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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
namespace IceUtilInternal
{
using System.Collections;
using System.IO;
using System.Diagnostics;
public class OutputBase
{
public
OutputBase()
{
out_ = null;
pos_ = 0;
indent_ = 0;
indentSize_ = 4;
useTab_ = true;
indentSave_ = new Stack();
separator_ = true;
}
public
OutputBase(TextWriter writer)
{
out_ = writer;
pos_ = 0;
indent_ = 0;
indentSize_ = 4;
useTab_ = true;
indentSave_ = new Stack();
separator_ = true;
}
public
OutputBase(string s)
{
out_ = new StreamWriter(s);
pos_ = 0;
indent_ = 0;
indentSize_ = 4;
useTab_ = true;
indentSave_ = new Stack();
separator_ = true;
}
virtual public void
setIndent(int indentSize)
{
indentSize_ = indentSize;
}
virtual public void
setUseTab(bool useTab)
{
useTab_ = useTab;
}
public virtual void
open(string s)
{
try
{
out_ = new StreamWriter(s);
}
catch(IOException)
{
}
}
public virtual void
print(string s)
{
char[] arr = s.ToCharArray();
for(int i = 0; i < arr.Length; i++)
{
if(arr[i] == '\n')
{
pos_ = 0;
}
else
{
}
}
out_.Write(s);
}
public virtual void
inc()
{
indent_ += indentSize_;
}
public virtual void
dec()
{
Debug.Assert(indent_ >= indentSize_);
indent_ -= indentSize_;
}
public virtual void
useCurrentPosAsIndent()
{
indentSave_.Push(indent_);
indent_ = pos_;
}
public virtual void
zeroIndent()
{
indentSave_.Push(indent_);
indent_ = 0;
}
public virtual void
restoreIndent()
{
Debug.Assert(indentSave_.Count != 0);
indent_ = (int)indentSave_.Pop();
}
public virtual void
nl()
{
out_.WriteLine();
pos_ = 0;
separator_ = true;
int indent = indent_;
if(useTab_)
{
while(indent >= 8)
{
indent -= 8;
out_.Write('\t');
pos_ += 8;
}
}
else
{
while(indent >= indentSize_)
{
indent -= indentSize_;
out_.Write(" ");
pos_ += indentSize_;
}
}
while(indent > 0)
{
--indent;
out_.Write(" ");
++pos_;
}
out_.Flush();
}
public virtual void
sp()
{
if(separator_)
{
out_.WriteLine();
}
}
public virtual bool
valid()
{
return out_ != null;
}
protected internal TextWriter out_;
protected internal int pos_;
protected internal int indent_;
protected internal int indentSize_;
protected internal Stack indentSave_;
protected internal bool useTab_;
protected internal bool separator_;
}
}
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