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headers iterators should not allocate

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This commit is contained in:
Muki Kiboigo
2025-09-08 07:23:13 -07:00
parent 20463a662b
commit 9bbd06ce76
1 changed files with 12 additions and 17 deletions
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29
src/browser/fetch/Headers.zig
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@@ -141,11 +141,11 @@ pub fn _delete(self: *Headers, name: []const u8) void {
pub const HeaderEntryIterator = struct { pub const HeaderEntryIterator = struct {
slot: [][]const u8, slot: [][]const u8,
iter: *HeaderHashMap.Iterator, iter: HeaderHashMap.Iterator,
// TODO: these SHOULD be in lexigraphical order but I'm not sure how actually // TODO: these SHOULD be in lexigraphical order but I'm not sure how actually
// important that is. // important that is.
pub fn _next(self: *HeaderEntryIterator) !?[]const []const u8 { pub fn _next(self: *HeaderEntryIterator) ?[]const []const u8 {
if (self.iter.next()) |entry| { if (self.iter.next()) |entry| {
self.slot[0] = entry.key_ptr.*; self.slot[0] = entry.key_ptr.*;
self.slot[1] = entry.value_ptr.*; self.slot[1] = entry.value_ptr.*;
@@ -157,10 +157,10 @@ pub const HeaderEntryIterator = struct {
}; };
pub fn _entries(self: *const Headers, page: *Page) !HeaderEntryIterator { pub fn _entries(self: *const Headers, page: *Page) !HeaderEntryIterator {
const iter = try page.arena.create(HeaderHashMap.Iterator); return .{
iter.* = self.headers.iterator(); .slot = try page.arena.alloc([]const u8, 2),
.iter = self.headers.iterator(),
return .{ .slot = try page.arena.alloc([]const u8, 2), .iter = iter }; };
} }
pub fn _forEach(self: *Headers, callback_fn: Env.Function, this_arg: ?Env.JsObject) !void { pub fn _forEach(self: *Headers, callback_fn: Env.Function, this_arg: ?Env.JsObject) !void {
@@ -193,7 +193,7 @@ pub fn _has(self: *const Headers, name: []const u8) bool {
} }
pub const HeaderKeyIterator = struct { pub const HeaderKeyIterator = struct {
iter: *HeaderHashMap.KeyIterator, iter: HeaderHashMap.KeyIterator,
pub fn _next(self: *HeaderKeyIterator) !?[]const u8 { pub fn _next(self: *HeaderKeyIterator) !?[]const u8 {
if (self.iter.next()) |key| { if (self.iter.next()) |key| {
@@ -204,11 +204,8 @@ pub const HeaderKeyIterator = struct {
} }
}; };
pub fn _keys(self: *const Headers, page: *Page) !HeaderKeyIterator { pub fn _keys(self: *const Headers, _: *Page) HeaderKeyIterator {
const iter = try page.arena.create(HeaderHashMap.KeyIterator); return .{ .iter = self.headers.keyIterator() };
iter.* = self.headers.keyIterator();
return .{ .iter = iter };
} }
pub fn _set(self: *Headers, name: []const u8, value: []const u8, page: *Page) !void { pub fn _set(self: *Headers, name: []const u8, value: []const u8, page: *Page) !void {
@@ -219,7 +216,7 @@ pub fn _set(self: *Headers, name: []const u8, value: []const u8, page: *Page) !v
} }
pub const HeaderValueIterator = struct { pub const HeaderValueIterator = struct {
iter: *HeaderHashMap.ValueIterator, iter: HeaderHashMap.ValueIterator,
pub fn _next(self: *HeaderValueIterator) !?[]const u8 { pub fn _next(self: *HeaderValueIterator) !?[]const u8 {
if (self.iter.next()) |value| { if (self.iter.next()) |value| {
@@ -230,10 +227,8 @@ pub const HeaderValueIterator = struct {
} }
}; };
pub fn _values(self: *const Headers, page: *Page) !HeaderValueIterator { pub fn _values(self: *const Headers, _: *Page) HeaderValueIterator {
const iter = try page.arena.create(HeaderHashMap.ValueIterator); return .{ .iter = self.headers.valueIterator() };
iter.* = self.headers.valueIterator();
return .{ .iter = iter };
} }
const testing = @import("../../testing.zig"); const testing = @import("../../testing.zig");