/* TODO:
* - Add sort order.
* - Add simple view.
* - Add some documentation.
*/
/* LIMITATIONS:
* - Works only with mSQL.
*/
function escapeforhtml ($string)
{
$result = $string;
//$result = ereg_replace ("\"", """, $result);
$result = ereg_replace ("<", "<", $result);
$result = ereg_replace (">", ">", $result);
return $result;
}
function displayTuple ($fieldsNumber, $fieldNames,
$fieldLengths, $values, $mode)
{
$result = "";
$result .= "";
return $result;
}
function fieldFromType ($text, $type)
{
if ($type == "int" || $type == "uint" || $type =="real")
{ $result = $text; }
else
{ $result = "`" . AddSlashes ($text) . "`"; }
return $result;
}
function executeMsql ($database, $command)
{
/*echo "" . $command . "
";*/
msql ($database, $command);
}
function handleRemove ($database, $table, $fieldsNumber,
$fieldNames, $fieldLengths, $fieldTypes)
{
global $remove;
if ($remove != "")
{
$command = "DELETE FROM " . $table . " WHERE ";
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$fieldName = "old-" . $fieldNames [$fieldIndex];
global $$fieldName;
$command .= $fieldNames [$fieldIndex] . "=" .
fieldFromType ($$fieldName, $fieldTypes [$fieldIndex]);
if ($fieldIndex != $fieldsNumber - 1)
{ $command .= " AND "; }
$fieldIndex++;
}
executeMsql ($database, $command);
}
}
function handleUpdate ($database, $table, $fieldsNumber,
$fieldNames, $fieldLengths, $fieldTypes)
{
global $update;
if ($update != "")
{
$command = "UPDATE " . $table . " SET ";
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$fieldName = $fieldNames [$fieldIndex];
global $$fieldName;
$command .= $fieldName . "=" .
fieldFromType ($$fieldName, $fieldTypes [$fieldIndex]);
if ($fieldIndex != $fieldsNumber - 1)
{ $command .= ", "; }
$fieldIndex++;
}
$command .= " WHERE ";
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$fieldName = "old-" . $fieldNames [$fieldIndex];
global $$fieldName;
$command .= $fieldNames [$fieldIndex] . "=" .
fieldFromType ($$fieldName, $fieldTypes [$fieldIndex]);
if ($fieldIndex != $fieldsNumber - 1)
{ $command .= " AND "; }
$fieldIndex++;
}
executeMsql ($database, $command);
}
}
function handleAdd ($database, $table, $fieldsNumber,
$fieldNames, $fieldLengths, $fieldTypes)
{
global $add;
if ($add != "")
{
$command = "INSERT INTO " . $table . " (";
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$command .= $fieldNames [$fieldIndex];
if ($fieldIndex != $fieldsNumber - 1)
{ $command .= ", "; }
$fieldIndex++;
}
$command .= ") VALUES (";
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$fieldName = $fieldNames [$fieldIndex];
global $$fieldName;
$command .= fieldFromType ($$fieldName, $fieldTypes [$fieldIndex]);
if ($fieldIndex != $fieldsNumber - 1)
{ $command .= ", "; }
$fieldIndex++;
}
$command .= ")";
executeMsql ($database, $command);
}
}
function displayRemoveUpdate ($database, $table, $sortColumn,
$fieldsNumber, $fieldNames, $fieldLengths)
{
$result = "";
if ($sortColumn != "")
{ $sortColumn = " ORDER BY " . $sortColumn; }
$msqlresult = msql ($database, "SELECT * FROM " . $table . $sortColumn);
$tuplesNumber = msql_numrows ($msqlresult);
$tupleIndex = 0;
while ($tupleIndex < $tuplesNumber)
{
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$values [$fieldIndex] = msql_result ($msqlresult, $tupleIndex,
$fieldNames [$fieldIndex]);
$fieldIndex++;
}
$result .= displayTuple ($fieldsNumber, $fieldNames,
$fieldLengths, $values, "modify");
$tupleIndex++;
}
return $result;
}
function displayAdd ($fieldsNumber, $fieldNames, $fieldLengths)
{
$result = "";
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$values [$fieldIndex] = "";
$fieldIndex++;
}
$result .= displayTuple ($fieldsNumber, $fieldNames,
$fieldLengths, $values, "add");
msql_close ();
return $result;
}
function administrationTable ($database, $table, $sortColumn)
{
$result = "";
msql_connect ("localhost");
$msqlresult = msql ($database, "SELECT * FROM " . $table);
$fieldsNumber = msql_numfields ($msqlresult);
$msqlresult = msql_listfields ($database, $table);
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$fieldNames [$fieldIndex] = msql_fieldname ($msqlresult, $fieldIndex);
$fieldLengths [$fieldIndex] = msql_fieldlen ($msqlresult, $fieldIndex);
$fieldTypes [$fieldIndex] = msql_fieldtype ($msqlresult, $fieldIndex);
$fieldIndex++;
}
handleRemove ($database, $table, $fieldsNumber, $fieldNames, $fieldLengths,
$fieldTypes);
handleUpdate ($database, $table, $fieldsNumber, $fieldNames, $fieldLengths,
$fieldTypes);
handleAdd ($database, $table, $fieldsNumber, $fieldNames, $fieldLengths,
$fieldTypes);
$result .= displayRemoveUpdate ($database, $table, $sortColumn,
$fieldsNumber, $fieldNames, $fieldLengths);
$result .= displayAdd ($fieldsNumber, $fieldNames, $fieldLengths);
return $result;
}
function addTable ($database, $table)
{
$result = "";
msql_connect ("localhost");
$msqlresult = msql ($database, "SELECT * FROM " . $table);
$fieldsNumber = msql_numfields ($msqlresult);
$msqlresult = msql_listfields ($database, $table);
$fieldIndex = 0;
while ($fieldIndex < $fieldsNumber)
{
$fieldNames [$fieldIndex] = msql_fieldname ($msqlresult, $fieldIndex);
$fieldLengths [$fieldIndex] = msql_fieldlen ($msqlresult, $fieldIndex);
$fieldTypes [$fieldIndex] = msql_fieldtype ($msqlresult, $fieldIndex);
$fieldIndex++;
}
handleAdd ($database, $table, $fieldsNumber, $fieldNames, $fieldLengths,
$fieldTypes);
$result .= displayAdd ($fieldsNumber, $fieldNames, $fieldLengths);
return $result;
}
?>