// <summary>This method is applicable only to objects represnting types and
// checks if this type is the same or subtype of specified type</summary>
/// <param name="superType">version history representing object type</param>
/// <param name="kind">search kind</param>
/// <param name="timestamp">timestamp used to locate version</param>
/// <returns>true if this type is the same or is subtype of specified type</returns>
public bool IsSubTypeOf(VersionHistory superType, SearchKind kind, DateTime timestamp)
{
if (vh == superType)
{
return true;
}
foreach (VersionHistory subtype in this[Symbols.Subtype])
{
if (kind == SearchKind.AllVersions)
{
foreach (Thing type in subtype.versions)
{
if (type.IsSubTypeOf(superType, kind, timestamp))
{
return true;
}
}
}
else
{
Thing type = subtype.GetVersion(kind, timestamp);
if (type != null && type.IsSubTypeOf(superType, kind, timestamp))
{
return true;
}
}
}
return false;
}
public ContactSearchArguments(string filter, SearchKind searchKind, FilterKind filterKind, object state)
{
this.Filter = filter;
this.FilterKind = filterKind;
this.SearchKind = searchKind;
this.State = state;
}
private SearchQuery(string name, SearchKind kind)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
Name = name;
Kind = kind;
switch (kind)
{
case SearchKind.Exact:
_predicate = s => StringComparer.Ordinal.Equals(name, s);
break;
case SearchKind.ExactIgnoreCase:
_predicate = s => CaseInsensitiveComparison.Comparer.Equals(name, s);
break;
case SearchKind.Fuzzy:
// Create a single WordSimilarityChecker and capture a delegate reference to
// its 'AreSimilar' method. That way we only create the WordSimilarityChecker
// once and it can cache all the information it needs while it does the AreSimilar
// check against all the possible candidates.
var editDistance = new WordSimilarityChecker(name);
_predicate = editDistance.AreSimilar;
break;
}
}
private FindOptions CreateFindOptions(string pattern, SearchKind kind, SearchOptions options)
{
var searchData = new SearchData(pattern, SearchOffsetData.None, kind, options);
var serviceSearchData = _searchRaw.GetServiceSearchData(searchData, _wordNavigator);
var findData = SearchService.ConvertToFindDataCore(serviceSearchData, _textBuffer.CurrentSnapshot);
Assert.True(findData.IsResult);
return findData.AsResult().FindOptions;
}
/// <summary>
/// Get version correponding to the specified search kind and timestamp
/// </summary>
/// <param name="kind">One of SearchKind.LAtestVersion, SearchKind.LatestBefore and SearchKind.OldestAfter</param>
/// <param name="timestamp"></param>
/// <returns>Version natching time criteria or null if not found</returns>
public Thing GetVersion(SearchKind kind, DateTime timestamp)
{
switch (kind)
{
case SearchKind.LatestVersion:
return Latest;
case SearchKind.LatestBefore:
return GetLatestBefore(timestamp);
case SearchKind.OldestAfter:
return GetOldestAfter(timestamp);
default:
throw new InvalidOperationException("Invalid search kind " + kind + " for VersionHistory.GetVersion");
}
}
public SearchResult(DatabaseRoot root, VersionHistory type, string uri, NameVal[] patterns, SearchKind kind, DateTime timestamp, IEnumerator iterator)
{
this.root = root;
this.type = type;
this.uri = uri;
this.patterns = patterns;
this.kind = kind;
this.timestamp = timestamp;
this.iterator = iterator;
}
/// <summary>Check if object belongs to the partiular type</summary>
/// <param name="superType">version history representing object type</param>
/// <param name="kind">search kind</param>
/// <param name="timestamp">timestamp used to locate version</param>
/// <returns>true if type of the object is the same or is subtype of specified type</returns>
public bool IsInstanceOf(VersionHistory superType, SearchKind kind, DateTime timestamp)
{
return type.IsSubTypeOf(superType, kind, timestamp);
}
public ReferenceIterator(DatabaseRoot root, PropDef[] defs, IEnumerator iterator, SearchKind kind, DateTime timestamp)
{
this.root = root;
this.defs = defs;
this.kind = kind;
this.timestamp = timestamp;
iterators = new IEnumerator[defs.Length + 1];
iterators[iterators.Length - 1] = iterator;
Reset();
}
FindOptions GetFindOptions(SearchKind searchKind, bool? forward) {
Debug.Assert(searchKind != SearchKind.None);
var options = FindOptions.None;
switch (searchKind) {
case SearchKind.Find:
case SearchKind.Replace:
if (MatchCase)
options |= FindOptions.MatchCase;
if (UseRegularExpressions)
options |= FindOptions.UseRegularExpressions;
if (MatchWholeWords)
options |= FindOptions.WholeWord;
break;
case SearchKind.IncrementalSearchBackward:
case SearchKind.IncrementalSearchForward:
if (SearchString.Any(c => char.IsUpper(c)))
options |= FindOptions.MatchCase;
if (forward == null)
forward = searchKind == SearchKind.IncrementalSearchForward;
break;
default:
throw new ArgumentOutOfRangeException(nameof(searchKind));
}
if (forward == false)
options |= FindOptions.SearchReverse;
if ((options & FindOptions.UseRegularExpressions) != 0) {
if (IsMultiLineRegexPattern(SearchString))
options |= FindOptions.Multiline;
else
options |= FindOptions.SingleLine;
}
options |= FindOptions.Wrap | FindOptions.OrdinalComparison;
return options;
}
void SetSearchKind(SearchKind value) {
Debug.Assert(value != SearchKind.None);
if (IsSearchControlVisible && searchKind == value)
return;
searchKind = value;
if (searchKind == SearchKind.IncrementalSearchForward || searchKind == SearchKind.IncrementalSearchBackward) {
wpfTextView.VisualElement.Focus();
if (!inIncrementalSearch)
wpfTextView.Caret.PositionChanged += Caret_PositionChanged;
inIncrementalSearch = true;
}
else
CleanUpIncrementalSearch();
OnPropertyChanged(nameof(ShowReplaceRow));
OnPropertyChanged(nameof(ShowOptionsRow));
OnPropertyChanged(nameof(IsReplaceMode));
OnPropertyChanged(nameof(CanReplace));
}
private FindOptions CreateFindOptions(string pattern, SearchKind kind, SearchOptions options)
{
var searchData = new SearchData(pattern, kind, options);
var findData = _searchRaw.ConvertToFindData(searchData, _textBuffer.CurrentSnapshot, _wordNavigator);
Assert.True(findData.IsSome());
return findData.Value.FindOptions;
}
private IEnumerable SearchReferenceProperty(VersionHistory type, string uri, NameVal[] patterns, SearchKind kind, DateTime timestamp, NameVal prop, bool compound, PropDef def, ArrayList refs)
{
refs.Add(def);
NameVal[] restOfPatterns = compound ? patterns : SubArray(patterns);
object val = prop.val;
switch (prop.name)
{
case Symbols.Timestamp:
if (val is Range)
{
Range range = (Range)val;
if (range.from is DateTime)
{
Key fromKey = new Key((DateTime)range.from, range.fromInclusive);
Key tillKey = new Key((DateTime)range.till, range.tillInclusive);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timeIndex.GetEnumerator(fromKey, tillKey), kind, timestamp));
}
}
else if (val is DateTime)
{
Key key = new Key((DateTime)val);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timeIndex.GetEnumerator(key, key), kind, timestamp));
}
return new object[0]; // empty selection
case Symbols.Rectangle:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 4)
{
RectangleR2 r = new RectangleR2((double)coord[0].val,
(double)coord[1].val,
(double)coord[2].val,
(double)coord[3].val);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.spatialIndex.Overlaps(r).GetEnumerator(), kind, timestamp));
}
}
break;
case Symbols.Point:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 2)
{
double x = (double)coord[0].val;
double y = (double)coord[1].val;
RectangleR2 r = new RectangleR2(x, y, x, y);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.spatialIndex.Overlaps(r).GetEnumerator(), kind, timestamp));
}
}
break;
case Symbols.Keyword:
if (val is string)
{
ArrayList keywords = new ArrayList();
foreach (string keyword in ((string)val).ToLower().Split(keywordSeparators))
{
if (keyword.Length > 0 && !keywordStopList.ContainsKey(keyword))
{
keywords.Add(keyword);
}
}
IEnumerator[] occurences = new IEnumerator[keywords.Count];
for (int i = 0; i < occurences.Length; i++)
{
Key key = new Key((string)keywords[i]);
occurences[i] = root.inverseIndex.GetEnumerator(key, key);
}
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
db.Merge(occurences), kind, timestamp));
}
break;
}
def = (PropDef)root.propDefIndex[prop.name];
if (def == null)
{
return new object[0]; // empty selection
}
if (val is Range)
{
Range range = (Range)val;
if (range.from is double)
{
Key fromKey = new Key(new object[]{def, range.from}, range.fromInclusive);
Key tillKey = new Key(new object[]{def, range.till}, range.tillInclusive);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.numPropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp));
}
else if (range.from is DateTime)
{
Key fromKey = new Key(new object[]{def, range.from}, range.fromInclusive);
Key tillKey = new Key(new object[]{def, range.till}, range.tillInclusive);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timePropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp));
}
else
{
Key fromKey = new Key(new object[]{def, range.from}, range.fromInclusive);
Key tillKey = new Key(new object[]{def, range.till}, range.tillInclusive);
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.strPropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp));
}
}
if (val is string)
{
string str = (string)prop.val;
int wc = str.IndexOf('*');
if (wc < 0)
{
Key key = new Key(new object[]{def, str});
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.strPropIndex.GetEnumerator(key, key), kind, timestamp));
}
else if (wc > 0)
{
string prefix = str.Substring(0, wc);
Key fromKey = new Key(new object[]{def, prefix});
Key tillKey = new Key(new object[]{def, prefix + Char.MaxValue}, false);
return new SearchResult(root, type, uri, wc == str.Length-1 ? restOfPatterns : patterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.strPropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp));
}
}
else if (val is double)
{
Key key = new Key(new object[]{def, val});
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.numPropIndex.GetEnumerator(key, key), kind, timestamp));
}
else if (val is DateTime)
{
Key key = new Key(new object[]{def, (DateTime)val});
return new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timePropIndex.GetEnumerator(key, key), kind, timestamp));
}
else if (val is NameVal)
{
return SearchReferenceProperty(type, uri, patterns, kind, timestamp, (NameVal)val, compound, def, refs);
}
else if (val is NameVal[])
{
NameVal[] props = (NameVal[])val;
if (props.Length > 0)
{
return SearchReferenceProperty(type, uri, patterns, kind, timestamp, props[0], true, def, refs);
}
}
return null;
}
public ReferenceIterator(DatabaseRoot root, PropDef[] defs, IEnumerator iterator, SearchKind kind, DateTime timestamp)
{
this.root = root;
this.defs = defs;
this.kind = kind;
this.timestamp = timestamp;
iterators = new IEnumerator[defs.Length+1];
iterators[iterators.Length-1] = iterator;
Reset();
}
/// <summary>Get iterator through object matching specified search parameters</summary>
/// <param name="type">String representing type of the object (direct or indirect - IsInstanceOf
/// method will be used to check if object belongs to the specified type). It may be null,
/// in this case type criteria is skipped.</param>
/// <param name="uri">Object URI pattern. It may be null, in this case URI is not inspected.</param>
/// <param name="patterns">array of name:value pairs specifying search condition for object properties</param>
/// <param name="kind">search kind used to select inspected versions</param>
/// <param name="timestamp">timestamp used to select versions, if kind is SearchKind.LatestVersion
/// or SearchKind.AllVersions this parameter is ignored</param>
/// <returns>Enumerator through object meet search criteria.</returns>
public IEnumerable Search(string type, string uri, NameVal[] patterns, SearchKind kind, DateTime timestamp)
{
VersionHistory typeVh = null;
root.SharedLock();
try
{
if (type != null)
{
typeVh = GetObject(type);
if (typeVh == null)
{
return new object[0]; // empty selection
}
}
if (uri != null)
{
int wc = uri.IndexOf('*');
if (wc < 0)
{
return new SearchResult(root, typeVh, null, patterns, kind, timestamp, root.prefixUriIndex.GetEnumerator(uri, uri));
}
else if (wc > 0)
{
String prefix = uri.Substring(0, wc);
return new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.prefixUriIndex.GetEnumerator(prefix));
}
else if ((wc = uri.LastIndexOf('*')) < uri.Length-1)
{
String suffix = ReverseString(uri.Substring(wc+1, uri.Length-wc-1));
return new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.suffixUriIndex.GetEnumerator(suffix));
}
}
if (patterns.Length > 0)
{
NameVal prop = patterns[0];
object val = prop.val;
NameVal[] restOfPatterns = SubArray(patterns);
switch (prop.name)
{
case Symbols.Timestamp:
if (val is Range)
{
Range range = (Range)val;
if (range.from is DateTime)
{
Key fromKey = new Key((DateTime)range.from, range.fromInclusive);
Key tillKey = new Key((DateTime)range.till, range.tillInclusive);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timeIndex.GetEnumerator(fromKey, tillKey));
}
}
else if (val is DateTime)
{
Key key = new Key((DateTime)val);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timeIndex.GetEnumerator(key, key));
}
return new object[0]; // empty selection
case Symbols.Rectangle:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 4)
{
RectangleR2 r = new RectangleR2((double)coord[0].val,
(double)coord[1].val,
(double)coord[2].val,
(double)coord[3].val);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.spatialIndex.Overlaps(r).GetEnumerator());
}
}
break;
case Symbols.Point:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 2)
{
double x = (double)coord[0].val;
double y = (double)coord[1].val;
RectangleR2 r = new RectangleR2(x, y, x, y);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.spatialIndex.Overlaps(r).GetEnumerator());
}
}
break;
case Symbols.Keyword:
if (val is string)
{
ArrayList keywords = new ArrayList();
foreach (string keyword in ((string)val).ToLower().Split(keywordSeparators))
{
if (keyword.Length > 0 && !keywordStopList.ContainsKey(keyword))
{
keywords.Add(keyword);
}
}
IEnumerator[] occurences = new IEnumerator[keywords.Count];
for (int i = 0; i < occurences.Length; i++)
{
Key key = new Key((string)keywords[i]);
occurences[i] = root.inverseIndex.GetEnumerator(key, key);
}
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp, db.Merge(occurences));
}
break;
}
PropDef def = (PropDef)root.propDefIndex[prop.name];
if (def == null)
{
return new object[0]; // empty selection
}
if (val is Range)
{
Range range = (Range)val;
if (range.from is double)
{
Key fromKey = new Key(new object[]{def, range.from}, range.fromInclusive);
Key tillKey = new Key(new object[]{def, range.till}, range.tillInclusive);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.numPropIndex.GetEnumerator(fromKey, tillKey));
}
else if (range.from is DateTime)
{
Key fromKey = new Key(new object[]{def, range.from}, range.fromInclusive);
Key tillKey = new Key(new object[]{def, range.till}, range.tillInclusive);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timePropIndex.GetEnumerator(fromKey, tillKey));
}
else
{
Key fromKey = new Key(new object[]{def, range.from}, range.fromInclusive);
Key tillKey = new Key(new object[]{def, range.till}, range.tillInclusive);
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.strPropIndex.GetEnumerator(fromKey, tillKey));
}
}
else if (val is string)
{
string str = (string)val;
int wc = str.IndexOf('*');
if (wc < 0)
{
Key key = new Key(new object[]{def, str});
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.strPropIndex.GetEnumerator(key, key));
}
else if (wc > 0)
{
string prefix = str.Substring(0, wc);
Key fromKey = new Key(new object[]{def, prefix});
Key tillKey = new Key(new object[]{def, prefix + Char.MaxValue}, false);
return new SearchResult(root, typeVh, uri, wc == str.Length-1 ? restOfPatterns : patterns, kind, timestamp,
root.strPropIndex.GetEnumerator(fromKey, tillKey));
}
}
else if (val is double)
{
Key key = new Key(new object[]{def, val});
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.numPropIndex.GetEnumerator(key, key));
}
else if (val is DateTime)
{
Key key = new Key(new object[]{def, val});
return new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timePropIndex.GetEnumerator(key, key));
}
else if (val is NameVal)
{
IEnumerable iterator = SearchReferenceProperty(typeVh, uri, patterns, kind, timestamp, (NameVal)val, false, def, new ArrayList());
if (iterator != null)
{
return iterator;
}
}
else if (val is NameVal[])
{
NameVal[] props = (NameVal[])val;
if (props.Length > 0)
{
IEnumerable iterator = SearchReferenceProperty(typeVh, uri, patterns, kind, timestamp, props[0], props.Length > 1, def, new ArrayList());
if (iterator != null)
{
return iterator;
}
}
}
}
if (kind == SearchKind.LatestVersion)
{
return new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.latest.GetEnumerator());
}
return new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.timeIndex.GetEnumerator());
}
finally
{
root.Unlock();
}
}
/// <summary>Get verion history by URI and timestamp</summary>
/// <param name="uri">object URI</param>
/// <param name="kind">search kind, should be object SearchKind.LatestVersion, SearchKind.LatestBefore or
/// SearchKind.OldestAfter</param>
/// <param name="timestamp">timestamp used to locate version</param>
/// <returns>version of the object or null if no such version is found</returns>
public Thing GetVersion(string uri, SearchKind kind, DateTime timestamp)
{
VersionHistory vh = (VersionHistory)root.prefixUriIndex[uri];
if (vh != null)
{
return vh.GetVersion(kind, timestamp);
}
return null;
}
public SearchResult(DatabaseRoot root, VersionHistory type, string uri, NameVal[] patterns, SearchKind kind, DateTime timestamp, IEnumerator iterator)
{
this.root = root;
this.type = type;
this.uri = uri;
this.patterns = patterns;
this.kind = kind;
this.timestamp = timestamp;
this.iterator = iterator;
}
private IEnumerable SearchReferenceProperty(VersionHistory type, string uri, NameVal[] patterns, SearchKind kind, DateTime timestamp, NameVal prop, bool compound, PropDef def, ArrayList refs)
{
refs.Add(def);
NameVal[] restOfPatterns = compound ? patterns : SubArray(patterns);
object val = prop.val;
switch (prop.name)
{
case Symbols.Timestamp:
if (val is Range)
{
Range range = (Range)val;
if (range.from is DateTime)
{
Key fromKey = new Key((DateTime)range.from, range.fromInclusive);
Key tillKey = new Key((DateTime)range.till, range.tillInclusive);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timeIndex.GetEnumerator(fromKey, tillKey), kind, timestamp)));
}
}
else if (val is DateTime)
{
Key key = new Key((DateTime)val);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timeIndex.GetEnumerator(key, key), kind, timestamp)));
}
return(new object[0]); // empty selection
case Symbols.Rectangle:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 4)
{
RectangleR2 r = new RectangleR2((double)coord[0].val,
(double)coord[1].val,
(double)coord[2].val,
(double)coord[3].val);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.spatialIndex.Overlaps(r).GetEnumerator(), kind, timestamp)));
}
}
break;
case Symbols.Point:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 2)
{
double x = (double)coord[0].val;
double y = (double)coord[1].val;
RectangleR2 r = new RectangleR2(x, y, x, y);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.spatialIndex.Overlaps(r).GetEnumerator(), kind, timestamp)));
}
}
break;
case Symbols.Keyword:
if (val is string)
{
ArrayList keywords = new ArrayList();
foreach (string keyword in ((string)val).ToLower().Split(keywordSeparators))
{
if (keyword.Length > 0 && !keywordStopList.ContainsKey(keyword))
{
keywords.Add(keyword);
}
}
IEnumerator[] occurences = new IEnumerator[keywords.Count];
for (int i = 0; i < occurences.Length; i++)
{
Key key = new Key((string)keywords[i]);
occurences[i] = root.inverseIndex.GetEnumerator(key, key);
}
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
db.Merge(occurences), kind, timestamp)));
}
break;
}
def = (PropDef)root.propDefIndex[prop.name];
if (def == null)
{
return(new object[0]); // empty selection
}
if (val is Range)
{
Range range = (Range)val;
if (range.from is double)
{
Key fromKey = new Key(new object[] { def, range.from }, range.fromInclusive);
Key tillKey = new Key(new object[] { def, range.till }, range.tillInclusive);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.numPropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp)));
}
else if (range.from is DateTime)
{
Key fromKey = new Key(new object[] { def, range.from }, range.fromInclusive);
Key tillKey = new Key(new object[] { def, range.till }, range.tillInclusive);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timePropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp)));
}
else
{
Key fromKey = new Key(new object[] { def, range.from }, range.fromInclusive);
Key tillKey = new Key(new object[] { def, range.till }, range.tillInclusive);
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.strPropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp)));
}
}
if (val is string)
{
string str = (string)prop.val;
int wc = str.IndexOf('*');
if (wc < 0)
{
Key key = new Key(new object[] { def, str });
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.strPropIndex.GetEnumerator(key, key), kind, timestamp)));
}
else if (wc > 0)
{
string prefix = str.Substring(0, wc);
Key fromKey = new Key(new object[] { def, prefix });
Key tillKey = new Key(new object[] { def, prefix + Char.MaxValue }, false);
return(new SearchResult(root, type, uri, wc == str.Length - 1 ? restOfPatterns : patterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.strPropIndex.GetEnumerator(fromKey, tillKey), kind, timestamp)));
}
}
else if (val is double)
{
Key key = new Key(new object[] { def, val });
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.numPropIndex.GetEnumerator(key, key), kind, timestamp)));
}
else if (val is DateTime)
{
Key key = new Key(new object[] { def, (DateTime)val });
return(new SearchResult(root, type, uri, restOfPatterns, kind, timestamp,
new ReferenceIterator(root, (PropDef[])refs.ToArray(typeof(PropDef)),
root.timePropIndex.GetEnumerator(key, key), kind, timestamp)));
}
else if (val is NameVal)
{
return(SearchReferenceProperty(type, uri, patterns, kind, timestamp, (NameVal)val, compound, def, refs));
}
else if (val is NameVal[])
{
NameVal[] props = (NameVal[])val;
if (props.Length > 0)
{
return(SearchReferenceProperty(type, uri, patterns, kind, timestamp, props[0], true, def, refs));
}
}
return(null);
}
private SearchQuery(Func<string, bool> predicate)
{
Kind = SearchKind.Custom;
_predicate = predicate ?? throw new ArgumentNullException(nameof(predicate));
}
internal static SearchData CreateSearchData(
string pattern,
SearchKind kind = SearchKind.Forward,
SearchOptions options = SearchOptions.None)
{
return new SearchData(SearchText.NewPattern(pattern), kind, options);
}
private void SimulateSearch(string pattern, SearchKind searchKind = null, SearchOptions searchOptions = SearchOptions.None)
{
searchKind = searchKind ?? SearchKind.Forward;
var data = new SearchData(pattern, SearchOffsetData.None, searchKind, searchOptions);
var text = (searchKind.IsAnyForward ? "/" : "?") + pattern;
_search.SetupGet(x => x.InSearch).Returns(true).Verifiable();
_search.SetupGet(x => x.CurrentSearchData).Returns(data).Verifiable();
_search.SetupGet(x => x.CurrentSearchText).Returns(text).Verifiable();
}
internal static SearchData CreateSearchData(
SearchText text,
SearchKind kind = SearchKind.Forward,
SearchOptions options = SearchOptions.None)
{
return new SearchData(text, kind, options);
}
void ShowSearchControl(SearchKind searchKind, bool canOverwriteSearchString) {
UseGlobalSettingsIfUiIsHidden(canOverwriteSearchString);
bool wasShown = IsSearchControlVisible;
if (searchControl == null) {
searchControl = new SearchControl { DataContext = this };
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => CloseSearchControl()), new KeyGesture(Key.Escape, ModifierKeys.None)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => ShowFind()), new KeyGesture(Key.F, ModifierKeys.Control)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => ShowReplace()), new KeyGesture(Key.H, ModifierKeys.Control)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNext(true)), new KeyGesture(Key.F, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNext(true)), new KeyGesture(Key.Enter, ModifierKeys.None)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNext(false)), new KeyGesture(Key.Enter, ModifierKeys.Shift)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNext(true)), new KeyGesture(Key.F3, ModifierKeys.None)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNext(false)), new KeyGesture(Key.F3, ModifierKeys.Shift)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNextSelected(true)), new KeyGesture(Key.F3, ModifierKeys.Control)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FindNextSelected(false)), new KeyGesture(Key.F3, ModifierKeys.Control | ModifierKeys.Shift)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FocusSearchStringTextBox()), new KeyGesture(Key.N, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => FocusReplaceStringTextBox(), a => IsReplaceMode), new KeyGesture(Key.P, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => MatchCase = !MatchCase), new KeyGesture(Key.C, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => MatchWholeWords = !MatchWholeWords), new KeyGesture(Key.W, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(new RelayCommand(a => UseRegularExpressions = !UseRegularExpressions), new KeyGesture(Key.E, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(ReplaceNextCommand, new KeyGesture(Key.R, ModifierKeys.Alt)));
searchControl.InputBindings.Add(new KeyBinding(ReplaceAllCommand, new KeyGesture(Key.A, ModifierKeys.Alt)));
searchControl.AddHandler(UIElement.GotKeyboardFocusEvent, new KeyboardFocusChangedEventHandler(SearchControl_GotKeyboardFocus), true);
searchControl.AddHandler(UIElement.LostKeyboardFocusEvent, new KeyboardFocusChangedEventHandler(SearchControl_LostKeyboardFocus), true);
searchControl.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(SearchControl_MouseDown), true);
SelectAllWhenFocused(searchControl.searchStringTextBox);
SelectAllWhenFocused(searchControl.replaceStringTextBox);
searchControl.SizeChanged += SearchControl_SizeChanged;
searchControl.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
}
if (layer == null)
layer = wpfTextView.GetAdornmentLayer(PredefinedDsAdornmentLayers.Search);
if (layer.IsEmpty) {
layer.AddAdornment(AdornmentPositioningBehavior.OwnerControlled, null, null, searchControl, null);
wpfTextView.LayoutChanged += WpfTextView_LayoutChanged;
}
SetSearchKind(searchKind);
RepositionControl();
if (!wasShown)
UpdateTextMarkerSearch();
}
void CloseSearchControl() {
if (layer == null || layer.IsEmpty) {
Debug.Assert(searchKind == SearchKind.None && searchControlPosition == SearchControlPosition.Default);
return;
}
CancelAsyncSearch();
CleanUpIncrementalSearch();
layer.RemoveAllAdornments();
wpfHexView.LayoutChanged -= WpfHexView_LayoutChanged;
wpfHexView.BufferLinesChanged -= WpfHexView_BufferLinesChanged;
wpfHexView.Buffer.BufferSpanInvalidated -= Buffer_BufferSpanInvalidated;
hexMarkerSearchService = null;
RefreshAllTags();
wpfHexView.VisualElement.Focus();
searchKind = SearchKind.None;
searchControlPosition = SearchControlPosition.Default;
SaveSettings();
}
void CloseSearchControl() {
if (layer == null || layer.IsEmpty) {
Debug.Assert(searchKind == SearchKind.None && searchControlPosition == SearchControlPosition.Default);
return;
}
CleanUpIncrementalSearch();
layer.RemoveAllAdornments();
wpfTextView.LayoutChanged -= WpfTextView_LayoutChanged;
findResultCollection = null;
RefreshAllTags();
wpfTextView.VisualElement.Focus();
searchKind = SearchKind.None;
searchControlPosition = SearchControlPosition.Default;
SaveSettings();
}
OurFindOptions GetFindOptions(SearchKind searchKind, bool? forward) {
Debug.Assert(searchKind != SearchKind.None);
var options = OurFindOptions.None;
switch (searchKind) {
case SearchKind.Find:
case SearchKind.Replace:
if (MatchCase)
options |= OurFindOptions.MatchCase;
break;
case SearchKind.IncrementalSearchBackward:
case SearchKind.IncrementalSearchForward:
if (SearchString.Any(c => char.IsUpper(c)))
options |= OurFindOptions.MatchCase;
if (forward == null)
forward = searchKind == SearchKind.IncrementalSearchForward;
break;
default:
throw new ArgumentOutOfRangeException(nameof(searchKind));
}
if (forward == false)
options |= OurFindOptions.SearchReverse;
options |= OurFindOptions.Wrap;
return options;
}
SnapshotPoint? GetStartingPosition(SearchKind searchKind, FindOptions options, bool restart) {
Debug.Assert(searchKind != SearchKind.None);
switch (searchKind) {
case SearchKind.Find:
case SearchKind.Replace:
return GetStartingPosition(options, restart);
case SearchKind.IncrementalSearchBackward:
case SearchKind.IncrementalSearchForward:
return incrementalStartPosition;
default:
throw new ArgumentOutOfRangeException(nameof(searchKind));
}
}
static void DumpObject(Thing thing, TextWriter writer, int indent, SearchKind kind, DateTime timestamp, int depth)
{
WriteTab(writer, indent);
string typeName = GetQualifiedName(thing.type.vh.uri, writer);
writer.WriteLine(" rdf:about=\"" + thing.vh.uri + "\" vr:timestamp=\"" + thing.timestamp + "\">");
foreach (PropVal pv in thing.props)
{
object val = pv.val;
if (val is VersionHistory)
{
VersionHistory ptr = (VersionHistory)val;
if (kind != SearchKind.AllVersions)
{
if (depth > 0 || ptr.uri.StartsWith(thing.vh.uri))
{
Thing t = ptr.GetVersion(kind, timestamp);
if (t != null)
{
DumpObject(t, writer, indent+1, kind, timestamp, depth-1);
continue;
}
}
}
WriteTab(writer, indent+1);
GetQualifiedName(pv.def.name, writer);
writer.WriteLine(" rdf:resource=\"" + ptr.uri + "\"/>");
}
else
{
WriteTab(writer, indent+1);
string propName = GetQualifiedName(pv.def.name, writer);
writer.WriteLine(">" + val + "</" + propName + ">");
}
}
WriteTab(writer, indent);
writer.WriteLine("</" + typeName + ">");
}
private void SimulateSearch(string pattern, SearchKind searchKind = null, SearchOptions searchOptions = SearchOptions.None)
{
searchKind = searchKind ?? SearchKind.Forward;
var data = new SearchData(pattern, searchKind, searchOptions);
_search.SetupGet(x => x.InSearch).Returns(true).Verifiable();
_search.SetupGet(x => x.CurrentSearchData).Returns(FSharpOption.Create(data)).Verifiable();
}
/// <summary>Get iterator through object matching specified search parameters</summary>
/// <param name="type">String representing type of the object (direct or indirect - IsInstanceOf
/// method will be used to check if object belongs to the specified type). It may be null,
/// in this case type criteria is skipped.</param>
/// <param name="uri">Object URI pattern. It may be null, in this case URI is not inspected.</param>
/// <param name="patterns">array of name:value pairs specifying search condition for object properties</param>
/// <param name="kind">search kind used to select inspected versions</param>
/// <param name="timestamp">timestamp used to select versions, if kind is SearchKind.LatestVersion
/// or SearchKind.AllVersions this parameter is ignored</param>
/// <returns>Enumerator through object meet search criteria.</returns>
public IEnumerable Search(string type, string uri, NameVal[] patterns, SearchKind kind, DateTime timestamp)
{
VersionHistory typeVh = null;
root.SharedLock();
try
{
if (type != null)
{
typeVh = GetObject(type);
if (typeVh == null)
{
return(new object[0]); // empty selection
}
}
if (uri != null)
{
int wc = uri.IndexOf('*');
if (wc < 0)
{
return(new SearchResult(root, typeVh, null, patterns, kind, timestamp, root.prefixUriIndex.GetEnumerator(uri, uri)));
}
else if (wc > 0)
{
String prefix = uri.Substring(0, wc);
return(new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.prefixUriIndex.GetEnumerator(prefix)));
}
else if ((wc = uri.LastIndexOf('*')) < uri.Length - 1)
{
String suffix = ReverseString(uri.Substring(wc + 1, uri.Length - wc - 1));
return(new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.suffixUriIndex.GetEnumerator(suffix)));
}
}
if (patterns.Length > 0)
{
NameVal prop = patterns[0];
object val = prop.val;
NameVal[] restOfPatterns = SubArray(patterns);
switch (prop.name)
{
case Symbols.Timestamp:
if (val is Range)
{
Range range = (Range)val;
if (range.from is DateTime)
{
Key fromKey = new Key((DateTime)range.from, range.fromInclusive);
Key tillKey = new Key((DateTime)range.till, range.tillInclusive);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timeIndex.GetEnumerator(fromKey, tillKey)));
}
}
else if (val is DateTime)
{
Key key = new Key((DateTime)val);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timeIndex.GetEnumerator(key, key)));
}
return(new object[0]); // empty selection
case Symbols.Rectangle:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 4)
{
RectangleR2 r = new RectangleR2((double)coord[0].val,
(double)coord[1].val,
(double)coord[2].val,
(double)coord[3].val);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.spatialIndex.Overlaps(r).GetEnumerator()));
}
}
break;
case Symbols.Point:
if (val is NameVal[])
{
NameVal[] coord = (NameVal[])val;
if (coord.Length == 2)
{
double x = (double)coord[0].val;
double y = (double)coord[1].val;
RectangleR2 r = new RectangleR2(x, y, x, y);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.spatialIndex.Overlaps(r).GetEnumerator()));
}
}
break;
case Symbols.Keyword:
if (val is string)
{
ArrayList keywords = new ArrayList();
foreach (string keyword in ((string)val).ToLower().Split(keywordSeparators))
{
if (keyword.Length > 0 && !keywordStopList.ContainsKey(keyword))
{
keywords.Add(keyword);
}
}
IEnumerator[] occurences = new IEnumerator[keywords.Count];
for (int i = 0; i < occurences.Length; i++)
{
Key key = new Key((string)keywords[i]);
occurences[i] = root.inverseIndex.GetEnumerator(key, key);
}
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp, db.Merge(occurences)));
}
break;
}
PropDef def = (PropDef)root.propDefIndex[prop.name];
if (def == null)
{
return(new object[0]); // empty selection
}
if (val is Range)
{
Range range = (Range)val;
if (range.from is double)
{
Key fromKey = new Key(new object[] { def, range.from }, range.fromInclusive);
Key tillKey = new Key(new object[] { def, range.till }, range.tillInclusive);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.numPropIndex.GetEnumerator(fromKey, tillKey)));
}
else if (range.from is DateTime)
{
Key fromKey = new Key(new object[] { def, range.from }, range.fromInclusive);
Key tillKey = new Key(new object[] { def, range.till }, range.tillInclusive);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timePropIndex.GetEnumerator(fromKey, tillKey)));
}
else
{
Key fromKey = new Key(new object[] { def, range.from }, range.fromInclusive);
Key tillKey = new Key(new object[] { def, range.till }, range.tillInclusive);
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.strPropIndex.GetEnumerator(fromKey, tillKey)));
}
}
else if (val is string)
{
string str = (string)val;
int wc = str.IndexOf('*');
if (wc < 0)
{
Key key = new Key(new object[] { def, str });
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.strPropIndex.GetEnumerator(key, key)));
}
else if (wc > 0)
{
string prefix = str.Substring(0, wc);
Key fromKey = new Key(new object[] { def, prefix });
Key tillKey = new Key(new object[] { def, prefix + Char.MaxValue }, false);
return(new SearchResult(root, typeVh, uri, wc == str.Length - 1 ? restOfPatterns : patterns, kind, timestamp,
root.strPropIndex.GetEnumerator(fromKey, tillKey)));
}
}
else if (val is double)
{
Key key = new Key(new object[] { def, val });
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.numPropIndex.GetEnumerator(key, key)));
}
else if (val is DateTime)
{
Key key = new Key(new object[] { def, val });
return(new SearchResult(root, typeVh, uri, restOfPatterns, kind, timestamp,
root.timePropIndex.GetEnumerator(key, key)));
}
else if (val is NameVal)
{
IEnumerable iterator = SearchReferenceProperty(typeVh, uri, patterns, kind, timestamp, (NameVal)val, false, def, new ArrayList());
if (iterator != null)
{
return(iterator);
}
}
else if (val is NameVal[])
{
NameVal[] props = (NameVal[])val;
if (props.Length > 0)
{
IEnumerable iterator = SearchReferenceProperty(typeVh, uri, patterns, kind, timestamp, props[0], props.Length > 1, def, new ArrayList());
if (iterator != null)
{
return(iterator);
}
}
}
}
if (kind == SearchKind.LatestVersion)
{
return(new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.latest.GetEnumerator()));
}
return(new SearchResult(root, typeVh, uri, patterns, kind, timestamp, root.timeIndex.GetEnumerator()));
}
finally
{
root.Unlock();
}
}