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| #if macro | |
| import haxe.macro.Context; | |
| import haxe.macro.Expr; | |
| class SchemaTypeBuilder | |
| { | |
| public static function build(ref:String):haxe.macro.Type | |
| { | |
| var schema = haxe.Json.parse(sys.io.File.getContent(ref)); | |
| var type:ComplexType = parseType(schema); | |
| return haxe.macro.ComplexTypeTools.toType(type); | |
| } | |
| static function parseType(schema:Dynamic):ComplexType | |
| { | |
| return switch (schema.type) | |
| { | |
| case "integer": | |
| TPath({pack: [], name: "Int", params: []}); | |
| case "number": | |
| TPath({pack: [], name: "Float", params: []}); | |
| case "string": | |
| TPath({pack: [], name: "String", params: []}); | |
| case "boolean": | |
| TPath({pack: [], name: "Bool", params: []}); | |
| case "array": | |
| parseArrayType(schema); | |
| case "object": | |
| parseObjectType(schema); | |
| case unknown: | |
| throw "Unsupported JSON-schema type: " + unknown; | |
| }; | |
| } | |
| static function parseArrayType(schema:Dynamic):ComplexType | |
| { | |
| var type = if (Reflect.hasField(schema, "items")) | |
| parseType(schema.items); | |
| else | |
| TPath({pack: [], name: "Dynamic", params: []}); | |
| return TPath({pack: [], name: "Array", params: [TPType(type)]}); | |
| } | |
| static function parseObjectType(schema:Dynamic):ComplexType | |
| { | |
| if (Reflect.hasField(schema, "properties")) | |
| { | |
| var required:Array<String> = Reflect.hasField(schema, "required") ? schema.required : []; | |
| var fields:Array<Field> = []; | |
| var props = schema.properties; | |
| for (field in Reflect.fields(props)) | |
| { | |
| var meta = []; | |
| if (!Lambda.has(required, field)) | |
| meta.push({name: ":optional", params: [], pos: Context.currentPos()}); | |
| var subschema = Reflect.field(props, field); | |
| fields.push({ | |
| name: field, | |
| pos: Context.currentPos(), | |
| kind: FVar(parseType(subschema)), | |
| meta: meta | |
| }); | |
| } | |
| return TAnonymous(fields); | |
| } | |
| return TPath({pack: [], name: "Dynamic", params: [TPType(TPath({pack: [], name: "Dynamic", params: []}))]}); | |
| } | |
| } | |
| #end |
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| typedef MapItem = haxe.macro.MacroType<[SchemaTypeBuilder.build("schema.json")]>; |
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