private IEnumerable<MatchWithReplacement> ConvertMatches(string jsonString)
{
Contract.Requires(!string.IsNullOrWhiteSpace(jsonString));
JArray matches = JArray.Parse(jsonString);
Range lastRange = new Range(0,0);
foreach (dynamic match in matches)
{
string content = "" + match.content;
string replacement = "" + match.replacement;
Range range = CreateRangeSafe(lastRange, (int)match.range[0], (int)match.range[1]);
lastRange = range;
yield return new MatchWithReplacement(new Match(content, range), replacement);
}
}
private static Range CreateRangeSafe(Range lastRange, int start, int end)
{
Contract.Requires(lastRange.End <= start);
Contract.Requires(start <= end);
return new Range(start, end);
}
public void ReplaceRanges(IReadOnlyList<MatchWithReplacement> matches, DocumentModel model, Format format)
{
var modifiedRanges = new List<IRange>(matches.Select<Match, IRange>(x => model.OriginalToModifiedRange(x.Range)));
var currentExtraction = Extract(format);
var lookup = new Lookup(model.Content);
var searchResult = lookup.Search(currentExtraction, modifiedRanges);
var lengthDiff = 0;
if (searchResult.Count == 0)
{
throw new MatchesNotFoundException("Lookup returned an empty list. Maybe source document was change by user?", matches, null);
}
for (var i = searchResult.Count - 1; i >= 0; i--)
{
var match = searchResult[i];
var replacement = matches[i].Replacement;
IRange rawRange= ToRawRange(format, currentExtraction, match,false);
var rawOriginalTextLength = (!EncodeContent && format != Format.Text) ? DecodedLength(currentExtraction.Substring(match.Start, match.Length)) : match.Length;
var rawReplacement = (!EncodeContent && format != Format.Text) ? XmlEncode(replacement) : replacement;
if (rawRange.Length == 0)
{
throw new MatchesNotFoundException("", new Match[]{matches[i]}, null);
}
lengthDiff += rawReplacement.Length - rawOriginalTextLength;
ReplaceRawRange(rawRange, rawReplacement, format);
model.Update(matches[i].Range, ((format != Format.Text) ? XmlEncode(replacement) : replacement));
}
var rangeWithTag = new Range(searchResult[0].Start, searchResult[searchResult.Count - 1].End);
IRange range = ToRawRange(format, currentExtraction, rangeWithTag, false);
SelectRawRange(new Range(range.Start, range.End + lengthDiff), format);
}
private IRange ToRawRange(Format format, string currentExtraction, IRange rangeWithTag, bool silent)
{
IRange range;
if (EncodeContent && format != Format.Text)
{
var xmlContentStart = currentExtraction.IndexOf(">") + 1;
var xmlContentEnd = currentExtraction.LastIndexOf("<");
System.Diagnostics.Trace.Assert(xmlContentStart > 0);
System.Diagnostics.Trace.Assert(xmlContentEnd > 0);
if (!silent && !(xmlContentStart <= rangeWithTag.Start && rangeWithTag.End <= xmlContentEnd))
{
throw new RangesNotFoundException(rangeWithTag + " in content: '" + currentExtraction.Substring(rangeWithTag.Start,rangeWithTag.Length) + "' is trying to mark inside tags.", new IRange[]{rangeWithTag}, null);
}
var xmlContent = currentExtraction.Substring(xmlContentStart, xmlContentEnd - xmlContentStart);
var rangeInContentStart = Math.Min(Math.Max(0, rangeWithTag.Start - xmlContentStart), xmlContent.Length);
var rangeInContentLength = Math.Min(rangeWithTag.Length, xmlContent.Length - rangeInContentStart);
var decodedStart = DecodedLength(xmlContent.Substring(0, rangeInContentStart));
var decodedLength = DecodedLength(xmlContent.Substring(rangeInContentStart, rangeInContentLength));
range = new Range(decodedStart, decodedStart + decodedLength);
}
else
{
range = new Range(rangeWithTag.Start, rangeWithTag.End);
}
return range;
}
public void SelectRanges(IReadOnlyList<Match> matches, DocumentModel model, Format format)
{
var modifiedRanges = new List<IRange>(matches.Select<Match, IRange>(x => model.OriginalToModifiedRange(x.Range)));
var currentExtraction = Extract(format);
var lookup = new Lookup(model.Content);
var searchResult = lookup.Search(currentExtraction, modifiedRanges);
if(searchResult.Count == 0)
{
throw new MatchesNotFoundException("Lookup returned an empty list. Maybe source document was change by user?", matches, null);
}
var rangeWithTag = new Range(searchResult[0].Start, searchResult[searchResult.Count - 1].End);
IRange range = ToRawRange(format, currentExtraction, rangeWithTag, false);
SelectRawRange(range, format);
}
internal CheckedEventArgs(string checkId, Range range) : base(checkId)
{
Range = range;
}
