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json-model.js
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json-model.js
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"use strict";
(function (global, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define([], factory);
} else if (typeof module !== 'undefined' && module.exports){
// CommonJS. Define export.
module.exports = factory();
} else {
// Browser globals
global.JsonModel = factory();
}
})(this, function () {
var api = {
version: /*VERSION*/"0.2.24"/*/VERSION*/
};
var schema2js = {};
// parseURI() and resolveUrl() are from https://gist.github.com/1088850
// - released as public domain by author ("Yaffle") - see comments on gist
function parseURI(url) {
var m = String(url).replace(/^\s+|\s+$/g, '').match(/^([^:\/?#]+:)?(\/\/(?:[^:@]*(?::[^:@]*)?@)?(([^:\/?#]*)(?::(\d*))?))?([^?#]*)(\?[^#]*)?(#[\s\S]*)?/);
// authority = '//' + user + ':' + pass '@' + hostname + ':' port
return (m ? {
href : m[0] || '',
protocol : m[1] || '',
authority: m[2] || '',
host : m[3] || '',
hostname : m[4] || '',
port : m[5] || '',
pathname : m[6] || '',
search : m[7] || '',
hash : m[8] || ''
} : null);
}
function resolveUrl(base, href) {// RFC 3986
function removeDotSegments(input) {
var output = [];
input.replace(/^(\.\.?(\/|$))+/, '')
.replace(/\/(\.(\/|$))+/g, '/')
.replace(/\/\.\.$/, '/../')
.replace(/\/?[^\/]*/g, function (p) {
if (p === '/..') {
output.pop();
} else {
output.push(p);
}
});
return output.join('').replace(/^\//, input.charAt(0) === '/' ? '/' : '');
}
href = parseURI(href || '');
base = parseURI(base || '');
return !href || !base ? null : (href.protocol || base.protocol) +
(href.protocol || href.authority ? href.authority : base.authority) +
removeDotSegments(href.protocol || href.authority || href.pathname.charAt(0) === '/' ? href.pathname : (href.pathname ? ((base.authority && !base.pathname ? '/' : '') + base.pathname.slice(0, base.pathname.lastIndexOf('/') + 1) + href.pathname) : base.pathname)) +
(href.protocol || href.authority || href.pathname ? href.search : (href.search || base.search)) +
href.hash;
}
function isTrustedUrl(baseUrl, testUrl) {
if(testUrl.substring(0, baseUrl.length) === baseUrl){
var remainder = testUrl.substring(baseUrl.length);
if ((testUrl.length > 0 && testUrl.charAt(baseUrl.length - 1) === "/")
|| remainder.charAt(0) === "#"
|| remainder.charAt(0) === "?") {
return true;
}
}
return false;
}
schema2js.util = {
parseUrl: parseURI,
resolveUrl: resolveUrl,
isSubUrl: isTrustedUrl
};
var SchemaStore = schema2js.SchemaStore = function SchemaStore(parent) {
this.schemas = parent ? Object.create(parent.schemas) : {};
this.missingUrls = parent ? Object.create(parent.missingUrls) : {};
this.missing = function (url, noAdd) {
if (url === undefined) {
if (!parent) {
return Object.keys(this.missingUrls);
} else {
var result = [];
for (var key in this.missingUrls) {
if (parent.missing(key)) {
result.push(key);
} else {
delete this.missingUrls[key];
}
}
return result;
}
} else {
if (this.schemas[url]) return false;
var baseUrl = url.replace(/#.*/, '');
var result = (this.missingUrls[baseUrl] || !(baseUrl in this.schemas)) && (!parent || parent.missing(url));
if (result && !noAdd) {
this.missingUrls[baseUrl] = true;
}
return result;
}
};
};
SchemaStore.prototype = {
child: function () {
return new SchemaStore(this);
},
add: function (url, schema) {
if (typeof url === 'object') {
schema = url;
url = schema.id || arguments[1];
}
var baseUrl = url.replace(/#.*/, '');
if (url === baseUrl + '#') {
url = baseUrl;
}
if (schema) schema.id = schema.id || url;
delete this.missingUrls[baseUrl];
this.schemas[url] = schema;
this._searchSchema(schema, url);
},
_searchSchema: function (schema, baseUri) {
if (schema && typeof schema === "object") {
if (baseUri === undefined) {
baseUri = schema.id;
} else if (typeof schema.id === "string") {
schema.id = baseUri = resolveUrl(baseUri, schema.id);
}
if (Array.isArray(schema)) {
for (var i = 0; i < schema.length; i++) {
this._searchSchema(schema[i], baseUri);
}
} else {
if (typeof schema.id === 'string' && isTrustedUrl(baseUri, schema.id)) {
if (this.schemas[schema.id] === undefined) {
this.schemas[schema.id] = schema;
}
}
if (typeof schema['$ref'] === "string") {
schema['$ref'] = resolveUrl(baseUri, schema['$ref']);
}
for (var key in schema) {
if (key === "enum") {
continue;
} else if (typeof schema[key] === 'object') {
this._searchSchema(schema[key], baseUri);
} else if (key === '$ref') {
var refUri = schema[key];
var baseRefUri = refUri.replace(/#.*/, '');
if (baseRefUri && !(refUri in this.schemas) && !(baseRefUri in this.schemas)) {
this.missingUrls[baseRefUri] = true;
}
}
}
}
}
},
resolveRefs: function (schema, urlHistory) {
if (schema && schema['$ref'] !== undefined) {
urlHistory = urlHistory || {};
if (urlHistory[schema['$ref']]) {
return this.createError(ErrorCodes.CIRCULAR_REFERENCE, {urls: Object.keys(urlHistory).join(', ')}, '', '');
}
urlHistory[schema['$ref']] = true;
schema = this.get(schema['$ref'], urlHistory);
}
return schema;
},
get: function (url, urlHistory, ignoreRefs) {
var schema;
if (this.schemas[url] !== undefined) {
schema = this.schemas[url];
return ignoreRefs ? schema : this.resolveRefs(schema, urlHistory);
}
var baseUrl = url.replace(/#.*/, '');
var fragment = url.substring(baseUrl.length + 1);
if (typeof this.schemas[baseUrl] === 'object') {
schema = this.schemas[baseUrl];
var pointerPath = decodeURIComponent(fragment);
if (pointerPath === "") {
return ignoreRefs ? schema : this.resolveRefs(schema, urlHistory);
} else if (pointerPath.charAt(0) !== "/") {
return undefined;
}
var parts = pointerPath.split("/").slice(1);
for (var i = 0; i < parts.length; i++) {
var component = parts[i].replace(/~1/g, "/").replace(/~0/g, "~");
if (!schema || schema[component] === undefined) {
return undefined;
}
schema = schema[component];
}
if (schema !== undefined) {
return ignoreRefs ? schema : this.resolveRefs(schema, urlHistory);
}
}
this.missingUrls[baseUrl] = true;
}
};
schema2js.SchemaStore = SchemaStore;
// taken from tv4
var ErrorCodes = schema2js.ErrorCodes = {
INVALID_TYPE: 0,
ENUM_MISMATCH: 1,
ANY_OF_MISSING: 10,
ONE_OF_MISSING: 11,
ONE_OF_MULTIPLE: 12,
NOT_PASSED: 13,
// Numeric errors
NUMBER_MULTIPLE_OF: 100,
NUMBER_MINIMUM: 101,
NUMBER_MINIMUM_EXCLUSIVE: 102,
NUMBER_MAXIMUM: 103,
NUMBER_MAXIMUM_EXCLUSIVE: 104,
// String errors
STRING_LENGTH_SHORT: 200,
STRING_LENGTH_LONG: 201,
STRING_PATTERN: 202,
// Object errors
OBJECT_PROPERTIES_MINIMUM: 300,
OBJECT_PROPERTIES_MAXIMUM: 301,
OBJECT_REQUIRED: 302,
OBJECT_ADDITIONAL_PROPERTIES: 303,
OBJECT_DEPENDENCY_KEY: 304,
// Array errors
ARRAY_LENGTH_SHORT: 400,
ARRAY_LENGTH_LONG: 401,
ARRAY_UNIQUE: 402,
ARRAY_ADDITIONAL_ITEMS: 403,
// Custom/user-defined errors
FORMAT_CUSTOM: 500,
KEYWORD_CUSTOM: 501,
// Schema structure
CIRCULAR_REFERENCE: 600, // $ref loop
// Schema/document availability
SCHEMA_MISSING: 700,
SCHEMA_FETCH_ERROR: 701,
DOCUMENT_FETCH_ERROR: 702,
// Non-standard validation options
UNKNOWN_PROPERTY: 1000
};
function indent(string) {
return ('\t' + string.replace(/\n/g, '\n\t')).replace(/\t+$/, '');
}
function normUrl(url) {
if (url.split('#')[1] === '') return url.split('#')[0];
return url;
}
function propertyExpression (valueExpr, key) {
if (/^[a-zA-Z][a-zA-Z0-9_]*/.test(key)) return valueExpr + '.' + key;
return valueExpr + '[' + JSON.stringify(key) + ']';
}
function uriTemplatePart(subject, spec) {
var prefix = spec.match(/^[+#./;?&]*/)[0];
var hasPrefix = function (x) {return prefix.indexOf(x) !== -1};
var suffix = spec.match(/[*]*$/)[0];
var vars = spec.substring(prefix.length).split(',');
var codeParts = [];
if (hasPrefix('#')) codeParts.push('"#"');
if (hasPrefix('.')) codeParts.push('"."');
if (hasPrefix('/')) codeParts.push('"/"');
vars.forEach(function (varSpec, index) {
var varName = varSpec;
var suffixMatch = varSpec.match(/(\:[0-9]+)?([*]*)$/);
var truncation = suffixMatch[1];
var varSuffix = suffixMatch[2];
varName = varName.substring(0, varName.length - suffixMatch[0].length);
var itemJoin = ',', arrayPrefix = '', pairJoin = ',';
if (varSuffix.indexOf('*') + 1) {
pairJoin = '=';
if (hasPrefix('.')) {
itemJoin = '.';
} else if (hasPrefix('/')) {
itemJoin = '/';
} else if (hasPrefix(';')) {
itemJoin = ';';
arrayPrefix = encodeURIComponent(varName) + '=';
} else if (hasPrefix('?') || hasPrefix('&')) {
itemJoin = '&';
arrayPrefix = encodeURIComponent(varName) + '=';
}
}
var conditional = '';
if (hasPrefix(';')) {
if (varSuffix.indexOf('*') === -1) {
codeParts.push(JSON.stringify(';' + varName));
conditional = '=';
} else {
codeParts.push(JSON.stringify(';'));
}
} else if (hasPrefix('?') && index == 0) {
if (varSuffix.indexOf('*') === -1) {
codeParts.push(JSON.stringify('?' + varName + '='));
} else {
codeParts.push(JSON.stringify('?'));
}
} else if (hasPrefix('?') || hasPrefix('&')) {
if (varSuffix.indexOf('*') === -1) {
codeParts.push(JSON.stringify('&' + varName + '='));
} else {
codeParts.push(JSON.stringify('&'));
}
} else if (hasPrefix('&')) {
codeParts.push(JSON.stringify('&' + varName + '='));
} else if (index > 0) {
if (hasPrefix('.')) {
codeParts.push('"."');
} else if (hasPrefix('/')) {
codeParts.push('"/"');
} else if (hasPrefix('?')) {
codeParts.push('"&"');
} else {
codeParts.push('","');
}
}
var modFunctions = [];
if (truncation) {
var truncationChars = parseInt(truncation.substring(1));
modFunctions.push(function (code) {
return '(' + code + ' || "").substring(0, ' + truncationChars + ')';
});
}
if (!hasPrefix('+') && !hasPrefix('#')) {
modFunctions.push(function (code) {
return 'encodeURIComponent(' + code + ').replace(/!/g, "%21")';
});
} else {
modFunctions.push(function (code) {
return 'encodeURI(' + code + ')';
});
}
// Construct actual code
var result = subject(varName);
if (typeof result === 'string') result = {code: result};
var expr = result.code, type = result.type;
var modFunction = !modFunctions.length ? null : function (x) {
modFunctions.forEach(function (func) {
x = func(x);
});
return x;
};
function couldBeType(t) {
if (Array.isArray(type)) return type.indexOf(t) === -1;
if (typeof type === 'string') return type === t;
return true;
}
var typeCode = {};
if (couldBeType('array')) {
if (!modFunction) return JSON.stringify(arrayPrefix) + ' + ' + expr + '.join(' + JSON.stringify(itemJoin + arrayPrefix) + ')';
typeCode['array'] = expr + '.map(function (x) {\n'
+ ' return ' + (arrayPrefix ? JSON.stringify(arrayPrefix) + ' + ' : '') + modFunction('x') + ';\n'
+ '}).join(' + JSON.stringify(itemJoin) + ')';
}
if (couldBeType('object')) {
if (!modFunction) modFunction = function (x) {return x};
typeCode['object'] ='Object.keys(' + expr + ').map(function (key) {\n'
+ ' return ' + modFunction('key') + ' + ' + JSON.stringify(pairJoin) + ' + ' + modFunction(expr + '[key]') + ';\n'
+ '}).join(' + JSON.stringify(itemJoin) + ')';
}
if (couldBeType('string') || couldBeType('number') || couldBeType('integer') || couldBeType('boolean')) {
typeCode['plain'] = modFunction(expr);
}
var code;
if (Object.keys(typeCode).length === 1) {
code = typeCode[Object.keys(typeCode)[0]];
} else {
code = '';
if (typeCode.object && typeCode.plain) {
code = '(typeof ' + expr + ' === "object" ? ' + typeCode.object + ' : ' + typeCode.plain + ')';
} else if (typeCode.object) {
code = typeCode.object;
} else {
code = typeCode.plain;
}
if (typeCode.array) {
code = '(Array.isArray(' + expr + ') ? ' + typeCode.array + ' : ' + code + ')';
}
}
if (conditional) {
code = '(' + expr + '?' + JSON.stringify(conditional) + '+' + code + ':"")';
}
codeParts.push(code);
});
return codeParts.join(' + ');
}
var uriTemplate = schema2js.uriTemplate = function uriTemplate(subject, template) {
if (typeof subject !== 'function') {
var subjectVar = subject;
subject = function (property) {
return propertyExpression(subjectVar, property);
};
}
var codeParts = [];
var parts = template.split('{');
var firstConstant = parts.shift();
if (firstConstant) codeParts.push(JSON.stringify(firstConstant));
while (parts.length) {
var part = parts.shift();
var spec = part.split('}')[0];
codeParts.push(uriTemplatePart(subject, spec));
var remainder = part.substring(spec.length + 1);
if (remainder) codeParts.push(JSON.stringify(remainder));
}
if (!codeParts.length) codeParts.push('""');
return codeParts.join(' + ');
};
var Generator = schema2js.Generator = function Generator(config) {
if (!(this instanceof Generator)) return new Generator(config);
config = config || {};
this.schemaStore = config.schemaStore || new SchemaStore();
this.config = {
directMethods: config.directMethods !== false,
validation: config.validation !== false,
subErrors: (config.subErrors !== false) && true,
unicodeLength: config.unicodeLength !== false,
assignment: config.assignment || false,
linkAssignment: config.linkAssignment || false,
trackMissing: config.trackMissing || false,
classes: (config.classes !== false) && true
};
this.classNames = {};
this.classVars = {GeneratedClass: true}; // it's our default superclass, so make sure it won't be used later
this.aliases = {};
this.missingMap = {};
this.previouslyHandled = {};
};
Generator.prototype = {
addSchema: function (url, schema, name) {
this._codeInvalid = true;
delete this._code;
if (typeof url === 'object') {
name = schema;
schema = url;
url = schema && schema.id;
}
url = (typeof url === 'string') ? url : (Math.random().toString().substring(2) + 'anonymous');
url = normUrl(url || '');
var baseUrl = url.replace(/#.*/, '');
if (this.previouslyHandled[url]) {
// Force a re-compute
throw new Error('Forcing a re-compute of ' + url);
delete this.previouslyHandled[url];
}
if (typeof schema === 'object') {
this.schemaStore.add(url, schema);
} else {
name = name || schema;
this.missingMap[url] = true;
if (!this.previouslyHandled[baseUrl]) {
this.missingMap[baseUrl] = true;
}
}
this.classNames[url] = name || this.classNames[url] || "";
this.classVarForUrl(url); // reserves an appropriate variable name
return this;
},
missing: function (url) {
if (typeof url !== 'string') {
var result = Object.keys(this.missingMap);
this.schemaStore.missing().forEach(function (url) {
if (result.indexOf(url) === -1) result.push(url);
});
return result;
} else {
var baseUrl = url.replace(/#.*/, '');
return this.missingMap[url] || (!this.previouslyHandled[normUrl(url)] && !this.previouslyHandled[baseUrl]);
}
},
code: function () {
if (!this._codeInvalid && this._code) return this._code;
this._codeInvalid = false;
var code = '';
code += 'function pointerEscape(key) {\n';
code += indent('return key.replace(/~/g, "~0").replace(/\\//g, "~1");\n');
code += '}\n';
if (this.config.unicodeLength) {
code += 'function unicodeLength(string) {\n';
code += indent('return string.replace(/[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]/g, "_").length;\n');
code += '}\n';
}
code += 'if (superclass && typeof superclass === "object") {\n';
code += indent('request = classes;\n');
code += indent('classes = superclass;\n');
code += indent('superclass = null;\n');
code += '}\n';
code += 'superclass = superclass || function GeneratedClass() {};\n';
code += 'if (typeof classes === "function") {\n';
code += indent('request = classes;\n');
code += indent('classes = null;\n');
code += '}\n';
code += 'request = request || function ErrorFunc() {throw new Error("No web-request function provided");};\n';
code += 'classes = classes || {};\n';
var handledUrls = {};
var urls = Object.keys(this.aliases).concat(Object.keys(this.classNames));
var addCodeForUrl = function (url, immediate) {
if (handledUrls[url]) return;
if (url in this.aliases) {
return addCodeForUrl(this.aliases[url]);
}
if (immediate) {
handledUrls[url] = true;
code += '\n' + this.codeForUrl(url, addCodeForUrl);
} else {
urls.push(url);
}
}.bind(this);
for (var i = 0; i < urls.length; i++) {
var url = normUrl(urls[i]);
if (!this.previouslyHandled[url]) {
addCodeForUrl(url, true);
}
}
for (var url in this.aliases) {
if (this.previouslyHandled[url]) continue;
this.previouslyHandled[url] = true;
var alias = this.aliases[url];
var urlName = this.classNameForUrl(url);
var aliasName = this.classNameForUrl(alias);
code += '\n/* $ref: ' + url.replace(/\*/g, '%2A') + ' -> ' + alias.replace(/\*/g, '%2A') + ' */\n';
if (this.config.classes === false) {
// Validation and links only
code += propertyExpression('classes', urlName) + ' = {};\n';
} else {
code += propertyExpression('classes', urlName) + ' = function () {\n';
code += indent('return ' + propertyExpression('classes', aliasName) + '.apply(this, arguments);\n');
code += '};\n';
code += propertyExpression('classes', urlName) + '.prototype = Object.create(' + propertyExpression('classes', aliasName) + '.prototype);\n';
}
if (this.config.validation) {
code += propertyExpression('classes', urlName) + '.validate = function (data) {\n';
code += indent('return ' + propertyExpression('classes', aliasName) + '.validate(data);\n');
code += '};\n';
code += '/*' + JSON.stringify(this.config) + '*/\n';
code += propertyExpression('classes', urlName) + '.validationErrors = function (data, path' + (this.config.assignment ? ', schemaMap' : '') + (this.config.linkAssignment ? ', linkMap' : '') + (this.config.trackMissing ? ', missing' : '') + ') {\n';
code += indent('return ' + propertyExpression('classes', aliasName) + '.validationErrors(data, path' + (this.config.assignment ? ', schemaMap' : '') + (this.config.linkAssignment ? ', linkMap' : '') + (this.config.trackMissing ? ', missing' : '') + ');\n');
code += '};\n';
}
}
code += '\nreturn classes;\n';
code = 'function (superclass, classes, request) {\n' + indent(code) + '}';
return this._code = code;
},
classExprForUrl: function (url) {
return propertyExpression('classes', this.classNameForUrl(url))
},
classVarForUrl: function (url, suffix) {
this._codeInvalid = true;
if (typeof suffix !== 'string') suffix = 'Class';
var varName = this.classNames[url] || url;
varName = varName.replace(/^[^#?]*[/]/g, '').replace(/[^a-zA-Z0-9]+([a-zA-Z0-9]?)/g, function (match, nextChar) {
return nextChar.toUpperCase();
});
varName = varName.replace(/^[^a-zA-Z]*/, '') || 'anonymous'; // strip leading zeros
varName = varName.charAt(0).toUpperCase() + varName.substring(1);
if (!this.classVars[varName + suffix] || this.classVars[varName + suffix] === url) {
this.classVars[varName + suffix] = url;
return varName + suffix;
}
var counter = 2;
while (this.classVars[varName + counter + suffix] && this.classVars[varName + counter + suffix] !== url) {
counter++;
}
this.classVars[varName + counter + suffix] = url;
return varName + counter + suffix;
},
classNameForUrl: function (url) {
url = normUrl(url);
return this.classNames[url] = this.classNames[url] || this.classVarForUrl(url, '');
},
extendUrl: function (url, components) {
if (url.indexOf('#') === -1) url += '#';
components.forEach(function (key) {
url += '/' + encodeURIComponent(key.toString().replace(/~/g, '~0').replace(/\//g, '~1'));
});
return url;
},
schemaAcceptsType: function (schema, type) {
return !schema.type || schema.type === type || (Array.isArray(schema.type) && schema.type.indexOf(type) !== -1);
},
schemaOnlyAcceptsType: function (schema, type) {
return schema.type === type || (schema.type && schema.type.length === 1 && schema.type[0] === type);
},
schemaRequiresProperty: function(schema, property) {
if (!schema.required) return false;
return schema.required.indexOf(property) !== -1;
},
getFullSchema: function (schema, haltUrls) {
if (!schema || typeof schema['$ref'] !== 'string') return schema;
haltUrls = haltUrls || {};
var refUrl = schema['$ref'];
if (haltUrls[refUrl]) return {"description": "ERROR! Recursion"};
haltUrls[refUrl] = true;
var schema = this.schemaStore.get(refUrl, null, true);
if (!schema) {
if (this.schemaStore.missing(refUrl)) {
this.missingMap[refUrl] = true;
}
return {"description": "Missing schema: " + refUrl, placeholder: true};
}
if (!schema.id) schema.id = normUrl(refUrl);
return this.getFullSchema(schema, haltUrls);
},
codeForUrl: function (url, requireUrl) {
var schema = this.schemaStore.get(url, null, true);
if (!schema) {
if (this.schemaStore.missing(url)) {
this.missingMap[url] = true;
} else {
// It's resolved properly, it's just empty
delete this.missingMap[url];
this.previouslyHandled[url] = true;
}
schema = {"description": "Missing schema: " + url};
} else if (typeof schema.$ref === 'string') {
this.aliases[url] = schema.$ref;
requireUrl(schema.$ref);
return '// skipping ' + url + ' - will add as reference later\n';
} else {
this.previouslyHandled[url] = true;
delete this.missingMap[url];
url = schema.id || url;
this.previouslyHandled[url] = true;
delete this.missingMap[url];
}
var code = '/* Schema: ' + url.replace(/\*/g, '%2A') + ' */\n';
var classKey = this.classNameForUrl(url);
var classExpression = this.classVarForUrl(url || 'anonymous');
if (!this.schemaAcceptsType(schema, 'object') || this.config.classes === false) {
// Validation and links only
code += 'var ' + classExpression + ' = ' + propertyExpression('classes', classKey) + ' = {};\n';
} else {
code += 'var ' + classExpression + ' = ' + propertyExpression('classes', classKey) + ' = function ' + classExpression + '(value) {\n';
var body = '';
body += 'if (!(this instanceof ' + classExpression + ')) return new ' + classExpression + '(value);\n';
if ('default' in schema) {
body += 'value = value || ' + JSON.stringify(schema['default']) + ';\n';
}
var castProperty = function(subSchema, subUrl, thisKeyExpr) {
if (this.schemaAcceptsType(subSchema, 'object')) {
var subClassVar = this.classExprForUrl(subUrl);
requireUrl(subUrl);
var conditions = [];
if (this.schemaAcceptsType('null')) {
conditions.push(thisKeyExpr);
}
if (this.schemaAcceptsType('array')) {
conditions.push('!Array.isArray(' + thisKeyExpr + ')');
}
if (this.schemaOnlyAcceptsType(subSchema, 'object')) {
if (!this.schemaRequiresProperty(schema, key)) {
conditions.push(thisKeyExpr);
}
} else {
conditions.push('typeof ' + thisKeyExpr + ' === "object"');
}
body += 'if (' + conditions.join(' && ') + ') {\n';
body += indent('' + thisKeyExpr + ' = new ' + subClassVar + '(' + thisKeyExpr + ');\n');
body += '}\n';
}
}.bind(this);
// Defaults and property conversion
for (var key in schema.properties || {}) {
var subSchema = this.getFullSchema(schema.properties[key]);
body += 'if (typeof ' + propertyExpression('value', key) + ' !== "undefined") {\n';
body += indent(propertyExpression('this', key) + ' = ' + propertyExpression('value', key) + ';\n');
if ('default' in subSchema) {
body += '} else {\n';
body += indent(propertyExpression('this', key) + ' = ' + JSON.stringify(subSchema['default']) + ';\n');
}
body += '}\n';
var subUrl = (subSchema && subSchema.id) || this.extendUrl(url, ['properties', key]);
castProperty(subSchema, subUrl, propertyExpression('this', key));
}
if (schema.additionalProperties) {
body += 'var keys = Object.keys(value);\n';
body += 'for (var i = 0; i < keys.length; i++) {\n';
body += indent('var key = keys[i];\n');
body += indent('if (!(key in this)) {\n');
body += indent(indent('this[key] = value[key];\n'));
if (typeof schema.additionalProperties === 'object') {
var subSchema = this.getFullSchema(schema.additionalProperties);
var subUrl = (subSchema && subSchema.id) || this.extendUrl(url, ['additionalProperties']);
castProperty(subSchema, subUrl, propertyExpression('this[key]'));
}
body += indent('}\n');
body += '}\n';
}
var superclassExpr = 'superclass';
body += '\n' + superclassExpr + '.apply(this, arguments);\n';
code += indent(body);
code += '};\n';
code += classExpression + '.prototype = Object.create(' + superclassExpr + '.prototype);\n';
if (schema.title) {
code += classExpression + '.title = ' + JSON.stringify(schema.title) + ';\n';
}
if (schema.description) {
code += classExpression + '.description = ' + JSON.stringify(schema.description) + ';\n';
}
}
code += classExpression + '.schema = ' + JSON.stringify(url) + ';\n';
// Hyper-schema links
code += classExpression + '.links = {};\n';
(schema.links || []).forEach(function (ldo) {
var rel = ldo.rel;
var prettyRel = rel.replace(/.*[/#?]/g, '').replace(/[^a-zA-Z0-9]+([a-zA-Z0-9]?)/, function (match, nextChar) {
return nextChar.toUpperCase();
});
var method = (ldo.method || 'GET').toUpperCase();
var encType = ldo.encType || ldo.enctype || ((method === 'GET' || method === 'DELETE') ? 'application/x-www-form-urlencoded' : 'application/json');
var body = '';
body += 'if (typeof params === "function") {\n';
body += indent('callback = params;\n');
body += indent('params = null;\n');
body += '}\n';
body += 'var href = ' + uriTemplate(function (property) {
var code = propertyExpression('obj', property);
return {
code: code,
type: ((schema.properties || {})[property] || {}).type
};
}, ldo.href) + ';\n';
body += 'request({\n';
body += indent('href: href,\n');
body += indent('method: ' + JSON.stringify(method) + ',\n');
body += indent('encType: ' + JSON.stringify(encType) + ',\n');
body += indent('data: params || null\n');
body += '}, callback || function () {});';
var methodName = method.toLowerCase() + prettyRel.charAt(0).toUpperCase() + prettyRel.substring(1);
code += classExpression + '.links[' + JSON.stringify(methodName) + ']' + ' = function (obj, params, callback) {\n';
code += indent(body);
code += '};\n';
if (this.config.directMethods && this.schemaAcceptsType(schema, 'object')) {
code += classExpression + '.prototype[' + JSON.stringify(methodName) + ']' + ' = function (params, callback) {\n';
code += indent('return ' + classExpression + '.links[' + JSON.stringify(methodName) + '](this, params, callback);\n');
code += '};\n';
}
}.bind(this));
if (this.config.validation) {
code += classExpression + '.validationErrors = function (value, dataPath' + (this.config.assignment ? ', schemaMap' : '') + (this.config.linkAssignment ? ', linkMap' : '') + (this.config.trackMissing ? ', missing' : '') + ') {\n';
if (this.config.assignment) {
code += indent('schemaMap = schemaMap || {};\n');
}
if (this.config.linkAssignment) {
code += indent('linkMap = linkMap || {};\n');
}
code += indent('dataPath = dataPath || "";\n');
code += indent('var errors = [];\n');
code += indent(this.validationCode('value', [], url, schema, requireUrl, function (errorExpr, single) {
if (single) return 'errors.push(' + errorExpr + ');\n';
return 'errors = errors.concat(' + errorExpr + ');\n'
}, false));
code += indent('return errors;\n');
code += '}\n';
code += classExpression + '.validate = function (value) {\n';
if (this.config.assignment) {
code += indent('var schemaMap = {};\n');
}
if (this.config.linkAssignment) {
code += indent('var linkMap = {};\n');
}
if (this.config.trackMissing) {
code += indent('var missing = {};\n');
}
code += indent('var errors = ' + classExpression + '.validationErrors(value, ""' + (this.config.assignment ? ', schemaMap' : '') + (this.config.linkAssignment ? ', linkMap' : '') + (this.config.trackMissing ? ', missing' : '') + ');\n');
code += indent('return {valid: !errors.length, errors: errors' + (this.config.assignment ? ', schemas: schemaMap' : '') + (this.config.linkAssignment ? ', links: linkMap' : '') + (this.config.trackMissing ? ', missing: missing' : '') + '};\n');
code += '}\n';
}
return code;
},
validationCode: function (valueExpr, dataPathExprs, schemaUrl, schema, requireUrl, errorFunc, useReference) {
var allowedTypes = schema.type || ['null', 'boolean', 'number', 'string', 'object', 'array'];
if (!Array.isArray(allowedTypes)) allowedTypes = [allowedTypes];
var allowedType = function (type) {return allowedTypes.indexOf(type) !== -1;};
var dataPathExpr = 'dataPath';
for (var i = 0; i < dataPathExprs.length; i++) {
var part = dataPathExprs[i];
if (part[0] === '"' && dataPathExpr[dataPathExpr.length - 1] == '"') {
dataPathExpr = dataPathExpr.substring(0, dataPathExpr.length - 1) + part.substring(1);
} else {
dataPathExpr += ' + ' + part;
}
}
// TODO: figure out better criteria - not sure object-support is worth checking unless we're generating classes
if (useReference === true || (useReference !== false && (this.missing(schemaUrl) || this.schemaAcceptsType(schema, 'object')))) {
var classVar = this.classExprForUrl(schemaUrl);
requireUrl(schemaUrl);
return errorFunc(classVar + '.validationErrors(' + valueExpr + ', ' + dataPathExpr + (this.config.assignment ? ', schemaMap' : '') + (this.config.linkAssignment ? ', linkMap' : '') + (this.config.trackMissing ? ', missing' : '') + ')');
}
var validation = '';
var schemaUrlExpr = JSON.stringify(schemaUrl);
if (this.config.trackMissing && !this.schemaStore.get(schemaUrl)) {
validation += 'if (missing) {\n';
validation += indent('(missing[' + dataPathExpr + '] = missing[' + dataPathExpr + '] || []).push(' + schemaUrlExpr + ');\n');
validation += '}\n';
}
if (this.config.assignment) {
validation += 'if (!schemaMap[' + dataPathExpr + ']) {\n';
validation += indent('schemaMap[' + dataPathExpr + '] = [' + schemaUrlExpr + '];\n');
validation += '} else {\n';
validation += indent('schemaMap[' + dataPathExpr + '].push(' + schemaUrlExpr + ');\n');
validation += '}\n';
}
if (this.config.linkAssignment && Array.isArray(schema.links) && schema.links.length) {
validation += 'linkMap[' + dataPathExpr + '] = (linkMap[' + dataPathExpr + '] || []).concat([\n';
validation += schema.links.map(function (ldo, index) {
var lines = [];
var template = ldo.href;
template = template.replace(/(\{[^\(\}]*)\$([^\}]*\})/g, function (match, firstPart, lastPart) {
return firstPart + '%73elf' + lastPart;
});
template = template.replace(/(\{[^\(\}]*)\((([^\)\}]|\)\))*)\)([^\)\}]*\})/g, function (match, firstPart, innerPart, innerPartLastChar, lastPart) {
if (!innerPart) return firstPart + '%65mpty' + lastPart;
return firstPart + encodeURIComponent(innerPart) + lastPart;
});
lines.push('href: ' + uriTemplate(function (property) {
if (property === '%73elf') {
return {
code: valueExpr,
type: schema.type
};
} else if (property === '%65mpty') {
return {
code: propertyExpression(valueExpr, ''),
type: ((schema.properties || {})[''] || {}).type
}
}
property = decodeURIComponent(property);
return {
code: propertyExpression(valueExpr, property),
type: ((schema.properties || {})[property] || {}).type
};
}, template));
lines.push('rel: ' + JSON.stringify(ldo.rel));
if (ldo.method) {
lines.push('method: ' + JSON.stringify(ldo.method));
}
if (ldo.schema) {
var subUrl = (ldo.schema.id) || this.extendUrl(schemaUrl, ['links', index, 'schema']);
lines.push('schema: ' + JSON.stringify(subUrl));
}
if (ldo.targetSchema) {
var subUrl = (ldo.schema.id) || this.extendUrl(schemaUrl, ['links', index, 'targetSchema']);
lines.push('targetSchema: ' + JSON.stringify(subUrl));
}
return indent('{\n' + lines.map(indent).join(',\n') + '\n}');
}.bind(this)).join(',\n');
validation += '\n]);\n';
}
if (schema.allOf) {
schema.allOf.forEach(function (subSchema, index) {
var subSchema = this.getFullSchema(subSchema);
var subUrl = (subSchema && subSchema.id) || this.extendUrl(schemaUrl, ['allOf', index]);
var checkCode = this.validationCode(valueExpr, dataPathExprs, subUrl, subSchema, requireUrl, errorFunc);
validation += checkCode;
}.bind(this));
}
if (schema.anyOf || schema.oneOf) {
if (this.config.assignment) {
validation += 'var actualSchemaMap = schemaMap;\n';
}
if (this.config.linkAssignment) {
validation += 'var actualLinkMap = linkMap;\n';
}
validation += 'var actualErrors = errors;\n';
if (schema.anyOf) {
validation += 'var anyOfPassCount = 0;\n';
if (this.config.subErrors) {
validation += 'var anyOfSubErrors = [];\n';
}
schema.anyOf.forEach(function (subSchema, index) {
validation += 'errors = [];\n'
if (this.config.assignment) {
validation += 'schemaMap = {};\n';
}
if (this.config.linkAssignment) {
validation += 'linkMap = {};\n';
}
var subSchema = this.getFullSchema(subSchema);
var subUrl = (subSchema && subSchema.id) || this.extendUrl(schemaUrl, ['anyOf', index]);
var checkCode = this.validationCode(valueExpr, dataPathExprs, subUrl, subSchema, requireUrl, errorFunc, true);
validation += checkCode;
validation += 'if (!errors.length) {\n';
if (this.config.assignment) {
validation += indent('for (var key in schemaMap) {\n');
validation += indent(indent('actualSchemaMap[key] = (actualSchemaMap[key] || []).concat(schemaMap[key])\n'));
validation += indent('}\n');
}
if (this.config.linkAssignment) {
validation += indent('for (var key in linkMap) {\n');
validation += indent(indent('actualLinkMap[key] = (actualLinkMap[key] || []).concat(linkMap[key])\n'));
validation += indent('}\n');
}
validation += indent('anyOfPassCount++;\n');
validation += '}\n';
if (this.config.subErrors) {
validation += 'anyOfSubErrors[' + index + '] = errors;\n'
}
}.bind(this));
}
if (schema.oneOf) {
validation += 'var oneOfPassCount = 0;\n';
if (this.config.subErrors) {
validation += 'var oneOfSubErrors = [];\n';
}
schema.oneOf.forEach(function (subSchema, index) {
validation += 'errors = [];\n'
if (this.config.assignment) {
validation += 'schemaMap = {};\n';
}
if (this.config.linkAssignment) {
validation += 'linkMap = {};\n';
}
var subSchema = this.getFullSchema(subSchema);
var subUrl = (subSchema && subSchema.id) || this.extendUrl(schemaUrl, ['oneOf', index]);
var checkCode = this.validationCode(valueExpr, dataPathExprs, subUrl, subSchema, requireUrl, errorFunc, true);
validation += checkCode;
validation += 'if (!errors.length) {\n';
if (this.config.assignment) {
validation += indent('if (!oneOfPassCount) {\n');
validation += indent(indent('for (var key in schemaMap) {\n'));
validation += indent(indent(indent('actualSchemaMap[key] = (actualSchemaMap[key] || []).concat(schemaMap[key])\n')));
validation += indent(indent('}\n'));
validation += indent('}\n');
}
if (this.config.linkAssignment) {
validation += indent('if (!oneOfPassCount) {\n');
validation += indent(indent('for (var key in linkMap) {\n'));
validation += indent(indent(indent('actualLinkMap[key] = (actualLinkMap[key] || []).concat(linkMap[key])\n')));
validation += indent(indent('}\n'));
validation += indent('}\n');
}
validation += indent('oneOfPassCount++;\n');
validation += '}\n';
if (this.config.subErrors) {
validation += 'oneOfSubErrors[' + index + '] = errors;\n'
}
}.bind(this));
}
if (this.config.assignment) {
validation += 'schemaMap = actualSchemaMap;\n';
}
if (this.config.linkAssignment) {
validation += 'linkMap = actualLinkMap;\n';
}
validation += 'errors = actualErrors;\n';
if (schema.anyOf) {
var paramsExpr = this.config.subErrors ? '{errors: anyOfSubErrors}' : '{}';
validation += 'if (!anyOfPassCount) {\n';
validation += indent(errorFunc('{code: ' + JSON.stringify(ErrorCodes.ANY_OF_MISSING) + ', params: ' + paramsExpr + ', path: ' + dataPathExpr + ', schema: ' + schemaUrlExpr + '}', true));
validation += '}\n';
}
if (schema.oneOf) {
var paramsExpr = this.config.subErrors ? '{errors: oneOfSubErrors}' : '{}';
validation += 'if (!oneOfPassCount) {\n';
validation += indent(errorFunc('{code: ' + JSON.stringify(ErrorCodes.ONE_OF_MISSING) + ', params: ' + paramsExpr + ', path: ' + dataPathExpr + ', schema: ' + schemaUrlExpr + '}', true));
validation += '} else if (oneOfPassCount > 1) {\n';
validation += indent(errorFunc('{code: ' + JSON.stringify(ErrorCodes.ONE_OF_MULTIPLE) + ', params: ' + paramsExpr + ', path: ' + dataPathExpr + ', schema: ' + schemaUrlExpr + '}', true));
validation += '}\n';
}