This stuff is general enough for lstrings

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35646 a592a061-630c-0410-9148-cb99ea01b6c8

src/lyxfind.cpp

@@ -1083,16 +1083,6 @@ FindAndReplaceOptions::FindAndReplaceOptions(docstring const & search, bool case
 
 
 namespace {
-/** Checks if the supplied character is lower-case */
-static bool isLowerCase(char_type ch) {
-	return lowercase(ch) == ch;
-}
-
-
-/** Checks if the supplied character is upper-case */
-static bool isUpperCase(char_type ch) {
-	return uppercase(ch) == ch;
-}
 
 
 /** Check if 'len' letters following cursor are all non-lowercase */

src/support/lstrings.cpp

@@ -432,6 +432,16 @@ char_type uppercase(char_type c)
 }
 
 
+bool isLowerCase(char_type ch) {
+	return lowercase(ch) == ch;
+}
+
+
+bool isUpperCase(char_type ch) {
+	return uppercase(ch) == ch;
+}
+
+
 namespace {
 
 // since we cannot use tolower and toupper directly in the

src/support/lstrings.h

@@ -83,6 +83,12 @@ char_type lowercase(char_type c);
 /// Does not depend on the locale.
 char_type uppercase(char_type c);
 
+/// Checks if the supplied character is lower-case
+bool isLowerCase(char_type ch);
+
+/// Checks if the supplied character is upper-case
+bool isUpperCase(char_type ch);
+
 /// same as lowercase(), but ignores locale
 std::string const ascii_lowercase(std::string const &);
 docstring const ascii_lowercase(docstring const &);