Added Json Formatter and a String toolkit

Author: homer6

LICENSE

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+The MIT License
+
+Copyright (c) 2011 Steve Sperandeo <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

source/php/Javascript/Json/JsonFormatter.php

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+<?php
+
+/**
+* This file is part of the Altumo library.
+* 
+* (c) Steve Sperandeo <[email protected]>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+
+
+
+
+namespace Altumo\Javascript\Json;
+ 
+ 
+/**
+* This class formats JSON strings into pretty JSON strings.
+* 
+* @author Steve Sperandeo <[email protected]>
+*/
+class JsonFormatter{
+     
+     
+     /**
+     * Echos a string to the screen in a nice display of hex values and exits.
+     * 
+     * 
+     * @param string $string
+     */
+     static public function hexDump( $string ){
+         
+         echo '<pre>';
+         for( $position = 0; $position < strlen($string); $position++ ){
+                                       
+             $character = $string[$position];             
+             if( $position != 0 ){
+                 echo " ";
+                 if( $position % 4 == 0 ){
+                     echo " ";
+                 }
+                 if( $position % 16 == 0 ){
+                     echo "\n";
+                 }
+             }
+             echo dechex(ord($character));
+         }
+         exit();
+         
+     }
+     
+     
+     /**
+     * Formats a JSON string into a pretty JSON string.
+     * 
+     * @todo Fix so text-qualified characters eg. ",{[" don't break formatting.
+     * 
+     * @param string $json
+     * @return string
+     */
+     static public function format( $json ){
+         
+         $indent_character = '    ';
+         $indent_count = 0;         
+         $json_length = strlen($json);
+         
+         $position = 0;
+                  
+         $insert_newline_after = function( $offset ) use ( &$json, &$indent_character, &$indent_count, &$position ){
+            $indent = str_repeat($indent_character, $indent_count);
+            $json = \Altumo\String\String::insert( "\n" . $indent, $json, $offset + 1 );
+            $position += strlen($indent) + 1;
+         };
+         
+         for( ; $position < $json_length; $position++ ){
+                                       
+             $character = $json[$position];             
+             switch( $character ){
+                 
+                case ':':
+                        //insert a space after colons
+                        $json = \Altumo\String\String::insert( " ", $json, $position + 1 );
+                        $position++;
+                    break;
+                 
+                case ',':
+                        $insert_newline_after($position);
+                    break;
+                    
+                case '[':
+                case '{':
+                        $indent_count++;
+                        $insert_newline_after($position);
+                    break;
+                    
+                case ']':
+                case '}':
+                        $indent_count--;
+                        $insert_newline_after($position - 1);
+
+                    break;
+                    
+                default:
+                                                     
+            };
+            $json_length = strlen($json);
+
+         }
+         
+         return $json;
+         
+     }
+     
+     
+ }
+ 

source/php/String/String.php

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+<?php
+
+/*
+ * This file is part of the Altumo library.
+ *
+ * (c) Steve Sperandeo <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+ 
+namespace Altumo\String;
+ 
+   
+
+
+ /**
+ * This class contains a number of string helper functions.
+ * 
+ * @author Steve Sperandeo <[email protected]>
+ */
+class String{
+
+    /**
+    * Inserts one string ($addition) into another ($destination) at a given 
+    * string $offset.
+    * 
+    * @param string $addition //new string to add into $destination
+    * @param string $destination //existing string that will contain $addition
+    * @param integer $offset //offset in $destination that we will place $addition
+    * 
+    * @see http://forums.digitalpoint.com/showthread.php?t=182666#post1785645
+    * 
+    * @return string
+    */
+    static public function insert( $addition, $destination, $offset ){    
+        $left = substr( $destination, 0, $offset );
+        $right = substr( $destination, $offset );
+        return $left . $addition . $right;
+    }
+    
+}
+
+