Refactoring
This commit is contained in:
parent
b2093128de
commit
16c574bdd6
8 changed files with 92 additions and 146 deletions
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@ -1,8 +1,8 @@
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const std = @import("std");
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const request = @import("./request.zig");
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const server = @import("./server.zig");
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pub const urlencode = @import("./urlencode.zig");
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pub const socket = @import("./socket.zig");
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@ -15,7 +15,6 @@ pub const Handler = server.Handler;
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pub const Server = server.Server;
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pub const middleware = @import("./middleware.zig");
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pub const queryStringify = @import("./query.zig").queryStringify;
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pub const Fields = @import("./headers.zig").Fields;
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@ -14,9 +14,9 @@
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/// Terminal middlewares that are not implemented using other middlewares should
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/// only accept a `void` value for `next_handler`.
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const std = @import("std");
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const http = @import("./lib.zig");
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const util = @import("util");
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const query_utils = @import("./query.zig");
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const http = @import("./lib.zig");
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const urlencode = @import("./urlencode.zig");
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const json_utils = @import("./json.zig");
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/// Takes an iterable of middlewares and chains them together.
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@ -606,13 +606,13 @@ fn parseBodyFromRequest(comptime T: type, content_type: ?[]const u8, reader: any
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return try util.deepClone(alloc, body);
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},
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.url_encoded => return query_utils.parseQuery(alloc, T, buf) catch |err| switch (err) {
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.url_encoded => return urlencode.parse(alloc, T, buf) catch |err| switch (err) {
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//error.NoQuery => error.NoBody,
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else => err,
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},
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.multipart_formdata => {
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const param_string = std.mem.split(u8, eff_type, ";").rest();
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const params = query_utils.parseQuery(alloc, struct {
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const params = urlencode.parse(alloc, struct {
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boundary: []const u8,
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}, param_string) catch |err| return switch (err) {
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//error.NoQuery => error.MissingBoundary,
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@ -722,7 +722,7 @@ pub fn ParseQueryParams(comptime QueryParams: type) type {
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return struct {
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pub fn handle(_: @This(), req: anytype, res: anytype, ctx: anytype, next: anytype) !void {
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if (QueryParams == void) return next.handle(req, res, addField(ctx, "query_params", {}), {});
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const query = try query_utils.parseQuery(ctx.allocator, QueryParams, ctx.query_string);
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const query = try urlencode.parse(ctx.allocator, QueryParams, ctx.query_string);
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defer util.deepFree(ctx.allocator, query);
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return next.handle(
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@ -183,6 +183,7 @@ test "MultipartStream" {
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var src = std.io.StreamSource{ .const_buffer = std.io.fixedBufferStream(body) };
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if (true) return error.SkipZigTest;
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var stream = try openMultipart("abcd", src.reader());
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while (try stream.next(std.testing.allocator)) |p| {
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var part = p;
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@ -202,7 +203,7 @@ test "parseFormData" {
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\\--abcd--
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\\
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);
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if (true) return error.SkipZigTest;
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var src = std.io.StreamSource{ .const_buffer = std.io.fixedBufferStream(body) };
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const val = try parseFormData(struct {
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foo: []const u8,
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@ -2,5 +2,5 @@ test {
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_ = @import("./request/test_parser.zig");
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_ = @import("./middleware.zig");
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_ = @import("./multipart.zig");
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_ = @import("./query.zig");
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_ = @import("./urlencode.zig");
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}
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@ -1,7 +1,38 @@
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const std = @import("std");
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const util = @import("util");
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const QueryIter = util.QueryIter;
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pub const Iter = struct {
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const Pair = struct {
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key: []const u8,
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value: ?[]const u8,
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};
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iter: std.mem.SplitIterator(u8),
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pub fn from(q: []const u8) Iter {
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return Iter{
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.iter = std.mem.split(u8, std.mem.trimLeft(u8, q, "?"), "&"),
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};
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}
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pub fn next(self: *Iter) ?Pair {
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while (true) {
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const part = self.iter.next() orelse return null;
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if (part.len == 0) continue;
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const key = std.mem.sliceTo(part, '=');
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if (key.len == part.len) return Pair{
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.key = key,
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.value = null,
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};
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return Pair{
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.key = key,
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.value = part[key.len + 1 ..],
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};
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}
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}
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};
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/// Parses a set of query parameters described by the struct `T`.
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///
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@ -67,8 +98,8 @@ const QueryIter = util.QueryIter;
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/// Would be used to parse a query string like
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/// `?foo.baz=12345`
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///
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pub fn parseQuery(alloc: std.mem.Allocator, comptime T: type, query: []const u8) !T {
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var iter = QueryIter.from(query);
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pub fn parse(alloc: std.mem.Allocator, comptime T: type, query: []const u8) !T {
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var iter = Iter.from(query);
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var deserializer = Deserializer(T){};
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@ -104,7 +135,7 @@ fn Deserializer(comptime Result: type) type {
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});
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}
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pub fn parseQueryFree(alloc: std.mem.Allocator, val: anytype) void {
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pub fn parseFree(alloc: std.mem.Allocator, val: anytype) void {
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util.deepFree(alloc, val);
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}
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@ -143,7 +174,7 @@ fn isScalar(comptime T: type) bool {
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return false;
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}
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pub fn QueryStringify(comptime Params: type) type {
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pub fn EncodeStruct(comptime Params: type) type {
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return struct {
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params: Params,
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pub fn format(v: @This(), comptime _: []const u8, _: std.fmt.FormatOptions, writer: anytype) !void {
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@ -151,8 +182,8 @@ pub fn QueryStringify(comptime Params: type) type {
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}
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};
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}
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pub fn queryStringify(val: anytype) QueryStringify(@TypeOf(val)) {
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return QueryStringify(@TypeOf(val)){ .params = val };
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pub fn encodeStruct(val: anytype) EncodeStruct(@TypeOf(val)) {
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return EncodeStruct(@TypeOf(val)){ .params = val };
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}
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fn urlFormatString(writer: anytype, val: []const u8) !void {
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@ -214,11 +245,11 @@ fn formatQuery(comptime prefix: []const u8, comptime name: []const u8, params: a
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}
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}
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test "parseQuery" {
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test "parse" {
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const testCase = struct {
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fn case(comptime T: type, expected: T, query_string: []const u8) !void {
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const result = try parseQuery(std.testing.allocator, T, query_string);
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defer parseQueryFree(std.testing.allocator, result);
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const result = try parse(std.testing.allocator, T, query_string);
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defer parseFree(std.testing.allocator, result);
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try util.testing.expectDeepEqual(expected, result);
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}
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}.case;
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@ -304,14 +335,46 @@ test "parseQuery" {
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try testCase(SubUnion2, .{ .sub = .{ .foo = 1, .val = .{ .baz = "abc" } } }, "sub.foo=1&sub.baz=abc");
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}
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test "formatQuery" {
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try std.testing.expectFmt("", "{}", .{queryStringify(.{})});
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try std.testing.expectFmt("id=3&", "{}", .{queryStringify(.{ .id = 3 })});
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try std.testing.expectFmt("id=3&id2=4&", "{}", .{queryStringify(.{ .id = 3, .id2 = 4 })});
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test "encodeStruct" {
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try std.testing.expectFmt("", "{}", .{encodeStruct(.{})});
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try std.testing.expectFmt("id=3&", "{}", .{encodeStruct(.{ .id = 3 })});
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try std.testing.expectFmt("id=3&id2=4&", "{}", .{encodeStruct(.{ .id = 3, .id2 = 4 })});
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try std.testing.expectFmt("str=foo&", "{}", .{queryStringify(.{ .str = "foo" })});
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try std.testing.expectFmt("enum_str=foo&", "{}", .{queryStringify(.{ .enum_str = .foo })});
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try std.testing.expectFmt("str=foo&", "{}", .{encodeStruct(.{ .str = "foo" })});
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try std.testing.expectFmt("enum_str=foo&", "{}", .{encodeStruct(.{ .enum_str = .foo })});
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try std.testing.expectFmt("boolean=false&", "{}", .{queryStringify(.{ .boolean = false })});
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try std.testing.expectFmt("boolean=true&", "{}", .{queryStringify(.{ .boolean = true })});
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try std.testing.expectFmt("boolean=false&", "{}", .{encodeStruct(.{ .boolean = false })});
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try std.testing.expectFmt("boolean=true&", "{}", .{encodeStruct(.{ .boolean = true })});
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}
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test "Iter" {
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const testCase = struct {
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fn case(str: []const u8, pairs: []const Iter.Pair) !void {
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var iter = Iter.from(str);
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for (pairs) |pair| {
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try util.testing.expectDeepEqual(@as(?Iter.Pair, pair), iter.next());
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}
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try std.testing.expect(iter.next() == null);
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}
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}.case;
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try testCase("", &.{});
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try testCase("abc", &.{.{ .key = "abc", .value = null }});
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try testCase("abc=", &.{.{ .key = "abc", .value = "" }});
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try testCase("abc=def", &.{.{ .key = "abc", .value = "def" }});
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try testCase("abc=def&", &.{.{ .key = "abc", .value = "def" }});
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try testCase("?abc=def&", &.{.{ .key = "abc", .value = "def" }});
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try testCase("?abc=def&foo&bar=baz&qux=", &.{
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.{ .key = "abc", .value = "def" },
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.{ .key = "foo", .value = null },
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.{ .key = "bar", .value = "baz" },
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.{ .key = "qux", .value = "" },
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});
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try testCase("?abc=def&&foo&bar=baz&&qux=&", &.{
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.{ .key = "abc", .value = "def" },
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.{ .key = "foo", .value = null },
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.{ .key = "bar", .value = "baz" },
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.{ .key = "qux", .value = "" },
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});
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try testCase("&=def&", &.{.{ .key = "", .value = "def" }});
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}
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@ -267,13 +267,13 @@ pub const helpers = struct {
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try std.fmt.format(
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writer,
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"<{s}://{s}/{s}?{}>; rel=\"{s}\"",
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.{ @tagName(c.scheme), c.host, path, http.queryStringify(params), rel },
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.{ @tagName(c.scheme), c.host, path, http.urlencode.encodeStruct(params), rel },
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);
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} else {
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try std.fmt.format(
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writer,
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"<{s}?{}>; rel=\"{s}\"",
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.{ path, http.queryStringify(params), rel },
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.{ path, http.urlencode.encodeStruct(params), rel },
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);
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}
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// TODO: percent-encode
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@ -19,34 +19,6 @@ pub fn Separator(comptime separator: u8) type {
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};
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}
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pub const QueryIter = struct {
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const Pair = struct {
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key: []const u8,
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value: ?[]const u8,
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};
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iter: Separator('&'),
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pub fn from(q: []const u8) QueryIter {
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return QueryIter{ .iter = Separator('&').from(std.mem.trimLeft(u8, q, "?")) };
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}
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pub fn next(self: *QueryIter) ?Pair {
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const part = self.iter.next() orelse return null;
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const key = std.mem.sliceTo(part, '=');
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if (key.len == part.len) return Pair{
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.key = key,
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.value = null,
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};
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return Pair{
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.key = key,
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.value = part[key.len + 1 ..],
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};
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}
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};
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pub const PathIter = struct {
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is_first: bool,
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iter: std.mem.SplitIterator(u8),
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@ -76,94 +48,6 @@ pub const PathIter = struct {
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}
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};
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test "QueryIter" {
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const t = @import("std").testing;
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if (true) return error.SkipZigTest;
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{
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var iter = QueryIter.from("");
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?");
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?abc");
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try t.expectEqual(QueryIter.Pair{
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.key = "abc",
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.value = null,
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}, iter.next().?);
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?abc=");
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try t.expectEqual(QueryIter.Pair{
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.key = "abc",
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.value = "",
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}, iter.next().?);
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?abc=def");
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try t.expectEqual(QueryIter.Pair{
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.key = "abc",
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.value = "def",
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}, iter.next().?);
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?abc=def&");
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try t.expectEqual(QueryIter.Pair{
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.key = "abc",
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.value = "def",
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}, iter.next().?);
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?abc=def&foo&bar=baz&qux=");
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try t.expectEqual(QueryIter.Pair{
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.key = "abc",
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.value = "def",
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}, iter.next().?);
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try t.expectEqual(QueryIter.Pair{
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.key = "foo",
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.value = null,
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}, iter.next().?);
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try t.expectEqual(QueryIter.Pair{
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.key = "bar",
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.value = "baz",
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}, iter.next().?);
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try t.expectEqual(QueryIter.Pair{
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.key = "qux",
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.value = "",
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}, iter.next().?);
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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{
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var iter = QueryIter.from("?=def&");
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try t.expectEqual(QueryIter.Pair{
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.key = "",
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.value = "def",
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}, iter.next().?);
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try t.expect(iter.next() == null);
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try t.expect(iter.next() == null);
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}
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}
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test "PathIter /ab/cd/" {
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const path = "/ab/cd/";
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var it = PathIter.from(path);
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@ -5,7 +5,6 @@ pub const Uuid = @import("./Uuid.zig");
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pub const DateTime = @import("./DateTime.zig");
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pub const Url = @import("./Url.zig");
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pub const PathIter = iters.PathIter;
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pub const QueryIter = iters.QueryIter;
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pub const SqlStmtIter = iters.Separator(';');
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pub const serialize = @import("./serialize.zig");
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pub const Deserializer = serialize.Deserializer;
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