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binary_file_write.e
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1999-06-05
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-- This file is part of SmallEiffel The GNU Eiffel Compiler.
-- Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
-- Dominique COLNET and Suzanne COLLIN - colnet@loria.fr
-- http://SmallEiffel.loria.fr
-- SmallEiffel is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version. SmallEiffel is distributed in the hope that it will be useful,but
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details. You should have received a copy of the GNU General
-- Public License along with SmallEiffel; see the file COPYING. If not,
-- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class BINARY_FILE_WRITE
creation make
feature
path: STRING;
feature {NONE}
output_stream: POINTER;
feature
make is
do
end;
feature
connect_to(new_path: STRING) is
require
not is_connected;
not new_path.empty
do
output_stream := bfw_open(new_path.count,new_path.to_external);
if output_stream.is_not_null then
path := new_path;
end;
end;
is_connected: BOOLEAN is
do
Result := path /= Void;
end;
put_byte(byte: CHARACTER) is
require
is_connected
local
bool: BOOLEAN;
do
if bool then
put_byte(byte)
else
c_inline_c("fputc(a1,C->_output_stream);");
end;
end;
disconnect is
require
is_connected
do
fclose(output_stream);
path := Void;
end;
feature {NONE}
fclose(stream_pointer : POINTER) is
external "C_InlineWithoutCurrent"
end;
bfw_open(path_count: INTEGER; path_pointer: POINTER): POINTER is
do
c_inline_c("R=fopen(a2,%"wb%");");
end;
end -- BINARY_FILE_WRITE