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
@@ -3,342 +3,347 @@
 /* OPIE */
 #include <opie2/odebug.h>
 using namespace Opie::Core;
 
 /* QT */
 #include <qmessagebox.h>
 
 // CfgEntry implementation
 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
 CfgFile::CfgFile():ardelay(400), arperiod(80) {
 }
 
 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
 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
 CfgHandler::CfgHandler(CfgParser& c):cfg(c) {
 }
 
 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;
 }