From cf3752e80273d93964305e43481fabc370888a47 Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Thu, 8 Jul 2010 18:51:34 +0000
Subject: Pulled ECML regex into a constant. Added ecml_get_keywords(),
 ecml_parse_string(), ecml_extract_keywords(), ecml_get_keyword_info(). Added
 callback for resolving ECML given an embed code / URL. Removed unused page
 setup hook. Added web services support. Updated docs.

git-svn-id: http://code.elgg.org/elgg/trunk@6664 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 mod/ecml/ecml_functions.php | 69 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

(limited to 'mod/ecml/ecml_functions.php')

diff --git a/mod/ecml/ecml_functions.php b/mod/ecml/ecml_functions.php
index eba8460b2..a4ec8be4f 100644
--- a/mod/ecml/ecml_functions.php
+++ b/mod/ecml/ecml_functions.php
@@ -9,6 +9,39 @@
  * @link http://elgg.org/
  */
 
+/**
+ * Parses a string for ECML.
+ * 
+ * @param string $string
+ * @return string $string with ECML replaced by HTML.
+ */
+function ecml_parse_string($string, $view = NULL) {
+	global $CONFIG;
+	
+	$CONFIG->ecml_current_view = $view;
+	
+	return preg_replace_callback(ECML_KEYWORD_REGEX, 'ecml_parse_view_match', $string);
+}
+
+/**
+ * Returns ECML-style keywords found in $string.
+ * Doesn't validate them.
+ * Returns an array of keyword => arguments
+ * 
+ * @param string $string
+ * @return array
+ */
+function ecml_extract_keywords($string) {
+	$return = array();
+		
+	if (preg_match_all(ECML_KEYWORD_REGEX, $string, $matches)) {
+		foreach ($matches[1] as $i => $keyword) {
+			$return[] = array('keyword' => $keyword, 'params' => $matches[2][$i]);
+		}
+	}
+	
+	return $return;
+}
 
 /**
  * Parse ECML keywords
@@ -204,6 +237,11 @@ function ecml_is_valid_keyword($keyword, $view = NULL) {
 	if (!isset($CONFIG->ecml_keywords[$keyword])) {
 		return FALSE;
 	}
+	
+	// don't check against views. Already know it's a real one.
+	if (!$view) {
+		return TRUE;
+	}
 
 	// this keyword is restricted to certain views
 	if (isset($CONFIG->ecml_keywords[$keyword]['restricted'])
@@ -222,3 +260,34 @@ function ecml_is_valid_keyword($keyword, $view = NULL) {
 
 	return $r;
 }
+
+/**
+ * Grab the ECML keywords as saved in $CONFIG or regenerate.
+ */
+function ecml_get_keywords($recache = FALSE) {
+	global $CONFIG;
+	
+	if (isset($CONFIG->ecml_keywords) && !$recache) {
+		return $CONFIG->ecml_keywords;
+	}
+	
+	$keywords = trigger_plugin_hook('get_keywords', 'ecml', NULL, array());
+	$CONFIG->ecml_keywords = $keywords;
+	return $keywords;
+}
+
+/**
+ * Return basic info about the keyword.
+ * 
+ * @param string $keyword
+ * @return array
+ */
+function ecml_get_keyword_info($keyword) {
+	global $CONFIG;
+	
+	if (isset($CONFIG->ecml_keywords[$keyword])) {
+		return $CONFIG->ecml_keywords[$keyword];
+	}
+	
+	return FALSE;
+}
\ No newline at end of file
-- 
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