Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 284 insertions, 0 deletions

diff --git a/kviewshell/plugins/djvu/libdjvu/GException.cpp b/kviewshell/plugins/djvu/libdjvu/GException.cpp
new file mode 100644
index 00000000..f3f84dda
--- /dev/null
+++ b/kviewshell/plugins/djvu/libdjvu/GException.cpp
@@ -0,0 +1,284 @@
+//C-  -*- C++ -*-
+//C- -------------------------------------------------------------------
+//C- DjVuLibre-3.5
+//C- Copyright (c) 2002  Leon Bottou and Yann Le Cun.
+//C- Copyright (c) 2001  AT&T
+//C-
+//C- This software is subject to, and may be distributed under, the
+//C- GNU General Public License, Version 2. The license should have
+//C- accompanied the software or you may obtain a copy of the license
+//C- from the Free Software Foundation at http://www.fsf.org .
+//C-
+//C- This program is distributed in the hope that it will be useful,
+//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
+//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//C- GNU General Public License for more details.
+//C- 
+//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
+//C- distributed by Lizardtech Software.  On July 19th 2002, Lizardtech 
+//C- Software authorized us to replace the original DjVu(r) Reference 
+//C- Library notice by the following text (see doc/lizard2002.djvu):
+//C-
+//C-  ------------------------------------------------------------------
+//C- | DjVu (r) Reference Library (v. 3.5)
+//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
+//C- | The DjVu Reference Library is protected by U.S. Pat. No.
+//C- | 6,058,214 and patents pending.
+//C- |
+//C- | This software is subject to, and may be distributed under, the
+//C- | GNU General Public License, Version 2. The license should have
+//C- | accompanied the software or you may obtain a copy of the license
+//C- | from the Free Software Foundation at http://www.fsf.org .
+//C- |
+//C- | The computer code originally released by LizardTech under this
+//C- | license and unmodified by other parties is deemed "the LIZARDTECH
+//C- | ORIGINAL CODE."  Subject to any third party intellectual property
+//C- | claims, LizardTech grants recipient a worldwide, royalty-free, 
+//C- | non-exclusive license to make, use, sell, or otherwise dispose of 
+//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the 
+//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU 
+//C- | General Public License.   This grant only confers the right to 
+//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to 
+//C- | the extent such infringement is reasonably necessary to enable 
+//C- | recipient to make, have made, practice, sell, or otherwise dispose 
+//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to 
+//C- | any greater extent that may be necessary to utilize further 
+//C- | modifications or combinations.
+//C- |
+//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
+//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
+//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+//C- +------------------------------------------------------------------
+// 
+// $Id: GException.cpp,v 1.14 2004/08/06 15:11:29 leonb Exp $
+// $Name: release_3_5_15 $
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#if NEED_GNUG_PRAGMAS
+# pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "GException.h"
+#include "DjVuMessageLite.h"
+#include "debug.h"
+
+
+#ifdef HAVE_NAMESPACES
+namespace DJVU {
+# ifdef NOT_DEFINED // Just to fool emacs c++ mode
+}
+#endif
+#endif
+
+
+// - Author: Leon Bottou, 05/1997
+
+GException::GException() 
+  : cause(0), file(0), func(0), line(0), source(GException::GINTERNAL)
+{
+}
+
+const char * const
+GException::outofmemory = ERR_MSG("GException.outofmemory");
+
+GException::GException(const GException & exc) 
+  : file(exc.file), func(exc.func), line(exc.line), source(exc.source)
+{
+  if (exc.cause && exc.cause!=outofmemory) 
+    {
+      char *s = new char[strlen(exc.cause)+1];
+      strcpy(s, exc.cause);
+      cause = s;
+    }
+  else
+    {
+      cause = exc.cause;
+    }
+}
+
+GException::GException (const char *xcause, const char *file, int line,
+   const char *func, const source_type xsource)
+  : file(file), func(func), line(line), source(xsource)
+{
+  // good place to set a breakpoint and DEBUG message too. 
+  // It'd hard to track exceptions which seem to go from nowhere
+#ifdef DEBUG_MSG
+  DEBUG_MSG("GException::GException(): cause=" << (xcause ? xcause : "unknown") << "\n");
+#endif
+  if (xcause && xcause!=outofmemory) 
+    {
+      char *s = new char[strlen(xcause)+1];
+      strcpy(s, xcause);
+      cause = s;
+    }
+  else
+    {
+      cause = xcause;
+    }
+}
+
+GException::~GException(void)
+{
+  if (cause && cause!=outofmemory ) 
+    delete [] const_cast<char*>(cause); 
+  cause=file=func=0;
+}
+
+GException & 
+GException::operator=(const GException & exc)
+{
+  if (cause && cause!=outofmemory) 
+    delete [] const_cast<char*>(cause);
+  cause = 0;
+  file = exc.file;
+  func = exc.func;
+  line = exc.line;
+  source=exc.source;
+  if (exc.cause && exc.cause!=outofmemory) 
+    {
+      char *s = new char[strlen(exc.cause)+1];
+      strcpy(s, exc.cause);
+      cause = s;
+    }
+  else
+    {
+      cause = exc.cause;
+    }
+  return *this;
+}
+
+void
+GException::perror(void) const
+{
+  fflush(0);
+  DjVuPrintErrorUTF8("*** ");
+  DjVuMessageLite::perror(get_cause());
+  if (file && line>0)
+    DjVuPrintErrorUTF8("*** (%s:%d)\n", file, line);    
+  else if (file)
+    DjVuPrintErrorUTF8("*** (%s)\n", file);
+  if (func)
+    DjVuPrintErrorUTF8("*** '%s'\n", func);    
+  DjVuPrintErrorUTF8("\n");
+}
+
+const char* 
+GException::get_cause(void) const
+{
+  if (! cause)
+    return "Invalid exception";
+  return cause;
+}
+
+int
+GException::cmp_cause(const char s1[] , const char s2[])
+{
+  int retval;
+  if(! s2 || !s2[0])
+  {
+    retval=(s1&&s1[0])?1:(-1);
+  }else if(! s1 || !s1[0])
+  {
+    retval=(-1);
+  }else
+  {
+    const char *end_s1=strpbrk(s1,"\t\n");
+    const int n1=end_s1?(int)((size_t)end_s1-(size_t)s1):strlen(s1);
+    const char *end_s2=strpbrk(s1,"\t\n");
+    const int n2=end_s2?(int)((size_t)end_s2-(size_t)s2):strlen(s2);
+    retval=(n1==n2)?strncmp(s1,s2,n1):strcmp(s1,s2);
+  }
+  return retval;
+}
+
+int
+GException::cmp_cause(const char s2[]) const
+{
+  return cmp_cause(cause,s2);
+}
+
+#ifdef USE_EXCEPTION_EMULATION
+
+GExceptionHandler *GExceptionHandler::head = 0;
+
+void
+GExceptionHandler::emthrow(const GException &gex)
+{
+  if (head)
+    {
+      head->current = gex;
+      longjmp(head->jump, -1);
+    }
+  else
+    {
+      DjVuPrintErrorUTF8("\n*** Unhandled exception");
+      gex.perror();
+      abort();
+    }
+}
+
+#else // ! USE_EXCEPTION_EMULATION
+
+static int abort_on_exception = 0;
+
+void 
+#ifndef NO_LIBGCC_HOOKS
+GExceptionHandler::exthrow(const GException &ex)
+#else
+GExceptionHandler::exthrow(const GException ex)
+#endif /* NO_LIBGCC_HOOKS */
+{
+  if (abort_on_exception) 
+    abort();
+  throw ex;
+}
+
+void 
+GExceptionHandler::rethrow(void)
+{
+  if (abort_on_exception) 
+    abort();
+  throw;
+}
+
+#endif
+
+
+
+// ------ MEMORY MANAGEMENT HANDLER
+
+#ifndef NEED_DJVU_MEMORY
+// This is not activated when C++ memory management
+// is overidden.  The overriding functions handle
+// memory exceptions by themselves.
+# if defined(_MSC_VER)
+// Microsoft is different!
+static int throw_memory_error(size_t) { G_THROW(GException::outofmemory); return 0; }
+static int (*old_handler)(size_t) = _set_new_handler(throw_memory_error);
+# else // !_MSC_VER
+// Standard C++
+static void throw_memory_error() { G_THROW(GException::outofmemory); }
+#  if !defined(WIN32) && !defined(__CYGWIN32__) && !defined(OS2)
+#   ifdef HAVE_STDINCLUDES
+static void (*old_handler)() = std::set_new_handler(throw_memory_error);
+#   else
+static void (*old_handler)() = set_new_handler(throw_memory_error);
+#   endif // HAVE_STDINCLUDES
+#  endif // ! WIN32
+# endif // !_MSC_VER
+#endif // !NEED_DJVU_MEMORY
+
+
+#ifdef HAVE_NAMESPACES
+}
+# ifndef NOT_USING_DJVU_NAMESPACE
+using namespace DJVU;
+# endif
+#endif
+