#include <object.h>

Inheritance diagram for dart::String::CodePointIterator:

Public Member Functions
	CodePointIterator (const String &str)

	CodePointIterator (const String &str, intptr_t start, intptr_t length)

int32_t	Current () const

bool	Next ()

Public Member Functions inherited from dart::ValueObject
	ValueObject ()

	~ValueObject ()

Detailed Description

Definition at line 10160 of file object.h.

Constructor & Destructor Documentation

◆ CodePointIterator() [1/2]

dart::String::CodePointIterator::CodePointIterator ( const String & str )

inlineexplicit

Definition at line 10162 of file object.h.

        : str_(str), ch_(0), index_(-1), end_(str.Length()) {
      ASSERT(!str_.IsNull());
    }

◆ CodePointIterator() [2/2]

dart::String::CodePointIterator::CodePointIterator	(	const String &	str,
		intptr_t	start,
		intptr_t	length
	)

inline

Definition at line 10167 of file object.h.

        : str_(str), ch_(0), index_(start - 1), end_(start + length) {
      ASSERT(start >= 0);
      ASSERT(end_ <= str.Length());
    }

Member Function Documentation

◆ Current()

int32_t dart::String::CodePointIterator::Current ( ) const

inline

Definition at line 10173 of file object.h.

                            {
      ASSERT(index_ >= 0);
      ASSERT(index_ < end_);
      return ch_;
    }

◆ Next()

bool dart::String::CodePointIterator::Next ( )

Definition at line 24397 of file object.cc.

                                   {
  ASSERT(index_ >= -1);
  intptr_t length = Utf16::Length(ch_);
  if (index_ < (end_ - length)) {
    index_ += length;
    ch_ = str_.CharAt(index_);
    if (Utf16::IsLeadSurrogate(ch_) && (index_ < (end_ - 1))) {
      int32_t ch2 = str_.CharAt(index_ + 1);
      if (Utf16::IsTrailSurrogate(ch2)) {
        ch_ = Utf16::Decode(ch_, ch2);
      }
    }
    return true;
  }
  index_ = end_;
  return false;
}

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

third_party/dart-lang/sdk/runtime/vm/object.h
third_party/dart-lang/sdk/runtime/vm/object.cc