ultimatepp/uppsrc/Core/CharSet.h
cxl bfdc0cd44e Core: JSON now treats string codepoints >0x8000 as surrogate pairs
git-svn-id: svn://ultimatepp.org/upp/trunk@11269 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2017-07-27 12:38:51 +00:00

271 lines
12 KiB
C

#define CHRSET_(id, s) CHARSET_##id,
enum {
CHARSET_DEFAULT,
#include "CharSet.i"
};
#undef CHRSET_
#define CHARSET_TOASCII 253
#define CHARSET_UTF8 255
#define CHARSET_UNICODE 255
enum {
DEFAULTCHAR = 0x1f
};
#ifndef flagSO
#define CHRSET_(id, s) extern word CHRTAB_##id[128];
#include "CharSet.i"
#undef CHRSET_
#endif
#include "Utf.hpp"
int strlen32(const dword *s);
inline bool IsUtf8Lead(int c)
{
return (c & 0xc0) != 0x80;
}
dword FetchUtf8(const char *&s, const char *lim, bool& ok);
inline dword FetchUtf8(const char *&s, const char *lim) { bool ok; return FetchUtf8(s, lim, ok); }
bool CheckUtf8(const char *s, int len);
inline bool CheckUtf8(const char *s) { return CheckUtf8(s, (int)strlen(s)); }
inline bool CheckUtf8(const String& s) { return CheckUtf8(~s, s.GetCount()); }
int Utf8Len(const dword *s, int len);
inline int Utf8Len(const dword *s) { return Utf8Len(s, strlen32(s)); }
inline int Utf8Len(const Vector<dword>& s) { return Utf8Len(s, s.GetCount()); }
inline int Utf8Len(dword code) { return Utf8Len(&code, 1); }
int Utf8Len(const wchar *s, int len);
inline int Utf8Len(const wchar *s) { return Utf8Len(s, wstrlen(s)); }
inline int Utf8Len(const WString& s) { return Utf8Len(~s, s.GetCount()); }
void ToUtf8(char *t, const dword *s, int len);
String ToUtf8(const dword *s, int len);
inline String ToUtf8(const dword *s) { return ToUtf8(s, strlen32(s)); }
inline String ToUtf8(const Vector<dword>& s) { return ToUtf8(s, s.GetCount()); }
inline String ToUtf8(dword code) { return ToUtf8(&code, 1); }
void ToUtf8(char *t, const wchar *s, int len);
String ToUtf8(const wchar *s, int len);
inline String ToUtf8(const wchar *s) { return ToUtf8(s, wstrlen(s)); }
inline String ToUtf8(const WString& s) { return ToUtf8(~s, s.GetCount()); }
int Utf16Len(const dword *s, int len);
inline int Utf16Len(const dword *s) { return Utf16Len(s, strlen32(s)); }
inline int Utf16Len(const Vector<dword>& s) { return Utf16Len(s, s.GetCount()); }
inline int Utf16Len(dword code) { return Utf16Len(&code, 1); }
int Utf16Len(const char *s, int len);
inline int Utf16Len(const char *s) { return Utf16Len(s, (int)strlen(s)); }
inline int Utf16Len(const String& s) { return Utf16Len(~s, s.GetCount()); }
void ToUtf16(wchar *t, const dword *s, int len);
WString ToUtf16(const dword *s, int len);
inline WString ToUtf16(const dword *s) { return ToUtf16(s, strlen32(s)); }
inline WString ToUtf16(const Vector<dword>& s) { return ToUtf16(s, s.GetCount()); }
inline WString ToUtf16(dword code) { return ToUtf16(&code, 1); }
void ToUtf16(wchar *t, const char *s, int len);
WString ToUtf16(const char *s, int len);
inline WString ToUtf16(const char *s) { return ToUtf16(s, (int)strlen(s)); }
inline WString ToUtf16(const String& s) { return ToUtf16(~s, s.GetCount()); }
int Utf32Len(const wchar *s, int len);
inline int Utf32Len(const wchar *s) { return Utf32Len(s, wstrlen(s)); }
inline int Utf32Len(const WString& s) { return Utf32Len(~s, s.GetCount()); }
int Utf32Len(const char *s, int len);
inline int Utf32Len(const char *s) { return Utf32Len(s, (int)strlen(s)); }
inline int Utf32Len(const String& s) { return Utf32Len(~s, s.GetCount()); }
void ToUtf32(dword *t, const wchar *s, int len);
Vector<dword> ToUtf32(const wchar *s, int len);
inline Vector<dword> ToUtf32(const wchar *s) { return ToUtf32(s, wstrlen(s)); }
inline Vector<dword> ToUtf32(const WString& s) { return ToUtf32(~s, s.GetCount()); }
void ToUtf32(dword *t, const char *s, int len);
Vector<dword> ToUtf32(const char *s, int len);
inline Vector<dword> ToUtf32(const char *s) { return ToUtf32(s, (int)strlen(s)); }
inline Vector<dword> ToUtf32(const String& s) { return ToUtf32(~s, s.GetCount()); }
enum { MAX_DECOMPOSED = 18 };
int UnicodeDecompose(dword codepoint, dword t[MAX_DECOMPOSED], bool only_canonical = false);
Vector<dword> UnicodeDecompose(dword codepoint, bool only_canonical = false);
dword UnicodeCompose(const dword *t, int count);
inline dword UnicodeCompose(const Vector<dword>& t) { return UnicodeCompose(t, t.GetCount()); }
void SetDefaultCharset(byte charset);
byte GetDefaultCharset();
byte ResolveCharset(byte charset);
byte AddCharSet(const char *name, const word *table);
byte AddCharSetE(const char *name, word *table);
const char *CharsetName(byte charset);
int CharsetCount();
int CharsetByName(const char *name);
void ConvertCharset(char *t, byte tcharset, const char *s, byte scharset, int n);
String ToCharset(byte charset, const String& s, byte scharset = CHARSET_DEFAULT, int defchar = DEFAULTCHAR);
#ifndef flagSO
extern word unicode_fast_upper__[2048];
extern word unicode_fast_lower__[2048];
extern byte unicode_fast_ascii__[2048];
extern byte unicode_fast_info__[2048];
dword ToUpperRest_(dword c);
dword ToLowerRest_(dword c);
char ToAsciiRest_(dword c);
bool IsRTL_(dword c);
bool IsMark_(dword c);
bool IsLetter_(dword c);
bool IsUpper_(dword c);
bool IsLower_(dword c);
inline dword ToUpper(dword c) { return c < 2048 ? unicode_fast_upper__[c] : ToUpperRest_(c); }
inline dword ToLower(dword c) { return c < 2048 ? unicode_fast_lower__[c] : ToLowerRest_(c); }
inline char ToAscii(dword c) { return c < 2048 ? unicode_fast_ascii__[c] : ToAsciiRest_(c); }
inline bool IsLower(dword c) { return c < 2048 ? unicode_fast_info__[c] & 1 : IsLower_(c); }
inline bool IsUpper(dword c) { return c < 2048 ? unicode_fast_info__[c] & 2 : IsUpper_(c); }
inline bool IsLetter(dword c) { return c < 2048 ? unicode_fast_info__[c] & 4 : IsLetter_(c); }
#else
bool IsLetter(int c);
bool IsUpper(int c);
bool IsLower(int c);
int ToUpper(int c);
int ToLower(int c);
int ToAscii(int c);
#endif
inline bool IsRTL(dword c) { return (dword)c >= 1470 && IsRTL_(c); }
inline bool IsMark(dword c) { return c < 0x300 ? false : c <= 0x36f ? true : IsMark_(c); }
inline bool IsLetter(int c) { return IsLetter((dword) c); }
inline bool IsUpper(int c) { return IsUpper((dword) c); }
inline bool IsLower(int c) { return IsLower((dword) c); }
inline int ToUpper(int c) { return ToUpper((dword) c); }
inline int ToLower(int c) { return ToLower((dword) c); }
inline char ToAscii(int c) { return ToAscii((dword) c); }
inline bool IsLetter(char c) { return IsLetter((dword)(byte) c); }
inline bool IsUpper(char c) { return IsUpper((dword)(byte) c); }
inline bool IsLower(char c) { return IsLower((dword)(byte) c); }
inline dword ToUpper(char c) { return ToUpper((dword)(byte) c); }
inline dword ToLower(char c) { return ToLower((dword)(byte) c); }
inline char ToAscii(char c) { return ToAscii((dword)(byte) c); }
inline bool IsLetter(signed char c) { return IsLetter((dword)(byte) c); }
inline bool IsUpper(signed char c) { return IsUpper((dword)(byte) c); }
inline bool IsLower(signed char c) { return IsLower((dword)(byte) c); }
inline dword ToUpper(signed char c) { return ToUpper((dword)(byte) c); }
inline dword ToLower(signed char c) { return ToLower((dword)(byte) c); }
inline char ToAscii(signed char c) { return ToAscii((dword)(byte) c); }
inline bool IsLetter(wchar c) { return IsLetter((dword) c); }
inline bool IsUpper(wchar c) { return IsUpper((dword) c); }
inline bool IsLower(wchar c) { return IsLower((dword) c); }
inline dword ToUpper(wchar c) { return ToUpper((dword) c); }
inline dword ToLower(wchar c) { return ToLower((dword) c); }
inline char ToAscii(wchar c) { return ToAscii((dword) c); }
inline bool IsDigit(int c) { return c >= '0' && c <= '9'; }
inline bool IsAlpha(int c) { return c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z'; }
inline bool IsAlNum(int c) { return IsDigit(c) || IsAlpha(c); }
inline bool IsLeNum(int c) { return IsDigit(c) || IsLetter(c); }
inline bool IsPunct(int c) { return c != ' ' && !IsAlNum(c); }
inline bool IsSpace(int c) { return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\v' || c == '\t'; }
inline bool IsXDigit(int c) { return IsDigit(c) || c >= 'A' && c <= 'F' || c >= 'a' && c <= 'f'; }
inline bool IsCJKIdeograph(int c) { return c >= 0x2e80 && c <= 0xdfaf || c >= 0xf900 && c <= 0xfaff; }
word UnicodeCombine(word chr, word combine);
void ToUpper(wchar *t, const wchar *s, int len);
void ToLower(wchar *t, const wchar *s, int len);
void ToAscii(wchar *t, const wchar *s, int len);
void ToUpper(wchar *s, int len);
void ToLower(wchar *s, int len);
void ToAscii(wchar *s, int len);
bool IsLetter(int c, byte charset);
bool IsUpper(int c, byte charset);
bool IsLower(int c, byte charset);
int ToUpper(int c, byte charset);
int ToLower(int c, byte charset);
int ToAscii(int c, byte charset);
void ToUpper(char *t, const char *s, int len, byte charset = CHARSET_DEFAULT);
void ToLower(char *t, const char *s, int len, byte charset = CHARSET_DEFAULT);
void ToAscii(char *t, const char *s, int len, byte charset = CHARSET_DEFAULT);
void ToUpper(char *s, int len, byte charset = CHARSET_DEFAULT);
void ToLower(char *s, int len, byte charset = CHARSET_DEFAULT);
void ToAscii(char *s, int len, byte charset = CHARSET_DEFAULT);
WString InitCaps(const wchar *s);
WString InitCaps(const WString& s);
WString ToUpper(const WString& w);
WString ToLower(const WString& w);
WString ToAscii(const WString& w);
String InitCaps(const char *s, byte charset = CHARSET_DEFAULT);
String ToUpper(const String& s, byte charset = CHARSET_DEFAULT);
String ToLower(const String& s, byte charset = CHARSET_DEFAULT);
String ToAscii(const String& s, byte charset = CHARSET_DEFAULT);
String ToUpper(const char *s, byte charset = CHARSET_DEFAULT);
String ToLower(const char *s, byte charset = CHARSET_DEFAULT);
String ToAscii(const char *s, byte charset = CHARSET_DEFAULT);
WString LoadStreamBOMW(Stream& in, byte def_charset);
WString LoadStreamBOMW(Stream& in);
String LoadStreamBOM(Stream& in, byte def_charset);
String LoadStreamBOM(Stream& in);
WString LoadFileBOMW(const char *path, byte def_charset);
WString LoadFileBOMW(const char *path);
String LoadFileBOM(const char *path, byte def_charset);
String LoadFileBOM(const char *path);
bool SaveStreamBOM(Stream& out, const WString& data);
bool SaveFileBOM(const char *path, const WString& data);
bool SaveStreamBOMUtf8(Stream& out, const String& data);
bool SaveFileBOMUtf8(const char *path, const String& data);
// Deprecated
int ToUnicode(int chr, byte charset);
int FromUnicode(wchar wchr, byte charset, int defchar = DEFAULTCHAR);
void ToUnicode(wchar *ws, const char *s, int n, byte charset);
void FromUnicode(char *s, const wchar *ws, int n, byte charset, int defchar = DEFAULTCHAR);
WString ToUnicode(const String& src, byte charset);
WString ToUnicode(const char *src, int n, byte charset);
String FromUnicodeBuffer(const wchar *src, int len, byte charset = CHARSET_DEFAULT, int defchar = DEFAULTCHAR);
String FromUnicodeBuffer(const wchar *src);
String FromUnicode(const WString& src, byte charset = CHARSET_DEFAULT, int defchar = DEFAULTCHAR);
inline WString FromUtf8(const char *s, int len) { return ToUtf16(s, len); }
inline WString FromUtf8(const char *s) { return ToUtf16(s); }
inline WString FromUtf8(const String& s) { return ToUtf16(s); }
inline bool utf8check(const char *s, int len) { return CheckUtf8(s, len); }
inline int utf8len(const char *s, int len) { return Utf16Len(s, len); }
inline int utf8len(const char *s) { return Utf16Len(s); }
inline int lenAsUtf8(const wchar *s, int len) { return Utf8Len(s, len); }
inline int lenAsUtf8(const wchar *s) { return Utf8Len(s); }