'use strict';
module.exports = {
copy: copy,
checkDataType: checkDataType,
checkDataTypes: checkDataTypes,
coerceToTypes: coerceToTypes,
toHash: toHash,
getProperty: getProperty,
escapeQuotes: escapeQuotes,
equal: require('fast-deep-equal'),
ucs2length: require('./ucs2length'),
varOccurences: varOccurences,
varReplace: varReplace,
schemaHasRules: schemaHasRules,
schemaHasRulesExcept: schemaHasRulesExcept,
schemaUnknownRules: schemaUnknownRules,
toQuotedString: toQuotedString,
getPathExpr: getPathExpr,
getPath: getPath,
getData: getData,
unescapeFragment: unescapeFragment,
unescapeJsonPointer: unescapeJsonPointer,
escapeFragment: escapeFragment,
escapeJsonPointer: escapeJsonPointer
};
function copy(o, to) {
to = to || {};
for (var key in o) to[key] = o[key];
return to;
}
function checkDataType(dataType, data, strictNumbers, negate) {
var EQUAL = negate ? ' !== ' : ' === '
, AND = negate ? ' || ' : ' && '
, OK = negate ? '!' : ''
, NOT = negate ? '' : '!';
switch (dataType) {
case 'null': return data + EQUAL + 'null';
case 'array': return OK + 'Array.isArray(' + data + ')';
case 'object': return '(' + OK + data + AND +
'typeof ' + data + EQUAL + '"object"' + AND +
NOT + 'Array.isArray(' + data + '))';
case 'integer': return '(typeof ' + data + EQUAL + '"number"' + AND +
NOT + '(' + data + ' % 1)' +
AND + data + EQUAL + data +
(strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
case 'number': return '(typeof ' + data + EQUAL + '"' + dataType + '"' +
(strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
default: return 'typeof ' + data + EQUAL + '"' + dataType + '"';
}
}
function checkDataTypes(dataTypes, data, strictNumbers) {
switch (dataTypes.length) {
case 1: return checkDataType(dataTypes[0], data, strictNumbers, true);
default:
var code = '';
var types = toHash(dataTypes);
if (types.array && types.object) {
code = types.null ? '(': '(!' + data + ' || ';
code += 'typeof ' + data + ' !== "object")';
delete types.null;
delete types.array;
delete types.object;
}
if (types.number) delete types.integer;
for (var t in types)
code += (code ? ' && ' : '' ) + checkDataType(t, data, strictNumbers, true);
return code;
}
}
var COERCE_TO_TYPES = toHash([ 'string', 'number', 'integer', 'boolean', 'null' ]);
function coerceToTypes(optionCoerceTypes, dataTypes) {
if (Array.isArray(dataTypes)) {
var types = [];
for (var i=0; i= lvl) throw new Error('Cannot access property/index ' + up + ' levels up, current level is ' + lvl);
return paths[lvl - up];
}
if (up > lvl) throw new Error('Cannot access data ' + up + ' levels up, current level is ' + lvl);
data = 'data' + ((lvl - up) || '');
if (!jsonPointer) return data;
}
var expr = data;
var segments = jsonPointer.split('/');
for (var i=0; i