Compare commits
2 Commits
61757c9336
...
8ab36acb45
Author | SHA1 | Date |
---|---|---|
Nathan Fisher | 8ab36acb45 | |
Nathan Fisher | 2578b0f4fa |
260
src/main.zig
260
src/main.zig
|
@ -2,196 +2,15 @@ const std = @import("std");
|
|||
const debug = std.debug;
|
||||
const testing = std.testing;
|
||||
pub const Year = @import("year.zig").Year;
|
||||
pub const Month = @import("month.zig").Month;
|
||||
pub const tz = @import("timezone.zig");
|
||||
pub const Offset = tz.Offset;
|
||||
pub const TimeZone = tz.TimeZone;
|
||||
|
||||
pub const SECONDS_PER_MINUTE = 60;
|
||||
pub const SECONDS_PER_HOUR = 60 * 60;
|
||||
pub const SECONDS_PER_DAY = SECONDS_PER_HOUR * 24;
|
||||
|
||||
pub const Month = enum(u4) {
|
||||
january = 1,
|
||||
february = 2,
|
||||
march = 3,
|
||||
april = 4,
|
||||
may = 5,
|
||||
june = 6,
|
||||
july = 7,
|
||||
august = 8,
|
||||
september = 9,
|
||||
october = 10,
|
||||
november = 11,
|
||||
december = 12,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
pub fn days(self: Self, year: Year) u5 {
|
||||
return switch (@enumToInt(self)) {
|
||||
1, 3, 5, 7, 8, 10, 12 => 31,
|
||||
2 => switch (year) {
|
||||
.normal => 28,
|
||||
.leap => 29,
|
||||
},
|
||||
else => 30,
|
||||
};
|
||||
}
|
||||
|
||||
pub fn seconds(self: Self, year: Year) u32 {
|
||||
return @as(u32, self.days(year)) * SECONDS_PER_DAY;
|
||||
}
|
||||
|
||||
pub fn next(self: Self) ?Self {
|
||||
const num = @enumToInt(self);
|
||||
return if (num < 12) @intToEnum(Self, num + 1) else null;
|
||||
}
|
||||
|
||||
pub fn previous(self: Self) ?Self {
|
||||
const num = @enumToInt(self);
|
||||
return if (num > 1) @intToEnum(Self, num - 1) else null;
|
||||
}
|
||||
};
|
||||
|
||||
test "new year" {
|
||||
try testing.expectEqual(Year.new(2023), Year{ .normal = 2023 });
|
||||
try testing.expectEqual(Year.new(2024), Year{ .leap = 2024 });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "get year" {
|
||||
try testing.expectEqual(Year.new(2023).get(), 2023);
|
||||
try testing.expectEqual(Year.new(2024).get(), 2024);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "next year" {
|
||||
try testing.expectEqual(Year.new(2023).next(), Year{ .leap = 2024 });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "last year" {
|
||||
try testing.expectEqual(Year.new(2024).previous(), Year{ .normal = 2023 });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "get days in month" {
|
||||
const year = Year.new(2023);
|
||||
const month = Month.february;
|
||||
try testing.expectEqual(month.days(year), 28);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "next month" {
|
||||
try testing.expectEqual(Month.june.next(), .july);
|
||||
try testing.expectEqual(Month.december.next(), null);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "last month" {
|
||||
try testing.expectEqual(Month.june.previous(), .may);
|
||||
try testing.expectEqual(Month.january.previous(), null);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
pub const TimeZoneTag = enum(u1) {
|
||||
utc,
|
||||
offset,
|
||||
};
|
||||
|
||||
pub const Sign = enum(u1) {
|
||||
positive,
|
||||
negative,
|
||||
};
|
||||
|
||||
const HoursMinutes = struct {
|
||||
hours: u4,
|
||||
minutes: ?u6,
|
||||
};
|
||||
|
||||
pub const Offset = union(Sign) {
|
||||
positive: HoursMinutes,
|
||||
negative: HoursMinutes,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
fn new(hours: i8, minutes: ?u6) ?Self {
|
||||
if (hours > 12 or hours < -12) {
|
||||
return null;
|
||||
}
|
||||
if (minutes) |m| {
|
||||
if (m > 59) return null;
|
||||
if (hours == 0 and m == 0) return null;
|
||||
} else if (hours == 0) return null;
|
||||
if (hours < 0) {
|
||||
const h = @intCast(u4, @as(i8, hours) * -1);
|
||||
return Self{ .negative = .{ .hours = h, .minutes = minutes } };
|
||||
} else {
|
||||
return Self{ .positive = .{ .hours = @intCast(u4, hours), .minutes = minutes } };
|
||||
}
|
||||
}
|
||||
|
||||
fn asSeconds(self: Self) i64 {
|
||||
return switch (self) {
|
||||
.positive => |ofs| blk: {
|
||||
var seconds = @as(i64, ofs.hours) * 3600;
|
||||
if (ofs.minutes) |m| seconds += (@as(i64, m) * 60);
|
||||
break :blk seconds;
|
||||
},
|
||||
.negative => |ofs| blk: {
|
||||
var seconds = @as(i64, ofs.hours) * 3600;
|
||||
if (ofs.minutes) |m| seconds += (@as(i64, m) * 60);
|
||||
break :blk seconds * -1;
|
||||
},
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
test "new offsets" {
|
||||
try testing.expectEqual(Offset.new(-5, null), Offset{ .negative = .{ .hours = 5, .minutes = null } });
|
||||
try testing.expectEqual(Offset.new(3, null), Offset{ .positive = .{ .hours = 3, .minutes = null } });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "as seconds" {
|
||||
try testing.expectEqual(Offset.new(-4, 30).?.asSeconds(), -16200);
|
||||
try testing.expectEqual(Offset.new(3, null).?.asSeconds(), 10800);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
pub const TimeZone = union(TimeZoneTag) {
|
||||
utc: void,
|
||||
offset: Offset,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
pub fn new(hours: ?i8, minutes: ?u6) ?Self {
|
||||
return if (hours) |h| blk: {
|
||||
if (h == 0) {
|
||||
break :blk .utc;
|
||||
} else if (Offset.new(h, minutes)) |ofs| {
|
||||
break :blk Self{ .offset = ofs };
|
||||
} else {
|
||||
break :blk null;
|
||||
}
|
||||
} else if (minutes) |m| Self{ .offset = Offset.new(0, m).? } else .utc;
|
||||
}
|
||||
};
|
||||
|
||||
test "new timezone" {
|
||||
const tz = TimeZone.new(-5, null).?;
|
||||
try testing.expectEqual(@as(TimeZoneTag, tz), .offset);
|
||||
switch (tz) {
|
||||
.offset => |ofs| try testing.expectEqual(ofs, Offset{ .negative = .{ .hours = 5, .minutes = null } }),
|
||||
else => unreachable,
|
||||
}
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "new timezone utc" {
|
||||
const tz0 = TimeZone.new(null, null).?;
|
||||
const tz1 = TimeZone.new(0, null).?;
|
||||
try testing.expectEqual(@as(TimeZoneTag, tz0), .utc);
|
||||
try testing.expectEqual(@as(TimeZoneTag, tz1), .utc);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
pub const WeekDay = enum(u3) {
|
||||
thursday = 0,
|
||||
friday,
|
||||
|
@ -364,6 +183,77 @@ pub const DateTime = struct {
|
|||
}
|
||||
};
|
||||
|
||||
test "new year" {
|
||||
try testing.expectEqual(Year.new(2023), Year{ .normal = 2023 });
|
||||
try testing.expectEqual(Year.new(2024), Year{ .leap = 2024 });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "get year" {
|
||||
try testing.expectEqual(Year.new(2023).get(), 2023);
|
||||
try testing.expectEqual(Year.new(2024).get(), 2024);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "next year" {
|
||||
try testing.expectEqual(Year.new(2023).next(), Year{ .leap = 2024 });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "last year" {
|
||||
try testing.expectEqual(Year.new(2024).previous(), Year{ .normal = 2023 });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "get days in month" {
|
||||
const year = Year.new(2023);
|
||||
const month = Month.february;
|
||||
try testing.expectEqual(month.days(year), 28);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "next month" {
|
||||
try testing.expectEqual(Month.june.next(), .july);
|
||||
try testing.expectEqual(Month.december.next(), null);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "last month" {
|
||||
try testing.expectEqual(Month.june.previous(), .may);
|
||||
try testing.expectEqual(Month.january.previous(), null);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "new offsets" {
|
||||
try testing.expectEqual(Offset.new(-5, null), Offset{ .negative = .{ .hours = 5, .minutes = null } });
|
||||
try testing.expectEqual(Offset.new(3, null), Offset{ .positive = .{ .hours = 3, .minutes = null } });
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "as seconds" {
|
||||
try testing.expectEqual(Offset.new(-4, 30).?.asSeconds(), -16200);
|
||||
try testing.expectEqual(Offset.new(3, null).?.asSeconds(), 10800);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "new timezone" {
|
||||
const zone = TimeZone.new(-5, null).?;
|
||||
try testing.expectEqual(@as(tz.TimeZoneTag, zone), .offset);
|
||||
switch (zone) {
|
||||
.offset => |ofs| try testing.expectEqual(ofs, Offset{ .negative = .{ .hours = 5, .minutes = null } }),
|
||||
else => unreachable,
|
||||
}
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "new timezone utc" {
|
||||
const tz0 = TimeZone.new(null, null).?;
|
||||
const tz1 = TimeZone.new(0, null).?;
|
||||
try testing.expectEqual(@as(tz.TimeZoneTag, tz0), .utc);
|
||||
try testing.expectEqual(@as(tz.TimeZoneTag, tz1), .utc);
|
||||
debug.print("Passed\n", .{});
|
||||
}
|
||||
|
||||
test "get year" {
|
||||
const dt = DateTime{
|
||||
.year = Year.new(2023),
|
||||
|
|
|
@ -0,0 +1,47 @@
|
|||
const std = @import("std");
|
||||
const debug = std.debug;
|
||||
const testing = std.testing;
|
||||
const Year = @import("year.zig").Year;
|
||||
const SECONDS_PER_DAY = @import("main.zig").SECONDS_PER_DAY;
|
||||
|
||||
pub const Month = enum(u4) {
|
||||
january = 1,
|
||||
february = 2,
|
||||
march = 3,
|
||||
april = 4,
|
||||
may = 5,
|
||||
june = 6,
|
||||
july = 7,
|
||||
august = 8,
|
||||
september = 9,
|
||||
october = 10,
|
||||
november = 11,
|
||||
december = 12,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
pub fn days(self: Self, year: Year) u5 {
|
||||
return switch (@enumToInt(self)) {
|
||||
1, 3, 5, 7, 8, 10, 12 => 31,
|
||||
2 => switch (year) {
|
||||
.normal => 28,
|
||||
.leap => 29,
|
||||
},
|
||||
else => 30,
|
||||
};
|
||||
}
|
||||
|
||||
pub fn seconds(self: Self, year: Year) u32 {
|
||||
return @as(u32, self.days(year)) * SECONDS_PER_DAY;
|
||||
}
|
||||
|
||||
pub fn next(self: Self) ?Self {
|
||||
const num = @enumToInt(self);
|
||||
return if (num < 12) @intToEnum(Self, num + 1) else null;
|
||||
}
|
||||
|
||||
pub fn previous(self: Self) ?Self {
|
||||
const num = @enumToInt(self);
|
||||
return if (num > 1) @intToEnum(Self, num - 1) else null;
|
||||
}
|
||||
};
|
|
@ -0,0 +1,75 @@
|
|||
const std = @import("std");
|
||||
const debug = std.debug;
|
||||
const testing = std.testing;
|
||||
|
||||
pub const TimeZoneTag = enum(u1) {
|
||||
utc,
|
||||
offset,
|
||||
};
|
||||
|
||||
pub const Sign = enum(u1) {
|
||||
positive,
|
||||
negative,
|
||||
};
|
||||
|
||||
const HoursMinutes = struct {
|
||||
hours: u4,
|
||||
minutes: ?u6,
|
||||
};
|
||||
|
||||
pub const Offset = union(Sign) {
|
||||
positive: HoursMinutes,
|
||||
negative: HoursMinutes,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
pub fn new(hours: i8, minutes: ?u6) ?Self {
|
||||
if (hours > 12 or hours < -12) {
|
||||
return null;
|
||||
}
|
||||
if (minutes) |m| {
|
||||
if (m > 59) return null;
|
||||
if (hours == 0 and m == 0) return null;
|
||||
} else if (hours == 0) return null;
|
||||
if (hours < 0) {
|
||||
const h = @intCast(u4, @as(i8, hours) * -1);
|
||||
return Self{ .negative = .{ .hours = h, .minutes = minutes } };
|
||||
} else {
|
||||
return Self{ .positive = .{ .hours = @intCast(u4, hours), .minutes = minutes } };
|
||||
}
|
||||
}
|
||||
|
||||
pub fn asSeconds(self: Self) i64 {
|
||||
return switch (self) {
|
||||
.positive => |ofs| blk: {
|
||||
var seconds = @as(i64, ofs.hours) * 3600;
|
||||
if (ofs.minutes) |m| seconds += (@as(i64, m) * 60);
|
||||
break :blk seconds;
|
||||
},
|
||||
.negative => |ofs| blk: {
|
||||
var seconds = @as(i64, ofs.hours) * 3600;
|
||||
if (ofs.minutes) |m| seconds += (@as(i64, m) * 60);
|
||||
break :blk seconds * -1;
|
||||
},
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
pub const TimeZone = union(TimeZoneTag) {
|
||||
utc: void,
|
||||
offset: Offset,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
pub fn new(hours: ?i8, minutes: ?u6) ?Self {
|
||||
return if (hours) |h| blk: {
|
||||
if (h == 0) {
|
||||
break :blk .utc;
|
||||
} else if (Offset.new(h, minutes)) |ofs| {
|
||||
break :blk Self{ .offset = ofs };
|
||||
} else {
|
||||
break :blk null;
|
||||
}
|
||||
} else if (minutes) |m| Self{ .offset = Offset.new(0, m).? } else .utc;
|
||||
}
|
||||
};
|
Loading…
Reference in New Issue