ecency-mobile/ios/Pods/boost-for-react-native/boost/locale/formatting.hpp

674 lines
22 KiB
C++

//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_LOCALE_FORMATTING_HPP_INCLUDED
#define BOOST_LOCALE_FORMATTING_HPP_INCLUDED
#include <boost/locale/config.hpp>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4275 4251 4231 4660)
#endif
#include <boost/cstdint.hpp>
#include <boost/locale/time_zone.hpp>
#include <ostream>
#include <istream>
#include <string>
#include <string.h>
#include <typeinfo>
namespace boost {
namespace locale {
///
/// \brief This namespace holds additional formatting
/// flags that can be set using ios_info.
///
namespace flags {
///
/// Formatting flags, each one of them has corresponding manipulation
/// in namespace \a as
///
typedef enum {
posix = 0,
number = 1,
currency = 2,
percent = 3,
date = 4,
time = 5,
datetime = 6,
strftime = 7,
spellout = 8,
ordinal = 9,
display_flags_mask = 31,
currency_default = 0 << 5,
currency_iso = 1 << 5,
currency_national = 2 << 5,
currency_flags_mask = 3 << 5,
time_default = 0 << 7,
time_short = 1 << 7,
time_medium = 2 << 7,
time_long = 3 << 7,
time_full = 4 << 7,
time_flags_mask = 7 << 7,
date_default = 0 << 10,
date_short = 1 << 10,
date_medium = 2 << 10,
date_long = 3 << 10,
date_full = 4 << 10,
date_flags_mask = 7 << 10,
datetime_flags_mask = date_flags_mask | time_flags_mask
} display_flags_type;
///
/// Special string patters that can be used
/// for text formatting
///
typedef enum {
datetime_pattern, ///< strftime like formatting
time_zone_id ///< time zone name
} pattern_type;
///
/// Special integer values that can be used for formatting
///
typedef enum {
domain_id ///< Domain code - for message formatting
} value_type;
} // flags
///
/// \brief This class holds an external data - beyond existing fmtflags that std::ios_base holds
///
/// You should almost never create this object directly. Instead, you should access it via ios_info::get(stream_object)
/// static member function. It automatically creates default formatting data for that stream
///
class BOOST_LOCALE_DECL ios_info {
public:
/// \cond INTERNAL
ios_info();
ios_info(ios_info const &);
ios_info const &operator=(ios_info const &);
~ios_info();
/// \endcond
///
/// Get ios_info instance for specific stream object
///
static ios_info &get(std::ios_base &ios);
///
/// Set a flags that define a way for format data like number, spell, currency etc.
///
void display_flags(uint64_t flags);
///
/// Set a flags that define how to format currency
///
void currency_flags(uint64_t flags);
///
/// Set a flags that define how to format date
///
void date_flags(uint64_t flags);
///
/// Set a flags that define how to format time
///
void time_flags(uint64_t flags);
///
/// Set a flags that define how to format both date and time
///
void datetime_flags(uint64_t flags);
///
/// Set special message domain identification
///
void domain_id(int);
///
/// Set time zone for formatting dates and time
///
void time_zone(std::string const &);
///
/// Set date/time pattern (strftime like)
///
template<typename CharType>
void date_time_pattern(std::basic_string<CharType> const &str)
{
string_set &s = date_time_pattern_set();
s.set<CharType>(str.c_str());
}
///
/// Get a flags that define a way for format data like number, spell, currency etc.
///
uint64_t display_flags() const;
///
/// Get a flags that define how to format currency
///
uint64_t currency_flags() const;
///
/// Get a flags that define how to format date
///
uint64_t date_flags() const;
///
/// Get a flags that define how to format time
///
uint64_t time_flags() const;
///
/// Get a flags that define how to format both date and time
///
uint64_t datetime_flags() const;
///
/// Get special message domain identification
///
int domain_id() const;
///
/// Get time zone for formatting dates and time
///
std::string time_zone() const;
///
/// Get date/time pattern (strftime like)
///
template<typename CharType>
std::basic_string<CharType> date_time_pattern() const
{
string_set const &s = date_time_pattern_set();
return s.get<CharType>();
}
/// \cond INTERNAL
void on_imbue();
/// \endcond
private:
class string_set;
string_set const &date_time_pattern_set() const;
string_set &date_time_pattern_set();
class BOOST_LOCALE_DECL string_set {
public:
string_set();
~string_set();
string_set(string_set const &other);
string_set const &operator=(string_set const &other);
void swap(string_set &other);
template<typename Char>
void set(Char const *s)
{
delete [] ptr;
ptr = 0;
type=&typeid(Char);
Char const *end = s;
while(*end!=0) end++;
// if ptr = 0 it does not matter what is value of size
size = sizeof(Char)*(end - s+1);
ptr = new char[size];
memcpy(ptr,s,size);
}
template<typename Char>
std::basic_string<Char> get() const
{
if(type==0 || *type!=typeid(Char))
throw std::bad_cast();
std::basic_string<Char> result = reinterpret_cast<Char const *>(ptr);
return result;
}
private:
std::type_info const *type;
size_t size;
char *ptr;
};
uint64_t flags_;
int domain_id_;
std::string time_zone_;
string_set datetime_;
struct data;
data *d;
};
///
/// \brief This namespace includes all manipulators that can be used on IO streams
///
namespace as {
///
/// \defgroup manipulators I/O Stream manipulators
///
/// @{
///
///
/// Format values with "POSIX" or "C" locale. Note, if locale was created with additional non-classic locale then
/// These numbers may be localized
///
inline std::ios_base & posix(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::posix);
return ios;
}
///
/// Format a number. Note, unlike standard number formatting, integers would be treated like real numbers when std::fixed or
/// std::scientific manipulators were applied
///
inline std::ios_base & number(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::number);
return ios;
}
///
/// Format currency, number is treated like amount of money
///
inline std::ios_base & currency(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::currency);
return ios;
}
///
/// Format percent, value 0.3 is treated as 30%.
///
inline std::ios_base & percent(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::percent);
return ios;
}
///
/// Format a date, number is treated as POSIX time
///
inline std::ios_base & date(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::date);
return ios;
}
///
/// Format a time, number is treated as POSIX time
///
inline std::ios_base & time(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::time);
return ios;
}
///
/// Format a date and time, number is treated as POSIX time
///
inline std::ios_base & datetime(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::datetime);
return ios;
}
///
/// Create formatted date time, Please note, this manipulator only changes formatting mode,
/// and not format itself, so you are probably looking for ftime manipulator
///
inline std::ios_base & strftime(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::strftime);
return ios;
}
///
/// Spell the number, like "one hundred and ten"
///
inline std::ios_base & spellout(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::spellout);
return ios;
}
///
/// Write an order of the number like 4th.
///
inline std::ios_base & ordinal(std::ios_base & ios)
{
ios_info::get(ios).display_flags(flags::ordinal);
return ios;
}
///
/// Set default currency formatting style -- national, like "$"
///
inline std::ios_base & currency_default(std::ios_base & ios)
{
ios_info::get(ios).currency_flags(flags::currency_default);
return ios;
}
///
/// Set ISO currency formatting style, like "USD", (requires ICU >= 4.2)
///
inline std::ios_base & currency_iso(std::ios_base & ios)
{
ios_info::get(ios).currency_flags(flags::currency_iso);
return ios;
}
///
/// Set national currency formatting style, like "$"
///
inline std::ios_base & currency_national(std::ios_base & ios)
{
ios_info::get(ios).currency_flags(flags::currency_national);
return ios;
}
///
/// set default (medium) time formatting style
///
inline std::ios_base & time_default(std::ios_base & ios)
{
ios_info::get(ios).time_flags(flags::time_default);
return ios;
}
///
/// set short time formatting style
///
inline std::ios_base & time_short(std::ios_base & ios)
{
ios_info::get(ios).time_flags(flags::time_short);
return ios;
}
///
/// set medium time formatting style
///
inline std::ios_base & time_medium(std::ios_base & ios)
{
ios_info::get(ios).time_flags(flags::time_medium);
return ios;
}
///
/// set long time formatting style
///
inline std::ios_base & time_long(std::ios_base & ios)
{
ios_info::get(ios).time_flags(flags::time_long);
return ios;
}
///
/// set full time formatting style
///
inline std::ios_base & time_full(std::ios_base & ios)
{
ios_info::get(ios).time_flags(flags::time_full);
return ios;
}
///
/// set default (medium) date formatting style
///
inline std::ios_base & date_default(std::ios_base & ios)
{
ios_info::get(ios).date_flags(flags::date_default);
return ios;
}
///
/// set short date formatting style
///
inline std::ios_base & date_short(std::ios_base & ios)
{
ios_info::get(ios).date_flags(flags::date_short);
return ios;
}
///
/// set medium date formatting style
///
inline std::ios_base & date_medium(std::ios_base & ios)
{
ios_info::get(ios).date_flags(flags::date_medium);
return ios;
}
///
/// set long date formatting style
///
inline std::ios_base & date_long(std::ios_base & ios)
{
ios_info::get(ios).date_flags(flags::date_long);
return ios;
}
///
/// set full date formatting style
///
inline std::ios_base & date_full(std::ios_base & ios)
{
ios_info::get(ios).date_flags(flags::date_full);
return ios;
}
/// \cond INTERNAL
namespace details {
template<typename CharType>
struct add_ftime {
std::basic_string<CharType> ftime;
void apply(std::basic_ios<CharType> &ios) const
{
ios_info::get(ios).date_time_pattern(ftime);
as::strftime(ios);
}
};
template<typename CharType>
std::basic_ostream<CharType> &operator<<(std::basic_ostream<CharType> &out,add_ftime<CharType> const &fmt)
{
fmt.apply(out);
return out;
}
template<typename CharType>
std::basic_istream<CharType> &operator>>(std::basic_istream<CharType> &in,add_ftime<CharType> const &fmt)
{
fmt.apply(in);
return in;
}
}
/// \endcond
///
/// Set strftime like formatting string
///
/// Please note, formatting flags are very similar but not exactly the same as flags for C function strftime.
/// Differences: some flags as "%e" do not add blanks to fill text up to two spaces, not all flags supported.
///
/// Flags:
/// - "%a" -- Abbreviated weekday (Sun.)
/// - "%A" -- Full weekday (Sunday)
/// - "%b" -- Abbreviated month (Jan.)
/// - "%B" -- Full month (January)
/// - "%c" -- Locale date-time format. **Note:** prefer using "as::datetime"
/// - "%d" -- Day of Month [01,31]
/// - "%e" -- Day of Month [1,31]
/// - "%h" -- Same as "%b"
/// - "%H" -- 24 clock hour [00,23]
/// - "%I" -- 12 clock hour [01,12]
/// - "%j" -- Day of year [1,366]
/// - "%m" -- Month [01,12]
/// - "%M" -- Minute [00,59]
/// - "%n" -- New Line
/// - "%p" -- AM/PM in locale representation
/// - "%r" -- Time with AM/PM, same as "%I:%M:%S %p"
/// - "%R" -- Same as "%H:%M"
/// - "%S" -- Second [00,61]
/// - "%t" -- Tab character
/// - "%T" -- Same as "%H:%M:%S"
/// - "%x" -- Local date representation. **Note:** prefer using "as::date"
/// - "%X" -- Local time representation. **Note:** prefer using "as::time"
/// - "%y" -- Year [00,99]
/// - "%Y" -- 4 digits year. (2009)
/// - "%Z" -- Time Zone
/// - "%%" -- Percent symbol
///
template<typename CharType>
#ifdef BOOST_LOCALE_DOXYGEN
unspecified_type
#else
details::add_ftime<CharType>
#endif
ftime(std::basic_string<CharType> const &format)
{
details::add_ftime<CharType> fmt;
fmt.ftime=format;
return fmt;
}
///
/// See ftime(std::basic_string<CharType> const &format)
///
template<typename CharType>
#ifdef BOOST_LOCALE_DOXYGEN
unspecified_type
#else
details::add_ftime<CharType>
#endif
ftime(CharType const *format)
{
details::add_ftime<CharType> fmt;
fmt.ftime=format;
return fmt;
}
/// \cond INTERNAL
namespace details {
struct set_timezone {
std::string id;
};
template<typename CharType>
std::basic_ostream<CharType> &operator<<(std::basic_ostream<CharType> &out,set_timezone const &fmt)
{
ios_info::get(out).time_zone(fmt.id);
return out;
}
template<typename CharType>
std::basic_istream<CharType> &operator>>(std::basic_istream<CharType> &in,set_timezone const &fmt)
{
ios_info::get(in).time_zone(fmt.id);
return in;
}
}
/// \endcond
///
/// Set GMT time zone to stream
///
inline std::ios_base &gmt(std::ios_base &ios)
{
ios_info::get(ios).time_zone("GMT");
return ios;
}
///
/// Set local time zone to stream
///
inline std::ios_base &local_time(std::ios_base &ios)
{
ios_info::get(ios).time_zone(time_zone::global());
return ios;
}
///
/// Set time zone using \a id
///
inline
#ifdef BOOST_LOCALE_DOXYGEN
unspecified_type
#else
details::set_timezone
#endif
time_zone(char const *id)
{
details::set_timezone tz;
tz.id=id;
return tz;
}
///
/// Set time zone using \a id
///
inline
#ifdef BOOST_LOCALE_DOXYGEN
unspecified_type
#else
details::set_timezone
#endif
time_zone(std::string const &id)
{
details::set_timezone tz;
tz.id=id;
return tz;
}
///
/// @}
///
} // as manipulators
} // locale
} // boost
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4