include/class_debconfTemplate.inc

   1 <?php
   2
   3 class debconf
   4 {
   5   var $package= "";
   6   var $language= "";
   7   var $has_template= FALSE;
   8   var $template_directory= "/var/lib/dpkg/info";
   9   var $template= array();
  10
  11
  12   function debconf($package= "", $language= "")
  13   {
  14     $this->set_language($language);
  15     $this->set_package($package);
  16   }
  17
  18
  19   function set_package($package)
  20   {
  21     $this->package= $package;
  22     return ($this->load());
  23   }
  24
  25
  26   function set_template_directory($directory)
  27   {
  28     if (is_dir($directory) && is_readable($directory)){
  29       $this->template_directory = $directory;
  30       return TRUE;
  31     }
  32
  33     $this->template_directory= "";
  34     return FALSE;
  35   }
  36
  37
  38   function set_language($language)
  39   {
  40     $this->language= $language;
  41   }
  42
  43
  44   function load()
  45   {
  46     /* Reject requests, if parameters are not set */
  47     if ($this->package == "" || $this->template_directory == ""){
  48       return (FALSE);
  49     }
  50
  51     /* Try to load package based template file */
  52     $filename= preg_replace("/\/+/", "/", $this->template_directory."/".$this->package.".templates");
  53     if (is_file($filename) && is_readable($filename)){
  54       $this->template= array();
  55
  56       /* Read template array */
  57       $post_name              = 0;
  58       $langcode             = $this->language.".UTF-8";
  59       $in_description       = FALSE;
  60       $got_local_description= FALSE;
  61
  62       $fh= fopen($filename, 'r');
  63
  64       while (!feof($fh)){
  65         $line= fgets($fh, 1024);
  66
  67         /* Reset description flag */
  68         if ($in_description && !preg_match("/^ /", $line)){
  69           $in_description= FALSE;
  70         }
  71
  72         /* Template header */
  73         if (preg_match("/^Template: /", $line)){
  74           $post_name ++;
  75           $name= trim(preg_replace("/^Template: (.*)$/", "\\1", $line));
  76           $this->template[$post_name]['Name'] = $name;
  77           $this->template[$post_name]['Default'] ="";
  78
  79           $got_local_description= FALSE;
  80           continue;
  81         }
  82
  83         /* Get type */
  84         if (preg_match("/^Type: /", $line)){
  85           $type= trim(preg_replace("/^Type: (.*)$/", "\\1", $line));
  86           $this->template[$post_name]['Type']= $type;
  87           continue;
  88         }
  89
  90         /* Get default */
  91         if (preg_match("/^Default: /", $line)){
  92           $this->template[$post_name]['Default']= "";
  93           $default= trim(preg_replace("/^Default: (.*)$/", "\\1", $line));
  94           $this->template[$post_name]['Default']= $default;
  95           continue;
  96         }
  97
  98         /* Get description */
  99         if (!$got_local_description && preg_match("/^Description: /", $line)){
 100           $this->template[$post_name]['Description']= "";
 101           $description= trim(preg_replace("/^Description: (.*)$/", "\\1", $line));
 102           $this->template[$post_name]['Topic']= $description;
 103           $this->template[$post_name]['Description']= "";
 104           $in_description= TRUE;
 105           continue;
 106         }
 107
 108         /* Fill description */
 109         if (!$got_local_description && $in_description){
 110           $description= preg_replace("/^ (.*)$/", "\\1", $line);
 111           $this->template[$post_name]['Description'].= $description;
 112           continue;
 113         }
 114
 115         /* Get local description */
 116         if (preg_match("/^Description-$langcode: /", $line)){
 117           $description= trim(preg_replace("/^Description-$langcode: (.*)$/", "\\1", $line));
 118           $this->template[$post_name]['Topic']= $description;
 119           $in_description= TRUE;
 120           $got_local_description= TRUE;
 121           $this->template[$post_name]['Description']= "";
 122           continue;
 123         }
 124
 125         /* Fill local description */
 126         if ($got_local_description && $in_description){
 127           $description= preg_replace("/^ (.*)$/", "\\1", $line);
 128           $this->template[$post_name]['Description'].= $description;
 129           continue;
 130         }
 131
 132         /* Get native choices */
 133         if (preg_match("/^Choices: /", $line)){
 134           $type= trim(preg_replace("/^Choices: (.*)$/", "\\1", $line));
 135           $this->template[$post_name]['Choices']= $type;
 136         }
 137
 138         /* Get local choices */
 139         if (preg_match("/^Choices-$langcode: /", $line)){
 140           $type= trim(preg_replace("/^Choices-$langcode: (.*)$/", "\\1", $line));
 141           $this->template[$post_name]['Choices-local']= $type;
 142         }
 143
 144       }
 145
 146       fclose($fh);
 147       $this->has_template= TRUE;
 148
 149       $tmp= array();
 150       foreach($this->template as $post_name => $template){
 151         $template['post_name'] = "post_".$post_name;
 152         $tmp[] = $template;
 153       }
 154       $this->template = $tmp;
 155
 156       return (TRUE);
 157     }
 158
 159     $this->has_template= FALSE;
 160     return (FALSE);
 161   }
 162
 163
 164   function has_template()
 165   {
 166     return ($this->has_template);
 167   }
 168
 169
 170   /* Check if some fields are posted */
 171   function PostCheck()
 172   {
 173     /* Walk through all template variables */
 174     foreach($this->template as $post_name => $entry){
 175
 176       /* Check if this var is set*/
 177       if(isset($_POST[$entry['post_name']])){
 178
 179         /* special handling for arrays */
 180         if(is_array($_POST[$entry['post_name']])){
 181           $str = "";
 182           foreach($_POST[$entry['post_name']] as $val){
 183             $str.= $val.", ";
 184           }
 185           $str = preg_replace("/\,\ $/","",$str);
 186           $this->template[$post_name]['Default'] = $str;
 187         }else{
 188           $this->template[$post_name]['Default'] = $_POST[$entry['post_name']];
 189         }
 190       }
 191     }
 192
 193   }
 194
 195
 196   /* This funtion sets the defualt value */
 197   function SetDefault($var,$val)
 198   {
 199     if($this->has_template){
 200       foreach($this->template as $key => $tmp){
 201         if($tmp['Name'] == $var ){
 202           $this->template[$key]['Default'] = $val;
 203         }
 204       }
 205     }
 206   }
 207
 208
 209   /* Display all possible options in html*/
 210   function get_dialog()
 211   {
 212     if ($this->has_template){
 213       $result= "";
 214
 215       foreach ($this->template as $post_name => $entry){
 216
 217         $types= array("boolean" => "", "multiselect" => "", "note" => "",
 218             "password" => "", "select" => "", "string" => "", "text" => "", "title" => "");
 219
 220         /* Check if type is available */
 221         if ((isset($entry['Type']))&&(isset($types[$entry['Type']]))){
 222
 223           /* Produce type specific output */
 224           $fn= "render_".$entry['Type'];
 225           $result.= $this->$fn($entry);
 226         } else {
 227           //php_error(E_WARNING, "An unknown type has been specified in the debconf template. Please fix.");
 228         }
 229       }
 230
 231       $result .= "<input type='hidden' post_name='check_post' value='1'>";
 232       return ($result);
 233     } else {
 234       return _("This package has no debconf options.");
 235     }
 236   }
 237
 238
 239   function render_boolean($data)
 240   {
 241
 242     $post_name= $data['post_name'];
 243     $result="
 244       <table width='100%' border=0>
 245       <tr>
 246       <td valign='top'>
 247       <b>".$data['Topic']."</b>
 248       </td>
 249       <td width='10%' valign='top'>";
 250
 251     foreach(array("true","false") as $value){
 252       if($data['Default'] == $value){
 253         $result.="<input type='radio' name='".$data['post_name']."' value='".$value."' checked>".$value."</option>";
 254       }else{
 255         $result.="<input type='radio' name='".$data['post_name']."' value='".$value."' >".$value."</option>";
 256       }
 257     }
 258
 259     $result.= "
 260       </td>
 261       </tr>
 262       <tr>
 263       <td colspan=2>".$data['Description']."
 264       </td>
 265       </tr>
 266       </table>";
 267
 268           $result.= "<p class='seperator'>&nbsp;</p>";
 269     return ($result);
 270   }
 271
 272
 273   function render_multiselect($data)
 274   {
 275     $post_name= $data['post_name'];
 276     if (preg_match('/\$\{/', $data['Choices'])){
 277       $choices= array("Need to use some text...");
 278     } else {
 279       $choices= "";
 280       foreach (split(", ", $data['Choices']) as $choice){
 281         $choices[]= $choice;
 282       }
 283     }
 284
 285
 286     $result="
 287       <table width='100%' border=0>
 288       <tr>
 289       <td valign='top'>
 290       <b>".$data['Topic']."</b>
 291       </td>
 292       <td width='10%' valign='top'>
 293       <select name='".$post_name."[]'  multiple size=5>";
 294
 295     $defs = split(", ",$data['Default']);
 296
 297     foreach($choices as $value){
 298       if(in_array($value,$defs)){
 299         $result.="\n<option value='".htmlentities($value)."' selected>".htmlentities($value)."</option>";
 300       }else{
 301         $result.="\n<option value='".htmlentities($value)."'>".htmlentities($value)."</option>";
 302       }
 303     }
 304
 305     $result.= "
 306       </select>
 307       </td>
 308       </tr>
 309       <tr>
 310       <td colspan=2>".$data['Description']."
 311       </td>
 312       </tr>
 313       </table>";
 314           $result.= "<p class='seperator'>&nbsp;</p>";
 315
 316     return ($result);
 317   }
 318
 319
 320   function render_note($data)
 321   {
 322     /* Ignore notes, they do not makes sense, since we don't get any
 323        chance to test entered values... */
 324     return ("");
 325   }
 326
 327
 328   function render_password($data)
 329   {
 330     $result=  "<table width='100%' border=0>";
 331     $result.= "<tr><td valign='top'>";
 332     $result.= "<b>".$data['Topic']."&nbsp;<input type='text' name='".$data['post_name']."' value='".$data['Default']."'></b><br><br>";
 333     $result.= $data['Description'];
 334     $result.= "</td></table>";
 335           $result.= "<p class='seperator'>&nbsp;</p>";
 336
 337     return ($result);
 338   }
 339
 340
 341   function render_select($data)
 342   {
 343     $post_name= $data['post_name'];
 344
 345     if (preg_match('/\$\{/', $data['Choices'])){
 346       $choices= array("Need to use some text...");
 347     } else {
 348       $choices= "";
 349       foreach (split(", ", $data['Choices']) as $choice){
 350         $choices[]= $choice;
 351       }
 352     }
 353
 354
 355     $result="
 356       <table width='100%' border=0>
 357       <tr>
 358       <td valign='top'>
 359       <b>".$data['Topic']."</b>
 360       </td>
 361       <td width='10%' valign='top'>
 362       <select name='".$post_name."'>";
 363
 364     foreach($choices as $value){
 365       if($data['Default'] == $value){
 366         $result.="\n<option value='".htmlentities($value)."' selected>".htmlentities($value)."</option>";
 367       }else{
 368         $result.="\n<option value='".htmlentities($value)."'>".htmlentities($value)."</option>";
 369       }
 370     }
 371
 372     $result.= "
 373       </select>
 374       </td>
 375       </tr>
 376       <tr>
 377       <td colspan=2>".$data['Description']."
 378       </td>
 379       </tr>
 380       </table>";
 381           $result.= "<p class='seperator'>&nbsp;</p>";
 382
 383     return ($result);
 384   }
 385
 386
 387   function render_string($data)
 388   {
 389     $result=  "<table width='100%' border=0>
 390                 <tr>
 391                   <td valign='top'>
 392                     <b>".$data['Topic']."</b>&nbsp;
 393                   </td>
 394                   <td width='10%'>
 395                     <input type='text' name='".$data['post_name']."' value='".$data['Default']."'>
 396                   </td>
 397                 </tr>
 398                 <tr>
 399                   <td colspan='2'>
 400                       ".$data['Description']."
 401                   </td>
 402                 </tr>
 403               </td></table>";
 404           $result.= "<p class='seperator'>&nbsp;</p>";
 405
 406     return ($result);
 407   }
 408
 409
 410   function render_text($data)
 411   {
 412     /* Ignore text messages, they are normally used for status hints. */
 413     return ("");
 414   }
 415
 416
 417   function render_title($data)
 418   {
 419     /* Ignore text messages, they are normally used for status hints. */
 420     return ("");
 421   }
 422
 423 }
 424
 425 # Example:
 426 #$debconf= new debconf("libnss-ldap", "de");
 427 #echo $debconf->get_dialog();
 428
 429 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 430 ?>