From fb354ee8afb21d5f09721a8e7b9df7169e7183fd Mon Sep 17 00:00:00 2001
From: Ted Trask <ttrask01@yahoo.com>
Date: Wed, 17 Sep 2008 19:40:31 +0000
Subject: Modified logfiles to add grep capability.

git-svn-id: svn://svn.alpinelinux.org/acf/alpine-baselayout/trunk@1472 ab2d0c66-481e-0410-8bed-d214d4d58bed
---
 logfiles-model.lua | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'logfiles-model.lua')

diff --git a/logfiles-model.lua b/logfiles-model.lua
index 54aceee..41c2308 100644
--- a/logfiles-model.lua
+++ b/logfiles-model.lua
@@ -60,12 +60,25 @@ local function list_files ( ... )
 	return cfe({ type="list", value=listed_files, label="Log files" })
 end
 
-get_filedetails = function (path)
+local do_grep = function(filecontent, grep)
+	if grep and grep ~= "" then
+		local lines = {}
+		for line in string.gmatch(filecontent.value, "[^\n]*\n?") do
+			if string.match(line, grep) then
+				lines[#lines+1] = line
+			end
+		end
+		filecontent.value = table.concat(lines) or ""
+	end
+end
+
+get_filedetails = function (path, grep)
 	local filedetails
 	local available_files = get()
 	for i,file in ipairs(available_files.value) do
 		if ( file.value.filename.value == path ) then
 			filedetails = modelfunctions.getfiledetails(path)
+			do_grep(filedetails.value.filecontent, grep)
 			break
 		end
 	end
@@ -73,14 +86,16 @@ get_filedetails = function (path)
 		filedetails = modelfunctions.getfiledetails("")
 		filedetails.value.filename.value = path
 	end
+	filedetails.value.grep = cfe({ value=grep or "", label="Grep" })
 	return filedetails
 end
 
-tail = function(path, offset)
+tail = function(path, offset, grep)
 	local filename = cfe({ value=path, label="File name", errtxt="File not found" })
 	local filesize = cfe({ value="0", label="File size" })
 	local filecontent = cfe({ type="longtext", label="File content" })
 	local fileoffset = cfe({ value="0", label="File offset" })
+	local filegrep = cfe({ value=grep or "", label="Grep" })
 
 	local available_files = get()
 	for i,file in ipairs(available_files.value) do
@@ -102,11 +117,12 @@ tail = function(path, offset)
 				fileoffset.value = filesize.value
 			end
 			f:close()
+			do_grep(filecontent, grep)
 			break
 		end
 	end
 	
-	return cfe({ type="group", value={filename=filename, filecontent=filecontent, filesize=filesize, fileoffset=fileoffset}, label="Tail Config file details" })
+	return cfe({ type="group", value={filename=filename, filecontent=filecontent, filesize=filesize, fileoffset=fileoffset, grep=filegrep}, label="Tail Config file details" })
 end
 
 get = function ()
-- 
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