Added inline color parsing.

Author: johnnyhuy

README.md

@@ -121,25 +121,35 @@ I've composed a wiki page to describe features of this extension.
 Hello I should be in red text :D
 :color
 
+:color red this is inline! :color
+
 # 3 Character hex
 :color #AAA
 Hello!
 :color
 
+:color #AAA this is inline! :color
+
 # 6 Character hex
 :color #DADADA
 Hello!
 :color
 
+:color #DADADA this is inline! :color
+
 # RGB
 :color 255,255,255
 Hello!
 :color
 
+:color 255,255,255 this is inline! :color
+
 # RGBA
 :color 255,255,255,50
 Hello!
 :color
+
+:color 255,255,255,50 this is inline! :color
 ```
 
 [More info](https://github.com/johnnyhuy/laravel-useful-commonmark-extension/wiki/Color)

src/Inline/Element/Color.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace JohnnyHuy\Laravel\Inline\Element;
+
+use League\CommonMark\Inline\Element\AbstractStringContainer;
+
+class Color extends AbstractStringContainer {}

src/Inline/Parser/ColorParser.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace JohnnyHuy\Laravel\Inline\Parser;
+
+use JohnnyHuy\Laravel\Inline\Element\Color;
+use League\CommonMark\InlineParserContext;
+use League\CommonMark\Inline\Parser\AbstractInlineParser;
+
+class ColorParser extends AbstractInlineParser
+{
+    /**
+     * @param InlineParserContext $inlineContext
+     * @return bool
+     */
+    public function parse(InlineParserContext $inlineContext)
+    {
+        $cursor = $inlineContext->getCursor();
+        $savedState = $cursor->saveState();
+
+        $cursor->advance();
+
+        $regex = '/(?:color|colour)(?:\s(?:(\#?[A-z]+|\d{1,3}\,\s?\d{1,3}\,\s?\d{1,3}(\,\s?\d{1,3})?)))\s(.*(?!:color))\s(?:\:color)/';
+        $validate = $cursor->match($regex);
+
+        if (!$validate) {
+            $cursor->restoreState($savedState);
+            return false;
+        }
+
+        $matches = [];
+        preg_match($regex, $validate, $matches);
+        [, $color, $alpha, $content] = $matches;
+
+        if (preg_match('/[\,]+/', $color, $_)) {
+            if (empty($alpha)) {
+                $color = "rgb({$color})";
+            } else {
+                $color = "rgba({$color})";
+            }
+        } else if (preg_match('/[\#]+/', $color, $_)) {
+            $color = "#{$color}";
+        }
+
+        $data['color'] = $color;
+
+        $inlineContext->getContainer()->appendChild(new Color($content, $data));
+
+        return true;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getCharacters()
+    {
+        return [':'];
+    }
+}

src/Inline/Renderer/CodepenRenderer.php

@@ -2,14 +2,14 @@
 
 namespace JohnnyHuy\Laravel\Inline\Renderer;
 
-use League\CommonMark\HtmlElement;
-use League\CommonMark\Util\Configuration;
+use ErrorException;
 use JohnnyHuy\Laravel\Inline\Element\Codepen;
 use League\CommonMark\ElementRendererInterface;
+use League\CommonMark\HtmlElement;
 use League\CommonMark\Inline\Element\AbstractInline;
-use League\CommonMark\Util\ConfigurationAwareInterface;
 use League\CommonMark\Inline\Element\AbstractWebResource;
 use League\CommonMark\Inline\Renderer\InlineRendererInterface;
+use League\CommonMark\Util\Configuration;
 
 class CodepenRenderer implements InlineRendererInterface
 {
@@ -20,10 +20,10 @@ class CodepenRenderer implements InlineRendererInterface
 
     /**
      * @param AbstractInline|AbstractWebResource $inline
-     * @param \League\CommonMark\ElementRendererInterface $htmlRenderer
+     * @param ElementRendererInterface $htmlRenderer
      *
-     * @return \League\CommonMark\HtmlElement|string
-     * @throws \ErrorException
+     * @return HtmlElement|string
+     * @throws ErrorException
      */
     public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
     {
@@ -39,7 +39,7 @@ public function render(AbstractInline $inline, ElementRendererInterface $htmlRen
         //seems that the used codepen url is invalid
         //or codepen is currently not available
         if (is_null($apiResponse)) {
-            throw new \ErrorException('Codepen request returned null: ' . $apiUrl);
+            throw new ErrorException('Codepen request returned null: ' . $apiUrl);
         }
 
         //parse the oembed response

src/Inline/Renderer/ColorRenderer.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace JohnnyHuy\Laravel\Inline\Renderer;
+
+use InvalidArgumentException;
+use JohnnyHuy\Laravel\Inline\Element\Color;
+use JohnnyHuy\Laravel\Inline\Element\YouTube;
+use League\CommonMark\ElementRendererInterface;
+use League\CommonMark\HtmlElement;
+use League\CommonMark\Inline\Element\AbstractInline;
+use League\CommonMark\Inline\Element\AbstractWebResource;
+use League\CommonMark\Inline\Renderer\InlineRendererInterface;
+use League\CommonMark\Util\Configuration;
+use League\CommonMark\Util\ConfigurationAwareInterface;
+
+class ColorRenderer implements InlineRendererInterface, ConfigurationAwareInterface
+{
+    /**
+     * @var Configuration
+     */
+    protected $config;
+
+    /**
+     * @param AbstractInline|AbstractWebResource $inline
+     * @param ElementRendererInterface $htmlRenderer
+     *
+     * @return HtmlElement|string
+     */
+    public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
+    {
+        if (!($inline instanceof Color)) {
+            throw new InvalidArgumentException('Incompatible inline type: ' . get_class($inline));
+        }
+
+        return new HtmlElement('span', ['style' => "color: {$inline->getData('color')}"], $inline->getContent());
+    }
+
+    /**
+     * @param Configuration $configuration
+     */
+    public function setConfiguration(Configuration $configuration)
+    {
+        $this->config = $configuration;
+    }
+}

src/Inline/Renderer/GistRenderer.php

@@ -2,14 +2,13 @@
 
 namespace JohnnyHuy\Laravel\Inline\Renderer;
 
-use League\CommonMark\HtmlElement;
-use League\CommonMark\Util\Configuration;
 use JohnnyHuy\Laravel\Inline\Element\Gist;
 use League\CommonMark\ElementRendererInterface;
+use League\CommonMark\HtmlElement;
 use League\CommonMark\Inline\Element\AbstractInline;
-use League\CommonMark\Util\ConfigurationAwareInterface;
 use League\CommonMark\Inline\Element\AbstractWebResource;
 use League\CommonMark\Inline\Renderer\InlineRendererInterface;
+use League\CommonMark\Util\Configuration;
 
 class GistRenderer implements InlineRendererInterface
 {
@@ -20,23 +19,20 @@ class GistRenderer implements InlineRendererInterface
 
     /**
      * @param AbstractInline|AbstractWebResource $inline
-     * @param \League\CommonMark\ElementRendererInterface $htmlRenderer
+     * @param ElementRendererInterface $htmlRenderer
      *
-     * @return \League\CommonMark\HtmlElement|string
+     * @return HtmlElement|string
      */
     public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
     {
         if (!($inline instanceof Gist)) {
             throw new \InvalidArgumentException('Incompatible inline type: ' . get_class($inline));
         }
 
-        //generates the same script element, which you can see
-        //in the "embed gist" input field
         $script = new HtmlElement('script', [
             'src' => $inline->getUrl().'.js'
         ]);
 
-        //add a div wrapper around the script element
         return new HtmlElement('div', ['class' => 'gist-container'], $script);
     }
 

src/Inline/Renderer/SoundCloudRenderer.php

@@ -2,14 +2,14 @@
 
 namespace JohnnyHuy\Laravel\Inline\Renderer;
 
-use League\CommonMark\HtmlElement;
-use League\CommonMark\Util\Configuration;
-use League\CommonMark\ElementRendererInterface;
+use ErrorException;
 use JohnnyHuy\Laravel\Inline\Element\SoundCloud;
+use League\CommonMark\ElementRendererInterface;
+use League\CommonMark\HtmlElement;
 use League\CommonMark\Inline\Element\AbstractInline;
-use League\CommonMark\Util\ConfigurationAwareInterface;
 use League\CommonMark\Inline\Element\AbstractWebResource;
 use League\CommonMark\Inline\Renderer\InlineRendererInterface;
+use League\CommonMark\Util\Configuration;
 
 class SoundCloudRenderer implements InlineRendererInterface
 {
@@ -20,10 +20,10 @@ class SoundCloudRenderer implements InlineRendererInterface
 
     /**
      * @param AbstractInline|AbstractWebResource $inline
-     * @param \League\CommonMark\ElementRendererInterface $htmlRenderer
+     * @param ElementRendererInterface $htmlRenderer
      *
-     * @return \League\CommonMark\HtmlElement|string
-     * @throws \ErrorException
+     * @return HtmlElement|string
+     * @throws ErrorException
      */
     public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
     {
@@ -35,16 +35,16 @@ public function render(AbstractInline $inline, ElementRendererInterface $htmlRen
         $url = "https://soundcloud.com/oembed?&format=json&url={$inline->getUrl()}&maxheight=166";
         $soundCloud = $this->getContent($url);
 
-        //seems that the used soundcloud url is invalid
-        //or soundcloud is currently not available
-        if (is_null($soundCloud)) {
-            throw new \ErrorException('SoundCloud request returned null: ' . $url);
+        // Seems that the used SoundCloud url is invalid
+        // or SoundCloud is currently not available
+        if ($soundCloud === null) {
+            throw new ErrorException('SoundCloud request returned null: ' . $url);
         }
 
-        //parse the oembed response
+        // Parse the embed response
         $soundCloud = json_decode($soundCloud);
 
-        //use the oembed html snippet as response 
+        // Use the embed html snippet as response
         return $soundCloud->html;
     }
 

src/Inline/Renderer/YouTubeRenderer.php

@@ -2,14 +2,14 @@
 
 namespace JohnnyHuy\Laravel\Inline\Renderer;
 
-use League\CommonMark\HtmlElement;
-use League\CommonMark\Util\Configuration;
 use JohnnyHuy\Laravel\Inline\Element\YouTube;
 use League\CommonMark\ElementRendererInterface;
+use League\CommonMark\HtmlElement;
 use League\CommonMark\Inline\Element\AbstractInline;
-use League\CommonMark\Util\ConfigurationAwareInterface;
 use League\CommonMark\Inline\Element\AbstractWebResource;
 use League\CommonMark\Inline\Renderer\InlineRendererInterface;
+use League\CommonMark\Util\Configuration;
+use League\CommonMark\Util\ConfigurationAwareInterface;
 
 class YouTubeRenderer implements InlineRendererInterface, ConfigurationAwareInterface
 {
@@ -20,17 +20,17 @@ class YouTubeRenderer implements InlineRendererInterface, ConfigurationAwareInte
 
     /**
      * @param AbstractInline|AbstractWebResource $inline
-     * @param \League\CommonMark\ElementRendererInterface $htmlRenderer
+     * @param ElementRendererInterface $htmlRenderer
      *
-     * @return \League\CommonMark\HtmlElement|string
+     * @return HtmlElement|string
      */
     public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
     {
         if (!($inline instanceof YouTube)) {
             throw new \InvalidArgumentException('Incompatible inline type: ' . get_class($inline));
         }
 
-        //create a new iframe with the given youtube url
+        // Create a new iframe with the given youtube url
         $iframe = new HtmlElement('iframe', [
             'width' => 640,
             'height' => 390,
@@ -39,7 +39,7 @@ public function render(AbstractInline $inline, ElementRendererInterface $htmlRen
             'frameborder' => 0,
         ]);
 
-        //return the iframe with a span as wrapper element
+        // Return the iframe with a span as wrapper element
         return new HtmlElement('span', ['class' => 'youtube-video'], $iframe);
     }