Files
foobar2000-sdk/pfc/string_conv.h
2021-12-14 00:28:25 -07:00

585 lines
28 KiB
C++

#pragma once
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 = ~0) {
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 = ~0) {
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 = ~0) {convert(p_source,p_source_size);}
void convert(const wchar_t * p_source,t_size p_source_size = ~0) {
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,~0);
}
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 = ~0) {convert(p_source,p_source_size);}
void convert(const char * p_source,t_size p_source_size = ~0) {
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 = ~0) {convert(p_source,p_source_size);}
void convert(const wchar_t * p_source,t_size p_source_size = ~0) {
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 = ~0) {convert(p_source,p_source_size);}
void convert(const char * p_source,t_size p_source_size = ~0) {
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 = ~0) {convert(p_source,p_source_size);}
void convert(const char * p_source,t_size p_source_size = ~0) {
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 = ~0) { convert(p_source, p_source_size); }
void convert( const char * p_source, t_size p_source_size = ~0) {
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 = ~0) {convert(p_source, p_source_size);}
void convert( const char16_t * p_source, size_t p_source_size = ~0) {
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 = ~0) {convert(p_codepage,p_source,p_source_size);}
void convert(unsigned p_codepage,const char * p_source,t_size p_source_size = ~0) {
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 = ~0) {convert(p_codepage,p_source,p_source_size);}
void convert(unsigned p_codepage,const wchar_t * p_source,t_size p_source_size = ~0) {
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 = ~0) {convert(p_codepage,p_source,p_source_size);}
void convert(unsigned p_codepage,const char * p_source,t_size p_source_size = ~0) {
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,~0);
}
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 = ~0) {convert(p_codepage,p_source,p_source_size);}
void convert(unsigned p_codepage,const char * p_source,t_size p_source_size = ~0) {
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 = ~0) : 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 = ~0) {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 = ~0) : 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 = ~0) {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 = ~0) : 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 = ~0) {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 = ~0) : 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 = ~0) {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 = ~0) {
convert(source,sourceLen);
}
void convert(const char * source, t_size sourceLen = ~0) {
m_buffer = string_utf8_from_ansi(source,sourceLen);
}
void convert(const wchar_t * source, t_size sourceLen = ~0) {
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);