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00001 /*------------------------------------------------------------------------- 00002 * 00003 * UTF8 and Cyrillic 00004 * 00005 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00006 * Portions Copyright (c) 1994, Regents of the University of California 00007 * 00008 * IDENTIFICATION 00009 * src/backend/utils/mb/conversion_procs/utf8_and_cyrillic/utf8_and_cyrillic.c 00010 * 00011 *------------------------------------------------------------------------- 00012 */ 00013 00014 #include "postgres.h" 00015 #include "fmgr.h" 00016 #include "mb/pg_wchar.h" 00017 #include "../../Unicode/utf8_to_koi8r.map" 00018 #include "../../Unicode/koi8r_to_utf8.map" 00019 #include "../../Unicode/utf8_to_koi8u.map" 00020 #include "../../Unicode/koi8u_to_utf8.map" 00021 00022 PG_MODULE_MAGIC; 00023 00024 PG_FUNCTION_INFO_V1(utf8_to_koi8r); 00025 PG_FUNCTION_INFO_V1(koi8r_to_utf8); 00026 00027 PG_FUNCTION_INFO_V1(utf8_to_koi8u); 00028 PG_FUNCTION_INFO_V1(koi8u_to_utf8); 00029 00030 extern Datum utf8_to_koi8r(PG_FUNCTION_ARGS); 00031 extern Datum koi8r_to_utf8(PG_FUNCTION_ARGS); 00032 00033 extern Datum utf8_to_koi8u(PG_FUNCTION_ARGS); 00034 extern Datum koi8u_to_utf8(PG_FUNCTION_ARGS); 00035 00036 /* ---------- 00037 * conv_proc( 00038 * INTEGER, -- source encoding id 00039 * INTEGER, -- destination encoding id 00040 * CSTRING, -- source string (null terminated C string) 00041 * CSTRING, -- destination string (null terminated C string) 00042 * INTEGER -- source string length 00043 * ) returns VOID; 00044 * ---------- 00045 */ 00046 00047 Datum 00048 utf8_to_koi8r(PG_FUNCTION_ARGS) 00049 { 00050 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); 00051 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); 00052 int len = PG_GETARG_INT32(4); 00053 00054 CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, PG_KOI8R); 00055 00056 UtfToLocal(src, dest, ULmapKOI8R, NULL, 00057 sizeof(ULmapKOI8R) / sizeof(pg_utf_to_local), 0, PG_KOI8R, len); 00058 00059 PG_RETURN_VOID(); 00060 } 00061 00062 Datum 00063 koi8r_to_utf8(PG_FUNCTION_ARGS) 00064 { 00065 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); 00066 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); 00067 int len = PG_GETARG_INT32(4); 00068 00069 CHECK_ENCODING_CONVERSION_ARGS(PG_KOI8R, PG_UTF8); 00070 00071 LocalToUtf(src, dest, LUmapKOI8R, NULL, 00072 sizeof(LUmapKOI8R) / sizeof(pg_local_to_utf), 0, PG_KOI8R, len); 00073 00074 PG_RETURN_VOID(); 00075 } 00076 00077 Datum 00078 utf8_to_koi8u(PG_FUNCTION_ARGS) 00079 { 00080 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); 00081 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); 00082 int len = PG_GETARG_INT32(4); 00083 00084 CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, PG_KOI8U); 00085 00086 UtfToLocal(src, dest, ULmapKOI8U, NULL, 00087 sizeof(ULmapKOI8U) / sizeof(pg_utf_to_local), 0, PG_KOI8U, len); 00088 00089 PG_RETURN_VOID(); 00090 } 00091 00092 Datum 00093 koi8u_to_utf8(PG_FUNCTION_ARGS) 00094 { 00095 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); 00096 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); 00097 int len = PG_GETARG_INT32(4); 00098 00099 CHECK_ENCODING_CONVERSION_ARGS(PG_KOI8U, PG_UTF8); 00100 00101 LocalToUtf(src, dest, LUmapKOI8U, NULL, 00102 sizeof(LUmapKOI8U) / sizeof(pg_local_to_utf), 0, PG_KOI8U, len); 00103 00104 PG_RETURN_VOID(); 00105 }
1.7.1