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Clara: support for binary functions

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This commit is contained in:
Phil Nash 2013-05-20 18:40:51 +01:00
parent d44f2cf40f
commit 3dde25be7d
1 changed files with 39 additions and 6 deletions
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45
projects/SelfTest/CmdLineTests.cpp
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@ -149,6 +149,24 @@ namespace Clara {
void (*function)( C& ); void (*function)( C& );
}; };
template<typename C, typename T>
struct BoundBinaryFunction : IArgFunction<C>{
BoundBinaryFunction( void (*_function)( C&, T ) ) : function( _function ) {}
virtual void set( C& obj, std::string const& stringValue ) const {
typename RemoveConstRef<T>::type value;
convertInto( stringValue, value );
function( obj, value );
}
virtual void setFlag( C& obj ) const {
typename RemoveConstRef<T>::type value;
convertInto( true, value );
function( obj, value );
}
virtual bool takesArg() const { return !IsBool<T>::value; }
virtual IArgFunction<C>* clone() const { return new BoundBinaryFunction( *this ); }
void (*function)( C&, T );
};
template<typename C, typename M> template<typename C, typename M>
BoundArgFunction<C> makeBoundField( M C::* _member ) { BoundArgFunction<C> makeBoundField( M C::* _member ) {
return BoundArgFunction<C>( new BoundDataMember<C,M>( _member ) ); return BoundArgFunction<C>( new BoundDataMember<C,M>( _member ) );
@ -165,6 +183,10 @@ namespace Clara {
BoundArgFunction<C> makeBoundField( void (*_function)( C& ) ) { BoundArgFunction<C> makeBoundField( void (*_function)( C& ) ) {
return BoundArgFunction<C>( new BoundUnaryFunction<C>( _function ) ); return BoundArgFunction<C>( new BoundUnaryFunction<C>( _function ) );
} }
template<typename C, typename T>
BoundArgFunction<C> makeBoundField( void (*_function)( C&, T ) ) {
return BoundArgFunction<C>( new BoundBinaryFunction<C, T>( _function ) );
}
} // namespace Detail } // namespace Detail
struct Parser { struct Parser {
@ -564,12 +586,15 @@ struct Config {
std::vector<std::string> testsOrTags; std::vector<std::string> testsOrTags;
// void abortAfterFirst() { abortAfter = 1; } // void abortAfterFirst() { abortAfter = 1; }
void abortAfterX( int x ) { abortAfter = x; } // void abortAfterX( int x ) { abortAfter = x; }
void addWarning( std::string const& _warning ) { warnings.push_back( _warning ); } // void addWarning( std::string const& _warning ) { warnings.push_back( _warning ); }
void addTestOrTags( std::string const& _testSpec ) { testsOrTags.push_back( _testSpec ); } // void addTestOrTags( std::string const& _testSpec ) { testsOrTags.push_back( _testSpec ); }
}; };
inline void abortAfterFirst( Config& config ) { config.abortAfter = 1; } inline void abortAfterFirst( Config& config ) { config.abortAfter = 1; }
inline void abortAfterX( Config& config, int x ) { config.abortAfter = x; }
inline void addWarning( Config& config, std::string const& _warning ) { config.warnings.push_back( _warning ); }
inline void addTestOrTags( Config& config, std::string const& _testSpec ) { config.testsOrTags.push_back( _testSpec ); }
SCENARIO( "New Catch commandline interface", "[cli]" ) { SCENARIO( "New Catch commandline interface", "[cli]" ) {
@ -631,19 +656,19 @@ SCENARIO( "New Catch commandline interface", "[cli]" ) {
.shortOpt( "a") .shortOpt( "a")
.longOpt( "abort" ); .longOpt( "abort" );
cli.bind( &Config::abortAfterX ) cli.bind( &abortAfterX )
.describe( "abort after x failures" ) .describe( "abort after x failures" )
.shortOpt( "x") .shortOpt( "x")
.longOpt( "abortx" ) .longOpt( "abortx" )
.argName( "number of failures" ); .argName( "number of failures" );
cli.bind( &Config::addWarning ) cli.bind( &addWarning )
.describe( "enables warnings" ) .describe( "enables warnings" )
.shortOpt( "w") .shortOpt( "w")
.longOpt( "warn" ) .longOpt( "warn" )
.argName( "warning name" ); .argName( "warning name" );
cli.bind( &Config::addTestOrTags ) cli.bind( &addTestOrTags )
.describe( "which test or tests to use" ) .describe( "which test or tests to use" )
.argName( "test name, pattern or tags" ); .argName( "test name, pattern or tags" );
@ -676,6 +701,14 @@ SCENARIO( "New Catch commandline interface", "[cli]" ) {
REQUIRE( config.abortAfter == 1 ); REQUIRE( config.abortAfter == 1 );
} }
WHEN( "A flag is set via a unary method" ) {
CHECK( config.abortAfter == 0 );
const char* argv[] = { "test", "-x", "2" };
parseInto( cli, argv, config );
REQUIRE( config.abortAfter == 2 );
}
} }
} }