private bool TryProcessAttributesForHeading(BlockProcessor processor, ref StringSlice line, IBlock block)
{
// Try to find if there is any attributes { in the info string on the first line of a FencedCodeBlock
if (line.Start < line.End)
{
int indexOfAttributes = line.IndexOf('{');
if (indexOfAttributes >= 0)
{
// Work on a copy
var copy = line;
copy.Start = indexOfAttributes;
var startOfAttributes = copy.Start;
if (GenericAttributesParser.TryParse(ref copy, out HtmlAttributes? attributes))
{
var htmlAttributes = block.GetAttributes();
attributes.CopyTo(htmlAttributes);
// Update position for HtmlAttributes
htmlAttributes.Line = processor.LineIndex;
htmlAttributes.Column = startOfAttributes - processor.CurrentLineStartPosition; // This is not accurate with tabs!
htmlAttributes.Span.Start = startOfAttributes;
htmlAttributes.Span.End = copy.Start - 1;
line.End = indexOfAttributes - 1;
return(true);
}
}
}
return(false);
}
static internal bool TryFindOperator <T>(StringSlice inSlice, char inSearch, T inOperator, ref int ioFoundIndex, ref T ioFoundOperator, ref int ioFoundOperatorLength) where T : struct, IConvertible
{
if (ioFoundIndex >= 0)
{
return(false);
}
int index = inSlice.IndexOf(inSearch);
if (index >= 0)
{
if (CharRequiresWhitespace(inSearch))
{
if (!HasWhitespaceAt(inSlice, index - 1))
{
return(false);
}
if (!HasWhitespaceAt(inSlice, index + 1))
{
return(false);
}
}
ioFoundOperator = inOperator;
ioFoundIndex = index;
ioFoundOperatorLength = 1;
return(true);
}
return(false);
}
static private void SetReflectedObject(UnityEngine.Object inRoot, string inPath, object inValue)
{
inPath = inPath.Replace("Array.data", "");
// locate the parent object
StringSlice path = inPath;
int lastDot = path.LastIndexOf('.');
if (lastDot < 0)
{
return;
}
StringSlice parentPath = path.Substring(0, lastDot);
StringSlice fieldName = path.Substring(lastDot + 1);
object parentObject = LocateReflectedObject(inRoot, parentPath.ToString());
if (parentObject == null)
{
return;
}
Type objType = parentObject.GetType();
int arrayIdx = -1;
// capture array
if (fieldName.EndsWith(']'))
{
int elementIndexStart = fieldName.IndexOf('[');
int length = fieldName.Length - elementIndexStart - 1;
StringSlice elementIndexSlice = fieldName.Substring(elementIndexStart + 1, length);
arrayIdx = Convert.ToInt32(elementIndexSlice.ToString());
fieldName = fieldName.Substring(0, elementIndexStart);
}
FieldInfo field = objType.GetField(fieldName.ToString(), InstanceBindingFlags);
if (field == null)
{
return;
}
if (arrayIdx >= 0)
{
IList list = field.GetValue(parentObject) as IList;
if (list != null)
{
list[arrayIdx] = inValue;
}
return;
}
field.SetValue(parentObject, inValue);
}
/// <summary>
/// Attempts to parse a StringSlice into a Variant Key.
/// Valid formats are:
/// <list type="bullet">
/// <item>variableId</item>
/// <item>tableId:variableId</item>
/// </list>
/// </summary>
static public bool TryParse(StringSlice inSource, out TableKeyPair outKey)
{
if (inSource.IsEmpty)
{
outKey = default(TableKeyPair);
return(false);
}
inSource = inSource.Trim();
int operatorIdx = inSource.IndexOf(TableOperator);
if (operatorIdx >= 0)
{
int variantIdx = operatorIdx + TableOperator.Length;
if (variantIdx >= inSource.Length)
{
outKey = default(TableKeyPair);
return(false);
}
StringSlice tableId = inSource.Substring(0, operatorIdx).TrimEnd();
StringSlice variantId = inSource.Substring(variantIdx).TrimStart();
if (!VariantUtils.IsValidIdentifier(tableId) || !VariantUtils.IsValidIdentifier(variantId))
{
outKey = default(TableKeyPair);
return(false);
}
outKey = new TableKeyPair(tableId, variantId);
return(true);
}
if (!VariantUtils.IsValidIdentifier(inSource))
{
outKey = default(TableKeyPair);
return(false);
}
outKey = new TableKeyPair(inSource);
return(true);
}
static private string GetLocationFromTrace(string inTrace)
{
foreach (var line in StringSlice.EnumeratedSplit(inTrace, StringUtils.DefaultNewLineChars, StringSplitOptions.RemoveEmptyEntries))
{
int atIndex = line.IndexOf(" (at ");
if (atIndex > 0)
{
StringSlice method = line.Substring(0, atIndex).Trim();
StringSlice location = line.Substring(atIndex + 5);
location = location.Substring(0, location.Length - 1).Trim();
// ignore locations with < or >, these are internal and not helpfuls
if (location.Contains('<') || location.Contains('>'))
{
continue;
}
int param = method.IndexOf('(');
if (param > 0)
{
method = method.Substring(0, param).Trim();
}
int lineNum = 0;
int colon = location.IndexOf(':');
if (colon > 0)
{
StringSlice lineNumStr = location.Substring(colon + 1);
lineNum = StringParser.ParseInt(lineNumStr);
location = location.Substring(0, colon).Trim();
}
int lastSlash = location.LastIndexOf('/');
if (lastSlash >= 0)
{
location = location.Substring(lastSlash + 1);
}
return(string.Format("{0} @{1}:{2}", method, lastSlash, lineNum));
}
}
return(StackTraceDisabledMessage);
}
static private LineResult ParseLine(ref ParseState ioState, StringSlice ioLine)
{
StringSlice lineContents = ioLine.TrimStart(BlockParser.TrimCharsWithSpace).TrimEnd(BlockParser.TrimCharsWithoutSpace);
StringSlice lineComment = StringSlice.Empty;
if (lineContents.IsEmpty)
{
if (ioState.CurrentState != BlockState.InData)
{
return(LineResult.Empty);
}
}
int commentIdx = lineContents.IndexOf(ioState.Rules.CommentPrefix);
if (commentIdx >= 0)
{
lineComment = lineContents.Substring(commentIdx + ioState.Rules.CommentPrefix.Length).TrimStart(BlockParser.TrimCharsWithSpace);
lineContents = lineContents.Substring(0, commentIdx).TrimEnd(BlockParser.TrimCharsWithSpace);
}
try
{
bool bSuccess = true;
bool bProcessedCommand = false;
if (!lineContents.IsEmpty)
{
for (int i = 0; i < ioState.PrefixPriorities.Length && !bProcessedCommand; ++i)
{
PrefixType type = ioState.PrefixPriorities[i];
switch (type)
{
case PrefixType.BlockId:
{
if (lineContents.StartsWith(ioState.Rules.BlockIdPrefix))
{
lineContents = lineContents.Substring(ioState.Rules.BlockIdPrefix.Length);
bSuccess &= TryStartBlock(ref ioState, lineContents);
bProcessedCommand = true;
}
break;
}
case PrefixType.BlockMeta:
{
if (ShouldCheckMeta(ref ioState) && lineContents.StartsWith(ioState.Rules.BlockMetaPrefix))
{
lineContents = lineContents.Substring(ioState.Rules.BlockMetaPrefix.Length);
bSuccess &= TryEvaluateMeta(ref ioState, lineContents);
bProcessedCommand = true;
}
break;
}
case PrefixType.BlockHeaderEnd:
{
if (lineContents.StartsWith(ioState.Rules.BlockHeaderEndPrefix))
{
lineContents = lineContents.Substring(ioState.Rules.BlockHeaderEndPrefix.Length);
bSuccess &= TryEndHeader(ref ioState, lineContents);
bProcessedCommand = true;
}
break;
}
case PrefixType.BlockContent:
{
if (lineContents.StartsWith(ioState.Rules.BlockContentPrefix))
{
lineContents = lineContents.Substring(ioState.Rules.BlockContentPrefix.Length);
bSuccess &= TryAddContent(ref ioState, lineContents);
bProcessedCommand = true;
}
break;
}
case PrefixType.BlockEnd:
{
if (lineContents.StartsWith(ioState.Rules.BlockEndPrefix))
{
lineContents = lineContents.Substring(ioState.Rules.BlockEndPrefix.Length);
bSuccess &= TryEndBlock(ref ioState, lineContents);
bProcessedCommand = true;
}
break;
}
case PrefixType.PackageMeta:
{
if (ShouldCheckPackageMeta(ref ioState) && lineContents.StartsWith(ioState.Rules.PackageMetaPrefix))
{
lineContents = lineContents.Substring(ioState.Rules.PackageMetaPrefix.Length);
bSuccess &= TryEvaluatePackage(ref ioState, lineContents);
bProcessedCommand = true;
}
break;
}
}
}
}
if (!bProcessedCommand)
{
if (ioState.CurrentState == BlockState.InData && ioState.Rules.RequireExplicitBlockContent && !string.IsNullOrEmpty(ioState.Rules.BlockContentPrefix))
{
BlockParser.LogError(ioState.Position, "Cannot add content '{0}', must have content prefix '{1}'", lineContents, ioState.Rules.BlockContentPrefix);
bSuccess = false;
}
else if (!lineContents.IsEmpty || ioState.CurrentState == BlockState.InData)
{
bSuccess &= TryAddContent(ref ioState, lineContents);
}
}
if (!lineComment.IsEmpty)
{
bSuccess &= TryAddComment(ref ioState, lineComment);
}
ioState.Error |= !bSuccess;
return(bSuccess ? LineResult.Error : LineResult.NoError);
}
catch (Exception e)
{
UnityEngine.Debug.LogException(e);
return(LineResult.Exception);
}
}
public void IndexOfTest1()
{
var ss = new StringSlice("0123456789", 3, 4);
Assert.AreEqual(1, ss.IndexOf("45", 0, StringComparison.InvariantCulture));
}
public void IndexOfTest2()
{
var ss = new StringSlice("01234567890123", 0, 10);
Assert.AreEqual(-1, ss.IndexOf("0", 7, StringComparison.InvariantCulture));
}
/// <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;
}
public static MatchedTextRange?SearchInText(
this SearchState state,
StringSlice text,
int?startTextPosition)
{
IRegex re = state.re;
// matched string position
int matchBegin = 0; // index of the first matched char
int matchEnd = 0; // index of following after the last matched one
bool wholeTextMatched = false;
if (!string.IsNullOrEmpty(state.options.Template)) // empty/null template means that text matching isn't required, i.e. match any input
{
int textPos;
if (startTextPosition.HasValue)
{
textPos = startTextPosition.Value;
}
else if (state.options.ReverseSearch)
{
textPos = text.Length;
}
else
{
textPos = 0;
}
for (; ;)
{
if (re != null)
{
if (!re.Match(text, textPos, ref state.searchMatch))
{
return(null);
}
matchBegin = state.searchMatch.Index;
matchEnd = matchBegin + state.searchMatch.Length;
}
else
{
StringComparison cmp = state.options.MatchCase ? StringComparison.CurrentCulture : StringComparison.CurrentCultureIgnoreCase;
int i;
// todo: use running hash
if (state.options.ReverseSearch)
{
i = text.LastIndexOf(state.options.Template, textPos, cmp);
}
else
{
i = text.IndexOf(state.options.Template, textPos, cmp);
}
if (i < 0)
{
return(null);
}
matchBegin = i;
matchEnd = matchBegin + state.options.Template.Length;
}
if (state.options.WholeWord && !IsWordBoundary(text, matchBegin, matchEnd))
{
textPos = state.options.ReverseSearch ? matchBegin : matchEnd;
continue;
}
break;
}
}
else
{
matchBegin = 0;
matchEnd = text.Length;
wholeTextMatched = true;
}
return(new MatchedTextRange(text, matchBegin, matchEnd, wholeTextMatched));
}
