Evaluate a string value field. More...

Inheritance diagram for Parsnip::RegExEvaluator:

Public Member Functions
virtual Parsnip::Data	evaluateToken (ArgvCursor *cursor) const override

virtual bool	operator== (const Evaluator &other) const override
	Check if two evaluators are the same.

virtual SchemaBase *	getSchema () const override final

Public Member Functions inherited from Parsnip::ValueEvaluator
virtual void	convertToOptionEvaluator () override
	Make any changes to the parse tree to convert it to an options evaluator.

virtual void	constructSchema (const DictionarySchema &scheme, const Schema::OptionSchemas &option_schemas, const SchemaIntegratorCallback &integrator) const override
	Construct a schema from an evaluator tree.

	Evaluator ()=default

	Evaluator (Evaluator *original)
	Upgrade an evaluator.

Public Member Functions inherited from Parsnip::Evaluator
	Evaluator (Evaluator *original)
	Upgrade an evaluator.

int	evaluate (ArgvCursor *cursor, Parsnip::Data &result_dict)
	Evaluate a token in the command line, and recurse if there is more to go.

bool	operator!= (const Evaluator &other) const

Static Public Member Functions
static RegExEvaluator *	construct (EvaluatorRef &evaluator, const std::string &name, const StringType &expression, const bool case_blind)
	Construct an evaluator (or validate the existing validator) for accepting an integer with a limited range.

Static Public Member Functions inherited from Parsnip::ValueEvaluator
static void	construct (EvaluatorRef &parser, const ArgvCursor &cursor, CommandId id, Parser *parent_parser, std::string name, std::string keywords)
	Construct a value/fill-in token handler.

Static Public Member Functions inherited from Parsnip::Evaluator
static void	construct (EvaluatorRef &evaluator, const ArgvCursor &cursor, CommandId id, Parser *parent_parser)
	Construct token handler from the token in a parsing definition.

Additional Inherited Members
Public Types inherited from Parsnip::Evaluator
using	StringType = std::string

using	CommandId = int

Protected Member Functions inherited from Parsnip::ValueEvaluator
virtual Evaluator *	getNextEvaluator (const StringType &value) const override
	Determine if and how to evaluate additional command line tokens.

Protected Member Functions inherited from Parsnip::Evaluator
void	setCommandId (CommandId id)
	Set the command ID in an evaluator.

Static Protected Member Functions inherited from Parsnip::Evaluator
static void	set_name (EvaluatorRef &target, const std::string &name)
	Assign a name by which to store values for value evaluators.

Protected Attributes inherited from Parsnip::ValueEvaluator
EvaluatorRef	next_evaluator

Protected Attributes inherited from Parsnip::Evaluator
CommandId	command_id {NoCommand}
	If this completes a command, the command ID.

std::string	name
	If not empty, the name by which this value shall be accessed.

Detailed Description

Evaluate a string value field.

Member Function Documentation

Parsnip::Data Parsnip::RegExEvaluator::evaluateToken ( ArgvCursor * cursor ) const

overridevirtual

Returns: the current token as string data, after validating it against a regular expression.

SchemaBase * Parsnip::RegExEvaluator::getSchema ( ) const

finaloverridevirtual

bool Parsnip::RegExEvaluator::operator== ( const Evaluator & other ) const

overridevirtual

Check if two evaluators are the same.

Subclasses should override this to check their details.

Parameters

other Another evaluator to which to compare.

The documentation for this class was generated from the following files: