From 52f3a086f2ad7a3bbc9b8f8225a99e9e99120613 Mon Sep 17 00:00:00 2001
From: garret <garret@airmail.cc>
Date: Sat, 9 Oct 2021 15:19:59 +0100
Subject: finally add config stuff

---
 modules/garret/README.simpleconf.md | 51 +++++++++++++++++++++++++++++++++++++
 modules/garret/simpleconf.lua       | 46 +++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 modules/garret/README.simpleconf.md
 create mode 100644 modules/garret/simpleconf.lua

(limited to 'modules/garret')

diff --git a/modules/garret/README.simpleconf.md b/modules/garret/README.simpleconf.md
new file mode 100644
index 0000000..8e0569c
--- /dev/null
+++ b/modules/garret/README.simpleconf.md
@@ -0,0 +1,51 @@
+---
+title: simpleconf.lua's Fine Manual
+lang: en-GB
+...
+
+# simpleconf.lua's Fine Manual
+
+read it
+## Usage
+### Loading config files
+
+Synopsis: `config = simpleconf.get_config([config_file, defaults])`
+
+`@config_file` (`string`)
+
+    Path of the file to load.
+
+`@defaults` (`table`)
+
+    A table containing your default settings.
+
+`config` (table)
+
+    Contains config values.
+
+Both values are optional.
+
+If the file and the defaults are present, it loads the defaults, then overwrites their values with those of the file.
+
+If the file is present, but not the defaults, it just loads the contents of the file.
+
+If the file isn't present, but the defaults are, it just loads the defaults, and you're using it wrong.
+
+If nothing is present, it returns an empty table.
+
+| File | Defaults | Result |
+| ---- | -------- | ------ |
+| 1 | 1 | file overwrites defaults |
+| 1 | 0 | just the file |
+| 0 | 1 | just the defaults |
+| 0 | 0 | nothing |
+
+## Config file format
+
+```
+bool = true
+number = 123
+string = the quick brown fox jumps over the lazy dog
+I am a comment!
+```
+(don't tell anyone, but it's all just a pattern nicked from Programming in Lua (page 82, 4th edition))
diff --git a/modules/garret/simpleconf.lua b/modules/garret/simpleconf.lua
new file mode 100644
index 0000000..6d5f1a8
--- /dev/null
+++ b/modules/garret/simpleconf.lua
@@ -0,0 +1,46 @@
+-- primitive config handler
+
+local function tobool(value)
+	if value == "true" then
+		return true
+	elseif value == "false" then
+		return false
+    else
+        return nil
+	end
+end
+
+local function cast(value)
+	return tonumber(value) or tobool(value) or value
+end
+
+local function get_config(config_file, defaults)
+	local conf = defaults or {}
+    local ok, lines = pcall(io.lines, config_file)
+    if ok then
+	    for line in lines do
+		    local key, value = string.match(line, "(%a+)%s*=%s*(.+)")
+		    conf[key] = cast(value)
+	    end
+    end
+	return conf
+end
+
+local simpleconf = {get_config = get_config}
+
+
+local have_depctrl, depctrl = pcall(require, "l0.DependencyControl")
+
+if have_depctrl then
+    local version = depctrl{
+    name = "Simple (bad) Config",
+    version = "0.1.0",
+    description = "primitive config handler",
+    author = "garret",
+    url = "http://github.com/garret1317/aegisub-scripts",
+    moduleName = "garret.simpleconf"}
+    simpleconf.version = version
+    return version:register(simpleconf)
+else
+    return simpleconf
+end
-- 
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