parse.cpp
Go to the documentation of this file.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 }