Technical facts

Application type(s)

Desktop application

Operating system(s) or programming environment(s)

Lubuntu 12.04 (precise)

IDE(s):

Qt Creator 2.3.0

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.6.3

Libraries used:

Boost: version 1.46.1
STL: GNU ISO C++ Library, version 4.6.3

Qt project file: CppSimplifyPath.pro


#-------------------------------------------------

#

# Project created by QtCreator 2012-05-30T10:52:19

#

#-------------------------------------------------



QT       += core



QT       -= gui



TARGET = CppSimplifyPath

CONFIG   += console

CONFIG   -= app_bundle



LIBS += -lboost_regex



TEMPLATE = app





SOURCES += main.cpp

main.cpp


#include <boost/regex.hpp>



///Simplify a path

///For example,

/// /home/richel/Projects/Tools/ToolTestProFile/../../Classes/CppQtAboutDialog/qtaboutdialog.ui

///is converted to

/// /home/richel/Projects/Classes/CppQtAboutDialog/qtaboutdialog.ui

//From http://www.richelbilderbeek.nl/CppSimplifyPath.htm

const std::string SimplifyPath(const std::string& s)

{



  std::string t = s;

  while (1)

  {

    const std::string new_t = boost::regex_replace(t,boost::regex("/\\w*/../"),"/");

    if (t == new_t) return t;

    t = new_t;

  }

}



#include <cassert>



int main()

{

  assert(SimplifyPath("/home/richel/Projects/Tools/ToolTestProFile/../../Classes/CppQtAboutDialog/qtaboutdialog.ui")

    == "/home/richel/Projects/Classes/CppQtAboutDialog/qtaboutdialog.ui");

  assert(SimplifyPath("/home/richel/Projects/Tools/../Classes/CppQtAboutDialog/qtaboutdialog.ui")

    == "/home/richel/Projects/Classes/CppQtAboutDialog/qtaboutdialog.ui");

  assert(SimplifyPath("/home/richel/Projects/Classes/CppQtAboutDialog/qtaboutdialog.ui")

    == "/home/richel/Projects/Classes/CppQtAboutDialog/qtaboutdialog.ui");

}

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(C++) SimplifyPath

Technical facts

Qt project file: CppSimplifyPath.pro

main.cpp