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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kviewshell/plugins/djvu/libdjvu/GOS.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
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
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+//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: GOS.cpp,v 1.12 2005/04/27 16:34:13 leonb Exp $
+// $Name: release_3_5_15 $
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#if NEED_GNUG_PRAGMAS
+# pragma implementation
+#endif
+
+#include "GException.h"
+#include "GThreads.h"
+#include "GOS.h"
+#include "GURL.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <math.h>
+#include <string.h>
+
+#ifdef WIN32
+# include <atlbase.h>
+# include <windows.h>
+# include <direct.h>
+#endif
+
+#ifdef OS2
+# define INCL_DOS
+# include <os2.h>
+#endif
+
+#if defined(UNIX) || defined(OS2)
+# include <errno.h>
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <sys/time.h>
+# include <fcntl.h>
+# include <pwd.h>
+# include <stdio.h>
+# include <unistd.h>
+#endif
+
+#ifdef macintosh
+# include <unix.h>
+# include <errno.h>
+# include <unistd.h>
+#endif
+
+// -- TRUE FALSE
+#undef TRUE
+#undef FALSE
+#define TRUE 1
+#define FALSE 0
+
+// -- MAXPATHLEN
+#ifndef MAXPATHLEN
+# ifdef _MAX_PATH
+# define MAXPATHLEN _MAX_PATH
+# else
+# define MAXPATHLEN 1024
+# endif
+#else
+# if ( MAXPATHLEN < 1024 )
+# undef MAXPATHLEN
+# define MAXPATHLEN 1024
+# endif
+#endif
+
+#ifdef HAVE_NAMESPACES
+namespace DJVU {
+# ifdef NOT_DEFINED // Just to fool emacs c++ mode
+}
+#endif
+#endif
+
+
+#if defined(AUTOCONF) && !defined(HAVE_STRERROR)
+# define NEED_STRERROR
+#elif defined(sun) && !defined(__svr4__)
+# define NEED_STRERROR
+#elif defined(REIMPLEMENT_STRERROR)
+# define NEED_STRERROR
+#endif
+#ifdef NEED_STRERROR
+char *
+strerror(int errno)
+{
+ extern int sys_nerr;
+ extern char *sys_errlist[];
+ if (errno>0 && errno<sys_nerr)
+ return sys_errlist[errno];
+ return "unknown stdio error";
+}
+#endif
+
+
+static const char slash='/';
+static const char percent='%';
+static const char backslash='\\';
+static const char colon=':';
+static const char dot='.';
+static const char nillchar=0;
+
+
+// -----------------------------------------
+// Functions for dealing with filenames
+// -----------------------------------------
+
+static inline int
+finddirsep(const GUTF8String &fname)
+{
+#if defined(UNIX)
+ return fname.rsearch('/',0);
+#elif defined(WIN32) || defined(OS2)
+ return fname.rcontains("\\/",0);
+#elif defined(macintosh)
+ return fname.rcontains(":/",0);
+#else
+#error "Define something here for your operating system"
+#endif
+}
+
+
+// basename(filename[, suffix])
+// -- returns the last component of filename and removes suffix
+// when present. works like /bin/basename.
+GUTF8String
+GOS::basename(const GUTF8String &gfname, const char *suffix)
+{
+ if(!gfname.length())
+ return gfname;
+
+ const char *fname=gfname;
+#if defined(WIN32) || defined(OS2)
+ // Special cases
+ if (fname[1] == colon)
+ {
+ if(!fname[2])
+ {
+ return gfname;
+ }
+ if (!fname[3] && (fname[2]== slash || fname[2]== backslash))
+ {
+ char string_buffer[4];
+ string_buffer[0] = fname[0];
+ string_buffer[1] = colon;
+ string_buffer[2] = backslash;
+ string_buffer[3] = 0;
+ return string_buffer;
+ }
+ }
+#endif
+
+
+ // Allocate buffer
+ GUTF8String retval(gfname,finddirsep(gfname)+1,(unsigned int)(-1));
+ fname=retval;
+
+ // Process suffix
+ if (suffix)
+ {
+ if (suffix[0]== dot )
+ suffix ++;
+ if (suffix[0])
+ {
+ const GUTF8String gsuffix(suffix);
+ const int sl = gsuffix.length();
+ const char *s = fname + strlen(fname);
+ if (s > fname + sl)
+ {
+ s = s - (sl + 1);
+ if(*s == dot && (GUTF8String(s+1).downcase() == gsuffix.downcase()))
+ {
+ retval.setat((int)((size_t)s-(size_t)fname),0);
+ }
+ }
+ }
+ }
+ return retval;
+}
+
+
+
+// errmsg --
+// -- A small helper function returning a
+// stdio error message in a static buffer.
+
+static GNativeString
+errmsg()
+{
+ GNativeString buffer;
+ const char *errname = strerror(errno);
+ buffer.format("%s (errno = %d)", errname, errno);
+ return buffer;
+}
+
+
+
+// -----------------------------------------
+// Functions for measuring time
+// -----------------------------------------
+
+// ticks() --
+// -- returns the number of milliseconds elapsed since
+// a system dependent date.
+unsigned long
+GOS::ticks()
+{
+#if defined(UNIX)
+ struct timeval tv;
+ if (gettimeofday(&tv, NULL) < 0)
+ G_THROW(errmsg());
+ return (unsigned long)( ((tv.tv_sec & 0xfffff)*1000)
+ + (tv.tv_usec/1000) );
+#elif defined(WIN32)
+ DWORD clk = GetTickCount();
+ return (unsigned long)clk;
+#elif defined(OS2)
+ ULONG clk = 0;
+ DosQuerySysInfo(QSV_MS_COUNT, QSV_MS_COUNT, (PVOID)&clk, sizeof(ULONG));
+ return clk;
+#elif defined(macintosh)
+ return (unsigned long)((double)TickCount()*16.66);
+#else
+# error "Define something here for your operating system"
+#endif
+}
+
+// sleep(int milliseconds) --
+// -- sleeps during the specified time (in milliseconds)
+void
+GOS::sleep(int milliseconds)
+{
+#if defined(UNIX)
+ struct timeval tv;
+ tv.tv_sec = milliseconds / 1000;
+ tv.tv_usec = (milliseconds - (tv.tv_sec * 1000)) * 1000;
+# if defined(THREADMODEL) && (THREADMODEL==COTHREADS)
+ GThread::select(0, NULL, NULL, NULL, &tv);
+# else
+ select(0, NULL, NULL, NULL, &tv);
+# endif
+#elif defined(WIN32)
+ Sleep(milliseconds);
+#elif defined(OS2)
+ DosSleep(milliseconds);
+#elif defined(macintosh)
+ unsigned long tick = ticks(), now;
+ while (1) {
+ now = ticks();
+ if ((tick+milliseconds) < now)
+ break;
+ GThread::yield();
+ }
+#endif
+}
+
+
+// -----------------------------------------
+// Testing
+// -----------------------------------------
+
+// cwd([dirname])
+// -- changes directory to dirname (when specified).
+// returns the full path name of the current directory.
+GUTF8String
+GOS::cwd(const GUTF8String &dirname)
+{
+#if defined(UNIX) || defined(macintosh) || defined(OS2)
+ if (dirname.length() && chdir(dirname.getUTF82Native())==-1)//MBCS cvt
+ G_THROW(errmsg());
+ char *string_buffer;
+ GPBuffer<char> gstring_buffer(string_buffer,MAXPATHLEN+1);
+ char *result = getcwd(string_buffer,MAXPATHLEN);
+ if (!result)
+ G_THROW(errmsg());
+ return GNativeString(result).getNative2UTF8();//MBCS cvt
+#elif defined (WIN32)
+ char drv[2];
+ if (dirname.length() && _chdir(dirname.getUTF82Native())==-1)//MBCS cvt
+ G_THROW(errmsg());
+ drv[0]= dot ; drv[1]=0;
+ char *string_buffer;
+ GPBuffer<char> gstring_buffer(string_buffer,MAXPATHLEN+1);
+ char *result = getcwd(string_buffer,MAXPATHLEN);
+ GetFullPathName(drv, MAXPATHLEN, string_buffer, &result);
+ return GNativeString(string_buffer).getNative2UTF8();//MBCS cvt
+#else
+#error "Define something here for your operating system"
+#endif
+}
+
+GUTF8String
+GOS::getenv(const GUTF8String &name)
+{
+ GUTF8String retval;
+ if(name.length())
+ {
+ const char *env=::getenv(name.getUTF82Native());
+ if(env)
+ {
+ retval=GNativeString(env);
+ }
+ }
+ return retval;
+}
+
+
+
+#ifdef HAVE_NAMESPACES
+}
+# ifndef NOT_USING_DJVU_NAMESPACE
+using namespace DJVU;
+# endif
+#endif
+