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  Classes of Tom Schaefer  >  SQL Parse and Compile  >  Sql_Object.class.php  >  Download  
File: Sql_Object.class.php
Role: Class source
Content type: text/plain
Description: sql object class (singleton)
Class: SQL Parse and Compile
Parse and compose SQL queries programatically
Author: By
Last change: update
Date: 5 years ago
Size: 3,923 bytes
 

Contents

Class file image Download
<?php
/**
 *
 * Sql_Object
 * @package Sql
 * @author Thomas Schäfer
 * @since 30.11.2008 07:49:30
 * @desc Singleton
 */

/**
 *
 * Sql_Object
 * @package Sql
 * @author Thomas Schäfer
 * @since 30.11.2008 07:49:30
 * @desc Singleton
 */

final class Sql_Object {

    private static 
$properties = array();
    private static 
$log = array();

    private function 
__construct(){}
        
    public static function 
set($name$value){
        
self::$properties[$name] = $value;    
    }
    
    private static function 
setLog($type$message$file$line) {
        
$logString '<li>';
        
$logString .= '<div class="log-msg">'.$message."</div>";
        
$logString .= '<div class="log-pos">thrown at '.$file." ("$line.")</div>";
        
$logString .= '</li>';
        
self::$log[$type] = $logString;
    }
    
    public static function 
setWarning($message=null$file=""$line=""){
        
self::setLog("Warning"$message$file$line);    
    }
    
    public static function 
setError($message=null$file=""$line=""){
        
self::setLog("Error"$message$file$line);
    }
    
    public static function 
getLog(){
        return 
'<div class="log"><ul>'.self::$log.'</ul></div>';
    }
    
    public static function 
has($name){
        if(
strstr($name,".")){
            
$path explode("."$name);
            
$key array_shift($path);
            
$path implode(".",$path);
            return 
self::hasElement($path,self::$properties[$key]);
        } else {
            return (isset(
self::$properties[$name])) ? true false;
        }
    }

    public static function 
count($name){
        if(
strstr($name,".")){
            
$path explode("."$name);
            
$key array_shift($path);
            
$path implode(".",$path);
            return 
count(self::getElement($path,self::$properties[$key]));
        } else {
            return (isset(
self::$properties[$name])) ? count(self::$properties[$name]) : false;
        }
    }
    
    public static function 
length($name){
        if(
strstr($name,".")){
            
$path explode("."$name);
            
$key array_shift($path);
            
$path implode(".",$path);
            return 
strlen(self::getElement($path,self::$properties[$key]));
        } else {
            return (isset(
self::$properties[$name])) ? strlen(self::$properties[$name]) : false;
        }
    }
    
    public static function 
get($name){
        if(
self::has($name)) {
            if(
strstr($name,".")){
                
$path explode("."$name);
                
$key array_shift($path);
                
$path implode(".",$path);
                return 
self::getElement($path,self::$properties[$key]);
            }         
            return 
self::$properties[$name];
        }
        return 
false;
    }
    
    public static function 
token(){
        return 
self::$properties["token"];
    }
    
    public static function 
lexer(){
        return 
self::$properties["lexer"];
    }

    protected static function 
getElement($path$data) {
        if(!
is_array($path)and strstr($path,".")){$path explode("."$path);}
        if(
is_array($path)) {
            
$key array_shift($path);
            
$path implode(".",$path);
            return 
self::getElement($path$data[$key]);
        } else {
            if(isset(
$data[$path])) {
                return 
$data[$path];
            } else {
                return 
$data;
            }            
        }
    }    
    
    protected static function 
hasElement($path$data) {
        if(!
is_array($path)and strstr($path,".")){$path explode("."$path);}
        if(
is_array($path)) {
            
$key array_shift($path);
            
$path implode(".",$path);
            
$dat self::hasElement($path$data[$key]);
            if(
is_array($dat)){
                return 
$dat;
            } elseif(!empty(
$dat)) {
                return 
true;
            } else {
                return 
false;
            }
        } else {
            return (isset(
$data[$path]))?true:false;            
        }
    }    

    public static function 
getAll(){
        return 
self::$properties;
    }
    
    public static function 
clear(){
        
self :: $properties["lexer"] = null;
        
self :: $properties["token"] = null;
    }
    
}