<?php
# MySQL Babel
# version 0.0.1
# coded by Alessandro Rosa
# e-mail : zandor_zz@yahoo.it
# site : http://malilla.supereva.it
# Copyright (C) 2005 Alessandro Rosa
# 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
# 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.
# Compiled with PHP 4.4.0
class languages
{
function languages( $lng_code )
{
$this->loadMySql() ;
if ( strlen( $lng_code ) != 2 ) $this->errNo = 0 ;
else
{
$this->language_code = $lng_code;
$lng_code = strtolower($lng_code);
$this->dynamic_file_path = $this->lngs_dir_path."$lng_code.php" ;
if ( file_exists( $this->dynamic_file_path ) )
{
require_once ( $this->dynamic_file_path );
$this->native_language_array = load_language() ;
$this->errors_messages_array = load_errors() ;
$this->errNo = -1 ;
}
else $this->errNo = 1 ;
}
}
function loadMySql()
{
$this->mysql_dictionary_array = array();
$this->mysql_dictionary_array[0][0] = "," ; $this->mysql_dictionary_array[0][1] = "0001" ;
$this->mysql_dictionary_array[1][0] = "" ; $this->mysql_dictionary_array[1][1] = "0002" ;
$this->mysql_dictionary_array[2][0] = "TRUNCATE" ; $this->mysql_dictionary_array[2][1] = "0003" ;
$this->mysql_dictionary_array[3][0] = "ALTER" ; $this->mysql_dictionary_array[3][1] = "0004" ;
$this->mysql_dictionary_array[4][0] = "ADD" ; $this->mysql_dictionary_array[4][1] = "0005" ;
$this->mysql_dictionary_array[5][0] = "COLUMN" ; $this->mysql_dictionary_array[5][1] = "0006" ;
$this->mysql_dictionary_array[6][0] = "RENAME" ; $this->mysql_dictionary_array[6][1] = "0007" ;
$this->mysql_dictionary_array[7][0] = "TO" ; $this->mysql_dictionary_array[7][1] = "0008" ;
$this->mysql_dictionary_array[8][0] = "FROM" ; $this->mysql_dictionary_array[8][1] = "0009" ;
$this->mysql_dictionary_array[9][0] = "GROUP" ; $this->mysql_dictionary_array[9][1] = "0010" ;
$this->mysql_dictionary_array[10][0] = "USE" ; $this->mysql_dictionary_array[10][1] = "0011" ;
$this->mysql_dictionary_array[11][0] = "SELECT" ; $this->mysql_dictionary_array[11][1] = "0012" ;
$this->mysql_dictionary_array[12][0] = "WHERE" ; $this->mysql_dictionary_array[12][1] = "0013" ;
$this->mysql_dictionary_array[13][0] = "ORDER" ; $this->mysql_dictionary_array[13][1] = "0014" ;
$this->mysql_dictionary_array[14][0] = "SHOW" ; $this->mysql_dictionary_array[14][1] = "0015" ;
$this->mysql_dictionary_array[15][0] = "TABLE" ; $this->mysql_dictionary_array[15][1] = "0016" ;
$this->mysql_dictionary_array[16][0] = "TABLES" ; $this->mysql_dictionary_array[16][1] = "0017" ;
$this->mysql_dictionary_array[17][0] = "FIELDS" ; $this->mysql_dictionary_array[17][1] = "0018" ;
$this->mysql_dictionary_array[18][0] = "LIKE" ; $this->mysql_dictionary_array[18][1] = "0019" ;
$this->mysql_dictionary_array[19][0] = "=" ; $this->mysql_dictionary_array[19][1] = "0020" ;
$this->mysql_dictionary_array[20][0] = "<" ; $this->mysql_dictionary_array[20][1] = "0021" ;
$this->mysql_dictionary_array[21][0] = ">" ; $this->mysql_dictionary_array[21][1] = "0022" ;
$this->mysql_dictionary_array[22][0] = "CREATE" ; $this->mysql_dictionary_array[22][1] = "0023" ;
$this->mysql_dictionary_array[23][0] = "DROP" ; $this->mysql_dictionary_array[23][1] = "0024" ;
$this->mysql_dictionary_array[24][0] = "DELETE" ; $this->mysql_dictionary_array[24][1] = "0025" ;
$this->mysql_dictionary_array[25][0] = "UPDATE" ; $this->mysql_dictionary_array[25][1] = "0026" ;
$this->mysql_dictionary_array[26][0] = "SET" ; $this->mysql_dictionary_array[26][1] = "0027" ;
$this->mysql_dictionary_array[27][0] = "INSERT" ; $this->mysql_dictionary_array[27][1] = "0028" ;
$this->mysql_dictionary_array[28][0] = "REPLACE" ; $this->mysql_dictionary_array[28][1] = "0029" ;
$this->mysql_dictionary_array[29][0] = "INTO" ; $this->mysql_dictionary_array[29][1] = "0030" ;
$this->mysql_dictionary_array[30][0] = "VALUES" ; $this->mysql_dictionary_array[30][1] = "0031" ;
$this->mysql_dictionary_array[31][0] = "ASC" ; $this->mysql_dictionary_array[31][1] = "0032" ;
$this->mysql_dictionary_array[32][0] = "DESC" ; $this->mysql_dictionary_array[32][1] = "0033" ;
$this->mysql_dictionary_array[33][0] = "ISTANCE" ; $this->mysql_dictionary_array[33][1] = "0034" ;
$this->mysql_dictionary_array[34][0] = "ISTANCES" ; $this->mysql_dictionary_array[34][1] = "0035" ;
$this->mysql_dictionary_array[35][0] = "OPTION" ; $this->mysql_dictionary_array[35][1] = "0036" ;
$this->mysql_dictionary_array[36][0] = "OPTIONS" ; $this->mysql_dictionary_array[36][1] = "0037" ;
$this->mysql_dictionary_array[37][0] = "DATABASE" ; $this->mysql_dictionary_array[37][1] = "0038" ;
$this->mysql_dictionary_array[38][0] = "BY" ; $this->mysql_dictionary_array[38][1] = "0039" ;
$this->mysql_dictionary_array[39][0] = "AVG" ; $this->mysql_dictionary_array[39][1] = "0040" ;
$this->mysql_dictionary_array[40][0] = "*" ; $this->mysql_dictionary_array[40][1] = "0041" ;
$this->mysql_dictionary_array[41][0] = "SUM" ; $this->mysql_dictionary_array[41][1] = "0042" ;
$this->mysql_dictionary_array[42][0] = "MAX" ; $this->mysql_dictionary_array[42][1] = "0043" ;
$this->mysql_dictionary_array[43][0] = "MIN" ; $this->mysql_dictionary_array[43][1] = "0044" ;
$this->mysql_dictionary_array[44][0] = "AND" ; $this->mysql_dictionary_array[44][1] = "0045" ;
$this->mysql_dictionary_array[45][0] = "AS" ; $this->mysql_dictionary_array[45][1] = "0046" ;
$this->mysql_dictionary_array[46][0] = "!=" ; $this->mysql_dictionary_array[46][1] = "0047" ;
}
//////////////////////////////////////////////////////////
function getErrMsg()
{
$errMsg = "" ;
switch ( $this->errNo )
{
case -1:
$errMsg = "no errors" ;
break;
case 0:
$errMsg = "error: incorrect language code syntax" ;
break;
case 1:
$errMsg = "error: unsupported language code" ;
break;
default:
break;
}
return $errMsg ;
}
//////////////////////////////////////////////////////////
function isClassOperative() { return ( $this->errNo == -1 ) ? true : false ; }
//////////////////////////////////////////////////////////
function get_native_dictionary() { return $this->native_language_array ; }
function get_mysql_dictionary() { return $this->mysql_dictionary_array ; }
function get_errors_array() { return $this->errors_messages_array ; }
//////////////////////////////////////////////////////////
function get_lngs_dir_path() { return $this->lngs_dir_path ; }
function insert_lngs_dir_path( $ldp ) { $this->lngs_dir_path = $ldp ; }
//////////////////////////////////////////////////////////
var $errNo ;
var $native_language_array ;
var $mysql_dictionary_array ;
var $errors_messages_array ;
var $language_code ;
var $lngs_dir_path = "lngs/" ;
var $dynamic_file_path ;
}
class mysql_babel
{
///////////////////////////////////////
//////// MEMBER METHODS //////////////
///////////////////////////////////////
/*
function mysql_babel() // basic constructor
{
$mysql_server = "" ;
$mysql_dbname = "" ;
$mysql_user = "" ;
$mysql_psw = "" ;
$bOperative = false ;
$errNo = 0 ;
}
*/
function mysql_babel( $server, $dbname, $user, $psw ) // input constructor
{
$this->mysql_server = $server ;
$this->mysql_dbname = $dbname ;
$this->mysql_user = $user ;
$this->mysql_psw = $psw ;
$err_chk = 0 ; $this->errNo = 0 ;
if ( strlen( $this->mysql_server ) <= 0 &&
strlen( $this->mysql_dbname ) <= 0 &&
strlen( $this->mysql_user ) <= 0 &&
strlen( $this->mysql_psw ) <= 0
)
{
$err_chk++ ; $this->errNo = 1 ;
}
else if ( strlen( $this->mysql_server ) <= 0 )
{
$err_chk++ ; $this->errNo = 2 ;
}
else if ( strlen( $this->mysql_dbname ) <= 0 )
{
$err_chk++ ; $this->errNo = 3 ;
}
else if ( strlen( $this->mysql_user ) <= 0 )
{
$err_chk++ ; $this->errNo = 4 ;
}
else if ( strlen( $this->mysql_psw ) <= 0 )
{
$err_chk++ ; $this->errNo = 5 ;
}
$this->bOperative = ( $err_chk == 0 ) ? true : false ;
}
function isClassOperative()
{
return $this->bOperative ;
}
function getErrNo()
{
return $this->errNo ;
}
function getErrMsg()
{
$errIndex = $this->errNo ;
$errMsg = $this->errors_messages_array[ $errIndex ] ;
return $errMsg ;
}
////////////////////////////////////////////////////////////
// input functions ////////////////////////////////////////
////////////////////////////////////////////////////////////
function insert_mysql_server( $server ) { $this->mysql_server = $server ; }
function insert_mysql_dbname( $dbname ) { $this->mysql_dbname = $dbname ; }
function insert_mysql_user( $user ) { $this->mysql_user = $user ; }
function insert_mysql_psw( $psw ) { $this->mysql_psw = $psw ; }
function insert_mysql_source_cmdline( $cmdline ) { $this->native_expression_string = $cmdline ; }
function insert_language_code( $l_c ) { $this->language_code = $l_c ; }
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// output functions ////////////////////////////////////////
////////////////////////////////////////////////////////////
function get_mysql_server() { return $this->mysql_server ; }
function get_mysql_dbname() { return $this->mysql_dbname ; }
function get_mysql_user() { return $this->mysql_user ; }
function get_mysql_password() { return $this->mysql_psw ; }
function get_mysql_source_cmdline() { return $this->native_expression_string ; }
function get_mysql_translated_cmdline() { return $this->mysql_query_string ; }
function get_debug_abstract_cmdline() { return $this->strDebugAbstractLine ; }
function get_language_code( $l_c ) { return $this->language_code ; }
////////////////////////////////////////////////////////////
function safe_data( $qry_input, $bLock )
{
// the goal is to prevent string between quotes to be translated:
// when $bLock is true, blank spaces between quotes are
// turned into '@' (an arbitrary often unused character),
// otherwise '@' turns back to the blank space for restoring
// the original string.
$len = strlen( $qry_input );
$bQuotes = false ;
$retString = "" ;
for ( $i=0; $i < $len; $i++ )
{
$chr = substr( $qry_input, $i, 1 ) ;
if ( strcmp( $chr, "'" ) == 0 || strcmp( $chr, "\\\"" ) == 0 )
$bQuotes = !$bQuotes ;
if ( $bQuotes === true && $bLock === true )
{
if ( strcmp( $chr, " " ) == 0 ) $retString .= "@" ;
else $retString .= $chr ;
}
else if ( $bQuotes === true && $bLock === false )
{
if ( strcmp( $chr, "@" ) == 0 ) $retString .= " " ;
else $retString .= $chr ;
}
else if ( $bQuotes === false ) $retString .= $chr ;
}
$retString = str_replace( "\'", "'", $retString ) ;
return $retString ;
}
function check_output_query( $qry_input )
{
/*
the resulting query is checked for commands
retrieving tables (SELECT, SHOW)
*/
if ( strstr( $qry_input, "SELECT" ) === false &&
strstr( $qry_input, "SHOW" ) === false ) return false;
else return true ;
}
function syntax( $strInput )
{
$strOutput = str_replace( "(", " (", $strInput ) ;
$strOutput = str_replace( ")", ") ", $strOutput ) ;
$strOutput = str_replace( ",", " , ", $strOutput ) ;
$strOutput = str_replace( " ('", "( '", $strOutput ) ;
$strOutput = str_replace( "')", "' ) ", $strOutput ) ;
$strOutput = str_replace( "',", "' ,", $strOutput ) ;
$strOutput = str_replace( "> =", ">=", $strOutput ) ;
$strOutput = str_replace( "< =", "<=", $strOutput ) ;
$strOutput = str_replace( "\\\"", "\"", $strOutput ) ;
$strOutput = str_replace( "\'", "'", $strOutput ) ;
return $strOutput ;
}
function finalize( $strInput )
{
// check mysql command line for proper syntax
$strOutput = str_replace( "SELECT TABLE", "SELECT", $strInput ) ;
$strOutput = str_replace( "SELECT FIELDS", "SELECT", $strOutput ) ;
$strOutput = str_replace( "SELECT FIELD", "SELECT", $strOutput ) ;
$strOutput = str_replace( "SHOW *", "SHOW FIELDS", $strOutput ) ;
$strOutput = str_replace( "INTO TABLE", "INTO", $strOutput ) ;
$strOutput = str_replace( "FROM TABLE", "FROM", $strOutput ) ;
$strOutput = str_replace( ", ORDER", " ORDER", $strOutput ) ;
$strOutput = str_replace( "<> FROM", "<>", $strOutput ) ;
$strOutput = str_replace( "!= FROM", "!=", $strOutput ) ;
$strOutput = str_replace( "SUM (", "SUM(", $strOutput ) ;
$strOutput = str_replace( "AVG (", "AVG(", $strOutput ) ;
$strOutput = str_replace( "MAX (", "MAX(", $strOutput ) ;
$strOutput = str_replace( "MIN (", "MIN(", $strOutput ) ;
$strOutput = str_replace( "< , =", "<=", $strOutput ) ;
$strOutput = str_replace( "> , =", ">=", $strOutput ) ;
$strOutput = str_replace( "\'", "'", $strOutput ) ;
$strOutput = str_replace( "\\\"", "\"", $strOutput ) ;
$strOutput = str_replace( ", ", ",", $strOutput ) ;
$strOutput = str_replace( " ,", ",", $strOutput ) ;
$strOutput = str_replace( " , ", ",", $strOutput ) ;
return $strOutput ;
}
function translate()
{
// check operative status before it goes ...
if ( !( $this->isClassOperative() ) ) return false ;
// do we have input data ?
$srclen = strlen( $this->native_expression_string ) ;
if ( $srclen <= 0 )
{
$this->errNo = 6 ;
return false ;
}
else // check if semicolon closes the input mysql command line
{
$chr = substr( $this->native_expression_string, $srclen-1, 1 );
if ( strcmp( $chr, ";" ) != 0 )
{
$this->errNo = 7 ;
return false ;
}
else
{
/* the semicolon is there, but we need to check that
a blank space between it and the last token ! */
$chr = substr( $this->native_expression_string, $srclen-2, 1 );
if ( strcmp( $chr, " " ) != 0 )
{
$this->native_expression_string = substr( $this->native_expression_string, 0, $srclen-1 )." ;" ;
}
}
}
// check all the standard syntax
$this->native_expression_string = $this->syntax( $this->native_expression_string ) ;
$work_str = $this->safe_data( $this->native_expression_string, true ) ;
//////////////////////////////////////////////
// now let's go with 'translation' process ...
//////////////////////////////////////////////
// let's make some scan for idiomatic expressions in order to find out
// native ones which might be resumed into known tokens
require_once( $this->lngs_dir_path.$this->language_code.".php" ) ;
$work_str = pre_idiomatic( $work_str ) ;
$this->work_str = $this->syntax( $work_str ) ;
// split the whole command line into words separated by blank space
$tokenized_array = explode( " ", $work_str );
// turn all tokens/words into respective numerical codes
// depending on the associated source language table
// if not found, tokens are put into the resulting command
// line as they originally are
$coded_cmdline = "" ;
foreach ( $tokenized_array as $token )
{
$bFound = false ;
foreach( $this->native_dictionary_array as $entry )
{
$word = $entry[0] ;
$code = $entry[1] ;
if ( strcmp( $token, $word ) == 0 )
{
$coded_cmdline .= "$code@@" ;
$bFound = true ;
}
}
if ( !$bFound ) $coded_cmdline .= "$token@@" ;
}
// tracks the first passage in order to debug
// the translation, especially when new dictionaries are built
$this->strDebugAbstractLine = $coded_cmdline ;
// now turn all special token words into mysql commands,
// otherwise leave the token word as it is inside the
// resulting mysql command line
$tokenized_array = explode( "@@", $coded_cmdline );
$this->mysql_query_string = "" ;
// $tokenized_array is a uni-dimensional array including codes only
// $mysql_dictionary_array is a bi-dimensional array including mysql commands and word
foreach( $tokenized_array as $token )
{
$bFound = false ;
foreach( $this->mysql_dictionary_array as $entry )
{
$word = $entry[0];
$code = $entry[1];
if ( strcmp( $token, $code ) == 0 )
{
$bFound = true ;
if ( strcmp( $code, "0002" ) != 0 )
$this->mysql_query_string .= "$word " ;
}
}
if ( !$bFound ) $this->mysql_query_string .= "$token " ;
}
$this->mysql_query_string = $this->safe_data( $this->mysql_query_string, false ) ;
$this->mysql_query_string = $this->finalize( $this->mysql_query_string ) ;
return $this->mysql_query_string ;
}
function general_error_output()
{
// you can customize the output function style here
if ( $this->errNo != 0 ) echo "<font color=\"red\">" ;
else echo "<font color=\"blue\">" ;
echo "<b>".$this->getErrMsg()."</b></font><br/>" ;
}
function run_query( $bDisplay )
{
$this->language_code = $native_lang ;
if ( $this->errNo != 0 )
{
echo $this->general_error_output() ;
return ;
}
$h_db = mysql_connect( $this->mysql_server, $this->mysql_user, $this->mysql_psw ) ;
mysql_select_db( $this->mysql_dbname, $h_db );
$h_qry = mysql_query( $this->mysql_query_string );
if ( $h_qry === false )
{
$this->errNo = 8 ;
$this->general_error_output();
return;
}
$bOK = $this->check_output_query( $this->mysql_query_string ) ;
if ( mysql_num_rows( $h_qry ) == 0 && $bOK === true )
{
$this->errNo = 9 ;
$this->general_error_output();
return;
}
else if ( mysql_num_rows( $h_qry ) == 0 && $bOK === false )
{
$this->errNo = 0 ;
$this->general_error_output();
return ;
}
if ( !$bDisplay )
{
mysql_close( $h_db ) ;
return ;
}
// first display fields labels
$i = 0;
echo "<table class=\"example1\">\n" ;
//////////////////////////////////////////////////////////////
echo "<tr class=\"example1header\">\n";
while ( $cols = mysql_fetch_field( $h_qry ) )
{
echo "<td class=\"example1header\">";
if ( $cols ) echo "$cols->name ";
echo "</td>\n";
}
echo "</tr>\n";
//////////////////////////////////////////////////////////////
// ... then display rows contents
while ( $row = mysql_fetch_row($h_qry) )
{
echo "<tr class=\"example1\">" ;
foreach ( $row as $entry )
{
echo "<td class=\"example1row\">\n";
echo $entry ;
echo "</td>\n";
}
echo "</tr>\n";
}
//////////////////////////////////////////////////////////////
echo "</table>\n" ;
//////////////////////////////////////////////////////////////
mysql_close( $h_db ) ;
}
///////////////////////////////////////
//////// MEMBER VARIABLES /////////////
///////////////////////////////////////
var $native_expression_string = "" ;
var $mysql_query_string = "" ;
var $strDebugAbstractLine = "";
///////////////////////////////////////
var $native_dictionary_array ;
var $mysql_dictionary_array ;
var $errors_messages_array ;
///////////////////////////////////////
var $mysql_server ;
var $mysql_dbname ;
var $mysql_user ;
var $mysql_psw ;
///////////////////////////////////////
var $bOperative ;
var $errNo ;
var $language_code ;
///////////////////////////////////////
var $lngs_dir_path = "lngs/" ;
}
?>
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