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/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2011 Kentoku SHIBA
Copyright(C) 2011-2015 Kouhei Sutou <kou@clear-code.com>
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_mysql.h>
#include "mrn_index_table_name.hpp"
// for debug
#define MRN_CLASS_NAME "mrn::IndexTableName"
namespace mrn {
const char *IndexTableName::SEPARATOR = "#";
const char *IndexTableName::OLD_SEPARATOR = "-";
bool IndexTableName::is_custom_name(const char *table_name,
size_t table_name_length,
const char *index_table_name,
size_t index_table_name_length)
{
MRN_DBUG_ENTER_METHOD();
if (index_table_name_length <= (table_name_length + strlen(SEPARATOR))) {
DBUG_RETURN(true);
}
if (strncmp(table_name, index_table_name, table_name_length) != 0) {
DBUG_RETURN(true);
}
if ((strncmp(OLD_SEPARATOR,
index_table_name + table_name_length,
strlen(OLD_SEPARATOR)) != 0) &&
(strncmp(SEPARATOR,
index_table_name + table_name_length,
strlen(SEPARATOR)) != 0)) {
DBUG_RETURN(true);
}
DBUG_RETURN(false);
}
IndexTableName::IndexTableName(const char *table_name,
const char *mysql_index_name)
: table_name_(table_name),
mysql_index_name_(mysql_index_name) {
uchar encoded_mysql_index_name_multibyte[MRN_MAX_KEY_SIZE];
const uchar *mysql_index_name_multibyte =
reinterpret_cast<const uchar *>(mysql_index_name_);
encode(encoded_mysql_index_name_multibyte,
encoded_mysql_index_name_multibyte + MRN_MAX_KEY_SIZE,
mysql_index_name_multibyte,
mysql_index_name_multibyte + strlen(mysql_index_name_));
snprintf(old_name_, MRN_MAX_KEY_SIZE,
"%s%s%s",
table_name_,
OLD_SEPARATOR,
encoded_mysql_index_name_multibyte);
old_length_ = strlen(old_name_);
snprintf(name_, MRN_MAX_KEY_SIZE,
"%s%s%s",
table_name_,
SEPARATOR,
encoded_mysql_index_name_multibyte);
length_ = strlen(name_);
}
const char *IndexTableName::c_str() {
return name_;
}
size_t IndexTableName::length() {
return length_;
}
const char *IndexTableName::old_c_str() {
return old_name_;
}
size_t IndexTableName::old_length() {
return old_length_;
}
uint IndexTableName::encode(uchar *encoded_start,
uchar *encoded_end,
const uchar *mysql_string_start,
const uchar *mysql_string_end) {
MRN_DBUG_ENTER_METHOD();
my_charset_conv_mb_wc mb_wc = system_charset_info->cset->mb_wc;
my_charset_conv_wc_mb wc_mb = my_charset_filename.cset->wc_mb;
DBUG_PRINT("info", ("mroonga: in=%s", mysql_string_start));
encoded_end--;
uchar *encoded = encoded_start;
const uchar *mysql_string = mysql_string_start;
while (mysql_string < mysql_string_end && encoded < encoded_end) {
my_wc_t wc;
int mb_wc_converted_length;
int wc_mb_converted_length;
mb_wc_converted_length =
(*mb_wc)(NULL, &wc, mysql_string, mysql_string_end);
if (mb_wc_converted_length > 0) {
wc_mb_converted_length = (*wc_mb)(NULL, wc, encoded, encoded_end);
if (wc_mb_converted_length <= 0) {
break;
}
} else if (mb_wc_converted_length == MY_CS_ILSEQ) {
*encoded = *mysql_string;
mb_wc_converted_length = 1;
wc_mb_converted_length = 1;
} else {
break;
}
mysql_string += mb_wc_converted_length;
encoded += wc_mb_converted_length;
}
*encoded = '\0';
DBUG_PRINT("info", ("mroonga: out=%s", encoded_start));
DBUG_RETURN(encoded - encoded_start);
}
}
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