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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "libmysqlfs.h"
int search_and_replace(char *search, char* replace, char* string)
{
char buff[1024];
int found=0;
char *ptr1;
const char *ptr2=buff;
char *strptr=string;
DBUG_ENTER("search_and_replace");
DBUG_PRINT("enter",("search: '%s' replace:'%s' string:'%s'",search,replace,string));
strcpy(buff,string);
while(ptr1=strstr(ptr2,search))
{
strncpy(strptr,ptr2,ptr1-buff);
strptr+=ptr1-buff;
ptr2+=ptr1-buff+strlen(search);
strcpy(strptr,replace);
strptr+=strlen(replace);
found++;
}
DBUG_RETURN(found);
}
int show_functions(char *b, function_type type)
{
int i=0,j=0;
struct func_st func;
DBUG_ENTER("show_functions");
get_dynamic(&functions_array,(gptr)&func,i);
while(func.length) {
if (func.type == type)
strcpy(&b[j++*BUFLEN],func.filename);
get_dynamic(&functions_array,(gptr)&func,++i);
}
DBUG_RETURN(j);
}
struct func_st * check_if_function(char *name, function_type type)
{
int pathlen;
int j,i=0, len;
static struct func_st function;
char buffer[BUFLEN];
DBUG_ENTER("check_if_function");
DBUG_PRINT("enter",("name: '%s' type: '%d'", name, type));
pathlen=strlen(name);
/* We try to compare last element in path to function names */
get_dynamic(&functions_array,(gptr)&function,i);
while(function.length) {
function.continuous ?
(j=!strncasecmp(function.filename, name, function.length))
: (j=!strcasecmp(function.filename,name));
if(j) { /* This happens when function was matched */
DBUG_PRINT("info",("Function %s detected!",function.filename));
break;
}
get_dynamic(&functions_array,(gptr)&function,++i);
}
/* Copy path to buffer and trip function name (if found) from it */
if(function.length != 0)
{
DBUG_RETURN(&function);
} else {
DBUG_RETURN(0);
}
}
/*
* parse - splits "path" into different variables
* in way "/server/database/table/(field|key)/(value|function)". If path is shorter,
* then other fields will be NULL. If path is longer than four levels or
* shorter than one level, FS_NOTEXIST is returned.
*/
int parse(const char * path, char *server, char * database, char *table,
char* field, char* value, struct func_st **funce)
{
char buffer[BUFLEN];
char *p=buffer;
char *x;
int len;
DBUG_ENTER("parse");
DBUG_PRINT("enter",("path: '%s'", path));
*server=*database=*table=*field=*value='\0';
/* Search for first slash and drop it */
strcpy(buffer,path);
x=strtok_r(p,"/",&p);
if(x)
{
strcpy(server,x); /* First argument is server name */
if(*p)
strcpy(database,strtok_r(p,"/",&p)); /* Second is database */
if(p && *p)
strcpy(table ,strtok_r(p,"/",&p)); /* Third is table name */
if(p && *p)
strcpy(field ,strtok_r(p,"/",&p)); /* Fourth is field or key name */
if(p && *p)
strcpy(value ,strtok_r(p,"/",&p)); /* Fifth is field/key value or function */
}
/* We have to find if last argument is function,
* In which case we clear it
*/
if(*value) {
*funce=check_if_function(value,VALUE_FUNCTION);
if(*funce) *value='\0';
} else if (*field) {
*funce=check_if_function(field,FIELD_FUNCTION);
if(*funce) *field='\0';
} else if (*table) {
*funce=check_if_function(table,TABLE_FUNCTION);
if(*funce) *table='\0';
} else if (*database) {
*funce=check_if_function(database,DATABASE_FUNCTION);
if(*funce) *database='\0';
} else if (*server) {
*funce=check_if_function(server,SERVER_FUNCTION);
if(*funce) *server='\0';
} else
*funce=NULL;
DBUG_PRINT("info",("path: '%s', server: '%s', db: '%s', table: '%s', field: '%s', value: '%s', function: '%x'",
buffer, server, database, table, field, value, funce ));
if(p && *p) /* Something is in buffer - too deep in levels */
DBUG_RETURN(-1)
else
DBUG_RETURN(0)
}
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