Added prelimitary debconf processor

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@1987 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/include/class_debconfTemplate.inc b/include/class_debconfTemplate.inc
new file mode 100644 (file)
index 0000000..5b0bd29
--- /dev/null
+++ b/include/class_debconfTemplate.inc
@@ -0,0 +1,304 @@
+<?php
+
+class debconf
+{
+  var $package= "";
+  var $language= "";
+  var $has_template= FALSE;
+  var $template_directory= "/var/lib/dpkg/info";
+  var $template= array();
+
+
+  function debconf($package= "", $language= "")
+  {
+    $this->set_language($language);
+    $this->set_package($package);
+  }
+
+
+  function set_package($package)
+  {
+    $this->package= $package;
+    return ($this->load());
+  }
+  
+
+  function set_template_directory($directory)
+  {
+    if (is_dir($directory) && is_readable($directory)){
+      $this->template_directory($directory);
+      return TRUE;
+    }
+
+    $this->template_directory= "";
+    return FALSE;
+  }
+
+  
+  function set_language($language)
+  {
+    $this->language= $language;
+  }
+
+
+  function load()
+  {
+    /* Reject requests, if parameters are not set */
+    if ($this->package == "" || $this->template_directory == ""){
+      return (FALSE);
+    }
+
+    /* Try to load package based template file */
+    $filename= preg_replace("/\/+/", "/", $this->template_directory."/".$this->package.".templates");
+    if (is_file($filename) && is_readable($filename)){
+      $this->template= array();
+
+      /* Read template array */
+      $name= "";
+      $langcode= $this->language.".UTF-8";
+      $in_description= FALSE;
+      $got_local_description= FALSE;
+      $fh= fopen($filename, 'r');
+
+      while (!feof($fh)){
+        $line= fgets($fh, 1024);
+
+        /* Reset description flag */
+        if ($in_description && !preg_match("/^ /", $line)){
+          $in_description= FALSE;
+        }
+        
+        /* Template header */
+        if (preg_match("/^Template: /", $line)){
+          $name= trim(preg_replace("/^Template: (.*)$/", "\\1", $line));
+          $this->template[$name]= array();
+          $got_local_description= FALSE;
+          continue;
+        }
+
+        /* Get type */
+        if (preg_match("/^Type: /", $line)){
+          $type= trim(preg_replace("/^Type: (.*)$/", "\\1", $line));
+          $this->template[$name]['Type']= $type;
+          continue;
+        }
+
+        /* Get default */
+        if (preg_match("/^Default: /", $line)){
+          $default= trim(preg_replace("/^Default: (.*)$/", "\\1", $line));
+          $this->template[$name]['Default']= $default;
+          continue;
+        }
+
+        /* Get description */
+        if (!$got_local_description && preg_match("/^Description: /", $line)){
+          $description= trim(preg_replace("/^Description: (.*)$/", "\\1", $line));
+          $this->template[$name]['Topic']= $description;
+          $in_description= TRUE;
+          continue;
+        }
+
+        /* Fill description */
+        if (!$got_local_description && $in_description){
+          $description= preg_replace("/^ (.*)$/", "\\1", $line);
+          $this->template[$name]['Description'].= $description;
+          continue;
+        }
+
+        /* Get local description */
+        if (preg_match("/^Description-$langcode: /", $line)){
+          $description= trim(preg_replace("/^Description-$langcode: (.*)$/", "\\1", $line));
+          $this->template[$name]['Topic']= $description;
+          $in_description= TRUE;
+          $got_local_description= TRUE;
+          $this->template[$name]['Description']= "";
+          continue;
+        }
+
+        /* Fill local description */
+        if ($got_local_description && $in_description){
+          $description= preg_replace("/^ (.*)$/", "\\1", $line);
+          $this->template[$name]['Description'].= $description;
+          continue;
+        }
+
+        /* Get native choices */
+        if (preg_match("/^Choices: /", $line)){
+          $type= trim(preg_replace("/^Choices: (.*)$/", "\\1", $line));
+          $this->template[$name]['Choices']= $type;
+        }
+
+        /* Get local choices */
+        if (preg_match("/^Choices-$langcode: /", $line)){
+          $type= trim(preg_replace("/^Choices-$langcode: (.*)$/", "\\1", $line));
+          $this->template[$name]['Choices-local']= $type;
+        }
+
+      }
+
+      fclose($fh);
+      $this->has_template= TRUE;
+      return (TRUE);
+    }
+
+    $this->has_template= FALSE;
+    return (FALSE);
+  }
+
+
+  function has_template()
+  {
+    return ($has_template);
+  }
+
+
+  function get_dialog()
+  {
+    if ($this->has_template){
+      $result= "";
+
+      foreach ($this->template as $name => $entry){
+
+        $types= array("boolean" => "", "multiselect" => "", "note" => "",
+                      "password" => "", "select" => "", "string" => "", "text" => "", "title" => "");
+        
+        /* Check if type is available */
+        if (isset($types[$entry['Type']])){
+
+          /* Produce type specific output */
+          $fn= "render_".$entry['Type'];
+          $result.= $this->$fn($entry);
+          
+        } else {
+          php_error(E_WARNING, "An unknown type has been specified in the debconf template. Please fix.");
+        }
+      }
+      
+      return ($result);
+    } else {
+      return _("This package has no debconf options.");
+    }
+  }
+
+
+  function render_boolean($data)
+  {
+    $result=  "<table width='100%' border=1>";
+    $result.= "<tr><td valign='top'>";
+    $result.= "<b>".$data['Topic']."</b><br><br>";
+    $result.= $data['Description'];
+    $result.= "</td><td width='10%' valign='top'>O Yes<br>O No</td>";
+    $result.= "</table>";
+
+    return ($result);
+  }
+
+
+  function render_multiselect($data)
+  {
+    if (preg_match('/\$\{/', $data['Choices'])){
+      $choices= "Need to use some text...";
+    } else {
+      $choices= "";
+      foreach (split(", ", $data['Choices']) as $choice){
+        $choices.= "[ ] ".$choice."<br>";
+      }
+    }
+  
+    $result=  "<table width='100%' border=1>";
+    $result.= "<tr><td valign='top'>";
+    $result.= "<b>".$data['Topic']."</b><br><br>";
+    $result.= $data['Description'];
+    $result.= "</td><td width='30%' valign='top'>$choices</td>";
+    $result.= "</table>";
+
+    return ($result);
+  }
+
+
+  function render_note($data)
+  {
+    /* Ignore notes, they do not makes sense, since we don't get any
+       chance to test entered values... */
+    return ("");
+  }
+
+
+  function render_password($data)
+  {
+    $result=  "<table width='100%' border=1>";
+    $result.= "<tr><td valign='top'>";
+    $result.= "<b>".$data['Topic']."&nbsp;[......................]</b><br><br>";
+    $result.= $data['Description'];
+    $result.= "</td></table>";
+
+    return ($result);
+  }
+
+
+  function render_select($data)
+  {
+    if (preg_match('/\$\{/', $data['Choices'])){
+      $choices= "Need to use some text...";
+    } else {
+      $choices= "";
+      foreach (split(", ", $data['Choices']) as $choice){
+        $choices.= "[ ] ".$choice."<br>";
+      }
+    }
+  
+    $result=  "<table width='100%' border=1>";
+    $result.= "<tr><td valign='top'>";
+    $result.= "<b>".$data['Topic']."</b><br><br>";
+    $result.= $data['Description'];
+    $result.= "</td><td width='30%' valign='top'>$choices</td>";
+    $result.= "</table>";
+
+    return ($result);
+  }
+
+
+  function render_string($data)
+  {
+    $result=  "<table width='100%' border=1>";
+    $result.= "<tr><td valign='top'>";
+    $result.= "<b>".$data['Topic']."&nbsp;[......................]</b><br><br>";
+    $result.= $data['Description'];
+    $result.= "</td></table>";
+
+    return ($result);
+  }
+
+
+  function render_text($data)
+  {
+    /* Ignore text messages, they are normally used for status hints. */
+    return ("");
+  }
+
+
+  function render_title($data)
+  {
+    /* Ignore text messages, they are normally used for status hints. */
+    return ("");
+  }
+
+
+  function get_template_packages()
+  {
+  }
+
+  
+  function set_default($default)
+  {
+  }
+
+
+}
+
+# Example:
+# $debconf= new debconf("xserver-xorg", "de");
+# echo $debconf->get_dialog();
+
+// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
+?>