neurocyte/cbor
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Merge branch 'master' into zig-0.14

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This commit is contained in:
CJ van den Berg 2025-01-30 18:15:07 +01:00
commit 53ddddbaa9
2 changed files with 30 additions and 4 deletions
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4
build.zig.zon
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@ -8,8 +8,8 @@
.hash = "12206a4050ebb2e2bf84ed477ea5fe0d0325f9292eef2cb8bd47ccda75a9b3d93516",
},
.tracy = .{
.url = "https://github.com/neurocyte/zig-tracy/archive/80b914d2391209de9ed5a1fd6f440642df55cbd4.tar.gz",
.hash = "1220351c8410936854e3baa10aa7bbe775196b3974a3d670808bebbab00631439285",
.url = "https://github.com/neurocyte/zig-tracy/archive/e04e31c64498149a324491b8534758e6af43a5c2.tar.gz",
.hash = "1220d0fb2bff7b453dbb39d1db3eb472b6680e2564f2b23b0e947671be47bbdd188f",
},
},
.paths = .{

30
src/cbor.zig
View file

@ -522,6 +522,21 @@ fn matchFloatValue(comptime T: type, iter: *[]const u8, val: T) Error!bool {
return if (try matchFloat(T, iter, &v)) v == val else false;
}
pub fn matchEnum(comptime T: type, iter_: *[]const u8, val: *T) Error!bool {
var iter = iter_.*;
var str: []const u8 = undefined;
if (try matchString(&iter, &str)) if (std.meta.stringToEnum(T, str)) |val_| {
val.* = val_;
iter_.* = iter;
return true;
};
return false;
}
fn matchEnumValue(comptime T: type, iter: *[]const u8, val: T) Error!bool {
return matchStringValue(iter, @tagName(val));
}
fn skipString(iter: *[]const u8, minor: u5) Error!void {
const len: usize = @intCast(try decodePInt(iter, minor));
if (iter.len < len)
@ -655,8 +670,9 @@ pub fn matchValue(iter: *[]const u8, value: anytype) Error!bool {
else
matchError(T),
.array => |info| if (info.child == u8) matchStringValue(iter, &value) else matchArray(iter, value, info),
.float => return matchFloatValue(T, iter, value),
.float => matchFloatValue(T, iter, value),
.comptime_float => matchFloatValue(f64, iter, value),
.@"enum" => matchEnumValue(T, iter, value),
else => @compileError("cannot match value type '" ++ @typeName(T) ++ "' to cbor stream"),
};
}
@ -855,6 +871,7 @@ fn Extractor(comptime T: type) type {
return false;
},
.float => return matchFloat(T, iter, self.dest),
.@"enum" => return matchEnum(T, iter, self.dest),
else => extractError(T),
}
}
@ -897,8 +914,11 @@ pub fn extract_cbor(dest: *[]const u8) CborExtractor {
}
pub fn JsonStream(comptime T: type) type {
return JsonStreamWriter(T.Writer);
}
pub fn JsonStreamWriter(comptime Writer: type) type {
return struct {
const Writer = T.Writer;
const JsonWriter = json.WriteStream(Writer, .{ .checked_to_fixed_depth = 256 });
fn jsonWriteArray(w: *JsonWriter, iter: *[]const u8, minor: u5) !void {
@ -954,6 +974,12 @@ pub fn toJson(cbor_buf: []const u8, json_buf: []u8) (JsonEncodeError || error{No
return fbs.getWritten();
}
pub fn toJsonWriter(cbor_buf: []const u8, writer: anytype, options: std.json.StringifyOptions) !void {
var s = json.writeStream(writer, options);
var iter: []const u8 = cbor_buf;
try JsonStreamWriter(@TypeOf(writer)).jsonWriteValue(&s, &iter);
}
pub fn toJsonAlloc(a: std.mem.Allocator, cbor_buf: []const u8) (JsonEncodeError)![]const u8 {
var buf = std.ArrayList(u8).init(a);
defer buf.deinit();