cinelerra-5.1/cinelerra/channeldb.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "channel.h"
  23 #include "channeldb.h"
  24 #include "file.h"
  25 #include "filesystem.h"
  26 #include "filexml.h"
  27 #include "preferences.inc"
  28
  29
  30 #include <stdio.h>
  31
  32 ChannelDB::ChannelDB()
  33 {
  34 }
  35
  36 ChannelDB::~ChannelDB()
  37 {
  38         channels.remove_all_objects();
  39 }
  40
  41 char* ChannelDB::prefix_to_path(char *path, const char *filename)
  42 {
  43         FileSystem fs;
  44         char directory[BCTEXTLEN];
  45         sprintf(directory, "%s/", File::get_config_path());
  46         fs.complete_path(directory);
  47         fs.join_names(path, directory, filename);
  48         return path;
  49 }
  50
  51 void ChannelDB::load(const char *filename)
  52 {
  53         if( !filename ) return;
  54
  55         FileXML file;
  56         char path[BCTEXTLEN];
  57
  58         prefix_to_path(path, filename);
  59         channels.remove_all_objects();
  60
  61         int done = file.read_from_file(path, 1);
  62
  63         channels.remove_all_objects();
  64 // Load channels
  65         while(!done)
  66         {
  67                 Channel *channel = new Channel;
  68                 if(!(done = channel->load(&file)))
  69                         channels.append(channel);
  70                 else
  71                 {
  72                         delete channel;
  73                 }
  74         }
  75 }
  76
  77 void ChannelDB::save(const char *filename)
  78 {
  79         if( !filename ) return;
  80         char path[BCTEXTLEN];
  81         FileXML file;
  82
  83         prefix_to_path(path, filename);
  84
  85         if(channels.total)
  86         {
  87                 for(int i = 0; i < channels.total; i++)
  88                 {
  89 // Save channel here
  90                         channels.values[i]->save(&file);
  91                 }
  92                 file.terminate_string();
  93                 file.write_to_file(path);
  94         }
  95 }
  96
  97 Channel* ChannelDB::get(int number)
  98 {
  99         if(number >= 0 && number < channels.total)
 100                 return channels.values[number];
 101         else
 102                 return 0;
 103 }
 104
 105 void ChannelDB::copy_from(ChannelDB *src)
 106 {
 107         clear();
 108         for(int i = 0; i < src->size(); i++)
 109         {
 110                 Channel *dst = new Channel;
 111                 channels.append(dst);
 112                 dst->copy_settings(src->get(i));
 113         }
 114 }
 115
 116 int ChannelDB::number_of(Channel *channel)
 117 {
 118         return channels.number_of(channel);
 119 }
 120
 121 int ChannelDB::size()
 122 {
 123         return channels.total;
 124 }
 125
 126 void ChannelDB::clear()
 127 {
 128         channels.remove_all_objects();
 129 }
 130
 131 void ChannelDB::append(Channel *channel)
 132 {
 133         channels.append(channel);
 134 }
 135
 136 void ChannelDB::remove_number(int number)
 137 {
 138         channels.remove_number(number);
 139 }
 140
 141 void ChannelDB::set(int number, Channel *ptr)
 142 {
 143         channels.values[number] = ptr;
 144 }