tv4: add support propertyNames

jsonform/tv4.js

@@ -1059,6 +1059,11 @@ ValidatorContext.prototype.validateObjectProperties = function validateObjectPro
 	for (var key in data) {
 		var keyPointerPath = dataPointerPath + "/" + key.replace(/~/g, '~0').replace(/\//g, '~1');
 		var foundMatch = false;
+		if (schema.propertyNames !== undefined && schema.propertyNames !== true) {
+			if (error = this.validateAllValidators(key, schema.propertyNames, keyPointerPath)) {
+				return this.createError(ErrorCodes.OBJECT_PROPERTY_NAMES, {key: key, error: error.message}, '', '/propertyNames', null, data, schema).prefixWith(key, null);
+			}
+		}
 		if (schema.properties !== undefined && schema.properties[key] !== undefined) {
 			foundMatch = true;
 			if (error = this.validateAll(data[key], schema.properties[key], [key], ["properties", key], keyPointerPath)) {
@@ -1447,6 +1452,7 @@ var ErrorCodes = {
 	OBJECT_REQUIRED: 302,
 	OBJECT_ADDITIONAL_PROPERTIES: 303,
 	OBJECT_DEPENDENCY_KEY: 304,
+	OBJECT_PROPERTY_NAMES: 305,
 	// Array errors
 	ARRAY_LENGTH_SHORT: 400,
 	ARRAY_LENGTH_LONG: 401,
@@ -1491,6 +1497,7 @@ var ErrorMessagesDefault = {
 	OBJECT_REQUIRED: "Missing required property: {key}",
 	OBJECT_ADDITIONAL_PROPERTIES: "Additional properties not allowed",
 	OBJECT_DEPENDENCY_KEY: "Dependency failed - key must exist: {missing} (due to key: {key})",
+	OBJECT_PROPERTY_NAMES: "Property name \"{key}\" does not match schema with error: {error}",
 	// Array errors
 	ARRAY_LENGTH_SHORT: "Array is too short ({length}), minimum {minimum}",
 	ARRAY_LENGTH_LONG: "Array is too long ({length}), maximum {maximum}",