- Added a new simple template system: Hooks + IT = HIT.

[software/bife/bife-all.git] / src / BIFE / Parser.php

diff --git a/src/BIFE/Parser.php b/src/BIFE/Parser.php
index 001c76eb9fb337b82b85e666be10be51ea2664cc..bf9632626a5f523de86227521254ea0b57ecf406 100644 (file)
--- a/src/BIFE/Parser.php
+++ b/src/BIFE/Parser.php
@@ -34,12 +34,12 @@
  */
 class BIFE_Parser {
     /**
-     * Output string.
+     * Top level widget.
      *
-     * @var    string $output
+     * @var    BIFE_Widget $root
      * @access public
      */
-    var $output;
+    var $root;
 
     /**
      * XML parser resource.
@@ -50,20 +50,18 @@ class BIFE_Parser {
     var $parser;
 
     /**
-     * Template to use to render the parsed file.
+     * BIFE widgets stack.
      *
-     * @var    HTML_Template_Sigma $template
+     * @var    array $stack
      * @access public
      */
-    var $template;
+    var $stack;
 
     /**
-     * BIFE widgets stack.
-     *
-     * @var    array $stack
+     * @var    string $fallback
      * @access public
      */
-    var $stack;
+    var $fallback;
 
     // ~X2C
 
@@ -71,14 +69,14 @@ class BIFE_Parser {
     /**
      * Constructor.
      *
-     * @param  HTML_Template_Sigma &$template Template to use to render the widgets.
+     * @param  string $fallback Fallback class name (none if empty).
      *
      * @return void
      * @access public
      */
-    function BIFE_Parser(&$template) // ~X2C
+    function BIFE_Parser($fallback = '') // ~X2C
     {
-        $this->__construct($template);
+        $this->__construct($fallback);
     }
     // -X2C
 
@@ -86,17 +84,17 @@ class BIFE_Parser {
     /**
      * Constructor.
      *
-     * @param  HTML_Template_Sigma &$template Template to use to render the widgets.
+     * @param  string $fallback Fallback class name (none if empty).
      *
      * @return void
      * @access public
      */
-    function __construct(&$template) // ~X2C
+    function __construct($fallback = '') // ~X2C
     {
         $this->stack    = array();
-        $this->output   = '';
+        $this->root     = null;
         $this->parser   = xml_parser_create();
-        $this->template =& $template;
+        $this->fallback = $fallback;
         xml_set_object($this->parser, $this);
         xml_set_element_handler($this->parser, 'startElement', 'endElement');
         xml_set_character_data_handler($this->parser, 'characterData');
@@ -131,7 +129,7 @@ class BIFE_Parser {
     {
         $class = "BIFE_$name";
         if (!class_exists($class)) {
-            include_once 'BIFE/' . ucfirst(strtolower($name)) . '.php';
+            @include_once 'BIFE/' . ucfirst(strtolower($name)) . '.php';
         }
         if (class_exists($class)) {
             $obj =& new $class($attrs);
@@ -140,7 +138,16 @@ class BIFE_Parser {
             }
             $this->stack[] =& $obj;
         } else {
-            trigger_error("Class not found '$class'.", E_USER_ERROR);
+            if ($this->fallback) {
+                $class = $this->fallback;
+                $obj =& new $class($name, $attrs);
+                if (!is_a($obj, 'bife_fallback')) {
+                    trigger_error("Class '$class' is not a BIFE_Fallback.", E_USER_WARNING);
+                }
+                $this->stack[] =& $obj;
+            } else {
+                trigger_error("Class not found '$class'.", E_USER_ERROR);
+            }
         }
     }
     // -X2C
@@ -163,9 +170,9 @@ class BIFE_Parser {
         end($this->stack);
         $parent =& $this->stack[key($this->stack)];
         if ($parent) {
-            $parent->addContents($current->render($this->template));
+            $parent->addContents($current);
         } else {
-            $this->output = $current->render($this->template);
+            $this->root =& $current;
         }
     }
     // -X2C
@@ -214,14 +221,14 @@ class BIFE_Parser {
 
     // +X2C Operation 37
     /**
-     * Parse a XML file returning the rendered output.
+     * Parse a XML file with a complete and valid XML document.
      *
      * @param  string $filename Filename to parse.
      *
-     * @return void
+     * @return &BIFE_Widget
      * @access public
      */
-    function parseFile($filename) // ~X2C
+    function &parseFile($filename) // ~X2C
     {
         if ($fp = @fopen($filename, "r")) {
             while ($data = fread($fp, 4096)) {
@@ -232,22 +239,27 @@ class BIFE_Parser {
                 E_USER_WARNING);
         }
         fclose($fp);
+        return $this->root;
     }
     // -X2C
 
-    // +X2C Operation 38
+
+    // +X2C Operation 74
     /**
-     * Get rendered output.
+     * Parse a XML string with a complete and valid XML document.
+     *
+     * @param  string $data XML data to parse.
      *
-     * @return string
+     * @return &BIFE_Widget
      * @access public
      */
-    function getOutput() // ~X2C
+    function &parseString($data) // ~X2C
     {
-        return $this->output;
+        $this->parse($data, true);
+        return $this->root;
     }
     // -X2C
 
 } // -X2C Class :Parser
 
-?>
\ No newline at end of file
+?>