FilteringLineStream.st
changeset 2377 2c8db8ee1b58
parent 988 e7e70b439226
child 2787 a0285176d2b6
--- a/FilteringLineStream.st	Fri Dec 11 10:23:53 2009 +0100
+++ b/FilteringLineStream.st	Fri Dec 11 10:23:55 2009 +0100
@@ -9,10 +9,7 @@
  other person.  No title to or ownership of the software is
  hereby transferred.
 "
-
-
-
-"{ Package: 'stx:goodies' }"
+"{ Package: 'stx:libbasic2' }"
 
 FilteringStream subclass:#FilteringLineStream
 	instanceVariableNames:'lineBuffer lineFilter'
@@ -69,17 +66,17 @@
   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 through an ActorStream:
-                                                                [exBegin]
+								[exBegin]
     |lineNr in pusher actorPerLine|
 
     lineNr := 0.
@@ -90,11 +87,11 @@
     in := 'Makefile' asFilename readStream.
     pusher := FilteringLineStream readingFrom:in writingTo:actorPerLine.
     pusher filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 
 
   filter all comments (starting with '#') from a Makefile:
-                                                                [exBegin]
+								[exBegin]
     |in filter|
 
     in := 'Makefile' asFilename readStream.
@@ -105,11 +102,11 @@
     filter outputStream:Transcript.
 
     filter filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 
 
   the inverse - remove all comments from the Makefile:
-                                                                [exBegin]
+								[exBegin]
     |in filter|
 
     in := 'Makefile' asFilename readStream.
@@ -120,12 +117,12 @@
     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.
@@ -139,7 +136,7 @@
     filter2 outputStream:Transcript.
 
     filter2 filterUpToEnd
-                                                                [exEnd]
+								[exEnd]
 "
 ! !
 
@@ -164,14 +161,14 @@
     |output|
 
     lineFilter isNil ifTrue:[
-        outputStream nextPutLine:(lineBuffer ? '')
+	outputStream nextPutLine:(lineBuffer ? '')
     ] ifFalse:[
-        lineBuffer isNil ifTrue:[lineBuffer := ''].
+	lineBuffer isNil ifTrue:[lineBuffer := ''].
 
-        output := lineFilter value:lineBuffer.
-        output notNil ifTrue:[
-            outputStream nextPutLine:output.
-        ]
+	output := lineFilter value:lineBuffer.
+	output notNil ifTrue:[
+	    outputStream nextPutLine:output.
+	]
     ].
     lineBuffer := ''.
 
@@ -225,5 +222,9 @@
 !FilteringLineStream class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic2/FilteringLineStream.st,v 1.6 2001-11-08 15:34:27 md Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic2/FilteringLineStream.st,v 1.7 2009-12-11 09:23:55 cg Exp $'
+!
+
+version_CVS
+    ^ '$Header: /cvs/stx/stx/libbasic2/FilteringLineStream.st,v 1.7 2009-12-11 09:23:55 cg Exp $'
 ! !