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00001 /*------------------------------------------------------------------------- 00002 * 00003 * EUC_JIS_2004 <--> UTF8 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_euc2004/utf8_and_euc2004.c 00010 * 00011 *------------------------------------------------------------------------- 00012 */ 00013 00014 #include "postgres.h" 00015 #include "fmgr.h" 00016 #include "mb/pg_wchar.h" 00017 #include "../../Unicode/euc_jis_2004_to_utf8.map" 00018 #include "../../Unicode/utf8_to_euc_jis_2004.map" 00019 #include "../../Unicode/euc_jis_2004_to_utf8_combined.map" 00020 #include "../../Unicode/utf8_to_euc_jis_2004_combined.map" 00021 00022 PG_MODULE_MAGIC; 00023 00024 PG_FUNCTION_INFO_V1(euc_jis_2004_to_utf8); 00025 PG_FUNCTION_INFO_V1(utf8_to_euc_jis_2004); 00026 00027 extern Datum euc_jis_2004_to_utf8(PG_FUNCTION_ARGS); 00028 extern Datum utf8_to_euc_jis_2004(PG_FUNCTION_ARGS); 00029 00030 /* ---------- 00031 * conv_proc( 00032 * INTEGER, -- source encoding id 00033 * INTEGER, -- destination encoding id 00034 * CSTRING, -- source string (null terminated C string) 00035 * CSTRING, -- destination string (null terminated C string) 00036 * INTEGER -- source string length 00037 * ) returns VOID; 00038 * ---------- 00039 */ 00040 Datum 00041 euc_jis_2004_to_utf8(PG_FUNCTION_ARGS) 00042 { 00043 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); 00044 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); 00045 int len = PG_GETARG_INT32(4); 00046 00047 CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_JIS_2004, PG_UTF8); 00048 00049 LocalToUtf(src, dest, LUmapEUC_JIS_2004, LUmapEUC_JIS_2004_combined, 00050 sizeof(LUmapEUC_JIS_2004) / sizeof(pg_local_to_utf), 00051 sizeof(LUmapEUC_JIS_2004_combined) / sizeof(pg_local_to_utf_combined), 00052 PG_EUC_JIS_2004, len); 00053 00054 PG_RETURN_VOID(); 00055 } 00056 00057 Datum 00058 utf8_to_euc_jis_2004(PG_FUNCTION_ARGS) 00059 { 00060 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); 00061 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); 00062 int len = PG_GETARG_INT32(4); 00063 00064 CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, PG_EUC_JIS_2004); 00065 00066 UtfToLocal(src, dest, ULmapEUC_JIS_2004, ULmapEUC_JIS_2004_combined, 00067 sizeof(ULmapEUC_JIS_2004) / sizeof(pg_utf_to_local), 00068 sizeof(ULmapEUC_JIS_2004_combined) / sizeof(pg_utf_to_local_combined), 00069 PG_EUC_JIS_2004, len); 00070 00071 PG_RETURN_VOID(); 00072 }
1.7.1