rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 135 insertions, 0 deletions

diff --git a/libs/ardour/recent_sessions.cc b/libs/ardour/recent_sessions.cc
new file mode 100644
index 0000000000..9b8668dd88
--- /dev/null
+++ b/libs/ardour/recent_sessions.cc
@@ -0,0 +1,135 @@
+/*
+    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 <unistd.h>
+#include <fstream>
+#include <algorithm>
+#include <pbd/error.h>
+#include <ardour/configuration.h>
+#include <ardour/filesystem_paths.h>
+#include <ardour/recent_sessions.h>
+#include <ardour/utils.h>
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+using namespace PBD;
+
+namespace {
+
+	const char * const recent_file_name = "recent";
+
+} // anonymous
+
+int
+ARDOUR::read_recent_sessions (RecentSessions& rs)
+{
+	sys::path recent_file_path(user_config_directory());
+
+	recent_file_path /= recent_file_name;
+	
+	const string path = recent_file_path.to_string();
+
+	ifstream recent (path.c_str());
+	
+	if (!recent) {
+		if (errno != ENOENT) {
+			error << string_compose (_("cannot open recent session file %1 (%2)"), path, strerror (errno)) << endmsg;
+			return -1;
+		} else {
+			return 1;
+		}
+	}
+
+	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
+	 */
+
+	return 0;
+}
+
+int
+ARDOUR::write_recent_sessions (RecentSessions& rs)
+{
+	sys::path recent_file_path(user_config_directory());
+
+	recent_file_path /= recent_file_name;
+	
+	const string path = recent_file_path.to_string();
+
+	ofstream recent (path.c_str());
+
+	if (!recent) {
+		return -1;
+	}
+
+	for (RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
+		recent << (*i).first << '\n' << (*i).second << endl;
+	}
+	
+	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);
+
+	if (rs.size() > 10) {
+		rs.erase(rs.begin()+10, rs.end());
+	}
+
+	return ARDOUR::write_recent_sessions (rs);
+}
+