17 #include "../../Unicode/gb18030_to_utf8.map"
18 #include "../../Unicode/utf8_to_gb18030.map"
34 uint32 b0 = (gb & 0xff000000) >> 24;
35 uint32 b1 = (gb & 0x00ff0000) >> 16;
36 uint32 b2 = (gb & 0x0000ff00) >> 8;
37 uint32 b3 = (gb & 0x000000ff);
39 return b0 * 12600 + b1 * 1260 + b2 * 10 + b3 -
40 (0x81 * 12600 + 0x30 * 1260 + 0x81 * 10 + 0x30);
46 uint32 r0 = 0x81 + lin / 12600;
47 uint32 r1 = 0x30 + (lin / 1260) % 10;
48 uint32 r2 = 0x81 + (lin / 10) % 126;
49 uint32 r3 = 0x30 + lin % 10;
51 return (r0 << 24) | (r1 << 16) | (r2 << 8) | r3;
70 word = (0xC0 | ((
c >> 6) & 0x1F)) << 8;
71 word |= 0x80 | (
c & 0x3F);
75 word = (0xE0 | ((
c >> 12) & 0x0F)) << 16;
76 word |= (0x80 | ((
c >> 6) & 0x3F)) << 8;
77 word |= 0x80 | (
c & 0x3F);
81 word = (0xF0 | ((
c >> 18) & 0x07)) << 24;
82 word |= (0x80 | ((
c >> 12) & 0x3F)) << 16;
83 word |= (0x80 | ((
c >> 6) & 0x3F)) << 8;
84 word |= 0x80 | (
c & 0x3F);
101 ucs = ((
c >> 8) & 0x1F) << 6;
104 else if (
c <= 0xFFFFFF)
106 ucs = ((
c >> 16) & 0x0F) << 12;
107 ucs |= ((
c >> 8) & 0x3F) << 6;
112 ucs = ((
c >> 24) & 0x07) << 18;
113 ucs |= ((
c >> 16) & 0x3F) << 12;
114 ucs |= ((
c >> 8) & 0x3F) << 6;
130 #define conv18030(minunicode, mincode, maxcode) \
131 if (code >= mincode && code <= maxcode) \
132 return unicode_to_utf8word(gb_linear(code) - gb_linear(mincode) + minunicode)
134 conv18030(0x0452, 0x8130D330, 0x8136A531);
135 conv18030(0x2643, 0x8137A839, 0x8138FD38);
136 conv18030(0x361B, 0x8230A633, 0x8230F237);
137 conv18030(0x3CE1, 0x8231D438, 0x8232AF32);
138 conv18030(0x4160, 0x8232C937, 0x8232F837);
139 conv18030(0x44D7, 0x8233A339, 0x8233C931);
140 conv18030(0x478E, 0x8233E838, 0x82349638);
141 conv18030(0x49B8, 0x8234A131, 0x8234E733);
142 conv18030(0x9FA6, 0x82358F33, 0x8336C738);
143 conv18030(0xE865, 0x8336D030, 0x84308534);
144 conv18030(0xFA2A, 0x84309C38, 0x84318537);
145 conv18030(0xFFE6, 0x8431A234, 0x8431A439);
146 conv18030(0x10000, 0x90308130, 0xE3329A35);
159 #define convutf8(minunicode, maxunicode, mincode) \
160 if (ucs >= minunicode && ucs <= maxunicode) \
161 return gb_unlinear(ucs - minunicode + gb_linear(mincode))
163 convutf8(0x0452, 0x200F, 0x8130D330);
164 convutf8(0x2643, 0x2E80, 0x8137A839);
165 convutf8(0x361B, 0x3917, 0x8230A633);
166 convutf8(0x3CE1, 0x4055, 0x8231D438);
167 convutf8(0x4160, 0x4336, 0x8232C937);
168 convutf8(0x44D7, 0x464B, 0x8233A339);
169 convutf8(0x478E, 0x4946, 0x8233E838);
170 convutf8(0x49B8, 0x4C76, 0x8234A131);
171 convutf8(0x9FA6, 0xD7FF, 0x82358F33);
172 convutf8(0xE865, 0xF92B, 0x8336D030);
173 convutf8(0xFA2A, 0xFE2F, 0x84309C38);
174 convutf8(0xFFE6, 0xFFFF, 0x8431A234);
175 convutf8(0x10000, 0x10FFFF, 0x90308130);
205 &gb18030_to_unicode_tree,
226 &gb18030_from_unicode_tree,
int UtfToLocal(const unsigned char *utf, int len, unsigned char *iso, const pg_mb_radix_tree *map, const pg_utf_to_local_combined *cmap, int cmapsize, utf_local_conversion_func conv_func, int encoding, bool noError)
int LocalToUtf(const unsigned char *iso, int len, unsigned char *utf, const pg_mb_radix_tree *map, const pg_local_to_utf_combined *cmap, int cmapsize, utf_local_conversion_func conv_func, int encoding, bool noError)
#define PG_GETARG_CSTRING(n)
#define PG_RETURN_INT32(x)
#define PG_GETARG_INT32(n)
#define PG_GETARG_BOOL(n)
#define CHECK_ENCODING_CONVERSION_ARGS(srcencoding, destencoding)
static void word(struct vars *v, int dir, struct state *lp, struct state *rp)
static uint32 gb_unlinear(uint32 lin)
static uint32 utf8word_to_unicode(uint32 c)
static uint32 conv_18030_to_utf8(uint32 code)
static uint32 unicode_to_utf8word(uint32 c)
Datum gb18030_to_utf8(PG_FUNCTION_ARGS)
PG_FUNCTION_INFO_V1(gb18030_to_utf8)
static uint32 conv_utf8_to_18030(uint32 code)
Datum utf8_to_gb18030(PG_FUNCTION_ARGS)
#define conv18030(minunicode, mincode, maxcode)
#define convutf8(minunicode, maxunicode, mincode)
static uint32 gb_linear(uint32 gb)