1 files changed, 48 insertions, 0 deletions
diff --git a/dom/security/nsCSPUtils.h b/dom/security/nsCSPUtils.h
index 84dcbb7fcc..b06f9d3c84 100644
--- a/dom/security/nsCSPUtils.h
+++ b/dom/security/nsCSPUtils.h
@@ -15,6 +15,54 @@
 #include "nsUnicharUtils.h"
 #include "mozilla/Logging.h"
 
+// ======= Defines and helper functions =======
+
+static const char16_t COLON        = ':';
+static const char16_t SEMICOLON    = ';';
+static const char16_t SLASH        = '/';
+static const char16_t PLUS         = '+';
+static const char16_t DASH         = '-';
+static const char16_t DOT          = '.';
+static const char16_t UNDERLINE    = '_';
+static const char16_t TILDE        = '~';
+static const char16_t WILDCARD     = '*';
+static const char16_t SINGLEQUOTE  = '\'';
+static const char16_t OPEN_CURL    = '{';
+static const char16_t CLOSE_CURL   = '}';
+static const char16_t NUMBER_SIGN  = '#';
+static const char16_t QUESTIONMARK = '?';
+static const char16_t PERCENT_SIGN = '%';
+static const char16_t EXCLAMATION  = '!';
+static const char16_t DOLLAR       = '$';
+static const char16_t AMPERSAND    = '&';
+static const char16_t OPENBRACE    = '(';
+static const char16_t CLOSINGBRACE = ')';
+static const char16_t EQUALS       = '=';
+static const char16_t ATSYMBOL     = '@';
+
+static bool
+isCharacterToken(char16_t aSymbol)
+{
+  return (aSymbol >= 'a' && aSymbol <= 'z') ||
+         (aSymbol >= 'A' && aSymbol <= 'Z');
+}
+
+static bool
+isNumberToken(char16_t aSymbol)
+{
+  return (aSymbol >= '0' && aSymbol <= '9');
+}
+
+static bool
+isValidHexDig(char16_t aHexDig)
+{
+  return (isNumberToken(aHexDig) ||
+          (aHexDig >= 'A' && aHexDig <= 'F') ||
+          (aHexDig >= 'a' && aHexDig <= 'f'));
+}
+
+// ============================================
+
 namespace mozilla {
 namespace dom {
   struct CSP;