Initial commit

.gitignore

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+hashes.json
+_build/
+_releases/
+_data/

BbCode/Math.php

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+<?php
+
+namespace Inforge\BbMath\BbCode;
+
+class Math
+{
+	private static function loadMathjax(\XF\BbCode\Renderer\AbstractRenderer $renderer)
+	{
+		$renderer->getTemplater()->includeJs([
+				'src' => 'inforge/bbmath/mathjax-loader.js',
+				'addon' => 'Inforge/BbMath',
+				'min' => true,
+			]);
+	}
+
+	public static function renderMathTag($tagChildren, $tagOption, $tag,
+		array $options, \XF\BbCode\Renderer\AbstractRenderer $renderer)
+	{
+		self::loadMathjax($renderer);
+		return '$$\[' . $tagChildren[0] . '$$\]';
+	}
+
+	public static function renderInlineMathTag($tagChildren, $tagOption, $tag,
+		array $options, \XF\BbCode\Renderer\AbstractRenderer $renderer)
+	{
+		self::loadMathjax($renderer);
+		return '$$\(' . $tagChildren[0] . '$$\)';
+	}
+}

CONTRIBUTING.md

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+# Contributing to BbMath
+
+## First setup
+
+1. You need [XenForo 2.x](https://xenforo.com/). You can setup a Scotch Box
+   environment as described in the [Xenforo 2.x Development
+   Documentation](https://xenforo.com/xf2-docs/dev/scotchbox/)
+2. Fork TwitchPiper
+3. Move in the `src/addon/` folder of your development enviroment and `mkdir Inforge && cd Inforge`
+4. `git clone https://github.com/<your-username>/BbMath && cd BbMath`
+5. `git remote add upstream https://github.com/InforgeNet/BbMath`
+
+## Pull request
+
+Each time you want to submit a pull request, do the following:
+
+1. Download latest upstream modifications: `git fetch upstream`
+2. Ceate a new branch: `git checkout -b whatever-you-want-feature upstream/master`
+3. Make you changes, add them and commit
+4. `git push -u origin whatever-you-want-feature`
+5. Visit `https://github.com/<your-username>/BbMath` and create a new pull request
+
+### Commit message
+
+Follow these guidelines to write a proper commit message: [How to Write a Git
+Commit Message](https://chris.beams.io/posts/git-commit/).
+
+### Code style
+
+General guidelines:
+
+* Indent code with a **single tab**
+* Avoid brackets when they are not necessary
+* Try to keep lines under 80 columns, assuming a tab width equal to 8 spaces
+  (yes!)
+* Follow the [XenForo 2.x](https://xenforo.com/xf2-docs/dev/) code style
+  conventions
+* In general, I like the [Linux Kernel Coding
+  Style](https://www.kernel.org/doc/html/latest/process/coding-style.html) and
+  try to adapt it to PHP, JS and every other C-like language
+* Check out the code already in the repository and try to follow the same style
+* Use common sense

LICENSE

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+MIT License
+
+Copyright (c) 2020 Niccolò Scatena (Inforge)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# BbMath

_files/js/inforge/bbmath/mathjax-loader.js

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+window.MathJax = {
+	loader: {
+		load: ['ui/safe']
+	},
+	options: {
+		enableMenu: false
+	},
+	tex: {
+		inlineMath: [['$$\\(', '$$\\)']],
+		displayMath: [['$$\\[', '$$\\]']],
+		processEscapes: false,
+		processRefs: true,
+		processEnvironments: false,
+		tags: 'ams'
+	},
+	svg: {
+		fontCache: 'global'
+	}
+};
+
+(function() {
+	var script = document.createElement('script');
+	script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';
+	script.async = true;
+	document.head.appendChild(script);
+})();

_output/bb_codes/_metadata.json

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+{
+    "imath.json": {
+        "hash": "2608cc85133fd555483293fb02c28a5a"
+    },
+    "math.json": {
+        "hash": "0e73d0c917ba4a663b3fb8481e3e5287"
+    }
+}

_output/bb_codes/imath.json

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+{
+    "bb_code_mode": "callback",
+    "has_option": "no",
+    "replace_html": "",
+    "replace_html_email": "",
+    "replace_text": "",
+    "callback_class": "Inforge\\BbMath\\BbCode\\Math",
+    "callback_method": "renderInlineMathTag",
+    "option_regex": "",
+    "trim_lines_after": 1,
+    "plain_children": true,
+    "disable_smilies": false,
+    "disable_nl2br": false,
+    "disable_autolink": true,
+    "allow_empty": false,
+    "allow_signature": false,
+    "editor_icon_type": "fa",
+    "editor_icon_value": "fas fa-function",
+    "active": true
+}

_output/bb_codes/math.json

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+{
+    "bb_code_mode": "callback",
+    "has_option": "no",
+    "replace_html": "",
+    "replace_html_email": "",
+    "replace_text": "",
+    "callback_class": "Inforge\\BbMath\\BbCode\\Math",
+    "callback_method": "renderMathTag",
+    "option_regex": "",
+    "trim_lines_after": 1,
+    "plain_children": true,
+    "disable_smilies": false,
+    "disable_nl2br": false,
+    "disable_autolink": true,
+    "allow_empty": false,
+    "allow_signature": false,
+    "editor_icon_type": "fa",
+    "editor_icon_value": "fas fa-sigma",
+    "active": true
+}

_output/phrases/_metadata.json

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+{
+    "custom_bb_code_desc.imath.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "25e1a125b615656d98e1e9a0d86aed23"
+    },
+    "custom_bb_code_desc.math.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "a57476785e78e7548ee37d0dac689b89"
+    },
+    "custom_bb_code_example.imath.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "8c7879343f05c33e441c866208774770"
+    },
+    "custom_bb_code_example.math.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "29cdf8f73f4470841a427c6c1567d148"
+    },
+    "custom_bb_code_output.imath.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "d41d8cd98f00b204e9800998ecf8427e"
+    },
+    "custom_bb_code_output.math.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "d41d8cd98f00b204e9800998ecf8427e"
+    },
+    "custom_bb_code_title.imath.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "f6b210b4351f3ce4b04695f8b3b122ce"
+    },
+    "custom_bb_code_title.math.txt": {
+        "global_cache": false,
+        "version_id": 1000070,
+        "version_string": "1.0.0",
+        "hash": "aa8a105043d90127c760e67170853c2c"
+    }
+}

_output/phrases/custom_bb_code_desc.imath.txt

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+Shows an inline LaTeX formula.

_output/phrases/custom_bb_code_desc.math.txt

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+Shows a LaTeX equation.

_output/phrases/custom_bb_code_example.imath.txt

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+some text [IMATH]\left(\frac{1}{\sqrt{x}}\right)[/IMATH] some text

_output/phrases/custom_bb_code_example.math.txt

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+[MATH]
+\begin{cases}
+x'(t) = \sin x(t), & t\in\mathbb{R}\\
+x(0)=x_0
+\end{cases}
+[/MATH]

_output/phrases/custom_bb_code_title.imath.txt

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+Inline Math

_output/phrases/custom_bb_code_title.math.txt

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+Equation

addon.json

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+{
+	"legacy_addon_id": "",
+	"title": "[Inforge] BbMath",
+	"description": "Add BBCode to support equations and inline math.",
+	"version_id": 1000070,
+	"version_string": "1.0.0",
+	"dev": "Inforge",
+	"dev_url": "https://www.inforge.net",
+	"faq_url": "https://github.com/InforgeNet/BbMath/wiki/Frequently-Asked-Questions",
+	"support_url": "https://github.com/InforgeNet/BbMath/issues",
+	"extra_urls": {
+		"Forum": "https://www.inforge.net/forum",
+		"GitHub": "https://github.com/InforgeNet/BbMath"
+	},
+	"require": {
+		"XF": [
+			2020010,
+			"XenForo 2.2.0+"
+		]
+	},
+	"icon": "far fa-function"
+}

build.json

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+{
+	"additional_files": [
+		"js/inforge/bbmath"
+	],
+	"minify": [
+		"js/inforge/bbmath/mathjax-loader.js"
+	]
+}