gfx::Range Class Reference

#include <range.h>

Public Member Functions
constexpr	Range ()
constexpr	Range (uint32_t start, uint32_t end)
constexpr	Range (uint32_t position)
constexpr bool	IsValid () const
constexpr uint32_t	start () const
void	set_start (uint32_t start)
constexpr uint32_t	end () const
void	set_end (uint32_t end)
constexpr uint32_t	length () const
constexpr bool	is_reversed () const
constexpr bool	is_empty () const
constexpr uint32_t	GetMin () const
constexpr uint32_t	GetMax () const
constexpr bool	operator== (const Range &other) const
constexpr bool	operator!= (const Range &other) const
constexpr bool	EqualsIgnoringDirection (const Range &other) const
constexpr bool	Intersects (const Range &range) const
constexpr bool	Contains (const Range &range) const
constexpr bool	IsBoundedBy (const Range &range) const
constexpr Range	Intersect (const Range &range) const
std::string	ToString () const

Static Public Member Functions
static constexpr Range	InvalidRange ()

Detailed Description

Definition at line 33 of file range.h.

Constructor & Destructor Documentation

Range() [1/3]

constexpr gfx::Range::Range ( )

inlineconstexpr

Definition at line 36 of file range.h.

: Range(0) {}

Range() [2/3]

constexpr gfx::Range::Range ( uint32_t  start, uint32_t  end  )

inlineconstexpr

Definition at line 39 of file range.h.

: start_(start), end_(end) {}

References start.

Range() [3/3]

constexpr gfx::Range::Range ( uint32_t  position )

inlineexplicitconstexpr

Definition at line 42 of file range.h.

: Range(position, position) {}

Member Function Documentation

Contains()

constexpr bool gfx::Range::Contains ( const Range &  range ) const

inlineconstexpr

Definition at line 84 of file range.h.

                                                    {
    return range.IsBoundedBy(*this) &&
           // A non-empty range doesn't contain the range [max, max).
           (range.GetMax() != GetMax() || range.is_empty() == is_empty());
  }

References GetMax(), is_empty(), and IsBoundedBy().

Referenced by Intersect(), TEST(), and TEST().

end()

constexpr uint32_t gfx::Range::end ( ) const

inlineconstexpr

Definition at line 59 of file range.h.

{ return end_; }

Referenced by operator==(), TEST(), and ToString().

EqualsIgnoringDirection()

constexpr bool gfx::Range::EqualsIgnoringDirection ( const Range &  other ) const

inlineconstexpr

Definition at line 76 of file range.h.

                                                                   {
    return GetMin() == other.GetMin() && GetMax() == other.GetMax();
  }

References GetMax(), and GetMin().

GetMax()

constexpr uint32_t gfx::Range::GetMax ( ) const

inlineconstexpr

Definition at line 70 of file range.h.

{ return start() > end() ? start() : end(); }

References end, and start.

Referenced by Contains(), EqualsIgnoringDirection(), Intersect(), and IsBoundedBy().

GetMin()

constexpr uint32_t gfx::Range::GetMin ( ) const

inlineconstexpr

Definition at line 69 of file range.h.

{ return start() < end() ? start() : end(); }

References end, and start.

Referenced by EqualsIgnoringDirection(), Intersect(), and IsBoundedBy().

Intersect()

constexpr Range gfx::Range::Intersect ( const Range &  range ) const

inlineconstexpr

Definition at line 99 of file range.h.

                                                      {
    const uint32_t min = std::max(GetMin(), range.GetMin());
    const uint32_t max = std::min(GetMax(), range.GetMax());
    return (min < max || Contains(range) || range.Contains(*this)) ? Range(min, max)
                                                                   : InvalidRange();
  }

References Contains(), GetMax(), and GetMin().

Intersects()

constexpr bool gfx::Range::Intersects ( const Range &  range ) const

inlineconstexpr

Definition at line 81 of file range.h.

{ return Intersect(range).IsValid(); }

Referenced by TEST(), and TEST().

InvalidRange()

static constexpr Range gfx::Range::InvalidRange ( )

inlinestaticconstexpr

Definition at line 50 of file range.h.

{ return Range(std::numeric_limits<uint32_t>::max()); }

Referenced by TEST(), TEST(), and TEST().

is_empty()

constexpr bool gfx::Range::is_empty ( ) const

inlineconstexpr

Definition at line 66 of file range.h.

{ return start() == end(); }

References end, and start.

Referenced by Contains().

is_reversed()

constexpr bool gfx::Range::is_reversed ( ) const

inlineconstexpr

Definition at line 65 of file range.h.

{ return start() > end(); }

References end, and start.

IsBoundedBy()

constexpr bool gfx::Range::IsBoundedBy ( const Range &  range ) const

inlineconstexpr

Definition at line 92 of file range.h.

                                                       {
    return IsValid() && range.IsValid() && GetMin() >= range.GetMin() && GetMax() <= range.GetMax();
  }

References GetMax(), GetMin(), and IsValid().

Referenced by Contains(), and TEST().

IsValid()

constexpr bool gfx::Range::IsValid ( ) const

inlineconstexpr

Definition at line 53 of file range.h.

{ return *this != InvalidRange(); }

Referenced by IsBoundedBy().

length()

constexpr uint32_t gfx::Range::length ( ) const

inlineconstexpr

Definition at line 63 of file range.h.

{ return GetMax() - GetMin(); }

operator!=()

constexpr bool gfx::Range::operator!= ( const Range &  other ) const

inlineconstexpr

Definition at line 75 of file range.h.

{ return !(*this == other); }

operator==()

constexpr bool gfx::Range::operator== ( const Range &  other ) const

inlineconstexpr

Definition at line 72 of file range.h.

                                                      {
    return start() == other.start() && end() == other.end();
  }

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

set_end()

void gfx::Range::set_end ( uint32_t  end )

inline

Definition at line 60 of file range.h.

{ end_ = end; }

References end.

set_start()

void gfx::Range::set_start ( uint32_t  start )

inline

Definition at line 57 of file range.h.

{ start_ = start; }

References start.

start()

constexpr uint32_t gfx::Range::start ( ) const

inlineconstexpr

Definition at line 56 of file range.h.

{ return start_; }

Referenced by operator==(), TEST(), and ToString().

ToString()

std::string gfx::Range::ToString

(

)

const

Definition at line 14 of file range.cc.

                                {
  return base::StringPrintf("{%" PRIu32 ",%" PRIu32 "}", start(), end());
}

References end(), start(), and base::StringPrintf().

Referenced by gfx::operator<<(), and TEST().

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

• third_party/accessibility/gfx/range/range.h
• third_party/accessibility/gfx/range/range.cc