[Vimperator] pageInfo patch

calmar mac at calmar.ws
Sun Nov 4 17:23:30 PST 2007


Hi all,

Not yet finished (even so should work), but since there are quite
some differences, I thought it's good to commit it...

(I'm using two helper function, and put them into private, if that
is ok)


Cheers
marco

-- 
   (o_  It rocks: LINUX + Command-Line-Interface
   //\
   V_/_                     http://www.calmar.ws
-------------- next part --------------
Index: options.js
===================================================================
RCS file: /cvs/vimperator/src/content/options.js,v
retrieving revision 1.24
diff -u -r1.24 options.js
--- options.js	3 Nov 2007 08:51:07 -0000	1.24
+++ options.js	5 Nov 2007 01:18:15 -0000
@@ -594,7 +594,7 @@
                   "</ul>" +
                   "The order matters",
             default_value: "gm",
-            validator: function (value) { if (/[^gm]/.test(value) || value.length > 2 || 
+            validator: function (value) { if (/[^grm]/.test(value) || value.length > 3 || 
                     value.length < 1) return false; else return true; }
         }
     ));
Index: commands.js
===================================================================
RCS file: /cvs/vimperator/src/content/commands.js,v
retrieving revision 1.48
diff -u -r1.48 commands.js
--- commands.js	2 Nov 2007 10:05:51 -0000	1.48
+++ commands.js	5 Nov 2007 01:18:17 -0000
@@ -1495,8 +1508,8 @@
     addDefaultCommand(new vimperator.Command(["pa[geinfo]"],
         function () { vimperator.buffer.pageInfo(true); },
         {
-            short_help: "Show general and/or meta-content site informations",
-            help: "Show general and/or meta-content site informations"
+            short_help: "Show various page informations (see :help 'pageinfo')",
+            help: "Show various page informations (see :help 'pageinfo')"
         }
     ));
     addDefaultCommand(new vimperator.Command(["pc[lose]"],
Index: buffers.js
===================================================================
RCS file: /cvs/vimperator/src/content/buffers.js,v
retrieving revision 1.20
diff -u -r1.20 buffers.js
--- buffers.js	1 Nov 2007 13:31:53 -0000	1.20
+++ buffers.js	5 Nov 2007 01:18:18 -0000
@@ -125,6 +125,84 @@
         win.scrollTo(h, v);
     }
 
+//    const feedTypes = {
+//        "application/rss+xml": gBundle.getString("feedRss"),
+//        "application/atom+xml": gBundle.getString("feedAtom"),
+//        "text/xml": gBundle.getString("feedXML"),
+//        "application/xml": gBundle.getString("feedXML"),
+//        "application/rdf+xml": gBundle.getString("feedXML")
+//    };
+
+    function isValidFeed(aData, aPrincipal, aIsFeed)
+    {
+        if (!aData || !aPrincipal)
+            return false;
+
+        if (!aIsFeed) {
+            var type = aData.type && aData.type.toLowerCase();
+            type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
+
+            aIsFeed = (type == "application/rss+xml" ||
+                    type == "application/atom+xml");
+
+            if (!aIsFeed) {
+                // really slimy: general XML types with magic letters in the title
+                const titleRegex = /(^|\s)rss($|\s)/i;
+                aIsFeed = ((type == "text/xml" || type == "application/rdf+xml" ||
+                            type == "application/xml") && titleRegex.test(aData.title));
+            }
+        }
+
+        if (aIsFeed) {
+            try {
+                urlSecurityCheck(aData.href, aPrincipal,
+                        Components.interfaces.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
+            }
+            catch(ex) {
+                aIsFeed = false;
+            }
+        }
+
+        if (type)
+            aData.type = type;
+
+        return aIsFeed;
+    }
+
+    function pageInfoTextSetup(data)
+    {
+        var tmpS1 = "<table><tr><td class='hl-Title' style='font-weight: bold;' colspan='2'>";
+        var tmpS2 = "</td></tr>";
+        var tmpS3 = "<tr><td style='font-weight: bold;'>  ";
+        var tmpS4 = ": </td><td>";
+        var tmpS5 = "</table>";
+        var newLine = "";
+        var joinedText = "";
+        var arrLength = data.length;
+
+        joinedText += tmpS1 + data[arrLength -1][0] + tmpS2;
+
+        if (arrLength - 1)
+        {
+            for (var i = 0; i < arrLength - 1 ; i++)
+                joinedText += tmpS3 + data[i][0] + tmpS4 + data[i][1] + tmpS2;
+        }
+        else
+        {
+            joinedText += "<tr><td colspan='2'>  (" + data[arrLength - 1][1] + ")</td></tr>";
+        }
+
+        joinedText += tmpS5;
+        return joinedText;
+    }
+
+
+    function hiUrl(text)
+    {
+        return '<a class="hl-URL" href="' + text + '">' + text + '</a>';
+    }
+
+
     /////////////////////////////////////////////////////////////////////////////}}}
     ////////////////////// PUBLIC SECTION //////////////////////////////////////////
     /////////////////////////////////////////////////////////////////////////////{{{
@@ -495,7 +573,12 @@
 
     this.pageInfo = function(verbose)
     {
-        // to get the file size later (from pageInfo.js) (setup cacheEntryDescriptor)
+
+        var pageGeneral = [];       // keeps general infos
+        var pageRss = [];
+        var pageMeta = [];          // keeps meta infos
+
+        // get file size
         const nsICacheService = Components.interfaces.nsICacheService;
         const ACCESS_READ = Components.interfaces.nsICache.ACCESS_READ;
         const cacheService = Components.classes["@mozilla.org/network/cache-service;1"].getService(nsICacheService);
@@ -517,6 +600,54 @@
             catch (ex2) { }
         }
 
+        var pageSize = '';
+        if (cacheEntryDescriptor)
+        {
+            var pageSize = cacheEntryDescriptor.dataSize;
+            var bytes = pageSize + '';
+            for (var u = bytes.length - 3; u > 0; u -= 3)        // make a 1400 -> 1'400
+                bytes = bytes.slice(0, u) + "," + bytes.slice(u, bytes.length);
+
+            var kbytes = (Math.round(pageSize / 1024 * 100) / 100);
+            for (var u = kbytes.length - 3; u > 0; u -= 3)        // make a 1400 -> 1'400
+                bytes = kbytes.slice(0, u) + "," + kbytes.slice(u, kbytes.length);
+
+            if (verbose)
+                pageGeneral.push(["File Size", kbytes + "KB (" + bytes + " bytes)"]);
+            else
+                pageSize = kbytes + "KB";
+        }
+
+        // put feeds rss into pageRss[]
+        var linkNodes = window.content.document.getElementsByTagName("link");
+        var length = linkNodes.length;
+        for (var i = 0; i < length; i++) 
+        {
+            var link = linkNodes[i];
+            if (!link.href)
+                continue;
+
+            var rel = link.rel && link.rel.toLowerCase();
+            var rels = {};
+            if (rel) 
+            {
+                for each (let relVal in rel.split(/\s+/))
+                    rels[relVal] = true;
+            }
+
+            if (rels.feed || (link.type && rels.alternate && !rels.stylesheet)) 
+            {
+                var feed = { title: link.title, href: link.href, type: link.type || "" };
+                if (isValidFeed(feed, window.content.document.nodePrincipal, rels.feed)) 
+                {
+//                    var type = feedTypes[feed.type] || feedTypes["application/rss+xml"]; // TODO: dig into that..
+                    var type = feed.type || "application/rss+xml";
+                    pageRss.push([feed.title, hiUrl(feed.href)]);
+                }
+            }
+        }
+
+        // Ctrl-g single line output
         if (!verbose)
         {
             // TODO: strip off any component after &
@@ -526,40 +657,38 @@
 
             var title = window.content.document.title || "[No Title]";
 
-            if (cacheEntryDescriptor)
-                var pageSize = Math.round(cacheEntryDescriptor.dataSize / 1024 * 100) / 100 + "KB";
-
             var lastmod = window.content.document.lastModified.slice(0, -3);
+            if (pageSize)
+                lastmod = ", " + lastmod;
 
-            var pageInfoText = '"' + file + '" [' + pageSize + ", " + lastmod + "] " + title;
+            var countRss = '';
+            if (pageRss.length)
+            {
+                countRss = ", " + pageRss.length + " RSS";
+                countRss += (pageRss.length > 1) ? "'s" : "";
+            }
+
+            var pageInfoText = '"' + file + '" [' + pageSize + lastmod + countRss + "] " + title;
 
             vimperator.echo(pageInfoText, vimperator.commandline.FORCE_SINGLELINE);
             return;
         }
 
-        var pageGeneral = [];       // keeps general infos
-        var pageMeta = [];          // keeps meta infos
-
         // get general infos
         pageGeneral.push(["Title", window.content.document.title]);
-        pageGeneral.push(["URL", '<a class="hl-URL" href="' + window.content.document.location.toString() + '">' +
-                window.content.document.location.toString() + '</a>']);
-        pageGeneral.push(["Referrer",  ("referrer" in window.content.document && window.content.document.referrer)]);
+        pageGeneral.push(["URL", hiUrl(window.content.document.location.toString())]);
+
+        var ref = "referrer" in window.content.document && window.content.document.referrer;
+        if (ref) 
+            pageGeneral.push(["Referrer", ref]);
+
         pageGeneral.push(["Mime-Type", window.content.document.contentType]);
         pageGeneral.push(["Encoding",  window.content.document.characterSet]);
 
-        if (cacheEntryDescriptor)
-        {
-            var pageSize = cacheEntryDescriptor.dataSize;
-            var bytes = pageSize + '';
-            for (var u = bytes.length - 3; u > 0; u -= 3)        // make a 1400 -> 1'400
-                bytes = bytes.slice(0, u) + "," + bytes.slice(u, bytes.length);
-            pageGeneral.push(["File Size", (Math.round(pageSize / 1024 * 100) / 100) + "KB (" + bytes + " bytes)"]);
-        }
 
         pageGeneral.push(["Compatibility", content.document.compatMode == "BackCompat" ?
-                "Quirks Mode" : "Full/Almost Standards Mode"]);
-        pageGeneral.push(["Last Modified", window.content.document.lastModified]);
+                "Quirks Mode" : "Full/Almost Standard Mode"]);
+        pageGeneral.push(["Last Modified", window.content.document.lastModified]); //TODO: do not show bogus times (=current time)
 
         // get meta tag data, sort and put into pageMeta[]
         var metaNodes = window.content.document.getElementsByTagName("meta");
@@ -572,10 +701,9 @@
             for (var i = 0; i < length; i++)
             {
                 var tmpTag = metaNodes[i].name || metaNodes[i].httpEquiv;// +
-                    //'<span style="font-weight: normal; font-size: 90%;">-eq</span>'; // XXX: really important?
-                var tmpTagNr = tmpTag + "-" + i;     // allows multiple (identical) meta names
+                var tmpTagNr = tmpTag + "-" + i; // allows multiple (identical) meta names
                 tmpDict[tmpTagNr] = [tmpTag, metaNodes[i].content];
-                tmpSort.push(tmpTagNr);      // array for sorting
+                tmpSort.push(tmpTagNr); // array for sorting
             }
 
             // sort: ignore-case
@@ -587,37 +715,20 @@
             }
         }
 
+        pageMeta.push(["Meta Tags", "no Meta-Tags on this page"]); // add extra text to the end
+        pageGeneral.push(["General Info", "general Info not available for this page"]);
+        pageRss.push(["RSS Feeds", "no RSS-Feeds on this page"]);
+
         var pageInfoText = "";
         var option = vimperator.options["pageinfo"];
 
         for (var z = 0; z < option.length; z++)
         {
-            var newLine = z > 0 ? "<br/>" : "";
             switch (option[z])
             {
-                case "g": pageInfoText += newLine + "<table><tr><td class='hl-Title' style='font-weight: bold;' colspan='2'>General</td></tr>";
-                    for (var i = 0; i < pageGeneral.length; i++)
-                    {
-                        if (pageGeneral[i][1])
-                            pageInfoText += "<tr><td style='font-weight: bold;'>  " + pageGeneral[i][0] + ": </td><td>" + pageGeneral[i][1] + "</td></tr>";
-                    }
-                    pageInfoText += "</table>";
-                    break;
-
-                case "m": pageInfoText += newLine + "<table><tr><td class='hl-Title' style='font-weight: bold;' colspan='2'>Meta Tags</td></tr>";
-                    if (pageMeta.length)
-                    {
-                        for (var i = 0; i < pageMeta.length; i++)
-                        {
-                            pageInfoText += "<tr><td style='font-weight: bold;'>  " + pageMeta[i][0] + ": </td><td>" + pageMeta[i][1] + "</td></tr>";
-                        }
-                    }
-                    else
-                    {
-                        pageInfoText += "<tr><td colspan='2'>(no Meta-Tags on this page)</td></tr>";
-                    }
-                    pageInfoText += "</table>";
-                    break;
+                case "g": pageInfoText += pageInfoTextSetup(pageGeneral); break;
+                case "r": pageInfoText += pageInfoTextSetup(pageRss); break;
+                case "m": pageInfoText += pageInfoTextSetup(pageMeta); break;
             }
         }
 


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