HDK: samples/expr/command.C Source File

00001 /*
00002  * Copyright (c) 2012
00003  *      Side Effects Software Inc.  All rights reserved.
00004  *
00005  * Redistribution and use of Houdini Development Kit samples in source and
00006  * binary forms, with or without modification, are permitted provided that the
00007  * following conditions are met:
00008  * 1. Redistributions of source code must retain the above copyright notice,
00009  *    this list of conditions and the following disclaimer.
00010  * 2. The name of Side Effects Software may not be used to endorse or
00011  *    promote products derived from this software without specific prior
00012  *    written permission.
00013  *
00014  * THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
00015  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00016  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
00017  * NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
00018  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00019  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
00020  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00021  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00022  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
00023  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00024  *
00025  *----------------------------------------------------------------------------
00026  */
00027 
00028 #include <string.h>
00029 #include <malloc.h>
00030 #include <math.h>
00031 #include <UT/UT_DSOVersion.h>
00032 #include <CMD/CMD_Args.h>
00033 #include <CMD/CMD_Manager.h>
00034 
00035 // NOTE: Please consider extending HOM rather than hscript
00036 
00037 static void
00038 cmd_args(CMD_Args &args)
00039 {
00040     // Command callback
00041     int         i;
00042     if (args.found('e'))
00043     {
00044         args.err() << "Found -e option with: " << args.argp('e') << endl;
00045         args.showUsage();
00046     }
00047     else
00048     {
00049         args.out() << "Arguments:\n";
00050         for (i = 1; i < args.argc(); i++)
00051             args.out() << i << ":  " << args(i) << endl;
00052     }
00053 }
00054 
00055 void
00056 CMDextendLibrary(CMD_Manager *cman)
00057 {
00058     // Extend the hscript command language by adding a simple command which
00059     // prints the arguments.
00060     cman->installCommand("args",        "e:",   cmd_args);
00061 }