path_completion.cpp

Go to the documentation of this file.

/***************************************
        Auteur : Pierre Aubert
        Mail : pierre.aubert@lapp.in2p3.fr
        Licence : CeCILL-C
****************************************/
 
#include <dirent.h>
 
#include "string_utils.h"
#include "string_filename.h"
 
#include "path_completion.h"
 
 
std::string completePathDir(const std::string & pathDir){
//      return pathDir;
        if(pathDir == ""){return ".";}
        else if(pathDir[0] == '/'){return pathDir;}
        else if(isSameBegining(pathDir, "./")){return pathDir;}
        else{return "./" + pathDir;}
}
 
 
std::string prefixPathDir(const std::string & pathDir){
        if(pathDir == ""){return "";}
        else if(pathDir[pathDir.size() - 1lu] == '/'){return pathDir;}
        else if(pathDir[pathDir.size() - 1lu] != '/'){return pathDir + "/";}
        else{return pathDir;}
}
 
 
std::string path_completion_all(const std::string & basePath){
//      std::cerr << "path_completion_all : basePath = '"<<basePath<<"'" << std::endl;
        if(basePath == ""){return "./";}
        if(isFileExist(basePath)){return "";}
        
        std::string listMatchingPath("");
        if(isDirectoryExist(basePath)){
                std::string completedPathDir(completePathDir(basePath));
                std::string prefixPath(prefixPathDir(basePath));
                DIR * dp = opendir(completedPathDir.c_str());
                dirent * dptr = readdir(dp);
                while(NULL != dptr){
                        std::string pathName(dptr->d_name);
                        if(pathName != "." && pathName != ".."){
                                listMatchingPath += prefixPath + pathName + "\n";
                        }
                        dptr = readdir(dp);
                }
                closedir(dp);
        }else{
                std::string baseDir(getDirectory(basePath)), startNewPath(getFileName(basePath));
                std::string completedPathDir(completePathDir(baseDir));
                std::string prefixPath(prefixPathDir(baseDir));
                DIR * dp = opendir(completedPathDir.c_str());
                
                dirent * dptr = readdir(dp);
                while(NULL != dptr){
                        std::string pathName(dptr->d_name);
                        if(pathName != "." && pathName != ".."){
                                if(isSameBegining(pathName, startNewPath)){
                                        listMatchingPath += prefixPath + pathName + "\n";
                                }
                        }
                        dptr = readdir(dp);
                }
                
                closedir(dp);
        }
//      std::cerr << "path_completion_all : listMatchingPath = '"<<listMatchingPath<<"'" << std::endl;
        return listMatchingPath;
}
 
 
std::string path_completion_dirOnly(const std::string & basePath){
        if(basePath == ""){return "./";}
        std::string listMatchingPath("");
        if(isDirectoryExist(basePath)){
                DIR * dp = opendir(basePath.c_str());
                
                dirent * dptr = readdir(dp);
                while(NULL != dptr){
                        if(dptr->d_type == DT_DIR){     //We search for directory only
                                std::string pathName(dptr->d_name);
                                if(pathName != "." && pathName != ".."){
                                        listMatchingPath += basePath + "/" + pathName + "\n";
                                }
                        }
                        dptr = readdir(dp);
                }
        }else{
                std::string baseDir(getDirectory(basePath)), startNewPath(getFileName(basePath));
                DIR * dp = opendir(baseDir.c_str());
                
                dirent * dptr = readdir(dp);
                while(NULL != dptr){
                        if(dptr->d_type == DT_DIR){     //We search for directory only
                                std::string pathName(dptr->d_name);
                                if(pathName != "." && pathName != ".."){
                                        if(isSameBegining(pathName, startNewPath)){
                                                listMatchingPath += baseDir + "/" + pathName + "\n";
                                        }
                                }
                        }
                        dptr = readdir(dp);
                }
                
                closedir(dp);
        }
        return listMatchingPath;
}