private static string RemoveCustomTags(string textWithTags)
{
string textWithoutTags = textWithTags;
foreach (var customTag in CustomTagTypes)
{
textWithoutTags = RichTextTag.RemoveTagsFromString(textWithoutTags, customTag);
}
return(textWithoutTags);
}
private static string RemoveUnityTags(string textWithTags)
{
string textWithoutTags = textWithTags;
foreach (var unityTag in UnityTagTypes)
{
textWithoutTags = RichTextTag.RemoveTagsFromString(textWithoutTags, unityTag);
}
return(textWithoutTags);
}
/// <summary>
/// 从字符串中移除富文本标签
/// </summary>
/// <param name="_textWithTags"></param>
/// <param name="_tags"></param>
/// <returns></returns>
private static string RemoveTags(string _textWithTags, string[] _tags)
{
var textWithoutTags = _textWithTags;
foreach (var tag in _tags)
{
textWithoutTags = RichTextTag.RemoveTagsFromString(textWithoutTags, tag);
}
return(textWithoutTags);
}
/// <summary>
/// Gets the typed text at the specified visibleCharacterIndex. This is the text that should be written
/// to the Text component.
/// </summary>
/// <returns>The <see cref="TypedText"/> generated at the specified visible character index.</returns>
/// <param name="text">Text to parse.</param>
/// <param name="visibleCharacterIndex">Visible character index (ignores tags).</param>
public string GetTypedTextAt(string text, int visibleCharacterIndex)
{
var textAsSymbolList = CreateSymbolListFromText(text);
// Split the text into shown and hide strings based on the actual visible characters
int printedCharCount = 0;
var shownText = string.Empty;
var hiddenText = string.Empty;
var lastVisibleCharacter = char.MinValue;
foreach (var symbol in textAsSymbolList)
{
if (printedCharCount <= visibleCharacterIndex)
{
shownText += symbol.Text;
// Keep track of the visible characters that have been printed
if (!symbol.IsTag)
{
lastVisibleCharacter = symbol.Character.ToCharArray()[0];
}
}
else
{
hiddenText += symbol.Text;
}
if (!symbol.IsTag)
{
printedCharCount++;
}
}
var activeTags = GetActiveTagsInSymbolList(textAsSymbolList, visibleCharacterIndex);
// Remove closing tags for active tags from hidden text (move to before color hide tag)
foreach (var activeTag in activeTags)
{
hiddenText = RemoveFirstOccurance(hiddenText, activeTag.ClosingTagText);
}
// Remove all color tags from hidden text so that they don't cause it to be shown
// ex: <color=clear>This should <color=red>be clear</color></color> will show 'be clear" in red
hiddenText = RichTextTag.RemoveTagsFromString(hiddenText, "color");
// Add the hidden text, provided there is text to hide
if (!string.IsNullOrEmpty(hiddenText))
{
var hiddenTag = RichTextTag.ClearColorTag;
hiddenText = hiddenText.Insert(0, hiddenTag.TagText);
hiddenText = hiddenText.Insert(hiddenText.Length, hiddenTag.ClosingTagText);
}
// Add back in closing tags in reverse order
for (int i = 0; i < activeTags.Count; ++i)
{
hiddenText = hiddenText.Insert(0, activeTags[i].ClosingTagText);
}
// Remove all custom tags since Unity will display them when printed (it doesn't recognize them as rich text tags)
var printText = shownText + hiddenText;
foreach (var customTag in CustomTagTypes)
{
printText = RichTextTag.RemoveTagsFromString(printText, customTag);
}
// Calculate Delay, if active
var delay = 0.0f;
foreach (var activeTag in activeTags)
{
if (activeTag.TagType == "delay")
{
try
{
delay = activeTag.IsOpeningTag ? float.Parse(activeTag.Parameter) : 0.0f;
}
catch (System.FormatException e)
{
var warning = string.Format(
"TypedTextGenerator found Invalid paramter format in tag [{0}]. " +
"Parameter [{1}] does not parse to a float. Exception: {2}",
activeTag,
activeTag.Parameter,
e);
Debug.Log(warning);
delay = 0.0f;
}
}
}
return(printText);
}