From 91421a7124bb31894787d62833e8968f8b37773f Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Fri, 10 Feb 2006 00:54:16 +0000
Subject: [PATCH] get_page_by_path.  Some page uri cleanups.

git-svn-id: https://develop.svn.wordpress.org/trunk@3511 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/classes.php        | 16 ++--------------
 wp-includes/functions-post.php | 16 ++++++++--------
 wp-includes/functions.php      | 30 ++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 22 deletions(-)

diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 7567486eb4..deffcc787f 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -367,23 +367,11 @@ class WP_Query {
 			$q['name'] = sanitize_title($q['name']);
 			$where .= " AND post_name = '" . $q['name'] . "'";
 		} else if ('' != $q['pagename']) {
+			$reqpage = get_page_by_path($q['pagename']);
 			$q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename'])));
 			$page_paths = '/' . trim($q['pagename'], '/');
 			$q['pagename'] = sanitize_title(basename($page_paths));
 			$q['name'] = $q['pagename'];
-			$page_paths = explode('/', $page_paths);
-			foreach($page_paths as $pathdir)
-				$page_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
-				
-			$all_page_ids = get_all_page_ids();
-			$reqpage = 0;
-			if (is_array($all_page_ids)) { foreach ( $all_page_ids as $page_id ) {
-				$page = get_page($page_id);
-				if ( $page->fullpath == $page_path ) {
-					$reqpage = $page_id;
-					break;
-				}
-			} }
 			
 			$where .= " AND (ID = '$reqpage')";
 		} elseif ('' != $q['attachment']) {
@@ -1412,7 +1400,7 @@ class WP_Rewrite {
 	}
 
 	function flush_rules() {
-		generate_page_rewrite_rules();
+		generate_page_uri_index();
 		delete_option('rewrite_rules');
 		$this->wp_rewrite_rules();
 		if ( function_exists('save_mod_rewrite_rules') )
diff --git a/wp-includes/functions-post.php b/wp-includes/functions-post.php
index 14fefe71d6..bee7d0e342 100644
--- a/wp-includes/functions-post.php
+++ b/wp-includes/functions-post.php
@@ -792,7 +792,7 @@ function get_page_hierarchy($posts, $parent = 0) {
 	return $result;
 }
 
-function generate_page_rewrite_rules() {
+function generate_page_uri_index() {
 	global $wpdb;
 	
 	//get pages in order of hierarchy, i.e. children after parents
@@ -800,8 +800,8 @@ function generate_page_rewrite_rules() {
 	//now reverse it, because we need parents after children for rewrite rules to work properly
 	$posts = array_reverse($posts, true);
 
-	$page_rewrite_rules = array();
-	$page_attachment_rewrite_rules = array();
+	$page_uris = array();
+	$page_attachment_uris = array();
 
 	if ($posts) {
 		
@@ -813,17 +813,17 @@ function generate_page_rewrite_rules() {
 			if ( $attachments ) {
 				foreach ( $attachments as $attachment ) {
 					$attach_uri = get_page_uri($attachment->ID);
-					$page_attachment_rewrite_rules[$attach_uri] = $attachment->post_name;
+					$page_attachment_uris[$attach_uri] = $attachment->ID;
 				}
 			}
 
-			$page_rewrite_rules[$uri] = $post;
+			$page_uris[$uri] = $id;
 		}
 
-		update_option('page_uris', $page_rewrite_rules);
+		update_option('page_uris', $page_uris);
 		
-		if ( $page_attachment_rewrite_rules )
-			update_option('page_attachment_uris', $page_attachment_rewrite_rules);
+		if ( $page_attachment_uris )
+			update_option('page_attachment_uris', $page_attachment_uris);
 	}
 }
 
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index e065e1ea14..7b6c30afe4 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -665,6 +665,36 @@ function set_page_path($page) {
 	return $page;
 }
 
+function get_page_by_path($page_path) {
+	global $wpdb;
+
+	$page_path = str_replace('%2F', '/', urlencode(urldecode($page_path)));
+	$page_paths = '/' . trim($page_path, '/');
+	$leaf_path  = sanitize_title(basename($page_paths));
+	$page_paths = explode('/', $page_paths);
+	foreach($page_paths as $pathdir)
+		$full_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
+
+	$pages = $wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_name = '$leaf_path'");
+
+	if ( empty($pages) ) 
+		return 0;
+
+	foreach ($pages as $page) {
+		$path = '/' . $leaf_path;
+		$curpage = $page;
+		while ($curpage->post_parent != 0) {
+			$curpage = $wpdb->get_row("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE ID = '$curpage->post_parent'");
+			$path = '/' . $curpage->post_name . $path;
+		}
+
+		if ( $path == $full_path )
+			return $page->ID;
+	}
+
+	return 0;
+}
+
 // Retrieves page data given a page ID or page object.
 // Handles page caching.
 function &get_page(&$page, $output = OBJECT) {