From 28804449df1f28067b9eba8475452b5c97b2a1ac Mon Sep 17 00:00:00 2001
From: Luke Stuart <lukestu@gmail.com>
Date: Wed, 10 Aug 2011 15:03:33 +0000
Subject: Weblog Updates including Squark support and revamped analysis.

---
 weblogviewfunctions.lua | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 weblogviewfunctions.lua

(limited to 'weblogviewfunctions.lua')

diff --git a/weblogviewfunctions.lua b/weblogviewfunctions.lua
new file mode 100644
index 0000000..b809f23
--- /dev/null
+++ b/weblogviewfunctions.lua
@@ -0,0 +1,52 @@
+require("html")
+require("session")
+
+-- Split a string to an array by delimiter or pattern
+function split(str, pat)
+   if string.find(str, pat) == nil then
+       return str
+   end
+   local t = {}
+   local fpat = "(.-)" .. pat
+   local last_end = 1
+   local s, e, cap = str:find(fpat, 1)
+   while s do
+     if s ~= 1 or cap ~= "" then
+        table.insert(t,cap)
+     end
+     last_end = e+1
+     s, e, cap = str:find(fpat, last_end)
+   end
+   if last_end <= #str then
+      cap = str:sub(last_end)
+      table.insert(t, cap)
+   end
+   return t
+end
+-- Insert a string into another string
+function string.insert(value, insert, place)
+
+   if place == nil then
+          place = string.len(value)+1
+   end
+             
+   return string.sub(value, 1,place-1) .. tostring(insert) .. string.sub(value, place, string.len(value))
+                
+end
+
+--Highlight occurences of a word in a string
+function string.highlight(txtvalue, searchval, fcolour, bcolour)
+
+  if txtvalue ~=nil and searchval ~= nil then
+   sStart = string.find(string.lower(txtvalue),string.lower(searchval))
+   if sStart ~= nil then
+     sEnd = sStart + string.len(searchval)
+     txtvalue = string.insert(txtvalue,"</font>", sEnd)
+     txtvalue = string.insert(txtvalue,"<font style='color:"..fcolour.."; background-color:"..bcolour..";'>", sStart)
+   end
+  end
+                                              
+  return txtvalue
+                                                 
+end
+                                                                                                                                             
-- 
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