feat(events): add events to all subparsers

This commit adds events to all subparsers (that were previously not being watched).

src/converter.js

@@ -285,8 +285,13 @@ showdown.Converter = function (converterOptions) {
     // detab
     text = showdown.subParser('detab')(text, options, globals);
 
-    // stripBlankLines
-    text = showdown.subParser('stripBlankLines')(text, options, globals);
+    /**
+     * Strip any lines consisting only of spaces and tabs.
+     * This makes subsequent regexs easier to write, because we can
+     * match consecutive blank lines with /\n+/ instead of something
+     * contorted like /[ \t]*\n+/
+     */
+    text = text.replace(/^[ \t]+$/mg, '');
 
     //run languageExtensions
     showdown.helper.forEach(langExtensions, function (ext) {

src/subParsers/autoLinks.js

@@ -38,7 +38,7 @@ showdown.subParser('autoLinks', function (text, options, globals) {
   function replaceMail(wholeMatch, b, mail) {
     var href = 'mailto:';
     b = b || '';
-    mail = showdown.subParser('unescapeSpecialChars')(mail);
+    mail = showdown.subParser('unescapeSpecialChars')(mail, options, globals);
     if (options.encodeEmails) {
       mail = showdown.helper.encodeEmailAddress(mail);
       href = showdown.helper.encodeEmailAddress(href + mail);

src/subParsers/codeBlocks.js

@@ -15,9 +15,9 @@ showdown.subParser('codeBlocks', function (text, options, globals) {
         nextChar = m2,
         end = '\n';
 
-    codeblock = showdown.subParser('outdent')(codeblock);
-    codeblock = showdown.subParser('encodeCode')(codeblock);
-    codeblock = showdown.subParser('detab')(codeblock);
+    codeblock = showdown.subParser('outdent')(codeblock, options, globals);
+    codeblock = showdown.subParser('encodeCode')(codeblock, options, globals);
+    codeblock = showdown.subParser('detab')(codeblock, options, globals);
     codeblock = codeblock.replace(/^\n+/g, ''); // trim leading newlines
     codeblock = codeblock.replace(/\n+$/g, ''); // trim trailing newlines
 

src/subParsers/codeSpans.js

@@ -49,7 +49,7 @@ showdown.subParser('codeSpans', function (text, options, globals) {
       var c = m3;
       c = c.replace(/^([ \t]*)/g, '');	// leading whitespace
       c = c.replace(/[ \t]*$/g, '');	// trailing whitespace
-      c = showdown.subParser('encodeCode')(c);
+      c = showdown.subParser('encodeCode')(c, options, globals);
       return m1 + '<code>' + c + '</code>';
     }
   );

src/subParsers/detab.js

@@ -1,8 +1,9 @@
 /**
  * Convert all tabs to spaces
  */
-showdown.subParser('detab', function (text) {
+showdown.subParser('detab', function (text, options, globals) {
   'use strict';
+  text = globals.converter._dispatch('detab.before', text, options, globals);
 
   // expand first n-1 tabs
   text = text.replace(/\t(?=\t)/g, '    '); // g_tab_width
@@ -27,6 +28,6 @@ showdown.subParser('detab', function (text) {
   text = text.replace(/¨A/g, '    ');  // g_tab_width
   text = text.replace(/¨B/g, '');
 
+  text = globals.converter._dispatch('detab.after', text, options, globals);
   return text;
-
 });