1

devtools/swigwin-1.3.34/Lib/python/director.swg

@@ -0,0 +1,482 @@
+/* -----------------------------------------------------------------------------
+ * See the LICENSE file for information on copyright, usage and redistribution
+ * of SWIG, and the README file for authors - http://www.swig.org/release.html.
+ *
+ * director.swg
+ *
+ * This file contains support for director classes that proxy
+ * method calls from C++ to Python extensions.
+ * ----------------------------------------------------------------------------- */
+
+#ifndef SWIG_DIRECTOR_PYTHON_HEADER_
+#define SWIG_DIRECTOR_PYTHON_HEADER_
+
+#ifdef __cplusplus
+
+#include <string>
+#include <iostream>
+#include <exception>
+#include <vector>
+#include <map>
+
+
+/*
+  Use -DSWIG_PYTHON_DIRECTOR_NO_VTABLE if you don't want to generate a 'virtual
+  table', and avoid multiple GetAttr calls to retrieve the python
+  methods.
+*/
+
+#ifndef SWIG_PYTHON_DIRECTOR_NO_VTABLE
+#ifndef SWIG_PYTHON_DIRECTOR_VTABLE
+#define SWIG_PYTHON_DIRECTOR_VTABLE
+#endif
+#endif
+
+
+
+/*
+  Use -DSWIG_DIRECTOR_NO_UEH if you prefer to avoid the use of the
+  Undefined Exception Handler provided by swift
+*/
+#ifndef SWIG_DIRECTOR_NO_UEH
+#ifndef SWIG_DIRECTOR_UEH
+#define SWIG_DIRECTOR_UEH
+#endif
+#endif
+
+
+/*
+  Use -DSWIG_DIRECTOR_STATIC if you prefer to avoid the use of the
+  'Swig' namespace. This could be usefull for multi-modules projects.
+*/
+#ifdef SWIG_DIRECTOR_STATIC
+/* Force anonymous (static) namespace */
+#define Swig
+#endif
+
+
+/*
+  Use -DSWIG_DIRECTOR_NORTTI if you prefer to avoid the use of the
+  native C++ RTTI and dynamic_cast<>. But be aware that directors
+  could stop working when using this option.
+*/
+#ifdef SWIG_DIRECTOR_NORTTI
+/* 
+   When we don't use the native C++ RTTI, we implement a minimal one
+   only for Directors.
+*/
+# ifndef SWIG_DIRECTOR_RTDIR
+# define SWIG_DIRECTOR_RTDIR
+#include <map>
+
+namespace Swig {
+  class Director;
+  SWIGINTERN std::map<void*,Director*>& get_rtdir_map() {
+    static std::map<void*,Director*> rtdir_map;
+    return rtdir_map;
+  }
+
+  SWIGINTERNINLINE void set_rtdir(void *vptr, Director *rtdir) {
+    get_rtdir_map()[vptr] = rtdir;
+  }
+
+  SWIGINTERNINLINE Director *get_rtdir(void *vptr) {
+    std::map<void*,Director*>::const_iterator pos = get_rtdir_map().find(vptr);
+    Director *rtdir = (pos != get_rtdir_map().end()) ? pos->second : 0;
+    return rtdir;
+  }
+}
+# endif /* SWIG_DIRECTOR_RTDIR */
+
+# define SWIG_DIRECTOR_CAST(Arg) Swig::get_rtdir(static_cast<void*>(Arg))
+# define SWIG_DIRECTOR_RGTR(Arg1, Arg2) Swig::set_rtdir(static_cast<void*>(Arg1), Arg2)
+
+#else
+
+# define SWIG_DIRECTOR_CAST(Arg) dynamic_cast<Swig::Director*>(Arg)
+# define SWIG_DIRECTOR_RGTR(Arg1, Arg2)
+
+#endif /* SWIG_DIRECTOR_NORTTI */
+
+extern "C" {
+  struct swig_type_info;
+}
+
+namespace Swig {  
+
+  /* memory handler */
+  struct GCItem 
+  {
+    virtual ~GCItem() = 0;
+
+    virtual int get_own() const
+    {
+      return 0;
+    }
+  };
+
+  GCItem::~GCItem()
+  {
+  }
+
+  struct GCItem_var
+  {
+    GCItem_var(GCItem *item = 0) : _item(item)
+    {
+    }
+
+    GCItem_var& operator=(GCItem *item)
+    {
+      GCItem *tmp = _item;
+      _item = item;
+      delete tmp;
+      return *this;
+    }
+
+    ~GCItem_var() 
+    {
+      delete _item;
+    }
+    
+    GCItem * operator->() const
+    {
+      return _item;
+    }
+    
+  private:
+    GCItem *_item;
+  };
+  
+  struct GCItem_Object : GCItem
+  {
+    GCItem_Object(int own) : _own(own)
+    {
+    }
+    
+    virtual ~GCItem_Object() 
+    {
+    }
+
+    int get_own() const
+    {
+      return _own;
+    }
+    
+  private:
+    int _own;
+  };
+
+  template <typename Type>
+  struct GCItem_T : GCItem
+  {
+    GCItem_T(Type *ptr) : _ptr(ptr)
+    {
+    }
+    
+    virtual ~GCItem_T() 
+    {
+      delete _ptr;
+    }
+    
+  private:
+    Type *_ptr;
+  };
+
+  template <typename Type>
+  struct GCArray_T : GCItem
+  {
+    GCArray_T(Type *ptr) : _ptr(ptr)
+    {
+    }
+    
+    virtual ~GCArray_T() 
+    {
+      delete[] _ptr;
+    }
+    
+  private:
+    Type *_ptr;
+  };
+
+  /* base class for director exceptions */
+  class DirectorException {
+  protected:
+    std::string swig_msg;
+  public:
+    DirectorException(PyObject *error, const char* hdr ="", const char* msg ="") 
+      : swig_msg(hdr)
+    {
+      SWIG_PYTHON_THREAD_BEGIN_BLOCK; 
+      if (strlen(msg)) {
+        swig_msg += " ";
+        swig_msg += msg;
+      }
+      if (!PyErr_Occurred()) {
+        swig_msg.insert(0, ": ");
+        PyErr_SetString(error, getMessage());
+      } else {
+        SWIG_Python_AddErrorMsg(getMessage());
+      }
+      SWIG_PYTHON_THREAD_END_BLOCK; 
+    }
+
+    const char *getMessage() const
+    { 
+      return swig_msg.c_str(); 
+    }
+
+    static void raise(PyObject *error, const char *msg) 
+    {
+      throw DirectorException(error, msg);
+    }
+
+    static void raise(const char *msg) 
+    {
+      raise(PyExc_RuntimeError, msg);
+    }
+  };
+
+  /* unknown exception handler  */
+  class UnknownExceptionHandler 
+  {
+#ifdef SWIG_DIRECTOR_UEH
+    static void handler()  {
+      try {
+        throw;
+      } catch (DirectorException& e) {
+        std::cerr << "Swig Director exception caught:" << std::endl
+                  << e.getMessage() << std::endl;
+      } catch (std::exception& e) {
+        std::cerr << "std::exception caught: "<< e.what() << std::endl;
+      } catch (...) {
+        std::cerr << "Unknown exception caught." << std::endl;
+      }
+      
+      std::cerr << std::endl
+                << "Python interpreter traceback:" << std::endl;
+      PyErr_Print();
+      std::cerr << std::endl;
+      
+      std::cerr << "This exception was caught by the SWIG unexpected exception handler." << std::endl
+                << "Try using %feature(\"director:except\") to avoid reaching this point." << std::endl
+                << std::endl
+                << "Exception is being re-thrown, program will like abort/terminate." << std::endl;
+      throw;
+    }
+
+  public:
+    
+    std::unexpected_handler old;
+    UnknownExceptionHandler(std::unexpected_handler nh = handler)
+    {
+      old = std::set_unexpected(nh);
+    }
+
+    ~UnknownExceptionHandler()
+    {
+      std::set_unexpected(old);
+    }
+#endif
+  };
+
+  /* type mismatch in the return value from a python method call */
+  class DirectorTypeMismatchException : public Swig::DirectorException {
+  public:
+    DirectorTypeMismatchException(PyObject *error, const char* msg="") 
+      : Swig::DirectorException(error, "Swig director type mismatch", msg)
+    {
+    }
+
+    DirectorTypeMismatchException(const char* msg="") 
+      : Swig::DirectorException(PyExc_TypeError, "Swig director type mismatch", msg)
+    {
+    }
+
+    static void raise(PyObject *error, const char *msg)
+    {
+      throw DirectorTypeMismatchException(error, msg);
+    }
+
+    static void raise(const char *msg)
+    {
+      throw DirectorTypeMismatchException(msg);
+    }
+  };
+
+  /* any python exception that occurs during a director method call */
+  class DirectorMethodException : public Swig::DirectorException {
+  public:
+    DirectorMethodException(const char* msg = "") 
+      : DirectorException(PyExc_RuntimeError, "Swig director method error.", msg)
+    {
+    }    
+
+    static void raise(const char *msg)
+    {
+      throw DirectorMethodException(msg);
+    }
+  };
+
+  /* attempt to call a pure virtual method via a director method */
+  class DirectorPureVirtualException : public Swig::DirectorException
+  {
+  public:
+    DirectorPureVirtualException(const char* msg = "") 
+      : DirectorException(PyExc_RuntimeError, "Swig director pure virtual method called", msg)
+    { 
+    }
+
+    static void raise(const char *msg) 
+    {
+      throw DirectorPureVirtualException(msg);
+    }
+  };
+
+
+#if defined(SWIG_PYTHON_THREADS)
+/*  __THREAD__ is the old macro to activate some thread support */
+# if !defined(__THREAD__)
+#   define __THREAD__ 1
+# endif
+#endif
+
+#ifdef __THREAD__
+# include "pythread.h"
+  class Guard
+  {
+    PyThread_type_lock & mutex_;
+    
+  public:
+    Guard(PyThread_type_lock & mutex) : mutex_(mutex)
+    {
+      PyThread_acquire_lock(mutex_, WAIT_LOCK);
+    }
+    
+    ~Guard()
+    {
+      PyThread_release_lock(mutex_);
+    }
+  };
+# define SWIG_GUARD(mutex) Guard _guard(mutex)
+#else
+# define SWIG_GUARD(mutex) 
+#endif
+
+  /* director base class */
+  class Director {
+  private:
+    /* pointer to the wrapped python object */
+    PyObject* swig_self;
+    /* flag indicating whether the object is owned by python or c++ */
+    mutable bool swig_disown_flag;
+
+    /* decrement the reference count of the wrapped python object */
+    void swig_decref() const { 
+      if (swig_disown_flag) {
+        SWIG_PYTHON_THREAD_BEGIN_BLOCK; 
+        Py_DECREF(swig_self); 
+        SWIG_PYTHON_THREAD_END_BLOCK; 
+      }
+    }
+
+  public:
+    /* wrap a python object, optionally taking ownership */
+    Director(PyObject* self) : swig_self(self), swig_disown_flag(false) {
+      swig_incref();
+    }
+
+
+    /* discard our reference at destruction */
+    virtual ~Director() {
+      swig_decref(); 
+    }
+
+
+    /* return a pointer to the wrapped python object */
+    PyObject *swig_get_self() const { 
+      return swig_self; 
+    }
+
+    /* acquire ownership of the wrapped python object (the sense of "disown"
+     * is from python) */
+    void swig_disown() const { 
+      if (!swig_disown_flag) { 
+        swig_disown_flag=true;
+        swig_incref(); 
+      } 
+    }
+
+    /* increase the reference count of the wrapped python object */
+    void swig_incref() const { 
+      if (swig_disown_flag) {
+        Py_INCREF(swig_self); 
+      }
+    }
+
+    /* methods to implement pseudo protected director members */
+    virtual bool swig_get_inner(const char* /* name */) const {
+      return true;
+    }
+    
+    virtual void swig_set_inner(const char* /* name */, bool /* val */) const {
+    }
+
+  /* ownership management */
+  private:
+    typedef std::map<void*, GCItem_var> ownership_map;
+    mutable ownership_map owner;
+#ifdef __THREAD__
+    static PyThread_type_lock swig_mutex_own;
+#endif
+
+  public:
+    template <typename Type>
+    void swig_acquire_ownership_array(Type *vptr)  const
+    {
+      if (vptr) {
+        SWIG_GUARD(swig_mutex_own);
+        owner[vptr] = new GCArray_T<Type>(vptr);
+      }
+    }
+    
+    template <typename Type>
+    void swig_acquire_ownership(Type *vptr)  const
+    {
+      if (vptr) {
+        SWIG_GUARD(swig_mutex_own);
+        owner[vptr] = new GCItem_T<Type>(vptr);
+      }
+    }
+
+    void swig_acquire_ownership_obj(void *vptr, int own) const
+    {
+      if (vptr && own) {
+        SWIG_GUARD(swig_mutex_own);
+        owner[vptr] = new GCItem_Object(own);
+      }
+    }
+    
+    int swig_release_ownership(void *vptr) const
+    {
+      int own = 0;
+      if (vptr) {
+        SWIG_GUARD(swig_mutex_own);
+        ownership_map::iterator iter = owner.find(vptr);
+        if (iter != owner.end()) {
+          own = iter->second->get_own();
+          owner.erase(iter);
+        }
+      }
+      return own;
+    }
+  };
+
+#ifdef __THREAD__
+  PyThread_type_lock Director::swig_mutex_own = PyThread_allocate_lock();
+#endif
+}
+
+#endif /* __cplusplus */
+
+
+#endif