unicode.cc.svn-base

Google浏览器V8内核代码

static const uint16_t kNumberTable3[4] = { 54112, 21361, 55246, 22527 }; // NOLINT
bool Number::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kNumberTable0,
                                       kNumberTable0Size,
                                       c);
    case 1: return LookupPredicate(kNumberTable1,
                                       kNumberTable1Size,
                                       c);
    case 2: return LookupPredicate(kNumberTable2,
                                       kNumberTable2Size,
                                       c);
    case 3: return LookupPredicate(kNumberTable3,
                                       kNumberTable3Size,
                                       c);
    default: return false;
  }
}

// DecimalDigit:         point.category == 'Nd'

static const uint16_t kDecimalDigitTable0Size = 44;
static const uint16_t kDecimalDigitTable0[44] = { 32816, 57, 34400, 1641, 34544, 1785, 34752, 1993, 35174, 2415, 35302, 2543, 35430, 2671, 35558, 2799, 35686, 2927, 35814, 3055, 35942, 3183, 36070, 3311, 36198, 3439, 36432, 3673, 36560, 3801, 36640, 3881, 36928, 4169, 38880, 6121, 38928, 6169, 39238, 6479, 39376, 6617, 39760, 7001 }; // NOLINT
static const uint16_t kDecimalDigitTable1Size = 2;
static const uint16_t kDecimalDigitTable1[2] = { 65296, 32537 }; // NOLINT
static const uint16_t kDecimalDigitTable2Size = 2;
static const uint16_t kDecimalDigitTable2[2] = { 33952, 1193 }; // NOLINT
static const uint16_t kDecimalDigitTable3Size = 2;
static const uint16_t kDecimalDigitTable3[2] = { 55246, 22527 }; // NOLINT
bool DecimalDigit::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kDecimalDigitTable0,
                                       kDecimalDigitTable0Size,
                                       c);
    case 1: return LookupPredicate(kDecimalDigitTable1,
                                       kDecimalDigitTable1Size,
                                       c);
    case 2: return LookupPredicate(kDecimalDigitTable2,
                                       kDecimalDigitTable2Size,
                                       c);
    case 3: return LookupPredicate(kDecimalDigitTable3,
                                       kDecimalDigitTable3Size,
                                       c);
    default: return false;
  }
}

// Ideographic:          'Id' in point.properties

static const uint16_t kIdeographicTable0Size = 10;
static const uint16_t kIdeographicTable0[10] = { 45062, 12295, 45089, 12329, 45112, 12346, 46080, 19893, 52736, 32767 }; // NOLINT
static const uint16_t kIdeographicTable1Size = 6;
static const uint16_t kIdeographicTable1[6] = { 32768, 8123, 63744, 31277, 64112, 31449 }; // NOLINT
static const uint16_t kIdeographicTable4Size = 2;
static const uint16_t kIdeographicTable4[2] = { 32768, 32767 }; // NOLINT
static const uint16_t kIdeographicTable5Size = 4;
static const uint16_t kIdeographicTable5[4] = { 32768, 9942, 63488, 31261 }; // NOLINT
bool Ideographic::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kIdeographicTable0,
                                       kIdeographicTable0Size,
                                       c);
    case 1: return LookupPredicate(kIdeographicTable1,
                                       kIdeographicTable1Size,
                                       c);
    case 4: return LookupPredicate(kIdeographicTable4,
                                       kIdeographicTable4Size,
                                       c);
    case 5: return LookupPredicate(kIdeographicTable5,
                                       kIdeographicTable5Size,
                                       c);
    default: return false;
  }
}

// WhiteSpace:           'Ws' in point.properties

static const uint16_t kWhiteSpaceTable0Size = 14;
static const uint16_t kWhiteSpaceTable0[14] = { 32777, 13, 32, 133, 160, 5760, 6158, 40960, 8202, 41000, 8233, 8239, 8287, 12288 }; // NOLINT
bool WhiteSpace::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kWhiteSpaceTable0,
                                       kWhiteSpaceTable0Size,
                                       c);
    default: return false;
  }
}

// HexDigit:             'Hd' in point.properties

static const uint16_t kHexDigitTable0Size = 6;
static const uint16_t kHexDigitTable0[6] = { 32816, 57, 32833, 70, 32865, 102 }; // NOLINT
static const uint16_t kHexDigitTable1Size = 6;
static const uint16_t kHexDigitTable1[6] = { 65296, 32537, 65313, 32550, 65345, 32582 }; // NOLINT
bool HexDigit::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kHexDigitTable0,
                                       kHexDigitTable0Size,
                                       c);
    case 1: return LookupPredicate(kHexDigitTable1,
                                       kHexDigitTable1Size,
                                       c);
    default: return false;
  }
}

// AsciiHexDigit:        'Ah' in point.properties

static const uint16_t kAsciiHexDigitTable0Size = 6;
static const uint16_t kAsciiHexDigitTable0[6] = { 32816, 57, 32833, 70, 32865, 102 }; // NOLINT
bool AsciiHexDigit::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kAsciiHexDigitTable0,
                                       kAsciiHexDigitTable0Size,
                                       c);
    default: return false;
  }
}

// BidiControl:          'Bc' in point.properties

static const uint16_t kBidiControlTable0Size = 4;
static const uint16_t kBidiControlTable0[4] = { 40974, 8207, 41002, 8238 }; // NOLINT
bool BidiControl::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kBidiControlTable0,
                                       kBidiControlTable0Size,
                                       c);
    default: return false;
  }
}

// JoinControl:          'Jc' in point.properties

static const uint16_t kJoinControlTable0Size = 2;
static const uint16_t kJoinControlTable0[2] = { 40972, 8205 }; // NOLINT
bool JoinControl::Is(uchar c) {
  int chunk_index = c >> 15;
  switch (chunk_index) {
    case 0: return LookupPredicate(kJoinControlTable0,
                                       kJoinControlTable0Size,
                                       c);
    default: return false;
  }
}