125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
/* $Id: complete.c,v 1.1 2008-03-27 00:41:33 vsc Exp $
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Part of SWI-Prolog
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Author: Jan Wielemaker
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E-mail: jan@swi.psy.uva.nl
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WWW: http://www.swi-prolog.org
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Copyright (C): 1985-2002, University of Amsterdam
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <windows.h>
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#include <tchar.h>
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#include "console.h"
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#ifndef __TCHAR_DEFINED
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typedef wint_t _TINT;
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#endif
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#ifndef EOS
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#define EOS 0
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#endif
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static TCHAR *completion_chars = TEXT("~:\\/-.");
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static size_t
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complete_scan_backwards(Line ln, size_t from)
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{ while( from > 0 )
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{ _TINT c = ln->data[from-1];
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if ( rlc_is_word_char(c) ||
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_tcschr(completion_chars, c) )
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from--;
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else
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break;
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}
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return from;
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}
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static __inline int
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close_quote(int c)
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{ return (c == '\'' || c == '"') ? c : 0;
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}
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int
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rlc_complete_file_function(RlcCompleteData data)
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{ Line ln = data->line;
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WIN32_FIND_DATA fdata;
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switch(data->call_type)
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{ case COMPLETE_INIT:
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{ size_t start = complete_scan_backwards(ln, ln->point);
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TCHAR *pattern = data->buf_handle;
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TCHAR *s = pattern;
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size_t n = start;
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size_t ld = start;
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HANDLE h;
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if ( ln->point - start > 200 )
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return FALSE;
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for( ; n < ln->point; n++)
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{ int c = ln->data[n];
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if ( c == '/' )
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c = '\\';
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if ( c == '\\' )
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ld = n + 1;
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*s++ = c;
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}
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*s++ = '*';
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*s = EOS;
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if ( (h=FindFirstFile(pattern, &fdata)) != INVALID_HANDLE_VALUE )
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{ data->replace_from = (int)ld;
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if ( start > 0 &&
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!(fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) )
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data->quote = close_quote(ln->data[start-1]);
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_tcscpy(data->candidate, fdata.cFileName);
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data->ptr_handle = h;
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data->case_insensitive = TRUE;
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data->function = rlc_complete_file_function;
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return TRUE;
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}
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return FALSE;
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}
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case COMPLETE_ENUMERATE:
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{ if ( FindNextFile(data->ptr_handle, &fdata) )
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{ _tcscpy(data->candidate, fdata.cFileName);
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return TRUE;
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}
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return FALSE;
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}
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case COMPLETE_CLOSE:
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{ FindClose(data->ptr_handle);
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return FALSE;
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}
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default:
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return FALSE;
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}
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}
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