#ifndef GREG_MONTH_HPP___ | |
#define GREG_MONTH_HPP___ | |
/* Copyright (c) 2002,2003 CrystalClear Software, Inc. | |
* Use, modification and distribution is subject to the | |
* Boost Software License, Version 1.0. (See accompanying | |
* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) | |
* Author: Jeff Garland, Bart Garst | |
* $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ | |
*/ | |
#include "boost/date_time/constrained_value.hpp" | |
#include "boost/date_time/date_defs.hpp" | |
#include "boost/shared_ptr.hpp" | |
#include "boost/date_time/compiler_config.hpp" | |
#include <stdexcept> | |
#include <string> | |
#include <map> | |
#include <algorithm> | |
#include <cctype> | |
namespace boost { | |
namespace gregorian { | |
typedef date_time::months_of_year months_of_year; | |
//bring enum values into the namespace | |
using date_time::Jan; | |
using date_time::Feb; | |
using date_time::Mar; | |
using date_time::Apr; | |
using date_time::May; | |
using date_time::Jun; | |
using date_time::Jul; | |
using date_time::Aug; | |
using date_time::Sep; | |
using date_time::Oct; | |
using date_time::Nov; | |
using date_time::Dec; | |
using date_time::NotAMonth; | |
using date_time::NumMonths; | |
//! Exception thrown if a greg_month is constructed with a value out of range | |
struct bad_month : public std::out_of_range | |
{ | |
bad_month() : std::out_of_range(std::string("Month number is out of range 1..12")) {} | |
}; | |
//! Build a policy class for the greg_month_rep | |
typedef CV::simple_exception_policy<unsigned short, 1, 12, bad_month> greg_month_policies; | |
//! A constrained range that implements the gregorian_month rules | |
typedef CV::constrained_value<greg_month_policies> greg_month_rep; | |
//! Wrapper class to represent months in gregorian based calendar | |
class BOOST_DATE_TIME_DECL greg_month : public greg_month_rep { | |
public: | |
typedef date_time::months_of_year month_enum; | |
typedef std::map<std::string, unsigned short> month_map_type; | |
typedef boost::shared_ptr<month_map_type> month_map_ptr_type; | |
//! Construct a month from the months_of_year enumeration | |
greg_month(month_enum theMonth) : | |
greg_month_rep(static_cast<greg_month_rep::value_type>(theMonth)) {} | |
//! Construct from a short value | |
greg_month(unsigned short theMonth) : greg_month_rep(theMonth) {} | |
//! Convert the value back to a short | |
operator unsigned short() const {return value_;} | |
//! Returns month as number from 1 to 12 | |
unsigned short as_number() const {return value_;} | |
month_enum as_enum() const {return static_cast<month_enum>(value_);} | |
const char* as_short_string() const; | |
const char* as_long_string() const; | |
#ifndef BOOST_NO_STD_WSTRING | |
const wchar_t* as_short_wstring() const; | |
const wchar_t* as_long_wstring() const; | |
#endif // BOOST_NO_STD_WSTRING | |
//! Shared pointer to a map of Month strings (Names & Abbrev) & numbers | |
static month_map_ptr_type get_month_map_ptr(); | |
/* parameterized as_*_string functions are intended to be called | |
* from a template function: "... as_short_string(charT c='\0');" */ | |
const char* as_short_string(char) const | |
{ | |
return as_short_string(); | |
} | |
const char* as_long_string(char) const | |
{ | |
return as_long_string(); | |
} | |
#ifndef BOOST_NO_STD_WSTRING | |
const wchar_t* as_short_string(wchar_t) const | |
{ | |
return as_short_wstring(); | |
} | |
const wchar_t* as_long_string(wchar_t) const | |
{ | |
return as_long_wstring(); | |
} | |
#endif // BOOST_NO_STD_WSTRING | |
}; | |
} } //namespace gregorian | |
#endif |