public IList <TextRange> FindAll(
TextFragment textFragment,
Func <TextRange, TextRange?> postProcess,
IOperationProgressTracker progressTracker)
{
return(NoResult);
}
public IList<TextRange> FindAll(
CompiledTextSearchData compiledTextSearchData,
IOperationProgressTracker progressTracker) {
return _fileContents.FindAll(
compiledTextSearchData,
_textRange,
progressTracker);
}
public IList <TextRange> FindAll(
CompiledTextSearchData compiledTextSearchData,
IOperationProgressTracker progressTracker)
{
return(_fileContents.FindAll(
compiledTextSearchData,
_textRange,
progressTracker));
}
private unsafe List <TextRange> FindWorker(
TextFragment textFragment,
Func <TextRange, TextRange?> postProcess,
IOperationProgressTracker progressTracker,
int maxResultSize)
{
List <TextRange> result = null;
// Note: From C# spec: If E is zero, then no allocation is made, and
// the pointer returned is implementation-defined.
byte *searchBuffer = stackalloc byte[this.SearchBufferSize];
var searchParams = new NativeMethods.SearchParams {
TextStart = textFragment.StartPtr,
TextLength = textFragment.Length,
SearchBuffer = new IntPtr(searchBuffer),
};
while (true)
{
// Perform next search
Search(ref searchParams);
if (searchParams.MatchStart == IntPtr.Zero)
{
break;
}
// Convert match from *byte* pointers to a *text* range
var matchFragment = textFragment.Sub(searchParams.MatchStart, searchParams.MatchLength);
var matchRange = new TextRange(matchFragment.Position, matchFragment.Length);
// Post process match, maybe skipping it
var postMatchRange = postProcess(matchRange);
if (postMatchRange == null)
{
continue;
}
matchRange = postMatchRange.Value;
// Add to result collection
if (result == null)
{
result = new List <TextRange>();
}
result.Add(matchRange);
// Check it is time to end processing early.
maxResultSize--;
progressTracker.AddResults(1);
if (maxResultSize <= 0 || progressTracker.ShouldEndProcessing)
{
CancelSearch(ref searchParams);
break;
}
}
return(result ?? NoResult);
}
public TextRange?FindFirst(TextFragment textFragment, IOperationProgressTracker progressTracker)
{
var result = FindWorker(textFragment, x => x, progressTracker, 1);
if (result.Count == 0)
{
return(null);
}
return(result.First());
}
/// <summary>
/// Find all instances of the search pattern stored in <paramref
/// name="compiledTextSearchData"/> within the passed in <paramref
/// name="textRange"/>
/// </summary>
public IList<TextRange> FindAll(
CompiledTextSearchData compiledTextSearchData,
TextRange textRange,
IOperationProgressTracker progressTracker) {
var textFragment = CreateFragmentFromRange(textRange);
var providerForMainEntry = compiledTextSearchData
.GetSearchContainer(compiledTextSearchData.ParsedSearchString.MainEntry);
var textSearch = GetCompiledTextSearch(providerForMainEntry);
var postProcessSearchHit = CreateFilterForOtherEntries(compiledTextSearchData);
var result = textSearch.FindAll(textFragment, postProcessSearchHit, progressTracker);
return result;
}
/// <summary>
/// Find all instances of the search pattern stored in <paramref
/// name="compiledTextSearchData"/> within the passed in <paramref
/// name="textRange"/>
/// </summary>
public IList <TextRange> FindAll(
CompiledTextSearchData compiledTextSearchData,
TextRange textRange,
IOperationProgressTracker progressTracker)
{
var textFragment = CreateFragmentFromRange(textRange);
var providerForMainEntry = compiledTextSearchData
.GetSearchContainer(compiledTextSearchData.ParsedSearchString.MainEntry);
var textSearch = GetCompiledTextSearch(providerForMainEntry);
var postProcessSearchHit = CreateFilterForOtherEntries(compiledTextSearchData);
var result = textSearch.FindAll(textFragment, postProcessSearchHit, progressTracker);
return(result);
}
private unsafe List<TextRange> FindWorker(
TextFragment textFragment,
Func<TextRange, TextRange?> postProcess,
IOperationProgressTracker progressTracker,
int maxResultSize) {
List<TextRange> result = null;
// Note: From C# spec: If E is zero, then no allocation is made, and
// the pointer returned is implementation-defined.
byte* searchBuffer = stackalloc byte[this.SearchBufferSize];
var searchParams = new NativeMethods.SearchParams {
TextStart = textFragment.StartPtr,
TextLength = textFragment.Length,
SearchBuffer = new IntPtr(searchBuffer),
};
while (true) {
// Perform next search
Search(ref searchParams);
if (searchParams.MatchStart == IntPtr.Zero)
break;
// Convert match from *byte* pointers to a *text* range
var matchFragment = textFragment.Sub(searchParams.MatchStart, searchParams.MatchLength);
var matchRange = new TextRange(matchFragment.Position, matchFragment.Length);
// Post process match, maybe skipping it
var postMatchRange = postProcess(matchRange);
if (postMatchRange == null)
continue;
matchRange = postMatchRange.Value;
// Add to result collection
if (result == null)
result = new List<TextRange>();
result.Add(matchRange);
// Check it is time to end processing early.
maxResultSize--;
progressTracker.AddResults(1);
if (maxResultSize <= 0 || progressTracker.ShouldEndProcessing) {
CancelSearch(ref searchParams);
break;
}
}
return result ?? NoResult;
}
public TextRange? FindFirst(TextFragment textFragment, IOperationProgressTracker progressTracker) {
return null;
}
public IList<TextRange> FindAll(
TextFragment textFragment,
Func<TextRange, TextRange?> postProcess,
IOperationProgressTracker progressTracker) {
return NoResult;
}
public IList <TextRange> FindAll(TextFragment textFragment, Func <TextRange, TextRange?> postProcess, IOperationProgressTracker progressTracker)
{
if (progressTracker.ShouldEndProcessing)
{
return(NoResult);
}
return(FindWorker(textFragment, postProcess, progressTracker, int.MaxValue));
}
public TextRange?FindFirst(TextFragment textFragment, IOperationProgressTracker progressTracker)
{
return(null);
}
public TextRange? FindFirst(TextFragment textFragment, IOperationProgressTracker progressTracker) {
var result = FindWorker(textFragment, x => x, progressTracker, 1);
if (result.Count == 0)
return null;
return result.First();
}
public IList<TextRange> FindAll(TextFragment textFragment, Func<TextRange, TextRange?> postProcess, IOperationProgressTracker progressTracker) {
if (progressTracker.ShouldEndProcessing)
return NoResult;
return FindWorker(textFragment, postProcess, progressTracker, int.MaxValue);
}
