1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
// NAnt - A .NET build tool
// Copyright (C) 2001 Gerry Shaw
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Gerry Shaw (gerry_shaw@yahoo.com)
namespace SourceForge.NAnt {
using System;
using System.Collections;
using System.IO;
using System.Text;
public class TextWriterCollection : ArrayList {
}
public class Log {
static bool _autoFlush = false;
static int _indentLevel = 0;
static int _indentSize = 4;
static TextWriterCollection _listeners;
protected Log() {
}
~Log() {
// make sure we release any open file handles
Close();
}
public static bool AutoFlush {
get { return _autoFlush; }
set { _autoFlush = value; }
}
public static int IndentLevel {
get { return _indentLevel; }
set { _indentLevel = value; }
}
public static int IndentSize {
get { return _indentSize; }
set { _indentSize = value; }
}
public static TextWriterCollection Listeners {
get {
if (_listeners == null) {
_listeners = new TextWriterCollection();
_listeners.Add(Console.Out);
}
return _listeners;
}
}
public static void Close() {
foreach (TextWriter writer in Listeners) {
// never close the Console.Out writer
if (writer != Console.Out) {
writer.Close();
}
}
}
public static void Flush() {
foreach (TextWriter writer in Listeners) {
writer.Flush();
}
}
public static void Indent() {
IndentLevel++;
}
public static void Unindent() {
if (IndentLevel <= 0) {
throw new InvalidOperationException("IndentLevel must be greater than zero before calling Unindent()");
}
IndentLevel--;
}
/// <summary>
/// Flag to indicate next string will start on a new line so that it can be indented.
/// </summary>
private static bool _newline = true;
private static void PreprocessValue(ref string value) {
// if we are starting a new line then first indent the string
if (_newline) {
if (IndentLevel > 0) {
StringBuilder sb = new StringBuilder(value);
sb.Insert(0, " ", IndentLevel * IndentSize);
value = sb.ToString();
}
_newline = false;
}
}
public static void Write(string value) {
PreprocessValue(ref value);
foreach (TextWriter writer in Listeners) {
writer.Write(value);
}
if (AutoFlush) {
foreach (TextWriter writer in Listeners) {
writer.Flush();
}
}
}
public static void WriteLine() {
WriteLine(String.Empty);
}
public static void WriteLine(string value) {
PreprocessValue(ref value);
foreach (TextWriter writer in Listeners) {
writer.WriteLine(value);
}
if (AutoFlush) {
foreach (TextWriter writer in Listeners) {
writer.Flush();
}
}
// make sure we indent the next line
_newline = true;
}
public static void Write(string format, params object[] arg) {
Write(String.Format(format, arg));
}
public static void WriteLine(string format, params object[] arg) {
WriteLine(String.Format(format, arg));
}
}
}
|
