216 lines
6.9 KiB
C
216 lines
6.9 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Harbour common FileSys API (accessed from standalone utilities and the RTL)
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*
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* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbapi.h"
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#include "hbapifs.h"
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/* Split given filename into path, name and extension, plus determine drive */
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PHB_FNAME hb_fsFNameSplit( char * pszFileName )
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{
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PHB_FNAME pFileName;
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char * pszPos;
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char * pszAt;
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HB_TRACE(HB_TR_DEBUG, ("hb_fsFNameSplit(%s)", pszFileName));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameSplit: Filename: |%s|\n", pszFileName));
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/* Grab memory, set defaults */
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pFileName = ( PHB_FNAME ) hb_xgrab( sizeof( HB_FNAME ) );
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pszPos = pFileName->szBuffer;
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/* Find the end of the path part, and find out where the
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name+ext starts */
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pszAt = NULL;
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if( pszFileName[ 0 ] != '\0' )
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{
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int iPos = strlen( pszFileName );
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while( --iPos >= 0 )
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{
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if( strchr( OS_PATH_DELIMITER_LIST, pszFileName[ iPos ] ) )
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{
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pszAt = pszFileName + iPos;
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break;
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}
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}
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}
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if( pszAt )
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{
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pFileName->szPath = pszPos;
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strncpy( pszPos, pszFileName, pszAt - pszFileName + 1 );
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pszPos += pszAt - pszFileName + 1;
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*pszPos++ = '\0';
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pszFileName = pszAt + 1;
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}
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else
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pFileName->szPath = NULL;
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/* From this point pszFileName will point to the name+ext part of the path */
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/* Split the filename part to name and extension */
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pszAt = strrchr( pszFileName, '.' );
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if( pszAt && pszAt != pszFileName )
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{
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pFileName->szName = pszPos;
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strncpy( pszPos, pszFileName, pszAt - pszFileName );
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pszPos += pszAt - pszFileName;
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*pszPos++ = '\0';
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pFileName->szExtension = pszPos;
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strcpy( pszPos, pszAt );
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pszPos += strlen( pszAt ) + 1;
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}
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else
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{
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if( pszFileName[ 0 ] != '\0' )
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{
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pFileName->szName = pszPos;
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strcpy( pszPos, pszFileName );
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pszPos += strlen( pszFileName ) + 1;
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}
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else
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pFileName->szName = NULL;
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pFileName->szExtension = NULL;
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}
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/* Duplicate the drive letter from the path for easy access on
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platforms where applicable. Note that the drive info is always
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present also in the path itself. */
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if( pFileName->szPath && ( pszAt = strchr( pFileName->szPath, ':' ) ) != NULL )
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{
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pFileName->szDrive = pszPos;
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strncpy( pszPos, pFileName->szPath, pszAt - pFileName->szPath + 1 );
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pszPos += pszAt - pFileName->szPath + 1;
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*pszPos = '\0';
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}
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else
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pFileName->szDrive = NULL;
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameSplit: szPath: |%s|\n", pFileName->szPath));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameSplit: szName: |%s|\n", pFileName->szName));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameSplit: szExt: |%s|\n", pFileName->szExtension));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameSplit: szDrive: |%s|\n", pFileName->szDrive));
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return pFileName;
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}
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/* NOTE: szFileName buffer must be at least _POSIX_PATH_MAX long */
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/* This function joins path, name and extension into a string with a filename */
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char * hb_fsFNameMerge( char * pszFileName, PHB_FNAME pFileName )
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{
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char * pszName;
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HB_TRACE(HB_TR_DEBUG, ("hb_fsFNameMerge(%p, %p)", pszFileName, pFileName));
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/* Set the result to an empty string */
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pszFileName[ 0 ] = '\0';
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/* Strip preceding path separators from the filename */
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pszName = pFileName->szName;
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if( pszName && pszName[ 0 ] != '\0' && strchr( OS_PATH_DELIMITER_LIST, pszName[ 0 ] ) )
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pszName++;
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/* Add path if specified */
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if( pFileName->szPath )
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strcat( pszFileName, pFileName->szPath );
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/* If we have a path, append a path separator to the path if there
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was none. */
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if( pszFileName[ 0 ] != '\0' && ( pszName || pFileName->szExtension ) )
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{
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int iLen = strlen( pszFileName ) - 1;
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if( strchr( OS_PATH_DELIMITER_LIST, pszFileName[ iLen ] ) == NULL )
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{
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char szPathSep[ 2 ];
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szPathSep[ 0 ] = OS_PATH_DELIMITER;
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szPathSep[ 1 ] = '\0';
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strcat( pszFileName, szPathSep );
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}
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}
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/* Add filename (without extension) if specified */
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if( pszName )
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strcat( pszFileName, pszName );
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/* Add extension if specified */
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if( pFileName->szExtension )
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{
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/* Add a dot if the extension doesn't have it */
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if( pFileName->szExtension[ 0 ] != '\0' &&
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pFileName->szExtension[ 0 ] != '.' )
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strcat( pszFileName, "." );
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strcat( pszFileName, pFileName->szExtension );
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}
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameMerge: szPath: |%s|\n", pFileName->szPath));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameMerge: szName: |%s|\n", pFileName->szName));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameMerge: szExt: |%s|\n", pFileName->szExtension));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameMerge: szDrive: |%s|\n", pFileName->szDrive));
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HB_TRACE(HB_TR_INFO, ("hb_fsFNameMerge: Filename: |%s|\n", pszFileName));
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return pszFileName;
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}
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