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Update Steam.lua #2

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Update Steam.lua #2

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143 changes: 53 additions & 90 deletions Steam.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -9,116 +9,61 @@
]]

function main(DEFAULT_STEAM_PATH,USER_ID)

local function hasValue (tab, val)
for index, value in ipairs(tab) do
if value == val then
return true
end
end
return false
end

local function isRightPath(path)
return hasValue(path,"software") and hasValue(path,"valve") and hasValue(path,"steam")
end


local function getIDsAndLastPlayed()
local LOCAL_CONFIG_VDF_PATH = DEFAULT_STEAM_PATH.."userdata\\"..USER_ID.."\\config\\localconfig.vdf"
local vdfFile = io.open(LOCAL_CONFIG_VDF_PATH,"r")
local count = 0 --used to keep track of lines
local found = false --used for easier check of if we are in the apps section
local level = 0 --used to keep track how deep in entries we currently are before we find the apps section
local foundLevel = 0 --Used to keep track of how deep in entries we are AFTER we have found the right apps sectgion
local currApp = {} --used to keep track of data for current app
local apps = {} --used for storing data of all apps
local prevLineType = "" --used to keep track of what type of info the previous line kept
local path = {} --used to keep track of the current path we are in inside the vdf
local prevLine = "" --used to keep track of what the previous line was

--used track number of apps

if vdfFile then
for line in vdfFile:lines() do

count = count + 1

line = string.lower(line) -- we don't care about the capitalization of the data inside. Do this to reduce number of checks required

if found or (string.match(line,'%s*apps') and isRightPath(path)) then
if string.match(line,'%s*apps') then

--increment/decrement level to check for closing of individual apps
--entries and for checking when apps section has ended
if string.match(line,"^%s*{") then --if on a line where an app entry is beginning
foundLevel = foundLevel + 1
prevLineType = "open"
end

--if on a line where an app entry is ending or line before is entry and this line is an entry
if string.match(line,"^%s*}") or (prevLineType == "id" and string.match(line,'^%s*"(%d+)"') ~= nil) then

--only decrement level if only first case is satisfied and second case is false
if string.match(line,"^%s*}") then
foundLevel = foundLevel - 1
end
foundLevel = foundLevel + 1

-- Capture all remaining data and push it to return table
if foundLevel == 1 then
currApp["appID"] = appID
table.insert(apps,currApp)

--if the game has never been played
if currApp.lastPlayed == nil then
currApp.lastPlayed = 0 --set lastplayed timestamp to 0
end

currApp = {}
prevLineType = "close"
end
end
end



-- Capture all remaining data and push it to return table
if foundLevel == 1 then

--individual game parameters capture
local temp = string.match(line,'^%s*"(%d+)"')
if temp ~= nil then
appID = temp
prevLineType = "id"
local appID = temp
currApp["appID"] = appID

end

--if currently in an app entry
if foundLevel == 2 then
local title = string.match(line,'^%s*"(%w*)"')

--if title of current line is lastplayed, get timestamp data
if title == "lastplayed" then
currApp["lastPlayed"] = string.match(line,'.*"(%d*)"')
end
prevLineType = "dataEntry"
local title = string.match(line,'^%s*"(%w*)"')
--if title of current line is lastplayed, get timestamp data
if title == "lastplayed" then
currApp["lastPlayed"] = string.match(line,'.*"(%d*)"')
table.insert(apps,currApp)
currApp = {}
end



--sets start line for check of closing of apps section
if not found then
prevLineType = "begin"
found = true
start = count
end

--checks to stop reading file if apps section has ended
if foundLevel == 0 and start ~= count then
if title == "AppInfoChangeNumber" then
foundLevel = 0
break
end

end

--This block is to keep track of what the current path is. So that we don't use the wrong "apps" section
if not found then
if string.match(line,"^%s*{") then --if on a line where a subentry is beginning
path[#path + 1] = string.match(prevLine,'^%s*"(%w*)"')
level = level + 1
end

if string.match(line,"^%s*}") then --if on a line where a subentry is ending
table.remove(path,#path)
level = level - 1
end

prevLine = line
end

end
vdfFile:close()
end
Expand All @@ -129,35 +74,50 @@ function main(DEFAULT_STEAM_PATH,USER_ID)
local LIBRARY_FOLDERS_VDF_PATH = DEFAULT_STEAM_PATH.."steamapps\\libraryfolders.vdf"
local libVDFFile = io.open(LIBRARY_FOLDERS_VDF_PATH,"r") --open libraryfolders.vdf
local dirs = {DEFAULT_STEAM_PATH} --initialize dirs table with default steam directory preinserted
--local lines = {}

--if vdf file exists
if libVDFFile then

--iterate through all the lines
for line in libVDFFile:lines() do
local dirline = string.match(line,'^%s*"%d+"%s*"(.*)"') --match format for only lines with directories
local dirline = string.match(line,'%u%:\\\\%a+%d?') --match format for only lines with directories
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@i077 i077 Oct 11, 2021 •
edited
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This doesn't seem to match paths more than 1 directory deep (e.g. D:\Games\Steam). Instead, I'd suggest:

Suggested change
local dirline = string.match(line,'%u%:\\\\%a+%d?') --match format for only lines with directories
local dirline = string.match(line,'"(%u:.*\\.+)"') --match format for only lines with directories

This way, we greedily match from the drive letter to the last backslash, then include the last segment of the path (since that isn't terminated with a backslash).


--if that format is on this line
if dirline then
newdirline = string.gsub(dirline,'\\\\','\\').."\\"
local newdirline = string.gsub(dirline,'\\\\','\\')..'\\'
table.insert(dirs,newdirline) --insert that path into the table

end
end
libVDFFile:close()
end
return dirs --return table of directories
end

local function clearDirectoryDuplicates(direc) --function to remove duplicates from directory table
local clean = {}
local t2 = {};
for i,v in pairs(direc) do
t2[v] = i
end

for i,v in pairs(t2) do
table.insert(clean, i)
end
return clean
end

local function checkAppManifests(directories,appTable)
local resultTable = {}
local currTable = {}

--iterate through all steam directories
for i=1,table.getn(directories) do
for i = 1, table.getn(directories) do

--iterate through all app possibilities in each directory
for curr = 1, table.getn(appTable) do
local currManifest = directories[i].."steamapps/appmanifest_"..appTable[curr].appID..".acf" --generate filepath for app
local currManifest = directories[i].."steamapps\\appmanifest_"..appTable[curr].appID..".acf" --generate filepath for app
manifestFile = io.open(currManifest,"r") --open file

--check if file exists
Expand All @@ -181,19 +141,22 @@ function main(DEFAULT_STEAM_PATH,USER_ID)
currTable["launcher"] = "Steam" --defines which launcher this game is from
table.insert(resultTable,currTable)
currTable = {}
break
--break
end
end
manifestFile:close()
end

end

end
return resultTable --return fully populated appTable
end

local dirs = getAllDirectories()
local cleanDirs = clearDirectoryDuplicates(dirs)
local ids = getIDsAndLastPlayed()
local final = checkAppManifests(dirs,ids)
local final = checkAppManifests(cleanDirs,ids)

--=====================================================================================
-- DEBUG
Expand All @@ -205,4 +168,4 @@ function main(DEFAULT_STEAM_PATH,USER_ID)
debug("Total number of games found: ",table.getn(final))

return final
end
end