From 7f4d1c407e946b0cb6afe62432805c29769c56d6 Mon Sep 17 00:00:00 2001
From: Bastien Miclo <bmiclo@novahealthsa.com>
Date: Tue, 22 Mar 2016 16:17:51 +0100
Subject: [PATCH] Markdown filter

---
 .gitignore                               |    6 +
 README.md                                |   16 +
 composer.json                            |   25 +
 composer.lock                            | 1244 ++++++++++++++++++++++
 examples/markdown.html                   |   12 +
 examples/markdown.jade                   |   12 +
 phpunit.xml                              |   19 +
 src/Jade/Filter/GithubMarkdown.php       |   17 +
 src/Jade/Filter/InlineGithubMarkdown.php |   17 +
 src/Jade/Filter/Markdown.php             |   17 +
 src/Jade/Filter/MarkdownExtra.php        |   17 +
 tests/bootstrap.php                      |    3 +
 tests/examples.php                       |   40 +
 13 files changed, 1445 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 composer.json
 create mode 100644 composer.lock
 create mode 100644 examples/markdown.html
 create mode 100644 examples/markdown.jade
 create mode 100644 phpunit.xml
 create mode 100644 src/Jade/Filter/GithubMarkdown.php
 create mode 100644 src/Jade/Filter/InlineGithubMarkdown.php
 create mode 100644 src/Jade/Filter/Markdown.php
 create mode 100644 src/Jade/Filter/MarkdownExtra.php
 create mode 100644 tests/bootstrap.php
 create mode 100644 tests/examples.php

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c422267
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+composer.phar
+/vendor/
+
+# Commit your application's lock file http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file
+# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
+# composer.lock
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..674610d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,16 @@
+# jade-filter-markdown
+
+Implement parsers from https://github.com/cebe/markdown to make **markdown**
+available as a jade-php filter.
+
+```jade
+section
+  :markdown
+    ![example image](example-image.jpg "An exemplary image")
+```
+
+Filters:
+ - :markdown
+ - :github-markdown
+ - :inline-github-markdown
+ - :markdown-extra
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..474efdd
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,25 @@
+{
+    "name": "kylekatarnls/jade-filter-mardown",
+    "description": "Markdown filter for Jade-php",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Kyle Katarn",
+            "email": "kylekatarnls@gmail.com"
+        }
+    ],
+    "minimum-stability": "stable",
+    "require": {
+        "kylekatarnls/jade-php": "^1.8",
+        "cebe/markdown": "^1.1"
+    },
+    "require-dev": {
+        "phpunit/phpunit": ">=4.0"
+    },
+    "autoload": {
+        "psr-0": {
+            "Jade": "src/"
+        }
+    }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..bfbc8a4
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,1244 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "hash": "6b01fdf06dcec8ed1892c1d193c8bdd1",
+    "content-hash": "d3544f3fc407b8c5e40a7a9a194f9a69",
+    "packages": [
+        {
+            "name": "cebe/markdown",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/cebe/markdown.git",
+                "reference": "54a2c49de31cc44e864ebf0500a35ef21d0010b2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/cebe/markdown/zipball/54a2c49de31cc44e864ebf0500a35ef21d0010b2",
+                "reference": "54a2c49de31cc44e864ebf0500a35ef21d0010b2",
+                "shasum": ""
+            },
+            "require": {
+                "lib-pcre": "*",
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "cebe/indent": "*",
+                "facebook/xhprof": "*@dev",
+                "phpunit/phpunit": "4.1.*"
+            },
+            "bin": [
+                "bin/markdown"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "cebe\\markdown\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Carsten Brandt",
+                    "email": "mail@cebe.cc",
+                    "homepage": "http://cebe.cc/",
+                    "role": "Creator"
+                }
+            ],
+            "description": "A super fast, highly extensible markdown parser for PHP",
+            "homepage": "https://github.com/cebe/markdown#readme",
+            "keywords": [
+                "extensible",
+                "fast",
+                "gfm",
+                "markdown",
+                "markdown-extra"
+            ],
+            "time": "2015-03-06 05:28:07"
+        },
+        {
+            "name": "kylekatarnls/jade-php",
+            "version": "1.10.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/kylekatarnls/jade-php.git",
+                "reference": "9e9bdd9a0f8dc201ada8dc7b5b76b7602848c06b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/kylekatarnls/jade-php/zipball/9e9bdd9a0f8dc201ada8dc7b5b76b7602848c06b",
+                "reference": "9e9bdd9a0f8dc201ada8dc7b5b76b7602848c06b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "require-dev": {
+                "codeclimate/php-test-reporter": "dev-master",
+                "phpunit/phpunit": ">=4.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-0": {
+                    "Jade": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Konstantin Kudryasho",
+                    "email": "konstantin.kudryashov@knplabs.com",
+                    "homepage": "http://about.me/everzet",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Janez Troha",
+                    "email": "janez.troha@gmail.com",
+                    "homepage": "http://flavors.me/dz0ny",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "Luke GB",
+                    "email": "git@lukegb.com",
+                    "homepage": "http://twitter.com/lukegb",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "Ronan Tessier",
+                    "email": "ronan.tessier@vaconsulting.lu",
+                    "homepage": "http://github.com/ronan-gloo",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "kylekatarnls",
+                    "homepage": "http://github.com/kylekatarnls",
+                    "role": "Maintainer"
+                }
+            ],
+            "description": "HAML-like template engine for PHP 5.3",
+            "homepage": "https://github.com/ronan-gloo/jade.php",
+            "keywords": [
+                "jade",
+                "minification",
+                "template"
+            ],
+            "time": "2016-03-20 11:28:53"
+        }
+    ],
+    "packages-dev": [
+        {
+            "name": "doctrine/instantiator",
+            "version": "1.0.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/instantiator.git",
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3,<8.0-DEV"
+            },
+            "require-dev": {
+                "athletic/athletic": "~0.1.8",
+                "ext-pdo": "*",
+                "ext-phar": "*",
+                "phpunit/phpunit": "~4.0",
+                "squizlabs/php_codesniffer": "~2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com",
+                    "homepage": "http://ocramius.github.com/"
+                }
+            ],
+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://github.com/doctrine/instantiator",
+            "keywords": [
+                "constructor",
+                "instantiate"
+            ],
+            "time": "2015-06-14 21:17:01"
+        },
+        {
+            "name": "myclabs/deep-copy",
+            "version": "1.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/myclabs/DeepCopy.git",
+                "reference": "e3abefcd7f106677fd352cd7c187d6c969aa9ddc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/e3abefcd7f106677fd352cd7c187d6c969aa9ddc",
+                "reference": "e3abefcd7f106677fd352cd7c187d6c969aa9ddc",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "doctrine/collections": "1.*",
+                "phpunit/phpunit": "~4.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DeepCopy\\": "src/DeepCopy/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Create deep copies (clones) of your objects",
+            "homepage": "https://github.com/myclabs/DeepCopy",
+            "keywords": [
+                "clone",
+                "copy",
+                "duplicate",
+                "object",
+                "object graph"
+            ],
+            "time": "2015-11-07 22:20:37"
+        },
+        {
+            "name": "phpdocumentor/reflection-docblock",
+            "version": "2.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8",
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+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "suggest": {
+                "dflydev/markdown": "~1.0",
+                "erusev/parsedown": "~1.0"
+            },
+            "type": "library",
+            "extra": {
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+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "phpDocumentor": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mike van Riel",
+                    "email": "mike.vanriel@naenius.com"
+                }
+            ],
+            "time": "2015-02-03 12:10:50"
+        },
+        {
+            "name": "phpspec/prophecy",
+            "version": "v1.6.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/prophecy.git",
+                "reference": "3c91bdf81797d725b14cb62906f9a4ce44235972"
+            },
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+                "reference": "3c91bdf81797d725b14cb62906f9a4ce44235972",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "^1.0.2",
+                "php": "^5.3|^7.0",
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+                }
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            ],
+            "authors": [
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+                    "email": "ever.zet@gmail.com",
+                    "homepage": "http://everzet.com"
+                },
+                {
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+                    "email": "marcello.duarte@gmail.com"
+                }
+            ],
+            "description": "Highly opinionated mocking framework for PHP 5.3+",
+            "homepage": "https://github.com/phpspec/prophecy",
+            "keywords": [
+                "Double",
+                "Dummy",
+                "fake",
+                "mock",
+                "spy",
+                "stub"
+            ],
+            "time": "2016-02-15 07:46:21"
+        },
+        {
+            "name": "phpunit/php-code-coverage",
+            "version": "3.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
+                "reference": "fe33716763b604ade4cb442c0794f5bd5ad73004"
+            },
+            "dist": {
+                "type": "zip",
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+                "reference": "fe33716763b604ade4cb442c0794f5bd5ad73004",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0",
+                "phpunit/php-file-iterator": "~1.3",
+                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-token-stream": "^1.4.2",
+                "sebastian/code-unit-reverse-lookup": "~1.0",
+                "sebastian/environment": "^1.3.2",
+                "sebastian/version": "~1.0|~2.0"
+            },
+            "require-dev": {
+                "ext-xdebug": ">=2.1.4",
+                "phpunit/phpunit": "~5"
+            },
+            "suggest": {
+                "ext-dom": "*",
+                "ext-xdebug": ">=2.2.1",
+                "ext-xmlwriter": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.3.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that provides collection, processing, and rendering functionality for PHP code coverage information.",
+            "homepage": "https://github.com/sebastianbergmann/php-code-coverage",
+            "keywords": [
+                "coverage",
+                "testing",
+                "xunit"
+            ],
+            "time": "2016-03-03 08:49:08"
+        },
+        {
+            "name": "phpunit/php-file-iterator",
+            "version": "1.4.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
+                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
+                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "FilterIterator implementation that filters files based on a list of suffixes.",
+            "homepage": "https://github.com/sebastianbergmann/php-file-iterator/",
+            "keywords": [
+                "filesystem",
+                "iterator"
+            ],
+            "time": "2015-06-21 13:08:43"
+        },
+        {
+            "name": "phpunit/php-text-template",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-text-template.git",
+                "reference": "31f8b717e51d9a2afca6c9f046f5d69fc27c8686"
+            },
+            "dist": {
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+                "url": "https://api.github.com/repos/sebastianbergmann/php-text-template/zipball/31f8b717e51d9a2afca6c9f046f5d69fc27c8686",
+                "reference": "31f8b717e51d9a2afca6c9f046f5d69fc27c8686",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Simple template engine.",
+            "homepage": "https://github.com/sebastianbergmann/php-text-template/",
+            "keywords": [
+                "template"
+            ],
+            "time": "2015-06-21 13:50:34"
+        },
+        {
+            "name": "phpunit/php-timer",
+            "version": "1.0.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-timer.git",
+                "reference": "3e82f4e9fc92665fafd9157568e4dcb01d014e5b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/3e82f4e9fc92665fafd9157568e4dcb01d014e5b",
+                "reference": "3e82f4e9fc92665fafd9157568e4dcb01d014e5b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Utility class for timing",
+            "homepage": "https://github.com/sebastianbergmann/php-timer/",
+            "keywords": [
+                "timer"
+            ],
+            "time": "2015-06-21 08:01:12"
+        },
+        {
+            "name": "phpunit/php-token-stream",
+            "version": "1.4.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-token-stream.git",
+                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
+                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
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+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
diff --git a/examples/markdown.html b/examples/markdown.html
new file mode 100644
index 0000000..00a74c8
--- /dev/null
+++ b/examples/markdown.html
@@ -0,0 +1,12 @@
+<section>
+  <p><img src="example-image.jpg" alt="example image" title="An exemplary image" /></p>
+</section>
+<section>
+  <p><img src="example-image.jpg" alt="example image" title="An exemplary image" /></p>
+</section>
+<section>
+  <img src="example-image.jpg" alt="example image" title="An exemplary image" />
+</section>
+<section>
+  <p><img src="example-image.jpg" alt="example image" title="An exemplary image" /></p>
+</section>
diff --git a/examples/markdown.jade b/examples/markdown.jade
new file mode 100644
index 0000000..8e41a84
--- /dev/null
+++ b/examples/markdown.jade
@@ -0,0 +1,12 @@
+section
+  :markdown
+    ![example image](example-image.jpg "An exemplary image")
+section
+  :github-markdown
+    ![example image](example-image.jpg "An exemplary image")
+section
+  :inline-github-markdown
+    ![example image](example-image.jpg "An exemplary image")
+section
+  :markdown-extra
+    ![example image](example-image.jpg "An exemplary image")
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..c8598ab
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,19 @@
+<phpunit
+	bootstrap="tests/bootstrap.php"
+	backupGlobals="false"
+	colors="true"
+	convertErrorsToExceptions="true"
+	convertNoticesToExceptions="true"
+	convertWarningsToExceptions="true"
+	>
+	<testsuites>
+		<testsuite name="Examples">
+			<file>tests/examples.php</file>
+		</testsuite>
+	</testsuites>
+	<filter>
+		<whitelist processUncoveredFilesFromWhitelist="true">
+			<directory suffix=".php">src</directory>
+		</whitelist>
+	</filter>
+</phpunit>
diff --git a/src/Jade/Filter/GithubMarkdown.php b/src/Jade/Filter/GithubMarkdown.php
new file mode 100644
index 0000000..7db24d9
--- /dev/null
+++ b/src/Jade/Filter/GithubMarkdown.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Jade\Filter;
+
+use Jade\Compiler;
+use Jade\Nodes\Filter;
+use cebe\markdown\GithubMarkdown as Parser;
+
+class GithubMarkdown extends AbstractFilter
+{
+    public function __invoke(Filter $node, Compiler $compiler)
+    {
+        $parser = new Parser();
+
+        return $parser->parse($this->getNodeString($node, $compiler));
+    }
+}
diff --git a/src/Jade/Filter/InlineGithubMarkdown.php b/src/Jade/Filter/InlineGithubMarkdown.php
new file mode 100644
index 0000000..55e68da
--- /dev/null
+++ b/src/Jade/Filter/InlineGithubMarkdown.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Jade\Filter;
+
+use Jade\Compiler;
+use Jade\Nodes\Filter;
+use cebe\markdown\GithubMarkdown as Parser;
+
+class InlineGithubMarkdown extends AbstractFilter
+{
+    public function __invoke(Filter $node, Compiler $compiler)
+    {
+        $parser = new Parser();
+
+        return $parser->parseParagraph($this->getNodeString($node, $compiler));
+    }
+}
diff --git a/src/Jade/Filter/Markdown.php b/src/Jade/Filter/Markdown.php
new file mode 100644
index 0000000..bbb5aef
--- /dev/null
+++ b/src/Jade/Filter/Markdown.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Jade\Filter;
+
+use Jade\Compiler;
+use Jade\Nodes\Filter;
+use cebe\markdown\Markdown as Parser;
+
+class Markdown extends AbstractFilter
+{
+    public function __invoke(Filter $node, Compiler $compiler)
+    {
+        $parser = new Parser();
+
+        return $parser->parse($this->getNodeString($node, $compiler));
+    }
+}
diff --git a/src/Jade/Filter/MarkdownExtra.php b/src/Jade/Filter/MarkdownExtra.php
new file mode 100644
index 0000000..8895258
--- /dev/null
+++ b/src/Jade/Filter/MarkdownExtra.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Jade\Filter;
+
+use Jade\Compiler;
+use Jade\Nodes\Filter;
+use cebe\markdown\MarkdownExtra as Parser;
+
+class MarkdownExtra extends AbstractFilter
+{
+    public function __invoke(Filter $node, Compiler $compiler)
+    {
+        $parser = new Parser();
+
+        return $parser->parse($this->getNodeString($node, $compiler));
+    }
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..d21c14d
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,3 @@
+<?php
+
+require __DIR__ . '/../vendor/autoload.php';
diff --git a/tests/examples.php b/tests/examples.php
new file mode 100644
index 0000000..7c967c7
--- /dev/null
+++ b/tests/examples.php
@@ -0,0 +1,40 @@
+<?php
+
+use Jade\Jade;
+
+class ExamplesTest extends \PHPUnit_Framework_TestCase {
+
+    public function caseProvider() {
+
+        $cases = array();
+
+        $examples = __DIR__ . '/../examples';
+        foreach (scandir($examples) as $file) {
+            if (substr($file, -5) === '.jade') {
+                $cases[] = array($examples . '/' . substr($file, 0, -5) . '.html', $examples . '/' . $file);
+            }
+        }
+
+        return $cases;
+    }
+
+    /**
+     * @dataProvider caseProvider
+     */
+    public function testJadeGeneration($htmlFile, $jadeFile) {
+
+        $jade = new Jade();
+        $renderedHtml = $jade->render($jadeFile);
+        $htmlFileContents = file_get_contents($htmlFile);
+
+        $actual = trim(preg_replace('`\s+`', '', $renderedHtml));
+        $expected = trim(preg_replace('`\s+`', '', $htmlFileContents));
+
+        $this->assertSame($expected, $actual, $jadeFile . ' should match ' . $htmlFile . ' as html');
+
+        $actual = trim(preg_replace('`\s+`', ' ', strip_tags($renderedHtml)));
+        $expected = trim(preg_replace('`\s+`', ' ', strip_tags($htmlFileContents)));
+
+        $this->assertSame($expected, $actual, $jadeFile . ' should match ' . $htmlFile . ' as text');
+    }
+}