[报道]重新报个到,申请个新人成长礼包~
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/**
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*@author Jimmy' i$ }8 e! h0 P% E& S6 E# s6 N& C
*@date 2007.1.165 X& P: y l! i) s' z
*/
( I" ~& b& F+ X! z8 W0 }8 z#include "utf8conv.h"2 Z: t$ \, }9 B, K' ~+ M& }
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# {! r/ C& U5 a1 ~) [ a( v; {: U; K3 D2 X0 M4 d- w3 q
int UTF8Conv::codepage(const char* code_page)* K* c8 \: I: S% D/ C M* X
{
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if(code_page)
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return GetACP();//既竚箇砞
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return 950 ;//taiwan acp! S+ r' |4 e# M) W, @5 F
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e M& D/ n. l0 Qint UTF8Conv::dbcs2wchar(const char* code_page,/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max)6 y4 D2 U" Z6 _) V: {
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#ifdef WIN32
' P' e0 K# S: N) \2 k return ::MultiByteToWideChar(codepage(code_page),0,in,in_len,out,out_max);/ C5 d, i9 ~. e+ v6 @
#else 1 p: H0 C5 R- e( `, z: q
size_t result;
7 H" V+ Q+ p4 q8 ?4 W iconv_t env;' U9 u" q, O0 f7 G2 _
env = iconv_open("WCHAR_T",code_page);
% }2 s9 L& ?* y- Q ? result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);
' f+ p8 q9 ]" A P/ s" P0 C iconv_close(env);4 d7 n, @$ v& v3 @: l$ [
return (int) result;
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8 l/ Y1 V6 ^) N7 ~# u#endif
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~- f8 K" R0 U Y; o- rint UTF8Conv::dbcs2wchar(const char* code_page,/*in*/const std::string& in,/*out*/std::wstring& out)- }( l: z: X! M+ F/ u5 M3 h- E
{
- V( @7 Q: [( o) n Q int len = in.length() + 1;
9 h3 Z8 I# ?' C2 _0 l6 L; b int result;8 @6 B) l0 Z5 b% b6 s6 ~
wchar_t* pBuffer = new wchar_t[len];; g4 G0 _7 {3 W- ]
memset(pBuffer,0,len*sizeof(wchar_t));
6 c- g- M! v6 c" s% B result = dbcs2wchar(code_page,in.c_str(),in.length(),pBuffer,len*sizeof(wchar_t));
6 c9 G/ C- b& q- q if(pBuffer >= 0) Z, \/ N9 P+ k5 z$ q5 n' C2 r
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out = pBuffer;- `9 A* \9 T+ @
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else
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out.clear();) o1 k' T8 X0 L1 R
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delete[] pBuffer;! Q8 _8 _* y7 J `2 J
return result;. Z/ G" H/ w2 t* A. ^/ A% s
}
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int UTF8Conv::wchar2dbcs(const char* code_page,/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max), Z) E, W/ p; c5 n5 B
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#ifdef WIN32. r5 l6 P/ K- n! U2 e+ O
BOOL use_def_char;! h7 ?( v* [, p* w# \6 }6 `
use_def_char = FALSE;+ p# z" Q+ L3 f8 Y% K& X* l# Z8 x
return ::WideCharToMultiByte(codepage(code_page),0,in,in_len/sizeof(wchar_t),out,out_max,"?",&use_def_char);) T- z7 Q4 c" P! U$ n, h" _
#else
) x% \ Z4 W# E, s: J% g! l size_t result;
( G4 m. v$ V/ G) V2 s8 X8 G1 d iconv_t env;
- f2 Y! D' e3 Z6 g5 N6 ~ env = iconv_open(code_page,"WCHAR_T");
! J8 r; J# R/ o result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);" g7 ^& y+ O0 c1 h: S' N% T
iconv_close(env);9 ` A) B9 [! G9 }8 i
return (int) result;
* D3 H+ _9 P X, H% @#endif
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int UTF8Conv::wchar2dbcs(const char* code_page,/*in*/const std::wstring& in,/*out*/std::string& out)( A0 V: J8 S! X2 Q
{
% @6 l5 R8 Y) @2 w int len = in.length() + 1;* F5 c( b( F [- z X* c. ^
int result;
9 t& g! I& S% }9 V- C char* pBuffer = new char[len*3];
) G( g. s" F" ]3 b memset(pBuffer,0,len*3);8 [" V: z# H8 z% x
result = wchar2dbcs(code_page,in.c_str(),in.length() * sizeof(wchar_t),pBuffer,len*3);& w- O1 m1 g: T! P! x: J1 V9 B
if(result >= 0)$ x' ?& P8 |2 I; ^& H% X* L
{
& D: M, X' T! L/ A4 J" k out = pBuffer;+ q4 p/ d) a/ F' W7 K6 m
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else
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out = "";
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o3 @- @8 @6 A" _, j delete[] pBuffer;
" p1 b, E$ b0 e4 Y( k return result;
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int UTF8Conv::wchar2utf8(/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max)
5 J% B& B' F/ ~{
+ v4 F4 a ^" f0 c* i, C#ifdef WIN32
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: I4 q9 k, e: P: M! T" O1 a BOOL use_def_char;. N* ^% w/ I- ^+ K! V
use_def_char = FALSE;
2 P( ?6 [8 G8 c( j# u: |$ `2 ~ return ::WideCharToMultiByte(CP_UTF8,0,in,in_len/sizeof(wchar_t),out,out_max,NULL,NULL);
- e, F8 r8 c* p1 C& Z) x#else
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iconv_t env;* i. y Z. w: A( k9 H# _3 @. _9 A+ d' }
5 U) Y; g# t8 a. Q6 J env = iconv_open("UTF8","WCHAR_T");$ P; a8 c$ b9 k3 }2 G
result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max); : q+ R8 \3 b; i2 t, i/ r$ t8 J
iconv_close(env);. t" Y/ X# o2 r: E. s( A5 V1 a
return (int) result;
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}
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* N5 U+ m: }$ b9 ^+ |/ a5 i0 Cint UTF8Conv::wchar2utf8(/*in*/const std::wstring& in,/*out*/std::string& out)
* K( c' }' N* I% y' f3 E" o" j{/ D0 d& A T o( U3 E5 ]
int len = in.length() + 1;
+ T) X+ ~7 I- X- f! Q# G; D+ u int result;: g; v- J- V" h- I4 m
char* pBuffer = new char[len*3];% u) x. I- n6 z. A- v
memset(pBuffer,0,len*3); 4 n+ l. _( W1 B: q" @" `6 _( y
result = wchar2utf8(in.c_str(),in.length() * sizeof(wchar_t),pBuffer,len*3); 1 }: P$ C4 N; L
if(result >= 0)+ z$ J8 d5 u% ]% F: {, `' p$ A
{
* R0 o; q) |! ^ out = pBuffer;, b" C) c+ y' P) m
}
G+ i6 a: `0 j* Y: [; E, A* R else
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out = "";; x9 v* ?4 X. P e% |
}
& a8 a. }8 x) U& _$ X& d delete[] pBuffer;: Y5 n% W9 x. E
return result;& _) K+ y8 T' P! F* A3 z, J
}
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; y/ b9 |5 f/ E5 M3 s1 Nint UTF8Conv::utf82wchar(/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max)
* \- D2 B2 z2 o. R6 V5 i{- z: H8 }; n0 s% K j. Z' }
#ifdef WIN32
$ O/ H3 K3 }$ t: E/ H. p return ::MultiByteToWideChar(CP_UTF8,0,in,in_len,out,out_max);/ z4 `; }2 d2 v3 Z: |9 B3 D
#else
+ z C' Y1 l' Z8 x$ o size_t result;6 R6 n0 A B6 E! g+ r- U
iconv_t env;7 z! v5 z; p2 y
env = iconv_open("WCHAR_T","UTF8");
9 z3 o# b- e* S7 o `+ P" | result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);; j6 p3 P* J8 q6 D6 _8 S$ z- S6 I
iconv_close(env);
5 G. T; d, |. G, f; l; @ return (int) result;
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}
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9 R' g! V. R( Q1 L' z! }int UTF8Conv::utf82wchar(/*in*/const std::string& in,/*out*/std::wstring& out)
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, I1 P) c2 u% F7 S& N+ u int len = in.length() + 1;. h8 `' }9 t; z; D& z+ `
int result;
4 U5 l l; {* e* g //wstring temp;8 L/ C w8 V$ Z/ G- y$ ]) Z! w: O
wchar_t* pBuffer = new wchar_t[len];, D5 ~" f* A( G3 |
memset(pBuffer,0,len*sizeof(wchar_t));, o5 u2 l {" [5 V: y
result = utf82wchar(in.c_str(),in.length(),pBuffer,len*sizeof(wchar_t));
1 l& ^* Q- l Q0 U S //printf("utf82wchar result is %d,errno is %s\n",result,strerror(errno));
' N4 @. u% @" b( y8 r" d if(result >= 0)
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out = pBuffer;
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{
% e* q) x& E0 U$ L out.clear(); ) z9 ^* o/ u. p. Z: r' o" o
}! U, ]0 {: p9 N
delete[] pBuffer;0 w X; s; @" q( j& a" R
return result;6 p' B% E, S8 C) K) L
}
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* p( `# p; S) W+ m$ b/ V/ @# j/**9 W3 v1 j' ~' ^9 f0 f
*@file
7 o9 S" c8 _5 [$ U*@author Jimmy' i) P" q/ L8 n4 Q. O+ a# u
*@date 2007.1.16
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#ifndef _UTF8CONV_H_
5 D0 t& f! m, r% A#define _UTF8CONV_H_
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+ S/ X: b! f I# K#ifdef WIN329 m* ?6 D: |# I' p
#include <windows.h>5 p q+ z& {) Y
#include <winnls.h>% C: z) x7 v- l8 A* t9 @
#else
! Z' C5 t8 m; f#include <stdio.h>5 U* B. H5 F- [6 Z+ A/ ] L9 Q3 L9 O
#include <iconv.h>$ i% k0 B2 D3 A8 `/ u
#endif
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3 R8 }) n" u6 N* \#include<string> j! G8 _6 b6 j9 e c9 E1 W/ F
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6 ]4 C% t, @( t' I5 h$ ?" W4 cclass UTF8Conv
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public:; u$ S* q0 o! O1 {4 K- w
static int codepage(const char* code_page);
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* n( u4 m" X( v' c static int dbcs2wchar(const char* code_page,/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max) ;
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4 `9 |! C& ]0 o, K6 m static int dbcs2wchar(const char* code_page,/*in*/const std::string& in,/*out*/std::wstring& out);% L/ W9 z, ] w
9 l% L4 e# r7 g* x6 a( _# r static int wchar2dbcs(const char* code_page,/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max) ;
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static int wchar2dbcs(const char* code_page,/*in*/const std::wstring& in,/*out*/std::string& out) ;
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static int wchar2utf8(/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max);
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8 @5 W+ `7 @0 J; W; S f A- E5 i- x static int wchar2utf8(/*in*/const std::wstring& in,/*out*/std::string& out);: C0 J; i6 m M$ a1 b1 L- x% S! O
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static int utf82wchar(/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max);# ]' f7 a8 J% C
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static int utf82wchar(/*in*/const std::string& in,/*out*/std::wstring& out);! @: @, X9 G6 u# m4 {2 U4 d$ v5 X
};
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4 ]' m1 L+ C. q' r. N1 k#endif |