mirror of https://github.com/koreader/koreader
luasettings: new module to handle genric settings
also use luasettings for reader settingspull/2151/head
parent
a10a4f65a5
commit
85398dc2d5
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local dump = require("dump")
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local LuaSettings = {}
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function LuaSettings:open(file_path)
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local new = {file=file_path}
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local ok, stored
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ok, stored = pcall(dofile, new.file)
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if ok and stored then
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new.data = stored
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else
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new.data = {}
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end
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return setmetatable(new, {__index = LuaSettings})
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end
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function LuaSettings:readSetting(key)
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return self.data[key]
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end
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function LuaSettings:saveSetting(key, value)
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self.data[key] = value
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end
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function LuaSettings:delSetting(key)
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self.data[key] = nil
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end
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function LuaSettings:flush()
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local f_out = io.open(self.file, "w")
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if f_out ~= nil then
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os.setlocale('C', 'numeric')
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f_out:write("-- we can read Lua syntax here!\nreturn ")
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f_out:write(dump(self.data))
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f_out:write("\n")
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f_out:close()
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end
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end
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function LuaSettings:close()
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self:flush()
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end
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function LuaSettings:purge()
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if self.file then
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os.remove(self.file)
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end
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end
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return LuaSettings
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