Add an IPv4 loader

eno-lang · Mar 21, 2019 · 4dfe6f6 · 4dfe6f6
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diff --git a/blueprints/loaders/ipv4.eno b/blueprints/loaders/ipv4.eno
@@ -0,0 +1,142 @@
+name: ipv4
+
+-- description
+Accepts only IPv4 addresses, returns the validated adress as a string. 
+-- description
+
+# messages
+
+ipv4_required:
+de = Eine valide IPv4 Adresse ist erforderlich, zum Beispiel '192.168.0.1'.
+en = A valid IPv4 address is required, for instance '192.168.0.1'.
+es = Se requiere una valida dirección IPv4, por ejemplo '192.168.0.1'.
+
+# implementations
+
+## javascript
+
+prelude:
+- const IPV4_REGEX = /^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$/;
+
+-- code
+value => {
+  const match = IPV4_REGEX.exec(value);
+
+  if(match) {
+    const octet1 = parseInt(match[2]);
+    const octet2 = parseInt(match[3]);
+    const octet3 = parseInt(match[4]);
+    const octet4 = parseInt(match[5]);
+
+    if(octet1 >= 0 && octet1 <= 255 &&
+       octet2 >= 0 && octet2 <= 255 &&
+       octet3 >= 0 && octet3 <= 255 &&
+       octet4 >= 0 && octet4 <= 255)
+      return match[1];
+  }
+
+  throw 'ipv4_required';
+}
+-- code
+
+specs:
+'0.0.0.0' = '0.0.0.0'
+'255.255.255.255' = '255.255.255.255'
+'192.168.0.1' = '192.168.0.1'
+'10.10.10.10' = '10.10.10.10'
+'255.255.255.256' =
+'localhost' =
+'4.staging.production.lan' =
+
+## php
+
+prelude:
+- use \Exception;
+- private const IPV4_REGEXP = '/^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$/';
+
+-- code
+public static function ipv4($value) {
+  $matched = preg_match(self::IPV4_REGEXP, $value, $match);
+
+  if($matched) {
+    $octet1 = intval($match[2]);
+    $octet2 = intval($match[3]);
+    $octet3 = intval($match[4]);
+    $octet4 = intval($match[5]);
+
+    if($octet1 >= 0 && $octet1 <= 255 &&
+       $octet2 >= 0 && $octet2 <= 255 &&
+       $octet3 >= 0 && $octet3 <= 255 &&
+       $octet4 >= 0 && $octet4 <= 255)
+      return $match[1];
+  }
+
+  throw new Exception('ipv4_required');
+}
+-- code
+
+specs:
+'0.0.0.0' = '0.0.0.0'
+'255.255.255.255' = '255.255.255.255'
+'192.168.0.1' = '192.168.0.1'
+'10.10.10.10' = '10.10.10.10'
+'255.255.255.256' =
+'localhost' =
+'4.staging.production.lan' =
+
+## python
+
+prelude:
+- import re
+- IPV4_RE = re.compile(r'^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$')
+
+-- code
+def ipv4(value):
+  match = IPV4_RE.match(value)
+
+  if (match and
+      0 <= int(match.group(2)) <= 255 and
+      0 <= int(match.group(3)) <= 255 and
+      0 <= int(match.group(4)) <= 255 and
+      0 <= int(match.group(5)) <= 255):
+    return match.group(1)
+
+  raise ValueError('ipv4_required')
+-- code
+
+specs:
+'0.0.0.0' = '0.0.0.0'
+'255.255.255.255' = '255.255.255.255'
+'192.168.0.1' = '192.168.0.1'
+'10.10.10.10' = '10.10.10.10'
+'255.255.255.256' =
+'localhost' =
+'4.staging.production.lan' =
+
+## ruby
+
+prelude:
+- IPV4_REGEXP = /^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$/
+
+-- code
+def self.ipv4(value)
+  match = value.match(IPV4_REGEXP)
+
+  return match[1] if match &&
+                     match[2].to_i.between?(0, 255) &&
+                     match[3].to_i.between?(0, 255) &&
+                     match[4].to_i.between?(0, 255) &&
+                     match[5].to_i.between?(0, 255)
+
+  raise 'ipv4_required'
+end
+-- code
+
+specs:
+'0.0.0.0' = '0.0.0.0'
+'255.255.255.255' = '255.255.255.255'
+'192.168.0.1' = '192.168.0.1'
+'10.10.10.10' = '10.10.10.10'
+'255.255.255.256' =
+'localhost' =
+'4.staging.production.lan' =
diff --git a/javascript/README.md b/javascript/README.md
@@ -158,6 +158,21 @@ integer('42'); // returns 42
 `'42,0'` throws an error.  
 `'4 2'` throws an error.  
 `'fortytwo'` throws an error.
+### ipv4
+
+```js
+const { ipv4 } = require('enotype');
+
+ipv4('0.0.0.0'); // returns '0.0.0.0'
+```
+
+`'0.0.0.0'` returns `'0.0.0.0'`.  
+`'255.255.255.255'` returns `'255.255.255.255'`.  
+`'192.168.0.1'` returns `'192.168.0.1'`.  
+`'10.10.10.10'` returns `'10.10.10.10'`.  
+`'255.255.255.256'` throws an error.  
+`'localhost'` throws an error.  
+`'4.staging.production.lan'` throws an error.
 ### json
 
 ```js

diff --git a/javascript/lib/de.js b/javascript/lib/de.js
@@ -4,6 +4,7 @@ const DATETIME_REGEX = /^\s*(\d{4})(?:-(\d\d)(?:-(\d\d)(?:T(\d\d):(\d\d)(?::(\d\
 const EMAIL_REGEX = /^\s*[^@\s]+@[^@\s]+\.[^@\s]+\s*$/;
 const FLOAT_REGEX = /^\s*-?\d+(\.\d+)?\s*$/;
 const INTEGER_REGEX = /^\s*-?\d+\s*$/;
+const IPV4_REGEX = /^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$/;
 const LAT_LNG_REGEX = /^\s*(-?\d{1,3}(?:\.\d+)?)\s*,\s*(-?\d{1,3}(?:\.\d+)?)\s*$/;
 const SLUG_REGEX = /^[0-9a-z\-_]+$/;
 const URL_REGEX = /^\s*https?:\/\/[^\s.]+\.\S+\s*$/;
@@ -71,6 +72,25 @@ exports.integer = value => {
   return parseInt(value);
 };
 
+exports.ipv4 = value => {
+  const match = IPV4_REGEX.exec(value);
+
+  if(match) {
+    const octet1 = parseInt(match[2]);
+    const octet2 = parseInt(match[3]);
+    const octet3 = parseInt(match[4]);
+    const octet4 = parseInt(match[5]);
+
+    if(octet1 >= 0 && octet1 <= 255 &&
+       octet2 >= 0 && octet2 <= 255 &&
+       octet3 >= 0 && octet3 <= 255 &&
+       octet4 >= 0 && octet4 <= 255)
+      return match[1];
+  }
+
+  throw 'Eine valide IPv4 Adresse ist erforderlich, zum Beispiel \'192.168.0.1\'.';
+};
+
 exports.json = value => {
   try {
     return JSON.parse(value);

diff --git a/javascript/lib/en.js b/javascript/lib/en.js
@@ -4,6 +4,7 @@ const DATETIME_REGEX = /^\s*(\d{4})(?:-(\d\d)(?:-(\d\d)(?:T(\d\d):(\d\d)(?::(\d\
 const EMAIL_REGEX = /^\s*[^@\s]+@[^@\s]+\.[^@\s]+\s*$/;
 const FLOAT_REGEX = /^\s*-?\d+(\.\d+)?\s*$/;
 const INTEGER_REGEX = /^\s*-?\d+\s*$/;
+const IPV4_REGEX = /^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$/;
 const LAT_LNG_REGEX = /^\s*(-?\d{1,3}(?:\.\d+)?)\s*,\s*(-?\d{1,3}(?:\.\d+)?)\s*$/;
 const SLUG_REGEX = /^[0-9a-z\-_]+$/;
 const URL_REGEX = /^\s*https?:\/\/[^\s.]+\.\S+\s*$/;
@@ -71,6 +72,25 @@ exports.integer = value => {
   return parseInt(value);
 };
 
+exports.ipv4 = value => {
+  const match = IPV4_REGEX.exec(value);
+
+  if(match) {
+    const octet1 = parseInt(match[2]);
+    const octet2 = parseInt(match[3]);
+    const octet3 = parseInt(match[4]);
+    const octet4 = parseInt(match[5]);
+
+    if(octet1 >= 0 && octet1 <= 255 &&
+       octet2 >= 0 && octet2 <= 255 &&
+       octet3 >= 0 && octet3 <= 255 &&
+       octet4 >= 0 && octet4 <= 255)
+      return match[1];
+  }
+
+  throw 'A valid IPv4 address is required, for instance \'192.168.0.1\'.';
+};
+
 exports.json = value => {
   try {
     return JSON.parse(value);

diff --git a/javascript/lib/es.js b/javascript/lib/es.js
@@ -4,6 +4,7 @@ const DATETIME_REGEX = /^\s*(\d{4})(?:-(\d\d)(?:-(\d\d)(?:T(\d\d):(\d\d)(?::(\d\
 const EMAIL_REGEX = /^\s*[^@\s]+@[^@\s]+\.[^@\s]+\s*$/;
 const FLOAT_REGEX = /^\s*-?\d+(\.\d+)?\s*$/;
 const INTEGER_REGEX = /^\s*-?\d+\s*$/;
+const IPV4_REGEX = /^\s*((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}))\s*$/;
 const LAT_LNG_REGEX = /^\s*(-?\d{1,3}(?:\.\d+)?)\s*,\s*(-?\d{1,3}(?:\.\d+)?)\s*$/;
 const SLUG_REGEX = /^[0-9a-z\-_]+$/;
 const URL_REGEX = /^\s*https?:\/\/[^\s.]+\.\S+\s*$/;
@@ -71,6 +72,25 @@ exports.integer = value => {
   return parseInt(value);
 };
 
+exports.ipv4 = value => {
+  const match = IPV4_REGEX.exec(value);
+
+  if(match) {
+    const octet1 = parseInt(match[2]);
+    const octet2 = parseInt(match[3]);
+    const octet3 = parseInt(match[4]);
+    const octet4 = parseInt(match[5]);
+
+    if(octet1 >= 0 && octet1 <= 255 &&
+       octet2 >= 0 && octet2 <= 255 &&
+       octet3 >= 0 && octet3 <= 255 &&
+       octet4 >= 0 && octet4 <= 255)
+      return match[1];
+  }
+
+  throw 'Se requiere una valida dirección IPv4, por ejemplo \'192.168.0.1\'.';
+};
+
 exports.json = value => {
   try {
     return JSON.parse(value);

diff --git a/javascript/specs/ipv4.spec.js b/javascript/specs/ipv4.spec.js
@@ -0,0 +1,45 @@
+const { ipv4 } = require('..');
+
+describe('ipv4', () => {
+  describe('with \'0.0.0.0\'', () => {
+    it('produces the expected result', () => {
+      expect(ipv4('0.0.0.0')).toBe('0.0.0.0');
+    });
+  });
+
+  describe('with \'255.255.255.255\'', () => {
+    it('produces the expected result', () => {
+      expect(ipv4('255.255.255.255')).toBe('255.255.255.255');
+    });
+  });
+
+  describe('with \'192.168.0.1\'', () => {
+    it('produces the expected result', () => {
+      expect(ipv4('192.168.0.1')).toBe('192.168.0.1');
+    });
+  });
+
+  describe('with \'10.10.10.10\'', () => {
+    it('produces the expected result', () => {
+      expect(ipv4('10.10.10.10')).toBe('10.10.10.10');
+    });
+  });
+
+  describe('with \'255.255.255.256\'', () => {
+    it('throws an error', () => {
+      expect(() => ipv4('255.255.255.256')).toThrow();
+    });
+  });
+
+  describe('with \'localhost\'', () => {
+    it('throws an error', () => {
+      expect(() => ipv4('localhost')).toThrow();
+    });
+  });
+
+  describe('with \'4.staging.production.lan\'', () => {
+    it('throws an error', () => {
+      expect(() => ipv4('4.staging.production.lan')).toThrow();
+    });
+  });
+});
diff --git a/php/README.md b/php/README.md
@@ -176,6 +176,23 @@ Loaders::integer('42'); // returns 42
 `'42,0'` throws an error.  
 `'4 2'` throws an error.  
 `'fortytwo'` throws an error.
+### ipv4
+
+```php
+<?php
+
+use Enotype\Loaders;
+
+Loaders::ipv4('0.0.0.0'); // returns '0.0.0.0'
+```
+
+`'0.0.0.0'` returns `'0.0.0.0'`.  
+`'255.255.255.255'` returns `'255.255.255.255'`.  
+`'192.168.0.1'` returns `'192.168.0.1'`.  
+`'10.10.10.10'` returns `'10.10.10.10'`.  
+`'255.255.255.256'` throws an error.  
+`'localhost'` throws an error.  
+`'4.staging.production.lan'` throws an error.
 ### json
 
 ```php

diff --git a/php/spec/ipv4.spec.php b/php/spec/ipv4.spec.php
@@ -0,0 +1,47 @@
+<?php declare(strict_types=1);
+
+use Enotype\Loaders;
+
+describe('ipv4', function() {
+  describe('with \'0.0.0.0\'', function() {
+    it('produces the expected result', function() {
+      expect(Loaders::ipv4('0.0.0.0'))->toEqual('0.0.0.0');
+    });
+  });
+
+  describe('with \'255.255.255.255\'', function() {
+    it('produces the expected result', function() {
+      expect(Loaders::ipv4('255.255.255.255'))->toEqual('255.255.255.255');
+    });
+  });
+
+  describe('with \'192.168.0.1\'', function() {
+    it('produces the expected result', function() {
+      expect(Loaders::ipv4('192.168.0.1'))->toEqual('192.168.0.1');
+    });
+  });
+
+  describe('with \'10.10.10.10\'', function() {
+    it('produces the expected result', function() {
+      expect(Loaders::ipv4('10.10.10.10'))->toEqual('10.10.10.10');
+    });
+  });
+
+  describe('with \'255.255.255.256\'', function() {
+    it('throws an exception', function() {
+      expect(function() { Loaders::ipv4('255.255.255.256'); })->toThrow();
+    });
+  });
+
+  describe('with \'localhost\'', function() {
+    it('throws an exception', function() {
+      expect(function() { Loaders::ipv4('localhost'); })->toThrow();
+    });
+  });
+
+  describe('with \'4.staging.production.lan\'', function() {
+    it('throws an exception', function() {
+      expect(function() { Loaders::ipv4('4.staging.production.lan'); })->toThrow();
+    });
+  });
+});