Struct

pub const Struct = struct {
    container: Container,

    fn begin(parent: *Serializer, options: ContainerOptions) Error!Struct {
        return .{
            .container = try Container.begin(parent, .named, options),
        };
    }

    /// Finishes serializing the struct.
    ///
    /// Prints a trailing comma as configured when appropriate, and the closing bracket.
    pub fn end(self: *Struct) Error!void {
        try self.container.end();
        self.* = undefined;
    }

    /// Serialize a field. Equivalent to calling `fieldPrefix` followed by `value`.
    pub fn field(
        self: *Struct,
        name: []const u8,
        val: anytype,
        options: ValueOptions,
    ) Error!void {
        try self.container.field(name, val, options);
    }

    /// Serialize a field. Equivalent to calling `fieldPrefix` followed by `valueMaxDepth`.
    /// Returns `error.ExceededMaxDepth` if `depth` is exceeded.
    pub fn fieldMaxDepth(
        self: *Struct,
        name: []const u8,
        val: anytype,
        options: ValueOptions,
        depth: usize,
    ) DepthError!void {
        try self.container.fieldMaxDepth(name, val, options, depth);
    }

    /// Serialize a field. Equivalent to calling `fieldPrefix` followed by
    /// `valueArbitraryDepth`.
    pub fn fieldArbitraryDepth(
        self: *Struct,
        name: []const u8,
        val: anytype,
        options: ValueOptions,
    ) Error!void {
        try self.container.fieldArbitraryDepth(name, val, options);
    }

    /// Starts a field with a struct as a value. Returns the struct.
    pub fn beginStructField(
        self: *Struct,
        name: []const u8,
        options: ContainerOptions,
    ) Error!Struct {
        try self.fieldPrefix(name);
        return self.container.serializer.beginStruct(options);
    }

    /// Starts a field with a tuple as a value. Returns the tuple.
    pub fn beginTupleField(
        self: *Struct,
        name: []const u8,
        options: ContainerOptions,
    ) Error!Tuple {
        try self.fieldPrefix(name);
        return self.container.serializer.beginTuple(options);
    }

    /// Print a field prefix. This prints any necessary commas, the field name (escaped if
    /// necessary) and whitespace as configured. Useful if you want to serialize the field
    /// value yourself.
    pub fn fieldPrefix(self: *Struct, name: []const u8) Error!void {
        try self.container.fieldPrefix(name);
    }
}