244 lines
7.4 KiB
C++
244 lines
7.4 KiB
C++
#ifndef HGL_CODE_PAGE_INCLUDE
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#define HGL_CODE_PAGE_INCLUDE
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#include<hgl/platform/Platform.h>
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#include<hgl/type/BaseString.h>
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namespace hgl
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{
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struct CodePageAndCharSet
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{
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CharCodePage codepage;
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CharSetName charset;
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};
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constexpr struct CodePageAndCharSet CodePage2CharSet[]=
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{
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{ccpNone, "us-ascii" },
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{ccpGBK, "gbk" },
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{ccpBig5, "big5" },
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{ccpGB2312, "gb2312" },
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{ccpGB18030, "gb18030" },
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{ccpShiftJIS, "shift-jis" },
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{ccpJISX, "iso-2022-jp" },
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{ccpKorean, "ks_c_5601-1987"},
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{ccpMacJanpan, "x-mac-japanese" },
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{ccpMacTraditionalChinese, "x-mac-chinesetrad" },
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{ccpMacSimplifiedChinese, "x-mac-chinesesimp" },
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{ccpUTF7, "utf-7" },
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{ccpUTF8, "utf-8" },
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{ccpUTF16LE, "utf-16le" },
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{ccpUTF16BE, "utf-16be" },
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{ccpUTF32LE, "utf-32le" },
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{ccpUTF32BE, "utf-32be" },
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};//const struct
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constexpr int CharSetCount=sizeof(CodePage2CharSet)/sizeof(CodePageAndCharSet);
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inline const char *FindCharSet(CharCodePage ccp)
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{
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for(int i=0;i<CharSetCount;i++)
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if(CodePage2CharSet[i].codepage==ccp)
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return CodePage2CharSet[i].charset;
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return 0;
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}
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constexpr struct CodePageAndCharSet CodeSet2CharPage[]=
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{
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{ccpNone, "us-ascii" },
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{ccpGBK, "gbk" },
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{ccpBig5, "big5" },
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{ccpBig5, "bigfive" },
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{ccpGB2312, "gb2312" },
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{ccpGB18030, "gb18030" },
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{ccpShiftJIS, "shift_jis" },
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{ccpJISX, "iso-2022-jp" },
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{ccpKorean, "ks_c_5601-1987"},
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{ccpMacJanpan, "x-mac-japanese" },
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{ccpMacTraditionalChinese, "x-mac-chinesetrad" },
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{ccpMacSimplifiedChinese, "x-mac-chinesesimp" },
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{ccpUTF7, "utf7" },
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{ccpUTF8, "utf8" },
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{ccpUTF16LE, "utf16le" },
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{ccpUTF16BE, "utf16be" },
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{ccpUTF32LE, "utf32le" },
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{ccpUTF32BE, "utf32be" },
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{ccpUTF16LE, "ucs2le" },
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{ccpUTF16BE, "ucs2be" },
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{ccpUTF32LE, "ucs4le" },
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{ccpUTF32BE, "ucs4be" }
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};//const struct CharSet Characters
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constexpr int CharPageCount=sizeof(CodeSet2CharPage)/sizeof(CodePageAndCharSet);
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inline CharCodePage FindCodePage(const char *char_set)
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{
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for(int i=0;i<CharPageCount;i++)
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if(!charset_cmp(CodePage2CharSet[i].charset,char_set))
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return CodePage2CharSet[i].codepage;
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return ccpNone;
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}
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struct CharSet
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{
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CharCodePage codepage;
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CharSetName charset;
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public:
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CharSet()
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{
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codepage=ccpNone;
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strcpy(charset,CharSetNameLength,"us-ascii");
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}
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CharSet(CharCodePage ccp,const char *cs)
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{
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codepage=ccp;
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strcpy(charset,CharSetNameLength,cs);
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}
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CharSet(CharCodePage);
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CharSet(const char *);
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CharSet(const CodePageAndCharSet &cs)
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{
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codepage=cs.codepage;
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strcpy(charset,CharSetNameLength,cs.charset);
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}
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int _Comp(const CharSet &data)const{return codepage-data.codepage;} \
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CompOperator(const CharSet &,_Comp)
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};//struct CharacterSet
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inline CharSet::CharSet(CharCodePage ccp)
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{
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codepage=ccp;
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strcpy(charset,CharSetNameLength,FindCharSet(ccp));
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}
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inline CharSet::CharSet(const char *cs)
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{
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codepage=FindCodePage(cs);
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strcpy(charset,CharSetNameLength,FindCharSet(codepage));
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}
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extern CharSet DefaultCharSet();
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extern CharSet UTF8CharSet;
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extern CharSet UTF16LECharSet;
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extern CharSet UTF16BECharSet;
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/**
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* 使用指定字符集转换字符串到 u16char *字符串
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* @param charset 字符集
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* @param dst u16char *字符串缓冲区，自动分配，需手动delete[]
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* @param src 原始字符串
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* @param src_size 字符串长度,-1表示全部
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* @return 转换成功后的字符串字符数
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*/
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int to_utf16(const CharSet &charset,u16char **dst,const char *src,const int src_size=-1);
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int to_utf8(const CharSet &charset,char **dst,const char *src,const int src_size=-1);
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/**
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* 转换u16char *字符串到指定字符集的字符串
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* @param charset 字符集
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* @param dst char *字符串缓冲区，自动分配，需手动delete[]
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* @param src u16char *字符串
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* @param src_size 字符串长度,-1表示全部
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* @return 转换成功后的字符串字符数
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*/
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int utf16_to(const CharSet &charset,char **dst,const u16char *src,const int src_size=-1);
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int utf8_to(const CharSet &charset,char **dst,const char *src,const int src_size=-1);
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int u16_to_u8(char *,int,const u16char *,const int=-1); ///<转换u16char *到utf8格式的char *
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int u8_to_u16(u16char *,int,const char *,const int=-1); ///<转换utf8格式的char *到u16char *
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char * u16_to_u8(const u16char *,const int,int &); ///<转换u16char *到utf8格式的char *
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u16char * u8_to_u16(const char *,const int,int &); ///<转换utf8格式的char *到u16char *
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inline char * u16_to_u8(const u16char *str)
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{
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int len;
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return u16_to_u8(str,hgl::strlen<u16char>(str)+1,len);
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}
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inline u16char *u8_to_u16(const char *str)
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{
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int len;
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return u8_to_u16(str,hgl::strlen<char>(str)+1,len);
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}
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inline UTF16String to_u16(const char *u8_str,int length)
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{
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int wlen;
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u16char *ws=u8_to_u16(u8_str,length,wlen);
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return UTF16String(ws,wlen,true);
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}
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inline UTF16String to_u16(const UTF8String &u8str)
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{
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return to_u16(u8str.c_str(),u8str.Length());
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}
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inline UTF16String to_u16(const char *str)
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{
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int wlen;
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u16char *ws=u8_to_u16(str,strlen(str),wlen);
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return UTF16String(ws,wlen,true);
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}
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inline UTF8String to_u8(const u16char *wide_str,int length)
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{
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int ulen;
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char *us=u16_to_u8(wide_str,length,ulen);
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return UTF8String(us,ulen,true);
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}
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inline UTF8String to_u8(const UTF16String &ws)
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{
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return to_u8(ws.c_str(),ws.Length());
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}
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#if HGL_OS == HGL_OS_Windows
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inline OSString ToOSString(const char *str){return to_u16(str);}
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inline OSString ToOSString(const UTF8String &str){return to_u16(str.c_str(), (int)(str.Length()));}
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inline UTF8String ToUTF8String(const os_char *str){return to_u8(str,strlen(str));}
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inline UTF8String ToUTF8String(const OSString &str){return to_u8(str);}
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#else
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inline OSString ToOSString(const char *str){return OSString(str);}
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inline OSString ToOSString(const UTF8String &str){return str;}
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inline UTF8String ToUTF8String(const os_char *str){return UTF8String(str);}
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inline UTF8String ToUTF8String(const OSString &str){return str;}
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#endif//
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const BOMFileHeader *ParseBOM(const void *input);
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bool BOM2CharSet(CharSet *cs,const BOMFileHeader *bom);
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}//namespace hgl
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#endif//HGL_CODE_PAGE_INCLUDE
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