page: replace global variables by $Page object

[minimedit.git] / article.inc.php

diff --git a/article.inc.php b/article.inc.php
index e3a3ee824d1949a7dea0292c86c25a3e143c33be..acd219d164aab81397d9da33ef104148f3e23574 100644 (file)
--- a/article.inc.php
+++ b/article.inc.php
@@ -16,16 +16,35 @@ function showdate($parts)
 
 class ArchiveArticle
 {
-       public $raw, $preface, $title, $body;
+       public $raw, $title, $body; # file contents
+       public $meta = [];  # head metadata properties
 
        function __construct($path)
        {
-               $this->page = $path;
-               $this->link = preg_replace('{(?:/index)?\.html$}', '', $path);
-               if (file_exists($this->page)) {
-                       $this->raw = file_get_contents($this->page);
-                       @list ($this->preface, $this->title, $this->body) =
-                               preg_split('{<h2>(.*?)</h2>\s*}', $this->raw, 2, PREG_SPLIT_DELIM_CAPTURE);
+               $this->page = preg_replace('{^\.(?:/|$)}', '', $path);
+               $this->link = preg_replace('{(?:(?:/|^)index)?\.html$}', '', $this->page);
+               $this->raw($this->page);
+       }
+
+       function raw($page)
+       {
+               if (!file_exists($page)) {
+                       return;
+               }
+               $this->raw = file_get_contents($page);
+
+               if (preg_match_all('{
+                       \G <meta \s+ property="( [^"]+ )" \s+ content="( [^"]* )" > \s*
+               }x', $this->raw, $meta)) {
+                       $matchlen = array_sum(array_map('strlen', $meta[0]));
+                       $this->raw = substr($this->raw, $matchlen); # delete matched contents
+                       $this->meta = array_combine($meta[1], $meta[2]); # [property => content]
+               }
+
+               // find significant contents
+               $this->body = preg_replace('{<aside\b.*?</aside>}s', '', $this->raw);
+               if (preg_match('{<h2>(.*?)</h2>\s*(.*)}s', $this->body, $titlematch)) {
+                       list (, $this->title, $this->body) = $titlematch;
                }
        }
 
@@ -34,9 +53,39 @@ class ArchiveArticle
                return $this->$col = $this->$col();  # run method and cache
        }
 
+       function handler()
+       {
+               $path = $this->link;
+               $this->path = '';
+               $this->restricted = FALSE;
+               while (TRUE) {
+                       if (file_exists("$path/.private")) {
+                               $this->restricted = $path;
+                       }
+
+                       if (file_exists("$path/index.php")) {
+                               return $path;
+                       }
+
+                       $up = strrpos($path, '/');
+                       $this->path = substr($path, $up) . $this->path;
+                       $path = substr($path, 0, $up);
+                       if ($up === FALSE) {
+                               break;
+                       }
+               }
+               return;
+       }
+
+       function restricted()
+       {
+               $this->handler;
+               return $this->restricted;
+       }
+
        function safetitle()
        {
-               return trim(strip_tags($this->title));
+               return trim($this->meta['og:title'] ?? strip_tags($this->title));
        }
        function name()
        {
@@ -70,7 +119,7 @@ class ArchiveArticle
        function story()
        {
                if ( preg_match('{
-                       \n (?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
+                       (?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
                }x', $this->body, $img, PREG_OFFSET_CAPTURE) ) {
                        # strip part after matching divider (image)
                        if (isset($img[1])) {
@@ -80,22 +129,19 @@ class ArchiveArticle
                }
                return $this->body;
        }
+
        function teaser()
        {
-               if (preg_match('{
-                       <meta \s+ name="description" [^>]* content="([^">]*)"
-               }x', $this->preface, $meta)) {
-                       # prefer specific page description if found (assume before title)
-                       #TODO: strip from body contents
-                       return $meta[1];
+               if ($override = @$this->meta['og:description']) {
+                       # prefer specific page description if found in metadata
+                       return $override;
                }
+
+               # paragraph contents following the page header if any
                if (preg_match('{
-                       </h2> (?: \s+ | <p\sclass="nav\b.*?</p> | <div[^>]*> )* <p> (.*?) </p>
-               }sx', $this->raw, $bodyp, PREG_OFFSET_CAPTURE)) {
-                       # fallback paragraph contents following the page header
-                       if ($bodyp[1][1] < 256) {
-                               return $bodyp[1][0];
-                       }
+                       \G (?> \s+ | <div [^>]*> | \[\[[^]]*\]\] )* <p> \s* (.*?) </p>
+               }sx', $this->body, $bodyp, 0)) {
+                       return $bodyp[1];
                }
        }
 
@@ -107,6 +153,11 @@ class ArchiveArticle
        }
        function image()
        {
+               if ($override = @$this->meta['og:image']) {
+                       # prefer specific page image if found in metadata
+                       return $override;
+               }
+
                if ( preg_match('/\bsrc="([^"]*)"/', $this->img, $src) ) {
                        return $src[1];
                }
@@ -120,3 +171,41 @@ class ArchiveArticle
                );
        }
 }
+
+class PageSearch
+{
+       function __construct($path = '.')
+       {
+               $this->iterator = new RecursiveCallbackFilterIterator(
+                       new RecursiveDirectoryIterator($path),
+                       function ($current) {
+                               if ($current->getFilename()[0] === '.') {
+                                       # skip hidden files and directories
+                                       return FALSE;
+                               }
+                               if ($current->isLink()) {
+                                       # ignore symlinks, original contents only
+                                       return FALSE;
+                               }
+                               if ($current->isDir()) {
+                                       # traverse subdirectories unless untracked in any amount
+                                       return !file_exists("$current/.gitignore");
+                               }
+                               # match **/*.html
+                               return preg_match('/(?<!\.inc)\.html$/', $current->getFilename());
+                       }
+               );
+       }
+
+       function files()
+       {
+               # order alphabetically by link
+               $dir = iterator_to_array(new RecursiveIteratorIterator($this->iterator));
+               array_walk($dir, function (&$row, $name) {
+                       # prepare values for sorting (directory index first)
+                       $row = preg_replace('{/index\.html$}', '', $name);
+               });
+               asort($dir);
+               return $dir;
+       }
+}