You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

118 lines
3.2 KiB

using System;
using System.Collections.Generic;
using System.Text;
namespace Apewer.Internals
{
internal class TextBuilder
{
private StringBuilder _sb = null;
private string _value = null;
/// <summary>获取或设置字符串内容。</summary>
public string Value
{
get
{
if (_value == null) _value = _sb.ToString();
return _value;
}
set { Clear(); Append(value); }
}
/// <summary>追加内容。</summary>
public void Append(string argStrings)
{
if (string.IsNullOrEmpty(argStrings)) return;
_value = null;
_sb.Append(argStrings);
}
/// <summary>追加内容。</summary>
public void Append(IEnumerable<string> argStrings)
{
if (argStrings == null) return;
_value = null;
foreach (var vstring in argStrings) if (!string.IsNullOrEmpty(vstring)) _sb.Append(vstring);
}
/// <summary>追加内容。</summary>
public void Append(params string[] argText)
{
_value = null;
foreach (var vtext in argText) if (!string.IsNullOrEmpty(vtext)) _sb.Append(vtext);
}
/// <summary>追加内容。</summary>
public void Append(char argChar)
{
_value = null;
_sb.Append(argChar.ToString());
}
/// <summary>追加内容。</summary>
public void Append(IEnumerable<char> argChar)
{
if (argChar == null) return;
_value = null;
foreach (var vchar in argChar) _sb.Append(vchar.ToString());
}
/// <summary>追加内容。</summary>
public void Append(params char[] argChar)
{
_value = null;
foreach (var vchar in argChar) _sb.Append(vchar.ToString());
}
/// <summary>清空内容,重建对象。</summary>
public void Clear()
{
_value = null;
_sb = new StringBuilder();
}
/// <summary>内容长度。</summary>
public int Length
{
get { return _sb.Length; }
}
/// <summary>替换内容子中的字符串。</summary>
public void Replace(string argOld, string argNew)
{
if (!string.IsNullOrEmpty(argOld))
{
_value = null;
var vnew = string.IsNullOrEmpty(argNew) ? "" : argNew;
_sb.Replace(argOld, vnew);
}
}
/// <summary>获取字符串内容。</summary>
public override string ToString()
{
if (_value == null) _value = _sb.ToString();
return _value;
}
/// <summary>构造函数。</summary>
public TextBuilder()
{
_sb = new StringBuilder();
}
/// <summary>构造函数。</summary>
public TextBuilder(string argContent)
{
_sb = new StringBuilder();
if (string.IsNullOrEmpty(argContent)) return;
_sb.Append(argContent);
}
}
}