diff options
Diffstat (limited to 'deps/node/deps/npm/node_modules/ajv/lib/compile/index.js')
| -rw-r--r-- | deps/node/deps/npm/node_modules/ajv/lib/compile/index.js | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/deps/node/deps/npm/node_modules/ajv/lib/compile/index.js b/deps/node/deps/npm/node_modules/ajv/lib/compile/index.js new file mode 100644 index 00000000..cf4f5b86 --- /dev/null +++ b/deps/node/deps/npm/node_modules/ajv/lib/compile/index.js @@ -0,0 +1,380 @@ +'use strict'; + +var resolve = require('./resolve') + , util = require('./util') + , errorClasses = require('./error_classes') + , stableStringify = require('fast-json-stable-stringify'); + +var validateGenerator = require('../dotjs/validate'); + +/** + * Functions below are used inside compiled validations function + */ + +var co = require('co'); +var ucs2length = util.ucs2length; +var equal = require('fast-deep-equal'); + +// this error is thrown by async schemas to return validation errors via exception +var ValidationError = errorClasses.Validation; + +module.exports = compile; + + +/** + * Compiles schema to validation function + * @this Ajv + * @param {Object} schema schema object + * @param {Object} root object with information about the root schema for this schema + * @param {Object} localRefs the hash of local references inside the schema (created by resolve.id), used for inline resolution + * @param {String} baseId base ID for IDs in the schema + * @return {Function} validation function + */ +function compile(schema, root, localRefs, baseId) { + /* jshint validthis: true, evil: true */ + /* eslint no-shadow: 0 */ + var self = this + , opts = this._opts + , refVal = [ undefined ] + , refs = {} + , patterns = [] + , patternsHash = {} + , defaults = [] + , defaultsHash = {} + , customRules = []; + + root = root || { schema: schema, refVal: refVal, refs: refs }; + + var c = checkCompiling.call(this, schema, root, baseId); + var compilation = this._compilations[c.index]; + if (c.compiling) return (compilation.callValidate = callValidate); + + var formats = this._formats; + var RULES = this.RULES; + + try { + var v = localCompile(schema, root, localRefs, baseId); + compilation.validate = v; + var cv = compilation.callValidate; + if (cv) { + cv.schema = v.schema; + cv.errors = null; + cv.refs = v.refs; + cv.refVal = v.refVal; + cv.root = v.root; + cv.$async = v.$async; + if (opts.sourceCode) cv.source = v.source; + } + return v; + } finally { + endCompiling.call(this, schema, root, baseId); + } + + function callValidate() { + var validate = compilation.validate; + var result = validate.apply(null, arguments); + callValidate.errors = validate.errors; + return result; + } + + function localCompile(_schema, _root, localRefs, baseId) { + var isRoot = !_root || (_root && _root.schema == _schema); + if (_root.schema != root.schema) + return compile.call(self, _schema, _root, localRefs, baseId); + + var $async = _schema.$async === true; + + var sourceCode = validateGenerator({ + isTop: true, + schema: _schema, + isRoot: isRoot, + baseId: baseId, + root: _root, + schemaPath: '', + errSchemaPath: '#', + errorPath: '""', + MissingRefError: errorClasses.MissingRef, + RULES: RULES, + validate: validateGenerator, + util: util, + resolve: resolve, + resolveRef: resolveRef, + usePattern: usePattern, + useDefault: useDefault, + useCustomRule: useCustomRule, + opts: opts, + formats: formats, + logger: self.logger, + self: self + }); + + sourceCode = vars(refVal, refValCode) + vars(patterns, patternCode) + + vars(defaults, defaultCode) + vars(customRules, customRuleCode) + + sourceCode; + + if (opts.processCode) sourceCode = opts.processCode(sourceCode); + // console.log('\n\n\n *** \n', JSON.stringify(sourceCode)); + var validate; + try { + var makeValidate = new Function( + 'self', + 'RULES', + 'formats', + 'root', + 'refVal', + 'defaults', + 'customRules', + 'co', + 'equal', + 'ucs2length', + 'ValidationError', + sourceCode + ); + + validate = makeValidate( + self, + RULES, + formats, + root, + refVal, + defaults, + customRules, + co, + equal, + ucs2length, + ValidationError + ); + + refVal[0] = validate; + } catch(e) { + self.logger.error('Error compiling schema, function code:', sourceCode); + throw e; + } + + validate.schema = _schema; + validate.errors = null; + validate.refs = refs; + validate.refVal = refVal; + validate.root = isRoot ? validate : _root; + if ($async) validate.$async = true; + if (opts.sourceCode === true) { + validate.source = { + code: sourceCode, + patterns: patterns, + defaults: defaults + }; + } + + return validate; + } + + function resolveRef(baseId, ref, isRoot) { + ref = resolve.url(baseId, ref); + var refIndex = refs[ref]; + var _refVal, refCode; + if (refIndex !== undefined) { + _refVal = refVal[refIndex]; + refCode = 'refVal[' + refIndex + ']'; + return resolvedRef(_refVal, refCode); + } + if (!isRoot && root.refs) { + var rootRefId = root.refs[ref]; + if (rootRefId !== undefined) { + _refVal = root.refVal[rootRefId]; + refCode = addLocalRef(ref, _refVal); + return resolvedRef(_refVal, refCode); + } + } + + refCode = addLocalRef(ref); + var v = resolve.call(self, localCompile, root, ref); + if (v === undefined) { + var localSchema = localRefs && localRefs[ref]; + if (localSchema) { + v = resolve.inlineRef(localSchema, opts.inlineRefs) + ? localSchema + : compile.call(self, localSchema, root, localRefs, baseId); + } + } + + if (v === undefined) { + removeLocalRef(ref); + } else { + replaceLocalRef(ref, v); + return resolvedRef(v, refCode); + } + } + + function addLocalRef(ref, v) { + var refId = refVal.length; + refVal[refId] = v; + refs[ref] = refId; + return 'refVal' + refId; + } + + function removeLocalRef(ref) { + delete refs[ref]; + } + + function replaceLocalRef(ref, v) { + var refId = refs[ref]; + refVal[refId] = v; + } + + function resolvedRef(refVal, code) { + return typeof refVal == 'object' || typeof refVal == 'boolean' + ? { code: code, schema: refVal, inline: true } + : { code: code, $async: refVal && refVal.$async }; + } + + function usePattern(regexStr) { + var index = patternsHash[regexStr]; + if (index === undefined) { + index = patternsHash[regexStr] = patterns.length; + patterns[index] = regexStr; + } + return 'pattern' + index; + } + + function useDefault(value) { + switch (typeof value) { + case 'boolean': + case 'number': + return '' + value; + case 'string': + return util.toQuotedString(value); + case 'object': + if (value === null) return 'null'; + var valueStr = stableStringify(value); + var index = defaultsHash[valueStr]; + if (index === undefined) { + index = defaultsHash[valueStr] = defaults.length; + defaults[index] = value; + } + return 'default' + index; + } + } + + function useCustomRule(rule, schema, parentSchema, it) { + var validateSchema = rule.definition.validateSchema; + if (validateSchema && self._opts.validateSchema !== false) { + var valid = validateSchema(schema); + if (!valid) { + var message = 'keyword schema is invalid: ' + self.errorsText(validateSchema.errors); + if (self._opts.validateSchema == 'log') self.logger.error(message); + else throw new Error(message); + } + } + + var compile = rule.definition.compile + , inline = rule.definition.inline + , macro = rule.definition.macro; + + var validate; + if (compile) { + validate = compile.call(self, schema, parentSchema, it); + } else if (macro) { + validate = macro.call(self, schema, parentSchema, it); + if (opts.validateSchema !== false) self.validateSchema(validate, true); + } else if (inline) { + validate = inline.call(self, it, rule.keyword, schema, parentSchema); + } else { + validate = rule.definition.validate; + if (!validate) return; + } + + if (validate === undefined) + throw new Error('custom keyword "' + rule.keyword + '"failed to compile'); + + var index = customRules.length; + customRules[index] = validate; + + return { + code: 'customRule' + index, + validate: validate + }; + } +} + + +/** + * Checks if the schema is currently compiled + * @this Ajv + * @param {Object} schema schema to compile + * @param {Object} root root object + * @param {String} baseId base schema ID + * @return {Object} object with properties "index" (compilation index) and "compiling" (boolean) + */ +function checkCompiling(schema, root, baseId) { + /* jshint validthis: true */ + var index = compIndex.call(this, schema, root, baseId); + if (index >= 0) return { index: index, compiling: true }; + index = this._compilations.length; + this._compilations[index] = { + schema: schema, + root: root, + baseId: baseId + }; + return { index: index, compiling: false }; +} + + +/** + * Removes the schema from the currently compiled list + * @this Ajv + * @param {Object} schema schema to compile + * @param {Object} root root object + * @param {String} baseId base schema ID + */ +function endCompiling(schema, root, baseId) { + /* jshint validthis: true */ + var i = compIndex.call(this, schema, root, baseId); + if (i >= 0) this._compilations.splice(i, 1); +} + + +/** + * Index of schema compilation in the currently compiled list + * @this Ajv + * @param {Object} schema schema to compile + * @param {Object} root root object + * @param {String} baseId base schema ID + * @return {Integer} compilation index + */ +function compIndex(schema, root, baseId) { + /* jshint validthis: true */ + for (var i=0; i<this._compilations.length; i++) { + var c = this._compilations[i]; + if (c.schema == schema && c.root == root && c.baseId == baseId) return i; + } + return -1; +} + + +function patternCode(i, patterns) { + return 'var pattern' + i + ' = new RegExp(' + util.toQuotedString(patterns[i]) + ');'; +} + + +function defaultCode(i) { + return 'var default' + i + ' = defaults[' + i + '];'; +} + + +function refValCode(i, refVal) { + return refVal[i] === undefined ? '' : 'var refVal' + i + ' = refVal[' + i + '];'; +} + + +function customRuleCode(i) { + return 'var customRule' + i + ' = customRules[' + i + '];'; +} + + +function vars(arr, statement) { + if (!arr.length) return ''; + var code = ''; + for (var i=0; i<arr.length; i++) + code += statement(i, arr); + return code; +} |