cinelerra/channeldb.C

   1 #include "channel.h"
   2 #include "channeldb.h"
   3 #include "filesystem.h"
   4 #include "filexml.h"
   5 #include "preferences.inc"
   6
   7
   8 #include <stdio.h>
   9
  10 ChannelDB::ChannelDB()
  11 {
  12 }
  13
  14 ChannelDB::~ChannelDB()
  15 {
  16         channels.remove_all_objects();
  17 }
  18
  19 char* ChannelDB::prefix_to_path(char *path, char *prefix)
  20 {
  21         FileSystem fs;
  22         char directory[BCTEXTLEN];
  23         sprintf(directory, BCASTDIR);
  24         fs.complete_path(directory);
  25         fs.join_names(path, directory, prefix);
  26         return path;
  27 }
  28
  29 void ChannelDB::load(char *prefix)
  30 {
  31         FileXML file;
  32         char path[BCTEXTLEN];
  33
  34         prefix_to_path(path, prefix);
  35         channels.remove_all_objects();
  36
  37         int done = file.read_from_file(path, 1);
  38
  39         channels.remove_all_objects();
  40 // Load channels
  41         while(!done)
  42         {
  43                 Channel *channel = new Channel;
  44                 if(!(done = channel->load(&file)))
  45                         channels.append(channel);
  46                 else
  47                 {
  48                         delete channel;
  49                 }
  50         }
  51 }
  52
  53 void ChannelDB::save(char *prefix)
  54 {
  55         char path[BCTEXTLEN];
  56         FileXML file;
  57
  58         prefix_to_path(path, prefix);
  59
  60         if(channels.total)
  61         {
  62                 for(int i = 0; i < channels.total; i++)
  63                 {
  64 // Save channel here
  65                         channels.values[i]->save(&file);
  66                 }
  67                 file.terminate_string();
  68                 file.write_to_file(path);
  69         }
  70 }
  71
  72 Channel* ChannelDB::get(int number)
  73 {
  74         if(number >= 0 && number < channels.total)
  75                 return channels.values[number];
  76         else
  77                 return 0;
  78 }
  79
  80 void ChannelDB::copy_from(ChannelDB *src)
  81 {
  82         clear();
  83         for(int i = 0; i < src->size(); i++)
  84         {
  85                 Channel *dst = new Channel;
  86                 channels.append(dst);
  87                 dst->copy_settings(src->get(i));
  88         }
  89 }
  90
  91 int ChannelDB::size()
  92 {
  93         return channels.total;
  94 }
  95
  96 void ChannelDB::clear()
  97 {
  98         channels.remove_all_objects();
  99 }
 100
 101 void ChannelDB::append(Channel *channel)
 102 {
 103         channels.append(channel);
 104 }
 105
 106 void ChannelDB::remove_number(int number)
 107 {
 108         channels.remove_number(number);
 109 }
 110
 111 void ChannelDB::set(int number, Channel *ptr)
 112 {
 113         channels.values[number] = ptr;
 114 }