/// <summary>
/// 根据传入的已被替换过的内容，以及恢复特征信息，恢复原始的内容
/// </summary>
/// <param name="value"></param>
/// <param name="revertInfo"></param>
/// <returns></returns>
public string Revert(string value, string version, string revertInfo)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
if (string.IsNullOrEmpty(revertInfo) || string.IsNullOrEmpty(version))
{
return(value);
}
ReplacedWordCollection words = ReplacedWordCollection.Parse(revertInfo);
if (words.Count == 0)
{
return(value);
}
int indexOffset = 0;
StringBuilder builder = new StringBuilder(value);
foreach (ReplacedWord item in words)
{
int newIndex = item.Index + indexOffset;
if (newIndex + item.Length > builder.Length)
{
break;
}
builder.Remove(newIndex, item.Length);
builder.Insert(newIndex, item.OriginalWord);
indexOffset += item.OriginalWord.Length - item.Length;
}
return(builder.ToString());
}
