RosettaCodeData/Task/Read-a-configuration-file/Wren/read-a-configuration-file.wren
2024-03-06 22:25:12 -08:00

54 lines
1.9 KiB
Text

import "io" for File
import "./ioutil" for FileUtil
class Configuration {
construct new(map) {
_fullName = map["fullName"]
_favouriteFruit = map["favouriteFruit"]
_needsPeeling = map["needsPeeling"]
_seedsRemoved = map["seedsRemoved"]
_otherFamily = map["otherFamily"]
}
toString {
return [
"Full name = %(_fullName)",
"Favourite fruit = %(_favouriteFruit)",
"Needs peeling = %(_needsPeeling)",
"Seeds removed = %(_seedsRemoved)",
"Other family = %(_otherFamily)"
].join("\n")
}
}
var commentedOut = Fn.new { |line| line.startsWith("#") || line.startsWith(";") }
var toMapEntry = Fn.new { |line|
var ix = line.indexOf(" ")
if (ix == -1) return MapEntry.new(line, "")
return MapEntry.new(line[0...ix], line[ix+1..-1])
}
var fileName = "configuration.txt"
var lines = File.read(fileName).trimEnd().split(FileUtil.lineBreak)
var mapEntries = lines.map { |line| line.trim() }.
where { |line| line != "" }.
where { |line| !commentedOut.call(line) }.
map { |line| toMapEntry.call(line) }
var configurationMap = { "needsPeeling": false, "seedsRemoved": false }
for (me in mapEntries) {
if (me.key == "FULLNAME") {
configurationMap["fullName"] = me.value
} else if (me.key == "FAVOURITEFRUIT") {
configurationMap["favouriteFruit"] = me.value
} else if (me.key == "NEEDSPEELING") {
configurationMap["needsPeeling"] = true
} else if (me.key == "OTHERFAMILY") {
configurationMap["otherFamily"] = me.value.split(" , ").map { |s| s.trim() }.toList
} else if (me.key == "SEEDSREMOVED") {
configurationMap["seedsRemoved"] = true
} else {
System.print("Encountered unexpected key %(me.key)=%(me.value)")
}
}
System.print(Configuration.new(configurationMap))