Make parsing of location on init available for arbitrary URLs.

src/main/Main.coffee

@@ -123,11 +123,30 @@ Main =
           <%= html(meta.name + ' has been updated to <a href="' + meta.changelog + '" target="_blank">version ${g.VERSION}</a>.') %>
         new Notice 'info', el, 15
 
-  initFeatures: ->
-    {hostname, search} = location
-    pathname = location.pathname.split /\/+/
-    g.BOARD = new Board pathname[1] unless hostname in ['www.4chan.org', 'www.4channel.org']
+  parseURL: (site=g.SITE, url=location) ->
+    r = {}
 
+    return r if !site
+    r.siteID = site.ID
+
+    return r if site.isBoardlessPage?(url)
+    pathname = url.pathname.split /\/+/
+    r.boardID = pathname[1]
+
+    if site.isFileURL(url)
+      r.VIEW = 'file'
+    else if site.isAuxiliaryPage?(url)
+      # pass
+    else if pathname[2] in ['thread', 'res']
+      r.VIEW = 'thread'
+      r.threadID = r.THREADID = +pathname[3].replace(/\.\w+$/, '')
+    else if /^(?:catalog|archive)(?:\.\w+)?$/.test(pathname[2])
+      r.VIEW = pathname[2].replace(/\.\w+$/, '')
+    else if /^(?:index|\d*)(?:\.\w+)?$/.test(pathname[2])
+      r.VIEW = 'index'
+    r
+
+  initFeatures: ->
     $.global ->
       document.documentElement.classList.add 'js-enabled'
       window.FCX = {}
@@ -136,29 +155,17 @@ Main =
     # XXX https://bugs.chromium.org/p/chromium/issues/detail?id=920638
     $.ajaxPageInit?()
 
-    switch hostname
-      when 'www.4chan.org', 'www.4channel.org'
-        $.onExists doc, 'body', -> $.addStyle CSS.www
-        Captcha.replace.init()
-        return
-      when 'sys.4chan.org', 'sys.4channel.org'
-        if pathname[2] is 'imgboard.php'
-          if /\bmode=report\b/.test search
-            Report.init()
-          else if (match = search.match /\bres=(\d+)/)
-            $.ready ->
-              if Conf['404 Redirect'] and $.id('errmsg')?.textContent is 'Error: Specified thread does not exist.'
-                Redirect.navigate 'thread', {
-                  boardID: g.BOARD.ID
-                  postID:  +match[1]
-                }
-        else if pathname[2] is 'post'
-          PostSuccessful.init()
-        return
+    $.extend g, Main.parseURL()
+    g.BOARD = new Board g.boardID if g.boardID
 
-    if g.SITE.isFileURL()
+    if !g.VIEW
+      g.SITE.initAuxiliary?()
+      return
+
+    if g.VIEW is 'file'
       $.asap (-> d.readyState isnt 'loading'), ->
         if g.SITE.software is 'yotsuba' and Conf['404 Redirect'] and g.SITE.is404?()
+          pathname = location.pathname.split /\/+/
           Redirect.navigate 'file', {
             boardID:  g.BOARD.ID
             filename: pathname[pathname.length - 1]
@@ -173,18 +180,6 @@ Main =
             ImageCommon.addControls video
       return
 
-    return if g.SITE.isAuxiliaryPage?()
-
-    if pathname[2] in ['thread', 'res']
-      g.VIEW     = 'thread'
-      g.THREADID = +pathname[3].replace(/\.\w+$/, '')
-    else if /^(?:catalog|archive)(?:\.\w+)?$/.test(pathname[2])
-      g.VIEW = pathname[2].replace(/\.\w+$/, '')
-    else if /^(?:index|\d*)(?:\.\w+)?$/.test(pathname[2])
-      g.VIEW = 'index'
-    else
-      return
-
     g.threads = new SimpleDict()
     g.posts   = new SimpleDict()
 

src/site/SW.tinyboard.coffee

@@ -154,8 +154,8 @@ SW.tinyboard =
   bgColoredEl: ->
     $.el 'div', className: 'post reply'
 
-  isFileURL: ->
-    /\/src\/[^\/]+/.test(location.pathname)
+  isFileURL: (url) ->
+    /\/src\/[^\/]+/.test(url.pathname)
 
   parseNodes: (post, nodes) ->
     # Add vichan's span.poster_id around the ID if not already present.

src/site/SW.yotsuba.coffee

@@ -106,11 +106,36 @@ SW.yotsuba =
   isIncomplete: ->
     return g.VIEW in ['index', 'thread'] and not $('.board + *')
 
-  isAuxiliaryPage: ->
-    location.hostname not in ['boards.4chan.org', 'boards.4channel.org']
+  isBoardlessPage: (url) ->
+    url.hostname in ['www.4chan.org', 'www.4channel.org']
 
-  isFileURL: ->
-    ImageHost.test(location.hostname)
+  isAuxiliaryPage: (url) ->
+    url.hostname not in ['boards.4chan.org', 'boards.4channel.org']
+
+  isFileURL: (url) ->
+    ImageHost.test(url.hostname)
+
+  initAuxiliary: ->
+    switch location.hostname
+      when 'www.4chan.org', 'www.4channel.org'
+        $.onExists doc, 'body', -> $.addStyle CSS.www
+        Captcha.replace.init()
+        return
+      when 'sys.4chan.org', 'sys.4channel.org'
+        pathname = location.pathname.split /\/+/
+        if pathname[2] is 'imgboard.php'
+          if /\bmode=report\b/.test location.search
+            Report.init()
+          else if (match = location.search.match /\bres=(\d+)/)
+            $.ready ->
+              if Conf['404 Redirect'] and $.id('errmsg')?.textContent is 'Error: Specified thread does not exist.'
+                Redirect.navigate 'thread', {
+                  boardID: g.BOARD.ID
+                  postID:  +match[1]
+                }
+        else if pathname[2] is 'post'
+          PostSuccessful.init()
+        return
 
   scriptData: ->
     for script in $$ 'script:not([src])', d.head

src/site/Site.coffee

@@ -6,14 +6,10 @@ Site =
 
   init: (cb) ->
     $.extend Conf['siteProperties'], Site.defaultProperties
-    {hostname} = location
-    while hostname and hostname not of Conf['siteProperties']
-      hostname = hostname.replace(/^[^.]*\.?/, '')
-    if hostname
-      hostname = canonical if (canonical = Conf['siteProperties'][hostname].canonical)
-      if Conf['siteProperties'][hostname].software of SW
-        @set hostname
-        cb()
+    hostname = Site.resolve()
+    if hostname and Conf['siteProperties'][hostname].software of SW
+      @set hostname
+      cb()
     $.onExists doc, 'body', =>
       for software of SW when (changes = SW[software].detect?())
         changes.software = software
@@ -31,6 +27,18 @@ Site =
         return
       return
 
+  resolve: (url=location) ->
+    {hostname} = url
+    while hostname and hostname not of Conf['siteProperties']
+      hostname = hostname.replace(/^[^.]*\.?/, '')
+    if hostname
+      hostname = canonical if (canonical = Conf['siteProperties'][hostname].canonical)
+    hostname
+
+  parseURL: (url) ->
+    siteID = Site.resolve url
+    Main.parseURL g.sites[siteID], url
+
   set: (hostname) ->
     for ID, properties of Conf['siteProperties']
       continue if properties.canonical