1 !:folding=indent:collapseFolds=1:
5 ! Copyright (C) 2003, 2004 Slava Pestov.
7 ! Redistribution and use in source and binary forms, with or without
8 ! modification, are permitted provided that the following conditions are met:
10 ! 1. Redistributions of source code must retain the above copyright notice,
11 ! this list of conditions and the following disclaimer.
13 ! 2. Redistributions in binary form must reproduce the above copyright notice,
14 ! this list of conditions and the following disclaimer in the documentation
15 ! and/or other materials provided with the distribution.
17 ! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 ! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
19 ! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 ! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 ! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 ! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 ! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 ! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 ! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 ! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 ! Generic functions, of sorts...
35 : fflush ( stream -- )
36 [ "fflush" get call ] bind ;
38 : freadln ( stream -- string )
39 [ "freadln" get call ] bind ;
41 : fread# ( count stream -- string )
42 [ "fread#" get call ] bind ;
44 : fprint ( string stream -- )
45 [ "fprint" get call ] bind ;
47 : fwrite ( string stream -- )
48 [ "fwrite" get call ] bind ;
50 : fwrite-attr ( string stream -- )
51 #! Write an attributed string to the given stream.
52 #! The attributes are taken from the current namespace;
53 #! supported keys depend on the type of stream.
54 [ "fwrite-attr" get call ] bind ;
56 : fedit ( string stream -- )
57 [ "fedit" get call ] bind ;
59 : fclose ( stream -- )
60 [ "fclose" get call ] bind ;
62 : <stream> ( -- stream )
63 #! Create a stream object.
66 [ "freadln not implemented." throw ] "freadln" set
68 [ "fread# not implemented." throw ] "fread#" set
70 [ "fwrite not implemented." throw ] "fwrite" set
72 [ namespace fwrite ] "fwrite-attr" set
74 [ "fedit not implemented." throw ] "fedit" set
80 [ namespace fwrite "\n" namespace fwrite ] "fprint" set
83 : <extend-stream> ( stream -- stream )
84 #! Create a stream that wraps another stream. Override some
85 #! or all of the stream words.
89 [ "stream" get freadln ] "freadln" set
91 [ "stream" get fread# ] "fread#" set
93 [ "stream" get fwrite ] "fwrite" set
95 [ "stream" get fwrite-attr ] "fwrite-attr" set
97 [ "stream" get fedit ] "fedit" set
99 [ "stream" get fflush ] "fflush" set
101 [ "stream" get fclose ] "fclose" set
103 [ "stream" get fprint ] "fprint" set