parse.cpp
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00001 // Copyright (c) 2009, Willow Garage, Inc.
00002 // All rights reserved.
00003 // 
00004 // Redistribution and use in source and binary forms, with or without
00005 // modification, are permitted provided that the following conditions are met:
00006 // 
00007 //     * Redistributions of source code must retain the above copyright
00008 //       notice, this list of conditions and the following disclaimer.
00009 //     * Redistributions in binary form must reproduce the above copyright
00010 //       notice, this list of conditions and the following disclaimer in the
00011 //       documentation and/or other materials provided with the distribution.
00012 //     * Neither the name of Willow Garage, Inc. nor the names of its
00013 //       contributors may be used to endorse or promote products derived from
00014 //       this software without specific prior written permission.
00015 // 
00016 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00019 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00020 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00021 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00022 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00023 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00024 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00025 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00026 // POSSIBILITY OF SUCH DAMAGE.
00027 
00028 // Reusable parser routines
00029 
00030 #include "topic_tools/parse.h"
00031 
00032 #include <ros/console.h>
00033 
00034 namespace topic_tools
00035 {
00036 
00037 // Strip any leading namespace qualification from a topic (or other kind
00038 // of) ROS name
00039 bool 
00040 getBaseName(const std::string& full_name, std::string& base_name)
00041 {
00042   std::string tmp = full_name;
00043   int i = tmp.rfind('/');
00044   // Strip off trailing slahes (are those legal anyway?)
00045   while((tmp.size() > 0) && (i >= (int)(tmp.size() - 1)))
00046   {
00047     tmp = tmp.substr(0,tmp.size()-1);
00048     i = tmp.rfind('/');
00049   }
00050 
00051   if(tmp.size() == 0)
00052   {
00053     ROS_ERROR("Base name extracted from \"%s\" is an empty string", 
00054               full_name.c_str());
00055     return false;
00056   }
00057 
00058   if(i < 0)
00059     base_name = tmp;
00060   else
00061     base_name = tmp.substr(i+1, tmp.size()-i-1);
00062 
00063   return true;
00064 }
00065 
00066 }


topic_tools
Author(s): Morgan Quigley, Brian Gerkey
autogenerated on Sat Dec 28 2013 17:36:13