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From humbed...@apache.org
Subject [2/5] incubator-ponymail git commit: support old shortlink format, add comments
Date Tue, 13 Sep 2016 08:26:49 GMT
support old shortlink format, add comments


Project: http://git-wip-us.apache.org/repos/asf/incubator-ponymail/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-ponymail/commit/c80da618
Tree: http://git-wip-us.apache.org/repos/asf/incubator-ponymail/tree/c80da618
Diff: http://git-wip-us.apache.org/repos/asf/incubator-ponymail/diff/c80da618

Branch: refs/heads/coffee-and-cake
Commit: c80da6189209b557b0a791f7cc6fcee69eaa8694
Parents: db4eed8
Author: Daniel Gruno <humbedooh@apache.org>
Authored: Tue Sep 13 10:24:09 2016 +0200
Committer: Daniel Gruno <humbedooh@apache.org>
Committed: Tue Sep 13 10:24:09 2016 +0200

----------------------------------------------------------------------
 site/js/coffee/misc.coffee | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/c80da618/site/js/coffee/misc.coffee
----------------------------------------------------------------------
diff --git a/site/js/coffee/misc.coffee b/site/js/coffee/misc.coffee
index 92091ec..c4c387e 100644
--- a/site/js/coffee/misc.coffee
+++ b/site/js/coffee/misc.coffee
@@ -94,16 +94,25 @@ ponymail_quote_regex = new RegExp(
     "((?:\r?\n)((on .+ wrote:[\r\n]+)|(sent from my .+)|(>+[ \t]*[^\r\n]*\r?\n[^\n]*\n*)+)+)+",
"mi"
 )
 
+###*
+# How many bits (of 7 chars each) do we want in our shortLink?
+# The more bits, the more precise, the fewer bits, the shorter the link.
+###
 shortBits = 3
 
+### Shortener: cut MID into pieces, convert to base36 to save 3-4 bytes ###
 shortenURL = (mid) ->
     arr = mid.split("@")
+    ### IF arr is 2 bits, it's fine to shorten it (meduim/long generator). if 3, then potentially
not (short generator) ###
     if arr.length == 2 and (pm_config and pm_config.shortLinks)
         out = ""
+        ### For each bit in $howlongdowewantthis ... ###
         for i in [0..shortBits-1]
+            ### Cut off 8 chars, convert from base16 to base36 ###
             a = arr[0].substr(i*8,8)
             num = parseInt(a, 16)
             res = num.toString(36)
+            ### Padding for small numbers ###
             while res.length < 7
                 res = '-' + res
             out += res
@@ -112,15 +121,30 @@ shortenURL = (mid) ->
     return mid
 
 unshortenURL = (mid) ->
+    ### If new format ... ###
     if mid.substr(0,2) == 'PZ'
         out = ""
+        ### For each 7-char bit, convert from base36 to base16, remove padding ###
         for i in [0..shortBits-1]
             num = parseInt(mid.substr(2+(i*7), 7).replace('-', ''), 36)
             res = num.toString(16)
+            ### 0-padding for smaller numbers (<8 chars)###
             while res.length < 8
                 res = '0' + res
             out += res
         return out
+    ### Old format from 0.9 and before ###
+    else if mid[0] == 'Z' or mid[0] == 'B'
+        out = ""
+        ### For each 7-char bit, convert from base36 to base16, remove padding ###
+        for i in [0..1]
+            num = parseInt(mid.substr(1+(i*7), 7).replace('-', ''), 36)
+            res = num.toString(16)
+            ### 0-padding for smaller numbers (<9 chars) ###
+            while res.length < 9
+                res = '0' + res
+            out += res
+        return out
     else
         return mid
     


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