cinelerra-5.0/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 "filesystem.h"
  25 #include "filexml.h"
  26 #include "preferences.inc"
  27
  28
  29 #include <stdio.h>
  30
  31 ChannelDB::ChannelDB()
  32 {
  33 }
  34
  35 ChannelDB::~ChannelDB()
  36 {
  37         channels.remove_all_objects();
  38 }
  39
  40 char* ChannelDB::prefix_to_path(char *path, const char *filename)
  41 {
  42         FileSystem fs;
  43         char directory[BCTEXTLEN];
  44         sprintf(directory, BCASTDIR);
  45         fs.complete_path(directory);
  46         fs.join_names(path, directory, filename);
  47         return path;
  48 }
  49
  50 void ChannelDB::load(const char *filename)
  51 {
  52         if( !filename ) return;
  53
  54         FileXML file;
  55         char path[BCTEXTLEN];
  56
  57         prefix_to_path(path, filename);
  58         channels.remove_all_objects();
  59
  60         int done = file.read_from_file(path, 1);
  61
  62         channels.remove_all_objects();
  63 // Load channels
  64         while(!done)
  65         {
  66                 Channel *channel = new Channel;
  67                 if(!(done = channel->load(&file)))
  68                         channels.append(channel);
  69                 else
  70                 {
  71                         delete channel;
  72                 }
  73         }
  74 }
  75
  76 void ChannelDB::save(const char *filename)
  77 {
  78         if( !filename ) return;
  79         char path[BCTEXTLEN];
  80         FileXML file;
  81
  82         prefix_to_path(path, filename);
  83
  84         if(channels.total)
  85         {
  86                 for(int i = 0; i < channels.total; i++)
  87                 {
  88 // Save channel here
  89                         channels.values[i]->save(&file);
  90                 }
  91                 file.terminate_string();
  92                 file.write_to_file(path);
  93         }
  94 }
  95
  96 Channel* ChannelDB::get(int number)
  97 {
  98         if(number >= 0 && number < channels.total)
  99                 return channels.values[number];
 100         else
 101                 return 0;
 102 }
 103
 104 void ChannelDB::copy_from(ChannelDB *src)
 105 {
 106         clear();
 107         for(int i = 0; i < src->size(); i++)
 108         {
 109                 Channel *dst = new Channel;
 110                 channels.append(dst);
 111                 dst->copy_settings(src->get(i));
 112         }
 113 }
 114
 115 int ChannelDB::number_of(Channel *channel)
 116 {
 117         return channels.number_of(channel);
 118 }
 119
 120 int ChannelDB::size()
 121 {
 122         return channels.total;
 123 }
 124
 125 void ChannelDB::clear()
 126 {
 127         channels.remove_all_objects();
 128 }
 129
 130 void ChannelDB::append(Channel *channel)
 131 {
 132         channels.append(channel);
 133 }
 134
 135 void ChannelDB::remove_number(int number)
 136 {
 137         channels.remove_number(number);
 138 }
 139
 140 void ChannelDB::set(int number, Channel *ptr)
 141 {
 142         channels.values[number] = ptr;
 143 }