various changes

[lyx.git] / src / support / lstrings.C

diff --git a/src/support/lstrings.C b/src/support/lstrings.C
index 20c92ff16e35b29c285dd7df03ea918b05128df1..d4047936bd226729d2cb1ecc9809af9c074104e6 100644 (file)
--- a/src/support/lstrings.C
+++ b/src/support/lstrings.C
@@ -4,7 +4,7 @@
  *           LyX, The Document Processor
  *        
  *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2000 The LyX Team.
+ *           Copyright 1995-2001 The LyX Team.
  *
  * ====================================================== */
 
@@ -26,9 +26,11 @@
 
 using std::count;
 using std::transform;
+
 #ifndef CXX_GLOBAL_CSTD
 using std::tolower;
 using std::toupper;
+using std::strlen;
 #endif
 
 
@@ -193,38 +195,36 @@ char uppercase(char c)
 }
 
 
+namespace {
+
+// since we cannot use std::tolower and std::toupper directly in the
+// calls to std::transform yet, we use these helper clases. (Lgb)
+
+struct local_lowercase {
+       char operator()(char c) const {
+               return tolower(c);
+       }
+};
+       
+struct local_uppercase {
+       char operator()(char c) const {
+               return toupper(c);
+       }
+};
+
+} // end of anon namespace
+
 string const lowercase(string const & a)
 {
        string tmp(a);
-#if 1
-       string::iterator result = tmp.begin();
-       string::iterator end = tmp.end();
-       for (string::iterator first = tmp.begin();
-            first != end; ++first, ++result) {
-               *result = lowercase(*first);
-       }
-#else
-       // We want to use this one. (Lgb)
-       transform(tmp.begin(), tmp.end(), tmp.begin(), lowercase);
-#endif
+       transform(tmp.begin(), tmp.end(), tmp.begin(), local_lowercase());
        return tmp;
 }
 
-
 string const uppercase(string const & a)
 {
        string tmp(a);
-#if 1
-       string::iterator result = tmp.begin();
-       string::iterator end = tmp.end();
-       for (string::iterator first = tmp.begin();
-            first != end; ++first, ++result) {
-               *result = uppercase(*first);
-       }
-#else
-       // We want to use this one. (Lgb)
-       transform(tmp.begin(), tmp.end(), tmp.begin(), uppercase);
-#endif
+       transform(tmp.begin(), tmp.end(), tmp.begin(), local_uppercase());
        return tmp;
 }
 
@@ -473,7 +473,7 @@ string const subst(string const & a, char oldchar, char newchar)
 
 
 string const subst(string const & a,
-            char const * oldstr, string const & newstr)
+                  char const * oldstr, string const & newstr)
 {
        lyx::Assert(oldstr);