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input: add format support for tuple args

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This commit is contained in:
Mitchell Hashimoto
2023-11-06 09:19:59 -08:00
parent bc0d1a9255
commit 1ff81682f7
1 changed files with 28 additions and 14 deletions
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38
src/input/Binding.zig
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@ -356,24 +356,38 @@ pub const Action = union(enum) {
switch (self) {
inline else => |value| {
const Value = @TypeOf(value);
const value_info = @typeInfo(Value);
// All actions start with the tag.
try writer.print("{s}", .{@tagName(self)});
// Write the value depending on the type
switch (Value) {
void => {},
[]const u8 => try writer.print(":{s}", .{value}),
else => switch (value_info) {
.Enum => try writer.print(":{s}", .{@tagName(value)}),
.Float => try writer.print(":{d}", .{value}),
.Int => try writer.print(":{d}", .{value}),
.Struct => try writer.print("{} (not configurable)", .{value}),
else => @compileError("unhandled type: " ++ @typeName(Value)),
try writer.writeAll(":");
try formatValue(writer, value);
},
}
}
fn formatValue(
writer: anytype,
value: anytype,
) !void {
const Value = @TypeOf(value);
const value_info = @typeInfo(Value);
switch (Value) {
void => {},
[]const u8 => try writer.print("{s}", .{value}),
else => switch (value_info) {
.Enum => try writer.print("{s}", .{@tagName(value)}),
.Float => try writer.print("{d}", .{value}),
.Int => try writer.print("{d}", .{value}),
.Struct => |info| if (!info.is_tuple) {
try writer.print("{} (not configurable)", .{value});
} else {
inline for (info.fields, 0..) |field, i| {
try formatValue(writer, @field(value, field.name));
if (i + 1 < info.fields.len) try writer.writeAll(",");
}
},
else => @compileError("unhandled type: " ++ @typeName(Value)),
},
}
}