Documentation

NQuadsParser

in package

• Application

implements ParserInterface, QuadIteratorInterface uses TmpStreamParserTrait

Parses only n-quads and n-triples but does it fast (thanks to parsing in chunks and extensive use of regullar expressions).

Tags

author

zozlak

Table of Contents

Interfaces

ParserInterface

QuadIteratorInterface

Constants

BLANKNODE  = '(_:[^\\s<.]+)'

BLANKNODE1_STRICT  = '_:'

BLANKNODE2_STRICT  = '[0-9_:A-Za-z\\x{00C0}-\\x{00D6}\\x{00D8}-\\x{00F6}\\x{00F8}-\\x{02FF}\\x{0370}-\\x{037D}\\x{037F}-\\x{1FFF}\\x{200C}-\\x{200D}\\x{2070}-\\x{218F}\\x{2C00}-\\x{2FEF}\\x{3001}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFFD}\\x{10000}-\\x{EFFFF}]'

BLANKNODE3_STRICT  = '[-0-9_:A-Za-z\\x{00B7}\\x{00C0}-\\x{00D6}\\x{00D8}-\\x{00F6}\\x{00F8}-\\x{02FF}\\x{0300}-\\x{037D}\\x{037F}-\\x{1FFF}\\x{200C}-\\x{200D}\\x{203F}-\\x{2040}\\x{2070}-\\x{218F}\\x{2C00}-\\x{2FEF}\\x{3001}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFFD}\\x{10000}-\\x{EFFFF}.]'

BLANKNODE4_STRICT  = '[-0-9_:A-Za-z\\x{00B7}\\x{00C0}-\\x{00D6}\\x{00D8}-\\x{00F6}\\x{00F8}-\\x{02FF}\\x{0300}-\\x{037D}\\x{037F}-\\x{1FFF}\\x{200C}-\\x{200D}\\x{203F}-\\x{2040}\\x{2070}-\\x{218F}\\x{2C00}-\\x{2FEF}\\x{3001}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFFD}\\x{10000}-\\x{EFFFF}]'

COMMENT  = '\\s*(?>#.*)?'

COMMENT2  = '\\s*#.*'

COMMENT2_STRICT  = '\\s*#[^\\x0D\\x0A]*'

COMMENT_STRICT  = '\\s*(?>#[^\\x0D\\x0A]*)?'

EOL  = '[\\x0D\\x0A]+'

IRIREF  = '<([^>]+)>'

IRIREF_STRICT  = '<((?>[^\\x{00}-\\x{20}<>"{}|^`\\\\]|\\\\u[0-9A-Fa-f]{4}|\\\\U[0-9A-Fa-f]{8})*)>'

LANGTAG  = '@([-a-zA-Z0-9]+)'

LANGTAG_STRICT  = '@([a-zA-Z]+(?>-[a-zA-Z0-9]+)*)'

LITERAL  = '"((?>[^\\x{22}\\x{5C}\\x{0A}\\x{0D}]|\\\\[tbnrf"\'\\\\]|\\\\u[0-9A-Fa-f]{4}|\\\\U[0-9A-Fa-f]{8})*)"'

MODE_QUADS  = 2

MODE_QUADS_STAR  = 4

MODE_TRIPLES  = 1

MODE_TRIPLES_STAR  = 3

READ_BUF_SIZE  = 8096

STAR_END  = '%\\G\\s*>>%'

STAR_START  = '%\\G\\s*<<%'

UCHAR  = '\\\\u[0-9A-Fa-f]{4}|\\\\U[0-9A-Fa-f]{8}'

Properties

$dataFactory  : DataFactoryInterface

$input  : StreamInterface

$level  : int

Recursion level of the start parser

$line  : string

Input line

$linesBuffer  : SplQueue<string|int, string>

$mode  : int

$offset  : int

Character offset within a parsed line (used by the star parser)

$quads  : Generator<string|int, QuadInterface>

$readBuffer  : string

$regexp  : string

$regexpCommentLine  : string

$regexpGraph  : string

$regexpLineEnd  : string

$regexpObjGraph  : string

$regexpPred  : string

$regexpSbjPred  : string

$tmpStream  : resource|null

$unescapeMap  : array<string, string>

See https://www.w3.org/TR/n-quads/#grammar-production-ECHAR

Methods

__construct()  : mixed

Creates the parser.

__destruct()  : mixed

current()  : QuadInterface

key()  : mixed

next()  : void

parse()  : QuadIteratorInterface

parseStream()  : QuadIteratorInterface

rewind()  : void

valid()  : bool

closeTmpStream()  : void

makeQuad()  : QuadInterface

Converts regex matches array into a Quad.

parseStar()  : QuadInterface

quadGenerator()  : Generator<string|int, QuadInterface>

readLine()  : string

starQuadGenerator()  : Generator<string|int, QuadInterface>

unescape()  : string