unibrow::Mapping< T, size > Class Template Reference

#include <unicode.h>

Inheritance diagram for unibrow::Mapping< T, size >:

Collaboration diagram for unibrow::Mapping< T, size >:

Classes
struct	CacheEntry

Public Member Functions
	Mapping ()
int	get (uchar c, uchar n, uchar *result)

Private Member Functions
int	CalculateValue (uchar c, uchar n, uchar *result)

Private Attributes
CacheEntry	entries_ [kSize]

Static Private Attributes
static const int	kSize = size
static const int	kMask = kSize - 1

Friends
class	Test

Detailed Description

template<class T, int size = 256>
class unibrow::Mapping< T, size >

Definition at line 52 of file unicode.h.

Constructor & Destructor Documentation

Mapping()

template<class T , int size = 256>

unibrow::Mapping< T, size >::Mapping ( )

inline

Definition at line 54 of file unicode.h.

{ }

Member Function Documentation

CalculateValue()

template<class T , int s>

int unibrow::Mapping< T, s >::CalculateValue ( uchar  c, uchar  n, uchar *  result  )

private

Definition at line 42 of file unicode-inl.h.

                   {
  bool allow_caching = true;
  int length = T::Convert(c, n, result, &allow_caching);
  if (allow_caching) {
    if (length == 1) {
      entries_[c & kMask] = CacheEntry(c, result[0] - c);
      return 1;
    } else {
      entries_[c & kMask] = CacheEntry(c, 0);
      return 0;
    }
  } else {
    return length;
  }
}

get()

template<class T , int s>

int unibrow::Mapping< T, s >::get ( uchar  c, uchar  n, uchar *  result  )

inline

Definition at line 27 of file unicode-inl.h.

                   {
  CacheEntry entry = entries_[c & kMask];
  if (entry.code_point_ == c) {
    if (entry.offset_ == 0) {
      return 0;
    } else {
      result[0] = c + entry.offset_;
      return 1;
    }
  } else {
    return CalculateValue(c, n, result);
  }
}

Referenced by v8::internal::CharacterRange::AddCaseEquivalents(), v8::internal::BackRefMatchesNoCase(), v8::internal::NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16(), v8::internal::ConvertCaseHelper(), and v8::internal::GetCaseIndependentLetters().

Here is the caller graph for this function:

Friends And Related Function Documentation

Test

template<class T , int size = 256>

friend class Test

friend

Definition at line 57 of file unicode.h.

Member Data Documentation

entries_

template<class T , int size = 256>

CacheEntry unibrow::Mapping< T, size >::entries_[kSize]

private

Definition at line 70 of file unicode.h.

kMask

template<class T , int size = 256>

const int unibrow::Mapping< T, size >::kMask = kSize - 1

staticprivate

Definition at line 69 of file unicode.h.

kSize

template<class T , int size = 256>

const int unibrow::Mapping< T, size >::kSize = size

staticprivate

Definition at line 68 of file unicode.h.

---

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

• /mnt/V8SourceCode/src/unicode.h
• /mnt/V8SourceCode/src/unicode-inl.h