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8a5818535b
* Export invalidFmtErr To allow consistent use of "invalid format string" compile error response for badly formatted format strings. See https://github.com/ziglang/zig/pull/13489#issuecomment-1311759340. * Replace format compile errors with invalidFmtErr - Provides more consistent compile errors. - Gives user info about the type of the badly formated value. * Rename invalidFmtErr as invalidFmtError For consistency. Zig seems to use “Error” more often than “Err”. * std: add invalid format string checks to remaining custom formatters * pass reference-trace to comp when building build file; fix checkobjectstep
57 lines
1.8 KiB
Zig
57 lines
1.8 KiB
Zig
const std = @import("../../std.zig");
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const fmt = std.fmt;
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const IPv4 = std.x.os.IPv4;
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const IPv6 = std.x.os.IPv6;
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const Socket = std.x.os.Socket;
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/// A generic IP abstraction.
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const ip = @This();
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/// A union of all eligible types of IP addresses.
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pub const Address = union(enum) {
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ipv4: IPv4.Address,
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ipv6: IPv6.Address,
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/// Instantiate a new address with a IPv4 host and port.
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pub fn initIPv4(host: IPv4, port: u16) Address {
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return .{ .ipv4 = .{ .host = host, .port = port } };
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}
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/// Instantiate a new address with a IPv6 host and port.
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pub fn initIPv6(host: IPv6, port: u16) Address {
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return .{ .ipv6 = .{ .host = host, .port = port } };
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}
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/// Re-interpret a generic socket address into an IP address.
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pub fn from(address: Socket.Address) ip.Address {
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return switch (address) {
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.ipv4 => |ipv4_address| .{ .ipv4 = ipv4_address },
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.ipv6 => |ipv6_address| .{ .ipv6 = ipv6_address },
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};
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}
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/// Re-interpret an IP address into a generic socket address.
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pub fn into(self: ip.Address) Socket.Address {
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return switch (self) {
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.ipv4 => |ipv4_address| .{ .ipv4 = ipv4_address },
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.ipv6 => |ipv6_address| .{ .ipv6 = ipv6_address },
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};
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}
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/// Implements the `std.fmt.format` API.
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pub fn format(
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self: ip.Address,
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comptime layout: []const u8,
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opts: fmt.FormatOptions,
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writer: anytype,
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) !void {
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if (layout.len != 0) std.fmt.invalidFmtError(layout, self);
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_ = opts;
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switch (self) {
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.ipv4 => |address| try fmt.format(writer, "{}:{}", .{ address.host, address.port }),
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.ipv6 => |address| try fmt.format(writer, "{}:{}", .{ address.host, address.port }),
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}
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}
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};
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