* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "cliparser.h"
-#include <QDebug>
-CliParser::CliParser(int argc, char *argv[])
+#include <QString>
+#include <QFileInfo>
+
+CliParser::CliParser(QStringList arguments)
{
- if(argc) {
- for (int i=0; i < argc; ++i)
- argsRaw.append(QString::fromUtf8(argv[i]));
- }
+ argsRaw = arguments;
+// remove Qt internal debugging arguments
+ argsRaw.removeOne("-sync");
+ argsRaw.removeOne("-nograb");
+ argsRaw.removeOne("-dograb");
}
-
-CliParser::~CliParser()
-{
+void CliParser::addSwitch(const QString longName, const char shortName, const QString help) {
+ CliParserArg arg = CliParserArg(CliParserArg::CliArgSwitch, shortName, help);
+ argsHash.insert(longName, arg);
+ if(shortName) {
+ if(!shortHash.contains(shortName)) shortHash.insert(shortName, argsHash.find(longName));
+ else qWarning("Warning: shortName %c defined multiple times.", shortName);
+ }
}
-void CliParser::addArgument(QString longName, char shortName = 0, QVariant def = QVariant()) {
- CliParserArg arg = CliParserArg(longName, shortName, def);
+void CliParser::addOption(const QString longName, const char shortName, const QString help, const QString def) {
+ CliParserArg arg = CliParserArg(CliParserArg::CliArgOption, shortName, help, def);
argsHash.insert(longName, arg);
- qDebug() << "Added Argument: " << longName << " with arg-addr: " << &arg;
+ if(shortName) {
+ if(!shortHash.contains(shortName)) shortHash.insert(shortName, argsHash.find(longName));
+ else qWarning("Warning: shortName %c defined multiple times.", shortName);
+ }
}
bool CliParser::parse() {
- qDebug() << "Parse results: ";
- qDebug() << argsHash.value("logfile").value;
- argsHash[QString("logfile")].value = "BOOYA";
+ QStringList::const_iterator currentArg;
+ for (currentArg = argsRaw.constBegin(); currentArg != argsRaw.constEnd(); ++currentArg) {
+ if(currentArg->startsWith("--")) {
+ QString name;
+ // long
+ if(currentArg->contains("=")) {
+ // option
+ QStringList tmp = currentArg->mid(2).split("=");
+ name = tmp.at(0);
+ QString value = tmp.at(1);
+ if(argsHash.contains(name) && !value.isEmpty()){
+ argsHash[name].value = value;
+ }
+ else return false;
+ }
+ else {
+ // switch
+ name = currentArg->mid(2);
+ if(argsHash.contains(name)) {
+ argsHash[name].boolValue = true;
+ }
+ else return false;
+ }
+ }
+ else if(currentArg->startsWith("-")) {
+ char name;
+ // short
+ bool bla = true;
+ if(++currentArg == argsRaw.constEnd()) {
+ --currentArg;
+ bla = false;
+ }
+ // if next arg is a short/long option/switch the current arg is one too
+ if(currentArg->startsWith("-")) {
+ // switch
+ if(bla) --currentArg;
+ for (int i = 0; i < currentArg->mid(1).toAscii().size(); i++) {
+ name = currentArg->mid(1).toAscii().at(i);
+ if(shortHash.contains(name) && shortHash.value(name).value().type == CliParserArg::CliArgSwitch) {
+ shortHash[name].value().boolValue = true;
+ }
+ else return false;
+ }
+ }
+ // if next arg is is no option/switch it's an argument to a shortoption
+ else {
+ // option
+ QString value = currentArg->toLocal8Bit();
+ if(bla) --currentArg;
+ name = currentArg->mid(1).toAscii().at(0);
+ if(bla) currentArg++;
+ if(shortHash.contains(name) && shortHash.value(name).value().type == CliParserArg::CliArgOption) {
+ shortHash[name].value().value = value;
+ }
+ else return false;
+ }
+ }
+ else {
+ // we don't support plain arguments without -/--
+ if(currentArg->toLatin1() != argsRaw.at(0)) {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
+void CliParser::usage() {
+ qWarning("Usage: %s [arguments]",QFileInfo(argsRaw.at(0)).completeBaseName().toLatin1().constData());
+
+ // get size of longName field
+ QStringList keys = argsHash.keys();
+ uint lnameFieldSize = 0;
+ foreach (QString key, keys) {
+ uint size = 0;
+ if(argsHash.value(key).type == CliParserArg::CliArgOption)
+ size += key.size()*2;
+ else
+ size += key.size();
+ // this is for " --...=[....] "
+ size += 8;
+ if(size > lnameFieldSize) lnameFieldSize = size;
+ }
+
+ QHash<QString, CliParserArg>::const_iterator arg;
+ for(arg = argsHash.constBegin(); arg != argsHash.constEnd(); ++arg) {
+ QString output;
+ QString lnameField;
+
+ if(arg.value().shortName) {
+ output.append(" -").append(arg.value().shortName).append(",");
+ }
+ else output.append(" ");
+ lnameField.append(" --").append(arg.key());
+ if(arg.value().type == CliParserArg::CliArgOption) {
+ lnameField.append("=[").append(arg.key().toUpper()).append("]");
+ }
+ output.append(lnameField.leftJustified(lnameFieldSize));
+ if(!arg.value().help.isEmpty()) {
+ output.append(arg.value().help);
+ }
+ if(arg.value().type == CliParserArg::CliArgOption) {
+ output.append(". Default is: ").append(arg.value().def);
+ }
+ qWarning(output.toLatin1());
+ }
}
-QVariant CliParser::value(QString key) {
- return argsHash.value(key).value;
+QString CliParser::value(const QString &longName) {
+ if(argsHash.contains(longName) && argsHash.value(longName).type == CliParserArg::CliArgOption) {
+ if(!argsHash.value(longName).value.isEmpty())
+ return argsHash.value(longName).value;
+ else
+ return argsHash.value(longName).def;
+ }
+ else {
+ qWarning("Warning: Requested value of not defined argument '%s' or argument is a switch",longName.toLatin1().constData());
+ return QString();
+ }
}
-CliParserArg::CliParserArg(QString longName, char shortName = 0, QVariant _def = QVariant() )
- : lname(longName),
- sname(shortName),
+bool CliParser::isSet(const QString &longName) {
+ if(argsHash.contains(longName)) {
+ if(argsHash.value(longName).type == CliParserArg::CliArgOption) return !argsHash.value(longName).value.isEmpty();
+ else return argsHash.value(longName).boolValue;
+ }
+ else {
+ qWarning("Warning: Requested isSet of not defined argument '%s'",longName.toLatin1().constData());
+ return false;
+ }
+}
+
+CliParserArg::CliParserArg(const CliArgType _type, const char _shortName, const QString _help, const QString _def)
+ : type(_type),
+ shortName(_shortName),
+ help(_help),
def(_def),
- value(0) {
-
+ value(QString()),
+ boolValue(false)
+{
}
CliParserArg::CliParserArg(const CliParserArg &other) {
- lname = other.lname;
- sname = other.sname;
+ type = other.type;
+ shortName = other.shortName;
+ help = other.help;
def = other.def;
value = other.value;
+ boolValue = other.boolValue;
}
CliParserArg &CliParserArg::operator=(const CliParserArg &other) {
- lname = other.lname;
- sname = other.sname;
+ type = other.type;
+ shortName = other.shortName;
+ help = other.help;
def = other.def;
value = other.value;
+ boolValue = other.boolValue;
return *this;
}
-