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Generate help from options objects

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This commit is contained in:
Phil Nash 2012-08-27 12:19:07 +01:00
parent eb775aa7af
commit e7db40034c
2 changed files with 73 additions and 36 deletions
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23
include/catch_runner.hpp
View File

@ -147,17 +147,12 @@ namespace Catch {
}
inline void showUsage( std::ostream& os ) {
os << "\t-?, -h, --help\n"
<< "\t-l, --list [all | tests | reporters [xml]]\n"
<< "\t-t, --test <testspec> [<testspec>...]\n"
<< "\t-r, --reporter <reporter name>\n"
<< "\t-o, --out <file name>|<%stream name>\n"
<< "\t-s, --success\n"
<< "\t-b, --break\n"
<< "\t-n, --name <name>\n"
<< "\t-a, --abort [#]\n"
<< "\t-nt, --nothrow\n\n"
<< "For more detail usage please see: https://github.com/philsquared/Catch/wiki/Command-line" << std::endl;
AllOptions options;
for( AllOptions::const_iterator it = options.begin(); it != options.end(); ++it ) {
OptionParser& opt = **it;
os << " " << opt.optionNames() << " " << opt.argsSynopsis() << "\n";
}
os << "For more detail usage please see: https://github.com/philsquared/Catch/wiki/Command-line" << std::endl;
}
inline void showHelp( std::string exeName ) {
std::string::size_type pos = exeName.find_last_of( "/\\" );
@ -174,9 +169,7 @@ namespace Catch {
try {
CommandParser parser( argc, argv );
AllOptions options;
if( Command cmd = parser.find( "-h", "-?", "--help" ) ) {
if( Command cmd = Options::HelpOptionParser().find( parser ) ) {
if( cmd.argsCount() != 0 )
cmd.raiseError( "Does not accept arguments" );
@ -185,6 +178,8 @@ namespace Catch {
return 0;
}
AllOptions options;
options.parseIntoConfig( parser, config.data() );
}
catch( std::exception& ex ) {

82
include/internal/catch_commandline.hpp
View File

@ -96,18 +96,21 @@ namespace Catch {
char const * const * m_argv;
};
class OptionParser : public IShared {
class OptionParser : public SharedImpl<IShared> {
public:
virtual ~OptionParser() {}
void parseIntoConfig( CommandParser parser, ConfigData& config ) {
Command find( const CommandParser& parser ) const {
Command cmd;
for( std::vector<std::string>::const_iterator it = m_optionNames.begin();
it != m_optionNames.end();
++it )
cmd += parser.find( *it );
return cmd;
}
if( cmd )
void parseIntoConfig( const CommandParser& parser, ConfigData& config ) {
if( Command cmd = find( parser ) )
parseIntoConfig( cmd, config );
}
@ -115,12 +118,50 @@ namespace Catch {
virtual std::string argsSynopsis() const = 0;
virtual std::string optionSummary() const = 0;
std::string optionNames() const {
std::string names;
for( std::vector<std::string>::const_iterator it = m_optionNames.begin();
it != m_optionNames.end();
++it ) {
if( !it->empty() ) {
if( !names.empty() )
names += ", ";
names += *it;
}
else {
names = "[" + names;
}
}
if( names[0] == '[' )
names += "]";
return names;
}
protected:
std::vector<std::string> m_optionNames;
};
namespace Options {
class HelpOptionParser : public OptionParser {
public:
HelpOptionParser() {
m_optionNames.push_back( "-?" );
m_optionNames.push_back( "-h" );
m_optionNames.push_back( "--help" );
}
virtual std::string argsSynopsis() const {
return "";
}
virtual std::string optionSummary() const {
return "Shows this usage summary";
}
virtual void parseIntoConfig( const Command&, ConfigData& ) {
// Does not affect config
}
};
class TestCaseOptionParser : public OptionParser {
public:
TestCaseOptionParser() {
@ -164,7 +205,7 @@ namespace Catch {
m_optionNames.push_back( "--list" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "[all | tests | reporters [xml]]";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -203,7 +244,7 @@ namespace Catch {
m_optionNames.push_back( "--reporter" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "<reporter name>";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -223,7 +264,7 @@ namespace Catch {
m_optionNames.push_back( "--out" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "<file name>|<%stream name>";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -246,7 +287,7 @@ namespace Catch {
m_optionNames.push_back( "--success" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -266,7 +307,7 @@ namespace Catch {
m_optionNames.push_back( "--break" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -286,7 +327,7 @@ namespace Catch {
m_optionNames.push_back( "--name" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "<name>";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -306,7 +347,7 @@ namespace Catch {
m_optionNames.push_back( "--abort" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "[#]";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -334,7 +375,7 @@ namespace Catch {
m_optionNames.push_back( "--nothrow" );
}
virtual std::string argsSynopsis() const {
return "!TBD";
return "";
}
virtual std::string optionSummary() const {
return "!TBD";
@ -356,15 +397,16 @@ namespace Catch {
typedef Parsers::const_iterator iterator;
AllOptions() {
add<Options::AbortOptionParser>();
add<Options::DebugBreakOptionParser>();
add<Options::ListOptionParser>();
add<Options::NameOptionParser>();
add<Options::NoThrowOptionParser>();
add<Options::OutputOptionParser>();
add<Options::ReporterOptionParser>();
add<Options::SuccesssOptionParser>();
add<Options::TestCaseOptionParser>();
add<Options::ListOptionParser>();
add<Options::ReporterOptionParser>();
add<Options::OutputOptionParser>();
add<Options::SuccesssOptionParser>();
add<Options::DebugBreakOptionParser>();
add<Options::NameOptionParser>();
add<Options::AbortOptionParser>();
add<Options::NoThrowOptionParser>();
add<Options::HelpOptionParser>();
}
void parseIntoConfig( const CommandParser& parser, ConfigData& config ) {
@ -382,7 +424,7 @@ namespace Catch {
template<typename T>
void add() {
m_parsers.push_back( new SharedImpl<T>() );
m_parsers.push_back( new T() );
}
Parsers m_parsers;