Changes in src/Common/utility.h [77d2432:490fb92e]

File:

• src/Common/utility.h (modified) (4 diffs)

src/Common/utility.h

@@ -10 +10 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Jul 24 14:28:19 2019
-// Update Count     : 41
+// Last Modified On : Tue Feb 11 13:00:36 2020
+// Update Count     : 50
 //
 
@@ -29 +29 @@
 #include <utility>
 #include <vector>
+#include <cstring>                                                                              // memcmp
 
 #include "Common/Indenter.h"
@@ -264 +265 @@
 }
 
-/// determines if `pref` is a prefix of `str`
-static inline bool isPrefix( const std::string & str, const std::string & pref ) {
+// determines if pref is a prefix of str
+static inline bool isPrefix( const std::string & str, const std::string & pref, unsigned int start = 0 ) {
         if ( pref.size() > str.size() ) return false;
-        auto its = std::mismatch( pref.begin(), pref.end(), str.begin() );
-        return its.first == pref.end();
+    return 0 == memcmp( str.c_str() + start, pref.c_str(), pref.size() );
+        // return prefix == full.substr(0, prefix.size()); // for future, requires c++17
 }
 
@@ -359 +360 @@
         reverse_iterate_t( T & ref ) : ref(ref) {}
 
-        typedef typename T::reverse_iterator iterator;
-        iterator begin() { return ref.rbegin(); }
-        iterator end() { return ref.rend(); }
+        // this does NOT work on const T!!!
+        // typedef typename T::reverse_iterator iterator;
+        auto begin() { return ref.rbegin(); }
+        auto end() { return ref.rend(); }
 };