1 files changed, 37 insertions, 1 deletions
diff --git a/src/3rdparty/angle/src/common/string_utils.h b/src/3rdparty/angle/src/common/string_utils.h
index 131b17e086..07bf1ff81a 100644
--- a/src/3rdparty/angle/src/common/string_utils.h
+++ b/src/3rdparty/angle/src/common/string_utils.h
@@ -13,6 +13,8 @@
 #include <string>
 #include <vector>
 
+#include "common/Optional.h"
+
 namespace angle
 {
 
@@ -44,6 +46,40 @@ bool HexStringToUInt(const std::string &input, unsigned int *uintOut);
 
 bool ReadFileToString(const std::string &path, std::string *stringOut);
 
-}
+Optional<std::vector<wchar_t>> WidenString(size_t length, const char *cString);
+
+// Check if the string str begins with the given prefix.
+// The comparison is case sensitive.
+bool BeginsWith(const std::string &str, const std::string &prefix);
+
+// Check if the string str begins with the given prefix.
+// Prefix may not be NULL and needs to be NULL terminated.
+// The comparison is case sensitive.
+bool BeginsWith(const std::string &str, const char *prefix);
+
+// Check if the string str begins with the given prefix.
+// str and prefix may not be NULL and need to be NULL terminated.
+// The comparison is case sensitive.
+bool BeginsWith(const char *str, const char *prefix);
+
+// Check if the string str begins with the first prefixLength characters of the given prefix.
+// The length of the prefix string should be greater than or equal to prefixLength.
+// The comparison is case sensitive.
+bool BeginsWith(const std::string &str, const std::string &prefix, const size_t prefixLength);
+
+// Check if the string str ends with the given suffix.
+// Suffix may not be NUL and needs to be NULL terminated.
+// The comparison is case sensitive.
+bool EndsWith(const std::string& str, const char* suffix);
+
+// Convert to lower-case.
+void ToLower(std::string *str);
+
+// Replaces the substring 'substring' in 'str' with 'replacement'. Returns true if successful.
+bool ReplaceSubstring(std::string *str,
+                      const std::string &substring,
+                      const std::string &replacement);
+
+}  // namespace angle
 
 #endif // LIBANGLE_STRING_UTILS_H_