82 lines
2.0 KiB
PHP
82 lines
2.0 KiB
PHP
<?php
|
|
/*+***********************************************************************************
|
|
* The contents of this file are subject to the vtiger CRM Public License Version 1.0
|
|
* ("License"); You may not use this file except in compliance with the License
|
|
* The Original Code is: vtiger CRM Open Source
|
|
* The Initial Developer of the Original Code is vtiger.
|
|
* Portions created by vtiger are Copyright (C) vtiger.
|
|
* All Rights Reserved.
|
|
*************************************************************************************/
|
|
|
|
class VTEventCondition{
|
|
function __construct($expr){
|
|
if($expr!=''){
|
|
$parser = $this->getParser($expr);
|
|
$this->expr = $parser->statement();
|
|
}else{
|
|
$this->expr = null;
|
|
}
|
|
}
|
|
|
|
|
|
function test($obj){
|
|
$this->data = $obj;
|
|
if($this->expr==null){
|
|
return true;
|
|
}else{
|
|
return $this->evaluate($this->expr);
|
|
}
|
|
}
|
|
|
|
private function getParser($expr){
|
|
$ass = new ANTLRStringStream($expr);
|
|
$lex = new VTEventConditionParserLexer($ass);
|
|
$cts = new CommonTokenStream($lex);
|
|
$tap = new VTEventConditionParserParser($cts);
|
|
return $tap;
|
|
}
|
|
|
|
|
|
private function evaluate($expr){
|
|
if(is_array($expr)){
|
|
$oper = $expr[0];
|
|
if($oper=='.'){
|
|
$out = $this->data;
|
|
$syms = array_slice($expr, 1);
|
|
foreach($syms as $sym){
|
|
$out = $this->get($out, $sym->name);
|
|
}
|
|
return $out;
|
|
}else{
|
|
$evaled = array_map(array($this, 'evaluate'), array_slice($expr, 1));
|
|
switch($oper){
|
|
case "in":
|
|
return in_array($evaled[0], $evaled[1]);
|
|
case "==":
|
|
return $evaled[0] == $evaled[1];
|
|
case "list":
|
|
return $evaled;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
}else{
|
|
if($expr instanceof VTEventConditionSymbol){
|
|
return $this->get($this->data, $expr->name);
|
|
}else{
|
|
return $expr;
|
|
}
|
|
}
|
|
}
|
|
|
|
private function get($obj, $field){
|
|
if(is_array($obj)){
|
|
return $obj[$field];
|
|
}else{
|
|
$func = "get".ucwords($field);
|
|
return $obj->$func();
|
|
}
|
|
|
|
}
|
|
}
|
|
?>
|