Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / channeldb.C

diff --git a/cinelerra-5.1/cinelerra/channeldb.C b/cinelerra-5.1/cinelerra/channeldb.C
new file mode 100644 (file)
index 0000000..b7c99f1
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/channeldb.C
@@ -0,0 +1,143 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#include "channel.h"
+#include "channeldb.h"
+#include "filesystem.h"
+#include "filexml.h"
+#include "preferences.inc"
+
+
+#include <stdio.h>
+
+ChannelDB::ChannelDB()
+{
+}
+
+ChannelDB::~ChannelDB()
+{
+       channels.remove_all_objects();
+}
+
+char* ChannelDB::prefix_to_path(char *path, const char *filename)
+{
+       FileSystem fs;
+       char directory[BCTEXTLEN];
+       sprintf(directory, BCASTDIR);
+       fs.complete_path(directory);
+       fs.join_names(path, directory, filename);
+       return path;
+}
+
+void ChannelDB::load(const char *filename)
+{
+       if( !filename ) return;
+
+       FileXML file;
+       char path[BCTEXTLEN];
+
+       prefix_to_path(path, filename);
+       channels.remove_all_objects();
+
+       int done = file.read_from_file(path, 1);
+
+       channels.remove_all_objects();
+// Load channels
+       while(!done)
+       {
+               Channel *channel = new Channel;
+               if(!(done = channel->load(&file)))
+                       channels.append(channel);
+               else
+               {
+                       delete channel;
+               }
+       }
+}
+
+void ChannelDB::save(const char *filename)
+{
+       if( !filename ) return;
+       char path[BCTEXTLEN];
+       FileXML file;
+
+       prefix_to_path(path, filename);
+
+       if(channels.total)
+       {
+               for(int i = 0; i < channels.total; i++)
+               {
+// Save channel here
+                       channels.values[i]->save(&file);
+               }
+               file.terminate_string();
+               file.write_to_file(path);
+       }
+}
+
+Channel* ChannelDB::get(int number)
+{
+       if(number >= 0 && number < channels.total)
+               return channels.values[number];
+       else
+               return 0;
+}
+
+void ChannelDB::copy_from(ChannelDB *src)
+{
+       clear();
+       for(int i = 0; i < src->size(); i++)
+       {
+               Channel *dst = new Channel;
+               channels.append(dst);
+               dst->copy_settings(src->get(i));
+       }
+}
+
+int ChannelDB::number_of(Channel *channel)
+{
+       return channels.number_of(channel);
+}
+
+int ChannelDB::size()
+{
+       return channels.total;
+}
+
+void ChannelDB::clear()
+{
+       channels.remove_all_objects();
+}
+
+void ChannelDB::append(Channel *channel)
+{
+       channels.append(channel);
+}
+
+void ChannelDB::remove_number(int number)
+{
+       channels.remove_number(number);
+}
+
+void ChannelDB::set(int number, Channel *ptr)
+{
+       channels.values[number] = ptr;
+}