diff options
Diffstat (limited to 'Source/Library/Common/WChar.class.h')
-rw-r--r-- | Source/Library/Common/WChar.class.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Source/Library/Common/WChar.class.h b/Source/Library/Common/WChar.class.h new file mode 100644 index 0000000..3eca3d3 --- /dev/null +++ b/Source/Library/Common/WChar.class.h @@ -0,0 +1,89 @@ +#ifndef DEF_UCHAR_CLASS_H +#define DEF_UCHAR_CLASS_H + +#include <types.h> + +#ifndef THIS_IS_NOT_MELON +#include <common.h> +#endif + +enum { + UE_UTF8, + UE_UTF16, + UE_UTF32, +}; + +union uchar_repr_t { + char c[4]; + u32int i; +}; + +struct WChar { + u32int value; + static WChar CP437[]; //Codepage 437, used for conversion from/to ascii + + WChar(); //Creates a null character + WChar(char c); //From ascii character + WChar(const char* c, u8int encoding = UE_UTF8); //From utf8 string + + static u32int ucharLen(const char* c, u8int encoding = UE_UTF8); //Returns count of bytes in one unicode character + static u32int utfLen(const char* c, u8int encoding = UE_UTF8); //Returns count of utf8 characters in string + + void affectAscii(char c); + u32int affectUtf8(const char* c); + u32int affectUtf16(const char* c); + u32int affectUtf32(const char* c); + + u32int affect(const char* c, u8int encoding = UE_UTF8) { + if (encoding == UE_UTF8) return affectUtf8(c); + if (encoding == UE_UTF16) return affectUtf16(c); + if (encoding == UE_UTF32) return affectUtf32(c); + affectAscii(c[0]); //Default case :/ + return 1; + } + + u8int toAscii(); + + uchar_repr_t toUtf8(); + uchar_repr_t toUtf16(); + uchar_repr_t toUtf32(); + + uchar_repr_t encode(u8int encoding = UE_UTF8) { + if (encoding == UE_UTF8) return toUtf8(); + //if (encoding == UE_UTF16) return toUtf16(); + if (encoding == UE_UTF32) return toUtf32(); + uchar_repr_t x; + x.c[0] = toAscii(); + return x; + } + + inline WChar operator+ (u32int other) { + WChar r; + r.value = value + other; + return r; + } + inline WChar operator- (u32int other) { + WChar r; + r.value = value - other; + return r; + } + inline WChar& operator+= (u32int other) { + value += other; + return *this; + } + inline WChar& operator-= (u32int other) { + value -= other; + return *this; + } + inline bool operator== (u32int other) { + return value == other; + } + inline u32int operator= (u32int v) { + value = v; + return v; + } + + inline operator u32int () { return value; } +}; + +#endif |