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