Technical facts

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.9.2

Libraries used:

STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppGetFileBasename/CppGetFileBasename.pro


include(../../ConsoleApplication.pri)

include(../../Libraries/BoostAll.pri)



SOURCES += main.cpp

./CppGetFileBasename/main.cpp


#include <cassert>



#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#include <boost/filesystem.hpp>

#include <boost/xpressive/xpressive.hpp>

#pragma GCC diagnostic pop



std::string GetFileBasenameBoostFilesystem(const std::string& filename)

{

  return boost::filesystem::basename(filename);

}



std::string GetFileBasenameBoostXpressive(const std::string& filename)

{

  const boost::xpressive::sregex rex

    = boost::xpressive::sregex::compile(

      "((.*)(/|\\\\))?([0-9A-Za-z_]*)((\\.)([A-Za-z]*))?" );

  boost::xpressive::smatch what;



  if( boost::xpressive::regex_match( filename, what, rex ) )

  {

    return what[4];

  }



  return "";

}



int main()

{

  //Tests for easy copy-paste

  assert(GetFileBasenameBoostFilesystem("") == std::string(""));

  assert(GetFileBasenameBoostFilesystem("tmp.txt") == std::string("tmp"));

  assert(GetFileBasenameBoostFilesystem("test_output.fas") == std::string("test_output"));

  assert(GetFileBasenameBoostFilesystem("test_output_0.fas") == std::string("test_output_0"));

  assert(GetFileBasenameBoostFilesystem("tmp") == std::string("tmp"));

  assert(GetFileBasenameBoostFilesystem("MyFolder/tmp") == std::string("tmp"));

  assert(GetFileBasenameBoostFilesystem("MyFolder/tmp.txt") == std::string("tmp"));

  //assert(GetFileBasenameBoostFilesystem("MyFolder\\tmp.txt") == std::string("tmp"));

  assert(GetFileBasenameBoostFilesystem("MyFolder/MyFolder/tmp") == std::string("tmp"));

  assert(GetFileBasenameBoostFilesystem("MyFolder/MyFolder/tmp.txt") == std::string("tmp"));

  //assert(GetFileBasenameBoostFilesystem("MyFolder/MyFolder\\tmp.txt") == std::string("tmp"));



  assert(GetFileBasenameBoostXpressive("") == std::string(""));

  assert(GetFileBasenameBoostXpressive("tmp.txt") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("test_output.fas") == std::string("test_output"));

  assert(GetFileBasenameBoostXpressive("test_output_0.fas") == std::string("test_output_0"));

  assert(GetFileBasenameBoostXpressive("tmp") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("MyFolder/tmp") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("MyFolder/tmp.txt") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("MyFolder\\tmp.txt") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("MyFolder/MyFolder/tmp") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("MyFolder/MyFolder/tmp.txt") == std::string("tmp"));

  assert(GetFileBasenameBoostXpressive("MyFolder/MyFolder\\tmp.txt") == std::string("tmp"));

}

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(C++) GetFileBasename

Technical facts

Qt project file: ./CppGetFileBasename/CppGetFileBasename.pro

./CppGetFileBasename/main.cpp