Line data    Source code

       1             : // Copyright 2018 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "test/cctest/unicode-helpers.h"
       6             : 
       7           0 : int Ucs2CharLength(unibrow::uchar c) {
       8     2537775 :   if (c == unibrow::Utf8::kIncomplete || c == unibrow::Utf8::kBufferEmpty) {
       9             :     return 0;
      10     2465220 :   } else if (c < 0xFFFF) {
      11             :     return 1;
      12             :   } else {
      13           0 :     return 2;
      14             :   }
      15             : }
      16             : 
      17       72410 : int Utf8LengthHelper(const char* s) {
      18       72410 :   unibrow::Utf8::Utf8IncrementalBuffer buffer(unibrow::Utf8::kBufferEmpty);
      19       72410 :   unibrow::Utf8::State state = unibrow::Utf8::State::kAccept;
      20             : 
      21             :   int length = 0;
      22       72410 :   size_t i = 0;
      23     2610185 :   while (s[i] != '\0') {
      24             :     unibrow::uchar tmp =
      25     2465365 :         unibrow::Utf8::ValueOfIncremental(s[i], &i, &state, &buffer);
      26     2465365 :     length += Ucs2CharLength(tmp);
      27             :   }
      28       72410 :   unibrow::uchar tmp = unibrow::Utf8::ValueOfIncrementalFinish(&state);
      29       72410 :   length += Ucs2CharLength(tmp);
      30       72410 :   return length;
      31       85011 : }