diff options
Diffstat (limited to 'src/backend/utils/mb/encnames.c')
| -rw-r--r-- | src/backend/utils/mb/encnames.c | 512 |
1 files changed, 0 insertions, 512 deletions
diff --git a/src/backend/utils/mb/encnames.c b/src/backend/utils/mb/encnames.c deleted file mode 100644 index a5ff3e357f3..00000000000 --- a/src/backend/utils/mb/encnames.c +++ /dev/null @@ -1,512 +0,0 @@ -/* - * Encoding names and routines for work with it. All - * in this file is shared bedween FE and BE. - * - * $Id: encnames.c,v 1.8 2002/06/13 08:28:54 ishii Exp $ - */ -#ifdef FRONTEND -#include "postgres_fe.h" -#define Assert(condition) -#else -#include "postgres.h" -#include "miscadmin.h" -#include "utils/builtins.h" -#endif - -#ifdef WIN32 -#include "win32.h" -#else -#include <unistd.h> -#endif - -#include "mb/pg_wchar.h" -#include <ctype.h> - -/* ---------- - * All encoding names, sorted: *** A L P H A B E T I C *** - * - * All names must be without irrelevan chars, search routines use - * isalnum() chars only. It means ISO-8859-1, iso_8859-1 and Iso8859_1 - * are always converted to 'iso88591'. All must be lower case. - * - * The table doesn't contain 'cs' aliases (like csISOLatin1). It's needful? - * - * Karel Zak, Aug 2001 - * ---------- - */ -pg_encname pg_encname_tbl[] = -{ - { - "abc", PG_TCVN - }, /* alias for TCVN */ - { - "alt", PG_ALT - }, /* IBM866 */ - { - "big5", PG_BIG5 - }, /* Big5; Chinese for Taiwan Multi-byte set */ - { - "euccn", PG_EUC_CN - }, /* EUC-CN; Extended Unix Code for - * simplified Chinese */ - { - "eucjp", PG_EUC_JP - }, /* EUC-JP; Extended UNIX Code fixed Width - * for Japanese, stdandard OSF */ - { - "euckr", PG_EUC_KR - }, /* EUC-KR; Extended Unix Code for - * Korean , KS X 1001 standard */ - { - "euctw", PG_EUC_TW - }, /* EUC-TW; Extended Unix Code for - - * traditional Chinese */ - { - "gb18030", PG_GB18030 - }, /* GB18030;GB18030 */ - { - "gbk", PG_GBK - }, /* GBK; Chinese Windows CodePage 936 - * simplified Chinese */ - { - "iso88591", PG_LATIN1 - }, /* ISO-8859-1; RFC1345,KXS2 */ - { - "iso885910", PG_LATIN6 - }, /* ISO-8859-10; RFC1345,KXS2 */ - { - "iso885913", PG_LATIN7 - }, /* ISO-8859-13; RFC1345,KXS2 */ - { - "iso885914", PG_LATIN8 - }, /* ISO-8859-14; RFC1345,KXS2 */ - { - "iso885915", PG_LATIN9 - }, /* ISO-8859-15; RFC1345,KXS2 */ - { - "iso885916", PG_LATIN10 - }, /* ISO-8859-16; RFC1345,KXS2 */ - { - "iso88592", PG_LATIN2 - }, /* ISO-8859-2; RFC1345,KXS2 */ - { - "iso88593", PG_LATIN3 - }, /* ISO-8859-3; RFC1345,KXS2 */ - { - "iso88594", PG_LATIN4 - }, /* ISO-8859-4; RFC1345,KXS2 */ - { - "iso88595", PG_ISO_8859_5 - }, /* ISO-8859-5; RFC1345,KXS2 */ - { - "iso88596", PG_ISO_8859_6 - }, /* ISO-8859-6; RFC1345,KXS2 */ - { - "iso88597", PG_ISO_8859_7 - }, /* ISO-8859-7; RFC1345,KXS2 */ - { - "iso88598", PG_ISO_8859_8 - }, /* ISO-8859-8; RFC1345,KXS2 */ - { - "iso88599", PG_LATIN5 - }, /* ISO-8859-9; RFC1345,KXS2 */ - { - "johab", PG_JOHAB - }, /* JOHAB; Extended Unix Code for - * simplified Chinese */ - { - "koi8", PG_KOI8R - }, /* _dirty_ alias for KOI8-R (backward - * compatibility) */ - { - "koi8r", PG_KOI8R - }, /* KOI8-R; RFC1489 */ - { - "latin1", PG_LATIN1 - }, /* alias for ISO-8859-1 */ - { - "latin10", PG_LATIN10 - }, /* alias for ISO-8859-16 */ - { - "latin2", PG_LATIN2 - }, /* alias for ISO-8859-2 */ - { - "latin3", PG_LATIN3 - }, /* alias for ISO-8859-3 */ - { - "latin4", PG_LATIN4 - }, /* alias for ISO-8859-4 */ - { - "latin5", PG_LATIN5 - }, /* alias for ISO-8859-9 */ - { - "latin6", PG_LATIN6 - }, /* alias for ISO-8859-10 */ - { - "latin7", PG_LATIN7 - }, /* alias for ISO-8859-13 */ - { - "latin8", PG_LATIN8 - }, /* alias for ISO-8859-14 */ - { - "latin9", PG_LATIN9 - }, /* alias for ISO-8859-15 */ - { - "mskanji", PG_SJIS - }, /* alias for Shift_JIS */ - { - "muleinternal", PG_MULE_INTERNAL - }, - { - "shiftjis", PG_SJIS - }, /* Shift_JIS; JIS X 0202-1991 */ - { - "sjis", PG_SJIS - }, /* alias for Shift_JIS */ - { - "sqlascii", PG_SQL_ASCII - }, - { - "tcvn", PG_TCVN - }, /* TCVN; Vietnamese TCVN-5712 */ - { - "tcvn5712",PG_TCVN - }, /* alias for TCVN */ - { - "uhc", PG_UHC - }, /* UHC; Korean Windows CodePage 949 */ - { - "unicode", PG_UTF8 - }, /* alias for UTF-8 */ - { - "utf8", PG_UTF8 - }, /* UTF-8; RFC2279 */ - { - "vscii", PG_TCVN - }, /* alias for TCVN */ - { - "win", PG_WIN1251 - }, /* _dirty_ alias for windows-1251 - * (backward compatibility) */ - { - "win1250", PG_WIN1250 - }, /* alias for Windows-1250 */ - { - "win1251", PG_WIN1251 - }, /* alias for Windows-1251 */ - { - "win1256", PG_WIN1256 - }, /* alias for Windows-1256 */ - { - "win1258", PG_TCVN - }, /* alias for Windows-1258 */ - { - "win874", PG_WIN874 - }, /* alias for Windows-874 */ - { - "win932", PG_SJIS - }, /* alias for Shift_JIS */ - { - "win936", PG_GBK - }, /* alias for GBK */ - { - "win949", PG_UHC - }, /* alias for UHC */ - { - "win950", PG_BIG5 - }, /* alias for BIG5 */ - { - "windows1250", PG_WIN1250 - }, /* Windows-1251; Microsoft */ - { - "windows1251", PG_WIN1251 - }, /* Windows-1251; Microsoft */ - { - "windows1256", PG_WIN1256 - }, /* Windows-1256; Microsoft */ - { - "windows1258", PG_TCVN - }, /* Windows-1258; Microsoft */ - { - "windows874", PG_WIN874 - }, /* Windows-874; Microsoft */ - { - "windows932", PG_SJIS - }, /* alias for Shift_JIS */ - { - "windows936", PG_GBK - }, /* alias for GBK */ - { - "windows949", PG_UHC - }, /* alias for UHC */ - { - "windows950", PG_BIG5 - }, /* alias for BIG5 */ - { - NULL, 0 - } /* last */ -}; - -unsigned int pg_encname_tbl_sz = \ -sizeof(pg_encname_tbl) / sizeof(pg_encname_tbl[0]) - 1; - -/* ---------- - * These are "official" encoding names. - * XXX must be sorted by the same order as pg_enc type (see mb/pg_wchar.h) - * ---------- - */ -pg_enc2name pg_enc2name_tbl[] = -{ - { - "SQL_ASCII", PG_SQL_ASCII - }, - { - "EUC_JP", PG_EUC_JP - }, - { - "EUC_CN", PG_EUC_CN - }, - { - "EUC_KR", PG_EUC_KR - }, - { - "EUC_TW", PG_EUC_TW - }, - { - "JOHAB", PG_JOHAB - }, - { - "UNICODE", PG_UTF8 - }, - { - "MULE_INTERNAL", PG_MULE_INTERNAL - }, - { - "LATIN1", PG_LATIN1 - }, - { - "LATIN2", PG_LATIN2 - }, - { - "LATIN3", PG_LATIN3 - }, - { - "LATIN4", PG_LATIN4 - }, - { - "LATIN5", PG_LATIN5 - }, - { - "LATIN6", PG_LATIN6 - }, - { - "LATIN7", PG_LATIN7 - }, - { - "LATIN8", PG_LATIN8 - }, - { - "LATIN9", PG_LATIN9 - }, - { - "LATIN10", PG_LATIN10 - }, - { - "WIN1256", PG_WIN1256 - }, - { - "TCVN", PG_TCVN - }, - { - "WIN874", PG_WIN874 - }, - { - "KOI8", PG_KOI8R - }, - { - "WIN", PG_WIN1251 - }, - { - "ALT", PG_ALT - }, - { - "ISO_8859_5", PG_ISO_8859_5 - }, - { - "ISO_8859_6", PG_ISO_8859_6 - }, - { - "ISO_8859_7", PG_ISO_8859_7 - }, - { - "ISO_8859_8", PG_ISO_8859_8 - }, - { - "SJIS", PG_SJIS - }, - { - "BIG5", PG_BIG5 - }, - { - "GBK", PG_GBK - }, - { - "UHC", PG_UHC - }, - { - "WIN1250", PG_WIN1250 - }, - { - "GB18030", PG_GB18030 - } -}; - -/* ---------- - * Encoding checks, for error returns -1 else encoding id - * ---------- - */ -int -pg_valid_client_encoding(const char *name) -{ - int enc; - - if ((enc = pg_char_to_encoding(name)) < 0) - return -1; - - if (!PG_VALID_FE_ENCODING(enc)) - return -1; - - return enc; -} - -int -pg_valid_server_encoding(const char *name) -{ - int enc; - - if ((enc = pg_char_to_encoding(name)) < 0) - return -1; - - if (!PG_VALID_BE_ENCODING(enc)) - return -1; - - return enc; -} - -/* ---------- - * Remove irrelevant chars from encoding name - * ---------- - */ -static char * -clean_encoding_name(char *key, char *newkey) -{ - char *p, - *np; - - for (p = key, np = newkey; *p != '\0'; p++) - { - if (isalnum((unsigned char) *p)) - *np++ = tolower((unsigned char) *p); - } - *np = '\0'; - return newkey; -} - -/* ---------- - * Search encoding by encoding name - * ---------- - */ -pg_encname * -pg_char_to_encname_struct(const char *name) -{ - unsigned int nel = pg_encname_tbl_sz; - pg_encname *base = pg_encname_tbl, - *last = base + nel - 1, - *position; - int result; - char buff[NAMEDATALEN], - *key; - - if (name == NULL || *name == '\0') - return NULL; - - if (strlen(name) > NAMEDATALEN) - { -#ifdef FRONTEND - fprintf(stderr, "pg_char_to_encname_struct(): encoding name too long"); - return NULL; -#else - elog(ERROR, "pg_char_to_encname_struct(): encoding name too long"); -#endif - } - key = clean_encoding_name((char *) name, buff); - - while (last >= base) - { - position = base + ((last - base) >> 1); - result = key[0] - position->name[0]; - - if (result == 0) - { - result = strcmp(key, position->name); - if (result == 0) - return position; - } - if (result < 0) - last = position - 1; - else - base = position + 1; - } - return NULL; -} - -/* - * Returns encoding or -1 for error - */ -int -pg_char_to_encoding(const char *s) -{ - pg_encname *p = NULL; - - if (!s) - return (-1); - - p = pg_char_to_encname_struct(s); - return p ? p->encoding : -1; -} - -#ifndef FRONTEND -Datum -PG_char_to_encoding(PG_FUNCTION_ARGS) -{ - Name s = PG_GETARG_NAME(0); - - PG_RETURN_INT32(pg_char_to_encoding(NameStr(*s))); -} -#endif - -const char * -pg_encoding_to_char(int encoding) -{ - if (PG_VALID_ENCODING(encoding)) - { - pg_enc2name *p = &pg_enc2name_tbl[encoding]; - - Assert(encoding == p->encoding); - return p->name; - } - return ""; -} - -#ifndef FRONTEND -Datum -PG_encoding_to_char(PG_FUNCTION_ARGS) -{ - int32 encoding = PG_GETARG_INT32(0); - const char *encoding_name = pg_encoding_to_char(encoding); - - return DirectFunctionCall1(namein, CStringGetDatum(encoding_name)); -} - -#endif |