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<title>Xapian: API Documentation: xapian-core: Class List</title>
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<h1>xapian-core Class List</h1>Here are the classes, structs, unions and interfaces with brief descriptions:<table>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1AssertionError.html">Xapian::AssertionError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1AssertionError.html" title="AssertionError is thrown if a logical assertion inside Xapian fails.">AssertionError</a> is thrown if a logical assertion inside <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library.">Xapian</a> fails </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1BM25Weight.html">Xapian::BM25Weight</a></td><td class="indexvalue">BM25 weighting scheme </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1BoolWeight.html">Xapian::BoolWeight</a></td><td class="indexvalue">Boolean weighting scheme (everything gets 0) </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Database.html">Xapian::Database</a></td><td class="indexvalue">This class is used to access a database, or a group of databases </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseCorruptError.html">Xapian::DatabaseCorruptError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseCorruptError.html" title="DatabaseCorruptError indicates database corruption was detected.">DatabaseCorruptError</a> indicates database corruption was detected </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseCreateError.html">Xapian::DatabaseCreateError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseCreateError.html" title="DatabaseCreateError indicates a failure to create a database.">DatabaseCreateError</a> indicates a failure to create a database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseError.html">Xapian::DatabaseError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseError.html" title="DatabaseError indicates some sort of database related error.">DatabaseError</a> indicates some sort of database related error </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseLockError.html">Xapian::DatabaseLockError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseLockError.html" title="DatabaseLockError indicates failure to lock a database.">DatabaseLockError</a> indicates failure to lock a database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseModifiedError.html">Xapian::DatabaseModifiedError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseModifiedError.html" title="DatabaseModifiedError indicates a database was modified.">DatabaseModifiedError</a> indicates a database was modified </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseOpeningError.html">Xapian::DatabaseOpeningError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseOpeningError.html" title="DatabaseOpeningError indicates failure to open a database.">DatabaseOpeningError</a> indicates failure to open a database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DatabaseVersionError.html">Xapian::DatabaseVersionError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1DatabaseVersionError.html" title="DatabaseVersionError indicates that a database is in an unsupported format.">DatabaseVersionError</a> indicates that a database is in an unsupported format </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DateValueRangeProcessor.html">Xapian::DateValueRangeProcessor</a></td><td class="indexvalue">Handle a date range </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1DocNotFoundError.html">Xapian::DocNotFoundError</a></td><td class="indexvalue">Indicates an attempt to access a document not present in the database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Document.html">Xapian::Document</a></td><td class="indexvalue">A handle representing a document in a <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library.">Xapian</a> database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Enquire.html">Xapian::Enquire</a></td><td class="indexvalue">This class provides an interface to the information retrieval system for the purpose of searching </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Error.html">Xapian::Error</a></td><td class="indexvalue">All exceptions thrown by <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library.">Xapian</a> are subclasses of <a class="el" href="classXapian_1_1Error.html" title="All exceptions thrown by Xapian are subclasses of Xapian::Error.">Xapian::Error</a> </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ErrorHandler.html">Xapian::ErrorHandler</a></td><td class="indexvalue">Decide if a <a class="el" href="classXapian_1_1Error.html" title="All exceptions thrown by Xapian are subclasses of Xapian::Error.">Xapian::Error</a> exception should be ignored </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ESet.html">Xapian::ESet</a></td><td class="indexvalue">Class representing an ordered set of expand terms (an <a class="el" href="classXapian_1_1ESet.html" title="Class representing an ordered set of expand terms (an ESet).">ESet</a>) </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ESetIterator.html">Xapian::ESetIterator</a></td><td class="indexvalue">Iterate through terms in the <a class="el" href="classXapian_1_1ESet.html" title="Class representing an ordered set of expand terms (an ESet).">ESet</a> </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ExpandDecider.html">Xapian::ExpandDecider</a></td><td class="indexvalue">Virtual base class for expand decider functor </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ExpandDeciderAnd.html">Xapian::ExpandDeciderAnd</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1ExpandDecider.html" title="Virtual base class for expand decider functor.">ExpandDecider</a> subclass which rejects terms using two ExpandDeciders </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ExpandDeciderFilterTerms.html">Xapian::ExpandDeciderFilterTerms</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1ExpandDecider.html" title="Virtual base class for expand decider functor.">ExpandDecider</a> subclass which rejects terms in a specified list </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1FeatureUnavailableError.html">Xapian::FeatureUnavailableError</a></td><td class="indexvalue">Indicates an attempt to use a feature which is unavailable </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1InternalError.html">Xapian::InternalError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1InternalError.html" title="InternalError indicates a runtime problem of some sort.">InternalError</a> indicates a runtime problem of some sort </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1InvalidArgumentError.html">Xapian::InvalidArgumentError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1InvalidArgumentError.html" title="InvalidArgumentError indicates an invalid parameter value was passed to the API.">InvalidArgumentError</a> indicates an invalid parameter value was passed to the API </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1InvalidOperationError.html">Xapian::InvalidOperationError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1InvalidOperationError.html" title="InvalidOperationError indicates the API was used in an invalid way.">InvalidOperationError</a> indicates the API was used in an invalid way </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1LogicError.html">Xapian::LogicError</a></td><td class="indexvalue">The base class for exceptions indicating errors in the program logic </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1MatchDecider.html">Xapian::MatchDecider</a></td><td class="indexvalue">Base class for matcher decision functor </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1MSet.html">Xapian::MSet</a></td><td class="indexvalue">A match set (<a class="el" href="classXapian_1_1MSet.html" title="A match set (MSet).">MSet</a>) </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1MSetIterator.html">Xapian::MSetIterator</a></td><td class="indexvalue">An iterator pointing to items in an <a class="el" href="classXapian_1_1MSet.html" title="A match set (MSet).">MSet</a> </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1MultiValueSorter.html">Xapian::MultiValueSorter</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1Sorter.html" title="Virtual base class for sorter functor.">Sorter</a> subclass which sorts by a several values </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1NetworkError.html">Xapian::NetworkError</a></td><td class="indexvalue">Indicates a problem communicating with a remote database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1NetworkTimeoutError.html">Xapian::NetworkTimeoutError</a></td><td class="indexvalue">Indicates a timeout expired while communicating with a remote database </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1NumberValueRangeProcessor.html">Xapian::NumberValueRangeProcessor</a></td><td class="indexvalue">Handle a number range </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1PositionIterator.html">Xapian::PositionIterator</a></td><td class="indexvalue">An iterator pointing to items in a list of positions </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1PostingIterator.html">Xapian::PostingIterator</a></td><td class="indexvalue">An iterator pointing to items in a list of postings </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Query.html">Xapian::Query</a></td><td class="indexvalue">Class representing a query </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1QueryParser.html">Xapian::QueryParser</a></td><td class="indexvalue">Build a <a class="el" href="classXapian_1_1Query.html" title="Class representing a query.">Xapian::Query</a> object from a user query string </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1QueryParserError.html">Xapian::QueryParserError</a></td><td class="indexvalue">Indicates a query string can't be parsed </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1RangeError.html">Xapian::RangeError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1RangeError.html" title="RangeError indicates an attempt to access outside the bounds of a container.">RangeError</a> indicates an attempt to access outside the bounds of a container </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1RSet.html">Xapian::RSet</a></td><td class="indexvalue">A relevance set (R-Set) </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1RuntimeError.html">Xapian::RuntimeError</a></td><td class="indexvalue">The base class for exceptions indicating errors only detectable at runtime </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1SimpleStopper.html">Xapian::SimpleStopper</a></td><td class="indexvalue">Simple implementation of <a class="el" href="classXapian_1_1Stopper.html" title="Base class for stop-word decision functor.">Stopper</a> class - this will suit most users </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Sorter.html">Xapian::Sorter</a></td><td class="indexvalue">Virtual base class for sorter functor </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Stem.html">Xapian::Stem</a></td><td class="indexvalue">Class representing a stemming algorithm </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Stopper.html">Xapian::Stopper</a></td><td class="indexvalue">Base class for stop-word decision functor </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1StringValueRangeProcessor.html">Xapian::StringValueRangeProcessor</a></td><td class="indexvalue">Handle a string range </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1TermGenerator.html">Xapian::TermGenerator</a></td><td class="indexvalue">Parses a piece of text and generate terms </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1TermIterator.html">Xapian::TermIterator</a></td><td class="indexvalue">An iterator pointing to items in a list of terms </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1TradWeight.html">Xapian::TradWeight</a></td><td class="indexvalue">Traditional probabilistic weighting scheme </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1UnimplementedError.html">Xapian::UnimplementedError</a></td><td class="indexvalue"><a class="el" href="classXapian_1_1UnimplementedError.html" title="UnimplementedError indicates an attempt to use an unimplemented feature.">UnimplementedError</a> indicates an attempt to use an unimplemented feature </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Utf8Iterator.html">Xapian::Utf8Iterator</a></td><td class="indexvalue">An iterator which returns <a class="el" href="namespaceXapian_1_1Unicode.html" title="Functions associated with handling Unicode characters.">Unicode</a> character values from a UTF-8 encoded string </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1ValueIterator.html">Xapian::ValueIterator</a></td><td class="indexvalue">An iterator pointing to values associated with a document </td></tr>
<tr><td class="indexkey"><a class="el" href="structXapian_1_1ValueRangeProcessor.html">Xapian::ValueRangeProcessor</a></td><td class="indexvalue">Base class for value range processors </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1Weight.html">Xapian::Weight</a></td><td class="indexvalue">Abstract base class for weighting schemes </td></tr>
<tr><td class="indexkey"><a class="el" href="classXapian_1_1WritableDatabase.html">Xapian::WritableDatabase</a></td><td class="indexvalue">This class provides read/write access to a database </td></tr>
</table>
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Documentation for Xapian (version 1.0.21).<br>
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