Add MapToVec (first/second) functions.

[clitk.git] / common / clitkCommon.txx

diff --git a/common/clitkCommon.txx b/common/clitkCommon.txx
index d7c91405dda8f45ff76138c341784f4d05b16b4c..5ee83bdca8f4f3efc23ae2aa8dc12ad28a2fe36e 100644 (file)
--- a/common/clitkCommon.txx
+++ b/common/clitkCommon.txx
@@ -3,7 +3,7 @@
 
   Authors belong to:
   - University of LYON              http://www.universite-lyon.fr/
-  - Léon Bérard cancer center       http://oncora1.lyon.fnclcc.fr
+  - Léon Bérard cancer center       http://www.centreleonberard.fr
   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
 
   This software is distributed WITHOUT ANY WARRANTY; without even
@@ -14,20 +14,14 @@
 
   - BSD        See included LICENSE.txt file
   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
-======================================================================-====*/
+===========================================================================**/
 #ifndef CLITKCOMMON_TXX
 #define CLITKCOMMON_TXX
-/**
-   -------------------------------------------------
-   * @file   clitkCommon.txx
-   * @author David Sarrut <david.sarrut@creatis.insa-lyon.fr>
-   * @date   18 May 2006
-   *
-   -------------------------------------------------*/
 
 //-------------------------------------------------------
 // Utility functions for text file parsing (author: joel schaerer)
 
+//--------------------------------------------------------------------
 template<class ElementType>
 ElementType parse_value(std::string str)
 {
@@ -37,7 +31,10 @@ ElementType parse_value(std::string str)
   assert(!parser.fail());
   return value;
 }
+//--------------------------------------------------------------------
 
+
+//--------------------------------------------------------------------
 template<class ElementType>
 std::vector<ElementType> parse_string(std::string str,char delim)
 {
@@ -49,7 +46,10 @@ std::vector<ElementType> parse_string(std::string str,char delim)
   }
   return result;
 }
+//--------------------------------------------------------------------
+
 
+//--------------------------------------------------------------------
 template<class ElementType>
 std::vector<std::vector<ElementType> > parse_file(const char* filename,char delim)
 {
@@ -62,6 +62,8 @@ std::vector<std::vector<ElementType> > parse_file(const char* filename,char deli
   }
   return result;
 }
+//--------------------------------------------------------------------
+
 
 //--------------------------------------------------------------------
 // Convert float, double ... to string
@@ -74,6 +76,19 @@ std::string toString(const T & t)
 }
 //--------------------------------------------------------------------
 
+
+//--------------------------------------------------------------------
+// http://www.codeguru.com/forum/showthread.php?t=231054
+template <class T>
+bool fromString(T& t, const std::string& s, 
+                std::ios_base& (*f)(std::ios_base&))
+{
+  std::istringstream iss(s);
+  return !(iss >> f >> t).fail();
+}
+//--------------------------------------------------------------------
+
+
 //--------------------------------------------------------------------
 // Convert float*, double* ... to string
 template<class T>
@@ -180,6 +195,7 @@ std::string GetTypeAsString()
 }
 //--------------------------------------------------------------------
 
+
 //--------------------------------------------------------------------
 template<class ImageType>
 void CloneImage(const typename ImageType::Pointer & input, typename ImageType::Pointer & output)
@@ -202,5 +218,22 @@ void CloneImage(const typename ImageType::Pointer & input, typename ImageType::P
 }
 //--------------------------------------------------------------------
 
+
+//--------------------------------------------------------------------
+// http://stackoverflow.com/questions/771453/copy-map-values-to-vector-in-stl
+template <typename M, typename V> 
+void MapToVecFirst(const  M & m, V & v) {
+  for( typename M::const_iterator it = m.begin(); it != m.end(); ++it ) {
+    v.push_back( it->first );
+  }
+}
+template <typename M, typename V> 
+void MapToVecSecond(const  M & m, V & v) {
+  for( typename M::const_iterator it = m.begin(); it != m.end(); ++it ) {
+    v.push_back( it->second );
+  }
+}
+//--------------------------------------------------------------------
+
 #endif /* end #define CLITKCOMMON_TXX */