Allow some tokens, by code, to be ignored by the Sniff.

Useful when there are different rules to perform in places like
inline html, open/close php tags, this allows easier subclassing
for customization.

CodeSniffer/Standards/Generic/Sniffs/WhiteSpace/ScopeIndentSniff.php

@@ -49,6 +49,18 @@ class Generic_Sniffs_WhiteSpace_ScopeIndentSniff implements PHP_CodeSniffer_Snif
      */
     public $exact = false;
 
+    /**
+     * List of tokens not needing to be checked for indentation.
+     *
+     * Useful to allow Sniffs based on this to easily ignore/skip some
+     * tokens from verification. For example, inline html sections
+     * or php open/close tags can escape from here and have their own
+     * rules elsewhere.
+     *
+     * @var array
+     */
+    public $ignoreIndentationTokens = array();
+
     /**
      * Any scope openers that should not cause an indent.
      *
@@ -224,6 +236,11 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
 
                 $column = $tokens[$firstToken]['column'];
 
+                // Ignore the token for indentation if it's in the ignore list.
+                if (in_array($tokens[$firstToken]['code'], $this->ignoreIndentationTokens)) {
+                    continue;
+                }
+
                 // Special case for non-PHP code.
                 if ($tokens[$firstToken]['code'] === T_INLINE_HTML) {
                     $trimmedContentLength