143 lines
3 KiB
PHP
143 lines
3 KiB
PHP
<?php
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namespace gp\tool;
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defined('is_running') or die('Not an entry point...');
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/*
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* Parse ini files and strings
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* We use the custom parser
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* - since parse_ini_string isn't available till php 5.3
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* - so that we can pass variables to the ini files
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* - parse_ini_file/string can fatally crash php if the ini file is corrupt
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* - php's functions don't handle escaped quotes as expected
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*/
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class Ini{
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static function ParseFile($file,$variables=array()){
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$contents = file_get_contents($file);
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if( $contents === false ){
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return array();
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}
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return self::ParseString( $contents, $variables );
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}
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static function ParseString( $string, $variables=array() ){
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if( count($variables) > 0 ){
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$keys = array_keys($variables);
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$values = array_values($variables);
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$string = str_replace($keys,$values,$string);
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}
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$aResult = array();
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$a = &$aResult;
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$lines = explode("\n",$string);
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foreach($lines as $line){
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$line = trim($line);
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if( strlen($line) < 1 ){
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continue;
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}
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if( $line[0] == ';' ){
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continue;
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}
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//sections
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if( $line[0] == '[' ){
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$line = self::GetQuotedText($line,']');
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if( $line == false ){
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return false;
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}
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$a = &$aResult[$line];
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continue;
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}
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self::GetAssignment($line,$key,$value);
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if( $key !== false && $value !== false ){
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$a[$key] = $value;
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}
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}
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return $aResult;
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}
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static function GetAssignment($line,&$key,&$value){
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$key = $value = false;
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//get the key
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$len = strspn($line,'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_\\- *:');
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if( $len < 1 ){
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return true;
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}
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$key = substr($line,0,$len);
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$key = trim($key);
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$line = substr($line,$len);
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//check for the =
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$line = trim($line);
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if( strlen($line) < 1 ){
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return true;
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}
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if( $line[0] != '=' ){
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return true;
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}
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$line = substr($line,1);
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$line = trim($line);
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if( strlen($line) < 1 ){
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return true;
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}
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//get the value
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if( $line[0] == '"' ){
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$value = self::GetQuotedText($line,'"');
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}elseif( $line[0] == "'" ){
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$value = self::GetQuotedText($line,"'");
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}else{
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$pos = strpos($line,';');
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if( $pos > 0 ){
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$value = substr($line,0,$pos);
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$value = trim($value);
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}else{
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$value = $line;
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}
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if( !empty($value) ){
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$value = self::Value($value);
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}
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}
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return true;
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}
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static function GetQuotedText($line,$closechar=']'){
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do{
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$unique = uniqid('__');
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}while( strpos($line,$unique) );
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$line = str_replace('\\\\',$unique.'_BACKSLASHES',$line);
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$line = str_replace('\\'.$closechar,$unique.'_ESCAPED',$line);
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$line = substr($line,1);
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$pos = strpos($line,$closechar);
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if( $pos == false ){
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return false;
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}
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$line = substr($line,0,$pos);
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$line = str_replace($unique.'_ESCAPED',$closechar,$line);
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$line = str_replace($unique.'_BACKSLASHES','\\',$line);
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return $line;
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}
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static function Value($val){
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if (preg_match('/^-?[0-9]$/', $val)) { return intval($val); }
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else if (strtolower($val) === 'true') { return true; }
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else if (strtolower($val) === 'false') { return false; }
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return $val;
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}
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}
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