/// <summary>
/// <para>
/// Initializes a new <see cref="FileStorage"/> instance.
/// </para>
/// <para></para>
/// </summary>
/// <param name="DBFilename">
/// <para>A db filename.</para>
/// <para></para>
/// </param>
public FileStorage(string DBFilename)
{
var linksConstants = new LinksConstants <TLinkAddress>(enableExternalReferencesSupport: true);
var dataMemory = new FileMappedResizableDirectMemory(DBFilename);
_disposableLinks = new UnitedMemoryLinks <TLinkAddress>(dataMemory, UnitedMemoryLinks <UInt64> .DefaultLinksSizeStep, linksConstants, IndexTreeType.Default);
_synchronizedLinks = new SynchronizedLinks <TLinkAddress>(_disposableLinks);
var link = _synchronizedLinks.Create();
link = _synchronizedLinks.Update(link, newSource: link, newTarget: link);
ushort currentMappingLinkIndex = 1;
Any = _synchronizedLinks.Constants.Any;
_meaningRoot = GetOrCreateMeaningRoot(currentMappingLinkIndex++);
_unicodeSymbolMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_unicodeSequenceMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_setMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_fileMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_addressToNumberConverter = new AddressToRawNumberConverter <TLinkAddress>();
_numberToAddressConverter = new RawNumberToAddressConverter <TLinkAddress>();
var balancedVariantConverter = new BalancedVariantConverter <TLinkAddress>(_synchronizedLinks);
var unicodeSymbolCriterionMatcher = new TargetMatcher <TLinkAddress>(_synchronizedLinks, _unicodeSymbolMarker);
var unicodeSequenceCriterionMatcher = new TargetMatcher <TLinkAddress>(_synchronizedLinks, _unicodeSequenceMarker);
var charToUnicodeSymbolConverter = new CharToUnicodeSymbolConverter <TLinkAddress>(_synchronizedLinks, _addressToNumberConverter, _unicodeSymbolMarker);
var unicodeSymbolToCharConverter = new UnicodeSymbolToCharConverter <TLinkAddress>(_synchronizedLinks, _numberToAddressConverter, unicodeSymbolCriterionMatcher);
var sequenceWalker = new RightSequenceWalker <TLinkAddress>(_synchronizedLinks, new DefaultStack <TLinkAddress>(), unicodeSymbolCriterionMatcher.IsMatched);
_stringToUnicodeSequenceConverter = new CachingConverterDecorator <string, TLinkAddress>(new StringToUnicodeSequenceConverter <TLinkAddress>(_synchronizedLinks, charToUnicodeSymbolConverter, balancedVariantConverter, _unicodeSequenceMarker));
_unicodeSequenceToStringConverter = new CachingConverterDecorator <TLinkAddress, string>(new UnicodeSequenceToStringConverter <TLinkAddress>(_synchronizedLinks, unicodeSequenceCriterionMatcher, sequenceWalker, unicodeSymbolToCharConverter));
}
public static void CharAndRawNumberUnicodeSymbolConvertersTest()
{
using (var scope = new Scope <Types <HeapResizableDirectMemory, UnitedMemoryLinks <ulong> > >())
{
var links = scope.Use <ILinks <ulong> >();
var meaningRoot = links.CreatePoint();
var addressToRawNumberConverter = new AddressToRawNumberConverter <ulong>();
var rawNumberToAddressConverter = new RawNumberToAddressConverter <ulong>();
TestCharAndUnicodeSymbolConverters(links, meaningRoot, addressToRawNumberConverter, rawNumberToAddressConverter);
}
}
public DoubletsDbContext(string dataDBFilename, string indexDBFilename)
{
var dataMemory = new FileMappedResizableDirectMemory(dataDBFilename);
var indexMemory = new FileMappedResizableDirectMemory(indexDBFilename);
var linksConstants = new LinksConstants <TLinkAddress>(enableExternalReferencesSupport: true);
// Init the links storage
_disposableLinks = new UInt32SplitMemoryLinks(dataMemory, indexMemory, UInt32SplitMemoryLinks.DefaultLinksSizeStep, linksConstants); // Low-level logic
_links = new UInt32Links(_disposableLinks); // Main logic in the combined decorator
// Set up constant links (markers, aka mapped links)
TLinkAddress currentMappingLinkIndex = 1;
_meaningRoot = GetOrCreateMeaningRoot(currentMappingLinkIndex++);
_unicodeSymbolMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_unicodeSequenceMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_titlePropertyMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_contentPropertyMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_publicationDateTimePropertyMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_blogPostMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
// Create properties operator that is able to control reading and writing properties for any link (object)
_defaultLinkPropertyOperator = new PropertiesOperator <TLinkAddress>(_links);
// Create converters that are able to convert link's address (UInt64 value) to a raw number represented with another UInt64 value and back
_numberToAddressConverter = new RawNumberToAddressConverter <TLinkAddress>();
_addressToNumberConverter = new AddressToRawNumberConverter <TLinkAddress>();
// Create converters for dates
_longRawNumberToDateTimeConverter = new LongRawNumberSequenceToDateTimeConverter <TLinkAddress>(new LongRawNumberSequenceToNumberConverter <TLinkAddress, long>(_links, _numberToAddressConverter));
_dateTimeToLongRawNumberConverter = new DateTimeToLongRawNumberSequenceConverter <TLinkAddress>(new NumberToLongRawNumberSequenceConverter <long, TLinkAddress>(_links, _addressToNumberConverter));
// Create converters that are able to convert string to unicode sequence stored as link and back
var balancedVariantConverter = new BalancedVariantConverter <TLinkAddress>(_links);
var unicodeSymbolCriterionMatcher = new TargetMatcher <TLinkAddress>(_links, _unicodeSymbolMarker);
var unicodeSequenceCriterionMatcher = new TargetMatcher <TLinkAddress>(_links, _unicodeSequenceMarker);
var charToUnicodeSymbolConverter = new CharToUnicodeSymbolConverter <TLinkAddress>(_links, _addressToNumberConverter, _unicodeSymbolMarker);
var unicodeSymbolToCharConverter = new UnicodeSymbolToCharConverter <TLinkAddress>(_links, _numberToAddressConverter, unicodeSymbolCriterionMatcher);
var sequenceWalker = new RightSequenceWalker <TLinkAddress>(_links, new DefaultStack <TLinkAddress>(), unicodeSymbolCriterionMatcher.IsMatched);
_stringToUnicodeSequenceConverter = new CachingConverterDecorator <string, TLinkAddress>(new StringToUnicodeSequenceConverter <TLinkAddress>(_links, charToUnicodeSymbolConverter, balancedVariantConverter, _unicodeSequenceMarker));
_unicodeSequenceToStringConverter = new CachingConverterDecorator <TLinkAddress, string>(new UnicodeSequenceToStringConverter <TLinkAddress>(_links, unicodeSequenceCriterionMatcher, sequenceWalker, unicodeSymbolToCharConverter));
}
public Patterns(string sourceImagePath)
{
_sourceImagePath = Path.GetFullPath(sourceImagePath);
_image = new MagickImage(sourceImagePath);
_pixels = _image.GetPixels();
_linksPath = Path.ChangeExtension(_sourceImagePath, ".links");
var memory = new HeapResizableDirectMemory(); //new FileMappedResizableDirectMemory(_linksPath);
var constants = new LinksConstants <ulong>(enableExternalReferencesSupport: true);
_links = new UInt64Links(new UInt64UnitedMemoryLinks(memory, UInt64UnitedMemoryLinks.DefaultLinksSizeStep, constants, Platform.Data.Doublets.Memory.IndexTreeType.SizedAndThreadedAVLBalancedTree));
_addressToRawNumberConverter = new AddressToRawNumberConverter <ulong>();
_rawNumberToAddressConverter = new RawNumberToAddressConverter <ulong>();
_totalSequenceSymbolFrequencyCounter = new TotalSequenceSymbolFrequencyCounter <ulong>(_links);
_linkFrequenciesCache = new LinkFrequenciesCache <ulong>(_links, _totalSequenceSymbolFrequencyCounter);
_index = new CachedFrequencyIncrementingSequenceIndex <ulong>(_linkFrequenciesCache);
_linkToItsFrequencyNumberConverter = new FrequenciesCacheBasedLinkToItsFrequencyNumberConverter <ulong>(_linkFrequenciesCache);
_sequenceToItsLocalElementLevelsConverter = new SequenceToItsLocalElementLevelsConverter <ulong>(_links, _linkToItsFrequencyNumberConverter);
_optimalVariantConverter = new OptimalVariantConverter <ulong>(_links, _sequenceToItsLocalElementLevelsConverter);
}
public PlatformDataBase(string indexFileName, string dataFileName)
{
this.indexFileName = indexFileName;
this.dataFileName = dataFileName;
var dataMemory = new FileMappedResizableDirectMemory(this.dataFileName);
var indexMemory = new FileMappedResizableDirectMemory(this.indexFileName);
var linksConstants = new LinksConstants <TLinkAddress>(enableExternalReferencesSupport: true);
// Init the links storage
this._disposableLinks = new UInt32SplitMemoryLinks(dataMemory, indexMemory, UInt32SplitMemoryLinks.DefaultLinksSizeStep, linksConstants); // Low-level logic
this.links = new UInt32Links(_disposableLinks); // Main logic in the combined decorator
// Set up constant links (markers, aka mapped links)
TLinkAddress currentMappingLinkIndex = 1;
this._meaningRoot = GerOrCreateMeaningRoot(currentMappingLinkIndex++);
this._unicodeSymbolMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
this._unicodeSequenceMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
this._bookMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
// Create converters that are able to convert link's address (UInt64 value) to a raw number represented with another UInt64 value and back
this._numberToAddressConverter = new RawNumberToAddressConverter <TLinkAddress>();
this._addressToNumberConverter = new AddressToRawNumberConverter <TLinkAddress>();
// Create converters that are able to convert string to unicode sequence stored as link and back
var balancedVariantConverter = new BalancedVariantConverter <TLinkAddress>(links);
var unicodeSymbolCriterionMatcher = new TargetMatcher <TLinkAddress>(links, _unicodeSymbolMarker);
var unicodeSequenceCriterionMatcher = new TargetMatcher <TLinkAddress>(links, _unicodeSequenceMarker);
var charToUnicodeSymbolConverter = new CharToUnicodeSymbolConverter <TLinkAddress>(links, _addressToNumberConverter, _unicodeSymbolMarker);
var unicodeSymbolToCharConverter = new UnicodeSymbolToCharConverter <TLinkAddress>(links, _numberToAddressConverter, unicodeSymbolCriterionMatcher);
var sequenceWalker = new RightSequenceWalker <TLinkAddress>(links, new DefaultStack <TLinkAddress>(), unicodeSymbolCriterionMatcher.IsMatched);
this._stringToUnicodeSequenceConverter = new CachingConverterDecorator <string, TLinkAddress>(new StringToUnicodeSequenceConverter <TLinkAddress>(links, charToUnicodeSymbolConverter, balancedVariantConverter, _unicodeSequenceMarker));
this._unicodeSequenceToStringConverter = new CachingConverterDecorator <TLinkAddress, string>(new UnicodeSequenceToStringConverter <TLinkAddress>(links, unicodeSequenceCriterionMatcher, sequenceWalker, unicodeSymbolToCharConverter));
}
static void Main(string[] args)
{
var constants = new LinksConstants <ulong>((1, long.MaxValue), (long.MaxValue + 1UL, ulong.MaxValue));
using var memory = new UInt64ResizableDirectMemoryLinks(new HeapResizableDirectMemory());
var links = memory.DecorateWithAutomaticUniquenessAndUsagesResolution();
var addressToRawNumberConverter = new AddressToRawNumberConverter <ulong>();
var rawNumberToAddressConverter = new RawNumberToAddressConverter <ulong>();
var root = links.GetOrCreate(1UL, 1UL);
var unicodeSymbolMarker = links.GetOrCreate(root, addressToRawNumberConverter.Convert(1));
var patternRootMarker = links.GetOrCreate(root, addressToRawNumberConverter.Convert(2));
var charToUnicodeSymbolConverter = new Platform.Data.Doublets.Unicode.CharToUnicodeSymbolConverter <ulong>(links, addressToRawNumberConverter, unicodeSymbolMarker);
var strings = new[] { "href", "target", "rel", "media", "hreflang", "type", "sizes", "content", "name", "src", "charset", "text", "cite", "ping", "alt", "sandbox", "width", "height", "data", "value", "poster", "coords", "shape", "scope", "action", "enctype", "method", "accept", "max", "min", "pattern", "placeholder", "step", "label", "wrap", "icon", "radiogroup" };
var patternRootMarkerArray = new[] { patternRootMarker };
var sequences = strings.Select((s, i) => patternRootMarkerArray.Concat(BuildSequence(s, i, links, addressToRawNumberConverter, charToUnicodeSymbolConverter)).Concat(patternRootMarkerArray).ToArray()).ToArray();
var index = new SequenceIndex <ulong>(links);
var any = links.Constants.Any;
var @continue = links.Constants.Continue;
for (int i = 0; i < sequences.Length; i++)
{
index.Add(sequences[i]);
}
var chars = new Dictionary <ulong, char>();
links.Each(linkParts =>
{
var link = new UInt64Link(linkParts);
if (link.Target == unicodeSymbolMarker)
{
var symbol = (char)rawNumberToAddressConverter.Convert(link.Source);
chars.Add(link.Index, symbol);
Console.WriteLine($"({link.Index}: '{symbol}'->{link.Target})");
}
else
{
var sourceString = LinkToString(links, constants, link.Source, chars, rawNumberToAddressConverter);
var targetString = LinkToString(links, constants, link.Target, chars, rawNumberToAddressConverter);
Console.WriteLine($"({link.Index}: {sourceString}->{targetString})");
}
return(@continue);
}, new UInt64Link(any, any, any));
StringBuilder sb = new StringBuilder();
sb.Append('^');
AppendPattern(links, constants, patternRootMarker, patternRootMarker, chars, any, @continue, sb, 0UL, rawNumberToAddressConverter);
sb.Append('$');
var result = sb.ToString();
var simplificationRegex = new Regex(@"\(([a-z\?]*)\)", RegexOptions.Compiled);
while (simplificationRegex.IsMatch(result))
{
result = simplificationRegex.Replace(result, "$1");
}
// (|t)
// t?
var simplificationRegex2 = new Regex(@"\(\|([a-z])\)", RegexOptions.Compiled);
while (simplificationRegex2.IsMatch(result))
{
result = simplificationRegex2.Replace(result, "$1?");
}
// Repeat
while (simplificationRegex.IsMatch(result))
{
result = simplificationRegex.Replace(result, "$1");
}
var regex = new Regex(result);
for (int i = 0; i < strings.Length; i++)
{
if (!regex.IsMatch(strings[i]))
{
Console.WriteLine($"Error: {strings[i]} does not match the pattern.");
}
}
Console.WriteLine(result);
Console.WriteLine(links.Count());
Console.WriteLine("Hello World!");
}
private static void AppendPattern(ILinks <ulong> links, LinksConstants <ulong> constants, ulong start, ulong patternMarker, Dictionary <ulong, char> chars, ulong any, ulong @continue, StringBuilder sb, ulong initialPosition, RawNumberToAddressConverter <ulong> rawNumberToAddressConverter)
{
sb.Append('(');
var alternatives = 0;
links.Each(linkParts =>
{
var link = new UInt64Link(linkParts);
if (patternMarker == link.Target)
{
if (alternatives > 0)
{
sb.Append('|');
}
alternatives++;
}
else if (!constants.IsExternalReference(link.Target))
{
var charPosition = new UInt64Link(links.GetLink(link.Target));
if (constants.IsExternalReference(charPosition.Source) && chars.TryGetValue(charPosition.Target, out char targetSymbol))
{
var position = rawNumberToAddressConverter.Convert(charPosition.Source) - 10;
if (position == initialPosition)
{
if (alternatives > 0)
{
sb.Append('|');
}
sb.Append(targetSymbol);
AppendPattern(links, constants, link.Target, patternMarker, chars, any, @continue, sb, initialPosition + 1, rawNumberToAddressConverter);
alternatives++;
}
}
}
return(@continue);
}, new UInt64Link(any, start, any));
sb.Append(')');
}
private static string LinkToString(ILinks <ulong> links, LinksConstants <ulong> constants, ulong linkAddress, Dictionary <ulong, char> chars, RawNumberToAddressConverter <ulong> rawNumberToAddressConverter)
{
if (chars.TryGetValue(linkAddress, out char @char))
{
return($"'{@char.ToString()}'");
}
else if (constants.IsExternalReference(linkAddress))
{
return(rawNumberToAddressConverter.Convert(linkAddress).ToString());
}
else
{
var link = new UInt64Link(links.GetLink(linkAddress));
if (constants.IsExternalReference(link.Source) && chars.TryGetValue(link.Target, out char targetChar))
{
return($"[{rawNumberToAddressConverter.Convert(link.Source)}]'{targetChar}'");
}
else
{
return(linkAddress.ToString());
}
}
}