintf("%d: error: %s\n", e.lineNumber(), 
-                (const char*) e.message().utf8());
+    tmp.sprintf("%d: error: %s\n", e.lineNumber(),
+        (const char*) e.message().utf8());
 
-        err += tmp;
+    err += tmp;
 
-        return true;
+    return true;
 }
 
 bool CfgParser::fatalError(const QXmlParseException& e) {
-        QString tmp;
+    QString tmp;
 
-        tmp.sprintf("%d: fatal error: %s\n", e.lineNumber(), 
-                (const char*) e.message().utf8());
+    tmp.sprintf("%d: fatal error: %s\n", e.lineNumber(),
+        (const char*) e.message().utf8());
 
-        err += tmp;
+    err += tmp;
 
-        return false;
+    return false;
 }
 
 // CfgHandler implementation
@@ -258,87 +263,87 @@ CfgHandler::~CfgHandler() {
 }
 
 bool CfgHandler::startKeymapElement(int ard, int arp, const QString& author) {
-        if (author != "keyzcfg") {
-                bool ret;
-                ret = QMessageBox::warning(0, "keyz configurator", 
-                        "Your zkb.xml doesn't seem created by keyz configurator.\n"
-                        "By using keyz configurator you may loose your current "
-                        "configuration\n Do you want to continue\n\n",
-                        "Yes", "No", 0, 0, 1);
+    if (author != "keyzcfg") {
+        bool ret;
+        ret = QMessageBox::warning(0, "keyz configurator",
+            "Your zkb.xml doesn't seem created by keyz configurator.\n"
+            "By using keyz configurator you may loose your current "
+            "configuration\n Do you want to continue\n\n",
+            "Yes", "No", 0, 0, 1);
 
-                if (ret != 0) {
-                        err = "cancelled by user";
-                        return false;
-                }
-        }
+        if (ret != 0) {
+            err = "cancelled by user";
+            return false;
+        }
+    }
 
-        if (ard != -1) {
-                cfg.setAutorepeatDelay(ard);
-        }
+    if (ard != -1) {
+        cfg.setAutorepeatDelay(ard);
+    }
 
-        if (arp != -1) {
-                cfg.setAutorepeatPeriod(arp);
-        }
+    if (arp != -1) {
+        cfg.setAutorepeatPeriod(arp);
+    }
 
-        return true;
+    return true;
 }
 
-bool CfgHandler::startIncludeElement(const QString& file, 
-        const QString& pref) {
+bool CfgHandler::startIncludeElement(const QString& file,
+    const QString& pref) {
 
-        cfg.addFile(file, pref);
-        return true;
+    cfg.addFile(file, pref);
+    return true;
 }
 
-bool CfgHandler::startLabelElement(const QString& label, 
-        const QString& state) {
+bool CfgHandler::startLabelElement(const QString& label,
+    const QString& state) {
 
-        cfg.addLabel(label, state);
-        return true;
+    cfg.addLabel(label, state);
+    return true;
 }
 
 bool CfgHandler::startStateElement(const QString&, const QString&, bool) {
 
-        return true;
+    return true;
 }
 
 bool CfgHandler::startMapElement(int, bool) {
-        return true;
+    return true;
 }
 
 bool CfgHandler::startEventElement(int, int, int, bool, bool) {
-        return true;
+    return true;
 }
 
 bool CfgHandler::startNextStateElement(const QString&) {
-        return true;
+    return true;
 }
 
 
 bool CfgHandler::endKeymapElement() {
-        return true;
+    return true;
 }
 
 bool CfgHandler::endIncludeElement() {
-        return true;
+    return true;
 }
 
 bool CfgHandler::endLabelElement() {
-        return true;
+    return true;
 }
 
 bool CfgHandler::endStateElement() {
-        return true;
+    return true;
 }
 
 bool CfgHandler::endMapElement() {
-        return true;
+    return true;
 }
 
 bool CfgHandler::endEventElement() {
-        return true;
+    return true;
 }
 
 bool CfgHandler::endNextStateElement() {
-        return true;
+    return true;
 }