From: DeaDDooMER Date: Mon, 13 Apr 2020 08:21:25 +0000 (+0400) Subject: libs: add cp866 support routines X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=1958dd7b157ada64ba81c31fb89c26ee2e95dde4;p=flatwaifu.git libs: add cp866 support routines --- diff --git a/src/libs/cp866/cp866.c b/src/libs/cp866/cp866.c new file mode 100644 index 0000000..90d1bbd --- /dev/null +++ b/src/libs/cp866/cp866.c @@ -0,0 +1,313 @@ +#include "cp866.h" + +int cp866_isalpha (char c) { + unsigned char ch = c; + return (ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A) || (ch >= 0x80 && ch <= 0xAF) || (ch >= 0xE0 && ch <= 0xF7); +} + +int cp866_isupper (char c) { + unsigned char ch = c; + return (ch >= 0x41 && ch <= 0x5A) || (ch >= 0x80 && ch <= 0x9F) || ch == 0xF0 || ch == 0xF2 || ch == 0xF4 || ch == 0xF6; +} + +int cp866_islower (char c) { + unsigned char ch = c; + return (ch >= 0x61 && ch <= 0x7A) || (ch >= 0xA0 && ch <= 0xAF) || (ch >= 0xE0 && ch <= 0xEF) || ch == 0xF1 || ch == 0xF3 || ch == 0xF5 || ch == 0xF7; +} + +char cp866_toupper (char c) { + unsigned char ch = c; + if (ch >= 0x61 && ch <= 0x7A) { + return ch - 0x61 + 0x41; + } else if (ch >= 0xA0 && ch <= 0xAF) { + return ch - 0xA0 + 0x80; + } else if (ch >= 0xE0 && ch <= 0xEF) { + return ch - 0xE0 + 0x90; + } else { + switch (ch) { + case 0xF1: + case 0xF3: + case 0xF5: + case 0xF7: + return ch - 1; + default: + return ch; + } + } +} + +char cp866_tolower (char c) { + unsigned char ch = c; + if (ch >= 0x41 && ch <= 0x5A) { + return ch - 0x41 + 0x61; + } else if (ch >= 0x80 && ch <= 0x8F) { + return ch - 0x80 + 0xA0; + } else if (ch >= 0x90 && ch <= 0x9F) { + return ch - 0x90 + 0xE0; + } else { + switch (ch) { + case 0xF0: + case 0xF2: + case 0xF4: + case 0xF6: + return ch + 1; + default: + return ch; + } + } +} + +int cp866_strcasecmp (const char *a, const char *b) { + const char *aa = a; + const char *bb = b; + while (*aa != 0 && cp866_tolower(*aa) == cp866_tolower(*bb)) { + aa++; + bb++; + } + return *(const unsigned char *)aa - *(const unsigned char *)bb; +} + +int cp866_strncasecmp (const char *a, const char *b, unsigned int n) { + const char *aa = a; + const char *bb = b; + unsigned int i = n; + while (i > 0 && *aa != 0 && cp866_tolower(*aa) == cp866_tolower(*bb)) { + i--; + aa++; + bb++; + } + return i == 0 ? 0 : *(const unsigned char *)aa - *(const unsigned char *)bb; +} + +int cp866_ctou (char c) { + unsigned char ch = c; + switch (ch) { + case 0xB0: return 0x2591; + case 0xB1: return 0x2592; + case 0xB2: return 0x2593; + case 0xB3: return 0x2502; + case 0xB4: return 0x2524; + case 0xB5: return 0x2561; + case 0xB6: return 0x2562; + case 0xB7: return 0x2556; + case 0xB8: return 0x2555; + case 0xB9: return 0x2563; + case 0xBA: return 0x2551; + case 0xBB: return 0x2557; + case 0xBC: return 0x255D; + case 0xBD: return 0x255C; + case 0xBE: return 0x255B; + case 0xBF: return 0x2510; + case 0xC0: return 0x2514; + case 0xC1: return 0x2534; + case 0xC2: return 0x252C; + case 0xC3: return 0x251C; + case 0xC4: return 0x2500; + case 0xC5: return 0x253C; + case 0xC6: return 0x255E; + case 0xC7: return 0x255F; + case 0xC8: return 0x255A; + case 0xC9: return 0x2554; + case 0xCA: return 0x2569; + case 0xCB: return 0x2566; + case 0xCC: return 0x2560; + case 0xCD: return 0x2550; + case 0xCE: return 0x256C; + case 0xCF: return 0x2567; + case 0xD0: return 0x2568; + case 0xD1: return 0x2564; + case 0xD2: return 0x2565; + case 0xD3: return 0x2559; + case 0xD4: return 0x2558; + case 0xD5: return 0x2552; + case 0xD6: return 0x2553; + case 0xD7: return 0x256B; + case 0xD8: return 0x256A; + case 0xD9: return 0x2518; + case 0xDA: return 0x250C; + case 0xDB: return 0x2588; + case 0xDC: return 0x2584; + case 0xDD: return 0x258C; + case 0xDE: return 0x2590; + case 0xDF: return 0x2580; + case 0xF0: return 0x0401; + case 0xF1: return 0x0451; + case 0xF2: return 0x0404; + case 0xF3: return 0x0454; + case 0xF4: return 0x0407; + case 0xF5: return 0x0457; + case 0xF6: return 0x040E; + case 0xF7: return 0x045E; + case 0xF8: return 0x00B0; + case 0xF9: return 0x2219; + case 0xFA: return 0x00B7; + case 0xFB: return 0x221A; + case 0xFC: return 0x2116; + case 0xFD: return 0x00A4; + case 0xFE: return 0x25A0; + case 0xFF: return 0x00A0; + default: + if (ch >= 0x20 && ch <= 0x7E) { + return ch; + } else if (ch >= 0x80 && ch <= 0xAF) { + return ch - 0x80 + 0x410; + } else if (ch >= 0xE0 && ch <= 0xEF) { + return ch - 0xE0 + 0x440; + } else { + return ch; + } + } +} + +int cp866_ctoug (char c) { + unsigned char ch = c; + switch (ch) { + case 0x00: return 0x0000; + case 0x01: return 0x263A; + case 0x02: return 0x263B; + case 0x03: return 0x2665; + case 0x04: return 0x2666; + case 0x05: return 0x2663; + case 0x06: return 0x2660; + case 0x07: return 0x2022; + case 0x08: return 0x25D8; + case 0x09: return 0x25CB; + case 0x0A: return 0x25D9; + case 0x0B: return 0x2642; + case 0x0C: return 0x2640; + case 0x0D: return 0x266A; + case 0x0E: return 0x266B; + case 0x0F: return 0x263C; + case 0x10: return 0x25BA; + case 0x11: return 0x25C4; + case 0x12: return 0x2195; + case 0x13: return 0x203C; + case 0x14: return 0x00B6; + case 0x15: return 0x00A7; + case 0x16: return 0x25AC; + case 0x17: return 0x21A8; + case 0x18: return 0x2191; + case 0x19: return 0x2193; + case 0x1A: return 0x2192; + case 0x1B: return 0x2190; + case 0x1C: return 0x221F; + case 0x1D: return 0x2194; + case 0x1E: return 0x25B2; + case 0x1F: return 0x25BC; + case 0x7F: return 0x2302; + default: return cp866_ctou(ch); + } +} + +int cp866_utoc (int ch) { + if (ch >= 0x00 && ch <= 0x7F) { + return ch; + } else { + switch (ch) { + case 0x263A: return 0x01; + case 0x263B: return 0x02; + case 0x2665: return 0x03; + case 0x2666: return 0x04; + case 0x2663: return 0x05; + case 0x2660: return 0x06; + case 0x2022: return 0x07; + case 0x25D8: return 0x08; + case 0x25CB: return 0x09; + case 0x25D9: return 0x0A; + case 0x2642: return 0x0B; + case 0x2640: return 0x0C; + case 0x266A: return 0x0D; + case 0x266B: return 0x0E; + case 0x263C: return 0x0F; + case 0x25BA: return 0x10; + case 0x25C4: return 0x11; + case 0x2195: return 0x12; + case 0x203C: return 0x13; + case 0x00B6: return 0x14; + case 0x00A7: return 0x15; + case 0x25AC: return 0x16; + case 0x21A8: return 0x17; + case 0x2191: return 0x18; + case 0x2193: return 0x19; + case 0x2192: return 0x1A; + case 0x2190: return 0x1B; + case 0x221F: return 0x1C; + case 0x2194: return 0x1D; + case 0x25B2: return 0x1E; + case 0x25BC: return 0x1F; + case 0x2302: return 0x7F; + case 0x2591: return 0xB0; + case 0x2592: return 0xB1; + case 0x2593: return 0xB2; + case 0x2502: return 0xB3; + case 0x2524: return 0xB4; + case 0x2561: return 0xB5; + case 0x2562: return 0xB6; + case 0x2556: return 0xB7; + case 0x2555: return 0xB8; + case 0x2563: return 0xB9; + case 0x2551: return 0xBA; + case 0x2557: return 0xBB; + case 0x255D: return 0xBC; + case 0x255C: return 0xBD; + case 0x255B: return 0xBE; + case 0x2510: return 0xBF; + case 0x2514: return 0xC0; + case 0x2534: return 0xC1; + case 0x252C: return 0xC2; + case 0x251C: return 0xC3; + case 0x2500: return 0xC4; + case 0x253C: return 0xC5; + case 0x255E: return 0xC6; + case 0x255F: return 0xC7; + case 0x255A: return 0xC8; + case 0x2554: return 0xC9; + case 0x2569: return 0xCA; + case 0x2566: return 0xCB; + case 0x2560: return 0xCC; + case 0x2550: return 0xCD; + case 0x256C: return 0xCE; + case 0x2567: return 0xCF; + case 0x2568: return 0xD0; + case 0x2564: return 0xD1; + case 0x2565: return 0xD2; + case 0x2559: return 0xD3; + case 0x2558: return 0xD4; + case 0x2552: return 0xD5; + case 0x2553: return 0xD6; + case 0x256B: return 0xD7; + case 0x256A: return 0xD8; + case 0x2518: return 0xD9; + case 0x250C: return 0xDA; + case 0x2588: return 0xDB; + case 0x2584: return 0xDC; + case 0x258C: return 0xDD; + case 0x2590: return 0xDE; + case 0x2580: return 0xDF; + case 0x0401: return 0xF0; + case 0x0451: return 0xF1; + case 0x0404: return 0xF2; + case 0x0454: return 0xF3; + case 0x0407: return 0xF4; + case 0x0457: return 0xF5; + case 0x040E: return 0xF6; + case 0x045E: return 0xF7; + case 0x00B0: return 0xF8; + case 0x2219: return 0xF9; + case 0x00B7: return 0xFA; + case 0x221A: return 0xFB; + case 0x2116: return 0xFC; + case 0x00A4: return 0xFD; + case 0x25A0: return 0xFE; + case 0x00A0: return 0xFF; + default: + if (ch >= 0x410 && ch <= 0x43F) { + return ch - 0x410 + 0x80; + } else if (ch >= 0x440 && ch <= 0x44F) { + return ch - 0x440 + 0xE0; + } else { + return -1; + } + } + } +} diff --git a/src/libs/cp866/cp866.h b/src/libs/cp866/cp866.h new file mode 100644 index 0000000..57c3ee7 --- /dev/null +++ b/src/libs/cp866/cp866.h @@ -0,0 +1,16 @@ +#ifndef CP866_H_INCLUDED +#define CP866_H_INCLUDED + +int cp866_isalpha (char ch); +int cp866_isupper (char ch); +int cp866_islower (char ch); +char cp866_toupper (char ch); +char cp866_tolower (char ch); +int cp866_strcasecmp (const char *a, const char *b); +int cp866_strncasecmp (const char *a, const char *b, unsigned int n); + +int cp866_ctou (char ch); +int cp866_ctoug (char ch); +int cp866_utoc (int ch); + +#endif /* CP866_H_INCLUDED */