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1: /* 2: Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.java.rmi.rmic; 39: 40: import java.io.FilterWriter; 41: import java.io.Writer; 42: import java.io.IOException; 43: 44: public class TabbedWriter 45: extends FilterWriter { 46: 47: private static final String defaultTabstring = " "; 48: private char[] tabstring; 49: private int tabs; 50: 51: public TabbedWriter(Writer o) { 52: this(o, defaultTabstring); 53: } 54: 55: public TabbedWriter(Writer o, String str) { 56: super(o); 57: tabs = 0; 58: tabstring = str.toCharArray(); 59: } 60: 61: public void write(int c) throws IOException { 62: out.write(c); 63: if (c == '\n') { 64: for (int i = 0; i < tabs; i++) { 65: out.write(tabstring, 0, tabstring.length); 66: } 67: } 68: } 69: 70: public void write(char cbuf[], int off, int len) throws IOException { 71: for (int i = 0; i < len; i++) { 72: write((int)cbuf[i+off]); 73: } 74: } 75: 76: public void write(String str, int off, int len) throws IOException { 77: write(str.toCharArray(), off, len); 78: } 79: 80: public void unindent() throws IOException { 81: unindent(1); 82: } 83: 84: public void unindent(int nr) throws IOException { 85: indent(-nr); 86: } 87: 88: public void indent() throws IOException { 89: indent(1); 90: } 91: 92: public void indent(int nr) throws IOException { 93: tabs += nr; 94: if (tabs < 0) { 95: tabs = 0; 96: } 97: write((int)'\n'); 98: } 99: 100: }