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livetrax/libs/ardour/recent_sessions.cc

294 lines
6.2 KiB
C++

/*
Copyright (C) 2004 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstring>
#include <cerrno>
#include <sstream>
#include <algorithm>
#include "pbd/gstdio_compat.h"
#include <glibmm/miscutils.h>
#include "pbd/error.h"
#include "ardour/rc_configuration.h"
#include "ardour/filesystem_paths.h"
#include "ardour/recent_sessions.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
namespace {
const char * const recent_file_name = "recent";
const char * const recent_templates_file_name = "recent_templates";
} // anonymous
int
ARDOUR::read_recent_sessions (RecentSessions& rs)
{
std::string path = Glib::build_filename (user_config_directory(), recent_file_name);
FILE* fin = g_fopen (path.c_str(), "rb");
if (!fin) {
if (errno != ENOENT) {
error << string_compose (_("cannot open recent session file %1 (%2)"), path, strerror (errno)) << endmsg;
return -1;
} else {
return 1;
}
}
// Read the file into a std::string
std::stringstream recent;
while (!feof (fin)) {
char buf[1024];
size_t charsRead = fread (buf, sizeof(char), 1024, fin);
if (ferror (fin)) {
error << string_compose (_("Error reading recent session file %1 (%2)"), path, strerror (errno)) << endmsg;
fclose(fin);
return -1;
}
if (charsRead == 0) {
break;
}
recent.write (buf, charsRead);
}
while (true) {
pair<string,string> newpair;
getline(recent, newpair.first);
if (!recent.good()) {
break;
}
getline(recent, newpair.second);
if (!recent.good()) {
break;
}
rs.push_back (newpair);
}
/* display sorting should be done in the GUI, otherwise the
* natural order will be broken
*/
fclose (fin);
return 0;
}
int
ARDOUR::read_recent_templates (std::deque<std::string>& rt)
{
std::string path = Glib::build_filename (user_config_directory(), recent_templates_file_name);
FILE* fin = g_fopen (path.c_str(), "rb");
if (!fin) {
if (errno != ENOENT) {
error << string_compose (_("Cannot open recent template file %1 (%2)"), path, strerror (errno)) << endmsg;
return -1;
} else {
return 1;
}
}
// Copy the file contents into a std::stringstream
std::stringstream recent;
while (!feof (fin)) {
char buf[1024];
size_t charsRead = fread (buf, sizeof(char), 1024, fin);
if (ferror (fin)) {
error << string_compose (_("Error reading recent session file %1 (%2)"), path, strerror (errno)) << endmsg;
fclose(fin);
return -1;
}
if (charsRead == 0) {
break;
}
recent.write (buf, charsRead);
}
while (true) {
std::string session_template_full_name;
getline(recent, session_template_full_name);
if (!recent.good()) {
break;
}
rt.push_back (session_template_full_name);
}
fclose (fin);
return 0;
}
int
ARDOUR::write_recent_sessions (RecentSessions& rs)
{
FILE* fout = g_fopen (Glib::build_filename (user_config_directory(), recent_file_name).c_str(), "wb");
if (!fout) {
return -1;
}
{
stringstream recent;
for (RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
recent << (*i).first << '\n' << (*i).second << endl;
}
string recentString = recent.str();
size_t writeSize = recentString.length();
fwrite(recentString.c_str(), sizeof(char), writeSize, fout);
if (ferror(fout))
{
error << string_compose (_("Error writing recent sessions file %1 (%2)"), recent_file_name, strerror (errno)) << endmsg;
fclose(fout);
return -1;
}
}
fclose (fout);
return 0;
}
int
ARDOUR::write_recent_templates (std::deque<std::string>& rt)
{
FILE* fout = g_fopen (Glib::build_filename (user_config_directory(), recent_templates_file_name).c_str(), "wb");
if (!fout) {
return -1;
}
stringstream recent;
for (std::deque<std::string>::const_iterator i = rt.begin(); i != rt.end(); ++i) {
recent << (*i) << std::endl;
}
string recentString = recent.str();
size_t writeSize = recentString.length();
fwrite(recentString.c_str(), sizeof(char), writeSize, fout);
if (ferror(fout))
{
error << string_compose (_("Error writing saved template file %1 (%2)"), recent_templates_file_name, strerror (errno)) << endmsg;
fclose(fout);
return -1;
}
fclose (fout);
return 0;
}
int
ARDOUR::store_recent_sessions (string name, string path)
{
RecentSessions rs;
if (ARDOUR::read_recent_sessions (rs) < 0) {
return -1;
}
pair<string,string> newpair;
newpair.first = name;
newpair.second = path;
rs.erase(remove(rs.begin(), rs.end(), newpair), rs.end());
rs.push_front (newpair);
uint32_t max_recent_sessions = Config->get_max_recent_sessions();
if (rs.size() > max_recent_sessions) {
rs.erase(rs.begin()+max_recent_sessions, rs.end());
}
return ARDOUR::write_recent_sessions (rs);
}
int
ARDOUR::store_recent_templates (const std::string& session_template_full_name)
{
std::deque<std::string> rt;
if (ARDOUR::read_recent_templates (rt) < 0) {
return -1;
}
rt.erase(remove (rt.begin(), rt.end(), session_template_full_name), rt.end());
rt.push_front (session_template_full_name);
uint32_t max_recent_templates = Config->get_max_recent_templates ();
if (rt.size() > max_recent_templates) {
rt.erase( rt.begin() + max_recent_templates, rt.end ());
}
return ARDOUR::write_recent_templates (rt);
}
int
ARDOUR::remove_recent_sessions (const string& path)
{
RecentSessions rs;
bool write = false;
if (ARDOUR::read_recent_sessions (rs) < 0) {
return -1;
}
for (RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
if (i->second == path) {
rs.erase (i);
write = true;
break;
}
}
if (write) {
return ARDOUR::write_recent_sessions (rs);
} else {
return 1;
}
}