54 lines
1.3 KiB
Zig
54 lines
1.3 KiB
Zig
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const std = @import("std");
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const ParamIter = struct {
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remaining: []const u8,
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target: []const u8,
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fn next(self: *ParamIter) ?[]const u8 {
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//
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_ = self;
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unreachable;
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}
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};
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pub fn getParam(str: []const u8, param: []const u8) !?[]const u8 {
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var iter = ParamIter{ .remaining = str, .target = param };
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const result = iter.next() orelse return null;
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if (iter.next() != null) return error.TooMany;
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return result;
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}
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fn isScalarType(comptime T: type) bool {
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return switch (T) {
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[]const u8 => true,
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else => switch (@typeInfo(T)) {
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.Int, .Float, .Bool => true,
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.Optional => |info| isScalarType(info.child),
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.Enum => |info| if (info.is_exhaustive)
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true
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else
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@compileError("Unsupported type " ++ @typeName(T)),
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.Struct => false,
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else => @compileError("Unsupported type " ++ @typeName(T)),
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},
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};
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}
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pub fn parseQueryArgs(comptime T: type, str: []const u8) !T {
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var result = std.mem.zeroInit(T, .{});
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_ = str;
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for (std.meta.fields(T)) |field| {
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const ParseType = switch (@typeInfo(field.field_type)) {
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.Optional => |info| info.child,
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else => field.field_type,
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};
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_ = ParseType;
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}
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return result;
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}
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