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mariadb/storage/mroonga/lib/mrn_encoding.cpp

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/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2013 Kouhei Sutou <kou@clear-code.com>
Copyright(C) 2011-2013 Kentoku SHIBA
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <mrn_err.h>
#include "mrn_encoding.hpp"
namespace mrn {
namespace encoding {
CHARSET_INFO *mrn_charset_utf8 = NULL;
CHARSET_INFO *mrn_charset_utf8mb4 = NULL;
CHARSET_INFO *mrn_charset_binary = NULL;
CHARSET_INFO *mrn_charset_ascii = NULL;
CHARSET_INFO *mrn_charset_latin1_1 = NULL;
CHARSET_INFO *mrn_charset_latin1_2 = NULL;
CHARSET_INFO *mrn_charset_cp932 = NULL;
CHARSET_INFO *mrn_charset_sjis = NULL;
CHARSET_INFO *mrn_charset_eucjpms = NULL;
CHARSET_INFO *mrn_charset_ujis = NULL;
CHARSET_INFO *mrn_charset_koi8r = NULL;
void init(void) {
CHARSET_INFO **cs;
MRN_DBUG_ENTER_FUNCTION();
for (cs = all_charsets; cs < all_charsets + MY_ALL_CHARSETS_SIZE; cs++)
{
if (!cs[0])
continue;
if (!strcmp(cs[0]->csname, "utf8"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_utf8)
mrn_charset_utf8 = cs[0];
else if (mrn_charset_utf8->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "utf8mb4"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_utf8mb4)
mrn_charset_utf8mb4 = cs[0];
else if (mrn_charset_utf8mb4->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "binary"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_binary)
mrn_charset_binary = cs[0];
else if (mrn_charset_binary->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "ascii"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_ascii)
mrn_charset_ascii = cs[0];
else if (mrn_charset_ascii->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "latin1"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_latin1_1)
mrn_charset_latin1_1 = cs[0];
else if (mrn_charset_latin1_1->cset != cs[0]->cset)
{
if (!mrn_charset_latin1_2)
mrn_charset_latin1_2 = cs[0];
else if (mrn_charset_latin1_2->cset != cs[0]->cset)
DBUG_ASSERT(0);
}
continue;
}
if (!strcmp(cs[0]->csname, "cp932"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_cp932)
mrn_charset_cp932 = cs[0];
else if (mrn_charset_cp932->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "sjis"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_sjis)
mrn_charset_sjis = cs[0];
else if (mrn_charset_sjis->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "eucjpms"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_eucjpms)
mrn_charset_eucjpms = cs[0];
else if (mrn_charset_eucjpms->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "ujis"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_ujis)
mrn_charset_ujis = cs[0];
else if (mrn_charset_ujis->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
if (!strcmp(cs[0]->csname, "koi8r"))
{
DBUG_PRINT("info", ("mroonga: %s is %s [%p]",
cs[0]->name, cs[0]->csname, cs[0]->cset));
if (!mrn_charset_koi8r)
mrn_charset_koi8r = cs[0];
else if (mrn_charset_koi8r->cset != cs[0]->cset)
DBUG_ASSERT(0);
continue;
}
DBUG_PRINT("info", ("mroonga: %s[%s][%p] is not supported",
cs[0]->name, cs[0]->csname, cs[0]->cset));
}
DBUG_VOID_RETURN;
}
int set(grn_ctx *ctx, const CHARSET_INFO *charset) {
MRN_DBUG_ENTER_FUNCTION();
int error = 0;
if (!set_raw(ctx, charset)) {
const char *name = "<null>";
const char *csname = "<null>";
if (charset) {
name = charset->name;
csname = charset->csname;
}
error = ER_MRN_CHARSET_NOT_SUPPORT_NUM;
my_printf_error(error,
ER_MRN_CHARSET_NOT_SUPPORT_STR,
MYF(0), name, csname);
}
DBUG_RETURN(error);
}
bool set_raw(grn_ctx *ctx, const CHARSET_INFO *charset) {
MRN_DBUG_ENTER_FUNCTION();
if (!charset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_NONE);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_utf8->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_UTF8);
DBUG_RETURN(true);
}
if (mrn_charset_utf8mb4 && charset->cset == mrn_charset_utf8mb4->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_UTF8);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_cp932->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_SJIS);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_eucjpms->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_EUC_JP);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_latin1_1->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_LATIN1);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_latin1_2->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_LATIN1);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_koi8r->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_KOI8R);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_binary->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_NONE);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_ascii->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_UTF8);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_sjis->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_SJIS);
DBUG_RETURN(true);
}
if (charset->cset == mrn_charset_ujis->cset)
{
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_EUC_JP);
DBUG_RETURN(true);
}
GRN_CTX_SET_ENCODING(ctx, GRN_ENC_NONE);
DBUG_RETURN(false);
}
}
}
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