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Showing content from https://unicode-org.github.io/icu-docs/apidoc/released/icu4c/classicu_1_1RunArray.html below:

ICU 77.1: icu::RunArray Class Reference

The RunArray class is a base class for building classes which represent data that is associated with runs of text. More...

#include <RunArrays.h>

RunArray (const le_int32 *limits, le_int32 count) Construct a RunArray object from a pre-existing array of limit indices. More...
RunArray (le_int32 initialCapacity) Construct an empty RunArray object. More...
virtual ~RunArray () The destructor; virtual so that subclass destructors are invoked as well. More...
le_int32 getCount () const Get the number of entries in the limit indices array. More...
void reset () Reset the limit indices array. More...
le_int32 getLimit () const Get the last limit index. More...
le_int32 getLimit (le_int32 run) const Get the limit index for a particular run of text. More...
le_int32 add (le_int32 limit) Add a limit index to the limit indices array and return the run index where it was stored. More...
UClassID getDynamicClassID () const override ICU "poor man's RTTI", returns a UClassID for the actual class. More...
virtual ~UObject () Destructor. More...
virtual void init (le_int32 capacity) Create a data array with the given initial size. More...
virtual void grow (le_int32 capacity) Grow a data array to the given initial size. More...
le_bool fClientArrays Set by the constructors to indicate whether or not the client supplied the data arrays. More...

The RunArray class is a base class for building classes which represent data that is associated with runs of text.

This class maintains an array of limit indices into the text, subclasses provide one or more arrays of data.

Stable:: ICU 3.2

Definition at line 50 of file RunArrays.h.

◆ RunArray() [1/2] icu::RunArray::RunArray ( const le_int32 * limits, le_int32 count ) inline

Construct a RunArray object from a pre-existing array of limit indices.

Parameters: limits is an array of limit indices. This array must remain valid until the RunArray object is destroyed. count is the number of entries in the limit array.

Stable:: ICU 3.2

Definition at line 236 of file RunArrays.h.

◆ RunArray() [2/2] icu::RunArray::RunArray ( le_int32 initialCapacity )

Construct an empty RunArray object.

Clients can add limit indices array using the add method.

Parameters: initialCapacity is the initial size of the limit indices array. If this value is zero, no array will be allocated.

See also: add

Stable:: ICU 3.2

◆ ~RunArray() virtual icu::RunArray::~RunArray ( ) virtual

The destructor; virtual so that subclass destructors are invoked as well.

Stable:: ICU 3.2

◆ add() le_int32 icu::RunArray::add ( le_int32 limit )

Add a limit index to the limit indices array and return the run index where it was stored.

If the array does not exist, it will be created by calling the init method. If it is full, it will be grown by calling the grow method.

If the RunArray object was created with a client-supplied limit indices array, this method will return a run index of -1.

Subclasses should not override this method. Rather they should provide a new add method which takes a limit index along with whatever other data they implement. The new add method should first call this method to grow the data arrays, and use the return value to store the data in their own arrays.

Parameters: limit is the limit index to add to the array.

Returns: the run index where the limit index was stored, or -1 if the limit index cannot be stored.

See also: init; grow

Stable:: ICU 3.2

◆ getCount() le_int32 icu::RunArray::getCount ( ) const inline

Get the number of entries in the limit indices array.

Returns: the number of entries in the limit indices array.

Stable:: ICU 3.2

Definition at line 242 of file RunArrays.h.

◆ getDynamicClassID() UClassID icu::RunArray::getDynamicClassID ( ) const inlineoverridevirtual ◆ getLimit() [1/2] le_int32 icu::RunArray::getLimit ( ) const inline

Get the last limit index.

This is the number of characters in the text.

Returns: the last limit index.

Stable:: ICU 3.2

Definition at line 261 of file RunArrays.h.

◆ getLimit() [2/2] le_int32 icu::RunArray::getLimit ( le_int32 run ) const inline

Get the limit index for a particular run of text.

Parameters: run is the run. This is an index into the limit index array.

Returns: the limit index for the run, or -1 if run is out of bounds.

Stable:: ICU 3.2

Definition at line 252 of file RunArrays.h.

◆ getStaticClassID() static UClassID icu::RunArray::getStaticClassID ( ) inlinestatic

ICU "poor man's RTTI", returns a UClassID for this class.

Stable:: ICU 3.2

Definition at line 157 of file RunArrays.h.

◆ grow() virtual void icu::RunArray::grow ( le_int32 capacity ) protectedvirtual

Grow a data array to the given initial size.

This method will be called by the add method if the limit indices array is full. Subclasses which override this method must also call it from the overriding method to grow the limit indices array.

Parameters: capacity is the initial size of the data array.

See also: add

Stable:: ICU 3.2

Reimplemented in icu::ValueRuns, icu::LocaleRuns, and icu::FontRuns.

◆ init() virtual void icu::RunArray::init ( le_int32 capacity ) protectedvirtual

Create a data array with the given initial size.

This method will be called by the add method if there is no limit indices array. Subclasses which override this method must also call it from the overriding method to create the limit indices array.

Parameters: capacity is the initial size of the data array.

See also: add

Stable:: ICU 3.2

Reimplemented in icu::ValueRuns, icu::LocaleRuns, and icu::FontRuns.

◆ reset() void icu::RunArray::reset ( ) inline

Reset the limit indices array.

This method sets the number of entries in the limit indices array to zero. It does not delete the array.

Note: Subclass arrays will also be reset and not deleted.

Stable:: ICU 3.6

Definition at line 247 of file RunArrays.h.

◆ fClientArrays le_bool icu::RunArray::fClientArrays protected

Set by the constructors to indicate whether or not the client supplied the data arrays.

If they were supplied by the client, the add method won't change the arrays and the destructor won't delete them.

Stable:: ICU 3.2

Definition at line 204 of file RunArrays.h.

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

layoutex/layout/RunArrays.h

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