spot  1.0
Public Member Functions | Private Attributes | Friends | List of all members
spot::option_map Class Reference

Manage a map of options.Each option is defined by a string and is associated to an integer value. More...

#include <misc/optionmap.hh>

Collaboration diagram for spot::option_map:
Collaboration graph

Public Member Functions

const char * parse_options (const char *options)
 Add the parsed options to the map.
int get (const char *option, int def=0) const
 Get the value of option.
int operator[] (const char *option) const
 Get the value of option.
int set (const char *option, int val, int def=0)
 Set the value of option to val.
void set (const option_map &o)
 Acquire all the settings of o.
int & operator[] (const char *option)
 Get a reference to the current value of option.

Private Attributes

std::map< std::string, int > options_

Friends

std::ostream & operator<< (std::ostream &os, const option_map &m)
 Print the option_map m.

Detailed Description

Manage a map of options.

Each option is defined by a string and is associated to an integer value.

Member Function Documentation

int spot::option_map::get ( const char *  option,
int  def = 0 
) const

Get the value of option.

Returns
The value associated to option if it exists, def otherwise.
See Also
operator[]()
int spot::option_map::operator[] ( const char *  option) const

Get the value of option.

Returns
The value associated to option if it exists, 0 otherwise.
See Also
get()
int& spot::option_map::operator[] ( const char *  option)

Get a reference to the current value of option.

const char* spot::option_map::parse_options ( const char *  options)

Add the parsed options to the map.

\a options are separated by a space, comma, semicolon or tabulation and
can be optionnaly followed by an integer value (preceded by an equal
sign). If not specified, the default value is 1.

The following three lines are equivalent.
@verbatim 

/// optA !optB optC=4194304 /// optA=1, optB=0, optC=4096K /// optC = 4M; optA !optB ///

\return A non-null pointer to the option for which an expected integer
value cannot be parsed.  
int spot::option_map::set ( const char *  option,
int  val,
int  def = 0 
)

Set the value of option to val.

Returns
The previous value associated to option if declared, or def otherwise.
void spot::option_map::set ( const option_map o)

Acquire all the settings of o.

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  os,
const option_map m 
)
friend

Print the option_map m.

Member Data Documentation

std::map<std::string, int> spot::option_map::options_
private

The documentation for this class was generated from the following file:

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