Sawyer::CommandLine::AnyParser< T > Class Template Reference

Description

template<typename T>
class Sawyer::CommandLine::AnyParser< T >

Parses any argument as plain text.

This parser consumes the entire following string and then attempts to convert it to type T, or throw an std::runtime_error. This differs from most other parsers which consume only those characters they recognize. For instance:

int i;
anyParser(i);
integerParser(i);

The anyParser(i) will throw an error for a command line like -n123x, but the integerParser(i) will consume only the "123" and leave "x" alone (which is presumably the "-x" nestled short switch). The integerParser will also provide more informative error messages for overflows.

This parser is primarily intended for parsing arbitrary strings as std::string, and uses that type when no other type is provided by template argument or constructor argument.

The boost::lexical_cast package is used for the conversion, but boost::bad_lexical_cast exceptions are caught and rethrown as std::runtime_error as required by the ValueParser interface.

See also

anyParser factory method, and Command line parser factories

Definition at line 862 of file Sawyer/CommandLine.h.

#include <Sawyer/CommandLine.h>

Inheritance diagram for Sawyer::CommandLine::AnyParser< T >:

Collaboration diagram for Sawyer::CommandLine::AnyParser< T >:

Public Types
typedef SharedPointer< AnyParser >	Ptr
	Reference counting pointer for this class.
Public Types inherited from Sawyer::CommandLine::ValueParser
typedef SharedPointer< ValueParser >	Ptr
	Reference counting pointer for this class.

Static Public Member Functions
static Ptr	instance ()
	Allocating constructor.
static Ptr	instance (const ValueSaver::Ptr &valueSaver)
	Allocating constructor.

Protected Member Functions
	AnyParser ()
	Constructor for derived classes.
	AnyParser (const ValueSaver::Ptr &valueSaver)
	Constructor for derived classes.
Protected Member Functions inherited from Sawyer::CommandLine::ValueParser
	ValueParser ()
	Constructor for derived classes.
	ValueParser (const ValueSaver::Ptr &valueSaver)
	Constructor for derived classes.

Additional Inherited Members
Public Member Functions inherited from Sawyer::CommandLine::ValueParser
ParsedValue	matchString (const std::string &)
	Parse the entire string and return a value.
ParsedValue	match (Cursor &)
	Parse a value from the beginning of the specified string.
Ptr	valueSaver (const ValueSaver::Ptr &f)
	Property: functor responsible for saving a parsed value in user storage.
const ValueSaver::Ptr	valueSaver () const
	Property: functor responsible for saving a parsed value in user storage.
Public Member Functions inherited from Sawyer::SharedObject
	SharedObject ()
	Default constructor.
	SharedObject (const SharedObject &)
	Copy constructor.
virtual	~SharedObject ()
	Virtual destructor.
SharedObject &	operator= (const SharedObject &)
	Assignment.
Public Member Functions inherited from Sawyer::SharedFromThis< ValueParser >
SharedPointer< ValueParser >	sharedFromThis ()
	Create a shared pointer from this.
SharedPointer< const ValueParser >	sharedFromThis () const
	Create a shared pointer from this.

Member Typedef Documentation

Ptr

template<typename T >

typedef SharedPointer<AnyParser> Sawyer::CommandLine::AnyParser< T >::Ptr

Reference counting pointer for this class.

Definition at line 871 of file Sawyer/CommandLine.h.

Constructor & Destructor Documentation

AnyParser() [1/2]

template<typename T >

Sawyer::CommandLine::AnyParser< T >::AnyParser ( )

inlineprotected

Constructor for derived classes.

Non-subclass users should use instance instead.

Definition at line 865 of file Sawyer/CommandLine.h.

Referenced by Sawyer::CommandLine::AnyParser< T >::instance().

AnyParser() [2/2]

template<typename T >

Sawyer::CommandLine::AnyParser< T >::AnyParser ( const ValueSaver::Ptr &  valueSaver )

inlineprotected

Constructor for derived classes.

Non-subclass users should use instance instead.

Definition at line 868 of file Sawyer/CommandLine.h.

Member Function Documentation

instance() [1/2]

template<typename T >

static Ptr Sawyer::CommandLine::AnyParser< T >::instance ( )

inlinestatic

Allocating constructor.

Returns a pointer to a new AnyParser object. Uses will most likely want to use the anyParser factory instead, which requires less typing.

See also

Command line parser factories

Definition at line 876 of file Sawyer/CommandLine.h.

Referenced by Sawyer::CommandLine::anyParser(), and Sawyer::CommandLine::anyParser().

instance() [2/2]

template<typename T >

static Ptr Sawyer::CommandLine::AnyParser< T >::instance ( const ValueSaver::Ptr &  valueSaver )

inlinestatic

Allocating constructor.

Returns a pointer to a new AnyParser object. Uses will most likely want to use the anyParser factory instead, which takes the same arguments, but requires less typing.

See also

Command line parser factories

Definition at line 881 of file Sawyer/CommandLine.h.

References Sawyer::CommandLine::AnyParser< T >::AnyParser(), and Sawyer::CommandLine::ValueParser::valueSaver().

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

• Sawyer/CommandLine.h