X-Git-Url: http://git.dolda2000.com/gitweb/?a=blobdiff_plain;f=src%2Fdolda%2Fjsvc%2Fnext%2FColumnWriter.java;fp=src%2Fdolda%2Fjsvc%2Fnext%2FColumnWriter.java;h=0ea5b7751644209765eab43fe22f7a1d67dcb407;hb=6e40b32ee7b4e65f600f6aeb25838d6d40e76838;hp=0000000000000000000000000000000000000000;hpb=3de0fa23dedbf36f814f1293e59aa8b8c4eef8a4;p=jsvc.git

diff --git a/src/dolda/jsvc/next/ColumnWriter.java b/src/dolda/jsvc/next/ColumnWriter.java
new file mode 100644
index 0000000..0ea5b77
--- /dev/null
+++ b/src/dolda/jsvc/next/ColumnWriter.java
@@ -0,0 +1,51 @@
+package dolda.jsvc.next;
+
+import java.io.*;
+
+public class ColumnWriter extends FilterWriter {
+    public int line, col;
+    public boolean start = true;
+    
+    public ColumnWriter(Writer out) {
+	super(out);
+	line = col = 0;
+    }
+    
+    private void hc(int c) {
+	if(c == '\n') {
+	    col = 0;
+	    line++;
+	    start = true;
+	} else if(c == '\t') {
+	    col = (col - (col % 8)) + 8;
+	} else {
+	    col++;
+	}
+	if(!Character.isWhitespace(c))
+	    start = false;
+    }
+
+    public void write(int c) throws IOException {
+	super.write(c);
+	hc(c);
+    }
+    
+    public void write(String s, int off, int len) throws IOException {
+	super.write(s, off, len);
+	for(int i = 0; i < s.length(); i++)
+	    hc(s.charAt(i));
+    }
+    
+    public void write(char[] b, int off, int len) throws IOException {
+	super.write(b, off, len);
+	for(int i = 0; i < len; i++, off++)
+	    hc(b[off]);
+    }
+    
+    public void indent(int level) throws IOException {
+	if(!start)
+	    write('\n');
+	while(col < level)
+	    write(' ');
+    }
+}