001: /*
002: * Copyright (c) 2001-2007, Jean Tessier
003: * All rights reserved.
004: *
005: * Redistribution and use in source and binary forms, with or without
006: * modification, are permitted provided that the following conditions
007: * are met:
008: *
009: * * Redistributions of source code must retain the above copyright
010: * notice, this list of conditions and the following disclaimer.
011: *
012: * * Redistributions in binary form must reproduce the above copyright
013: * notice, this list of conditions and the following disclaimer in the
014: * documentation and/or other materials provided with the distribution.
015: *
016: * * Neither the name of Jean Tessier nor the names of his contributors
017: * may be used to endorse or promote products derived from this software
018: * without specific prior written permission.
019: *
020: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
021: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
022: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
023: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
024: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
025: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
026: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
027: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
028: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
029: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
030: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031: */
032:
033: package com.jeantessier.commandline;
034:
035: import com.jeantessier.text.*;
036:
037: public abstract class Printer extends VisitorBase {
038: private PrinterBuffer buffer = new PrinterBuffer();
039:
040: public void setIndentText(String indentText) {
041: buffer.setIndentText(indentText);
042: }
043:
044: protected Printer append(boolean b) {
045: buffer.append(b);
046: return this ;
047: }
048:
049: protected Printer append(char c) {
050: buffer.append(c);
051: return this ;
052: }
053:
054: protected Printer append(char[] s) {
055: buffer.append(s);
056: return this ;
057: }
058:
059: protected Printer append(double d) {
060: buffer.append(d);
061: return this ;
062: }
063:
064: protected Printer append(float f) {
065: buffer.append(f);
066: return this ;
067: }
068:
069: protected Printer append(int i) {
070: buffer.append(i);
071: return this ;
072: }
073:
074: protected Printer append(long l) {
075: buffer.append(l);
076: return this ;
077: }
078:
079: protected Printer append(Object obj) {
080: buffer.append(obj);
081: return this ;
082: }
083:
084: protected Printer append(String s) {
085: buffer.append(s);
086: return this ;
087: }
088:
089: protected Printer indent() {
090: buffer.indent();
091: return this ;
092: }
093:
094: protected Printer eol() {
095: buffer.eol();
096: return this ;
097: }
098:
099: protected void raiseIndent() {
100: buffer.raiseIndent();
101: }
102:
103: protected void lowerIndent() {
104: buffer.lowerIndent();
105: }
106:
107: public void visitCommandLine(CommandLine commandLine) {
108: raiseIndent();
109: super .visitCommandLine(commandLine);
110: lowerIndent();
111: }
112:
113: public String toString() {
114: return buffer.toString();
115: }
116: }
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