/// <summary>
/// Return an array of string pointers to the individual fields.
/// A zero is returned upon encountering end of sequence or error.
/// This can be analyzed in using mapi\_error().
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static string[] MapiFetchFieldArray(MapiHdl hdl)
{
var pptr = CMapiLib.mapi_fetch_field_array(hdl.Ptr);
var ptr = Marshal.ReadIntPtr(pptr);
var exploded = new List <string>();
do
{
exploded.Add(Marshal.PtrToStringAnsi(ptr));
pptr = new IntPtr((int)pptr + IntPtr.Size);
ptr = Marshal.ReadIntPtr(pptr);
} while (ptr != IntPtr.Zero);
return(exploded.ToArray());
}
/// <summary>
/// Return a list of accessible tables fields. This can also be obtained by
/// inspecting the field descriptor returned by mapi_fetch_field().
/// </summary>
/// <param name="mid"></param>
/// <returns></returns>
public static string[] MapiFields(MapiConnection mid)
{
var pptr = CMapiLib.mapi_fields(mid.Ptr);
var ptr = Marshal.ReadIntPtr(pptr);
var exploded = new List <string>();
do
{
exploded.Add(Marshal.PtrToStringAnsi(ptr));
pptr = new IntPtr((int)pptr + IntPtr.Size);
ptr = Marshal.ReadIntPtr(pptr);
} while (ptr != IntPtr.Zero);
return(exploded.ToArray());
}
/// <summary>
/// All rows are cached at the client side first. Subsequent calls to mapi_fetch_row() will take
/// the row from the cache. The number or rows cached is returned.
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static long MapiFetchAllRows(MapiHdl hdl)
{
return(CMapiLib.mapi_fetch_all_rows(hdl.Ptr));
}
/// <summary>
///
/// </summary>
/// <param name="mid"></param>
/// <returns></returns>
public static string MapiGetMotd(MapiConnection mid)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_get_motd(mid.Ptr)));
}
/// <summary>
///
/// </summary>
/// <param name="mid"></param>
/// <param name="fnr"></param>
/// <returns></returns>
public static int MapiGetlen(MapiConnection mid, int fnr)
{
return(CMapiLib.mapi_get_len(mid.Ptr, fnr));
}
/// <summary>
/// Log the interaction between the client and server for offline inspection.
/// Beware that the log file overwrites any previous log. It is not intended for recovery.
/// </summary>
/// <param name="mid"></param>
/// <param name="filename"></param>
/// <returns></returns>
public static MapiMsg MapiTraceLog(MapiConnection mid, string filename)
{
return(new MapiMsg(CMapiLib.mapi_trace_log(mid.Ptr, filename)));
}
/// <summary>
/// Set the trace flag to monitor interaction with the server.
/// </summary>
/// <param name="mid"></param>
/// <param name="flag"></param>
/// <returns></returns>
public static MapiMsg MapiTrace(MapiConnection mid, int flag)
{
return(new MapiMsg(CMapiLib.mapi_trace(mid.Ptr, flag)));
}
/// <summary>
/// Escape special characters such as \n, \t in str with backslashes.
/// The returned value is a newly allocated string which should be freed by the caller.
/// </summary>
/// <param name="str"></param>
/// <param name="size"></param>
/// <returns></returns>
public static string MapiQuote(string str, int size)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_quote(str, size)));
}
/// <summary>
/// Make room in the cache by shuffling percentage tuples out of the cache.
/// It is sometimes handy to do so, for example, when your application is stream-based
/// and you process each tuple as it arrives and still need a limited look-back.
/// This percentage can be set between 0 to 100. Making shuffle= 100% (default)
/// leads to paging behavior, while shuffle==1 leads to a sliding window over a
/// tuple stream with 1% refreshing.
/// </summary>
/// <param name="hdl"></param>
/// <param name="percentage"></param>
/// <returns></returns>
public static MapiMsg MapiCacheShuffle(MapiHdl hdl, int percentage)
{
return(new MapiMsg(CMapiLib.mapi_cache_shuffle(hdl.Ptr, percentage)));
}
/// <summary>
/// Return the last error code or 0 if there is no error.
/// </summary>
/// <param name="mid"></param>
/// <returns></returns>
public static MapiMsg MapiError(MapiConnection mid)
{
return(new MapiMsg(CMapiLib.mapi_error(mid.Ptr)));
}
/// <summary>
/// Go to the next result set, discarding the rest of the output of the current result set.
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static MapiMsg MapiNextResult(MapiHdl hdl)
{
return(new MapiMsg(CMapiLib.mapi_next_result(hdl.Ptr)));
}
/// <summary>
/// Return a pointer a C-string representation of the value returned.
/// A zero is returned upon encountering an error or when the database value is NULL;
/// this can be analyzed in using mapi\_error().
/// </summary>
/// <param name="hdl"></param>
/// <param name="fnr"></param>
/// <returns></returns>
public static string MapiFetchField(MapiHdl hdl, int fnr)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_fetch_field(hdl.Ptr, fnr)));
}
/// <summary>
/// Reset the row pointer to the first line in the cache. This need not be a tuple.
/// This is mostly used in combination with fetching all tuples at once.
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static MapiMsg MapiFetchReset(MapiHdl hdl)
{
return(new MapiMsg(CMapiLib.mapi_fetch_reset(hdl.Ptr)));
}
/// <summary>
/// Reset the row pointer to the requested row number. If whence is MAPI_SEEK_SET (0),
/// rownr is the absolute row number (0 being the first row); if whence is
/// MAPI_SEEK_CUR (1), rownr is relative to the current row; if whence is
/// MAPI\_SEEK\_END (2), rownr is relative to the last row.
/// </summary>
/// <param name="hdl"></param>
/// <param name="rownr"></param>
/// <param name="whence"></param>
/// <returns></returns>
public static MapiMsg MapiSeekRow(MapiHdl hdl, long rownr, int whence)
{
return(new MapiMsg(CMapiLib.mapi_seek_row(hdl.Ptr, rownr, whence)));
}
/// <summary>
/// Read the answer to a query and pass the results verbatim to a stream.
/// The result is not analyzed or cached.
/// </summary>
/// <param name="hdl"></param>
/// <param name="fs"></param>
/// <returns></returns>
public static int MapiQuickResponse(MapiHdl hdl, FileStream fs)
{
return(CMapiLib.mapi_quick_response(hdl.Ptr, fs.SafeFileHandle));
}
/// <summary>
/// Set the autocommit flag (default is on).
/// This only has an effect when the language is SQL.
/// In that case, the server commits after each statement sent to the server.
/// </summary>
/// <param name="mid"></param>
/// <param name="autocommit"></param>
/// <returns></returns>
public static MapiMsg MapiSetAutocommit(MapiConnection mid, int autocommit)
{
return(new MapiMsg(CMapiLib.mapi_setAutocommit(mid.Ptr, autocommit)));
}
/// <summary>
/// A limited number of tuples are pre-fetched after each execute().
/// If maxrows is negative, all rows will be fetched before the application is
/// permitted to continue. Once the cache is filled, a number of tuples are shuffled to
/// make room for new ones, but taking into account non-read elements.
/// Filling the cache quicker than reading leads to an error.
/// </summary>
/// <param name="mid"></param>
/// <param name="maxrows"></param>
/// <returns></returns>
public static MapiMsg MapiCacheLimit(MapiConnection mid, int maxrows)
{
return(new MapiMsg(CMapiLib.mapi_cache_limit(mid.Ptr, maxrows)));
}
/// <summary>
/// Return a pointer to the last error message.
/// </summary>
/// <param name="mid"></param>
/// <returns></returns>
public static string MapiErrorString(MapiConnection mid)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_error_str(mid.Ptr)));
}
/// <summary>
/// Forcefully shuffle the cache making room for new rows. It ignores the read counter, so rows may be lost.
/// </summary>
/// <param name="hdl"></param>
/// <param name="percentage"></param>
/// <returns></returns>
public static MapiMsg MapiCacheFreeup(MapiHdl hdl, int percentage)
{
return(new MapiMsg(CMapiLib.mapi_cache_freeup(hdl.Ptr, percentage)));
}
/// <summary>
/// Return a pointer to the last error message from the server.
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static string MapiResultError(MapiHdl hdl)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_result_error(hdl.Ptr)));
}
/// <summary>
/// The reverse action of mapi_quote(), turning the database representation into a C-representation.
/// The storage space is dynamically created and should be freed after use.
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string MapiUnquote(string str)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_unquote(str)));
}
/// <summary>
/// Write the error message obtained from mserver to a file.
/// </summary>
/// <param name="mid"></param>
/// <param name="fs"></param>
/// <returns></returns>
public static MapiMsg MapiExplain(MapiConnection mid, FileStream fs)
{
return(new MapiMsg(CMapiLib.mapi_explain(mid.Ptr, fs.SafeFileHandle)));
}
/// <summary>
/// Return the current value of the trace flag.
/// </summary>
/// <param name="mid"></param>
/// <returns></returns>
public static int MapiGetTrace(MapiConnection mid)
{
return(CMapiLib.mapi_get_trace(mid.Ptr));
}
/// <summary>
/// Write the error message obtained from mserver to a file.
/// </summary>
/// <param name="hdl"></param>
/// <param name="fs"></param>
/// <returns></returns>
public static MapiMsg MapiExplainResult(MapiHdl hdl, FileStream fs)
{
return(new MapiMsg(CMapiLib.mapi_explain_result(hdl.Ptr, fs.SafeFileHandle)));
}
/// <summary>
///
/// </summary>
/// <param name="hdl"></param>
/// <param name="fnr"></param>
/// <returns></returns>
public static string MapiGetTable(MapiHdl hdl, int fnr)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_get_table(hdl.Ptr, fnr)));
}
/// <summary>
/// Bind a string variable with a field in the return table.
/// Upon a successful subsequent mapi_fetch_row() the indicated field
/// is stored in the space pointed to by val. Returns an error if
/// the field identified does not exist.
/// </summary>
/// <param name="hdl"></param>
/// <param name="fldnr"></param>
/// <param name="val"></param>
/// <returns></returns>
public static MapiMsg MapiBind(MapiHdl hdl, int fldnr, string[] val)
{
return(new MapiMsg(CMapiLib.mapi_bind(hdl.Ptr, fldnr, val)));
}
/// <summary>
///
/// </summary>
/// <param name="mid"></param>
/// <returns></returns>
public static string MapiGetDbName(MapiConnection mid)
{
return(Marshal.PtrToStringAnsi(CMapiLib.mapi_get_dbname(mid.Ptr)));
}
/// <summary>
/// Clear all field bindings.
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static MapiMsg MapiClearBindings(MapiHdl hdl)
{
return(new MapiMsg(CMapiLib.mapi_clear_bindings(hdl.Ptr)));
}
/// <summary>
///
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static MapiMsg MapiClearParams(MapiHdl hdl)
{
return(new MapiMsg(CMapiLib.mapi_clear_params(hdl.Ptr)));
}
/// <summary>
/// Retrieve a row from the server. The text retrieved is kept around in a buffer linked with the
/// query handle from which selective fields can be extracted. It returns the number of fields
/// recognized. A zero is returned upon encountering end of sequence or error. This can be
/// analyzed in using mapi_error().
/// </summary>
/// <param name="hdl"></param>
/// <returns></returns>
public static int MapiFetchRow(MapiHdl hdl)
{
return(CMapiLib.mapi_fetch_row(hdl.Ptr));
}
