inc/3rdparty/libraries/send2kindle/io.php

   1 <?php
   2 /**
   3  * Simple output message and args prepared
   4  *
   5  * @author Jakub Westfalewski <jwest@jwest.pl>
   6  */
   7 class IO {
   8
   9     /**
  10      * Max line height
  11      */
  12     const COMMAND_LENGTH = 50;
  13
  14     /**
  15      * args for run screen
  16      * @var array
  17      */
  18     protected static $_args = array
  19     (
  20         'help' => array('value' => FALSE, 'description' => 'show help for news2kindle'),
  21         'grab' => array('value' => FALSE, 'description' => 'grab articles from google reader'),
  22         'mobi' => array('value' => FALSE, 'description' => 'prepare mobi format'),
  23         'send' => array('value' => FALSE, 'description' => 'send articles to kindle'),
  24         'login' => array('value' => NULL, 'description' => 'your login to google account *requred'),
  25         'password' => array('value' => NULL, 'description' => 'your password to google account *required'),
  26         'kindle' => array('value' => NULL, 'description' => 'your kindle email *required'),
  27         'items' => array('value' => 100, 'description' => 'max items to grab in run'),
  28         'render' => array('value' => 'std', 'description' => 'name of html template for newspapper'),
  29         //'timeout' => array('value' => FALSE, 'description' => 'timeout is most important than items count'),
  30     );
  31
  32     /**
  33      * Write on screen text line
  34      * @param string $message
  35      * @param bool   $broken_line
  36      */
  37     public static function msg($message, $broken_line = TRUE)
  38     {
  39         echo ( $broken_line ? "\n" : "" ) . $message;
  40     }
  41
  42     /**
  43      * Write command for status
  44      * @param string $message
  45      */
  46     public static function command($message)
  47     {
  48         $output_whitespaces = '';
  49
  50         for ($i = strlen($message); $i <= self::COMMAND_LENGTH; ++$i )
  51         {
  52             $output_whitespaces .= '-';
  53         }
  54
  55         self::msg( $message . ' ' . $output_whitespaces.' ' );
  56     }
  57
  58     /**
  59      * Status - OK
  60      */
  61     public static function ok()
  62     {
  63         $colored_string = "\033[1;37m" . "\033[42m" . ' OK ' . "\033[0m";
  64         self::msg( $colored_string, FALSE );
  65     }
  66
  67     /**
  68      * Status - Error
  69      */
  70     public static function error($message = NULL)
  71     {
  72         $colored_string = "\033[1;37m" . "\033[41m" . ' ERROR ' . "\033[0m";
  73         self::msg( $colored_string, FALSE );
  74
  75         if ( $message !== NULL )
  76         {
  77             self::msg( '  - ' . $message );
  78         }
  79     }
  80
  81     /**
  82      * Get run args
  83      * @param string $name key config
  84      * @return mixed config value
  85      */
  86     public static function arg($name)
  87     {
  88         return self::$_args[$name]['value'];
  89     }
  90
  91     /**
  92      * Get config from ini
  93      * @param string $path
  94      * @return void
  95      */
  96     protected static function _get_config($path)
  97     {
  98         $config = parse_ini_file( $path . 'config.ini' );
  99
 100         foreach($config as $key => $value)
 101         {
 102             self::$_args[$key]['value'] = $value;
 103         }
 104     }
 105
 106     /**
 107      * Prepare args for script
 108      * (from http://php.net/manual/en/features.commandline.php)
 109      * @param array $argv array
 110      * @param string $path
 111      * @return bool success or error
 112      */
 113     public static function prepare_args($argv, $path)
 114     {
 115         self::command('Parse args');
 116
 117         self::_get_config($path);
 118
 119         array_shift($argv);
 120         $out = array();
 121
 122         foreach ( $argv as $arg )
 123         {
 124             if ( substr($arg,0,2) == '--' )
 125             {
 126                 $eqPos = strpos($arg,'=');
 127
 128                 if ( $eqPos === false )
 129                 {
 130                     $key = substr($arg,2);
 131                     $out[$key] = isset($out[$key]) ? $out[$key] : true;
 132                 }
 133                 else
 134                 {
 135                     $key = substr($arg,2,$eqPos-2);
 136                     $out[$key] = substr($arg,$eqPos+1);
 137                 }
 138
 139             }
 140             else if ( substr($arg,0,1) == '-' )
 141             {
 142                 if ( substr($arg,2,1) == '=' )
 143                 {
 144                     $key = substr($arg,1,1);
 145                     $out[$key] = substr($arg,3);
 146                 }
 147                 else
 148                 {
 149                     $chars = str_split(substr($arg,1));
 150
 151                     foreach ( $chars as $char )
 152                     {
 153                         $key = $char;
 154                         $out[$key] = isset($out[$key]) ? $out[$key] : true;
 155                     }
 156                 }
 157             }
 158             else
 159             {
 160                 $out[] = $arg;
 161             }
 162         }
 163
 164         try
 165         {
 166             $args = self::_validate_args($out);
 167
 168             foreach ( $args as $key => $value )
 169             {
 170                 self::$_args[$key]['value'] = $value;
 171             }
 172         }
 173         catch(Exception $e)
 174         {
 175             self::error($e->getMessage());
 176             return false;
 177         }
 178
 179         self::ok();
 180
 181         return true;
 182     }
 183
 184     /**
 185      * Validate args for script
 186      * (from http://php.net/manual/en/features.commandline.php)
 187      * @param array $argv array
 188      * @return array args
 189      */
 190     private static function _validate_args($args)
 191     {
 192         if( array_key_exists('help', $args) OR array_key_exists('h', $args) )
 193         {
 194             $args['grab'] = false;
 195             $args['mobi'] = false;
 196             $args['send'] = false;
 197             $args['login'] = false;
 198             $args['password'] = false;
 199             $args['kindle'] = false;
 200         }
 201
 202         foreach ( $args as $key => $arg )
 203         {
 204             if ( strlen($key) === 1 )
 205             {
 206                 foreach ( self::$_args as $keyA => $argA )
 207                 {
 208                     if($keyA[0] === $key )
 209                     {
 210                         unset( $args[$key] );
 211                         $args[$keyA] = $arg;
 212                         $key = $keyA;
 213                     }
 214                 }
 215             }
 216
 217             if ( ! array_key_exists($key, self::$_args) )
 218             {
 219                 throw new Exception('Param "'.$key.'" is invalid!');
 220             }
 221         }
 222
 223         foreach ( self::$_args as $key => $arg )
 224         {
 225             if( self::$_args[$key]['value'] === NULL AND !array_key_exists($key, $args) )
 226             {
 227                 throw new Exception('Param "'.$key.'" must be declared!');
 228             }
 229         }
 230
 231         return $args;
 232     }
 233
 234     /**
 235      * Prepare help
 236      * @return array
 237      */
 238     public static function get_help()
 239     {
 240         $output = array();
 241
 242         foreach ( self::$_args as $arg => $item )
 243         {
 244             $output[$arg] = $item['description'];
 245         }
 246
 247         return $output;
 248     }
 249
 250 }