libUTL++
utl::CmdLineArgs Class Reference

Parse command-line arguments. More...

#include <CmdLineArgs.h>

Inheritance diagram for utl::CmdLineArgs:

Public Member Functions

 CmdLineArgs (int argc, char **argv)
 Constructor. More...
 
 CmdLineArgs (const Array &args)
 Constructor. More...
 
void clear ()
 See Object::clear. More...
 
const TArray< String > & getArray () const
 Get the argument array. More...
 
size_t idx () const
 Return the index of the first non-switch argument. More...
 
bool isSet (const String &sw, String *val=nullptr, size_t *swIdx=nullptr)
 Determine whether a switch was given. More...
 
bool isOwner () const
 Get the ownership flag. More...
 
void setOwner (bool owner)
 Set the ownership flag. More...
 
size_t items () const
 Return the number of arguments. More...
 
bool ok () const
 Determine whether any unknown switches were given. More...
 
void parse (int argc, char **argv)
 Parse the given arguments. More...
 
void parse (const Array &args)
 Parse the given arguments. More...
 
bool printErrors (Stream &os, const String *prefix=nullptr)
 Print unknown switches to the given stream. More...
 
const Stringoperator[] (size_t idx) const
 Return the argument at the given index. More...
 
const Stringoperator[] (int idx) const
 Same as above, but takes a signed argument. More...
 
const Stringoperator() (size_t idx) const
 Return the argument at the given index. More...
 
const Stringoperator() (int idx) const
 Same as above, but takes a signed argument. More...
 
- Public Member Functions inherited from utl::Object
void clear ()
 Revert to initial state. More...
 
virtual int compare (const Object &rhs) const
 Compare with another object. More...
 
virtual void copy (const Object &rhs)
 Copy another instance. More...
 
virtual void vclone (const Object &rhs)
 Make an exact copy of another instance. More...
 
virtual void steal (Object &rhs)
 "Steal" the internal representation from another instance. More...
 
virtual void dump (Stream &os, uint_t level=uint_t_max) const
 Dump a human-readable representation of self to the given output stream. More...
 
void dumpWithClassName (Stream &os, uint_t indent=4, uint_t level=uint_t_max) const
 Front-end for dump() that prints the object's class name. More...
 
virtual const ObjectgetKey () const
 Get the key for this object. More...
 
bool hasKey () const
 Determine whether or not the object has a key. More...
 
virtual const ObjectgetProxiedObject () const
 Get the proxied object (= self if none). More...
 
virtual ObjectgetProxiedObject ()
 Get the proxied object (= self if none). More...
 
virtual size_t hash (size_t size) const
 Get the hash code for the object. More...
 
bool _isA (const RunTimeClass *runTimeClass) const
 Determine whether self's class is a descendent of the given class. More...
 
virtual String toString () const
 Return a string representation of self. More...
 
 operator String () const
 Conversion to String. More...
 
size_t allocatedSize () const
 Get the total allocated size of this object. More...
 
virtual size_t innerAllocatedSize () const
 Get the "inner" allocated size. More...
 
virtual void addOwnedIt (const class FwdIt *it) const
 Notify self that it owns the given iterator. More...
 
virtual void removeOwnedIt (const class FwdIt *it) const
 Notify self that the given owned iterator has been destroyed. More...
 
bool operator< (const Object &rhs) const
 Less-than operator. More...
 
bool operator<= (const Object &rhs) const
 Less-than-or-equal-to operator. More...
 
bool operator> (const Object &rhs) const
 Greater-than operator. More...
 
bool operator>= (const Object &rhs) const
 Greater-than-or-equal-to operator. More...
 
bool operator== (const Object &rhs) const
 Equal-to operator. More...
 
bool operator!= (const Object &rhs) const
 Unequal-to operator. More...
 
void serializeIn (Stream &is, uint_t mode=ser_default)
 Serialize from an input stream. More...
 
void serializeOut (Stream &os, uint_t mode=ser_default) const
 Serialize to an output stream. More...
 
virtual void serialize (Stream &stream, uint_t io, uint_t mode=ser_default)
 Serialize to or from a stream. More...
 
void serializeOutBoxed (Stream &os, uint_t mode=ser_default) const
 Serialize a boxed object to an output stream. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from utl::Object
static ObjectserializeInNullable (Stream &is, uint_t mode=ser_default)
 Serialize a nullptr-able object from an input stream. More...
 
static void serializeOutNullable (const Object *object, Stream &os, uint_t mode=ser_default)
 Serialize a nullptr-able object to an output stream. More...
 
static void serializeNullable (Object *&object, Stream &stream, uint_t io, uint_t mode=ser_default)
 Serialize a nullptr-able object to or from a stream. More...
 
static ObjectserializeInBoxed (Stream &is, uint_t mode=ser_default)
 Serialize a boxed object from an input stream. More...
 
static void serializeBoxed (Object *&object, Stream &stream, uint_t io, uint_t mode=ser_default)
 Serialize a boxed object to or from a stream. More...
 
- Protected Member Functions inherited from utl::FlagsMI
 FlagsMI ()
 Constructor. More...
 
virtual ~FlagsMI ()
 Destructor. More...
 
void copyFlags (const FlagsMI &rhs)
 Copy the given flags. More...
 
void copyFlags (const FlagsMI &rhs, uint_t lsb, uint_t msb)
 Copy (some of) the given flags. More...
 
void copyFlags (uint64_t flags, uint_t lsb, uint_t msb)
 Copy (some of) the given flags. More...
 
bool getFlag (uint_t flagNum) const
 Get a user-defined flag. More...
 
void setFlag (uint_t flagNum, bool val)
 Set a user-defined flag. More...
 
uint64_t getFlagsNumber (uint64_t mask, uint64_t shift=0)
 Get a multi-bit value in the flags data (which is stored as one 64-bit integer). More...
 
void setFlagsNumber (uint64_t mask, uint64_t shift, uint64_t num)
 Set a multi-bit value in the flags data (which is stored as one 64-bit integer). More...
 
uint64_t getFlags () const
 Get the flags. More...
 
void setFlags (uint64_t flags)
 Set the flags. More...
 

Detailed Description

Parse command-line arguments.

CmdLineArgs simplifies the task of parsing command-line arguments. It can accept one-character switches (e.g. -q) as well as long switches (e.g. –quiet). It can also recognize and report any unknown switches that were given.

Author
Adam McKee

Definition at line 32 of file CmdLineArgs.h.

Constructor & Destructor Documentation

◆ CmdLineArgs() [1/2]

utl::CmdLineArgs::CmdLineArgs ( int  argc,
char **  argv 
)
inline

Constructor.

Invokes parse() for the given arguments.

Parameters
argcnumber of arguments (as in main())
argvarray of arguments (as in main())

Definition at line 42 of file CmdLineArgs.h.

References utl::init().

◆ CmdLineArgs() [2/2]

utl::CmdLineArgs::CmdLineArgs ( const Array args)
inline

Constructor.

Invokes parse() for the given arguments.

Parameters
argsArray of String's

Definition at line 51 of file CmdLineArgs.h.

References utl::init().

Member Function Documentation

◆ clear()

void utl::CmdLineArgs::clear ( )

◆ getArray()

const TArray<String>& utl::CmdLineArgs::getArray ( ) const
inline

Get the argument array.

Definition at line 61 of file CmdLineArgs.h.

◆ idx()

size_t utl::CmdLineArgs::idx ( ) const
inline

Return the index of the first non-switch argument.

Definition at line 68 of file CmdLineArgs.h.

◆ isSet()

bool utl::CmdLineArgs::isSet ( const String sw,
String val = nullptr,
size_t *  swIdx = nullptr 
)

Determine whether a switch was given.

Returns
true if switch given, false otherwise
Parameters
swswitch to test for
val(optional) value which was given for the switch
swIdx(optional) index of argument where switch was found

◆ isOwner()

bool utl::CmdLineArgs::isOwner ( ) const
inline

Get the ownership flag.

Definition at line 84 of file CmdLineArgs.h.

◆ setOwner()

void utl::CmdLineArgs::setOwner ( bool  owner)
inline

Set the ownership flag.

Definition at line 91 of file CmdLineArgs.h.

◆ items()

size_t utl::CmdLineArgs::items ( ) const
inline

Return the number of arguments.

Definition at line 98 of file CmdLineArgs.h.

◆ ok()

bool utl::CmdLineArgs::ok ( ) const
inline

Determine whether any unknown switches were given.

This method must be called after isSet() has been called for each known switch.

Definition at line 108 of file CmdLineArgs.h.

◆ parse() [1/2]

void utl::CmdLineArgs::parse ( int  argc,
char **  argv 
)

Parse the given arguments.

Parameters
argcnumber of arguments (as in main())
argvarray of arguments (as in main())

◆ parse() [2/2]

void utl::CmdLineArgs::parse ( const Array args)

Parse the given arguments.

Parameters
argsArray of String's

◆ printErrors()

bool utl::CmdLineArgs::printErrors ( Stream os,
const String prefix = nullptr 
)

Print unknown switches to the given stream.

Returns
true if errors were found, false otherwise
Parameters
osstream to print errors to
prefixprefix for each error report

◆ operator[]() [1/2]

const String* utl::CmdLineArgs::operator[] ( size_t  idx) const
inline

Return the argument at the given index.

See also
Array::operator[]

Definition at line 138 of file CmdLineArgs.h.

◆ operator[]() [2/2]

const String* utl::CmdLineArgs::operator[] ( int  idx) const
inline

Same as above, but takes a signed argument.

Definition at line 144 of file CmdLineArgs.h.

◆ operator()() [1/2]

const String& utl::CmdLineArgs::operator() ( size_t  idx) const
inline

Return the argument at the given index.

See also
Array::operator()

Definition at line 153 of file CmdLineArgs.h.

◆ operator()() [2/2]

const String& utl::CmdLineArgs::operator() ( int  idx) const
inline

Same as above, but takes a signed argument.

Definition at line 159 of file CmdLineArgs.h.

References utl::deInit(), and utl::init().


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