feat: read lines

classes/beastfile.lua

@@ -1,10 +1,18 @@
 local BeastFile = Object:extend()
 local DataList = require "classes.datalist"
 
+local parseFile = require "libs.filereader"
+
 function BeastFile:new(folder, name)
     self.filepath = folder .. "/" .. name
     print("Loading " .. self.filepath)
     self.datas = DataList()
+
+    self:readLines()
+end
+
+function BeastFile:readLines()
+    local lines = parseFile(self.filepath, function (line) print(line) end)
 end
 
 function BeastFile:prepareJson()

libs/filereader.lua

@@ -0,0 +1,34 @@
+-- http://lua-users.org/wiki/FileInputOutput
+
+local utils = require "libs.utils"
+
+-- see if the file exists
+local function file_exists(file)
+  local f = io.open(file, "rb")
+  if f then f:close() end
+  return f ~= nil
+end
+
+-- get all lines from a file, returns an empty 
+-- list/table if the file does not exist
+local function lines_from(file)
+  if not file_exists(file) then error(file) end
+  local lines = {}
+  for line in io.lines(file) do 
+    lines[#lines + 1] = line
+  end
+  return lines
+end
+
+local function parseFile(file, func)
+  local lines = lines_from(file)
+  for k,v in pairs(lines) do
+    local line = utils.trim(v)
+    line = utils.trim(utils.split(line, "//", true)[1])
+    if (line ~= "") then
+      func(line)
+    end
+  end
+end
+
+return parseFile;