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/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2010 Tetsuro IKEDA
Copyright(C) 2011-2013 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 02110-1335 USA
*/
#include <mrn_mysql.h>
#include "mrn_path_mapper.hpp"
#include <string.h>
namespace mrn {
char *PathMapper::default_path_prefix = NULL;
char *PathMapper::default_mysql_data_home_path = NULL;
PathMapper::PathMapper(const char *original_mysql_path,
const char *path_prefix,
const char *mysql_data_home_path)
: original_mysql_path_(original_mysql_path),
path_prefix_(path_prefix),
mysql_data_home_path_(mysql_data_home_path) {
db_path_[0] = '\0';
db_name_[0] = '\0';
table_name_[0] = '\0';
mysql_table_name_[0] = '\0';
mysql_path_[0] = '\0';
}
/**
* "./${db}/${table}" ==> "${db}.mrn"
* "./${db}/" ==> "${db}.mrn"
* "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0" ==>
* "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0.mrn"
*/
const char *PathMapper::db_path() {
if (db_path_[0] != '\0') {
return db_path_;
}
if (original_mysql_path_[0] == FN_CURLIB &&
original_mysql_path_[1] == FN_LIBCHAR) {
if (path_prefix_) {
strcpy(db_path_, path_prefix_);
}
int i = 2, j = strlen(db_path_), len;
len = strlen(original_mysql_path_);
while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
db_path_[j++] = original_mysql_path_[i++];
}
db_path_[j] = '\0';
} else if (mysql_data_home_path_) {
int len = strlen(original_mysql_path_);
int mysql_data_home_len = strlen(mysql_data_home_path_);
if (len > mysql_data_home_len &&
!strncmp(original_mysql_path_,
mysql_data_home_path_,
mysql_data_home_len)) {
int i = mysql_data_home_len, j;
if (path_prefix_ && path_prefix_[0] == FN_LIBCHAR) {
strcpy(db_path_, path_prefix_);
j = strlen(db_path_);
} else {
memcpy(db_path_, mysql_data_home_path_, mysql_data_home_len);
if (path_prefix_) {
if (path_prefix_[0] == FN_CURLIB &&
path_prefix_[1] == FN_LIBCHAR) {
strcpy(&db_path_[mysql_data_home_len], &path_prefix_[2]);
} else {
strcpy(&db_path_[mysql_data_home_len], path_prefix_);
}
j = strlen(db_path_);
} else {
j = mysql_data_home_len;
}
}
while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
db_path_[j++] = original_mysql_path_[i++];
}
if (i == len) {
memcpy(db_path_, original_mysql_path_, len);
} else {
db_path_[j] = '\0';
}
} else {
strcpy(db_path_, original_mysql_path_);
}
} else {
strcpy(db_path_, original_mysql_path_);
}
strcat(db_path_, MRN_DB_FILE_SUFFIX);
return db_path_;
}
/**
* "./${db}/${table}" ==> "${db}"
* "./${db}/" ==> "${db}"
* "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0" ==>
* "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0"
*/
const char *PathMapper::db_name() {
if (db_name_[0] != '\0') {
return db_name_;
}
if (original_mysql_path_[0] == FN_CURLIB &&
original_mysql_path_[1] == FN_LIBCHAR) {
int i = 2, j = 0, len;
len = strlen(original_mysql_path_);
while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
db_name_[j++] = original_mysql_path_[i++];
}
db_name_[j] = '\0';
} else if (mysql_data_home_path_) {
int len = strlen(original_mysql_path_);
int mysql_data_home_len = strlen(mysql_data_home_path_);
if (len > mysql_data_home_len &&
!strncmp(original_mysql_path_,
mysql_data_home_path_,
mysql_data_home_len)) {
int i = mysql_data_home_len, j = 0;
while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
db_name_[j++] = original_mysql_path_[i++];
}
if (i == len) {
memcpy(db_name_, original_mysql_path_, len);
} else {
db_name_[j] = '\0';
}
} else {
strcpy(db_name_, original_mysql_path_);
}
} else {
strcpy(db_name_, original_mysql_path_);
}
return db_name_;
}
/**
* "./${db}/${table}" ==> "${table}" (with encoding first '_')
*/
const char *PathMapper::table_name() {
if (table_name_[0] != '\0') {
return table_name_;
}
int len = strlen(original_mysql_path_);
int i = len, j = 0;
for (; original_mysql_path_[--i] != FN_LIBCHAR ;) {}
if (original_mysql_path_[i + 1] == '_') {
table_name_[j++] = '@';
table_name_[j++] = '0';
table_name_[j++] = '0';
table_name_[j++] = '5';
table_name_[j++] = 'f';
i++;
}
for (; i < len ;) {
table_name_[j++] = original_mysql_path_[++i];
}
table_name_[j] = '\0';
return table_name_;
}
/**
* "./${db}/${table}" ==> "${table}" (without encoding first '_')
*/
const char *PathMapper::mysql_table_name() {
if (mysql_table_name_[0] != '\0') {
return mysql_table_name_;
}
int len = strlen(original_mysql_path_);
int i = len, j = 0;
for (; original_mysql_path_[--i] != FN_LIBCHAR ;) {}
for (; i < len ;) {
if (len - i - 1 >= 3 &&
strncmp(original_mysql_path_ + i + 1, "#P#", 3) == 0) {
break;
}
mysql_table_name_[j++] = original_mysql_path_[++i];
}
mysql_table_name_[j] = '\0';
return mysql_table_name_;
}
/**
* "./${db}/${table}" ==> "./${db}/${table}"
* "./${db}/${table}#P#xxx" ==> "./${db}/${table}"
*/
const char *PathMapper::mysql_path() {
if (mysql_path_[0] != '\0') {
return mysql_path_;
}
int i;
int len = strlen(original_mysql_path_);
for (i = 0; i < len; i++) {
if (len - i >= 3 &&
strncmp(original_mysql_path_ + i, "#P#", 3) == 0) {
break;
}
mysql_path_[i] = original_mysql_path_[i];
}
mysql_path_[i] = '\0';
return mysql_path_;
}
bool PathMapper::is_internal_table_name() {
return mysql_table_name()[0] == '#';
}
}
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