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metaform: fix download_tar() (stylus not less)
[wfpl.git] / run.php
diff --git a/run.php b/run.php
index c5ae240..a310e3f 100644 (file)
--- a/run.php
+++ b/run.php
@@ -1,23 +1,9 @@
-<?php
+<?php  # Transitional; supports both template APIs
 
-#  Copyright (C) 2006 Jason Woofenden
+#  2006 Public Domain
 #
-#  This file is part of wfpl.
-#
-#  wfpl is free software; you can redistribute it and/or modify it under the
-#  terms of the GNU Lesser General Public License as published by the Free
-#  Software Foundation; either version 2.1 of the License, or (at your option)
-#  any later version.
-#
-#  wfpl is distributed in the hope that it will be useful, but WITHOUT ANY
-#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-#  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
-#  more details.
-#
-#  You should have received a copy of the GNU Lesser General Public License
-#  along with wfpl; if not, write to the Free Software Foundation, Inc., 51
-#  Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-
+#  This file was placed into the public domain on November 16th, 2008 by its
+#  sole author Jason Woofenden
 
 # This file facilitates making a site with mixed PHP and html files. All URLs
 # have the .html extension. One benefit of this is that you can change static
@@ -59,69 +45,126 @@ require_once('code/wfpl/file_run.php');
 require_once('code/wfpl/http.php');
 require_once('code/wfpl/template.php');
 
-function run_php($basename = false) {
-       if(!$basename) {
+if(file_exists('code/config.php')) {
+       file_run('code/config.php');
+}
+
+# pass the basename of the page you want for normal execution
+# pass ./page.html to redirect to page.html in this directory
+# pass http://foo.com/bar.html to redirect to a full directory
+function run_php($dest = false) {
+       if($dest) {
+               # if it has a : it must be a full URL, redirect
+               if(strpos($dest, ':')) {
+                       redirect($dest);
+                       exit();
+               }
+
+               # if it starts with './' then it's a relative URL, redirect
+               if(substr($dest, 0, 2) == './') {
+                       redirect(ereg_replace('/[^/]*$', substr($dest, 1), this_url()));
+                       exit();
+               }
+
+               # otherwise, it's a normal basename, display that content
+               $basename = $dest;
+
+       } else { # no dest arg
                $basename = $_SERVER['REDIRECT_URL'];
                $basename = ereg_replace('.*/', '', $basename);
-               $basename = ereg_replace('\.html$', '', $basename);
+               $basename = ereg_replace('\.html?$', '', $basename);
                if($basename == '') {
                        $basename = 'index';
                }
        }
 
+       $GLOBALS['wfpl_basename'] = $basename;
+
        $html_file = "$basename.html";
        $php_file = "$basename.php";
 
-       if(!file_exists($php_file)) {
-               if(file_exists($html_file)) {
-                       readfile($html_file);
+       $html_exists = file_exists($html_file);
+       $php_exists = file_exists($php_file);
+
+       if(file_exists('template.html')) {
+               $GLOBALS['wfpl_main_template'] = new tem();
+               $GLOBALS['wfpl_main_template']->load("template.html");
+               $GLOBALS['wfpl_main_template']->set('$basename', $basename);
+       }
+
+       # cms_get can return one of:
+       # 1) true to indicate that there is cms content (so no 404)
+       # 2) false to indicate that there's no cms content for this basename
+       # 3) a string to indicate a soft/full redirect just as foo_main()
+       if(function_exists('cms_display')) {
+               $cms_content = cms_display($basename, $GLOBALS['wfpl_main_template']);
+               if(is_string($cms_content)) {
+                       run_php($cms_content);
+                       return;
+               }
+       } else {
+               $cms_content = false;
+       }
+
+       if(!$php_exists && !$html_exists && !$cms_content) {
+               header('HTTP/1.0 404 File Not Found');
+               if(file_exists('error_404.php') || file_exists('error_404.html')) {
+                       $GLOBALS['error_basename'] = $basename;
+                       run_php('error_404');
+                       return;
                } else {
-                       header('HTTP/1.0 404 File Not Found');
-                       if(file_exists('404.php') || file_exists('404.html')) {
-                               run_php('404');
-                       } else {
-                               echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html><head><title>404</title></head><body><h1>404 File Not Found</h1></body></html>';
-                       }
+                       echo '<!DOCTYPE html><html><head><title>404</title></head><body><h1>404 File Not Found</h1></body></html>';
+                       exit();
                }
+       }
+
+       # If there's no template.html we don't want to parse $html_file.
+       if($html_exists && !$php_exists && !file_exists('template.html')) {
+               readfile($html_file);
                exit();
        }
 
-       if(file_exists($html_file)) {
-               $GLOBALS['wfpl_template'] = new tem();
-               tem_load($html_file);
+       if($html_exists) {
+               tem_load_new($html_file);
        }
 
-       # files can return a basename or URL of a page to be run/displayed
-       $other = file_run($php_file);
-       if($other) {
-               if(strpos($other, ':')) {
-                       redirect($other);
-                       exit();
+       if($php_exists) {
+               # files can return a basename or URL of a page to be run/displayed
+               $other = file_run($php_file);
+               if($other) {
+                       run_php($other);
+                       return;
+               }
+       } elseif($html_exists) {
+               $sub_names = tem_top_sub_names();
+               foreach($sub_names as $sub_name) {
+                       tem_sub($sub_name);
                }
-               run_php($other);
-               return;
        }
 
-       if($GLOBALS['wfpl_template']) {
-               if(file_exists('template.html')) {
-                       $tem = new tem();
-                       $tem->load("template.html");
-                       $sections = tem_top_subs();
-                       if($sections) foreach($sections as $name => $val) {
-                               $tem->set($name, $val);
-                       }
-
-                       if(file_exists("$basename.css")) {
-                               $tem->set('css_link', "$basename.css");
-                               $tem->sub('css_links');
+       # Check for $GLOBALS['wfpl_template'] because it might have been set (or unset) by the php script.
+       if($GLOBALS['wfpl_template'] || $GLOBALS['wfpl_main_template']) {
+               if($GLOBALS['wfpl_main_template']) {
+                       # if there was a template for that page, and one for the whole
+                       # site, copy all template sections that have been show()n to the
+                       # site-wide template
+                       if($GLOBALS['wfpl_template']) {
+                               $GLOBALS['wfpl_main_template']->merge($GLOBALS['wfpl_template']);
                        }
 
-                       $GLOBALS['wfpl_template'] = $tem;
+                       $GLOBALS['wfpl_template'] = $GLOBALS['wfpl_main_template'];
                }
 
+
+               # You'll probably want to require_once('code/wfpl/messages.php') or
+               # require_once('code/wfpl/session_messages.php') in code/config.php
                if(function_exists('display_messages')) {
+                       if(function_exists('atexit_now')) {
+                               atexit_now();
+                       }
                        display_messages();
                }
+
                tem_output();
        }
 }