42 lines
1.4 KiB
D
42 lines
1.4 KiB
D
import std.stdio, std.string, std.conv, std.regex, std.getopt;
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enum VarName(alias var) = var.stringof;
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void setOpt(alias Var)(in string line) {
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auto m = match(line, regex(`^(?i)` ~ VarName!Var ~ `(?-i)(\s*=?\s+(.*))?`));
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if (!m.empty) {
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static if (is(typeof(Var) == string[]))
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Var = m.captures.length > 2 ? m.captures[2].split(regex(`\s*,\s*`)) : [""];
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static if (is(typeof(Var) == string))
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Var = m.captures.length > 2 ? m.captures[2] : "";
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static if (is(typeof(Var) == bool))
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Var = true;
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static if (is(typeof(Var) == int))
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Var = m.captures.length > 2 ? to!int(m.captures[2]) : 0;
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}
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}
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void main(in string[] args) {
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string fullName, favouriteFruit;
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string[] otherFamily;
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bool needsPeeling, seedsRemoved; // Default false.
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auto f = "readcfg.conf".File;
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foreach (line; f.byLine) {
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auto opt = line.strip.idup;
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setOpt!fullName(opt);
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setOpt!favouriteFruit(opt);
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setOpt!needsPeeling(opt);
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setOpt!seedsRemoved(opt);
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setOpt!otherFamily(opt);
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}
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writefln("%s = %s", VarName!fullName, fullName);
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writefln("%s = %s", VarName!favouriteFruit, favouriteFruit);
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writefln("%s = %s", VarName!needsPeeling, needsPeeling);
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writefln("%s = %s", VarName!seedsRemoved, seedsRemoved);
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writefln("%s = %s", VarName!otherFamily, otherFamily);
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}
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