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command.C
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1 /*
2  * Copyright (c) 2018
3  * Side Effects Software Inc. All rights reserved.
4  *
5  * Redistribution and use of Houdini Development Kit samples in source and
6  * binary forms, with or without modification, are permitted provided that the
7  * following conditions are met:
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. The name of Side Effects Software may not be used to endorse or
11  * promote products derived from this software without specific prior
12  * written permission.
13  *
14  * THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
15  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17  * NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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19  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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25  *----------------------------------------------------------------------------
26  */
27 
28 #include <string.h>
29 #include <malloc.h>
30 #include <math.h>
31 #include <UT/UT_DSOVersion.h>
32 #include <CMD/CMD_Args.h>
33 #include <CMD/CMD_Manager.h>
34 
35 // NOTE: Please consider extending HOM rather than hscript
36 
37 static void
38 cmd_args(CMD_Args &args)
39 {
40  // Command callback
41  int i;
42  if (args.found('e'))
43  {
44  args.err() << "Found -e option with: " << args.argp('e') << "\n";
45  args.showUsage();
46  }
47  else
48  {
49  args.out() << "Arguments:\n";
50  for (i = 1; i < args.argc(); i++)
51  args.out() << i << ": " << args(i) << "\n";
52  }
53 }
54 
55 void
57 {
58  // Extend the hscript command language by adding a simple command which
59  // prints the arguments.
60  cman->installCommand("args", "e:", cmd_args);
61 }
std::ostream & err(int show_line_number=1)
int found(int opt) const
Definition: UT_Args.h:56
void CMDextendLibrary(CMD_Manager *cman)
Definition: command.C:56
void installCommand(const char *name, const char *options, CMD_Callback cb, bool is_safe=true)
Install a command into the command list.
png_uint_32 i
Definition: png.h:2877
std::ostream & out()
Definition: CMD_Args.h:32
int argc() const
Definition: UT_Args.h:43
void showUsage()
const char * argp(int opt, int which=0) const
Definition: UT_Args.h:61