92 lines
2.3 KiB
Crystal
92 lines
2.3 KiB
Crystal
require "file_utils"
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require "ini"
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module Funfriend::ConfigMan
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extend self
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APPLICATION_NAME = "funfriend"
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CONFIG_NAME = "cfg.ini"
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alias ConfigValue = String | Int32 | Bool | Float64
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alias ConfigSection = Hash(String, ConfigValue)
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alias Config = Hash(String, ConfigSection)
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DEFAULT_CONFIG = {
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"window" => {
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"funfriend_size" => 75.as(ConfigValue)
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},
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"sound" => {
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"volume" => 0.2.as(ConfigValue)
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},
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"buddies" => {
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"types" => "funfriend".as(ConfigValue)
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},
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}.as(Config)
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def get_config_path : Path
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{% if flag?(:windows) %}
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Path.new(ENV["APPDATA"]) / APPLICATION_NAME
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{% elsif flag?(:macosx) %}
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Path.home / "Library" / "Application Support" / APPLCATION_NAME
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{% elsif flag?(:unix) %}
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(ENV["XDG_CONFIG_HOME"]?.try { |p| Path.new(p) } || (Path.home / ".config")) / APPLICATION_NAME
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{% end %}
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end
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@@config_initialized = false
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@@config = {} of String => ConfigSection
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def config
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if !@@config_initialized
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raise "config read before initialization"
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end
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@@config
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end
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def init
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config_path = get_config_path
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FileUtils.mkdir_p(config_path)
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config_file = config_path / CONFIG_NAME
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if !File.exists?(config_file)
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@@config = DEFAULT_CONFIG.dup
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File.write(config_file, INI.build(@@config))
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else
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parsed = INI.parse(File.read(config_file))
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@@config = DEFAULT_CONFIG.dup
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parsed.each do |sect_i, section|
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section.each do |key, value|
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# if it exists in the default config
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if DEFAULT_CONFIG[sect_i]?.try &.[key]?
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# try casting
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casted_val = case DEFAULT_CONFIG[sect_i][key]
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when String
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value
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when Int32
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value.to_i32?
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when Float64
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value.to_f64?
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when Bool
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value === "1" || value.downcase === "true"
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end
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# casted_val being nil means it failed; fall back to default
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if casted_val != nil
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# write to config
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@@config[sect_i][key] = casted_val.not_nil!
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end
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else
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# keep as a string just incase it's ever needed
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@@config[sect_i][key] = value
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end
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end
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end
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File.write(config_file, INI.build(@@config))
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end
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@@config_initialized = true
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end
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end
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