Added TTextProcessor and refactored TTextHighlighter and TMarkdown.

1 files changed, 29 insertions, 61 deletions

diff --git a/framework/Web/UI/WebControls/TMarkdown.php b/framework/Web/UI/WebControls/TMarkdown.php
index 49660b4e..740653a5 100644
--- a/framework/Web/UI/WebControls/TMarkdown.php
+++ b/framework/Web/UI/WebControls/TMarkdown.php
@@ -11,12 +11,18 @@
  */

 

 /**

+ * Using TTextHighlighter and MarkdownParser classes

+ */

+Prado::using('System.Web.UI.WebControls.TTextHighlighter');

+Prado::using('System.3rdParty.Markdown.MarkdownParser');

+

+/**

  * TMarkdown class

  *

  * TMarkdown is a control that produces HTML from code with markdown syntax.

  *

- * Markdown is a text-to-HTML conversion tool for web writers. Markdown allows 

- * you to write using an easy-to-read, easy-to-write plain text format, then 

+ * Markdown is a text-to-HTML conversion tool for web writers. Markdown allows

+ * you to write using an easy-to-read, easy-to-write plain text format, then

  * convert it to structurally valid XHTML (or HTML).

  * Further documentation regarding Markdown can be found at

  * http://daringfireball.net/projects/markdown/

@@ -27,86 +33,48 @@
  * See http://www.pradosoft.com/demos/quickstart/?page=Markdown for

  * details on the Markdown syntax usage.

  *

+ * TMarkdown also performs syntax highlighting for code blocks whose language

+ * is recognized by {@link TTextHighlighter}.

+ * The language of a code block must be specified in the first line of the block

+ * and enclosed within a pair of square brackets (e.g. [php]).

+ *

  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>

  * @version $Revision: $  $Date: $

  * @package System.Web.UI.WebControls

- * @since 3.0

+ * @since 3.0.1

  */

-class TMarkdown extends TControl

+class TMarkdown extends TTextHighlighter

 {

 	/**

-	 * @var TTextHighlighter

+	 * Processes a text string.

+	 * This method is required by the parent class.

+	 * @param string text string to be processed

+	 * @return string the processed text result

 	 */

-	private $_highlighter;

-

-	/**

-	 * Renders body content.

-	 * This method overrides parent implementation by removing

-	 * malicious javascript code from the body content

-	 * @param THtmlWriter writer

-	 */

-	public function render($writer)

+	public function processText($text)

 	{

-		$textWriter=new TTextWriter;

-		parent::render(new THtmlWriter($textWriter));

-		$writer->write($this->renderMarkdown($textWriter->flush()));

-	}

-

-	/**

-	 * Use MarkdownParser to render the HTML content.

-	 * @param string markdown content

-	 * @return string HTML content

-	 */

-	protected function renderMarkdown($text)

-	{

-		$renderer = Prado::createComponent('System.3rdParty.Markdown.MarkdownParser');

+		$renderer = new MarkdownParser;

 		$result = $renderer->parse($text);

 		return preg_replace_callback(

-				'/<pre><code>\[\s*(\w+)\s*\]\n+((.|\n)*?)\s*<\\/code><\\/pre>/im', 

+				'/<pre><code>\[\s*(\w+)\s*\]\n+((.|\n)*?)\s*<\\/code><\\/pre>/im',

 				array($this, 'highlightCode'), $result);

 	}

 

 	/**

-	 * @return TTextHighlighter source code highlighter

-	 */

-	public function getTextHighlighter()

-	{

-		if(is_null($this->_highlighter))

-			$this->_highlighter = new TTextHighlighter;

-		return $this->_highlighter;

-	}

-

-	

-	/**

 	 * Highlights source code using TTextHighlighter

 	 * @param array matches of code blocks

 	 * @return string highlighted code.

 	 */

 	protected function highlightCode($matches)

 	{

-		$text = new TTextWriter;

-		$writer = new THtmlWriter($text);

-		$hi = $this->getTextHighlighter();

-		if($hi->getControls()->getCount() > 0)

-			$hi->getControls()->removeAt(0);

-		$hi->addParsedObject(html_entity_decode($matches[2]));

-		$hi->setLanguage($matches[1]);

-		$hi->render($writer);

-		return $text->flush();

-	}

+		$geshi=new GeSHi(html_entity_decode($matches[2],ENT_QUOTES,'UTF-8'), $matches[1]);

+		if($this->getShowLineNumbers())

+			$geshi->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);

+		$geshi->enable_classes();

+		if($this->getEnableCopyCode())

+			$geshi->set_header_content($this->getHeaderTemplate());

 

-	/**

-	 * Registers css style for the highlighted result.

-	 * This method overrides parent implementation.

-	 * @param THtmlWriter writer

-	 */

-	public function onPreRender($writer)

-	{

-		parent::onPreRender($writer);

-		$hi = $this->getTextHighlighter();

-		$this->getControls()->insertAt(0,$hi);

-		$hi->onPreRender($writer);

-		$this->getControls()->removeAt(0);

+		return $geshi->parse_code();

 	}

 }