| 'use strict'; | |
| 
 | |
| var traverse = module.exports = function (schema, opts, cb) { | |
|   // Legacy support for v0.3.1 and earlier. | |
|   if (typeof opts == 'function') { | |
|     cb = opts; | |
|     opts = {}; | |
|   } | |
| 
 | |
|   cb = opts.cb || cb; | |
|   var pre = (typeof cb == 'function') ? cb : cb.pre || function() {}; | |
|   var post = cb.post || function() {}; | |
| 
 | |
|   _traverse(opts, pre, post, schema, '', schema); | |
| }; | |
| 
 | |
| 
 | |
| traverse.keywords = { | |
|   additionalItems: true, | |
|   items: true, | |
|   contains: true, | |
|   additionalProperties: true, | |
|   propertyNames: true, | |
|   not: true | |
| }; | |
| 
 | |
| traverse.arrayKeywords = { | |
|   items: true, | |
|   allOf: true, | |
|   anyOf: true, | |
|   oneOf: true | |
| }; | |
| 
 | |
| traverse.propsKeywords = { | |
|   definitions: true, | |
|   properties: true, | |
|   patternProperties: true, | |
|   dependencies: true | |
| }; | |
| 
 | |
| traverse.skipKeywords = { | |
|   default: true, | |
|   enum: true, | |
|   const: true, | |
|   required: true, | |
|   maximum: true, | |
|   minimum: true, | |
|   exclusiveMaximum: true, | |
|   exclusiveMinimum: true, | |
|   multipleOf: true, | |
|   maxLength: true, | |
|   minLength: true, | |
|   pattern: true, | |
|   format: true, | |
|   maxItems: true, | |
|   minItems: true, | |
|   uniqueItems: true, | |
|   maxProperties: true, | |
|   minProperties: true | |
| }; | |
| 
 | |
| 
 | |
| function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) { | |
|   if (schema && typeof schema == 'object' && !Array.isArray(schema)) { | |
|     pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex); | |
|     for (var key in schema) { | |
|       var sch = schema[key]; | |
|       if (Array.isArray(sch)) { | |
|         if (key in traverse.arrayKeywords) { | |
|           for (var i=0; i<sch.length; i++) | |
|             _traverse(opts, pre, post, sch[i], jsonPtr + '/' + key + '/' + i, rootSchema, jsonPtr, key, schema, i); | |
|         } | |
|       } else if (key in traverse.propsKeywords) { | |
|         if (sch && typeof sch == 'object') { | |
|           for (var prop in sch) | |
|             _traverse(opts, pre, post, sch[prop], jsonPtr + '/' + key + '/' + escapeJsonPtr(prop), rootSchema, jsonPtr, key, schema, prop); | |
|         } | |
|       } else if (key in traverse.keywords || (opts.allKeys && !(key in traverse.skipKeywords))) { | |
|         _traverse(opts, pre, post, sch, jsonPtr + '/' + key, rootSchema, jsonPtr, key, schema); | |
|       } | |
|     } | |
|     post(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex); | |
|   } | |
| } | |
| 
 | |
| 
 | |
| function escapeJsonPtr(str) { | |
|   return str.replace(/~/g, '~0').replace(/\//g, '~1'); | |
| }
 |