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-rw-r--r--include/config_default.inc.php9
-rw-r--r--include/template.class.php86
2 files changed, 88 insertions, 7 deletions
diff --git a/include/config_default.inc.php b/include/config_default.inc.php
index 7a2fcdea8..5d2e77aa3 100644
--- a/include/config_default.inc.php
+++ b/include/config_default.inc.php
@@ -690,4 +690,11 @@ $conf['light_slideshow'] = true;
// the local data directory is used to store data such as compiled templates
// or other plugin variables etc
$conf['local_data_dir'] = dirname(dirname(__FILE__)).'/_data';
-?>
+
+// if true, some language strings are replaced during template compilation
+// (insted of template output). this results in better performance. however
+// any change in the language file will not be propagated until you purge
+// the compiled templates from the admin / maintenance menu
+$conf['compiled_template_cache_language'] = false;
+
+?> \ No newline at end of file
diff --git a/include/template.class.php b/include/template.class.php
index 9982b76f7..1fd3c94ac 100644
--- a/include/template.class.php
+++ b/include/template.class.php
@@ -43,13 +43,15 @@ class Template {
// Hash of filenames for each template handle.
var $files = array();
+ // used by html_head smarty block to add content before </head>
+ var $html_head_elements = array();
+
function Template($root = ".", $theme= "")
{
global $conf;
$this->smarty = new Smarty;
$this->smarty->debugging = $conf['debug_template'];
- //$this->smarty->force_compile = true;
if ( isset($conf['compiled_template_dir'] ) )
{
@@ -76,6 +78,11 @@ class Template {
$this->smarty->assign_by_ref( 'pwg', new PwgTemplateAdapter() );
$this->smarty->register_modifier( 'translate', array('Template', 'mod_translate') );
$this->smarty->register_modifier( 'explode', array('Template', 'mod_explode') );
+ $this->smarty->register_block('html_head', array(&$this, 'block_html_head') );
+ if ( $conf['compiled_template_cache_language'] )
+ {
+ $this->smarty->register_prefilter( array(&$this, 'prefilter_language') );
+ }
if ( !empty($theme) )
{
@@ -95,7 +102,7 @@ class Template {
$real_dir = realpath($dir);
$compile_id = crc32( $real_dir===false ? $dir : $real_dir);
- $this->smarty->compile_id = sprintf('%08X', $compile_id );
+ $this->smarty->compile_id = base_convert($compile_id, 10, 36 );
}
/**
@@ -223,7 +230,21 @@ class Template {
$this->smarty->assign( 'ROOT_URL', get_root_url() );
$this->smarty->assign( 'TAG_INPUT_ENABLED',
((is_adviser()) ? 'disabled="disabled" onclick="return false;"' : ''));
+
+ global $conf, $lang_info;
+ if ( $conf['compiled_template_cache_language'] and isset($lang_info['code']) )
+ {
+ $save_compile_id = $this->smarty->compile_id;
+ $this->smarty->compile_id .= '.'.$lang_info['code'];
+ }
+
$v = $this->smarty->fetch($this->files[$handle], null, null, false);
+
+ if (isset ($save_compile_id) )
+ {
+ $this->smarty->compile_id = $save_compile_id;
+ }
+
if ($return)
{
return $v;
@@ -238,19 +259,31 @@ class Template {
function pparse($handle)
{
$this->parse($handle, false);
+ $this->flush();
+ }
+
+ function flush()
+ {
+ if ( count($this->html_head_elements) )
+ {
+ $search = "\n</head>";
+ $pos = strpos( $this->output, $search );
+ if ($pos !== false)
+ {
+ $this->output = substr_replace( $this->output, "\n".implode( "\n", $this->html_head_elements ), $pos, 0 );
+ } //else maybe error or warning ?
+ $this->html_head_elements = array();
+ }
echo $this->output;
$this->output='';
-
}
-
/** flushes the output */
function p()
{
$start = get_moment();
- echo $this->output;
- $this->output='';
+ $this->flush();
if ($this->smarty->debugging)
{
@@ -283,6 +316,47 @@ class Template {
{
return explode($delimiter, $text);
}
+
+ /**
+ * This smarty "html_head" block allows to add content just before
+ * </head> element in the output after the head has been parsed. This is
+ * handy in order to respect strict standards when <style> and <link>
+ * html elements must appear in the <head> element
+ */
+ function block_html_head($params, $content, &$smarty, &$repeat)
+ {
+ $content = trim($content);
+ if ( !empty($content) )
+ { // second call
+ if ( empty($this->output) )
+ {//page header not parsed yet
+ $this->append('head_elements', $content);
+ }
+ else
+ {
+ $this->html_head_elements[] = $content;
+ }
+ }
+ }
+
+ /**
+ * Smarty prefilter to allow caching (whenever possible) language strings
+ * from templates.
+ */
+ function prefilter_language($source, &$smarty)
+ {
+ global $lang;
+ $ldq = preg_quote($this->smarty->left_delimiter, '~');
+ $rdq = preg_quote($this->smarty->right_delimiter, '~');
+
+ $regex = "~$ldq *\'([^'$]+)\'\|@translate *$rdq~";
+ $source = preg_replace( $regex.'e', 'isset($lang[\'$1\']) ? $lang[\'$1\'] : \'$0\'', $source);
+
+ $regex = "~$ldq *\'([^'$]+)\'\|@translate\|~";
+ $source = preg_replace( $regex.'e', 'isset($lang[\'$1\']) ? \'{\'.var_export($lang[\'$1\'],true).\'|\' : \'$0\'', $source);
+
+ return $source;
+ }
}
/**