hvirtual/cinelerra/channeldb.C

Go to the documentation of this file.

#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, char *prefix)
{
        FileSystem fs;
        char directory[BCTEXTLEN];
        sprintf(directory, BCASTDIR);
        fs.complete_path(directory);
        fs.join_names(path, directory, prefix);
        return path;
}

void ChannelDB::load(char *prefix)
{
        FileXML file;
        char path[BCTEXTLEN];

        prefix_to_path(path, prefix);
        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(char *prefix)
{
        char path[BCTEXTLEN];
        FileXML file;

        prefix_to_path(path, prefix);

        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::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;
}

---