public void SetExternalUnderlining(UnderlineInfo underlineInfo, bool setSelection)
{
ExternalUnderliningLoop.SendRewind( );
lock (this)
{
LastExternalUnderlineInfo = underlineInfo;
LastExternalUnderlineSetSelection = setSelection;
}
ExternalUnderliningLoop.SendWaitAndExecute( );
}
private Stack <UnderlineInfo> tagHeadStack = new Stack <UnderlineInfo>(); //存储标签头，因为嵌套
private void DealUnderlineTag(string richText, IList <UIVertex> verts)
{
if (richText.Length * 4 > verts.Count)
{
return; //在标签输入的过程中，会出现
}
tagHeadStack.Clear();
Match match = regex.Match(richText);
while (match.Success)
{
if (match.Value == endStr) //匹配到标签尾
{
if (tagHeadStack.Count == 0)
{
match = match.NextMatch();
continue;
}
UnderlineInfo tagParser = tagHeadStack.Pop();
int startIndex = tagParser.startIndex;
int endIndex = match.Index;
if (endIndex <= startIndex) //没有囊括内容
{
match = match.NextMatch();
continue;
}
//标签类型
Match headMatch = tagRegex.Match(tagParser.content);
if (!headMatch.Success)
{
match = match.NextMatch();
continue;
}
string tagName = headMatch.Groups[1].Value;
if (tagName != "underline")
{
match = match.NextMatch();
continue;
}
//解析标签参数
Color color = Color.white; //颜色
float height = 1f; //线段高度
int controlID = -99999;
string parameter = ""; //参数
var keyValueCollection = _PairRegex.Matches(headMatch.Groups[2].Value);
for (int i = 0; i < keyValueCollection.Count; i++)
{
string key = keyValueCollection[i].Groups[1].Value;
string value = keyValueCollection[i].Groups[2].Value;
switch (key)
{
case "c":
{
ColorUtility.TryParseHtmlString(value, out color);
break;
}
case "h":
{
float.TryParse(value, out height);
break;
}
case "f":
{
int.TryParse(value, out controlID);
break;
}
case "p":
{
parameter = value;
break;
}
default:
break;
}
}
float unitsPerPixel = 1 / pixelsPerUnit;
//0 1|4 5|8 9 |12 13
//3 2|7 6|11 10|14 15
//<material=underline c=#ffffff h=1 n=1 p=2>下划线</material>
//以上面为例:
//tag.start为42，对应“>” | start对应“下”的左上角顶点
//tag.end为44，对应“划” | end对应“线”下一个字符的左上角顶点
int start = startIndex * 4;
int end = Mathf.Min(endIndex * 4, verts.Count);
UIVertex vt1 = verts[start + 3];
float minY = vt1.position.y;
float maxY = verts[start].position.y;
//换行处理，如需换行，则将一条下划线分割成几条
//顶点取样分布，如上图的2，6，10，其中end - 2表示最后一个取样点，即10
//对应例子中的下、划、线的右下角顶点
for (int i = start + 2; i <= end - 2; i += 4)
{
UIVertex vt2 = verts[i];
bool newline = Mathf.Abs(vt2.position.y - vt1.position.y) > fontSize;
if (newline || i == end - 2)
{
ImageInfo imageInfo = new ImageInfo();
//计算宽高
int tailIndex = !newline && i == end - 2 ? i : i - 4;
vt2 = verts[tailIndex];
minY = vt2.position.y;
imageInfo.size = new Vector2((vt2.position.x - vt1.position.x) * unitsPerPixel, height);
//计算位置
Vector2 vertex = new Vector2(vt1.position.x, minY);
vertex *= unitsPerPixel;
vertex += new Vector2(imageInfo.size.x * 0.5f, -height * 0.5f);
vertex += new Vector2(rectTransform.rect.size.x * (rectTransform.pivot.x - 0.5f), rectTransform.rect.size.y * (rectTransform.pivot.y - 0.5f));
imageInfo.position = vertex;
imageInfo.color = color;
_imgInfoList.Add(imageInfo);
if (controlID != -99999)
{
EventInfo e = new EventInfo();
e.controlID = controlID;
e.parameter = parameter;
Vector2 pos = new Vector2(vt1.position.x, minY);
pos *= unitsPerPixel;
pos += new Vector2(rectTransform.rect.size.x * (rectTransform.pivot.x - 0.5f), rectTransform.rect.size.y * (rectTransform.pivot.y - 0.5f));
e.rect = new Rect(pos, new Vector2(imageInfo.size.x, (maxY - minY) * unitsPerPixel));
_eventList.Add(e);
}
maxY = minY;
vt1 = verts[i + 1];
minY = vt1.position.y;
if (newline && i == end - 2)
{
i -= 4;
}
}
}
}
else //匹配到标签头
{
UnderlineInfo tagParser = new UnderlineInfo();
tagParser.content = match.Value;
tagParser.startIndex = match.Index + match.Length; //匹配位置+标签内容到长度
tagHeadStack.Push(tagParser);
}
match = match.NextMatch();
}
}
public void SetMatches(RegexMatches matches, bool showCaptures, string eol)
{
if (matches == null)
{
throw new ArgumentNullException(nameof(matches));
}
string last_text;
RegexMatches last_matches;
bool last_show_captures;
string last_eol;
lock (this)
{
last_text = LastText;
last_matches = LastMatches;
last_show_captures = LastShowCaptures;
last_eol = LastEol;
}
string text = GetBaseTextData(eol).Text;
if (last_matches != null)
{
var old_groups = last_matches.Matches.SelectMany(m => m.Groups).Select(g => (g.Index, g.Length, g.Value));
var new_groups = matches.Matches.SelectMany(m => m.Groups).Select(g => (g.Index, g.Length, g.Value));
if (string.Equals(text, last_text) &&
showCaptures == last_show_captures &&
eol == last_eol &&
new_groups.SequenceEqual(old_groups))
{
lock (this)
{
LastMatches = matches;
LastExternalUnderlineInfo = null;
}
MatchesUpdatedEvent.Set( );
return;
}
}
RecolouringLoop.SendRewind( );
LocalUnderliningLoop.SendRewind( );
ExternalUnderliningLoop.SendRewind( );
lock (this)
{
LastText = text;
LastMatches = matches;
LastShowCaptures = showCaptures;
LastEol = eol;
LastExternalUnderlineInfo = null;
}
MatchesUpdatedEvent.Set( );
RecolouringLoop.SendWaitAndExecute( );
LocalUnderliningLoop.SendWaitAndExecute( );
ExternalUnderliningLoop.SendWaitAndExecute( );
}
void ParseText(string mText)
{
if (_emojiData == null || !Application.isPlaying)
{
_outputText = mText;
return;
}
_builder.Length = 0;
_emojis.Clear();
_hrefs.Clear();
_underlines.Clear();
ClearImages();
MatchCollection matches = Regex.Matches(mText, _regexTag);
if (matches.Count > 0)
{
int textIndex = 0;
int imgIdx = 0;
int rectIdx = 0;
for (int i = 0; i < matches.Count; i++)
{
var match = matches[i];
_matchResult.Parse(match, fontSize);
switch (_matchResult.type)
{
case MatchType.Emoji:
{
SpriteInfo info;
if (_emojiData.TryGetValue(_matchResult.title, out info))
{
_builder.Append(mText.Substring(textIndex, match.Index - textIndex));
int temIndex = _builder.Length;
_builder.Append("<quad size=");
_builder.Append(_matchResult.height);
_builder.Append(" width=");
_builder.Append((_matchResult.width * 1.0f / _matchResult.height).ToString("f2"));
_builder.Append(" />");
_emojis.Add(temIndex, new EmojiInfo()
{
type = MatchType.Emoji,
sprite = info,
width = _matchResult.width,
height = _matchResult.height
});
if (_matchResult.hasUrl)
{
var hrefInfo = new HrefInfo()
{
show = false,
startIndex = temIndex * 4,
endIndex = temIndex * 4 + 3,
url = _matchResult.url,
color = _matchResult.GetColor(color)
};
_hrefs.Add(hrefInfo);
}
textIndex = match.Index + match.Length;
}
break;
}
case MatchType.HyperLink:
{
_builder.Append(mText.Substring(textIndex, match.Index - textIndex));
_builder.Append("<color=");
_builder.Append(_matchResult.GetHexColor(color));
_builder.Append(">");
var href = new HrefInfo();
href.show = true;
href.startIndex = _builder.Length * 4;
_builder.Append(_matchResult.link);
href.endIndex = _builder.Length * 4 - 1;
href.url = _matchResult.url;
href.color = _matchResult.GetColor(color);
_hrefs.Add(href);
_underlines.Add(href);
_builder.Append("</color>");
textIndex = match.Index + match.Length;
break;
}
case MatchType.CustomFill:
case MatchType.Texture:
{
_builder.Append(mText.Substring(textIndex, match.Index - textIndex));
int temIndex = _builder.Length;
_builder.Append("<quad size=");
_builder.Append(_matchResult.height);
_builder.Append(" width=");
_builder.Append((_matchResult.width * 1.0f / _matchResult.height).ToString("f2"));
_builder.Append(" />");
_emojis.Add(temIndex, new EmojiInfo()
{
type = _matchResult.type,
width = _matchResult.width,
height = _matchResult.height,
texture = new TextureInfo()
{
link = _matchResult.link, index = _matchResult.type == MatchType.Texture? imgIdx++ : rectIdx++
}
});
if (_matchResult.hasUrl)
{
var hrefInfo = new HrefInfo()
{
show = false,
startIndex = temIndex * 4,
endIndex = temIndex * 4 + 3,
url = _matchResult.url,
color = _matchResult.GetColor(color)
};
_hrefs.Add(hrefInfo);
//_underlines.Add(hrefInfo);
}
textIndex = match.Index + match.Length;
break;
}
}
}
_builder.Append(mText.Substring(textIndex, mText.Length - textIndex));
_outputText = _builder.ToString();
}
else
{
_outputText = mText;
}
matches = Regex.Matches(_outputText, _regexEffect);
for (int i = 0; i < matches.Count; i++)
{
var match = matches[i];
if (match.Success && match.Groups.Count == 4)
{
string v1 = match.Groups[1].Value;
Color lineColor;
if (!string.IsNullOrEmpty(v1) && ColorUtility.TryParseHtmlString(v1, out lineColor))
{
}
else
{
lineColor = color;
}
var underline = new UnderlineInfo()
{
show = true,
startIndex = match.Groups[2].Index * 4,
endIndex = match.Groups[2].Index * 4 + match.Groups[2].Length * 4 - 1,
color = lineColor
};
_underlines.Add(underline);
}
}
}
