1 files changed, 9 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_string_c_template.h b/core/fxcrt/cfx_string_c_template.h
index b0e17a1222..9123fc234b 100644
--- a/core/fxcrt/cfx_string_c_template.h
+++ b/core/fxcrt/cfx_string_c_template.h
@@ -8,6 +8,7 @@
 #define CORE_FXCRT_CFX_STRING_C_TEMPLATE_H_
 
 #include <algorithm>
+#include <iterator>
 #include <type_traits>
 #include <utility>
 #include <vector>
@@ -26,6 +27,7 @@ class CFX_StringCTemplate {
   using CharType = T;
   using UnsignedType = typename std::make_unsigned<CharType>::type;
   using const_iterator = const CharType*;
+  using const_reverse_iterator = std::reverse_iterator<const_iterator>;
 
   CFX_StringCTemplate() : m_Ptr(nullptr), m_Length(0) {}
 
@@ -84,6 +86,13 @@ class CFX_StringCTemplate {
                  : nullptr;
   }
 
+  const_reverse_iterator rbegin() const {
+    return const_reverse_iterator(end());
+  }
+  const_reverse_iterator rend() const {
+    return const_reverse_iterator(begin());
+  }
+
   bool operator==(const CharType* ptr) const {
     return FXSYS_len(ptr) == m_Length &&
            FXSYS_cmp(ptr, reinterpret_cast<const CharType*>(m_Ptr.Get()),