The great merge

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4141 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/ruby/import/.cvsignore

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+bar_wrap.cxx
+base_wrap.cxx
+foo_wrap.cxx
+spam_wrap.cxx

SWIG/Examples/ruby/import/Makefile

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+TOP        = ../..
+SWIG       = $(TOP)/../swig
+SWIGOPT    = -c
+#If your system requires linking with the runtime libraries then set the directory location here
+RUNTIMEDIR = /usr/local/lib
+ 
+all::
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='base' INTERFACE='base.i' ruby_multi_cpp
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='foo' INTERFACE='foo.i' ruby_multi_cpp
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='bar' INTERFACE='bar.i' ruby_multi_cpp
+	$(MAKE) -f $(TOP)/Makefile SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' \
+	RUNTIMEDIR='$(RUNTIMEDIR)' TARGET='spam' INTERFACE='spam.i' ruby_multi_cpp
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile ruby_clean
+
+check: all

SWIG/Examples/ruby/import/README

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+This example tests the SWIG run-time libraries and use of the
+%import directive to work with multiple modules.
+
+Use 'ruby runme.rb' to run a test.
+
+Overview:
+---------
+
+The example defines 4 different extension modules--each wrapping
+a separate C++ class.
+
+     base.i     -  Base class
+     foo.i      -  Foo class derived from Base
+     bar.i      -  Bar class derived from Base
+     spam.i     -  Spam class derived from Bar
+
+Each module used %import to refer to another module.  For
+example, the 'foo.i' module uses '%import base.i' to get
+definitions for its base class. 
+
+If everything is working correctly, all of the modules will load
+correctly and type checking will work correctly.   The
+example requires the use of the SWIG run-time libraries
+which must be built and properly installed.  
+
+
+
+

SWIG/Examples/ruby/import/bar.h

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+#include "base.h"
+
+class Bar : public Base {
+ public:
+  Bar() { }
+  ~Bar() { }
+  virtual const char * A() const { 
+    return "Bar::A";
+  }
+  const char * B() const {
+    return "Bar::B";
+  }
+  virtual Base *toBase() {
+    return static_cast<Base *>(this);
+  }
+  static Bar *fromBase(Base *b) {
+    return dynamic_cast<Bar *>(b);
+  }
+};
+
+

SWIG/Examples/ruby/import/bar.i

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+%module bar
+%{
+#include "bar.h"
+%}
+
+%import base.i
+%include "bar.h"
+
+

SWIG/Examples/ruby/import/base.h

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+class Base {
+ public:
+     Base() { };
+    ~Base() { };
+     virtual const char * A() const {
+         return "Base::A";
+     }
+     const char * B() const {
+       return "Base::B";
+     }
+     virtual Base *toBase() {
+       return static_cast<Base *>(this);
+     }
+};
+ 
+        

SWIG/Examples/ruby/import/base.i

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+%module base
+%{
+#include "base.h"
+%}
+
+%include base.h

SWIG/Examples/ruby/import/foo.h

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+#include "base.h"
+
+class Foo : public Base {
+ public:
+  Foo() { }
+  ~Foo() { }
+  virtual const char * A() const { 
+    return "Foo::A";
+  }
+  const char * B() const {
+    return "Foo::B";
+  }
+  virtual Base *toBase() {
+    return static_cast<Base *>(this);
+  }
+  static Foo *fromBase(Base *b) {
+    return dynamic_cast<Foo *>(b);
+  }
+};
+
+

SWIG/Examples/ruby/import/foo.i

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+%module foo
+%{
+#include "foo.h"
+%}
+
+%import base.i
+%include "foo.h"
+

SWIG/Examples/ruby/import/runme.rb

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+# file: runme.rb
+# Test various properties of classes defined in separate modules
+
+puts "Testing the %import directive"
+
+require 'base'
+require 'foo'
+require 'bar'
+require 'spam'
+
+# Create some objects
+
+puts "Creating some objects"
+
+a = Base::Base.new
+b = Foo::Foo.new
+c = Bar::Bar.new
+d = Spam::Spam.new
+
+# Try calling some methods
+puts "Testing some methods"
+puts "Should see 'Base::A' ---> #{a.A}"
+puts "Should see 'Base::B' ---> #{a.B}"
+
+puts  "Should see 'Foo::A' ---> #{b.A}"
+puts  "Should see 'Foo::B' ---> #{b.B}"
+
+puts  "Should see 'Bar::A' ---> #{c.A}"
+puts  "Should see 'Bar::B' ---> #{c.B}"
+
+puts  "Should see 'Spam::A' ---> #{d.A}"
+puts  "Should see 'Spam::B' ---> #{d.B}"
+
+# Try some casts
+
+puts "\nTesting some casts\n"
+
+x = a.toBase
+puts "Should see 'Base::A' ---> #{x.A}"
+puts "Should see 'Base::B' ---> #{x.B}"
+
+x = b.toBase
+puts "Should see 'Foo::A' ---> #{x.A}"
+puts "Should see 'Base::B' ---> #{x.B}"
+
+x = c.toBase
+puts "Should see 'Bar::A' ---> #{x.A}"
+puts "Should see 'Base::B' ---> #{x.B}"
+
+x = d.toBase
+puts "Should see 'Spam::A' ---> #{x.A}"
+puts "Should see 'Base::B' ---> #{x.B}"
+
+x = d.toBar
+puts "Should see 'Bar::B' ---> #{x.B}"
+
+puts "\nTesting some dynamic casts\n"
+x = d.toBase
+
+puts " Spam -> Base -> Foo : "
+y = Foo::Foo.fromBase(x)
+if y != nil
+  puts "bad swig"
+else
+  puts "good swig"
+end
+
+puts " Spam -> Base -> Bar : "
+y = Bar::Bar.fromBase(x)
+if y != nil
+  puts "good swig"
+else
+  puts "bad swig"
+end
+      
+puts " Spam -> Base -> Spam : "
+y = Spam::Spam.fromBase(x)
+if y != nil
+  puts "good swig"
+else
+  puts "bad swig"
+end
+
+puts " Foo -> Spam : "
+y = Spam::Spam.fromBase(b)
+if y != nil
+  puts "bad swig"
+else
+  puts "good swig"
+end

SWIG/Examples/ruby/import/spam.h

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+#include "bar.h"
+
+class Spam : public Bar {
+ public:
+  Spam() { }
+  ~Spam() { }
+  virtual const char * A() const { 
+    return "Spam::A";
+  }
+  const char * B() const {
+    return "Spam::B";
+  }
+  virtual Base *toBase() {
+    return static_cast<Base *>(this);
+  }
+  virtual Bar *toBar() {
+    return static_cast<Bar *>(this);
+  }
+  static Spam *fromBase(Base *b) {
+    return dynamic_cast<Spam *>(b);
+  }
+};
+
+

SWIG/Examples/ruby/import/spam.i

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+%module spam
+%{
+#include "spam.h"
+%}
+
+%import bar.i
+%include "spam.h"
+
+