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/*
* Copyright (C) 2007-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2015 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2014 John Emmas <john@creativepost.co.uk>
* Copyright (C) 2014-2015 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string>
#include <glib.h>
#include <glibmm/miscutils.h>
#include "pbd/tokenizer.h"
#include "pbd/search_path.h"
#include "pbd/error.h"
using namespace std;
namespace PBD {
Searchpath::Searchpath ()
{
}
Searchpath::Searchpath (const string& path)
{
vector<std::string> tmp;
if (tokenize (path, string(G_SEARCHPATH_SEPARATOR_S), std::back_inserter (tmp))) {
add_directories (tmp);
}
}
Searchpath::Searchpath (const vector<std::string>& paths)
{
add_directories (paths);
}
void
Searchpath::remove_directory (const std::string& directory_path)
{
if (directory_path.empty()) {
return;
}
for (vector<std::string>::iterator i = begin(); i != end();) {
if (*i == directory_path) {
i = erase (i);
} else {
++i;
}
}
}
void
Searchpath::remove_directories (const vector<std::string>& paths)
{
for(vector<std::string>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
remove_directory (*i);
}
}
void
Searchpath::add_directory (const std::string& directory_path)
{
if (directory_path.empty()) {
return;
}
for (vector<std::string>::const_iterator i = begin(); i != end(); ++i) {
if (*i == directory_path) {
return;
}
}
push_back(directory_path);
}
void
Searchpath::add_directories (const vector<std::string>& paths)
{
for(vector<std::string>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
add_directory (*i);
}
}
const string
Searchpath::to_string () const
{
string path;
for (vector<std::string>::const_iterator i = begin(); i != end(); ++i) {
path += *i;
path += G_SEARCHPATH_SEPARATOR;
}
path = path.substr (0, path.length() - 1); // drop final separator
return path;
}
Searchpath&
Searchpath::operator+= (const Searchpath& spath)
{
insert(end(), spath.begin(), spath.end());
return *this;
}
Searchpath&
Searchpath::operator+= (const std::string& directory_path)
{
add_directory (directory_path);
return *this;
}
const Searchpath
Searchpath::operator+ (const std::string& directory_path)
{
return Searchpath (*this) += directory_path;
}
const Searchpath
Searchpath::operator+ (const Searchpath& spath)
{
return Searchpath (*this) += spath;
}
Searchpath&
Searchpath::operator-= (const Searchpath& spath)
{
remove_directories (spath);
return *this;
}
Searchpath&
Searchpath::operator-= (const std::string& directory_path)
{
remove_directory (directory_path);
return *this;
}
Searchpath&
Searchpath::add_subdirectory_to_paths (const string& subdir)
{
for (vector<std::string>::iterator i = begin(); i != end(); ++i) {
// should these new paths just be added to the end of
// the search path rather than replace?
*i = Glib::build_filename (*i, subdir);
}
return *this;
}
bool
Searchpath::contains (const string& path) const
{
std::vector<std::string>::const_iterator i = find(begin(), end(), path);
if (i == end()) {
return false;
}
return true;
}
/* This is not part of the Searchpath object, but is closely related to the
* whole idea, and we put it here for convenience.
*/
void
export_search_path (const string& base_dir, const char* varname, const char* dir)
{
string path;
const char * cstr = g_getenv (varname);
if (cstr) {
path = cstr;
path += G_SEARCHPATH_SEPARATOR;
} else {
path = "";
}
path += base_dir;
path += dir;
g_setenv (varname, path.c_str(), 1);
}
} // namespace PBD
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