Completed
Push — master ( f2cb58...56e3cd )
by Rafael S.
01:56
created

validation.js ➔ validateValueType   A

Complexity

Conditions 3
Paths 2

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 3
eloc 4
c 0
b 0
f 0
nc 2
nop 1
dl 0
loc 7
rs 10
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/*
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 * Copyright (c) 2017-2018 Rafael da Silva Rocha.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sublicense, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 */
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/**
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 * @fileoverview Functions to validate input.
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 * @see https://github.com/rochars/byte-data
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 */
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export function validateValueType(value) {
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  if (value !== null) {
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    if ([Number, Boolean].indexOf(value.constructor) == -1) {
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      throw new Error('Expected number, boolean or null; found ' + value.constructor);
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    }
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  }
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}
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/**
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 * Validate that the value is not null or undefined.
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 * @param {number} value The value.
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 * @throws {Error} If the value is of type undefined.
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 */
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export function validateNotUndefined(value) {
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  if (value === undefined) {
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    throw new Error('Undefined value.');
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  }
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}
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/**
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 * Validate the type definition.
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 * @param {!Object} theType The type definition.
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 * @throws {Error} If the type definition is not valid.
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 */
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export function validateType(theType) {
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  if (!theType) {
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    throw new Error('Undefined type.');
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  }
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  if (theType.float) {
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    validateFloatType_(theType);
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  } else {
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    validateIntType_(theType);
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  }
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}
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/**
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 * Validate the type definition of floating point numbers.
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 * @param {!Object} theType The type definition.
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 * @throws {Error} If the type definition is not valid.
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 * @private
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 */
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function validateFloatType_(theType) {
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  if ([16,32,64].indexOf(theType.bits) == -1) {
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    throw new Error('Bad float type.');
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  }
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}
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/**
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 * Validate the type definition of integers.
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 * @param {!Object} theType The type definition.
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 * @throws {Error} If the type definition is not valid.
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 * @private
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 */
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function validateIntType_(theType) {
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  if (theType.bits < 1 || theType.bits > 53) {
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    throw new Error('Bad type definition.');
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  }
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}
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