public static void AnalyzeText(ref string text)
{
hrefInfos.Clear();
if (text == "" || text.Length <= 3)
{
return;
}
if (!isInit)
{
Init();
}
//***********第一步：对整个字符串进行正则表达式替换********//
//三种正则：
//自定义的（[x],[\x]） 替换成##
//系统A类型的（<x>,<\x>） 替换成##
//系统B类型（<x/>） 替换成$$
string beginFlagText = text; //记录富文本的实际开始作用index
string originalText = text;
for (int n = 0; n < handlers.Count; n++)
{
URichTextHandler_Base handler = handlers[n];
int regexCount = 2;
if (handler.IsSingleRegex())
{
regexCount = 1;
}
for (int i = 0; i < regexCount; i++)
{
s_TextBuilder.Length = 0;
Regex s_Regex = new Regex(handler.GetRegexInfo()[i], RegexOptions.Singleline);
int isHead = regexCount == 1 ? -1 : i;
foreach (Match match in s_Regex.Matches(originalText))
{
var group = match.Groups[1];
string[] richValues = new string[match.Groups.Count];
var hrefInfo = new URichTextParseInfo
{
sortIndex = match.Index,
type = (RichType)(n),
values = match.Groups,
isHead = isHead
};
////替换字符串，进替换匹配到的第一个
int length = match.Value.Length;
int index = text.IndexOf(match.Value);
text = ReplaceTheFirst(text, match.Value, headPlaceholder);
beginFlagText = ReplaceTheFirst(beginFlagText, match.Value, isHead == 1 ? "" : headPlaceholder);
//text = text.Replace(match.Value, hrefInfo.isHead==1 ? tailPlaceholder:headPlaceholder); //重复replace，消耗性能
hrefInfos.Add(hrefInfo);
}
//Debug.Log(beginFlagText);
//Debug.Log(text);
}
}
//***********第二步：对href进行排序********//
hrefInfos.Sort(CompareByIndex);
//***********第三步：对替换后的字符串进行分析********//
int curTextIndex = 0;
int curHrefIndex = 0;
//遍历字符串
while (true)
{
int addTextCount = 1; //处理完后，会对字符串进行添加的字符数
if (curTextIndex >= 0 && curTextIndex < text.Length && text[curTextIndex].ToString() == headPlaceholder && curHrefIndex < hrefInfos.Count)
{
URichTextParseInfo hrefInfo = hrefInfos[curHrefIndex];
//Debug.Log("currrrr: " + hrefInfo.type + " " + hrefInfo.sortIndex +" "+ hrefInfo.isHead);
int hrefStartIndex = curTextIndex; //富文本需要处理字符串的首字母index
int hrefEndIndex = curTextIndex + 1; //富文本需要处理字符串的尾字母index
int hrefLength = 0; //富文本需要处理字符串的长度
int hrefInsideCout = 0; //富文本需要处理字符串的中内嵌的占位符数量
//遍历起始占位符到结尾占位符之间的字符串
bool isFindEnd = false;
if (hrefInfo.isHead != -1)
{
while (true)
{
if (hrefEndIndex >= 0 && hrefEndIndex < text.Length && text[hrefEndIndex].ToString() == headPlaceholder)
{
hrefInsideCout++;
URichTextParseInfo nextHrefInfo = hrefInfos[curHrefIndex + hrefInsideCout];
//Debug.Log("nenenenenL: " + nextHrefInfo.type + " " + nextHrefInfo.sortIndex + " " + nextHrefInfo.isHead);
//找到的末尾
if (nextHrefInfo.isHead == 1 && nextHrefInfo.type == hrefInfo.type)
{
hrefInfos.Remove(nextHrefInfo);
isFindEnd = true;
}
}
if (!isFindEnd)
{
hrefEndIndex++;
}
else
{
hrefInsideCout--; //减去末尾的
//检查是否合法：
//...
break;
}
if (hrefEndIndex >= text.Length)
{
break;
}
}
if (isFindEnd)
{
//计算总长度
hrefLength = hrefEndIndex - hrefStartIndex - hrefInsideCout + 1 - 2;
hrefInfo.vertStartIndex = curTextIndex;
hrefInfo.realLength = hrefLength; //保存作用长度
text = handlers[(int)hrefInfo.type].HandleText(ref addTextCount, text, hrefStartIndex, hrefEndIndex, hrefLength, hrefInfo.values);
curHrefIndex++;
}
else
{
curTextIndex = text.Length + 1; //如果没找到那就是该字符串有问题，直接返回
Debug.LogWarning("regex Type[" + hrefInfo.type + "] has no end!!!");
}
}
else
{
hrefInfo.vertStartIndex = curTextIndex;
hrefInfo.realLength = 0; //保存作用长度
text = handlers[(int)hrefInfo.type].HandleText(ref addTextCount, text, hrefStartIndex, hrefStartIndex, hrefLength, hrefInfo.values);
curHrefIndex++;
}
//Debug.Log("regex Type[" + hrefInfo.type + "]: " + text);
}
curTextIndex += addTextCount;
if (curTextIndex >= text.Length)
{
break;
}
}
//***********第四步：得到HrefInfo的开始作用Index********//
curTextIndex = 0;
curHrefIndex = 0;
//遍历beginFlagText，找到开始的index
while (true)
{
if (beginFlagText[curTextIndex].ToString() == headPlaceholder)
{
//Debug.Log(beginFlagText);
if (curHrefIndex >= hrefInfos.Count)
{
break;
}
URichTextParseInfo hrefInfo = hrefInfos[curHrefIndex];
hrefInfo.startIndex = curTextIndex;
beginFlagText = beginFlagText.Remove(curTextIndex, PLACE_HOLDER_LENGTH);
curHrefIndex++;
}
else
{
curTextIndex++;
}
if (curTextIndex >= beginFlagText.Length)
{
break;
}
}
//Debug.Log(beginFlagText);
}
public static void AddHandler(URichTextHandler_Base handler)
{
handlers.Add(handler);
}
