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add --font-size flag for font size in pixels

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This commit is contained in:
Mitchell Hashimoto
2022-07-21 21:35:04 -07:00
parent 578679fb35
commit 6641fcbd4c
6 changed files with 33 additions and 9 deletions
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30
src/cli_args.zig
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@@ -72,17 +72,23 @@ fn parseIntoField(
const fieldInfo = @typeInfo(Field);
// If the type implements a parse function, call that.
if (fieldInfo == .Struct and @hasDecl(Field, "parseCLI"))
break :field try Field.parseCLI(value);
// Otherwise infer based on type
break :field switch (Field) {
// NOTE(mitchellh): this is a pretty nasty break statement.
// I split it into two at first and it failed with Zig as of
// July 21, 2022. I think stage2+ will fix this so lets clean
// this up when that comes out.
break :field if (fieldInfo == .Struct and @hasDecl(Field, "parseCLI"))
try Field.parseCLI(value)
else switch (Field) {
[]const u8 => if (value) |slice| value: {
const buf = try alloc.alloc(u8, slice.len);
mem.copy(u8, buf, slice);
break :value buf;
} else return error.ValueRequired,
bool => try parseBool(value orelse "t"),
u8 => try std.fmt.parseInt(u8, value orelse return error.ValueRequired, 0),
else => unreachable,
};
};
@@ -177,6 +183,20 @@ test "parseIntoField: bool" {
try testing.expectEqual(false, data.a);
}
test "parseIntoField: unsigned numbers" {
const testing = std.testing;
var arena = ArenaAllocator.init(testing.allocator);
defer arena.deinit();
const alloc = arena.allocator();
var data: struct {
@"u8": u8,
} = undefined;
try parseIntoField(@TypeOf(data), alloc, &data, "u8", "1");
try testing.expectEqual(@as(u8, 1), data.@"u8");
}
test "parseIntoField: optional field" {
const testing = std.testing;
var arena = ArenaAllocator.init(testing.allocator);