function PclTarHandleExtractByIndex($p_tar, &$p_index_current, $p_index_start, $p_index_stop, &$p_list_detail, $p_path, $p_remove_path, $p_tar_mode)
{
TrFctStart(__FILE__, __LINE__, "PclTarHandleExtractByIndex", "archive_descr='{$p_tar}', index_current={$p_index_current}, index_start='{$p_index_start}', index_stop='{$p_index_stop}', list, path={$p_path}, remove_path='{$p_remove_path}', tar_mode={$p_tar_mode}");
$v_result = 1;
$v_nb = 0;
// TBC : I should replace all $v_tar by $p_tar in this function ....
$v_tar = $p_tar;
// ----- Look the number of elements already in $p_list_detail
$v_nb = sizeof($p_list_detail);
// ----- Read the blocks
while (!($v_end_of_file = $p_tar_mode == "tar" ? feof($v_tar) : gzeof($v_tar))) {
TrFctMessage(__FILE__, __LINE__, 3, "Looking for next file ...");
TrFctMessage(__FILE__, __LINE__, 3, "Index current={$p_index_current}, range=[{$p_index_start}, {$p_index_stop}])");
if ($p_index_current > $p_index_stop) {
TrFctMessage(__FILE__, __LINE__, 2, "Stop extraction, past stop index");
break;
}
// ----- Clear cache of file infos
clearstatcache();
// ----- Reset extract tag
$v_extract_file = FALSE;
$v_extraction_stopped = 0;
// ----- Read the 512 bytes header
if ($p_tar_mode == "tar") {
$v_binary_data = fread($v_tar, 512);
} else {
$v_binary_data = gzread($v_tar, 512);
}
// ----- Read the header properties
if (($v_result = PclTarHandleReadHeader($v_binary_data, $v_header)) != 1) {
// ----- Return
TrFctEnd(__FILE__, __LINE__, $v_result);
return $v_result;
}
// ----- Look for empty blocks to skip
if ($v_header[filename] == "") {
TrFctMessage(__FILE__, __LINE__, 2, "Empty block found. End of archive ?");
continue;
}
TrFctMessage(__FILE__, __LINE__, 2, "Found file '{$v_header['filename']}', size '{$v_header['size']}'");
// ----- Look if file is in the range to be extracted
if ($p_index_current >= $p_index_start && $p_index_current <= $p_index_stop) {
TrFctMessage(__FILE__, __LINE__, 2, "File '{$v_header['filename']}' is in the range to be extracted");
$v_extract_file = TRUE;
} else {
TrFctMessage(__FILE__, __LINE__, 2, "File '{$v_header['filename']}' is out of the range");
$v_extract_file = FALSE;
}
// ----- Look if this file need to be extracted
if ($v_extract_file) {
if (($v_result = PclTarHandleExtractFile($v_tar, $v_header, $p_path, $p_remove_path, $p_tar_mode)) != 1) {
// ----- Return
TrFctEnd(__FILE__, __LINE__, $v_result);
return $v_result;
}
} else {
// ----- Trace
TrFctMessage(__FILE__, __LINE__, 2, "Jump file '{$v_header['filename']}'");
TrFctMessage(__FILE__, __LINE__, 4, "Position avant jump [" . ($p_tar_mode == "tar" ? ftell($v_tar) : gztell($v_tar)) . "]");
// ----- Jump to next file
if ($p_tar_mode == "tar") {
fseek($v_tar, ($p_tar_mode == "tar" ? ftell($v_tar) : gztell($v_tar)) + ceil($v_header[size] / 512) * 512);
} else {
gzseek($v_tar, gztell($v_tar) + ceil($v_header[size] / 512) * 512);
}
TrFctMessage(__FILE__, __LINE__, 4, "Position après jump [" . ($p_tar_mode == "tar" ? ftell($v_tar) : gztell($v_tar)) . "]");
}
if ($p_tar_mode == "tar") {
$v_end_of_file = feof($v_tar);
} else {
$v_end_of_file = gzeof($v_tar);
}
// ----- File name and properties are logged if listing mode or file is extracted
if ($v_extract_file) {
TrFctMessage(__FILE__, __LINE__, 2, "Memorize info about file '{$v_header['filename']}'");
// ----- Log extracted files
if (($v_file_dir = dirname($v_header[filename])) == $v_header[filename]) {
$v_file_dir = "";
}
if (substr($v_header[filename], 0, 1) == "/" && $v_file_dir == "") {
$v_file_dir = "/";
}
// ----- Add the array describing the file into the list
$p_list_detail[$v_nb] = $v_header;
// ----- Increment
$v_nb++;
}
// ----- Increment the current file index
$p_index_current++;
}
// ----- Return
TrFctEnd(__FILE__, __LINE__, $v_result);
return $v_result;
}
function PclTarHandleExtractByIndex($p_tar, &$p_index_current, $p_index_start, $p_index_stop, &$p_list_detail, $p_path, $p_remove_path, $p_tar_mode)
{
TrFctStart(__FILE__, __LINE__, "PclTarHandleExtractByIndex", "archive_descr='{$p_tar}', index_current={$p_index_current}, index_start='{$p_index_start}', index_stop='{$p_index_stop}', list, path={$p_path}, remove_path='{$p_remove_path}', tar_mode={$p_tar_mode}");
$v_result = 1;
$v_nb = 0;
$v_tar = $p_tar;
$v_nb = sizeof($p_list_detail);
while (!($v_end_of_file = $p_tar_mode == "tar" ? feof($v_tar) : gzeof($v_tar))) {
TrFctMessage(__FILE__, __LINE__, 3, "Looking for next file ...");
TrFctMessage(__FILE__, __LINE__, 3, "Index current={$p_index_current}, range=[{$p_index_start}, {$p_index_stop}])");
if ($p_index_current > $p_index_stop) {
TrFctMessage(__FILE__, __LINE__, 2, "Stop extraction, past stop index");
break;
}
clearstatcache();
$v_extract_file = FALSE;
$v_extraction_stopped = 0;
if ($p_tar_mode == "tar") {
$v_binary_data = fread($v_tar, 512);
} else {
$v_binary_data = gzread($v_tar, 512);
}
if (($v_result = PclTarHandleReadHeader($v_binary_data, $v_header)) != 1) {
TrFctEnd(__FILE__, __LINE__, $v_result);
return $v_result;
}
if ($v_header[filename] == "") {
TrFctMessage(__FILE__, __LINE__, 2, "Empty block found. End of archive ?");
continue;
}
TrFctMessage(__FILE__, __LINE__, 2, "Found file '{$v_header['filename']}', size '{$v_header['size']}'");
if ($p_index_current >= $p_index_start && $p_index_current <= $p_index_stop) {
TrFctMessage(__FILE__, __LINE__, 2, "File '{$v_header['filename']}' is in the range to be extracted");
$v_extract_file = TRUE;
} else {
TrFctMessage(__FILE__, __LINE__, 2, "File '{$v_header['filename']}' is out of the range");
$v_extract_file = FALSE;
}
if ($v_extract_file) {
if (($v_result = PclTarHandleExtractFile($v_tar, $v_header, $p_path, $p_remove_path, $p_tar_mode)) != 1) {
TrFctEnd(__FILE__, __LINE__, $v_result);
return $v_result;
}
} else {
TrFctMessage(__FILE__, __LINE__, 2, "Jump file '{$v_header['filename']}'");
TrFctMessage(__FILE__, __LINE__, 4, "Position avant jump [" . ($p_tar_mode == "tar" ? ftell($v_tar) : gztell($v_tar)) . "]");
if ($p_tar_mode == "tar") {
fseek($v_tar, ($p_tar_mode == "tar" ? ftell($v_tar) : gztell($v_tar)) + ceil($v_header[size] / 512) * 512);
} else {
gzseek($v_tar, gztell($v_tar) + ceil($v_header[size] / 512) * 512);
}
TrFctMessage(__FILE__, __LINE__, 4, "Position après jump [" . ($p_tar_mode == "tar" ? ftell($v_tar) : gztell($v_tar)) . "]");
}
if ($p_tar_mode == "tar") {
$v_end_of_file = feof($v_tar);
} else {
$v_end_of_file = gzeof($v_tar);
}
if ($v_extract_file) {
TrFctMessage(__FILE__, __LINE__, 2, "Memorize info about file '{$v_header['filename']}'");
if (($v_file_dir = dirname($v_header[filename])) == $v_header[filename]) {
$v_file_dir = "";
}
if (substr($v_header[filename], 0, 1) == "/" && $v_file_dir == "") {
$v_file_dir = "/";
}
$p_list_detail[$v_nb] = $v_header;
$v_nb++;
}
$p_index_current++;
}
TrFctEnd(__FILE__, __LINE__, $v_result);
return $v_result;
}