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QCommandLineParser: improve implementation

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Based on feedback from Thiago.

Change-Id: I9a3ce0b90b5d1d680c66351d421874effbd426f8
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
David Faure 2013-08-31 00:32:37 +02:00 committed by The Qt Project
parent be3ff4176f
commit 3bd73dd91f
2 changed files with 21 additions and 20 deletions
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9
src/corelib/tools/qcommandlineoption.cpp
View File

@ -195,17 +195,20 @@ void QCommandLineOptionPrivate::setNames(const QStringList &nameList)
if (nameList.isEmpty())
qWarning("QCommandLineOption: Options must have at least one name");
foreach (const QString &name, nameList) {
if (name.isEmpty())
if (name.isEmpty()) {
qWarning("QCommandLineOption: Option names cannot be empty");
else if (name.startsWith(QLatin1Char('-')))
} else {
const QChar c = name.at(0);
if (c == QLatin1Char('-'))
qWarning("QCommandLineOption: Option names cannot start with a '-'");
else if (name.startsWith(QLatin1Char('/')))
else if (c == QLatin1Char('/'))
qWarning("QCommandLineOption: Option names cannot start with a '/'");
else if (name.contains(QLatin1Char('=')))
qWarning("QCommandLineOption: Option names cannot contain a '='");
else
names.append(name);
}
}
}
/*!

20
src/corelib/tools/qcommandlineparser.cpp
View File

@ -52,9 +52,6 @@ QT_BEGIN_NAMESPACE
typedef QHash<QString, int> NameHash_t;
// Special value for "not found" when doing hash lookups.
static const NameHash_t::mapped_type optionNotFound = ~0;
class QCommandLineParserPrivate
{
public:
@ -122,12 +119,12 @@ public:
QStringList QCommandLineParserPrivate::aliases(const QString &optionName) const
{
const NameHash_t::mapped_type optionOffset = nameHash.value(optionName, optionNotFound);
if (optionOffset == optionNotFound) {
const NameHash_t::const_iterator it = nameHash.find(optionName);
if (it == nameHash.end()) {
qWarning("QCommandLineParser: option not defined: \"%s\"", qPrintable(optionName));
return QStringList();
}
return commandLineOptionList.at(optionOffset).names();
return commandLineOptionList.at(*it).names();
}
/*!
@ -423,16 +420,16 @@ void QCommandLineParser::process(const QStringList &arguments)
{
if (!d->parse(arguments)) {
fprintf(stderr, "%s\n", qPrintable(errorText()));
::exit(1);
::exit(EXIT_FAILURE);
}
if (d->builtinVersionOption && isSet(QStringLiteral("version"))) {
printf("%s %s\n", qPrintable(QCoreApplication::applicationName()), qPrintable(QCoreApplication::applicationVersion()));
::exit(0);
::exit(EXIT_SUCCESS);
}
if (d->builtinHelpOption && isSet(QStringLiteral("help")))
showHelp(0);
showHelp(EXIT_SUCCESS);
}
/*!
@ -697,8 +694,9 @@ QString QCommandLineParser::value(const QString &optionName) const
QStringList QCommandLineParser::values(const QString &optionName) const
{
d->checkParsed("values");
const NameHash_t::mapped_type optionOffset = d->nameHash.value(optionName, optionNotFound);
if (optionOffset != optionNotFound) {
const NameHash_t::const_iterator it = d->nameHash.find(optionName);
if (it != d->nameHash.end()) {
const int optionOffset = *it;
QStringList values = d->optionValuesHash.value(optionOffset);
if (values.isEmpty())
values = d->commandLineOptionList.at(optionOffset).defaultValues();