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/*
* $Log: arg.h,v $
* Revision 1.3 2010/07/21 19:38:25 martin
* gcc-4 Port
*
* Revision 1.2 2005/07/04 21:59:42 martin
* added logging to all files
*
*/
#ifndef arg_h
#define arg_h
/*
Experimental Version of LeoArg 2
*/
#include <string>
#include <vector>
#include <list>
#include "ref.h"
#include "range.h"
namespace Arg {
class Rule
{
protected:
bool continue_on_match;
bool continue_on_fail;
std::string description;
std::string error;
public:
Rule( bool com = true, bool cof = true );
virtual ~Rule();
virtual bool match( const std::string &value ) const = 0;
virtual bool continueOnMatch() const;
virtual bool continueOnFail() const;
virtual bool matchEmpty() const;
virtual void setDescription( const std::string &des );
virtual std::string getDescription() const;
virtual bool hasDescription() const;
virtual std::string getError() const;
};
typedef std::vector<std::string> vec_string;
class OptionNameRule : public Rule
{
protected:
mutable Ref<vec_string> prefixes;
mutable Ref<vec_string> names;
public:
OptionNameRule();
OptionNameRule( Ref<vec_string> prefixes, Ref<vec_string> names );
void setPrefixes( Ref<vec_string> p = Ref<vec_string>()) { prefixes = p; }
void setNames( Ref<vec_string> n = Ref<vec_string>() ) { names = n; }
Ref<vec_string> getNames() const { return names; }
Ref<vec_string> getPrefixes() const { return prefixes; }
bool match( const std::string &option ) const;
std::string getDescription( unsigned int s1 = 5, unsigned int s2 = 40) const;
bool hasDescription() const { return !names->empty(); }
};
template<class R, class S> bool convert( Ref<R> r, Ref<S> &s )
{
if( !r )
return false;
S *ss = dynamic_cast<S*>( r.address() );
if( ss )
{
s = Ref<S>(ss, false);
return true;
}
return false;
}
template<class S, class R> Ref<S> convert( Ref<R> r )
{
Ref<S> s;
convert( r, s );
return s;
}
class IsOptionRule : public Rule
{
protected:
mutable Ref<vec_string> prefixes;
public:
IsOptionRule() : prefixes( new vec_string() ) {}
IsOptionRule( Ref<vec_string> prefixes );
void setPrefixes( Ref<vec_string> p = Ref<vec_string>() ) { prefixes = p; }
Ref<vec_string> getPrefixes() const { return prefixes; }
bool match( const std::string &option ) const;
};
class IsValueRule : public Rule
{
protected:
mutable Ref<vec_string> states;
bool cs;
public:
IsValueRule( bool cs = false );
IsValueRule( Ref<vec_string> states, bool case_sensitiv = false);
void setStates( Ref<vec_string> s ) { states = s; }
Ref<vec_string> getStates() const { return states; }
bool match( const std::string &value ) const;
std::string getDescription() const;
bool hasDescription() const { return !states->empty(); }
};
class IsBoolRule : public IsValueRule
{
public:
IsBoolRule();
bool match( const std::string &value ) const;
bool matchEmpty() const;
};
class AnyStringRule : public Rule
{
public:
AnyStringRule() : Rule() {}
bool match( const std::string &value ) const { return true; }
};
class IsIntRule : public Rule
{
public:
IsIntRule();
bool match( const std::string &value ) const;
};
class Option
{
public:
static const unsigned int infinite = static_cast<unsigned int>( -1 );
protected:
mutable Ref< Rule > name_rule; // check if option name is valid
mutable Ref< Rule > value_rule; // check if the value is valid
mutable Ref< vec_string > values;
unsigned int min_values;
unsigned int max_values;
bool isset;
bool required;
std::string description;
unsigned int option_id;
public:
Option();
Option( Ref< Rule > name_rule, Ref< Rule > value_rule );
virtual ~Option();
void setNameRule( Ref< Rule > nr ) { name_rule = nr; }
void setValueRule( Ref< Rule > vr ) { value_rule = vr; }
Ref< Rule > getNameRule() const { return name_rule; }
Ref< Rule > getValueRule() const { return value_rule; }
unsigned int getMinValues() const { return min_values; }
unsigned int getMaxValues() const { return max_values; }
void setMinValues( unsigned int min ) { min_values = min; }
void setMaxValues( unsigned int max ) { max_values = max; }
bool matchName( const std::string &name ) const;
bool matchValue( const std::string &value ) const;
void addValue( const std::string &value ) { values->push_back( value ); }
bool addName( const std::string &name );
bool isSet() const { return isset; }
void setSet( bool s ) { isset = s; }
bool isRequired() const { return required; }
void setRequired( bool r ) { required = r; }
Ref< vec_string > getValues() const { return values; }
void setDescription( const std::string &des ) { description = des; }
virtual std::string getDescription( unsigned int s1 = 5,
unsigned int s2 = 20,
unsigned int s3 = 40,
unsigned int console_width = 80 ) const;
virtual bool hasDescription() const;
unsigned int getId() const { return option_id; }
void setId( unsigned int id ) { option_id = id; }
};
class BoolOption : public Option
{
public:
BoolOption();
BoolOption( const std::string &name );
BoolOption( Ref< vec_string > names );
bool getState() const;
};
class StringOption : public Option
{
public:
StringOption();
StringOption( const std::string &name, const std::string &value_description = "" );
void setValueDescription( const std::string &description );
};
class EnumOption : public Option
{
public:
explicit EnumOption( bool case_sensitiv = false );
explicit EnumOption( const std::string &name, bool case_sensitiv = false );
explicit EnumOption( const char *name, bool case_sensitiv = false );
void addEnum( const std::string &name );
};
class EmptyOptionNameRule : public OptionNameRule
{
public:
EmptyOptionNameRule();
bool match( const std::string &option ) const;
bool hasDescription() const { return false; }
};
class EmptyStringOption : public StringOption
{
public:
EmptyStringOption();
bool hasDescription() const { return false; }
};
class FlagOption : public BoolOption
{
public:
FlagOption() : BoolOption() { setMaxValues(0); }
FlagOption( const std::string &name )
: BoolOption( name )
{
setMaxValues(0);
}
virtual std::string getDescription( unsigned int s1 = 5,
unsigned int s2 = 20,
unsigned int s3 = 40,
unsigned int console_width = 80 ) const;
};
class IntOption : public Option
{
public:
IntOption();
IntOption( const std::string &name );
};
struct EnumLink
{
enum ETYPE {
FIRST__,
AND,
OR,
LAST__
};
};
typedef EnumRange<EnumLink> LINK;
struct SOption
{
std::string option;
vec_string values;
};
typedef std::list<SOption> list_soption;
class Arg;
class OptionChain
{
public:
typedef std::vector< Ref<Option> > rvec_option;
struct Error
{
std::string err;
std::string value;
Ref<Option> option;
Error( Ref<Option> option, const std::string err, const std::string value )
: err( err ), value( value ), option( option )
{}
};
typedef std::vector<Error> vec_err;
protected:
Ref<rvec_option> options;
LINK mode;
Ref<vec_string> prefixes;
unsigned int min_match;
bool continue_on_fail;
bool continue_on_match;
Arg *arg;
vec_err err_options;
public:
OptionChain( LINK m = LINK::OR );
void addOption( Ref<Option> option );
template<class X> void addOption( Ref<X> option )
{
addOption( Ref<Option>( *option, false ) );
}
template<class X> void addOptionR( X* option )
{
addOption( Ref<Option>( *option, false ) );
}
Ref<vec_string> getPrefixes() const { return prefixes; }
void setPrefixes( Ref<vec_string> p ) { prefixes = p; }
unsigned int getMinMatch() const { return min_match; }
void setMinMatch( unsigned int val ) { min_match = val; }
bool parse( list_soption &arg );
bool getContinueOnFail() const { return continue_on_fail; }
void setContinueOnFail( bool cof ) { continue_on_fail = cof; }
bool getContinueOnMatch() const { return continue_on_match; }
void setContinueOnMatch( bool com ) { continue_on_match = com; }
void setArg( Arg *arg_ ) { arg = arg_; }
vec_err getErrOptions() const { return err_options; }
};
class Arg
{
public:
protected:
std::vector<Ref<OptionChain> > chains;
mutable std::vector<Ref<Option> > options; // for help page
int argc;
char **argv;
Ref<Rule> is_option;
Ref<vec_string> prefixes;
unsigned int min_match;
unsigned int option_id;
public:
Arg( int argc, char **argv );
void addPrefix( const std::string &s );
void addChain( Ref<OptionChain> chain );
template<class X> void addChainR( X* chain )
{
addChain( Ref<OptionChain>( *chain, false ) );
}
void addOption( Ref<Option> option );
template<class X> void addOption( Ref<X> option )
{
addOption( Ref<Option>( *option, false ) );
}
template<class X> void addOptionR( X* option )
{
addOption( Ref<Option>( *option, false ) );
}
bool parse();
void setMinMatch( unsigned int mm ) { min_match = mm; }
void addHelp( Ref<Option> option );
template<class X> void addHelpR( X* help )
{
addHelp( Ref<Option>( *help, false ) );
}
std::string getHelp( unsigned int s1 = 5,
unsigned int s2 = 20,
unsigned int s3 = 40, unsigned int console_width = 80 ) const;
unsigned int getOptionId() { return option_id++; }
private:
list_soption parse_args();
};
inline bool operator==( const Option &a, const Option &b );
std::ostream& operator<<( std::ostream& out, OptionChain::vec_err & err );
int get_terminal_width();
} // namespace Arg
std::ostream& operator<<( std::ostream& out, Ref<Arg::vec_string> values );
#endif
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