FileUtil.cc

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#include "FileUtil.hh"
 
// STL
#include <iostream>
#include <stdio.h>
#include <fstream>
 
using std::ifstream;
using std::ios;
 
namespace slic {
 
int FileUtil::removeFile(const char* filename) {
    int ret = remove(filename);
    return ret;
}
 
int FileUtil::removeFile(const std::string& filename) {
    return FileUtil::removeFile(filename.c_str());
}
 
bool FileUtil::fileExists(const char* filename) {
    bool exists = true;
 
    ifstream fin;
    fin.open(filename, ios::in);
 
    // either doesn't exist or can't read
    if (fin.fail()) {
        exists = false;
    }
    fin.close();
    return exists;
}
 
bool FileUtil::fileExists(const std::string& filename) {
    return FileUtil::fileExists(filename.c_str());
}
 
std::string FileUtil::basename(std::string fn) {
    static std::string delim = "/";
 
    std::string filename = fn;
 
    // find Unix/Cygwin delim
    int basename_pos = filename.rfind(delim);
 
    // may be dealing with a Windows-style path
#if defined(__WIN32__) || defined(__CYGWIN__) || defined(__CYGWIN32__)
    if ( basename_pos == -1 ) {
        basename_pos = filename.rfind("\\");
    }
#endif
 
    // found a dir delimiter so erase up to it
    if (basename_pos != -1) {
        filename.erase(filename.begin(), filename.begin() + basename_pos + 1);
    }
 
    return filename;
}
 
std::string FileUtil::extension(std::string fn) {
    std::string::size_type idx = fn.find_last_of(".");
 
    std::string ext;
    if (idx != std::string::npos) {
        ext = fn.substr(idx + 1, fn.size() - idx);
    } else {
        ext = "";
    }
 
    return ext;
}
 
std::string FileUtil::removeExtension(std::string fn) {
    std::string::size_type idx = fn.find_last_of(".");
 
    std::string fname;
    if (idx != std::string::npos) {
        fname = fn.substr(0, idx);
    } else {
        fname = fn;
    }
    return fname;
}
}