public static string ConvertToUbb(string htmlContent, ContentConvert beforeConvert, ContentConvert afterConvert)
{
string msg = string.Empty;
htmlContent = htmlContent.Replace("\n", string.Empty);
htmlContent = htmlContent.Replace("\r", string.Empty);
htmlContent = regScript.Replace(htmlContent, string.Empty);
htmlContent = regStyle.Replace(htmlContent, string.Empty);
// htmlContent = htmlContent.Trim();
if (beforeConvert != null)
{
htmlContent = beforeConvert(htmlContent);
}
MatchCollection matchs = regTag.Matches(htmlContent);
int tagIndex = 0;
List <HtmlTagBase> tags = new List <HtmlTagBase>()
, beginTags = new List <HtmlTagBase>()
, endTages = new List <HtmlTagBase>()
, singleTags = new List <HtmlTagBase>();
foreach (Match m in matchs)
{
HtmlTagBase t;
string tagName = m.Groups[1].Value;
//这里也可以根据HTML标签来反射生成Html标签类， 代码可以少很多， 但是这样性能不好。
switch (tagName.ToLower())
{
case "img":
t = new ImgTag(tagIndex, m.Value, m.Index);
break;
case "a":
t = new ATag(tagIndex, m.Value, m.Index);
break;
case "font":
t = new FontTag(tagIndex, m.Value, m.Index);
break;
case "span":
t = new SpanTag(tagIndex, m.Value, m.Index);
break;
case "br":
t = new BrTag(tagIndex, m.Value, m.Index);
break;
case "div":
t = new DivTag(tagIndex, m.Value, m.Index);
break;
case "p":
t = new PTag(tagIndex, m.Value, m.Index);
break;
case "table":
t = new TableTag(tagIndex, m.Value, m.Index);
break;
case "ol":
case "ul":
t = new ListTag(tagIndex, m.Value, m.Index);
break;
case "td":
case "tr":
case "s":
case "b":
case "i":
case "sub":
case "sup":
case "u":
t = new PairTag(tagIndex, m.Value, m.Index);
break;
case "th":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "td";
break;
case "strong":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "b";
break;
case "em":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "i";
break;
case "strike":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "s";
break;
case "blockquote":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "indent";
break;
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
t = new HTag(tagIndex, m.Value, m.Index);
break;
case "embed":
t = new EmbedTag(tagIndex, m.Value, m.Index);
break;
default:
t = new HtmlTagBase(tagIndex, m.Value, m.Index);
break;
}
tagIndex++;
t.TagList = tags;
tags.Add(t);
if (t.IsSingleTag)
{
singleTags.Add(t);
}
else
{
if (!t.IsEndTag)
{
beginTags.Add(t);
}
else
{
int flag = -1;
for (int i = beginTags.Count - 1; i >= 0; i--)
{
if (beginTags[i].TagName == t.TagName)//匹配开始标记和结束标记
{
flag = i;
beginTags[i].Pair = t;
t.Pair = beginTags[i];
break;
}
}
if (flag >= 0)
{
for (int i = beginTags.Count - 1; i >= flag; i--)
{
beginTags.RemoveAt(i);
}
}
}
}
}
StringBuilder builder = new StringBuilder(htmlContent);
for (int i = 0; i < tags.Count; i++)
{
if (!tags[i].IsSingleTag)
{
if (tags[i].Pair == null)
{
msg += tags[i].TagName + "没有对应的" + (tags[i].IsEndTag ? "开始" : "结束") + "标记\r\n";
}
}
if (!tags[i].IsEndTag || tags[i].IsSingleTag)
{
builder = tags[i].ConvertToUBB(builder);
}
}
//builder.Replace(" ", string.Empty);
builder.Replace("\t", string.Empty);
htmlContent = builder.ToString();
htmlContent = new Regex("<.*?>").Replace(htmlContent, string.Empty);
htmlContent = HttpUtility.HtmlDecode(htmlContent);
if (afterConvert != null)
{
htmlContent = afterConvert(htmlContent);
}
return(htmlContent);
}
public static string ConvertToUbb(string htmlContent, ContentConvert beforeConvert, ContentConvert afterConvert)
{
string msg = string.Empty;
htmlContent = htmlContent.Replace("\n", string.Empty);
htmlContent = htmlContent.Replace("\r", string.Empty);
htmlContent = regScript.Replace(htmlContent, string.Empty);
htmlContent = regStyle.Replace(htmlContent, string.Empty);
// htmlContent = htmlContent.Trim();
if (beforeConvert != null)
htmlContent = beforeConvert(htmlContent);
MatchCollection matchs = regTag.Matches(htmlContent);
int tagIndex = 0;
List<HtmlTagBase> tags = new List<HtmlTagBase>()
, beginTags = new List<HtmlTagBase>()
, endTages = new List<HtmlTagBase>()
, singleTags = new List<HtmlTagBase>();
foreach (Match m in matchs)
{
HtmlTagBase t;
string tagName = m.Groups[1].Value;
//这里也可以根据HTML标签来反射生成Html标签类， 代码可以少很多， 但是这样性能不好。
switch (tagName.ToLower())
{
case "img":
t = new ImgTag(tagIndex, m.Value, m.Index);
break;
case "a":
t = new ATag(tagIndex, m.Value, m.Index);
break;
case "font":
t = new FontTag(tagIndex, m.Value, m.Index);
break;
case "span":
t = new SpanTag(tagIndex, m.Value, m.Index);
break;
case "br":
t = new BrTag(tagIndex, m.Value, m.Index);
break;
case "div":
t = new DivTag(tagIndex, m.Value, m.Index);
break;
case "p":
t = new PTag(tagIndex, m.Value, m.Index);
break;
case "table":
t = new TableTag(tagIndex, m.Value, m.Index);
break;
case "ol":
case "ul":
t = new ListTag(tagIndex, m.Value, m.Index);
break;
case "td":
case "tr":
case "s":
case "b":
case "i":
case "sub":
case "sup":
case "u":
t = new PairTag(tagIndex, m.Value, m.Index);
break;
case "th":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "td";
break;
case "strong":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "b";
break;
case "em":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "i";
break;
case "strike":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "s";
break;
case "blockquote":
t = new PairTag(tagIndex, m.Value, m.Index);
((PairTag)t).UbbTag = "indent";
break;
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
t = new HTag(tagIndex, m.Value, m.Index);
break;
case "embed":
t = new EmbedTag(tagIndex, m.Value, m.Index);
break;
default:
t = new HtmlTagBase(tagIndex, m.Value, m.Index);
break;
}
tagIndex++;
t.TagList = tags;
tags.Add(t);
if (t.IsSingleTag)
{
singleTags.Add(t);
}
else
{
if (!t.IsEndTag)
{
beginTags.Add(t);
}
else
{
int flag = -1;
for (int i = beginTags.Count - 1; i >= 0; i--)
{
if (beginTags[i].TagName == t.TagName)//匹配开始标记和结束标记
{
flag = i;
beginTags[i].Pair = t;
t.Pair = beginTags[i];
break;
}
}
if (flag >= 0)
{
for (int i = beginTags.Count - 1; i >= flag; i--)
{
beginTags.RemoveAt(i);
}
}
}
}
}
StringBuilder builder = new StringBuilder(htmlContent);
for (int i = 0; i < tags.Count; i++)
{
if (!tags[i].IsSingleTag)
{
if (tags[i].Pair == null)
{
msg += tags[i].TagName + "没有对应的" + (tags[i].IsEndTag ? "开始" : "结束") + "标记\r\n";
}
}
if (!tags[i].IsEndTag || tags[i].IsSingleTag)
builder = tags[i].ConvertToUBB(builder);
}
//builder.Replace(" ", string.Empty);
builder.Replace("\t", string.Empty);
htmlContent = builder.ToString();
htmlContent = new Regex("<.*?>").Replace(htmlContent, string.Empty);
htmlContent = HttpUtility.HtmlDecode(htmlContent);
if (afterConvert != null)
htmlContent = afterConvert(htmlContent);
return htmlContent;
}