138 lines
4 KiB
C++
138 lines
4 KiB
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "filename.h"
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#include "sysinfo.h"
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namespace embree
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{
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#ifdef __WIN32__
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const char path_sep = '\\';
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#else
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const char path_sep = '/';
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#endif
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/*! create an empty filename */
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FileName::FileName () {}
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/*! create a valid filename from a string */
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FileName::FileName (const char* in) {
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filename = in;
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for (size_t i=0; i<filename.size(); i++)
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if (filename[i] == '\\' || filename[i] == '/')
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filename[i] = path_sep;
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while (!filename.empty() && filename[filename.size()-1] == path_sep)
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filename.resize(filename.size()-1);
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}
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/*! create a valid filename from a string */
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FileName::FileName (const std::string& in) {
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filename = in;
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for (size_t i=0; i<filename.size(); i++)
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if (filename[i] == '\\' || filename[i] == '/')
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filename[i] = path_sep;
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while (!filename.empty() && filename[filename.size()-1] == path_sep)
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filename.resize(filename.size()-1);
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}
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/*! returns path to home folder */
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FileName FileName::homeFolder()
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{
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#ifdef __WIN32__
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const char* home = getenv("UserProfile");
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#else
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const char* home = getenv("HOME");
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#endif
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if (home) return home;
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return "";
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}
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/*! returns path to executable */
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FileName FileName::executableFolder() {
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return FileName(getExecutableFileName()).path();
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}
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/*! returns the path */
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FileName FileName::path() const {
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size_t pos = filename.find_last_of(path_sep);
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if (pos == std::string::npos) return FileName();
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return filename.substr(0,pos);
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}
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/*! returns the basename */
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std::string FileName::base() const {
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size_t pos = filename.find_last_of(path_sep);
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if (pos == std::string::npos) return filename;
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return filename.substr(pos+1);
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}
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/*! returns the extension */
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std::string FileName::ext() const {
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size_t pos = filename.find_last_of('.');
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if (pos == std::string::npos) return "";
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return filename.substr(pos+1);
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}
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/*! returns the extension */
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FileName FileName::dropExt() const {
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size_t pos = filename.find_last_of('.');
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if (pos == std::string::npos) return filename;
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return filename.substr(0,pos);
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}
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/*! returns the basename without extension */
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std::string FileName::name() const {
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size_t start = filename.find_last_of(path_sep);
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if (start == std::string::npos) start = 0; else start++;
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size_t end = filename.find_last_of('.');
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if (end == std::string::npos || end < start) end = filename.size();
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return filename.substr(start, end - start);
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}
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/*! replaces the extension */
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FileName FileName::setExt(const std::string& ext) const {
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size_t start = filename.find_last_of(path_sep);
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if (start == std::string::npos) start = 0; else start++;
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size_t end = filename.find_last_of('.');
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if (end == std::string::npos || end < start) return FileName(filename+ext);
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return FileName(filename.substr(0,end)+ext);
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}
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/*! adds the extension */
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FileName FileName::addExt(const std::string& ext) const {
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return FileName(filename+ext);
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}
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/*! concatenates two filenames to this/other */
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FileName FileName::operator +( const FileName& other ) const {
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if (filename == "") return FileName(other);
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else return FileName(filename + path_sep + other.filename);
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}
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/*! concatenates two filenames to this/other */
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FileName FileName::operator +( const std::string& other ) const {
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return operator+(FileName(other));
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}
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/*! removes the base from a filename (if possible) */
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FileName FileName::operator -( const FileName& base ) const {
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size_t pos = filename.find_first_of(base);
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if (pos == std::string::npos) return *this;
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return FileName(filename.substr(pos+1));
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}
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/*! == operator */
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bool operator== (const FileName& a, const FileName& b) {
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return a.filename == b.filename;
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}
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/*! != operator */
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bool operator!= (const FileName& a, const FileName& b) {
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return a.filename != b.filename;
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}
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/*! output operator */
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std::ostream& operator<<(std::ostream& cout, const FileName& filename) {
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return cout << filename.filename;
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}
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}
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