6 checkDataType: checkDataType,
7 checkDataTypes: checkDataTypes,
8 coerceToTypes: coerceToTypes,
10 getProperty: getProperty,
11 escapeQuotes: escapeQuotes,
12 equal: require('fast-deep-equal'),
13 ucs2length: require('./ucs2length'),
14 varOccurences: varOccurences,
15 varReplace: varReplace,
16 schemaHasRules: schemaHasRules,
17 schemaHasRulesExcept: schemaHasRulesExcept,
18 schemaUnknownRules: schemaUnknownRules,
19 toQuotedString: toQuotedString,
20 getPathExpr: getPathExpr,
23 unescapeFragment: unescapeFragment,
24 unescapeJsonPointer: unescapeJsonPointer,
25 escapeFragment: escapeFragment,
26 escapeJsonPointer: escapeJsonPointer
30 function copy(o, to) {
32 for (var key in o) to[key] = o[key];
37 function checkDataType(dataType, data, strictNumbers, negate) {
38 var EQUAL = negate ? ' !== ' : ' === '
39 , AND = negate ? ' || ' : ' && '
40 , OK = negate ? '!' : ''
41 , NOT = negate ? '' : '!';
43 case 'null': return data + EQUAL + 'null';
44 case 'array': return OK + 'Array.isArray(' + data + ')';
45 case 'object': return '(' + OK + data + AND +
46 'typeof ' + data + EQUAL + '"object"' + AND +
47 NOT + 'Array.isArray(' + data + '))';
48 case 'integer': return '(typeof ' + data + EQUAL + '"number"' + AND +
49 NOT + '(' + data + ' % 1)' +
50 AND + data + EQUAL + data +
51 (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
52 case 'number': return '(typeof ' + data + EQUAL + '"' + dataType + '"' +
53 (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
54 default: return 'typeof ' + data + EQUAL + '"' + dataType + '"';
59 function checkDataTypes(dataTypes, data, strictNumbers) {
60 switch (dataTypes.length) {
61 case 1: return checkDataType(dataTypes[0], data, strictNumbers, true);
64 var types = toHash(dataTypes);
65 if (types.array && types.object) {
66 code = types.null ? '(': '(!' + data + ' || ';
67 code += 'typeof ' + data + ' !== "object")';
72 if (types.number) delete types.integer;
74 code += (code ? ' && ' : '' ) + checkDataType(t, data, strictNumbers, true);
81 var COERCE_TO_TYPES = toHash([ 'string', 'number', 'integer', 'boolean', 'null' ]);
82 function coerceToTypes(optionCoerceTypes, dataTypes) {
83 if (Array.isArray(dataTypes)) {
85 for (var i=0; i<dataTypes.length; i++) {
87 if (COERCE_TO_TYPES[t]) types[types.length] = t;
88 else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
90 if (types.length) return types;
91 } else if (COERCE_TO_TYPES[dataTypes]) {
93 } else if (optionCoerceTypes === 'array' && dataTypes === 'array') {
99 function toHash(arr) {
101 for (var i=0; i<arr.length; i++) hash[arr[i]] = true;
106 var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
107 var SINGLE_QUOTE = /'|\\/g;
108 function getProperty(key) {
109 return typeof key == 'number'
111 : IDENTIFIER.test(key)
113 : "['" + escapeQuotes(key) + "']";
117 function escapeQuotes(str) {
118 return str.replace(SINGLE_QUOTE, '\\$&')
119 .replace(/\n/g, '\\n')
120 .replace(/\r/g, '\\r')
121 .replace(/\f/g, '\\f')
122 .replace(/\t/g, '\\t');
126 function varOccurences(str, dataVar) {
128 var matches = str.match(new RegExp(dataVar, 'g'));
129 return matches ? matches.length : 0;
133 function varReplace(str, dataVar, expr) {
134 dataVar += '([^0-9])';
135 expr = expr.replace(/\$/g, '$$$$');
136 return str.replace(new RegExp(dataVar, 'g'), expr + '$1');
140 function schemaHasRules(schema, rules) {
141 if (typeof schema == 'boolean') return !schema;
142 for (var key in schema) if (rules[key]) return true;
146 function schemaHasRulesExcept(schema, rules, exceptKeyword) {
147 if (typeof schema == 'boolean') return !schema && exceptKeyword != 'not';
148 for (var key in schema) if (key != exceptKeyword && rules[key]) return true;
152 function schemaUnknownRules(schema, rules) {
153 if (typeof schema == 'boolean') return;
154 for (var key in schema) if (!rules[key]) return key;
158 function toQuotedString(str) {
159 return '\'' + escapeQuotes(str) + '\'';
163 function getPathExpr(currentPath, expr, jsonPointers, isNumber) {
164 var path = jsonPointers // false by default
165 ? '\'/\' + ' + expr + (isNumber ? '' : '.replace(/~/g, \'~0\').replace(/\\//g, \'~1\')')
166 : (isNumber ? '\'[\' + ' + expr + ' + \']\'' : '\'[\\\'\' + ' + expr + ' + \'\\\']\'');
167 return joinPaths(currentPath, path);
171 function getPath(currentPath, prop, jsonPointers) {
172 var path = jsonPointers // false by default
173 ? toQuotedString('/' + escapeJsonPointer(prop))
174 : toQuotedString(getProperty(prop));
175 return joinPaths(currentPath, path);
179 var JSON_POINTER = /^\/(?:[^~]|~0|~1)*$/;
180 var RELATIVE_JSON_POINTER = /^([0-9]+)(#|\/(?:[^~]|~0|~1)*)?$/;
181 function getData($data, lvl, paths) {
182 var up, jsonPointer, data, matches;
183 if ($data === '') return 'rootData';
184 if ($data[0] == '/') {
185 if (!JSON_POINTER.test($data)) throw new Error('Invalid JSON-pointer: ' + $data);
189 matches = $data.match(RELATIVE_JSON_POINTER);
190 if (!matches) throw new Error('Invalid JSON-pointer: ' + $data);
192 jsonPointer = matches[2];
193 if (jsonPointer == '#') {
194 if (up >= lvl) throw new Error('Cannot access property/index ' + up + ' levels up, current level is ' + lvl);
195 return paths[lvl - up];
198 if (up > lvl) throw new Error('Cannot access data ' + up + ' levels up, current level is ' + lvl);
199 data = 'data' + ((lvl - up) || '');
200 if (!jsonPointer) return data;
204 var segments = jsonPointer.split('/');
205 for (var i=0; i<segments.length; i++) {
206 var segment = segments[i];
208 data += getProperty(unescapeJsonPointer(segment));
209 expr += ' && ' + data;
216 function joinPaths (a, b) {
217 if (a == '""') return b;
218 return (a + ' + ' + b).replace(/([^\\])' \+ '/g, '$1');
222 function unescapeFragment(str) {
223 return unescapeJsonPointer(decodeURIComponent(str));
227 function escapeFragment(str) {
228 return encodeURIComponent(escapeJsonPointer(str));
232 function escapeJsonPointer(str) {
233 return str.replace(/~/g, '~0').replace(/\//g, '~1');
237 function unescapeJsonPointer(str) {
238 return str.replace(/~1/g, '/').replace(/~0/g, '~');