ざっくりとインデントを下げた。プラス、pageElement が取れなかった場合、@class="autopagerize_page_element" を検索するようにした。(本家仕様)

git-svn-id: http://svn.coderepos.org/share/lang/javascript/vimperator-plugins/trunk@26828 d0d07461-0603-4401-acd4-de1884942a52

1 files changed, 431 insertions, 427 deletions

diff --git a/nextlink.js b/nextlink.js
index d2ed69e..01e0119 100644
--- a/nextlink.js
+++ b/nextlink.js
@@ -1,427 +1,431 @@
-// PLUGIN_INFO//{{{

-var PLUGIN_INFO =

-<VimperatorPlugin>

-    <name>nextlink</name>

-    <description>mapping "[[", "]]" by AutoPagerize XPath.</description>

-    <description lang="ja">AutoPagerize 用の XPath より "[[", "]]" をマッピングします。</description>

-    <author mail="suvene@zeromemory.info" homepage="http://zeromemory.sblo.jp/">suVene</author>

-    <version>0.2.4</version>

-    <minVersion>1.2</minVersion>

-    <maxVersion>2.0pre</maxVersion>

-    <detail><![CDATA[

-== NEEDS LIBLARY ==

-- _libly.js(ver.0.1.9)

-  @see http://coderepos.org/share/browser/lang/javascript/vimperator-plugins/trunk/_libly.js

-

-== Option ==

->||

-    let g:nextlink_followlink = "true"

-||<

-と設定することにより、"[[", "]]" の動作は、カレントのタブに新しくページを読み込むようになります。

-

-== Command ==

-:nextlink:

-    autocmd によって呼び出されます。

-

-  ]]></detail>

-</VimperatorPlugin>;

-//}}}

-liberator.plugins.nextlink = (function() {

-    // initialize //{{{

-    if (!liberator.plugins.libly) {

-        liberator.log('nextlink: needs _libly.js');

-        return;

-    }

-

-    var libly = liberator.plugins.libly;

-    var $U = libly.$U;

-    var logger = $U.getLogger('nextlink');

-

-    var isFollowLink = typeof liberator.globalVariables.nextlink_followlink == 'undefined' ?

-                       false : $U.eval(liberator.globalVariables.nextlink_followlink);

-    var pageNaviCss =

-            <style type="text/css"><![CDATA[

-                .vimperator-nextlink-page {

-                    background-color: #555;

-                    color: #fff;

-                    opacity: .85;

-                    padding: 10px;

-                    margin-top: 5px;

-                    margin-bottom: 5px;

-                    height: 1em;

-                    font-weight: bold;

-                    text-align: left;

-                    -moz-border-radius: 5px;

-                }

-                .vimperator-nextlink-page a:link {

-                    color: #EF6D29;

-                }

-                .vimperator-nextlink-page a:visited {

-                    color: #A50000;

-                }

-            ]]></style>;

-    //}}}

-

-    var NextLink = function() {//{{{

-        this.initialize.apply(this, arguments);

-    };

-    NextLink.prototype = {

-        initialize: function(pager) {

-

-            this.WEDATA_AUTOPAGERIZE = 'http://wedata.net/databases/AutoPagerize/items.json';

-            this.initialized = false;

-            this.isCurOriginalMap = true;

-            this.siteinfo = [];

-            this.cache = {}; // {url: {xpath: xpath, next: element, prev: url}} or null

-            this.pager = pager;

-            this.browserModes = config.browserModes || [modes.NORMAL, modes.VISUAL];

-            this.is2_0later = config.autocommands.some(function ([k, v]) k == 'DOMLoad'); // toriaezu

-

-            var req = new libly.Request(this.WEDATA_AUTOPAGERIZE);

-            req.addEventListener('onSuccess', $U.bind(this,

-                function(res) {

-                    var json = $U.evalJson(res.responseText);

-                    if (!json) return;

-                    this.siteinfo = json.map(function(item) item.data)

-                                    .sort(function(a, b) b.url.length - a.url.length); // sort url.length desc

-                    this.initialized = true;

-                }

-            ));

-            req.get();

-            // for debug

-            /*

-            this.initialized = true;

-            this.siteinfo = [

-                {

-                    url: '^https?://(?:192\\.168(?:\\.\\d+){2}|localhost)(?::\\d+)?/',

-                    nextLink: 'id("next")',

-                    pageElement: '//*'

-                }

-            ];

-            */

-

-            commands.addUserCommand(['nextlink'], 'map ]] by AutoPagerize XPath.',

-                $U.bind(this, function(args) { this.handler(args); }), null, true

-            );

-            var loadEvent = autocommands['DOMLoad'] || 'PageLoad'; // for 1.2

-            liberator.execute(':autocmd! ' + (this.is2_0later ? 'DOMLoad' : 'PageLoad') + ' .* :nextlink onLoad');

-            liberator.execute(':autocmd! LocationChange .* :nextlink onLocationChange');

-        },

-        handler: function(args) {

-            event = args.string || args;

-            this[event](buffer.URL);

-            commandline.echo('');

-        },

-        onLoad: function(url) {

-            if (!this.initialized) return;

-            if (this.cache[url] &&

-                this.cache[url].hasOwnProperty('xpath')) {

-                this.cache[url].doc = window.content.document;

-                this.onLocationChange(url, true);

-                return;

-            }

-

-            for (let i = 0, len = this.siteinfo.length; i < len; i++) {

-                if (url.match(this.siteinfo[i].url) && this.siteinfo[i].url != '^https?://.') {

-                    window.content.addEventListener('unload', $U.bind(this,

-                                function() { this.cache[url] = null; }), false);

-                    this.setCache(url,

-                        ['doc', 'xpath', 'siteinfo'],

-                        [window.content.document, this.siteinfo[i].nextLink, this.siteinfo[i]]

-                    );

-                    this.onLocationChange(url, true);

-                    return;

-                }

-            }

-            this.setCache(url, ['doc', 'xpath', 'prev', 'next'], [null, null, null, null]);

-        },

-        onLocationChange: function(url, isCallerLoaded) {

-

-            if (!this.initialized ||

-                !this.cache[url] ||

-                !this.cache[url].hasOwnProperty('xpath')) return;

-

-            if (this.cache[url]['xpath'] == null) {

-                this.restorOrginalMap();

-                return;

-            }

-

-            this.pager.onLocationChange(this, url, isCallerLoaded);

-            this.customizeMap(this, url);

-            this.isCurOriginalMap = false;

-        },

-        customizeMap: function(context, url) {

-

-            var cache = this.cache[url];

-            var prev = cache.prev;

-            var next = cache.next;

-

-            if (!prev)

-                this.removeMap('[[');

-

-            if (!next)

-                this.removeMap(']]');

-

-            this.pager.customizeMap(context, url, prev, next);

-        },

-        restorOrginalMap: function() {

-

-            if (this.isCurOriginalMap) return;

-            this.removeMap('[[');

-            this.removeMap(']]');

-            this.isCurOriginalMap = true;

-        },

-        setCache: function(key, subKeys, values) {

-            if (!this.cache[key]) this.cache[key] = {};

-            values = [].concat(values);

-            [].concat(subKeys).forEach($U.bind(this, function(subKey, i) {

-                this.cache[key][subKey] = values[i];

-            }));

-        },

-        removeMap: function(cmd) {

-            try {

-                if (mappings.hasMap(this.browserModes, cmd)) {

-                    mappings.remove(this.browserModes, cmd);

-                }

-                return true;

-            } catch (e) {

-                return false;

-            }

-        }

-    };//}}}

-

-    var Autopager = function() {};//{{{

-    Autopager.prototype = {

-        onLocationChange: function(context, url, isCallerLoaded) {

-

-            var cache = context.cache[url];

-            var doc = cache.doc;

-            var elems = cache.next;

-            var elem;

-

-            if (isCallerLoaded) {

-                let insertPoint, lastPageElement;

-

-                if (cache.insertBefore)

-                    insertPoint = $U.getNodesFromXPath(cache.siteinfo.insertBefore, doc);

-

-                if (!insertPoint)

-                    lastPageElement = $U.getNodesFromXPath(cache.siteinfo.pageElement, doc).pop();

-                    if (lastPageElement)

-                        insertPoint = lastPageElement.nextSibling ||

-                                      lastPageElement.parentNode.appendChild(doc.createTextNode(' '));

-

-                if (context.is2_0later) {

-                    let css = $U.xmlToDom(pageNaviCss, doc);

-                    let node = doc.importNode(css, true);

-                    doc.body.insertBefore(node, doc.body.firstChild);

-                    //doc.body.appendChild(css);

-                }

-

-                $U.getNodesFromXPath(cache.xpath, doc, function(item) elem = item, this);

-

-                context.setCache(url,

-                    ['prev', 'next', 'curPage', 'insertPoint', 'terminate', 'lastReqUrl', 'loadedURLs', 'mark'],

-                    [[], [elem], 1, insertPoint, 0, null, {}, []]

-                );

-            }

-        },

-        customizeMap: function(context, url, prev, next) {

-

-            var cache = context.cache[url];

-            var doc = cache.doc;

-

-            mappings.addUserMap(context.browserModes, ['[['], 'customize by nextlink.js',

-                $U.bind(this, function(count) {

-                    if (cache.curPage == 1) {

-                        return;

-                    } else if (--cache.curPage == 1) {

-                        window.content.scrollTo(0, 0);

-                    } else {

-                        this.focusPagenavi(context, url, cache.curPage);

-                    }

-                }),

-                { flags: Mappings.flags.COUNT });

-

-            mappings.addUserMap(context.browserModes, [']]'], 'customize by nextlink.js',

-                $U.bind(this, function(count) {

-                    var reqUrl, lastReqUrl;

-                    reqUrl = $U.pathToURL(cache.next[cache.curPage - 1], doc);

-                    lastReqUrl = cache.lastReqUrl;

-

-                    if (cache.isLoading) {

-                        logger.echo('loading now...');

-                        return;

-                    }

-

-                    if (!reqUrl || cache.curPage == cache.terminate) {

-                        logger.echo('end of pages.');

-                        return;

-                    }

-                    if (cache.loadedURLs[reqUrl]) {

-                        this.focusPagenavi(context, url, ++cache.curPage);

-                        return;

-                    }

-                    context.setCache(url, ['lastReqUrl', 'isLoading'], [reqUrl, true]);

-                    var req = new libly.Request(

-                                    reqUrl, null,

-                                    { asynchronous: true, encoding: doc.characterSet,

-                                      context: context, url: url }

-                                  );

-                    req.addEventListener('onSuccess', $U.bind(this, this.onSuccess));

-                    req.addEventListener('onFailure', $U.bind(this, this.onFailure));

-                    req.addEventListener('onException', $U.bind(this, this.onFailure));

-                    req.get();

-                }),

-                { flags: Mappings.flags.COUNT }

-            );

-        },

-        onSuccess: function(res) {

-

-            var context = res.req.options.context;

-            var url = res.req.options.url;

-            var cache = context.cache[url];

-            var doc = cache.doc;

-            var page = res.getHTMLDocument(cache.siteinfo.pageElement);

-            var htmlDoc = res.doc;

-            var prev = cache.next[cache.curPage];

-            var next = $U.getNodesFromXPath(cache.xpath, htmlDoc);

-

-            cache.isLoading = false;

-            cache.loadedURLs[res.req.url] = true;

-

-            if (!page || page.length < 1) {

-                context.setCache(url, 'terminate', cache.curPage);

-                return;

-            }

-

-            cache.curPage++;

-            if (next && next.length) {

-                cache.prev.push(prev);

-                cache.next.push(next[0]);

-            } else {

-                context.setCache(url, 'terminate', cache.curPage);

-            }

-

-            this.addPage(context, htmlDoc, url, page, res.req.url);

-            this.focusPagenavi(context, url, cache.curPage);

-        },

-        addPage: function(context, doc, url, page, reqUrl) {

-

-            var cache = context.cache[url];

-            var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';

-            //var hr = doc.createElementNS(HTML_NAMESPACE, 'hr');

-            var p = doc.createElementNS(HTML_NAMESPACE, 'p');

-            var tagName;

-

-            if (page[0] && page[0].tagName)

-                tagName = page[0].tagName.toLowerCase();

-

-            if (tagName == 'tr') {

-                let insertParent = cache.insertPoint.parentNode;

-                let colNodes = getElementsByXPath('child::tr[1]/child::*[self::td or self::th]', insertParent);

-

-                let colums = 0;

-                for (let i = 0, l = colNodes.length; i < l; i++) {

-                    let col = colNodes[i].getAttribute('colspan');

-                    colums += parseInt(col, 10) || 1;

-                }

-                let td = doc.createElement('td');

-                // td.appendChild(hr);

-                td.appendChild(p);

-                let tr = doc.createElement('tr');

-                td.setAttribute('colspan', colums);

-                tr.appendChild(td);

-                insertParent.insertBefore(tr, cache.insertPoint);

-            } else if (tagName == 'li') {

-                let li = doc.createElementNS(HTML_NAMESPACE, 'li');

-                cache.insertPoint.parentNode.insertBefore(li, cache.insertPoint);

-                li.appendChild(p);

-            } else {

-                //cache.insertPoint.parentNode.insertBefore(hr, cache.insertPoint);

-                cache.insertPoint.parentNode.insertBefore(p, cache.insertPoint);

-            }

-

-            p.id = 'vimperator-nextlink-' + cache.curPage;

-            p.innerHTML = 'page: <a href="' + reqUrl + '">' + cache.curPage + '</a>';

-            p.className = 'vimperator-nextlink-page';

-            cache.mark.push(p);

-

-            return page.map(function(elem) {

-                var pe = doc.importNode(elem, true);

-                cache.insertPoint.parentNode.insertBefore(pe, cache.insertPoint);

-                return pe;

-            });

-        },

-        onFailure: function(res) {

-            logger.log('onFailure');

-            var context = res.req.options.context;

-            var url = res.req.options.url;

-            var cache = context.cache[url];

-            cache.isLoading = false;

-            logger.echoerr('nextlink: loading failed. ' + '[' + res.status + ']' + res.statusText + ' > ' + res.req.url);

-            res.req.options.context.setCache(res.req.options.url, 'terminate', cache.curPage);

-        },

-        focusPagenavi: function(context, url, page) {

-           var elem, p;

-           try {

-               elem = context.cache[url].mark[page - 2];

-               p = $U.getElementPosition(elem);

-               window.content.scrollTo(0, p.top);

-           } catch (e) {

-               logger.log('focusPagenavi: err ' + page + ' ' + e);

-           }

-       }

-    };//}}}

-

-    var FollowLink = function() {};//{{{

-    FollowLink.prototype = {

-        onLocationChange: function(context, url, isCallerLoaded) {

-

-            var cache = context.cache[url];

-            var doc = cache.doc;

-            var elem;

-

-            //var matches = buffer.evaluateXPath(this.cache[url]);

-            //for each (let match in matches) elem = match;

-            $U.getNodesFromXPath(cache.xpath, doc, function(item) elem = item, this);

-

-            var nextURL = $U.pathToURL(elem, doc);

-            var xpath = ['a', 'link'].map(function(e) 

-                                     '//' + e + '[translate(normalize-space(@rel), "PREV", "prev")="prev"]')

-                                     .join(' | ');

-            var prev = $U.getNodesFromXPath(xpath, doc);

-            if (prev.length)

-                context.setCache(url, 'prev', prev[0]);

-            context.setCache(nextURL, 'prev', url);

-            context.setCache(url, 'next', elem);

-        },

-        customizeMap: function(context, url, prev, next) {

-

-            var cache = context.cache[url];

-            var doc = cache.doc;

-

-            if (prev)

-                mappings.addUserMap(context.browserModes, ['[['], 'customize by nextlink.js',

-                    function(count) {

-                        if (prev.href) {

-                            buffer.followLink(prev, liberator.CURRENT_TAB);

-                        } else {

-                            liberator.open(prev, liberator.CURRENT_TAB);

-                        }

-                    },

-                    { flags: Mappings.flags.COUNT });

-

-            if (next)

-                mappings.addUserMap(context.browserModes, [']]'], 'customize by nextlink.js',

-                    function(count) { buffer.followLink(next, liberator.CURRENT_TAB); },

-                    { flags: Mappings.flags.COUNT });

-        }

-    };//}}}

-

-    var instance = new NextLink((isFollowLink ? new FollowLink() : new Autopager()));

-    return instance;

-

-})();

-// vim: set fdm=marker sw=4 ts=4 sts=0 et:

-

+// PLUGIN_INFO//{{{
+var PLUGIN_INFO =
+<VimperatorPlugin>
+    <name>nextlink</name>
+    <description>mapping "[[", "]]" by AutoPagerize XPath.</description>
+    <description lang="ja">AutoPagerize 用の XPath より "[[", "]]" をマッピングします。</description>
+    <author mail="suvene@zeromemory.info" homepage="http://zeromemory.sblo.jp/">suVene</author>
+    <version>0.2.5</version>
+    <minVersion>1.2</minVersion>
+    <maxVersion>2.0pre</maxVersion>
+    <detail><![CDATA[
+== NEEDS LIBLARY ==
+- _libly.js(ver.0.1.9)
+  @see http://coderepos.org/share/browser/lang/javascript/vimperator-plugins/trunk/_libly.js
+
+== Option ==
+>||
+    let g:nextlink_followlink = "true"
+||<
+と設定することにより、"[[", "]]" の動作は、カレントのタブに新しくページを読み込むようになります。
+
+== Command ==
+:nextlink:
+    autocmd によって呼び出されます。
+
+  ]]></detail>
+</VimperatorPlugin>;
+//}}}
+liberator.plugins.nextlink = (function() {
+
+// initialize //{{{
+if (!liberator.plugins.libly) {
+    liberator.log('nextlink: needs _libly.js');
+    return;
+}
+
+var libly = liberator.plugins.libly;
+var $U = libly.$U;
+var logger = $U.getLogger('nextlink');
+
+var isFollowLink = typeof liberator.globalVariables.nextlink_followlink == 'undefined' ?
+                   false : $U.eval(liberator.globalVariables.nextlink_followlink);
+var pageNaviCss =
+        <style type="text/css"><![CDATA[
+            .vimperator-nextlink-page {
+                background-color: #555;
+                color: #fff;
+                opacity: .85;
+                padding: 10px;
+                margin-top: 5px;
+                margin-bottom: 5px;
+                height: 1em;
+                font-weight: bold;
+                text-align: left;
+                -moz-border-radius: 5px;
+            }
+            .vimperator-nextlink-page a:link {
+                color: #EF6D29;
+            }
+            .vimperator-nextlink-page a:visited {
+                color: #A50000;
+            }
+        ]]></style>;
+//}}}
+
+var NextLink = function() {//{{{
+    this.initialize.apply(this, arguments);
+};
+NextLink.prototype = {
+    initialize: function(pager) {
+
+        this.WEDATA_AUTOPAGERIZE = 'http://wedata.net/databases/AutoPagerize/items.json';
+        this.initialized = false;
+        this.isCurOriginalMap = true;
+        this.siteinfo = [];
+        this.cache = {}; // {url: {xpath: xpath, next: element, prev: url}} or null
+        this.pager = pager;
+        this.browserModes = config.browserModes || [modes.NORMAL, modes.VISUAL];
+        this.is2_0later = config.autocommands.some(function ([k, v]) k == 'DOMLoad'); // toriaezu
+
+        var req = new libly.Request(this.WEDATA_AUTOPAGERIZE);
+        req.addEventListener('onSuccess', $U.bind(this,
+            function(res) {
+                var json = $U.evalJson(res.responseText);
+                if (!json) return;
+                this.siteinfo = json.map(function(item) item.data)
+                                .sort(function(a, b) b.url.length - a.url.length); // sort url.length desc
+                this.initialized = true;
+            }
+        ));
+        req.get();
+        // for debug
+        /*
+        this.initialized = true;
+        this.siteinfo = [
+            {
+                url: '^https?://(?:192\\.168(?:\\.\\d+){2}|localhost)(?::\\d+)?/',
+                nextLink: 'id("next")',
+                pageElement: '//*'
+            }
+        ];
+        */
+
+        commands.addUserCommand(['nextlink'], 'map ]] by AutoPagerize XPath.',
+            $U.bind(this, function(args) { this.handler(args); }), null, true
+        );
+        var loadEvent = autocommands['DOMLoad'] || 'PageLoad'; // for 1.2
+        liberator.execute(':autocmd! ' + (this.is2_0later ? 'DOMLoad' : 'PageLoad') + ' .* :nextlink onLoad');
+        liberator.execute(':autocmd! LocationChange .* :nextlink onLocationChange');
+    },
+    handler: function(args) {
+        event = args.string || args;
+        this[event](buffer.URL);
+        commandline.echo('');
+    },
+    onLoad: function(url) {
+        if (!this.initialized) return;
+        if (this.cache[url] &&
+            this.cache[url].hasOwnProperty('xpath')) {
+            this.cache[url].doc = window.content.document;
+            this.onLocationChange(url, true);
+            return;
+        }
+
+        for (let i = 0, len = this.siteinfo.length; i < len; i++) {
+            if (url.match(this.siteinfo[i].url) && this.siteinfo[i].url != '^https?://.') {
+                window.content.addEventListener('unload', $U.bind(this,
+                            function() { this.cache[url] = null; }), false);
+                this.setCache(url,
+                    ['doc', 'xpath', 'siteinfo'],
+                    [window.content.document, this.siteinfo[i].nextLink, this.siteinfo[i]]
+                );
+                this.onLocationChange(url, true);
+                return;
+            }
+        }
+        this.setCache(url, ['doc', 'xpath', 'prev', 'next'], [null, null, null, null]);
+    },
+    onLocationChange: function(url, isCallerLoaded) {
+
+        if (!this.initialized ||
+            !this.cache[url] ||
+            !this.cache[url].hasOwnProperty('xpath')) return;
+
+        if (this.cache[url]['xpath'] == null) {
+            this.restorOrginalMap();
+            return;
+        }
+
+        this.pager.onLocationChange(this, url, isCallerLoaded);
+        this.customizeMap(this, url);
+        this.isCurOriginalMap = false;
+    },
+    customizeMap: function(context, url) {
+
+        var cache = this.cache[url];
+        var prev = cache.prev;
+        var next = cache.next;
+
+        if (!prev)
+            this.removeMap('[[');
+
+        if (!next)
+            this.removeMap(']]');
+
+        this.pager.customizeMap(context, url, prev, next);
+    },
+    restorOrginalMap: function() {
+
+        if (this.isCurOriginalMap) return;
+        this.removeMap('[[');
+        this.removeMap(']]');
+        this.isCurOriginalMap = true;
+    },
+    setCache: function(key, subKeys, values) {
+        if (!this.cache[key]) this.cache[key] = {};
+        values = [].concat(values);
+        [].concat(subKeys).forEach($U.bind(this, function(subKey, i) {
+            this.cache[key][subKey] = values[i];
+        }));
+    },
+    removeMap: function(cmd) {
+        try {
+            if (mappings.hasMap(this.browserModes, cmd)) {
+                mappings.remove(this.browserModes, cmd);
+            }
+            return true;
+        } catch (e) {
+            return false;
+        }
+    }
+};//}}}
+
+var Autopager = function() {};//{{{
+Autopager.prototype = {
+    onLocationChange: function(context, url, isCallerLoaded) {
+
+        var cache = context.cache[url];
+        var doc = cache.doc;
+        var elems = cache.next;
+        var elem;
+
+        if (isCallerLoaded) {
+            let insertPoint, lastPageElement;
+
+            if (cache.insertBefore)
+                insertPoint = $U.getNodesFromXPath(cache.siteinfo.insertBefore, doc);
+
+            if (!insertPoint)
+                lastPageElement = $U.getNodesFromXPath(cache.siteinfo.pageElement, doc).pop();
+                if (lastPageElement)
+                    insertPoint = lastPageElement.nextSibling ||
+                                  lastPageElement.parentNode.appendChild(doc.createTextNode(' '));
+
+            if (context.is2_0later) {
+                let css = $U.xmlToDom(pageNaviCss, doc);
+                let node = doc.importNode(css, true);
+                doc.body.insertBefore(node, doc.body.firstChild);
+                //doc.body.appendChild(css);
+            }
+
+            $U.getNodesFromXPath(cache.xpath, doc, function(item) elem = item, this);
+
+            context.setCache(url,
+                ['prev', 'next', 'curPage', 'insertPoint', 'terminate', 'lastReqUrl', 'loadedURLs', 'mark'],
+                [[], [elem], 1, insertPoint, 0, null, {}, []]
+            );
+        }
+    },
+    customizeMap: function(context, url, prev, next) {
+
+        var cache = context.cache[url];
+        var doc = cache.doc;
+
+        mappings.addUserMap(context.browserModes, ['[['], 'customize by nextlink.js',
+            $U.bind(this, function(count) {
+                if (cache.curPage == 1) {
+                    return;
+                } else if (--cache.curPage == 1) {
+                    window.content.scrollTo(0, 0);
+                } else {
+                    this.focusPagenavi(context, url, cache.curPage);
+                }
+            }),
+            { flags: Mappings.flags.COUNT });
+
+        mappings.addUserMap(context.browserModes, [']]'], 'customize by nextlink.js',
+            $U.bind(this, function(count) {
+                var reqUrl, lastReqUrl;
+                reqUrl = $U.pathToURL(cache.next[cache.curPage - 1], doc);
+                lastReqUrl = cache.lastReqUrl;
+
+                if (cache.isLoading) {
+                    logger.echo('loading now...');
+                    return;
+                }
+
+                if (!reqUrl || cache.curPage == cache.terminate) {
+                    logger.echo('end of pages.');
+                    return;
+                }
+                if (cache.loadedURLs[reqUrl]) {
+                    this.focusPagenavi(context, url, ++cache.curPage);
+                    return;
+                }
+                context.setCache(url, ['lastReqUrl', 'isLoading'], [reqUrl, true]);
+                var req = new libly.Request(
+                                reqUrl, null,
+                                { asynchronous: true, encoding: doc.characterSet,
+                                  context: context, url: url }
+                              );
+                req.addEventListener('onSuccess', $U.bind(this, this.onSuccess));
+                req.addEventListener('onFailure', $U.bind(this, this.onFailure));
+                req.addEventListener('onException', $U.bind(this, this.onFailure));
+                req.get();
+            }),
+            { flags: Mappings.flags.COUNT }
+        );
+    },
+    onSuccess: function(res) {
+
+        var context = res.req.options.context;
+        var url = res.req.options.url;
+        var cache = context.cache[url];
+        var doc = cache.doc;
+        var page = res.getHTMLDocument(cache.siteinfo.pageElement);
+        var htmlDoc = res.doc;
+        var prev = cache.next[cache.curPage];
+        var next = $U.getNodesFromXPath(cache.xpath, htmlDoc);
+
+        cache.isLoading = false;
+        cache.loadedURLs[res.req.url] = true;
+
+        if (!page || page.length < 1)
+            page = res.getHTMLDocument('//*[contains(@class, "autopagerize_page_element")]');
+
+        if (!page || page.length < 1) {
+            context.setCache(url, 'terminate', cache.curPage);
+            return;
+        }
+
+        cache.curPage++;
+        if (next && next.length) {
+            cache.prev.push(prev);
+            cache.next.push(next[0]);
+        } else {
+            context.setCache(url, 'terminate', cache.curPage);
+        }
+
+        this.addPage(context, htmlDoc, url, page, res.req.url);
+        this.focusPagenavi(context, url, cache.curPage);
+    },
+    addPage: function(context, doc, url, page, reqUrl) {
+
+        var cache = context.cache[url];
+        var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
+        //var hr = doc.createElementNS(HTML_NAMESPACE, 'hr');
+        var p = doc.createElementNS(HTML_NAMESPACE, 'p');
+        var tagName;
+
+        if (page[0] && page[0].tagName)
+            tagName = page[0].tagName.toLowerCase();
+
+        if (tagName == 'tr') {
+            let insertParent = cache.insertPoint.parentNode;
+            let colNodes = getElementsByXPath('child::tr[1]/child::*[self::td or self::th]', insertParent);
+
+            let colums = 0;
+            for (let i = 0, l = colNodes.length; i < l; i++) {
+                let col = colNodes[i].getAttribute('colspan');
+                colums += parseInt(col, 10) || 1;
+            }
+            let td = doc.createElement('td');
+            // td.appendChild(hr);
+            td.appendChild(p);
+            let tr = doc.createElement('tr');
+            td.setAttribute('colspan', colums);
+            tr.appendChild(td);
+            insertParent.insertBefore(tr, cache.insertPoint);
+        } else if (tagName == 'li') {
+            let li = doc.createElementNS(HTML_NAMESPACE, 'li');
+            cache.insertPoint.parentNode.insertBefore(li, cache.insertPoint);
+            li.appendChild(p);
+        } else {
+            //cache.insertPoint.parentNode.insertBefore(hr, cache.insertPoint);
+            cache.insertPoint.parentNode.insertBefore(p, cache.insertPoint);
+        }
+
+        p.id = 'vimperator-nextlink-' + cache.curPage;
+        p.innerHTML = 'page: <a href="' + reqUrl + '">' + cache.curPage + '</a>';
+        p.className = 'vimperator-nextlink-page';
+        cache.mark.push(p);
+
+        return page.map(function(elem) {
+            var pe = doc.importNode(elem, true);
+            cache.insertPoint.parentNode.insertBefore(pe, cache.insertPoint);
+            return pe;
+        });
+    },
+    onFailure: function(res) {
+        logger.log('onFailure');
+        var context = res.req.options.context;
+        var url = res.req.options.url;
+        var cache = context.cache[url];
+        cache.isLoading = false;
+        logger.echoerr('nextlink: loading failed. ' + '[' + res.status + ']' + res.statusText + ' > ' + res.req.url);
+        res.req.options.context.setCache(res.req.options.url, 'terminate', cache.curPage);
+    },
+    focusPagenavi: function(context, url, page) {
+       var elem, p;
+       try {
+           elem = context.cache[url].mark[page - 2];
+           p = $U.getElementPosition(elem);
+           window.content.scrollTo(0, p.top);
+       } catch (e) {
+           logger.log('focusPagenavi: err ' + page + ' ' + e);
+       }
+   }
+};//}}}
+
+var FollowLink = function() {};//{{{
+FollowLink.prototype = {
+    onLocationChange: function(context, url, isCallerLoaded) {
+
+        var cache = context.cache[url];
+        var doc = cache.doc;
+        var elem;
+
+        //var matches = buffer.evaluateXPath(this.cache[url]);
+        //for each (let match in matches) elem = match;
+        $U.getNodesFromXPath(cache.xpath, doc, function(item) elem = item, this);
+
+        var nextURL = $U.pathToURL(elem, doc);
+        var xpath = ['a', 'link'].map(function(e)
+                                 '//' + e + '[translate(normalize-space(@rel), "PREV", "prev")="prev"]')
+                                 .join(' | ');
+        var prev = $U.getNodesFromXPath(xpath, doc);
+        if (prev.length)
+            context.setCache(url, 'prev', prev[0]);
+        context.setCache(nextURL, 'prev', url);
+        context.setCache(url, 'next', elem);
+    },
+    customizeMap: function(context, url, prev, next) {
+
+        var cache = context.cache[url];
+        var doc = cache.doc;
+
+        if (prev)
+            mappings.addUserMap(context.browserModes, ['[['], 'customize by nextlink.js',
+                function(count) {
+                    if (prev.href) {
+                        buffer.followLink(prev, liberator.CURRENT_TAB);
+                    } else {
+                        liberator.open(prev, liberator.CURRENT_TAB);
+                    }
+                },
+                { flags: Mappings.flags.COUNT });
+
+        if (next)
+            mappings.addUserMap(context.browserModes, [']]'], 'customize by nextlink.js',
+                function(count) { buffer.followLink(next, liberator.CURRENT_TAB); },
+                { flags: Mappings.flags.COUNT });
+    }
+};//}}}
+
+var instance = new NextLink((isFollowLink ? new FollowLink() : new Autopager()));
+return instance;
+
+})();
+// vim: set fdm=marker sw=4 ts=4 sts=0 et:
+