protected override bool ScanSpanEnd(Mono.TextEditor.Highlighting.Span cur, ref int i)
{
if (spanStack.Any(s => s is CodeDeclarationSpan) && i + 9 <= doc.TextLength && doc.GetTextAt(i, 9) == "</script>")
{
while (!(spanStack.Peek() is CodeDeclarationSpan))
{
FoundSpanEnd(spanStack.Peek(), i, 0);
}
cur = spanStack.Peek();
FoundSpanEnd(cur, i, "</script>".Length);
i += "</script>".Length - 1;
return(true);
}
if (spanStack.Any(s => s is CodeExpressionSpan) && i + 2 < doc.TextLength && doc.GetTextAt(i, 2) == "%>")
{
while (!(spanStack.Peek() is CodeExpressionSpan))
{
FoundSpanEnd(spanStack.Peek(), i, 0);
}
cur = spanStack.Peek();
FoundSpanEnd(cur, i, 2);
return(true);
}
return(base.ScanSpanEnd(cur, ref i));
}
protected override bool ScanSpanEnd(Mono.TextEditor.Highlighting.Span cur, ref int i)
{
if (cur is IfBlockSpan || cur is ElseIfBlockSpan || cur is ElseBlockSpan)
{
int textOffset = i - StartOffset;
bool end = CurText.IsAt(textOffset, "#endif");
if (end)
{
FoundSpanEnd(cur, i, 6); // put empty end tag in
// if we're in a complex span stack pop it up to the if block
if (spanStack.Count > 0)
{
var prev = spanStack.Peek();
if ((cur is ElseIfBlockSpan || cur is ElseBlockSpan) && (prev is ElseIfBlockSpan || prev is IfBlockSpan))
{
PopCurrentIfBlock();
}
}
}
return(end);
}
return(base.ScanSpanEnd(cur, ref i));
}
protected override bool ScanSpanEnd(Mono.TextEditor.Highlighting.Span cur, ref int i)
{
if (cur is IfBlockSpan || cur is ElseIfBlockSpan || cur is ElseBlockSpan)
{
int textOffset = i - StartOffset;
bool end = CurText.IsAt(textOffset, "#endif");
if (end)
{
FoundSpanEnd(cur, i, 6); // put empty end tag in
while (spanStack.Count > 0 && (spanStack.Peek() is IfBlockSpan || spanStack.Peek() is ElseIfBlockSpan || spanStack.Peek() is ElseBlockSpan))
{
spanStack.Pop();
if (ruleStack.Count > 1) // rulStack[1] is always syntax mode
{
ruleStack.Pop();
}
}
}
return(end);
}
return(base.ScanSpanEnd(cur, ref i));
}
protected override bool ScanSpanEnd(Mono.TextEditor.Highlighting.Span cur, ref int i)
{
if (cur is IfBlockSpan || cur is ElseIfBlockSpan || cur is ElseBlockSpan)
{
bool end = i + 6 <= doc.Length && doc.GetTextAt(i, 6) == "#endif";
if (end)
{
OnFoundSpanEnd(cur, i, 6); // put empty end tag in
while (spanStack.Count > 0 && !(spanStack.Peek() is IfBlockSpan))
{
spanStack.Pop();
if (ruleStack.Count > 1) // rulStack[1] is always syntax mode
{
ruleStack.Pop();
}
}
if (spanStack.Count > 0)
{
spanStack.Pop();
}
if (ruleStack.Count > 1) // rulStack[1] is always syntax mode
{
ruleStack.Pop();
}
/* // put pre processor eol span on stack, so that '#endif' gets the correct highlight
* foreach (Span span in mode.Spans) {
* if (span.Rule == "text.preprocessor") {
* OnFoundSpanBegin (span, i, 6);
* spanStack.Push (span);
* ruleStack.Push (GetRule (span));
* break;
* }
* }*/
}
return(end);
}
return(base.ScanSpanEnd(cur, ref i));
}
public FSharpSpanParser(Document doc, SyntaxMode mode, LineSegment line, Stack<Span> spanStack)
: base(doc, mode, line, spanStack)
{
foreach (Span span in mode.Spans) {
if (span.Rule == "text.preprocessor") {
preprocessorSpan = span;
preprocessorRule = GetRule (span);
}
}
}
bool EndsWithContinuation (Span span, LineSegment line)
{
return !span.StopAtEol || span.StopAtEol && !string.IsNullOrEmpty (span.Continuation) &&
line != null && doc.GetTextAt (line).Trim ().EndsWith (span.Continuation);
}
public void FoundSpanEnd (Span span, int offset, int length)
{
curChunk.Length = offset - curChunk.Offset;
curChunk.Style = GetStyle (curChunk) ?? GetChunkStyle (span);
AddChunk (ref curChunk, 0, defaultStyle);
curChunk.Offset = offset;
curChunk.Length = length;
curChunk.Style = span.TagColor ?? GetChunkStyle (span);
AddChunk (ref curChunk, 0, defaultStyle);
spanParser.PopSpan ();
}
protected override bool ScanSpanEnd(Span cur, ref int i)
{
return base.ScanSpanEnd(cur, ref i);
}
protected virtual bool ScanSpanEnd (Span cur, ref int i)
{
int textOffset = i - StartOffset;
if (cur.End != null) {
RegexMatch match = cur.End.TryMatch (CurText, textOffset);
if (match.Success) {
FoundSpanEnd (cur, i, match.Length);
i += match.Length - 1;
return true;
}
}
if (cur.Exit != null) {
RegexMatch match = cur.Exit.TryMatch (CurText, textOffset);
if (match.Success) {
FoundSpanExit (cur, i, match.Length);
i += match.Length - 1;
return true;
}
}
return false;
}
public void FoundSpanBegin (Span span, int offset, int length)
{
curChunk.Length = offset - curChunk.Offset;
curChunk.Style = GetStyle (curChunk);
if (string.IsNullOrEmpty (curChunk.Style)) {
// Span tmpSpan = spanParser.SpanStack.Count > 0 ? spanParser.SpanStack.Pop () : null;
curChunk.Style = GetSpanStyle ();
// if (tmpSpan != null)
// spanParser.SpanStack.Push (tmpSpan);
}
AddChunk (ref curChunk, 0, curChunk.Style);
Rule spanRule = spanParser.GetRule (span);
if (spanRule == null)
throw new Exception ("Rule " + span.Rule + " not found in " + span);
spanParser.PushSpan (span, spanRule);
curChunk.Offset = offset;
curChunk.Length = length;
curChunk.Style = span.TagColor ?? GetChunkStyle (span);
curChunk.SpanStack.Push (span);
AddChunk (ref curChunk, 0, curChunk.Style);
foreach (SemanticRule semanticRule in spanRule.SemanticRules) {
semanticRule.Analyze (this.doc, line, curChunk, offset, line.EndOffset);
}
}
void DefaultFoundSpanBegin (Span span, int offset, int length)
{
PushSpan (span, GetRule (span));
}
public void PushSpan (Span span, Rule rule)
{
spanStack.Push (span);
ruleStack.Push (rule);
this.CurRule = rule;
this.CurSpan = span;
}
protected override bool ScanSpanEnd(Mono.TextEditor.Highlighting.Span cur, ref int i)
{
JayBlockSpan jbs = cur as JayBlockSpan;
int textOffset = i - StartOffset;
if (jbs != null)
{
if (CurText[textOffset] == '}')
{
int brackets = 0;
bool isInString = false, isInChar = false, isVerbatimString = false;
bool isInLineComment = false, isInBlockComment = false;
for (int j = jbs.Offset; j <= i; j++)
{
char ch = doc.GetCharAt(j);
switch (ch)
{
case '\n':
case '\r':
isInLineComment = false;
if (!isVerbatimString)
{
isInString = false;
}
break;
case '/':
if (isInBlockComment)
{
if (j > 0 && doc.GetCharAt(j - 1) == '*')
{
isInBlockComment = false;
}
}
else if (!isInString && !isInChar && j + 1 < doc.TextLength)
{
char nextChar = doc.GetCharAt(j + 1);
if (nextChar == '/')
{
isInLineComment = true;
}
if (!isInLineComment && nextChar == '*')
{
isInBlockComment = true;
}
}
break;
case '\\':
if (isInChar || (isInString && !isVerbatimString))
{
j++;
}
break;
case '@':
if (!(isInString || isInChar || isInLineComment || isInBlockComment) && j + 1 < doc.TextLength && doc.GetCharAt(j + 1) == '"')
{
isInString = true;
isVerbatimString = true;
j++;
}
break;
case '"':
if (!(isInChar || isInLineComment || isInBlockComment))
{
if (isInString && isVerbatimString && j + 1 < doc.TextLength && doc.GetCharAt(j + 1) == '"')
{
j++;
}
else
{
isInString = !isInString;
isVerbatimString = false;
}
}
break;
case '\'':
if (!(isInString || isInLineComment || isInBlockComment))
{
isInChar = !isInChar;
}
break;
case '{':
if (!(isInString || isInChar || isInLineComment || isInBlockComment))
{
brackets++;
}
break;
case '}':
if (!(isInString || isInChar || isInLineComment || isInBlockComment))
{
brackets--;
}
break;
}
}
if (brackets == 0)
{
FoundSpanEnd(cur, i, 1);
return(true);
}
return(false);
}
}
if (cur is ForcedJayBlockSpan)
{
if (textOffset + 1 < CurText.Length && CurText[textOffset] == '%' && CurText[textOffset + 1] == '}')
{
FoundSpanEnd(cur, i, 2);
return(true);
}
}
if (cur is JayDefinitionSpan)
{
if (textOffset + 1 < CurText.Length && CurText[textOffset] == '%' && CurText[textOffset + 1] == '%')
{
FoundSpanEnd(cur, i, 2);
return(true);
}
}
return(base.ScanSpanEnd(cur, ref i));
}
public virtual void OnFoundSpanBegin (Span span, int offset, int length)
{
if (FoundSpanBegin != null)
FoundSpanBegin (span, offset, length);
}
public void FoundSpanBegin (Span span, int offset, int length)
{
curChunk.Length = offset - curChunk.Offset;
curChunk.Style = GetStyle (curChunk) ?? GetSpanStyle ();
AddChunk (ref curChunk, 0, curChunk.Style);
curChunk.Offset = offset;
curChunk.Length = length;
curChunk.Style = GetChunkStyle (span);
AddChunk (ref curChunk, 0, curChunk.Style);
Rule spanRule = spanParser.GetRule (span);
if (spanRule == null)
throw new Exception ("Rule " + span.Rule + " not found in " + span);
foreach (SemanticRule semanticRule in spanRule.SemanticRules) {
semanticRule.Analyze (this.doc, line, curChunk, offset, line.EndOffset);
}
}
protected virtual bool ScanSpanEnd (Span cur, int i)
{
if (cur.End != null) {
RegexMatch match = cur.End.TryMatch (doc, i);
if (match.Success) {
OnFoundSpanEnd (cur, i, match.Length);
spanStack.Pop ();
if (ruleStack.Count > 1) // rulStack[1] is always syntax mode
ruleStack.Pop ();
return true;
}
}
if (cur.Exit != null) {
RegexMatch match = cur.Exit.TryMatch (doc, i);
if (match.Success) {
spanStack.Pop ();
if (ruleStack.Count > 1) // rulStack[1] is always syntax mode
ruleStack.Pop ();
OnFoundSpanExit (cur, i, match.Length);
return true;
}
}
return false;
}
public virtual void OnFoundSpanEnd (Span span, int offset, int length)
{
if (FoundSpanEnd != null)
FoundSpanEnd (span, offset, length);
}
public static Span CreatePreprocessorSpan ()
{
var result = new Span ();
result.TagColor = "text.preprocessor";
result.Color = "text.preprocessor";
result.Rule = "String";
result.StopAtEol = true;
return result;
}
public void PushSpan (Span span, Rule rule)
{
spanStack.Push (span);
ruleStack.Push (rule);
CurRule = rule;
CurSpan = span;
if (rule.Name == "InterpolatedString" || rule.Name == "InterpolatedVerbatimString")
interpolatedBraces.Push(0);
}
void DefaultFoundSpanEnd (Span span, int offset, int length)
{
PopSpan ();
}
protected virtual bool ScanSpanEnd (Span cur, ref int i)
{
int textOffset = i - StartOffset;
if (cur.End != null) {
if (interpolatedBraces.Count > 0) {
char ch = CurText [textOffset];
if (ch == '{')
interpolatedBraces.Push (interpolatedBraces.Pop () + 1);
else if (ch == '}')
interpolatedBraces.Push (interpolatedBraces.Pop () - 1);
if (interpolatedBraces.Peek () >= 1)
return false;
}
RegexMatch match = cur.End.TryMatch (CurText, textOffset);
if (match.Success) {
FoundSpanEnd (cur, i, match.Length);
i += System.Math.Max (0, match.Length - 1);
return true;
}
}
if (cur.Exit != null) {
RegexMatch match = cur.Exit.TryMatch (CurText, textOffset);
if (match.Success) {
FoundSpanExit (cur, i, match.Length);
i += System.Math.Max (0, match.Length - 1);
return true;
}
}
return false;
}
public Rule GetRule (Span span)
{
if (string.IsNullOrEmpty (span.Rule))
return new Rule (mode);
return CurRule.GetRule (span.Rule);
}
protected override bool ScanSpanEnd(Span cur, ref int i)
{
int textOffset = i - StartOffset;
if (cur.End != null && (cur.Rule == "Table" || cur.Rule == "TableHeader")) {
if (cur.Rule == "Table") {
if (CurText [textOffset] != cur.End.Pattern [0] || CurText.Skip (textOffset + 1).Any (e => e == cur.End.Pattern [0])) {
return false;
}
}
if (cur.Rule == "TableHeader") {
if (textOffset != 0 || (!string.IsNullOrWhiteSpace(CurText) && CurText.First (ch => !char.IsWhiteSpace (ch)) == cur.End.Pattern [0])) {
return false;
}
}
FoundSpanEnd (cur, i, 1);
return true;
}
if (cur.End != null) {
RegexMatch match = cur.End.TryMatch (CurText, textOffset);
if (match.Success) {
FoundSpanEnd (cur, i, match.Length);
i += Math.Max (0, match.Length - 1);
return true;
}
}
if (cur.Exit != null) {
RegexMatch match = cur.Exit.TryMatch (CurText, textOffset);
if (match.Success) {
FoundSpanExit (cur, i, match.Length);
i += -1;
return true;
}
}
return false;
}
string GetChunkStyle (Span span)
{
if (span == null)
return GetSpanStyle ();
return span.Color ?? GetSpanStyle ();
}
public Span Clone ()
{
var newSpan = new Span ();
if (Begin != null)
newSpan.Begin = Begin.Clone ();
newSpan.BeginFlags = BeginFlags;
newSpan.Color = Color;
newSpan.Continuation = Continuation;
if (End != null)
newSpan.End = End.Clone ();
newSpan.EndFlags = EndFlags;
newSpan.Escape = Escape;
if (Exit != null)
newSpan.Exit = Exit.Clone ();
newSpan.ExitFlags = ExitFlags;
newSpan.NextColor = NextColor;
newSpan.Rule = Rule;
newSpan.StopAtEol = StopAtEol;
newSpan.TagColor = TagColor;
newSpan.BeginTagColor = beginTagColor;
newSpan.EndTagColor = endTagColor;
return newSpan;
}
public void FoundSpanExit (Span span, int offset, int length)
{
curChunk.Length = offset - curChunk.Offset;
AddChunk (ref curChunk, 0, GetChunkStyle (span));
spanParser.PopSpan ();
}
public static Span Read (XmlReader reader)
{
Span result = new Span ();
result.Rule = reader.GetAttribute ("rule");
result.Color = reader.GetAttribute ("color");
result.TagColor = reader.GetAttribute ("tagColor");
result.NextColor = reader.GetAttribute ("nextColor");
result.Escape = reader.GetAttribute ("escape");
string stopateol = reader.GetAttribute ("stopateol");
if (!String.IsNullOrEmpty (stopateol)) {
result.StopAtEol = Boolean.Parse (stopateol);
}
if (reader.LocalName == AltNode) {
AddFlags (result.BeginFlags, reader.GetAttribute ("flags"));
result.Continuation = reader.GetAttribute ("continuation");
result.Begin = new Regex (reader.ReadElementString ());
result.StopAtEol = true;
} else {
XmlReadHelper.ReadList (reader, Node, delegate () {
switch (reader.LocalName) {
case "Begin":
AddFlags (result.BeginFlags, reader.GetAttribute ("flags"));
result.Begin = new Regex (reader.ReadElementString ());
return true;
case "End":
AddFlags (result.EndFlags, reader.GetAttribute ("flags"));
result.End = new Regex (reader.ReadElementString ());
return true;
case "Exit":
AddFlags (result.ExitFlags, reader.GetAttribute ("flags"));
result.Exit = new Regex (reader.ReadElementString ());
return true;
}
return false;
});
}
return result;
}
bool EndsWithContinuation (Span span, DocumentLine line)
{
return !span.StopAtEol || span.StopAtEol && !string.IsNullOrEmpty (span.Continuation) &&
line != null && doc.GetTextAt (line).Trim ().EndsWith (span.Continuation, StringComparison.Ordinal);
}
static bool IsEqual (Span[] spans1, Span[] spans2)
{
if (spans1 == null || spans1.Length == 0)
return spans2 == null || spans2.Length == 0;
if (spans2 == null || spans1.Length != spans2.Length)
return false;
for (int i = 0; i < spans1.Length; i++) {
if (spans1[i] != spans2[i]) {
return false;
}
}
return true;
}
