author | Claus Gittinger <cg@exept.de> |
Wed, 26 Oct 2011 17:31:13 +0200 | |
changeset 2673 | ea71dab56953 |
parent 2365 | 992361c42f71 |
child 3083 | 1befd13e063c |
permissions | -rw-r--r-- |
2363 | 1 |
"{ Package: 'stx:libbasic2' }" |
2 |
||
2673
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
3 |
PeekableStream subclass:#CollectingReadStream |
2363 | 4 |
instanceVariableNames:'collectBlock inStream' |
5 |
classVariableNames:'' |
|
6 |
poolDictionaries:'' |
|
2365 | 7 |
category:'Streams-Misc' |
2363 | 8 |
! |
9 |
||
10 |
!CollectingReadStream class methodsFor:'documentation'! |
|
11 |
||
12 |
documentation |
|
13 |
" |
|
14 |
A stream which provides the result of applying a collectBlock |
|
15 |
to the elements of an underlying stream. |
|
16 |
" |
|
17 |
! |
|
18 |
||
19 |
examples |
|
20 |
" |
|
21 |
[exBegin] |
|
22 |
|s| |
|
23 |
||
24 |
s := CollectingReadStream |
|
25 |
on:#(1 2 3 4 5 6 7 8) readStream |
|
26 |
collecting:[:each | each squared]. |
|
27 |
s upToEnd |
|
28 |
[exEnd] |
|
29 |
||
30 |
[exBegin] |
|
31 |
|s| |
|
32 |
||
33 |
s := (#(1 2 3 4 5 6 7 8) readStream |
|
34 |
selecting:[:n | n odd]) |
|
35 |
collecting:[:n | n squared]. |
|
36 |
s upToEnd |
|
37 |
[exEnd] |
|
38 |
" |
|
39 |
! ! |
|
40 |
||
41 |
!CollectingReadStream class methodsFor:'instance creation'! |
|
42 |
||
43 |
on:aStream collecting:aBlock |
|
44 |
^ self basicNew on:aStream collecting:aBlock |
|
45 |
! ! |
|
46 |
||
47 |
!CollectingReadStream methodsFor:'instance creation'! |
|
48 |
||
49 |
on:aStream collecting:aBlock |
|
50 |
inStream := aStream. |
|
51 |
collectBlock := aBlock. |
|
52 |
! ! |
|
53 |
||
54 |
!CollectingReadStream methodsFor:'queries'! |
|
55 |
||
56 |
atEnd |
|
57 |
^ inStream atEnd |
|
58 |
! ! |
|
59 |
||
2673
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
60 |
!CollectingReadStream methodsFor:'stream protocol'! |
2363 | 61 |
|
62 |
next |
|
63 |
inStream atEnd ifTrue:[ |
|
64 |
^ self pastEndRead |
|
65 |
]. |
|
66 |
^ collectBlock value:(inStream next) |
|
2673
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
67 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
68 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
69 |
nextOrNil |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
70 |
|ch| |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
71 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
72 |
ch := inStream nextOrNil. |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
73 |
ch notNil ifTrue:[ |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
74 |
collectBlock value:ch |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
75 |
]. |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
76 |
^ ch |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
77 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
78 |
"Created: / 26-10-2011 / 17:29:01 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
79 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
80 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
81 |
nextPeek |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
82 |
self next. |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
83 |
^ self peek |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
84 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
85 |
"Created: / 26-10-2011 / 17:25:16 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
86 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
87 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
88 |
peek |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
89 |
^ inStream peek |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
90 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
91 |
"Created: / 26-10-2011 / 17:24:59 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
92 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
93 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
94 |
peekOrNil |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
95 |
^ inStream peekOrNil |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
96 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
97 |
"Created: / 26-10-2011 / 17:25:32 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
98 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
99 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
100 |
position |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
101 |
^ inStream position |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
102 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
103 |
"Created: / 26-10-2011 / 17:25:08 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
104 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
105 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
106 |
position0Based |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
107 |
^ inStream position0Based |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
108 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
109 |
"Created: / 26-10-2011 / 17:23:56 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
110 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
111 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
112 |
position1Based |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
113 |
^ inStream position1Based |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
114 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
115 |
"Created: / 26-10-2011 / 17:22:42 / cg" |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
116 |
! |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
117 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
118 |
readStream |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
119 |
^ self |
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
120 |
|
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
121 |
"Created: / 26-10-2011 / 17:25:43 / cg" |
2363 | 122 |
! ! |
123 |
||
124 |
!CollectingReadStream class methodsFor:'documentation'! |
|
125 |
||
126 |
version_CVS |
|
2673
ea71dab56953
fixes to make JavaScript file reader happier
Claus Gittinger <cg@exept.de>
parents:
2365
diff
changeset
|
127 |
^ '$Header: /cvs/stx/stx/libbasic2/CollectingReadStream.st,v 1.3 2011-10-26 15:31:13 cg Exp $' |
2363 | 128 |
! ! |