add std_map example

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8291 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/python/check.list

@@ -23,6 +23,7 @@ shadow
 simple
 smartptr
 std_vector
+std_map
 swigrun
 template
 varargs

Examples/python/std_map/.cvsignore

@@ -0,0 +1,13 @@
+example.py
+example.pyc
+*_wrap.c
+*_wrap.cxx
+*.dll
+*.dsw
+*.exp
+*.lib
+*.ncb
+*.opt
+*.plg
+Release
+Debug

Examples/python/std_map/Makefile

@@ -0,0 +1,24 @@
+TOP        = ../..
+SWIG       = $(TOP)/../preinst-swig
+CXXSRCS    = 
+TARGET     = example
+INTERFACE  = example.i
+LIBS       = -lm
+SWIGOPT    = 
+
+all::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' python_cpp
+
+static::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='mypython' INTERFACE='$(INTERFACE)' python_cpp_static
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile python_clean
+	rm -f $(TARGET).py
+
+run:
+	python runme.py
+
+check: all

Examples/python/std_map/example.h

@@ -0,0 +1,17 @@
+/* File : example.h */
+
+#include <map>
+#include <string>
+
+template<class Key, class Value>
+std::map<Key,Value> half_map(const std::map<Key,Value>& v) {
+  typedef typename std::map<Key,Value>::const_iterator iter;  
+  std::map<Key,Value> w;
+  for (iter i = v.begin(); i != v.end(); ++i) {
+    w[i->first] = (i->second)/2;
+  }  
+  return w;
+}
+
+
+

Examples/python/std_map/example.i

@@ -0,0 +1,26 @@
+/* File : example.i */
+%module example
+
+%{
+#include "example.h"
+%}
+
+%include std_string.i
+%include std_pair.i
+%include std_map.i
+
+/* instantiate the required template specializations */
+namespace std {
+  /* remember to instantiate the key,value pair! */
+  %template() pair<std::string,double>;
+  %template() pair<std::string,int>;
+  %template(DoubleMap) map<std::string,double>;
+  %template() map<std::string,int>;
+}
+
+/* Let's just grab the original header file here */
+%include "example.h"
+
+%template(halfd) half_map<std::string,double>;
+%template(halfi) half_map<std::string,int>;
+

Examples/python/std_map/runme.py

@@ -0,0 +1,36 @@
+# file: runme.py
+
+import example
+
+dmap = {}
+dmap["hello"] = 1.0
+dmap["hi"] = 2.0
+
+print dmap.items()
+print dmap.keys()
+print dmap.values()
+
+print dmap
+print example.halfd(dmap)
+
+dmap = example.DoubleMap()
+dmap["hello"] = 1.0
+dmap["hi"] = 2.0
+
+print dmap.items()
+print dmap.keys()
+print dmap.values()
+
+hmap = example.halfd(dmap)
+print hmap.keys()
+print hmap.values()
+
+
+dmap = {}
+dmap["hello"] = 2
+dmap["hi"] = 4
+
+hmap = example.halfi(dmap)
+print hmap
+print hmap.keys()
+print hmap.values()