void go() override
{
const std::string in_file = get_arg("file");
std::string out_file, suffix;
parse_extension(in_file, out_file, suffix);
std::ifstream in(in_file);
if(!in.good())
throw CLI_IO_Error("reading", in_file);
std::unique_ptr<Botan::Transform> decompress;
#if defined(BOTAN_HAS_COMPRESSION)
decompress.reset(Botan::make_decompressor(suffix));
#endif
if(!decompress)
throw CLI_Error_Unsupported("Decompression", suffix);
std::ofstream out(out_file);
if(!out.good())
throw CLI_IO_Error("writing", out_file);
do_compress(*decompress, in, out, get_arg_sz("buf-size"));
}
void go() override
{
const size_t buf_size = get_arg_sz("buf-size");
const std::string in_file = get_arg("file");
std::string out_file, suffix;
parse_extension(in_file, out_file, suffix);
std::ifstream in(in_file, std::ios::binary);
if(!in.good())
{
throw CLI_IO_Error("reading", in_file);
}
std::unique_ptr<Botan::Decompression_Algorithm> decompress;
decompress.reset(Botan::make_decompressor(suffix));
if(!decompress)
{
throw CLI_Error_Unsupported("Decompression", suffix);
}
std::ofstream out(out_file, std::ios::binary);
if(!out.good())
{
throw CLI_IO_Error("writing", out_file);
}
Botan::secure_vector<uint8_t> buf;
decompress->start();
while(in.good())
{
buf.resize(buf_size);
in.read(reinterpret_cast<char*>(&buf[0]), buf.size());
buf.resize(in.gcount());
decompress->update(buf);
out.write(reinterpret_cast<const char*>(&buf[0]), buf.size());
}
buf.clear();
decompress->finish(buf);
out.write(reinterpret_cast<const char*>(&buf[0]), buf.size());
out.close();
}
static char *
define_destination_uri (EphyDownload *download, const char *suggested_filename)
{
char *dest_dir;
char *dest_name;
char *destination_filename;
char *destination_uri;
dest_dir = ephy_file_get_downloads_dir ();
/* Make sure the download directory exists */
if (g_mkdir_with_parents (dest_dir, 0700) == -1) {
g_critical ("Could not create downloads directory \"%s\": %s",
dest_dir, strerror (errno));
g_free (dest_dir);
return NULL;
}
if (suggested_filename != NULL) {
dest_name = g_strdup (suggested_filename);
} else {
dest_name = ephy_file_tmp_filename ("ephy-download-XXXXXX", NULL);
}
destination_filename = g_build_filename (dest_dir, dest_name, NULL);
g_free (dest_dir);
g_free (dest_name);
/* Append (n) as needed. */
if (g_file_test (destination_filename, G_FILE_TEST_EXISTS)) {
int i = 1;
const char *dot_pos;
gssize position;
char *serial = NULL;
GString *tmp_filename;
dot_pos = parse_extension (destination_filename);
if (dot_pos)
position = dot_pos - destination_filename;
else
position = strlen (destination_filename);
tmp_filename = g_string_new (NULL);
do {
serial = g_strdup_printf ("(%d)", i++);
g_string_assign (tmp_filename, destination_filename);
g_string_insert (tmp_filename, position, serial);
g_free (serial);
} while (g_file_test (tmp_filename->str, G_FILE_TEST_EXISTS));
destination_filename = g_strdup (tmp_filename->str);
g_string_free (tmp_filename, TRUE);
}
destination_uri = g_filename_to_uri (destination_filename, NULL, NULL);
g_free (destination_filename);
g_assert (destination_uri);
return destination_uri;
}
