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2 changed files with 39 additions and 10 deletions

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@ -30,9 +30,9 @@ pub fn build(b: *std.Build) void {
b.installArtifact(lib);
const module = b.addModule("smithy", .{
.source_file = .{ .path = "src/smithy.zig" },
.root_source_file = .{ .path = "src/smithy.zig" },
});
lib.addModule("smithy", module);
lib.root_module.addImport("smithy", module);
// Creates a step for unit testing. This only builds the test executable
// but does not run it.

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@ -7,14 +7,16 @@ pub const Smithy = struct {
metadata: ModelMetadata,
shapes: []ShapeInfo,
allocator: std.mem.Allocator,
json_source: std.json.Parsed(std.json.Value),
const Self = @This();
pub fn init(allocator: std.mem.Allocator, version: []const u8, metadata: ModelMetadata, shapeinfo: []ShapeInfo) Smithy {
pub fn init(allocator: std.mem.Allocator, version: []const u8, metadata: ModelMetadata, shapeinfo: []ShapeInfo, json_source: std.json.Parsed(std.json.Value)) Smithy {
return .{
.version = version,
.metadata = metadata,
.shapes = shapeinfo,
.allocator = allocator,
.json_source = json_source,
};
}
pub fn deinit(self: Self) void {
@ -76,6 +78,7 @@ pub const Smithy = struct {
}
}
self.allocator.free(self.shapes);
self.json_source.deinit();
}
};
pub const ShapeInfo = struct {
@ -99,6 +102,8 @@ pub const TraitType = enum {
aws_auth_sigv4,
aws_protocol,
ec2_query_name,
json_name,
xml_name,
http,
http_header,
http_label,
@ -106,13 +111,16 @@ pub const TraitType = enum {
http_payload,
json_name,
xml_name,
required,
required, // required on the server
client_optional, // optional as far as the client is concerned
documentation,
pattern,
range,
length,
box,
sparse,
enum_value,
aws_query_error,
};
pub const Trait = union(TraitType) {
aws_api_service: struct {
@ -139,6 +147,7 @@ pub const Trait = union(TraitType) {
http_query: []const u8,
http_payload: struct {},
required: struct {},
client_optional: void,
documentation: []const u8,
pattern: []const u8,
range: struct { // most data is actually integers, but as some are floats, we'll use that here
@ -151,6 +160,11 @@ pub const Trait = union(TraitType) {
},
box: struct {},
sparse: struct {},
enum_value: []const u8,
aws_query_error: struct {
http_response_code: i64,
code: []const u8,
},
};
const ShapeType = enum {
blob,
@ -253,10 +267,10 @@ pub const AwsProtocol = enum {
};
pub fn parse(allocator: std.mem.Allocator, json_model: []const u8) !Smithy {
// construct a parser. We're not copying strings here, but that may
// be a poor decision
// construct a parser. We're not copying strings here
// Instead, we keep the original json string around
// This might be bad if we only need a small fraction of the original json source
var vt = try std.json.parseFromSlice(std.json.Value, allocator, json_model, .{});
defer vt.deinit();
return Smithy.init(
allocator,
vt.value.object.get("smithy").?.string,
@ -265,6 +279,7 @@ pub fn parse(allocator: std.mem.Allocator, json_model: []const u8) !Smithy {
.suppressions = &.{},
},
try shapes(allocator, vt.value.object.get("shapes").?.object),
vt,
);
}
@ -572,7 +587,7 @@ fn getShape(allocator: std.mem.Allocator, shape: std.json.Value) SmithyParseErro
}
fn parseMembers(allocator: std.mem.Allocator, shape: ?std.json.Value) SmithyParseError![]TypeMember {
var rc: []TypeMember = &.{};
const rc: []TypeMember = &.{};
if (shape == null)
return rc;
@ -606,7 +621,7 @@ fn parseTraitsOnly(allocator: std.mem.Allocator, shape: std.json.Value) SmithyPa
}
fn parseTraits(allocator: std.mem.Allocator, shape: ?std.json.Value) SmithyParseError![]Trait {
var rc: []Trait = &.{};
const rc: []Trait = &.{};
if (shape == null)
return rc;
@ -641,6 +656,8 @@ fn getTrait(trait_type: []const u8, value: std.json.Value) SmithyParseError!?Tra
};
if (std.mem.eql(u8, trait_type, "smithy.api#required"))
return Trait{ .required = .{} };
if (std.mem.eql(u8, trait_type, "smithy.api#clientOptional"))
return Trait{ .client_optional = {} };
if (std.mem.eql(u8, trait_type, "smithy.api#sparse"))
return Trait{ .sparse = .{} };
if (std.mem.eql(u8, trait_type, "smithy.api#box"))
@ -705,6 +722,14 @@ fn getTrait(trait_type: []const u8, value: std.json.Value) SmithyParseError!?Tra
.code = code,
} };
}
if (std.mem.eql(u8, trait_type, "aws.protocols#awsQueryError")) {
return Trait{
.aws_query_error = .{
.code = value.object.get("code").?.string, // code is required
.http_response_code = value.object.get("httpResponseCode").?.integer,
},
};
}
if (std.mem.eql(u8, trait_type, "smithy.api#jsonName"))
return Trait{ .json_name = value.string };
if (std.mem.eql(u8, trait_type, "smithy.api#xmlName"))
@ -722,6 +747,10 @@ fn getTrait(trait_type: []const u8, value: std.json.Value) SmithyParseError!?Tra
if (std.mem.eql(u8, trait_type, "smithy.api#xmlNamespace"))
return null;
if (std.mem.eql(u8, trait_type, "smithy.api#enumValue"))
return Trait{ .enum_value = value.string };
// TODO: win argument with compiler to get this comptime
const list =
\\aws.api#arnReference
@ -864,7 +893,7 @@ fn read_file_to_string(allocator: std.mem.Allocator, file_name: []const u8, max_
return file.readToEndAlloc(allocator, max_bytes);
}
const test_data: []const u8 = @embedFile("test.json");
const intrinsic_type_count: usize = 5; // 5 intrinsic types are added to every model
const intrinsic_type_count: usize = 15; // 15 intrinsic types are added to every model (see shapes() function)
test "parse string" {
const test_string =