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cde/cde/programs/nsgmls/CmdLineApp.h
2018-05-24 18:22:55 -06:00

102 lines
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C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: CmdLineApp.h /main/1 1996/07/29 16:47:46 cde-hp $ */
// Copyright (c) 1996 James Clark
// See the file COPYING for copying permission.
#ifndef CmdLineApp_INCLUDED
#define CmdLineApp_INCLUDED 1
#ifdef __GNUG__
#pragma interface
#endif
#include "MessageReporter.h"
#include "Vector.h"
#include "StringOf.h"
#include "Boolean.h"
#include "CodingSystem.h"
#include "OutputCharStream.h"
#ifdef SP_WIDE_SYSTEM
// for wchar_t
#include <stddef.h>
#endif
#if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
#include <fstream>
using namespace std;
#else
class filebuf;
#endif
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class SP_API CmdLineApp : public MessageReporter {
public:
#ifdef SP_WIDE_SYSTEM
#define AppChar wchar_t
#else
#define AppChar char
#endif
CmdLineApp();
int run(int argc, AppChar **argv);
virtual int processOptions(int argc, AppChar **argv, int &nextArg);
virtual void processOption(AppChar opt, const AppChar *arg);
virtual int processArguments(int argc, AppChar **files) = 0;
static Boolean openFilebufWrite(filebuf &file, const AppChar *filename);
StringC usageString();
static const CodingSystem *codingSystem();
static const CodingSystem *lookupCodingSystem(const AppChar *);
static const CodingSystem *codingSystem(size_t, const char *&);
static StringC convertInput(const AppChar *s);
OutputCharStream *makeStdOut();
static OutputCharStream *makeStdErr();
protected:
virtual void registerOption(AppChar c, const AppChar *argName = 0);
virtual int init(int argc, AppChar **argv);
const AppChar *errorFile_;
const CodingSystem *outputCodingSystem_;
String<AppChar> optstr_;
Vector<const AppChar *> optArgNames_;
private:
Boolean getMessageText(const MessageFragment &, StringC &);
static const CodingSystem *codingSystem_;
};
#ifdef SP_WIDE_SYSTEM
#define SP_DEFINE_APP(CLASS) \
extern "C" \
wmain(int argc, wchar_t **argv) { CLASS app; return app.run(argc, argv); }
#else
#define SP_DEFINE_APP(CLASS) \
int main(int argc, char **argv) { CLASS app; return app.run(argc, argv); }
#endif
#ifdef SP_NAMESPACE
}
#endif
#endif /* not CmdLineApp_INCLUDED */