flutter::TextRange Class Reference

#include <text_range.h>

Public Member Functions
	TextRange (size_t position)
	TextRange (size_t base, size_t extent)
	TextRange (const TextRange &)=default
TextRange &	operator= (const TextRange &)=default
virtual	~TextRange ()=default
size_t	base () const
void	set_base (size_t pos)
size_t	extent () const
void	set_extent (size_t pos)
size_t	start () const
void	set_start (size_t pos)
size_t	end () const
void	set_end (size_t pos)
size_t	position () const
size_t	length () const
bool	collapsed () const
bool	reversed () const
bool	Contains (size_t position) const
bool	Contains (const TextRange &range) const
bool	operator== (const TextRange &other) const

Detailed Description

Definition at line 19 of file text_range.h.

Constructor & Destructor Documentation

TextRange() [1/3]

flutter::TextRange::TextRange ( size_t  position )

inlineexplicit

Definition at line 21 of file text_range.h.

: base_(position), extent_(position) {}

TextRange() [2/3]

flutter::TextRange::TextRange ( size_t  base, size_t  extent  )

inlineexplicit

Definition at line 22 of file text_range.h.

      : base_(base), extent_(extent) {}

TextRange() [3/3]

flutter::TextRange::TextRange ( const TextRange &  )

default

~TextRange()

virtual flutter::TextRange::~TextRange ( )

virtualdefault

Member Function Documentation

base()

size_t flutter::TextRange::base ( ) const

inline

Definition at line 30 of file text_range.h.

{ return base_; }

Referenced by flutter::TextInputModel::SelectToBeginning(), flutter::TextInputModel::SelectToEnd(), and flutter::TEST().

collapsed()

bool flutter::TextRange::collapsed ( ) const

inline

Definition at line 77 of file text_range.h.

{ return base_ == extent_; }

Referenced by flutter::TextInputModel::CommitComposing(), flutter::TextInputModel::MoveCursorBack(), flutter::TextInputModel::MoveCursorForward(), flutter::TextInputModel::MoveCursorToBeginning(), flutter::TextInputModel::MoveCursorToEnd(), flutter::TextInputModel::SelectToBeginning(), flutter::TextInputModel::SelectToEnd(), flutter::TextInputModel::SetSelection(), flutter::TextInputModel::SetText(), flutter::TEST(), and flutter::TextInputModel::UpdateComposingText().

Contains() [1/2]

bool flutter::TextRange::Contains ( const TextRange &  range ) const

inline

Definition at line 88 of file text_range.h.

                                              {
    return range.start() >= start() && range.end() <= end();
  }

References end(), and start().

Contains() [2/2]

bool flutter::TextRange::Contains ( size_t  position ) const

inline

Definition at line 83 of file text_range.h.

                                       {
    return position >= start() && position <= end();
  }

References end(), position(), and start().

Referenced by flutter::TEST().

end()

size_t flutter::TextRange::end ( ) const

inline

Definition at line 54 of file text_range.h.

{ return std::max(base_, extent_); }

Referenced by flutter::TextInputModel::Backspace(), flutter::TextInputModel::CommitComposing(), Contains(), flutter::TextInputModel::Delete(), flutter::TextInputModel::DeleteSurrounding(), length(), flutter::TextInputModel::MoveCursorForward(), flutter::TextInputModel::MoveCursorToEnd(), flutter::TextInputModel::SelectToEnd(), and flutter::TEST().

extent()

size_t flutter::TextRange::extent ( ) const

inline

Definition at line 36 of file text_range.h.

{ return extent_; }

Referenced by flutter::TextInputModel::DeleteSurrounding(), flutter::TextInputModel::GetCursorOffset(), flutter::TEST(), and flutter::TextInputModel::UpdateComposingText().

length()

size_t flutter::TextRange::length ( ) const

inline

Definition at line 74 of file text_range.h.

{ return end() - start(); }

References end(), and start().

Referenced by flutter::TextInputModel::AddText(), flutter::TEST(), and flutter::TextInputModel::UpdateComposingText().

operator=()

TextRange& flutter::TextRange::operator= ( const TextRange &  )

default

operator==()

bool flutter::TextRange::operator== ( const TextRange &  other ) const

inline

Definition at line 92 of file text_range.h.

                                                {
    return base_ == other.base_ && extent_ == other.extent_;
  }

position()

size_t flutter::TextRange::position ( ) const

inline

Definition at line 68 of file text_range.h.

                          {
    FML_DCHECK(base_ == extent_);
    return extent_;
  }

Referenced by flutter::TextInputModel::AddText(), flutter::TextInputModel::Backspace(), Contains(), flutter::TextInputModel::Delete(), flutter::TextInputModel::MoveCursorBack(), flutter::TextInputModel::MoveCursorForward(), flutter::TextInputModel::MoveCursorToBeginning(), flutter::TextInputModel::MoveCursorToEnd(), flutter::TextInputModel::SelectToBeginning(), flutter::TextInputModel::SelectToEnd(), and flutter::TEST().

reversed()

bool flutter::TextRange::reversed ( ) const

inline

Definition at line 80 of file text_range.h.

{ return base_ > extent_; }

Referenced by flutter::TEST().

set_base()

void flutter::TextRange::set_base ( size_t  pos )

inline

Definition at line 33 of file text_range.h.

{ base_ = pos; }

Referenced by flutter::TEST().

set_end()

void flutter::TextRange::set_end ( size_t  pos )

inline

Definition at line 57 of file text_range.h.

                           {
    if (base_ <= extent_) {
      extent_ = pos;
    } else {
      base_ = pos;
    }
  }

Referenced by flutter::TextInputModel::AddText(), flutter::TextInputModel::Backspace(), flutter::TextInputModel::Delete(), flutter::TextInputModel::DeleteSurrounding(), flutter::TEST(), and flutter::TextInputModel::UpdateComposingText().

set_extent()

void flutter::TextRange::set_extent ( size_t  pos )

inline

Definition at line 39 of file text_range.h.

{ extent_ = pos; }

Referenced by flutter::TEST().

set_start()

void flutter::TextRange::set_start ( size_t  pos )

inline

Definition at line 45 of file text_range.h.

                             {
    if (base_ <= extent_) {
      base_ = pos;
    } else {
      extent_ = pos;
    }
  }

Referenced by flutter::TEST().

start()

size_t flutter::TextRange::start ( ) const

inline

Definition at line 42 of file text_range.h.

{ return std::min(base_, extent_); }

Referenced by flutter::TextInputModel::AddText(), flutter::TextInputModel::BeginComposing(), Contains(), flutter::TextInputModel::DeleteSurrounding(), length(), flutter::TextInputModel::MoveCursorBack(), flutter::TextInputModel::MoveCursorToBeginning(), flutter::TextInputModel::SelectToBeginning(), flutter::TextInputModel::SetComposingRange(), flutter::TEST(), and flutter::TextInputModel::UpdateComposingText().

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

• shell/platform/common/text_range.h