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Data Structures | Public Types | Static Public Member Functions | Static Public Attributes
Utf8LengthHelper Class Reference
Inheritance diagram for Utf8LengthHelper:
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Collaboration diagram for Utf8LengthHelper:
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Data Structures

class  Visitor
 

Public Types

enum  State {
  kEndsWithLeadingSurrogate = 1 << 0, kStartsWithTrailingSurrogate = 1 << 1, kLeftmostEdgeIsCalculated = 1 << 2, kRightmostEdgeIsCalculated = 1 << 3,
  kLeftmostEdgeIsSurrogate = 1 << 4, kRightmostEdgeIsSurrogate = 1 << 5
}
 

Static Public Member Functions

static bool EndsWithSurrogate (uint8_t state)
 
static bool StartsWithSurrogate (uint8_t state)
 
static void MergeLeafLeft (int *length, uint8_t *state, uint8_t leaf_state)
 
static void MergeLeafRight (int *length, uint8_t *state, uint8_t leaf_state)
 
static void MergeTerminal (int *length, uint8_t state, uint8_t *state_out)
 
static int Calculate (i::ConsString *current, uint8_t *state_out)
 
static int Calculate (i::ConsString *current)
 

Static Public Attributes

static const uint8_t kInitialState = 0
 

Detailed Description

Definition at line 4266 of file api.cc.

Member Enumeration Documentation

enum State
Enumerator
kEndsWithLeadingSurrogate 
kStartsWithTrailingSurrogate 
kLeftmostEdgeIsCalculated 
kRightmostEdgeIsCalculated 
kLeftmostEdgeIsSurrogate 
kRightmostEdgeIsSurrogate 

Definition at line 4268 of file api.cc.

Member Function Documentation

static int Calculate ( i::ConsString *  current,
uint8_t *  state_out 
)
inlinestatic

Definition at line 4388 of file api.cc.

References ConsString::first(), Utf8LengthHelper::kInitialState, String::length(), Utf8LengthHelper::MergeLeafLeft(), Utf8LengthHelper::MergeLeafRight(), Utf8LengthHelper::MergeTerminal(), NULL, ConsString::second(), UNREACHABLE, and Utf8LengthHelper::Visitor::VisitFlat().

Referenced by Utf8LengthHelper::Calculate().

static int Calculate ( i::ConsString *  current)
inlinestatic

Definition at line 4439 of file api.cc.

References Utf8LengthHelper::Calculate(), and Utf8LengthHelper::kInitialState.

static bool EndsWithSurrogate ( uint8_t  state)
inlinestatic

Definition at line 4279 of file api.cc.

References Utf8LengthHelper::kEndsWithLeadingSurrogate.

Referenced by Utf8LengthHelper::MergeLeafLeft(), Utf8LengthHelper::MergeLeafRight(), and Utf8LengthHelper::MergeTerminal().

static void MergeLeafLeft ( int *  length,
uint8_t *  state,
uint8_t  leaf_state 
)
inlinestatic

Definition at line 4339 of file api.cc.

References ASSERT, Utf8LengthHelper::EndsWithSurrogate(), Utf8::kBytesSavedByCombiningSurrogates, Utf8LengthHelper::kEndsWithLeadingSurrogate, Utf8LengthHelper::kLeftmostEdgeIsCalculated, Utf8LengthHelper::kLeftmostEdgeIsSurrogate, and Utf8LengthHelper::StartsWithSurrogate().

Referenced by Utf8LengthHelper::Calculate().

static void MergeLeafRight ( int *  length,
uint8_t *  state,
uint8_t  leaf_state 
)
inlinestatic

Definition at line 4357 of file api.cc.

References ASSERT, Utf8LengthHelper::EndsWithSurrogate(), Utf8::kBytesSavedByCombiningSurrogates, Utf8LengthHelper::kRightmostEdgeIsCalculated, Utf8LengthHelper::kRightmostEdgeIsSurrogate, Utf8LengthHelper::kStartsWithTrailingSurrogate, and Utf8LengthHelper::StartsWithSurrogate().

Referenced by Utf8LengthHelper::Calculate().

static void MergeTerminal ( int *  length,
uint8_t  state,
uint8_t *  state_out 
)
inlinestatic

Definition at line 4375 of file api.cc.

References ASSERT, Utf8LengthHelper::EndsWithSurrogate(), Utf8::kBytesSavedByCombiningSurrogates, Utf8LengthHelper::kEndsWithLeadingSurrogate, Utf8LengthHelper::kInitialState, Utf8LengthHelper::kLeftmostEdgeIsCalculated, Utf8LengthHelper::kLeftmostEdgeIsSurrogate, Utf8LengthHelper::kRightmostEdgeIsCalculated, Utf8LengthHelper::kRightmostEdgeIsSurrogate, Utf8LengthHelper::kStartsWithTrailingSurrogate, and Utf8LengthHelper::StartsWithSurrogate().

Referenced by Utf8LengthHelper::Calculate().

static bool StartsWithSurrogate ( uint8_t  state)
inlinestatic

Definition at line 4283 of file api.cc.

References Utf8LengthHelper::kStartsWithTrailingSurrogate.

Referenced by Utf8LengthHelper::MergeLeafLeft(), Utf8LengthHelper::MergeLeafRight(), and Utf8LengthHelper::MergeTerminal().

Field Documentation

const uint8_t kInitialState = 0
static

Definition at line 4277 of file api.cc.

Referenced by Utf8LengthHelper::Calculate(), Utf8LengthHelper::MergeTerminal(), and Utf8LengthHelper::Visitor::VisitOneByteString().

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