Mercurial > foo_out_sdl
diff foosdk/sdk/pfc/string_conv.h @ 1:20d02a178406 default tip
*: check in everything else
yay
| author | Paper <paper@tflc.us> |
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| date | Mon, 05 Jan 2026 02:15:46 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/foosdk/sdk/pfc/string_conv.h Mon Jan 05 02:15:46 2026 -0500 @@ -0,0 +1,586 @@ +#pragma once + +#include "array.h" + +namespace pfc { + + namespace stringcvt { + //! Converts UTF-8 characters to wide character. + //! @param p_out Output buffer, receives converted string, with null terminator. + //! @param p_out_size Size of output buffer, in characters. If converted string is too long, it will be truncated. Null terminator is always written, unless p_out_size is zero. + //! @param p_source String to convert. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters written, not counting null terminator. + t_size convert_utf8_to_wide(wchar_t * p_out,t_size p_out_size,const char * p_source,t_size p_source_size); + + + //! Estimates buffer size required to convert specified UTF-8 string to widechar. + //! @param p_source String to be converted. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters to allocate, including space for null terminator. + t_size estimate_utf8_to_wide(const char * p_source,t_size p_source_size); + + t_size estimate_utf8_to_wide(const char * p_source); + + //! Converts wide character string to UTF-8. + //! @param p_out Output buffer, receives converted string, with null terminator. + //! @param p_out_size Size of output buffer, in characters. If converted string is too long, it will be truncated. Null terminator is always written, unless p_out_size is zero. + //! @param p_source String to convert. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters written, not counting null terminator. + t_size convert_wide_to_utf8(char * p_out,t_size p_out_size,const wchar_t * p_source,t_size p_source_size); + + //! Estimates buffer size required to convert specified wide character string to UTF-8. + //! @param p_source String to be converted. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters to allocate, including space for null terminator. + t_size estimate_wide_to_utf8(const wchar_t * p_source,t_size p_source_size); + + t_size estimate_utf8_to_ascii( const char * p_source, t_size p_source_size ); + t_size convert_utf8_to_ascii( char * p_out, t_size p_out_size, const char * p_source, t_size p_source_size ); + + t_size estimate_wide_to_win1252( const wchar_t * p_source, t_size p_source_size ); + t_size convert_wide_to_win1252( char * p_out, t_size p_out_size, const wchar_t * p_source, t_size p_source_size ); + t_size estimate_win1252_to_wide( const char * p_source, t_size p_source_size ); + t_size convert_win1252_to_wide( wchar_t * p_out, t_size p_out_size, const char * p_source, t_size p_source_size ); + + t_size estimate_utf8_to_win1252( const char * p_source, t_size p_source_size ); + t_size convert_utf8_to_win1252( char * p_out, t_size p_out_size, const char * p_source, t_size p_source_size ); + t_size estimate_win1252_to_utf8( const char * p_source, t_size p_source_size ); + t_size convert_win1252_to_utf8( char * p_out, t_size p_out_size, const char * p_source, t_size p_source_size ); + + // 2016-05-16 additions + // Explicit UTF-16 converters + t_size estimate_utf16_to_utf8( const char16_t * p_source, size_t p_source_size ); + t_size convert_utf16_to_utf8( char * p_out, size_t p_out_size, const char16_t * p_source, size_t p_source_size ); + + + //! estimate_utf8_to_wide_quick() functions use simple math to determine buffer size required for the conversion. The result is not accurate length of output string - it's just a safe estimate of required buffer size, possibly bigger than what's really needed. \n + //! These functions are meant for scenarios when speed is more important than memory usage. + inline t_size estimate_utf8_to_wide_quick(t_size sourceLen) { + return sourceLen + 1; + } + inline t_size estimate_utf8_to_wide_quick(const char * source) { + return estimate_utf8_to_wide_quick(strlen(source)); + } + inline t_size estimate_utf8_to_wide_quick(const char * source, t_size sourceLen) { + return estimate_utf8_to_wide_quick(strlen_max(source, sourceLen)); + } + t_size convert_utf8_to_wide_unchecked(wchar_t * p_out,const char * p_source); + + template<typename t_char> const t_char * null_string_t(); + template<> inline const char * null_string_t<char>() {return "";} + template<> inline const wchar_t * null_string_t<wchar_t>() {return L"";} + + template<typename t_char> t_size strlen_t(const t_char * p_string,t_size p_string_size = SIZE_MAX) { + for(t_size n=0;n<p_string_size;n++) { + if (p_string[n] == 0) return n; + } + return p_string_size; + } + + template<typename t_char> bool string_is_empty_t(const t_char * p_string,t_size p_string_size = SIZE_MAX) { + if (p_string_size == 0) return true; + return p_string[0] == 0; + } + + template<typename t_char,template<typename t_allocitem> class t_alloc = pfc::alloc_standard> class char_buffer_t { + public: + char_buffer_t() {} + char_buffer_t(const char_buffer_t & p_source) : m_buffer(p_source.m_buffer) {} + void set_size(t_size p_count) {m_buffer.set_size(p_count);} + t_char * get_ptr_var() {return m_buffer.get_ptr();} + const t_char * get_ptr() const { + return m_buffer.get_size() > 0 ? m_buffer.get_ptr() : null_string_t<t_char>(); + } + private: + pfc::array_t<t_char,t_alloc> m_buffer; + }; + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_utf8_from_wide_t { + public: + string_utf8_from_wide_t() {} + string_utf8_from_wide_t(const wchar_t * p_source,t_size p_source_size = SIZE_MAX) {convert(p_source,p_source_size);} + + void convert(const wchar_t * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_wide_to_utf8(p_source,p_source_size); + m_buffer.set_size(size); + convert_wide_to_utf8( m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + const char * toString() const {return get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char,t_alloc> m_buffer; + }; + typedef string_utf8_from_wide_t<> string_utf8_from_wide; + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_wide_from_utf8_t { + public: + string_wide_from_utf8_t() {} + string_wide_from_utf8_t(const char* p_source) {convert(p_source);} + string_wide_from_utf8_t(const char* p_source,t_size p_source_size) {convert(p_source,p_source_size);} + + void convert(const char* p_source,t_size p_source_size) { + const t_size size = estimate_size(p_source, p_source_size); + m_buffer.set_size(size); + convert_utf8_to_wide( m_buffer.get_ptr_var(),size,p_source,p_source_size ); + } + void convert(const char * p_source) { + m_buffer.set_size( estimate_size(p_source) ); + convert_utf8_to_wide_unchecked(m_buffer.get_ptr_var(), p_source); + } + + operator const wchar_t * () const {return get_ptr();} + const wchar_t * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + void append(const char* p_source,t_size p_source_size) { + const t_size base = length(); + const t_size size = estimate_size(p_source, p_source_size); + m_buffer.set_size(base + size); + convert_utf8_to_wide( m_buffer.get_ptr_var() + base, size, p_source, p_source_size ); + } + void append(const char * p_source) { + const t_size base = length(); + m_buffer.set_size( base + estimate_size(p_source) ); + convert_utf8_to_wide_unchecked(m_buffer.get_ptr_var() + base, p_source); + } + + enum { alloc_prioritizes_speed = t_alloc<wchar_t>::alloc_prioritizes_speed }; + private: + + inline t_size estimate_size(const char * source, t_size sourceLen) { + return alloc_prioritizes_speed ? estimate_utf8_to_wide_quick(source, sourceLen) : estimate_utf8_to_wide(source,sourceLen); + } + inline t_size estimate_size(const char * source) { + return alloc_prioritizes_speed ? estimate_utf8_to_wide_quick(source) : estimate_utf8_to_wide(source,SIZE_MAX); + } + char_buffer_t<wchar_t,t_alloc> m_buffer; + }; + typedef string_wide_from_utf8_t<> string_wide_from_utf8; + typedef string_wide_from_utf8_t<alloc_fast_aggressive> string_wide_from_utf8_fast; + + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_wide_from_win1252_t { + public: + string_wide_from_win1252_t() {} + string_wide_from_win1252_t(const char * p_source,t_size p_source_size = SIZE_MAX) {convert(p_source,p_source_size);} + + void convert(const char * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_win1252_to_wide(p_source,p_source_size); + m_buffer.set_size(size); + convert_win1252_to_wide(m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const wchar_t * () const {return get_ptr();} + const wchar_t * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<wchar_t,t_alloc> m_buffer; + }; + typedef string_wide_from_win1252_t<> string_wide_from_win1252; + + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_win1252_from_wide_t { + public: + string_win1252_from_wide_t() {} + string_win1252_from_wide_t(const wchar_t * p_source,t_size p_source_size = SIZE_MAX) {convert(p_source,p_source_size);} + + void convert(const wchar_t * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_wide_to_win1252(p_source,p_source_size); + m_buffer.set_size(size); + convert_wide_to_win1252(m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char,t_alloc> m_buffer; + }; + typedef string_win1252_from_wide_t<> string_win1252_from_wide; + + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_utf8_from_win1252_t { + public: + string_utf8_from_win1252_t() {} + string_utf8_from_win1252_t(const char * p_source,t_size p_source_size = SIZE_MAX) {convert(p_source,p_source_size);} + + void convert(const char * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_win1252_to_utf8(p_source,p_source_size); + m_buffer.set_size(size); + convert_win1252_to_utf8(m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char,t_alloc> m_buffer; + }; + typedef string_utf8_from_win1252_t<> string_utf8_from_win1252; + + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_win1252_from_utf8_t { + public: + string_win1252_from_utf8_t() {} + string_win1252_from_utf8_t(const char * p_source,t_size p_source_size = SIZE_MAX) {convert(p_source,p_source_size);} + + void convert(const char * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_utf8_to_win1252(p_source,p_source_size); + m_buffer.set_size(size); + convert_utf8_to_win1252(m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char,t_alloc> m_buffer; + }; + typedef string_win1252_from_utf8_t<> string_win1252_from_utf8; + + class string_ascii_from_utf8 { + public: + string_ascii_from_utf8() {} + string_ascii_from_utf8( const char * p_source, t_size p_source_size = SIZE_MAX) { convert(p_source, p_source_size); } + + void convert( const char * p_source, t_size p_source_size = SIZE_MAX) { + t_size size = estimate_utf8_to_ascii(p_source, p_source_size); + m_buffer.set_size(size); + convert_utf8_to_ascii(m_buffer.get_ptr_var(), size, p_source, p_source_size); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char, pfc::alloc_fast_aggressive> m_buffer; + }; + + class string_utf8_from_utf16 { + public: + string_utf8_from_utf16() {} + string_utf8_from_utf16( const char16_t * p_source, size_t p_source_size = SIZE_MAX) {convert(p_source, p_source_size);} + + void convert( const char16_t * p_source, size_t p_source_size = SIZE_MAX) { + size_t size = estimate_utf16_to_utf8(p_source, p_source_size); + m_buffer.set_size(size); + convert_utf16_to_utf8(m_buffer.get_ptr_var(), size, p_source, p_source_size ); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char, pfc::alloc_fast_aggressive> m_buffer; + }; + + } +#ifdef _WINDOWS + namespace stringcvt { + + enum { + codepage_system = CP_ACP, + codepage_ascii = 20127, + codepage_iso_8859_1 = 28591, + }; + + + + //! Converts string from specified codepage to wide character. + //! @param p_out Output buffer, receives converted string, with null terminator. + //! @param p_codepage Codepage ID of source string. + //! @param p_source String to convert. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @param p_out_size Size of output buffer, in characters. If converted string is too long, it will be truncated. Null terminator is always written, unless p_out_size is zero. + //! @returns Number of characters written, not counting null terminator. + t_size convert_codepage_to_wide(unsigned p_codepage,wchar_t * p_out,t_size p_out_size,const char * p_source,t_size p_source_size); + + //! Estimates buffer size required to convert specified string from specified codepage to wide character. + //! @param p_codepage Codepage ID of source string. + //! @param p_source String to be converted. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters to allocate, including space for null terminator. + t_size estimate_codepage_to_wide(unsigned p_codepage,const char * p_source,t_size p_source_size); + + //! Converts string from wide character to specified codepage. + //! @param p_codepage Codepage ID of source string. + //! @param p_out Output buffer, receives converted string, with null terminator. + //! @param p_out_size Size of output buffer, in characters. If converted string is too long, it will be truncated. Null terminator is always written, unless p_out_size is zero. + //! @param p_source String to convert. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters written, not counting null terminator. + t_size convert_wide_to_codepage(unsigned p_codepage,char * p_out,t_size p_out_size,const wchar_t * p_source,t_size p_source_size); + + //! Estimates buffer size required to convert specified wide character string to specified codepage. + //! @param p_codepage Codepage ID of source string. + //! @param p_source String to be converted. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters to allocate, including space for null terminator. + t_size estimate_wide_to_codepage(unsigned p_codepage,const wchar_t * p_source,t_size p_source_size); + + + //! Converts string from system codepage to wide character. + //! @param p_out Output buffer, receives converted string, with null terminator. + //! @param p_source String to convert. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @param p_out_size Size of output buffer, in characters. If converted string is too long, it will be truncated. Null terminator is always written, unless p_out_size is zero. + //! @returns Number of characters written, not counting null terminator. + inline t_size convert_ansi_to_wide(wchar_t * p_out,t_size p_out_size,const char * p_source,t_size p_source_size) { + return convert_codepage_to_wide(codepage_system,p_out,p_out_size,p_source,p_source_size); + } + + //! Estimates buffer size required to convert specified system codepage string to wide character. + //! @param p_source String to be converted. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters to allocate, including space for null terminator. + inline t_size estimate_ansi_to_wide(const char * p_source,t_size p_source_size) { + return estimate_codepage_to_wide(codepage_system,p_source,p_source_size); + } + + //! Converts string from wide character to system codepage. + //! @param p_out Output buffer, receives converted string, with null terminator. + //! @param p_out_size Size of output buffer, in characters. If converted string is too long, it will be truncated. Null terminator is always written, unless p_out_size is zero. + //! @param p_source String to convert. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters written, not counting null terminator. + inline t_size convert_wide_to_ansi(char * p_out,t_size p_out_size,const wchar_t * p_source,t_size p_source_size) { + return convert_wide_to_codepage(codepage_system,p_out,p_out_size,p_source,p_source_size); + } + + //! Estimates buffer size required to convert specified wide character string to system codepage. + //! @param p_source String to be converted. + //! @param p_source_size Number of characters to read from p_source. If reading stops if null terminator is encountered earlier. + //! @returns Number of characters to allocate, including space for null terminator. + inline t_size estimate_wide_to_ansi(const wchar_t * p_source,t_size p_source_size) { + return estimate_wide_to_codepage(codepage_system,p_source,p_source_size); + } + + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_wide_from_codepage_t { + public: + string_wide_from_codepage_t() {} + string_wide_from_codepage_t(const string_wide_from_codepage_t<t_alloc> & p_source) : m_buffer(p_source.m_buffer) {} + string_wide_from_codepage_t(unsigned p_codepage,const char * p_source,t_size p_source_size = SIZE_MAX) {convert(p_codepage,p_source,p_source_size);} + + void convert(unsigned p_codepage,const char * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_codepage_to_wide(p_codepage,p_source,p_source_size); + m_buffer.set_size(size); + convert_codepage_to_wide(p_codepage, m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const wchar_t * () const {return get_ptr();} + const wchar_t * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<wchar_t,t_alloc> m_buffer; + }; + typedef string_wide_from_codepage_t<> string_wide_from_codepage; + + + template<template<typename t_allocitem> class t_alloc = pfc::alloc_standard> + class string_codepage_from_wide_t { + public: + string_codepage_from_wide_t() {} + string_codepage_from_wide_t(const string_codepage_from_wide_t<t_alloc> & p_source) : m_buffer(p_source.m_buffer) {} + string_codepage_from_wide_t(unsigned p_codepage,const wchar_t * p_source,t_size p_source_size = SIZE_MAX) {convert(p_codepage,p_source,p_source_size);} + + void convert(unsigned p_codepage,const wchar_t * p_source,t_size p_source_size = SIZE_MAX) { + t_size size = estimate_wide_to_codepage(p_codepage,p_source,p_source_size); + m_buffer.set_size(size); + convert_wide_to_codepage(p_codepage, m_buffer.get_ptr_var(),size,p_source,p_source_size); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char,t_alloc> m_buffer; + }; + typedef string_codepage_from_wide_t<> string_codepage_from_wide; + + class string_codepage_from_utf8 { + public: + string_codepage_from_utf8() {} + string_codepage_from_utf8(const string_codepage_from_utf8 & p_source) : m_buffer(p_source.m_buffer) {} + string_codepage_from_utf8(unsigned p_codepage,const char * p_source,t_size p_source_size = SIZE_MAX) {convert(p_codepage,p_source,p_source_size);} + + void convert(unsigned p_codepage,const char * p_source,t_size p_source_size = SIZE_MAX) { + string_wide_from_utf8 temp; + temp.convert(p_source,p_source_size); + t_size size = estimate_wide_to_codepage(p_codepage,temp,SIZE_MAX); + m_buffer.set_size(size); + convert_wide_to_codepage(p_codepage,m_buffer.get_ptr_var(),size,temp,SIZE_MAX); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char> m_buffer; + }; + + class string_utf8_from_codepage { + public: + string_utf8_from_codepage() {} + string_utf8_from_codepage(const string_utf8_from_codepage & p_source) : m_buffer(p_source.m_buffer) {} + string_utf8_from_codepage(unsigned p_codepage,const char * p_source,t_size p_source_size = SIZE_MAX) {convert(p_codepage,p_source,p_source_size);} + + void convert(unsigned p_codepage,const char * p_source,t_size p_source_size = SIZE_MAX) { + string_wide_from_codepage temp; + temp.convert(p_codepage,p_source,p_source_size); + t_size size = estimate_wide_to_utf8(temp,SIZE_MAX); + m_buffer.set_size(size); + convert_wide_to_utf8( m_buffer.get_ptr_var(),size,temp,SIZE_MAX); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + private: + char_buffer_t<char> m_buffer; + }; + + + class string_utf8_from_ansi { + public: + string_utf8_from_ansi() {} + string_utf8_from_ansi(const string_utf8_from_ansi & p_source) : m_buffer(p_source.m_buffer) {} + string_utf8_from_ansi(const char * p_source,t_size p_source_size = SIZE_MAX) : m_buffer(codepage_system,p_source,p_source_size) {} + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + const char * toString() const {return get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + void convert(const char * p_source,t_size p_source_size = SIZE_MAX) {m_buffer.convert(codepage_system,p_source,p_source_size);} + + private: + string_utf8_from_codepage m_buffer; + }; + + class string_ansi_from_utf8 { + public: + string_ansi_from_utf8() {} + string_ansi_from_utf8(const string_ansi_from_utf8 & p_source) : m_buffer(p_source.m_buffer) {} + string_ansi_from_utf8(const char * p_source,t_size p_source_size = SIZE_MAX) : m_buffer(codepage_system,p_source,p_source_size) {} + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + void convert(const char * p_source,t_size p_source_size = SIZE_MAX) {m_buffer.convert(codepage_system,p_source,p_source_size);} + + private: + string_codepage_from_utf8 m_buffer; + }; + + class string_wide_from_ansi { + public: + string_wide_from_ansi() {} + string_wide_from_ansi(const string_wide_from_ansi & p_source) : m_buffer(p_source.m_buffer) {} + string_wide_from_ansi(const char * p_source,t_size p_source_size = SIZE_MAX) : m_buffer(codepage_system,p_source,p_source_size) {} + operator const wchar_t * () const {return get_ptr();} + const wchar_t * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + void convert(const char * p_source,t_size p_source_size = SIZE_MAX) {m_buffer.convert(codepage_system,p_source,p_source_size);} + + private: + string_wide_from_codepage m_buffer; + }; + + class string_ansi_from_wide { + public: + string_ansi_from_wide() {} + string_ansi_from_wide(const string_ansi_from_wide & p_source) : m_buffer(p_source.m_buffer) {} + string_ansi_from_wide(const wchar_t * p_source,t_size p_source_size = SIZE_MAX) : m_buffer(codepage_system,p_source,p_source_size) {} + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return string_is_empty_t(get_ptr());} + t_size length() const {return strlen_t(get_ptr());} + + void convert(const wchar_t * p_source,t_size p_source_size = SIZE_MAX) {m_buffer.convert(codepage_system,p_source,p_source_size);} + + private: + string_codepage_from_wide m_buffer; + }; + +#ifdef UNICODE + typedef string_wide_from_utf8 string_os_from_utf8; + typedef string_utf8_from_wide string_utf8_from_os; + typedef string_wide_from_utf8_fast string_os_from_utf8_fast; +#else + typedef string_ansi_from_utf8 string_os_from_utf8; + typedef string_utf8_from_ansi string_utf8_from_os; + typedef string_ansi_from_utf8 string_os_from_utf8_fast; +#endif + + class string_utf8_from_os_ex { + public: + template<typename t_source> string_utf8_from_os_ex(const t_source * source, t_size sourceLen = SIZE_MAX) { + convert(source,sourceLen); + } + + void convert(const char * source, t_size sourceLen = SIZE_MAX) { + m_buffer = string_utf8_from_ansi(source,sourceLen); + } + void convert(const wchar_t * source, t_size sourceLen = SIZE_MAX) { + m_buffer = string_utf8_from_wide(source,sourceLen); + } + + operator const char * () const {return get_ptr();} + const char * get_ptr() const {return m_buffer.get_ptr();} + bool is_empty() const {return m_buffer.is_empty();} + t_size length() const {return m_buffer.length();} + const char * toString() const {return get_ptr();} + private: + string8 m_buffer; + }; + } + +#else + namespace stringcvt { + typedef string_win1252_from_wide string_ansi_from_wide; + typedef string_wide_from_win1252 string_wide_from_ansi; + typedef string_win1252_from_utf8 string_ansi_from_utf8; + typedef string_utf8_from_win1252 string_utf8_from_ansi; + } +#endif +}; + +pfc::string_base & operator<<(pfc::string_base & p_fmt, const wchar_t * p_str);
