git.sesse.net Git - xml-template/blob - xml-template.php

   1 <?php
   2
   3 function XML_Template_process_file($filename, $obj, $clean = 1)
   4 {
   5         $doc = domxml_open_file($filename);
   6         XML_Template_process($doc, $obj, $clean);
   7         return $doc;
   8 }
   9
  10 function XML_Template_process($node, $obj, $clean = 1)
  11 {
  12         if (!is_array($obj)) {                                # overwrite
  13                 foreach ($node->child_nodes() as $child) {
  14                         $node->remove_child($child);
  15                 }
  16                 $doc = $node->owner_document();
  17                 $node->add_child($doc->create_text_node($obj));
  18         # handle overwrite with a DOM object here
  19         } else if (is_associative_array($obj)) {              # substitute
  20                 foreach ($node->child_nodes() as $child) {
  21                         $processed = false;
  22
  23                         if ($child->node_type() == XML_ELEMENT_NODE) {
  24                                 $tag = $child->node_name();
  25                                 $attrs = $child->attributes();
  26                                 if ($attrs != null) {
  27                                         foreach ($child->attributes() as $attr) {
  28                                                 if ($attr->namespace_uri() == 'http://template.sesse.net/' && $attr->name() == 'id') {
  29                                                         $id = $attr->value();
  30                                                         if ($clean) {
  31                                                                 $child->remove_attribute($attr->name());
  32                                                         }
  33                                                 }
  34                                         }
  35                                 }
  36
  37                                 # check all substitutions to see if we found anything
  38                                 # appropriate
  39                                 foreach (array_keys($obj) as $key) {
  40                                         # FIXME: we would want something like \Q and \E here...
  41                                         if (preg_match('/^' . $tag . '\.(.*)$/', $key, $matches) ||
  42                                             ($id != null && preg_match('/^#' . $id . '\.(.*)$/', $key, $matches))) {
  43                                                 $child->set_attribute($matches[0], $obj[$key]);
  44                                         }
  45
  46                                         if ($processed) {
  47                                                 continue;
  48                                         }
  49                                         if ($key == $tag || ($id != null && $key == ('#'.$id))) {
  50                                                 XML_Template_process($child, $obj[$key], $clean);
  51                                                 $processed = true;
  52                                         }
  53                                 }
  54                         }
  55
  56                         if (!$processed) {
  57                                 XML_Template_process($child, $obj, $clean);
  58                         }
  59                 }
  60         } else {                                                # repeat
  61                 $doc = $node->owner_document();
  62                 $frag = $doc->create_element("temporary-fragment");    # ugh
  63
  64                 foreach ($node->child_nodes() as $child) {
  65                         $frag->append_child($child);
  66                         $node->remove_child($child);
  67                 }
  68
  69                 foreach ($obj as $instance) {
  70                         $newnode = $frag->clone_node(true);
  71                         $node->append_child($newnode);
  72                         XML_Template_process($newnode, $instance, $clean);
  73
  74                         # FIXME: clean
  75                 }
  76
  77                 # remove all the <fragment> tags
  78
  79                 foreach ($node->child_nodes() as $child) {
  80                         if ($child->name() != 'temporary-fragment') {
  81                                 continue;
  82                         }
  83                         foreach ($child->child_nodes() as $child2) {
  84                                 $node->append_child($child2);
  85                         }
  86                         $node->remove_child($child);
  87                 }
  88
  89                 return;
  90         }
  91
  92         # FIXME: clean
  93 }
  94
  95 function is_associative_array($arr)
  96 {
  97         if (!is_array($arr)) {
  98                 return false;
  99         }
 100         $diff = array_diff(range(0, count($arr) - 1), array_keys($arr));
 101         return (count($diff) > 0);
 102 }
 103 ?>