/// <summary>
/// Parses a tag's contents into data.
/// </summary>
static public void Parse(StringSlice inSlice, IDelimiterRules inDelimiters, out TagData outTagData)
{
if (inDelimiters == null)
{
throw new ArgumentNullException("inDelimiters");
}
StringSlice tag = inSlice;
tag = tag.Trim(MinimalWhitespaceChars);
bool bRemovedTagBoundaries = false;
if (tag.StartsWith(inDelimiters.TagStartDelimiter))
{
tag = tag.Substring(inDelimiters.TagStartDelimiter.Length);
bRemovedTagBoundaries = true;
}
if (tag.EndsWith(inDelimiters.TagEndDelimiter))
{
tag = tag.Substring(0, tag.Length - inDelimiters.TagEndDelimiter.Length);
bRemovedTagBoundaries = true;
}
if (bRemovedTagBoundaries)
{
tag = tag.Trim(MinimalWhitespaceChars);
}
if (inSlice.Length == 0)
{
outTagData = default(TagData);
return;
}
ClosingTagState closeState = 0;
char endDelim = inDelimiters.RegionCloseDelimiter;
if (endDelim != 0)
{
if (tag.StartsWith(endDelim))
{
closeState |= ClosingTagState.Start;
tag = tag.Substring(1);
}
if (tag.EndsWith(endDelim))
{
closeState |= ClosingTagState.End;
tag = tag.Substring(0, tag.Length - 1);
}
}
if (closeState != 0)
{
tag = tag.Trim(MinimalWhitespaceChars);
}
char[] dataDelims = inDelimiters.TagDataDelimiters;
int dataDelimIdx = tag.Length;
foreach (var delim in dataDelims)
{
int idx = tag.IndexOf(delim);
if (idx >= 0 && idx < dataDelimIdx)
{
dataDelimIdx = idx;
if (idx <= 0)
{
break;
}
}
}
if (dataDelimIdx >= tag.Length)
{
outTagData.Id = tag;
outTagData.Data = StringSlice.Empty;
}
else
{
outTagData.Id = tag.Substring(0, dataDelimIdx).TrimEnd(MinimalWhitespaceChars);
outTagData.Data = tag.Substring(dataDelimIdx).TrimStart(dataDelims).TrimStart(MinimalWhitespaceChars);
}
outTagData.m_CloseState = closeState;
}
/// <summary>
/// Returns if the given string contains any text or rich text tags.
/// </summary>
static public bool ContainsText(StringSlice inString, IDelimiterRules inDelimiters, IEnumerable <string> inTextTags = null)
{
bool bTrackRichText = inDelimiters.RichText;
bool bTrackTags = !bTrackRichText || !HasSameDelims(inDelimiters, RichTextDelimiters);
int length = inString.Length;
int charIdx = 0;
int richStart = -1;
int tagStart = -1;
int copyStart = 0;
while (charIdx < length)
{
if (bTrackRichText)
{
if (inString.AttemptMatch(charIdx, "<"))
{
richStart = charIdx;
}
else if (inString.AttemptMatch(charIdx, ">"))
{
return(true);
}
}
if (bTrackTags)
{
if (inString.AttemptMatch(charIdx, inDelimiters.TagStartDelimiter))
{
tagStart = charIdx;
}
else if (inString.AttemptMatch(charIdx, inDelimiters.TagEndDelimiter))
{
StringSlice check = inString.Substring(copyStart, tagStart - copyStart);
if (!check.IsWhitespace)
{
return(true);
}
if (inTextTags != null)
{
TagData data = TagData.Parse(inString.Substring(tagStart, charIdx - tagStart + 1), inDelimiters);
foreach (var tag in inTextTags)
{
if (data.Id == tag)
{
return(true);
}
}
}
copyStart = charIdx + 1;
tagStart = -1;
richStart = -1;
}
}
++charIdx;
}
StringSlice finalCheck = inString.Substring(copyStart, length - copyStart);
return(!finalCheck.IsWhitespace);
}
internal bool Evaluate(TagData inData, object inContext, out TagEventData outEvent)
{
outEvent = new TagEventData(m_EventId);
outEvent.IsClosing = inData.IsClosing();
switch (m_DataMode)
{
case DataMode.String:
{
if (inData.Data.IsEmpty)
{
outEvent.StringArgument = m_DefaultString;
}
else
{
outEvent.StringArgument = inData.Data;
}
break;
}
case DataMode.Float:
{
float arg;
if (!StringParser.TryParseFloat(inData.Data, out arg))
{
arg = m_DefaultValue.AsFloat();
}
outEvent.Argument0 = arg;
break;
}
case DataMode.Bool:
{
bool arg;
if (!StringParser.TryParseBool(inData.Data, out arg))
{
arg = m_DefaultValue.AsBool();
}
outEvent.Argument0 = arg;
break;
}
case DataMode.StringHash:
{
StringHash32 arg;
if (!StringHash32.TryParse(inData.Data, out arg))
{
arg = m_DefaultValue.AsStringHash();
}
outEvent.Argument0 = arg;
break;
}
}
if (m_HandleClosing && outEvent.IsClosing)
{
outEvent.Type = m_EventClosingId;
if (m_EventClosingDelegate != null)
{
m_EventClosingDelegate(inData, inContext, ref outEvent);
}
return(true);
}
else
{
if (m_EventDelegate != null)
{
m_EventDelegate(inData, inContext, ref outEvent);
}
return(true);
}
}
protected void ProcessInput(StringSlice inInput, TagString outTarget, object inContext, out bool outbModified)
{
bool bModified = false;
bool bTrackRichText = m_Delimiters.RichText;
bool bTrackTags = !bTrackRichText || !HasSameDelims(m_Delimiters, RichTextDelimiters);
bool bIsCurlyBrace = HasSameDelims(m_Delimiters, CurlyBraceDelimiters);
if (!bTrackRichText && m_EventProcessor == null && m_ReplaceProcessor == null)
{
// if we're not considering rich text, and we have no processors, there's nothing to do here
outTarget.AddNode(TagNodeData.TextNode((uint)inInput.Length));
outbModified = false;
return;
}
ParseState state = new ParseState();
state.Initialize(inInput, outTarget, inContext, m_RichBuilder, m_StrippedBuilder, m_SpliceBuilder);
int length = state.Input.Length;
int charIdx = 0;
while (charIdx < length)
{
bool bHandled = false;
if (bTrackRichText)
{
if (state.Input.AttemptMatch(charIdx, "<"))
{
state.RichStart = charIdx;
}
else if (state.RichStart >= 0 && state.Input.AttemptMatch(charIdx, ">"))
{
StringSlice richSlice = state.Input.Substring(state.RichStart + 1, charIdx - state.RichStart - 1);
TagData richTag = TagData.Parse(richSlice, RichTextDelimiters);
CopyNonRichText(ref state, state.RichStart);
bool bRichHandled = false;
if (RecognizeRichText(richTag, m_Delimiters))
{
CopyRichTag(ref state, charIdx + 1);
if (StringUtils.RichText.GeneratesVisibleCharacter(richTag.Id.ToString()))
{
CopyOnlyNonRichText(ref state, VisibleRichTagChar);
}
bRichHandled = true;
}
else if (!bTrackTags)
{
if (m_ReplaceProcessor != null)
{
string replace;
if (m_ReplaceProcessor.TryReplace(richTag, richSlice, state.Context, out replace))
{
if (ContainsPotentialTags(replace, m_Delimiters))
{
RestartString(ref state, replace, charIdx + 1);
charIdx = -1;
length = state.Input.Length;
}
else
{
SkipText(ref state, charIdx + 1);
AddNonRichText(ref state, replace);
}
bRichHandled = true;
}
}
if (!bRichHandled && m_EventProcessor != null)
{
TagEventData eventData;
if (m_EventProcessor.TryProcess(richTag, state.Context, out eventData))
{
outTarget.AddEvent(eventData);
SkipText(ref state, charIdx + 1);
bRichHandled = true;
}
}
}
if (!bRichHandled)
{
Debug.LogWarningFormat("[TagStringParser] Unrecognized text tag '{0}' in source '{1}'", richSlice, inInput);
CopyNonRichText(ref state, charIdx + 1);
}
else
{
bModified = true;
}
state.RichStart = -1;
state.TagStart = -1;
bHandled = true;
}
}
if (!bHandled && bTrackTags)
{
if (state.Input.AttemptMatch(charIdx, m_Delimiters.TagStartDelimiter))
{
state.TagStart = charIdx;
}
else if (state.TagStart >= 0 && state.Input.AttemptMatch(charIdx, m_Delimiters.TagEndDelimiter))
{
StringSlice tagSlice = state.Input.Substring(state.TagStart + m_Delimiters.TagStartDelimiter.Length, charIdx - state.TagStart + 1 - m_Delimiters.TagEndDelimiter.Length - m_Delimiters.TagStartDelimiter.Length);
TagData tag = TagData.Parse(tagSlice, m_Delimiters);
CopyNonRichText(ref state, state.TagStart);
bool bTagHandled = false;
if (bIsCurlyBrace && tag.Data.IsEmpty)
{
int argIndex;
if (StringParser.TryParseInt(tag.Id, out argIndex))
{
CopyNonRichText(ref state, charIdx + 1);
bTagHandled = true;
}
}
if (!bTagHandled && m_ReplaceProcessor != null)
{
string replace;
if (m_ReplaceProcessor.TryReplace(tag, tagSlice, state.Context, out replace))
{
if (ContainsPotentialTags(replace, m_Delimiters))
{
RestartString(ref state, replace, charIdx + 1);
charIdx = -1;
length = state.Input.Length;
}
else
{
SkipText(ref state, charIdx + 1);
AddNonRichText(ref state, replace);
}
bTagHandled = true;
}
}
if (!bTagHandled && m_EventProcessor != null)
{
TagEventData eventData;
if (m_EventProcessor.TryProcess(tag, state.Context, out eventData))
{
outTarget.AddEvent(eventData);
SkipText(ref state, charIdx + 1);
bTagHandled = true;
}
}
if (!bTagHandled)
{
Debug.LogWarningFormat("[TagStringParser] Unrecognized text tag '{0}' in source '{1}'", tagSlice, inInput);
CopyNonRichText(ref state, charIdx + 1);
}
else
{
bModified = true;
}
state.TagStart = -1;
state.RichStart = -1;
bHandled = true;
}
}
if (!bHandled && state.TagStart == -1 && state.RichStart == -1 && m_ReplaceProcessor != null)
{
string charCodeReplace;
if (m_ReplaceProcessor.TryReplace(state.Input[charIdx], inContext, out charCodeReplace))
{
CopyNonRichText(ref state, charIdx);
if (ContainsPotentialTags(charCodeReplace, m_Delimiters))
{
RestartString(ref state, charCodeReplace, charIdx + 1);
charIdx = -1;
length = state.Input.Length;
}
else
{
SkipText(ref state, charIdx + 1);
AddNonRichText(ref state, charCodeReplace);
}
}
}
++charIdx;
}
CopyNonRichText(ref state, length);
outbModified = bModified;
}
