FilteringLineStream.st
changeset 885 c31412b26306
parent 474 61cb199537b5
child 988 e7e70b439226
--- a/FilteringLineStream.st	Fri Feb 18 15:40:57 2000 +0100
+++ b/FilteringLineStream.st	Thu Mar 02 15:15:13 2000 +0100
@@ -1,6 +1,8 @@
+"{ Package: 'stx:goodies' }"
+
 "
  COPYRIGHT (c) 1996 by Claus Gittinger
-              All Rights Reserved
+	      All Rights Reserved
 
  This software is furnished under a license and may be used
  only in accordance with the terms of that license and with the
@@ -24,7 +26,7 @@
 copyright
 "
  COPYRIGHT (c) 1996 by Claus Gittinger
-              All Rights Reserved
+	      All Rights Reserved
 
  This software is furnished under a license and may be used
  only in accordance with the terms of that license and with the
@@ -53,10 +55,10 @@
 
 
     [author:]
-        Claus Gittinger
+	Claus Gittinger
 
     [See also:]
-        FilteringStream ReadStream WriteStream
+	FilteringStream ReadStream WriteStream
 "
 
 
@@ -67,17 +69,17 @@
   pushing the contents of a stream onto another stream
   (here, the Transcript) without a need to read everyting into a
   buffer or to reinvent the read-loop:
-                                                                [exBegin]
+								[exBegin]
     |in pusher|
 
     in := 'Makefile' asFilename readStream.
     pusher := FilteringLineStream readingFrom:in writingTo:Transcript.
     pusher filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 
 
   filter all comments (starting with '#') from a Makefile:
-                                                                [exBegin]
+								[exBegin]
     |in filter|
 
     in := 'Makefile' asFilename readStream.
@@ -88,11 +90,11 @@
     filter outputStream:Transcript.
 
     filter filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 
 
   the inverse - remove all comments from the Makefile:
-                                                                [exBegin]
+								[exBegin]
     |in filter|
 
     in := 'Makefile' asFilename readStream.
@@ -103,12 +105,12 @@
     filter outputStream:Transcript.
 
     filter filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 
 
   feed a second filter from the first filters output;
   (the remains are all lines starting with '#' and ending with '-'):
-                                                                [exBegin]
+								[exBegin]
     |in filter1 filter2|
 
     in := 'Makefile' asFilename readStream.
@@ -122,7 +124,7 @@
     filter2 outputStream:Transcript.
 
     filter2 filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 "
 
 ! !
@@ -134,7 +136,7 @@
      push it filtered into the outputStream."
 
     [inputStream atEnd] whileFalse:[
-        self nextPutLine:(inputStream nextLine)
+	self nextPutLine:(inputStream nextLine)
     ].
 
     "Created: 11.1.1997 / 16:09:05 / cg"
@@ -148,18 +150,18 @@
     |output|
 
     lineFilter isNil ifTrue:[
-        lineBuffer notNil ifTrue:[
-            outputStream nextPutAll:lineBuffer
-        ].
-        outputStream cr
+	lineBuffer notNil ifTrue:[
+	    outputStream nextPutAll:lineBuffer
+	].
+	outputStream cr
     ] ifFalse:[
-        lineBuffer isNil ifTrue:[lineBuffer := ''].
+	lineBuffer isNil ifTrue:[lineBuffer := ''].
 
-        output := lineFilter value:lineBuffer.
-        output notNil ifTrue:[
-            outputStream nextPutAll:output.
-            outputStream cr.
-        ]
+	output := lineFilter value:lineBuffer.
+	output notNil ifTrue:[
+	    outputStream nextPutAll:output.
+	    outputStream cr.
+	]
     ].
     lineBuffer := ''.
 
@@ -170,10 +172,10 @@
     "collect a line and push it when a cr arrives"
 
     something == Character cr ifTrue:[
-        self cr
+	self cr
     ] ifFalse:[
-        lineBuffer isNil ifTrue:[lineBuffer := ''].
-        lineBuffer := lineBuffer copyWith:something.
+	lineBuffer isNil ifTrue:[lineBuffer := ''].
+	lineBuffer := lineBuffer copyWith:something.
     ]
 
     "Created: 2.7.1996 / 20:54:38 / cg"
@@ -184,9 +186,9 @@
     "collect a line and push it when a cr arrives"
 
     lineBuffer isNil ifTrue:[
-        lineBuffer := something
+	lineBuffer := something
     ] ifFalse:[
-        lineBuffer := lineBuffer , something.
+	lineBuffer := lineBuffer , something.
     ]
 
     "Modified: 11.1.1997 / 16:31:28 / cg"
@@ -213,5 +215,5 @@
 !FilteringLineStream class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic2/FilteringLineStream.st,v 1.4 1997-01-11 15:51:18 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic2/FilteringLineStream.st,v 1.5 2000-03-02 14:15:07 cg Exp $'
 ! !