Пример #1
0
        private void ApplyDescriptor(string text, int indexOfTextArgInSourceCode, SyntaxHighlightDescriptor descriptor, HighlightJobCollection jobs)
        {
            if (descriptor.Pattern == null)
            {
                var job = new HighlightJob(descriptor.ColorKey, indexOfTextArgInSourceCode, text.Length);
                jobs.TryInsert(job);
                return;
            }

            var matches = descriptor.Pattern.Matches(text);

            if (matches.Count == 0)
            {
                return;
            }
            foreach (Match match in matches)
            {
                CancellationToken?.ThrowIfCancellationRequested();
                var job                     = new HighlightJob(descriptor.ColorKey, indexOfTextArgInSourceCode + match.Index, match.Length);
                var insertionPoint          = jobs.GetInsertionPoint(job);
                var processChildDescriptors = (insertionPoint >= 0) && (descriptor.CapturedGroups != null);
                if (processChildDescriptors)
                {
                    // because regex groups can't overlap, we do not require the added constraint provided by HighlightJobCollection.
                    // A simple List<HighlightJob> is sufficient
                    var childJobs = new List <HighlightJob>();
                    for (var i = 1; i < match.Groups.Count; ++i)
                    {
                        if (descriptor.CapturedGroups.TryGetValue(i, out var childDescriptors))
                        {
                            childJobs.AddRange(ApplyDescriptors(match.Groups[i].Value, indexOfTextArgInSourceCode + match.Groups[i].Index, childDescriptors));
                        }
                    }
                    job.ChildJobs = childJobs;
                }

                //  A job without a color key leaves its portion of text up for grabs by other jobs.
                //  The portion of its text used by its child jobs (if any) are not available to other jobs
                if (!string.IsNullOrEmpty(job.ColorKey) && insertionPoint >= 0)
                {
                    jobs.Insert(insertionPoint, job);
                }
                else if (processChildDescriptors)
                {
                    jobs.AddJobs(job.ChildJobs);
                }
            }
        }
Пример #2
0
 public bool IsAfter(HighlightJob other)
 {
     return(other.StartIndex + other.Length <= StartIndex);
 }
Пример #3
0
 public bool IsBefore(HighlightJob other)
 {
     return(StartIndex + Length <= other.StartIndex);
 }