X-Git-Url: http://git.shiar.net/minimedit.git/blobdiff_plain/234326791b1e8177eb475bffc5956d7086cfac4e..c651a52a158ad0ab99ca837dc1f661e4d8be5ae7:/article.inc.php

diff --git a/article.inc.php b/article.inc.php
index c6f3be9..53102ba 100644
--- a/article.inc.php
+++ b/article.inc.php
@@ -16,33 +16,68 @@ function showdate($parts)
 
 class ArchiveArticle
 {
+	public $raw, $preface, $title, $body;
+	public $meta = [];
+
 	function __construct($path)
 	{
-		$this->page = $path;
-		$this->link = preg_replace('{(?:/index)?\.html$}', '', $path);
+		$this->page = preg_replace('{^\.(?:/|$)}', '', $path);
+		$this->link = preg_replace('{(?:/index)?\.html$}', '', $this->page);
+		$this->raw($this->page);
 	}
 
-	function __get($col)
+	function raw($page)
 	{
-		return $this->$col = $this->$col();  # run method and cache
+		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], $meta[2]); # [property => content]
+		}
+
+		@list ($this->preface, $this->title, $this->body) =
+			preg_split('{<h2>(.*?)</h2>\s*}s', $this->raw, 2, PREG_SPLIT_DELIM_CAPTURE);
 	}
 
-	function file()
+	function __get($col)
 	{
-		if (!file_exists($this->page)) return;
-		return fopen($this->page, 'r');
+		return $this->$col = $this->$col();  # run method and cache
 	}
 
-	function title()
+	function handler()
 	{
-		return preg_replace('{<h2>(.*)</h2>\s*}', '\1', fgets($this->file));
+		$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 safetitle()
 	{
-		return trim(strip_tags($this->title));
+		return trim($this->meta['og:title'] ?? strip_tags($this->title));
 	}
-
 	function name()
 	{
 		return $this->safetitle ?: $this->link;
@@ -52,7 +87,6 @@ class ArchiveArticle
 	{
 		return filemtime($this->page);
 	}
-
 	function lastiso()
 	{
 		return date(DATE_ATOM, $this->last);
@@ -64,35 +98,49 @@ class ArchiveArticle
 		array_shift($ymd);
 		return $ymd;
 	}
-
 	function dateiso()
 	{
 		return implode('-', $this->dateparts()) . 'T12:00:00+02:00';
 	}
-
 	function date()
 	{
 		return showdate($this->dateparts);
 	}
 
-	function body()
+	function story()
 	{
-		$this->title;
-		$rest = fread($this->file, filesize($this->page));
 		if ( preg_match('{
-			\n (?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
-		}x', $rest, $img, PREG_OFFSET_CAPTURE) ) {
+			(?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
+		}x', $this->body, $img, PREG_OFFSET_CAPTURE) ) {
+			# strip part after matching divider (image)
 			if (isset($img[1])) {
 				$this->img = $img[1][0];
 			}
-			return substr($rest, 0, $img[0][1]);
+			return substr($this->body, 0, $img[0][1]);
 		}
-		return $rest;
+		return $this->body;
 	}
 
 	function teaser()
 	{
-		if (preg_match('{<p>(.*?)</p>}s', $this->body, $bodyp)) {
+		if ($override = @$this->meta['og:description']) {
+			# prefer specific page description if found in metadata
+			return $override;
+		}
+
+		if (preg_match('{
+			</h2> (?: \s+ | <p\sclass="nav\b.*?</p> | <div[^>]*> )* <p> \s* (.*?) </p>
+		}sx', $this->raw, $bodyp, PREG_OFFSET_CAPTURE)) {
+			# fallback paragraph contents following the page header
+			if ($bodyp[1][1] < 512) {
+				return $bodyp[1][0];
+			}
+		}
+
+		# starting paragraph for documents without title (assumed simple/partial)
+		if (strpos($this->raw, '<h2') === FALSE and preg_match('{
+			\A (?: <div [^>]*> \s* )* <p> \s* (.*?) </p>
+		}sx', $this->raw, $bodyp)) {
 			return $bodyp[1];
 		}
 	}
@@ -100,17 +148,20 @@ class ArchiveArticle
 	function img()
 	{
 		$this->img = NULL;
-		$this->body;
+		$this->story;
 		return $this->img;
 	}
-
 	function image()
 	{
+		if ($override = @$this->meta['og:image']) {
+			# prefer specific page image if found in metadata
+			return $override;
+		}
+
 		if ( preg_match('/\bsrc="([^"]*)"/', $this->img, $src) ) {
 			return $src[1];
 		}
 	}
-
 	function thumb($size = '300x')
 	{
 		if (!$this->image or $this->image[0] !== '/') return;
@@ -120,3 +171,41 @@ class ArchiveArticle
 		);
 	}
 }
+
+class PageSearch
+{
+	function __construct($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;
+	}
+}