Issue #7 - First attempt at parsing HTML to find translatable strings.

html2pot.php

@@ -0,0 +1,133 @@
+<?php
+
+/**
+ * Convert .html files to .pot files
+ */
+
+$html = file_get_contents( 'test.html');
+//print_r( $html );
+
+/*
+// Let's grab all image tags from the HTML.
+$dom_doc = new DOMDocument();
+
+// The @ is not enough to suppress errors when dealing with libxml,
+// we have to tell it directly how we want to handle errors.
+libxml_use_internal_errors( true );
+$dom_doc->loadHTML(  );
+libxml_use_internal_errors( false );
+
+$image_tags = $dom_doc->getElementsByTagName( 'img' );
+
+// For each image Tag, make sure it can be added to the $images array, and add it.
+foreach ( $image_tags as $image_tag ) {
+	$img_src = $image_tag->getAttribute( 'src' );
+
+	if ( empty( $img_src ) ) {
+		continue;
+	}
+*/
+
+$parser = new WP_Block_Parser();
+$blocks = $parser->parse( $html);
+//print_r( $blocks );
+$stringer = new Stringer();
+$count = 0;
+foreach ( $blocks as $block) {
+	echo PHP_EOL;
+	echo "Block: " . $count;
+	echo PHP_EOL;
+	$stringer->get_strings( $block );
+	//print_r( $block );
+
+}
+
+class Stringer {
+	private $dom_doc = null;
+	function __construct() {
+		$this->dom_doc = new DOMDocument();
+
+	}
+
+	function get_strings( $block ) {
+		//echo $block['innerHTML'];
+		$this->dom_doc->loadHTML( $block['innerHTML']);
+		//print_r( $this->dom_doc );
+		echo $this->dom_doc->textContent;
+		echo PHP_EOL;
+		$this->showDOMNode( $this->dom_doc);
+		echo PHP_EOL;
+		/*
+
+		echo PHP_EOL;
+		if ( $this->dom_doc->hasChildNodes() ) {
+			echo "this has child nodes" . PHP_EOL;
+			foreach ( $this->dom_doc->childNodes as $childNode ) {
+				print_r( $childNode );
+				//gob();
+				//$this->get_child_node_strings( $childNode);
+			}
+
+		}
+		*/
+
+	}
+
+	function showDOMNode(DOMNode $domNode) {
+		static $nested;
+		$nested++;
+        foreach ($domNode->childNodes as $node) {
+
+            //echo PHP_EOL;
+            if ( $node->haschildNodes() ) {
+	            echo PHP_EOL;
+	            echo str_repeat( '   ', $nested );
+	            echo 'PN:' . $node->nodeName . ': ';
+	            echo 'PT:' . $node->nodeType;
+                $this->showDOMNode( $node );
+
+            } else {
+            	$value = trim( $node->nodeValue);
+            	if ( !empty( $value ) ) {
+		            echo PHP_EOL;
+		            echo str_repeat( '   ', $nested );
+		            echo 'N:' . $node->nodeName . ': ';
+		            echo 'V:' . $node->nodeValue;
+		            echo 'T:' . $node->nodeType;
+		            echo 'W:' . $node->wholeText;
+	            }
+	            //print_r( $node);
+            }
+		}
+        $nested--;
+	}
+}
+
+/*
+ * DOMText Object
+(
+    [wholeText] =>
+
+    [data] =>
+
+    [length] => 2
+    [nodeName] => #text
+    [nodeValue] =>
+
+    [nodeType] => 3
+    [parentNode] => (object value omitted)
+    [childNodes] =>
+    [firstChild] =>
+    [lastChild] =>
+    [previousSibling] => (object value omitted)
+    [nextSibling] =>
+    [attributes] =>
+    [ownerDocument] => (object value omitted)
+    [namespaceURI] =>
+    [prefix] =>
+    [localName] =>
+    [baseURI] =>
+    [textContent] =>
+
+)
+ */

test.html

@@ -0,0 +1,9 @@
+<p>Hello World<br/>Hello again!</p>
+<img src="fred" alt="Alt text" />
+<img src="img_girl.jpg" alt="Girl in a jacket" width="500" height="600">
+<h2>Heading</h2>
+<ul>
+    <li>List item 1</li>
+    <li>List item 2</li>
+    <li>List <b>item</b> 3</li>
+</ul>