binary.js
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// Load modules
var Any = require('./any');
var Errors = require('./errors');
var Hoek = require('hoek');
// Declare internals
var internals = {};
internals.Binary = function () {
Any.call(this);
this._type = 'binary';
};
Hoek.inherits(internals.Binary, Any);
internals.Binary.prototype._base = function (value, state, options) {
var result = {
value: value
};
if (typeof value === 'string' &&
options.convert) {
try {
var converted = new Buffer(value, this._flags.encoding);
result.value = converted;
}
catch (e) { }
}
result.errors = Buffer.isBuffer(result.value) ? null : Errors.create('binary.base', null, state, options);
return result;
};
internals.Binary.prototype.encoding = function (encoding) {
Hoek.assert(Buffer.isEncoding(encoding), 'Invalid encoding:', encoding);
var obj = this.clone();
obj._flags.encoding = encoding;
return obj;
};
internals.Binary.prototype.min = function (limit) {
Hoek.assert(Hoek.isInteger(limit) && limit >= 0, 'limit must be a positive integer');
return this._test('min', limit, function (value, state, options) {
if (value.length >= limit) {
return null;
}
return Errors.create('binary.min', { limit: limit, value: value }, state, options);
});
};
internals.Binary.prototype.max = function (limit) {
Hoek.assert(Hoek.isInteger(limit) && limit >= 0, 'limit must be a positive integer');
return this._test('max', limit, function (value, state, options) {
if (value.length <= limit) {
return null;
}
return Errors.create('binary.max', { limit: limit, value: value }, state, options);
});
};
internals.Binary.prototype.length = function (limit) {
Hoek.assert(Hoek.isInteger(limit) && limit >= 0, 'limit must be a positive integer');
return this._test('length', limit, function (value, state, options) {
if (value.length === limit) {
return null;
}
return Errors.create('binary.length', { limit: limit, value: value }, state, options);
});
};
module.exports = new internals.Binary();