99 lines
4.1 KiB
C++
99 lines
4.1 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
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#ifndef SAMPLE_COMMANDLINE_H
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#define SAMPLE_COMMANDLINE_H
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#include <assert.h>
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namespace SampleFramework
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{
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// Container for command-line arguments.
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// This class assumes argument 0 is always the executable path!
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class SampleCommandLine
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{
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public:
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//! commandLineFilePathFallback is an optional fall-back to a configuration file containing command line arguments.
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// Its contents are only processed and used if the other constructor arguments yield only an executable path.
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// This is especially useful in the case of an Andriod platform, which does not support command line options.
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// e.g. commandLineFilePathFallback = "commandline.txt"
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// e.g. contents of commandline.txt = --argument1 --argument2
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SampleCommandLine(unsigned int argc, const char *const* argv, const char * commandLineFilePathFallback = 0);
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SampleCommandLine(const char *args, const char * commandLineFilePathFallback = 0);
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~SampleCommandLine(void);
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//! has a given command-line switch?
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// e.g. s=="foo" checks for -foo
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bool hasSwitch(const char *s, const unsigned int argNum = invalidArgNum) const;
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//! gets the value of a switch...
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// e.g. s="foo" returns "bar" if '-foo=bar' is in the commandline.
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const char* getValue(const char *s, unsigned int argNum = invalidArgNum) const;
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// return how many command line arguments there are
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unsigned int getNumArgs(void) const;
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// what is the program name
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const char* getProgramName(void) const;
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// get the string that contains the unsued args
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unsigned int unusedArgsBufSize(void) const;
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// get the string that contains the unsued args
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const char* getUnusedArgs(char *buf, unsigned int bufSize) const;
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//! if the first argument is the given command.
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bool isCommand(const char *s) const;
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//! get the first argument assuming it isn't a switch.
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// e.g. for the command-line "myapp.exe editor -foo" it will return "editor".
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const char *getCommand(void) const;
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//! get the raw command-line argument list...
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unsigned int getArgC(void) const { return m_argc; }
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const char *const*getArgV(void) const { return m_argv; }
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//! whether or not an argument has been read already
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bool isUsed(unsigned int argNum) const;
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private:
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SampleCommandLine(const SampleCommandLine&);
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SampleCommandLine(void);
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SampleCommandLine operator=(const SampleCommandLine&);
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void initCommon(const char * commandLineFilePathFallback);
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unsigned int m_argc;
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const char *const *m_argv;
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void *m_freeme;
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static const unsigned int invalidArgNum = 0xFFFFFFFFU;
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bool* m_argUsed;
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};
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} // namespace SampleFramework
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#endif // SAMPLE_COMMANDLINE_H
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