gws.lib.cql.parser

CQL2-Text parser. See the package documentation for the parse tree format.

Reference:

• https://docs.ogc.org/is/21-065r2/21-065r2.html#cql2-bnf

Source code: gws.lib.cql.parser

Module Contents

class gws.lib.cql.parser.C

ADDITIVE_OPERATORS

ARRAY_FUNCTIONS

COMPARISON_OPERATORS

FUNCTIONS

KEYWORDS

LITERALS

MULTIPLICATIVE_OPERATORS

NOT_EQUAL_OPERATORS

OPERATORS

PATTERN_FUNCTIONS

POWER_OPERATORS

PREDICATE_KEYWORDS

WKT_KEYWORDS

class gws.lib.cql.parser.Node

AND = 'AND'

ARRAY = 'ARRAY'

BETWEEN = 'BETWEEN'

BOOL = 'BOOL'

DATE = 'DATE'

FLOAT = 'FLOAT'

FUNCTION = 'FUNCTION'

IN = 'IN'

INT = 'INT'

IS_NULL = 'IS_NULL'

LIKE = 'LIKE'

NAME = 'NAME'

NOT = 'NOT'

NOT_BETWEEN = 'NOT_BETWEEN'

NOT_IN = 'NOT_IN'

NOT_LIKE = 'NOT_LIKE'

NOT_NULL = 'NOT_NULL'

OR = 'OR'

STRING = 'STRING'

TIMESTAMP = 'TIMESTAMP'

USER_FUNCTION = 'USER_FUNCTION'

WKT = 'WKT'

gws.lib.cql.parser.parse(s: str)

Parse a CQL2-Text expression.

Parameters:

s – CQL2-Text expression.

Returns:

A parse tree.

Raises:

ParseError if the expression is invalid. –

exception gws.lib.cql.parser.ParseError

Common base class for all non-exit exceptions.