<?php
// PukiWiki - Yet another WikiWikiWeb clone
-// $Id: link.php,v 1.4 2005/01/29 13:51:44 henoheno Exp $
+// link.php
+// Copyright 2003-2022 PukiWiki Development Team
+// License: GPL v2 or (at your option) any later version
//
// Backlinks / AutoLinks related functions
-/*
- * CACHE_DIR/encode(¥Ú¡¼¥¸Ì¾).ref
- * »²¾È¸µ¥Ú¡¼¥¸Ì¾<tab>AutoLink¤Ë¤è¤ë¥ê¥ó¥¯¤Î¤ß¤Î¤È¤1\n
- * »²¾È¸µ¥Ú¡¼¥¸Ì¾<tab>AutoLink¤Ë¤è¤ë¥ê¥ó¥¯¤Î¤ß¤Î¤È¤1\n
- * ...
- *
- * CACHE_DIR/encode(¥Ú¡¼¥¸Ì¾).rel
- * »²¾ÈÀè¥Ú¡¼¥¸Ì¾<tab>»²¾ÈÀè¥Ú¡¼¥¸Ì¾<tab>...
- */
+// ------------------------------------------------------------
+// DATA STRUCTURE of *.ref and *.rel files
+
+// CACHE_DIR/encode('foobar').ref
+// ---------------------------------
+// Page-name1<tab>0<\n>
+// Page-name2<tab>1<\n>
+// ...
+// Page-nameN<tab>0<\n>
+//
+// 0 = Added when link(s) to 'foobar' added clearly at this page
+// 1 = Added when the sentence 'foobar' found from the page
+// by AutoLink feature
+
+// CACHE_DIR/encode('foobar').rel
+// ---------------------------------
+// Page-name1<tab>Page-name2<tab> ... <tab>Page-nameN
+//
+// List of page-names linked from 'foobar'
+
+// ------------------------------------------------------------
+
-// ¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é´ØÏ¢¥Ú¡¼¥¸¤òÆÀ¤ë
+// データベースから関連ページを得る
function links_get_related_db($page)
{
$ref_name = CACHE_DIR . encode($page) . '.ref';
return $times;
}
-//¥Ú¡¼¥¸¤Î´ØÏ¢¤ò¹¹¿·¤¹¤ë
+//ページの関連を更新する
function links_update($page)
{
if (PKWK_READONLY) return; // Do nothing
if (isset($lines[0]))
$rel_old = explode("\t", rtrim($lines[0]));
}
- $rel_new = array(); // »²¾ÈÀè
- $rel_auto = array(); // ¥ª¡¼¥È¥ê¥ó¥¯¤·¤Æ¤¤¤ë»²¾ÈÀè
+ $rel_new = array(); // 参照先
+ $rel_auto = array(); // オートリンクしている参照先
$links = links_get_objects($page, TRUE);
foreach ($links as $_obj) {
if (! isset($_obj->type) || $_obj->type != 'pagename' ||
- $_obj->name == $page || $_obj->name == '')
+ $_obj->name === $page || $_obj->name == '')
continue;
- if (is_a($_obj, 'Link_autolink')) { // ¹Ôµ·¤¬°¤¤
+ if (is_a($_obj, 'Link_autolink')) { // 行儀が悪い
$rel_auto[] = $_obj->name;
+ } else if (is_a($_obj, 'Link_autoalias')) {
+ $_alias = get_autoalias_right_link($_obj->name);
+ if (is_pagename($_alias)) {
+ $rel_auto[] = $_alias;
+ }
} else {
$rel_new[] = $_obj->name;
}
}
$rel_new = array_unique($rel_new);
- // autolink¤·¤«¸þ¤¤¤Æ¤¤¤Ê¤¤¥Ú¡¼¥¸
+ // autolinkã\81\97ã\81\8bå\90\91ã\81\84ã\81¦ã\81\84ã\81ªã\81\84ã\83\9aã\83¼ã\82¸
$rel_auto = array_diff(array_unique($rel_auto), $rel_new);
- // Á´¤Æ¤Î»²¾ÈÀè¥Ú¡¼¥¸
+ // å\85¨ã\81¦ã\81®å\8f\82ç\85§å\85\88ã\83\9aã\83¼ã\82¸
$rel_new = array_merge($rel_new, $rel_auto);
- // .rel:$page¤¬»²¾È¤·¤Æ¤¤¤ë¥Ú¡¼¥¸¤Î°ìÍ÷
+ // .rel:$pageが参照しているページの一覧
if ($time) {
- // ¥Ú¡¼¥¸¤¬Â¸ºß¤·¤Æ¤¤¤ë
+ // ページが存在している
if (! empty($rel_new)) {
$fp = fopen($rel_file, 'w')
- or die_message('cannot write ' . htmlspecialchars($rel_file));
+ or die_message('cannot write ' . htmlsc($rel_file));
fputs($fp, join("\t", $rel_new));
fclose($fp);
}
}
- // .ref:$_page¤ò»²¾È¤·¤Æ¤¤¤ë¥Ú¡¼¥¸¤Î°ìÍ÷
+ // .ref:$_pageを参照しているページの一覧
links_add($page, array_diff($rel_new, $rel_old), $rel_auto);
links_delete($page, array_diff($rel_old, $rel_new));
- global $WikiName, $autolink, $nowikiname, $search_non_list;
+ global $WikiName, $autolink, $nowikiname;
- // $page¤¬¿·µ¬ºîÀ®¤µ¤ì¤¿¥Ú¡¼¥¸¤Ç¡¢AutoLink¤ÎÂоݤȤʤêÆÀ¤ë¾ì¹ç
+ // $pageが新規作成されたページで、AutoLinkの対象となり得る場合
if ($time && ! $rel_file_exist && $autolink
&& (preg_match("/^$WikiName$/", $page) ? $nowikiname : strlen($page) >= $autolink))
{
- // $page¤ò»²¾È¤·¤Æ¤¤¤½¤¦¤Ê¥Ú¡¼¥¸¤ò°ìÀƹ¹¿·¤¹¤ë(¤ª¤¤)
- $search_non_list = 1;
- $pages = do_search($page, 'AND', TRUE);
+ // $pageを参照していそうなページを一斉更新する(おい)
+ $pages = links_do_search_page($page);
foreach ($pages as $_page) {
- if ($_page != $page)
+ if ($_page !== $page)
links_update($_page);
}
}
$ref_file = CACHE_DIR . encode($page) . '.ref';
- // $page¤¬ºï½ü¤µ¤ì¤¿¤È¤¤Ë¡¢
+ // $pageが削除されたときに、
if (! $time && file_exists($ref_file)) {
foreach (file($ref_file) as $line) {
list($ref_page, $ref_auto) = explode("\t", rtrim($line));
- // $page¤òAutoLink¤Ç¤·¤«»²¾È¤·¤Æ¤¤¤Ê¤¤¥Ú¡¼¥¸¤ò°ìÀƹ¹¿·¤¹¤ë(¤ª¤¤¤ª¤¤)
+ // $pageをAutoLinkでしか参照していないページを一斉更新する(おいおい)
if ($ref_auto)
links_delete($ref_page, array($page));
}
foreach (get_existfiles(CACHE_DIR, '.rel') as $cache)
unlink($cache);
- $pages = get_existpages();
- $ref = array(); // »²¾È¸µ
- $ref_notauto = array();
- foreach ($pages as $page) {
+ $ref = array(); // 参照元
+ foreach (get_existpages() as $page) {
if ($page == $whatsnew) continue;
- $rel = array(); // »²¾ÈÀè
+ $rel = array(); // 参照先
$links = links_get_objects($page);
foreach ($links as $_obj) {
if (! isset($_obj->type) || $_obj->type != 'pagename' ||
- $_obj->name == $page || $_obj->name == '')
+ $_obj->name == $page || $_obj->name == '') {
continue;
-
- $rel[] = $_obj->name;
+ }
+ $_name = $_obj->name;
+ if (is_a($_obj, 'Link_autoalias')) {
+ $_alias = get_autoalias_right_link($_name);
+ if (! is_pagename($_alias)) {
+ continue; // not PageName
+ }
+ $_name = $_alias;
+ }
+ $rel[] = $_name;
+ if (! isset($ref[$_name][$page])) {
+ $ref[$_name][$page] = 1;
+ }
if (! is_a($_obj, 'Link_autolink')) {
- $ref_notauto[$_obj->name][$page] = TRUE;
+ $ref[$_name][$page] = 0;
}
- $ref[$_obj->name][] = $page;
}
$rel = array_unique($rel);
if (! empty($rel)) {
$fp = fopen(CACHE_DIR . encode($page) . '.rel', 'w')
- or die_message('cannot write ' . htmlspecialchars(CACHE_DIR . encode($page) . '.rel'));
+ or die_message('cannot write ' . htmlsc(CACHE_DIR . encode($page) . '.rel'));
fputs($fp, join("\t", $rel));
fclose($fp);
}
}
foreach ($ref as $page=>$arr) {
- if (empty($arr)) continue;
-
- $arr = array_unique($arr);
$fp = fopen(CACHE_DIR . encode($page) . '.ref', 'w')
- or die_message('cannot write ' . htmlspecialchars(CACHE_DIR . encode($page) . '.ref'));
- foreach ($arr as $ref_page) {
- $ref_auto = (isset($ref_notauto[$page])
- && isset($ref_notauto[$page][$ref_page])) ? 0 : 1;
- fputs($fp, "$ref_page\t$ref_auto\n");
- }
+ or die_message('cannot write ' . htmlsc(CACHE_DIR . encode($page) . '.ref'));
+ foreach ($arr as $ref_page=>$ref_auto)
+ fputs($fp, $ref_page . "\t" . $ref_auto . "\n");
fclose($fp);
}
}
foreach (file($ref_file) as $line) {
list($ref_page, $ref_auto) = explode("\t", rtrim($line));
if (! $ref_auto) $all_auto = FALSE;
- if ($ref_page != $page) $ref .= $line;
+ if ($ref_page !== $page) $ref .= $line;
}
unlink($ref_file);
}
+ if (! $is_page) {
+ if (! is_pagename_bytes_within_soft_limit($_page)) {
+ continue;
+ }
+ }
if ($is_page || ! $all_auto) {
$fp = fopen($ref_file, 'w')
- or die_message('cannot write ' . htmlspecialchars($ref_file));
+ or die_message('cannot write ' . htmlsc($ref_file));
fputs($fp, $ref);
fclose($fp);
}
$ref = '';
foreach (file($ref_file) as $line) {
list($ref_page, $ref_auto) = explode("\t", rtrim($line));
- if ($ref_page != $page) {
+ if ($ref_page !== $page) {
if (! $ref_auto) $all_auto = FALSE;
$ref .= $line;
}
}
unlink($ref_file);
- if ($is_page && ! $all_auto && $ref != '') {
+ if (($is_page || ! $all_auto) && $ref != '') {
$fp = fopen($ref_file, 'w')
- or die_message('cannot write ' . htmlspecialchars($ref_file));
+ or die_message('cannot write ' . htmlsc($ref_file));
fputs($fp, $ref);
fclose($fp);
}
static $obj;
if (! isset($obj) || $refresh)
- $obj = & new InlineConverter(NULL, array('note'));
+ $obj = new InlineConverter(NULL, array('note'));
+
+ $result = $obj->get_objects(join('', preg_grep('/^(?!\/\/|\s)./', get_source($page))), $page);
+ return $result;
+}
+
+/**
+ * Search function for AutoLink updating
+ *
+ * @param $word page name
+ * @return list of page name that contains $word
+ */
+function links_do_search_page($word)
+{
+ global $whatsnew;
- return $obj->get_objects(join('', preg_grep('/^(?!\/\/|\s)./', get_source($page))), $page);
+ $keys = get_search_words(preg_split('/\s+/', $word, -1, PREG_SPLIT_NO_EMPTY));
+ foreach ($keys as $key=>$value)
+ $keys[$key] = '/' . $value . '/S';
+ $pages = get_existpages();
+ $pages = array_flip($pages);
+ unset($pages[$whatsnew]);
+ $count = count($pages);
+ foreach (array_keys($pages) as $page) {
+ $b_match = FALSE;
+ // Search for page contents
+ foreach ($keys as $key) {
+ $body = get_source($page, TRUE, TRUE, TRUE);
+ $b_match = preg_match($key, remove_author_header($body));
+ if (! $b_match) break; // OR
+ }
+ if ($b_match) continue;
+ unset($pages[$page]); // Miss
+ }
+ return array_keys($pages);
}
-?>
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