Search/Lucene/Search/QueryParser.php

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Zend Framework

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Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License
Package: Zend_Search_Lucene
Subpackage: Search
Version: $Id$

\Zend_Search_Lucene_Search_QueryParser
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Package: Zend_Search_Lucene\Search

Abstract Finite State Machine

Take a look on Wikipedia state machine description: http://en.wikipedia.org/wiki/Finite_state_machine Any type of Transducers (Moore machine or Mealy machine) also may be implemented by using this abstract FSM. process() methods invokes a specified actions which may construct FSM output. Actions may be also used to signal, that we have reached Accept State

Parent(s): \Zend_Search_Lucene_FSM
Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License

Constants

 
                B_OR
                = 0

Boolean operators constants

 
                B_AND
                = 1

 
                ST_COMMON_QUERY_ELEMENT
                = 0

Query parser State Machine states

 
                ST_CLOSEDINT_RQ_START
                = 1

 
                ST_CLOSEDINT_RQ_FIRST_TERM
                = 2

 
                ST_CLOSEDINT_RQ_TO_TERM
                = 3

 
                ST_CLOSEDINT_RQ_LAST_TERM
                = 4

 
                ST_CLOSEDINT_RQ_END
                = 5

 
                ST_OPENEDINT_RQ_START
                = 6

 
                ST_OPENEDINT_RQ_FIRST_TERM
                = 7

 
                ST_OPENEDINT_RQ_TO_TERM
                = 8

 
                ST_OPENEDINT_RQ_LAST_TERM
                = 9

 
                ST_OPENEDINT_RQ_END
                = 10

Properties

\Zend_Search_Lucene_Search_QueryParserContext $_context

Current query parser context

Details

Type: \Zend_Search_Lucene_Search_QueryParserContext

array $_contextStack

Context stack

Details

Type: array

integer|string $_currentToken

Current token

Details

Type: integer | string

string $_defaultEncoding = ''

Query string default encoding

Default value''Details

Type: string

integer $_defaultOperator = self::B_OR

Default boolean queries operator

Default valueself::B_ORDetails

Type: integer

string $_encoding

Query string encoding

Details

Type: string

\Zend_Search_Lucene_Search_QueryParser $_instance = null

static

Parser instance

Default valuenullDetails

Type: \Zend_Search_Lucene_Search_QueryParser

\Zend_Search_Lucene_Search_QueryToken $_lastToken = null

Last token

It can be processed within FSM states, but this addirional state simplifies FSM

Default valuenullDetails

Type: \Zend_Search_Lucene_Search_QueryToken

\Zend_Search_Lucene_Search_QueryLexer $_lexer

Query lexer

Details

Type: \Zend_Search_Lucene_Search_QueryLexer

string $_rqFirstTerm = null

Range query first term

Default valuenullDetails

Type: string

boolean $_suppressQueryParsingExceptions = true

Defines query parsing mode.

If this option is turned on, then query parser suppress query parser exceptions and constructs multi-term query using all words from a query. That helps to avoid exceptions caused by queries, which don't conform to query language, but limits possibilities to check, that query entered by user has some inconsistencies. Default is true. Use {@link Zend_Search_Lucene::suppressQueryParsingExceptions()}, {@link Zend_Search_Lucene::dontSuppressQueryParsingExceptions()} and {@link Zend_Search_Lucene::checkQueryParsingExceptionsSuppressMode()} to operate with this setting.

Default valuetrueDetails

Type: boolean

array $_tokens

Tokens list Array of Zend_Search_Lucene_Search_QueryToken objects

Details

Type: array

Methods

__construct() : void

Parser constructor

_getInstance() : \Zend_Search_Lucene_Search_QueryParser

static

Get query parser instance

Returns

Type	Description
\Zend_Search_Lucene_Search_QueryParser

addPhraseEntry() : void

Add phrase to a query

addTermEntry() : void

Add term to a query

closedRQFirstTerm() : void

Process first range query term (closed interval)

closedRQLastTerm() : void

Process last range query term (closed interval)

Throws

Exception	Description
\Zend_Search_Lucene_Search_QueryParserException

dontSuppressQueryParsingExceptions() : void

static

Turn off 'suppress query parser exceptions' mode.

escape(string $keyword) : string

static

Escape keyword to force it to be parsed as one term

Parameters

Name	Type	Description
$keyword	string

Returns

Type	Description
string

getDefaultEncoding() : string

static

Get query string default encoding

Returns

Type	Description
string

getDefaultOperator() : integer

static

Get default boolean operator

Returns

Type	Description
integer

logicalOperator() : void

Process logical operator

openedRQFirstTerm() : void

Process first range query term (opened interval)

openedRQLastTerm() : void

Process last range query term (opened interval)

Throws

Exception	Description
\Zend_Search_Lucene_Search_QueryParserException

parse(string $strQuery, string $encoding = null) : \Zend_Search_Lucene_Search_Query

static

Parses a query string

Parameters

Name	Type	Description
$strQuery	string
$encoding	string

Returns

Type	Description
\Zend_Search_Lucene_Search_Query

Throws

Exception	Description
\Zend_Search_Lucene_Search_QueryParserException

processFuzzyProximityModifier() : void

Process fuzzy search/proximity modifier - '~'

processModifierParameter() : void

Process modifier parameter

Throws

Exception	Description
\Zend_Search_Lucene_Exception

queryParsingExceptionsSuppressed() : boolean

static

Check 'suppress query parser exceptions' mode.

Returns

Type	Description
boolean

setDefaultEncoding(string $encoding) : void

static

Set query string default encoding

Parameters

Name	Type	Description
$encoding	string

setDefaultOperator(integer $operator) : void

static

Set default boolean operator

Parameters

Name	Type	Description
$operator	integer

setField() : void

Set entry field

setSign() : void

Set entry sign

subqueryEnd() : void

End subquery

subqueryStart() : void

Start subquery

suppressQueryParsingExceptions() : void

static

Turn on 'suppress query parser exceptions' mode.

Search/Lucene/Search/QueryParser.php

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Constants

Properties

Methods

\Zend_Search_Lucene_Search_QueryParser
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