function parseResultSetFromFileForAppend($fd)
{
$start = getmicrotime();
$rs = new ResultSet();
// COLUMN NAMES
// read with a maximum of 1000 bytes, until there is a newline included (or eof)
$buf = "";
while (is_false(strstr($buf, "\n"))) {
$buf .= fgets($fd, 1000);
if (feof($fd)) {
print_error_msg("Invalid Table File!<br>");
return null;
}
}
// remove newline
remove_last_char($buf);
$rec = $this->parseRowFromLine($buf);
$rs->setColumnNames($rec);
// COLUMN TYPES
// read with a maximum of 1000 bytes, until there is a newline included (or eof)
$buf = "";
while (is_false(strstr($buf, "\n"))) {
$buf .= fgets($fd, 1000);
if (feof($fd)) {
print_error_msg("Invalid Table File!<br>");
return null;
}
}
// remove newline
remove_last_char($buf);
$rec = $this->parseRowFromLine($buf);
$rs->setColumnTypes($rec);
// COLUMN DEFAULT VALUES
// read with a maximum of 1000 bytes, until there is a newline included (or eof)
$buf = "";
while (is_false(strstr($buf, "\n"))) {
$buf .= fgets($fd, 1000);
if (feof($fd)) {
break;
// there's no newline after the colum types => empty table
}
}
// remove newline
if (last_char($buf) == "\n") {
remove_last_char($buf);
}
$rec = $this->parseRowFromLine($buf);
$rs->setColumnDefaultValues($rec);
// get file size
fseek($fd, 0, SEEK_END);
$size = ftell($fd);
$lastRecSize = min($size, ASSUMED_RECORD_SIZE);
$lastRecPos = false;
while (is_false($lastRecPos)) {
fseek($fd, -$lastRecSize, SEEK_END);
$buf = fread($fd, $lastRecSize);
$lastRecSize = $lastRecSize * 2;
$lastRecSize = min($size, $lastRecSize);
if ($lastRecSize < 1) {
print_error_message("lastRecSize should not be 0! Contact developer please!");
}
$lastRecPos = $this->getLastRecordPosInString($buf);
if (TXTDBAPI_VERBOSE_DEBUG) {
echo "<hr>pass! <br>";
echo "lastRecPos: " . $lastRecPos . "<br>";
echo "buf: " . $buf . "<br>";
}
}
$buf = trim(substr($buf, $lastRecPos));
verbose_debug_print("buf after substr() and trim(): " . $buf . "<br>");
$rs->reset();
$row = $this->parseRowFromLine($buf);
if (TXTDBAPI_VERBOSE_DEBUG) {
echo "parseResultSetFromFileForAppend(): last Row:<br>";
print_r($row);
echo "<br>";
}
$rs->appendRow($row);
$rs->setColumnAliases(create_array_fill(count($rs->colNames), ""));
$rs->setColumnTables(create_array_fill(count($rs->colNames), ""));
$rs->setColumnTableAliases(create_array_fill(count($rs->colNames), ""));
$rs->setColumnFunctions(create_array_fill(count($rs->colNames), ""));
$rs->colFuncsExecuted = create_array_fill(count($rs->colNames), false);
debug_print("<i>III: parseResultSetFromFileForAppend: " . (getmicrotime() - $start) . " seconds elapsed</i><br>");
return $rs;
}
$colCount = $_POST['colCount'];
if (isset($_POST['abort'])) {
echo "<br>";
echo "Aborted, klick <a href='" . $_SERVER['PHP_SELF'] . "'> here </a> to continue";
$_SESSION['mode'] = 'choose_table';
unset($_SESSION['table_file']);
echo "<meta http-equiv='refresh' content='0;URL=" . $_SERVER['PHP_SELF'] . "'>";
exit;
}
$rs->setColumnNames(prep_val_save_arr($colName));
$rs->setColumnTypes(prep_val_save_arr($colType));
$rs->setColumnDefaultValues(prep_val_save_arr($colDefVal));
$rs->setColumnAliases(create_array_fill(count($rs->colNames), ""));
$rs->setColumnTables(create_array_fill(count($rs->colNames), ""));
$rs->setColumnTableAliases(create_array_fill(count($rs->colNames), ""));
$rs->setColumnFunctions(create_array_fill(count($rs->colNames), ""));
$rs->colFuncsExecuted = create_array_fill(count($rs->colNames), false);
$rowsSaved = 0;
for ($i = 0; $i < $rowCount; ++$i) {
if (isset($_POST['delete' . $i])) {
echo "Row {$i} deleted!<br>";
} else {
if (isset($_POST['dup' . $i])) {
echo "Row {$i} duplicated!<br>";
$rowsSaved++;
$rs->appendRow(prep_val_save_arr($vals[$i]));
}
$rowsSaved++;
$rs->appendRow(prep_val_save_arr($vals[$i]));
}
}