ajv/lib/compile/index.js

129 lines
3.2 KiB
JavaScript

'use strict';
var resolve = require('./resolve')
, util = require('./util')
, equal = require('./equal');
try { var beautify = require('' + 'js-beautify').js_beautify; } catch(e) {}
var RULES = require('./rules')
, validateGenerator = require('../dotjs/validate');
module.exports = compile;
function compile(schema, root, localRefs) {
/* jshint validthis: true, evil: true */
var self = this
, refVal = [ undefined ]
, refs = {};
root = root || { schema: schema, refVal: refVal, refs: refs };
var formats = this._formats;
return localCompile(schema, root, localRefs);
function localCompile(_schema, _root, localRefs) {
var isRoot = !_root || (_root && _root.schema == _schema);
if (_root.schema != root.schema)
return compile.call(self, _schema, _root, localRefs);
var validateCode = validateGenerator({
isTop: true,
schema: _schema,
isRoot: isRoot,
root: _root,
schemaPath: '',
errorPath: '""',
RULES: RULES,
validate: validateGenerator,
util: util,
resolve: resolve,
resolveRef: resolveRef,
opts: self.opts,
formats: formats
});
if (self.opts.beautify) {
var opts = self.opts.beautify === true ? { indent_size: 2 } : self.opts.beautify;
if (beautify) validateCode = beautify(validateCode, opts);
else console.error('"npm install js-beautify" to use beautify option');
}
// console.log('\n\n\n *** \n', validateCode);
var validate;
// try {
eval(validateCode);
refVal[0] = validate;
// } catch(e) {
// console.log('Error compiling schema, function code:', validateCode);
// throw e;
// }
validate.schema = _schema;
validate.errors = null;
validate.refs = refs;
validate.refVal = refVal;
validate.root = isRoot ? validate : _root;
return validate;
}
function resolveRef(baseId, ref, isRoot) {
ref = resolve.url(baseId, ref);
var refIndex = refs[ref];
var _refVal;
if (refIndex !== undefined) {
_refVal = refVal[refIndex];
return typeof _refVal == 'object'
? _refVal
: 'refVal[' + refIndex + ']';
}
if (!isRoot) {
var rootRefId = root.refs[ref];
if (rootRefId !== undefined) {
_refVal = root.refVal[rootRefId];
return typeof _refVal == 'object'
? _refVal
: addLocalRef(ref, _refVal);
}
}
var refCode = addLocalRef(ref);
var v = resolve.call(self, localCompile, root, ref);
if (!v) {
var localSchema = localRefs[ref];
if (localSchema) {
v = self.opts.inlineRefs !== false && resolve.inlineRef(localSchema)
? localSchema
: compile.call(self, localSchema, root, localRefs);
}
}
if (v) {
replaceLocalRef(ref, v);
return typeof v == 'object' ? v : refCode;
}
}
function addLocalRef(ref, v) {
var refId = refVal.length;
refVal[refId] = v;
refs[ref] = refId;
return 'refVal[' + refId + ']';
}
function replaceLocalRef(ref, v) {
var refId = refs[ref];
refVal[refId] = v;
}
}
/**
* Functions below are used inside compiled validations function
*/
var ucs2length = util.ucs2length;