dart::StringSlice Class Reference

#include <canonical_tables.h>

Public Member Functions
	StringSlice (const String &str, intptr_t begin_index, intptr_t length)
StringPtr	ToSymbol () const
bool	Equals (const String &other) const
uword	Hash () const

Detailed Description

Definition at line 44 of file canonical_tables.h.

Constructor & Destructor Documentation

StringSlice()

dart::StringSlice::StringSlice ( const String &  str, intptr_t  begin_index, intptr_t  length  )

inline

Definition at line 46 of file canonical_tables.h.

      : str_(str), begin_index_(begin_index), len_(length) {
    hash_ = is_all() ? str.Hash() : String::Hash(str, begin_index, length);
  }

Member Function Documentation

Equals()

bool dart::StringSlice::Equals ( const String &  other ) const

inline

Definition at line 51 of file canonical_tables.h.

                                         {
    ASSERT(other.HasHash());
    if (other.Hash() != hash_) {
      return false;
    }
    return other.Equals(str_, begin_index_, len_);
  }

Hash()

uword dart::StringSlice::Hash ( ) const

inline

Definition at line 58 of file canonical_tables.h.

{ return hash_; }

ToSymbol()

StringPtr dart::StringSlice::ToSymbol

(

)

const

Definition at line 46 of file symbols.cc.

                                      {
  if (is_all() && str_.IsOld()) {
    str_.SetCanonical();
    return str_.ptr();
  } else {
    String& result =
        String::Handle(String::SubString(str_, begin_index_, len_, Heap::kOld));
    result.SetCanonical();
    result.SetHash(hash_);
    return result.ptr();
  }
}

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

• third_party/dart-lang/sdk/runtime/vm/canonical_tables.h
• third_party/dart-lang/sdk/runtime/vm/symbols.cc