diff --git a/absl/strings/ascii.cc b/absl/strings/ascii.cc index abea3e4..16d0bcc 100644 --- a/absl/strings/ascii.cc +++ b/absl/strings/ascii.cc @@ -51,108 +51,6 @@ namespace ascii_internal { // elif i % 16 == 15: // print -// clang-format off -// Array of bitfields holding character information. Each bit value corresponds -// to a particular character feature. For readability, and because the value -// of these bits is tightly coupled to this implementation, the individual bits -// are not named. Note that bitfields for all characters above ASCII 127 are -// zero-initialized. -const unsigned char kPropertyBits[256] = { - 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, // 0x00 - 0x40, 0x68, 0x48, 0x48, 0x48, 0x48, 0x40, 0x40, - 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, // 0x10 - 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, - 0x28, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, // 0x20 - 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, - 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, // 0x30 - 0x84, 0x84, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, - 0x10, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x05, // 0x40 - 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, - 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, // 0x50 - 0x05, 0x05, 0x05, 0x10, 0x10, 0x10, 0x10, 0x10, - 0x10, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x05, // 0x60 - 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, - 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, // 0x70 - 0x05, 0x05, 0x05, 0x10, 0x10, 0x10, 0x10, 0x40, -}; - -// Array of characters for the ascii_tolower() function. For values 'A' -// through 'Z', return the lower-case character; otherwise, return the -// identity of the passed character. -const char kToLower[256] = { - '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', - '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', - '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', - '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', - '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', - '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', - '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', - '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', - '\x40', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', - 'x', 'y', 'z', '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', - '\x60', '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', - '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', - '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', - '\x78', '\x79', '\x7a', '\x7b', '\x7c', '\x7d', '\x7e', '\x7f', - '\x80', '\x81', '\x82', '\x83', '\x84', '\x85', '\x86', '\x87', - '\x88', '\x89', '\x8a', '\x8b', '\x8c', '\x8d', '\x8e', '\x8f', - '\x90', '\x91', '\x92', '\x93', '\x94', '\x95', '\x96', '\x97', - '\x98', '\x99', '\x9a', '\x9b', '\x9c', '\x9d', '\x9e', '\x9f', - '\xa0', '\xa1', '\xa2', '\xa3', '\xa4', '\xa5', '\xa6', '\xa7', - '\xa8', '\xa9', '\xaa', '\xab', '\xac', '\xad', '\xae', '\xaf', - '\xb0', '\xb1', '\xb2', '\xb3', '\xb4', '\xb5', '\xb6', '\xb7', - '\xb8', '\xb9', '\xba', '\xbb', '\xbc', '\xbd', '\xbe', '\xbf', - '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', - '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce', '\xcf', - '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd7', - '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde', '\xdf', - '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', - '\xe8', '\xe9', '\xea', '\xeb', '\xec', '\xed', '\xee', '\xef', - '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf7', - '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff', -}; - -// Array of characters for the ascii_toupper() function. For values 'a' -// through 'z', return the upper-case character; otherwise, return the -// identity of the passed character. -const char kToUpper[256] = { - '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', - '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', - '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', - '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', - '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', - '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', - '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', - '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', - '\x40', '\x41', '\x42', '\x43', '\x44', '\x45', '\x46', '\x47', - '\x48', '\x49', '\x4a', '\x4b', '\x4c', '\x4d', '\x4e', '\x4f', - '\x50', '\x51', '\x52', '\x53', '\x54', '\x55', '\x56', '\x57', - '\x58', '\x59', '\x5a', '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', - '\x60', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '\x7b', '\x7c', '\x7d', '\x7e', '\x7f', - '\x80', '\x81', '\x82', '\x83', '\x84', '\x85', '\x86', '\x87', - '\x88', '\x89', '\x8a', '\x8b', '\x8c', '\x8d', '\x8e', '\x8f', - '\x90', '\x91', '\x92', '\x93', '\x94', '\x95', '\x96', '\x97', - '\x98', '\x99', '\x9a', '\x9b', '\x9c', '\x9d', '\x9e', '\x9f', - '\xa0', '\xa1', '\xa2', '\xa3', '\xa4', '\xa5', '\xa6', '\xa7', - '\xa8', '\xa9', '\xaa', '\xab', '\xac', '\xad', '\xae', '\xaf', - '\xb0', '\xb1', '\xb2', '\xb3', '\xb4', '\xb5', '\xb6', '\xb7', - '\xb8', '\xb9', '\xba', '\xbb', '\xbc', '\xbd', '\xbe', '\xbf', - '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', - '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce', '\xcf', - '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd7', - '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde', '\xdf', - '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', - '\xe8', '\xe9', '\xea', '\xeb', '\xec', '\xed', '\xee', '\xef', - '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf7', - '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff', -}; -// clang-format on - } // namespace ascii_internal void AsciiStrToLower(std::string* s) { diff --git a/absl/strings/ascii.h b/absl/strings/ascii.h index 792aabe..989e464 100644 --- a/absl/strings/ascii.h +++ b/absl/strings/ascii.h @@ -62,14 +62,105 @@ namespace absl { ABSL_NAMESPACE_BEGIN namespace ascii_internal { -// Declaration for an array of bitfields holding character information. -extern const unsigned char kPropertyBits[256]; - -// Declaration for the array of characters to upper-case characters. -extern const char kToUpper[256]; - -// Declaration for the array of characters to lower-case characters. -extern const char kToLower[256]; +// Array of bitfields holding character information. Each bit value corresponds +// to a particular character feature. For readability, and because the value +// of these bits is tightly coupled to this implementation, the individual bits +// are not named. Note that bitfields for all characters above ASCII 127 are +// zero-initialized. +const unsigned char kPropertyBits[256] = { + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, // 0x00 + 0x40, 0x68, 0x48, 0x48, 0x48, 0x48, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, // 0x10 + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x28, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, // 0x20 + 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, + 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, // 0x30 + 0x84, 0x84, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, + 0x10, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x05, // 0x40 + 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, + 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, // 0x50 + 0x05, 0x05, 0x05, 0x10, 0x10, 0x10, 0x10, 0x10, + 0x10, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x05, // 0x60 + 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, + 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, // 0x70 + 0x05, 0x05, 0x05, 0x10, 0x10, 0x10, 0x10, 0x40, +}; + +// Array of characters for the ascii_tolower() function. For values 'A' +// through 'Z', return the lower-case character; otherwise, return the +// identity of the passed character. +const char kToLower[256] = { + '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', + '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', + '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', + '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', + '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', + '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', + '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', + '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', + '\x40', 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', + 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', + 'x', 'y', 'z', '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', + '\x60', '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', + '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', + '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', + '\x78', '\x79', '\x7a', '\x7b', '\x7c', '\x7d', '\x7e', '\x7f', + '\x80', '\x81', '\x82', '\x83', '\x84', '\x85', '\x86', '\x87', + '\x88', '\x89', '\x8a', '\x8b', '\x8c', '\x8d', '\x8e', '\x8f', + '\x90', '\x91', '\x92', '\x93', '\x94', '\x95', '\x96', '\x97', + '\x98', '\x99', '\x9a', '\x9b', '\x9c', '\x9d', '\x9e', '\x9f', + '\xa0', '\xa1', '\xa2', '\xa3', '\xa4', '\xa5', '\xa6', '\xa7', + '\xa8', '\xa9', '\xaa', '\xab', '\xac', '\xad', '\xae', '\xaf', + '\xb0', '\xb1', '\xb2', '\xb3', '\xb4', '\xb5', '\xb6', '\xb7', + '\xb8', '\xb9', '\xba', '\xbb', '\xbc', '\xbd', '\xbe', '\xbf', + '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', + '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce', '\xcf', + '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd7', + '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde', '\xdf', + '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', + '\xe8', '\xe9', '\xea', '\xeb', '\xec', '\xed', '\xee', '\xef', + '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf7', + '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff', +}; + +// Array of characters for the ascii_toupper() function. For values 'a' +// through 'z', return the upper-case character; otherwise, return the +// identity of the passed character. +const char kToUpper[256] = { + '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', + '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', + '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', + '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', + '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', + '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', + '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', + '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', + '\x40', '\x41', '\x42', '\x43', '\x44', '\x45', '\x46', '\x47', + '\x48', '\x49', '\x4a', '\x4b', '\x4c', '\x4d', '\x4e', '\x4f', + '\x50', '\x51', '\x52', '\x53', '\x54', '\x55', '\x56', '\x57', + '\x58', '\x59', '\x5a', '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', + '\x60', 'A', 'B', 'C', 'D', 'E', 'F', 'G', + 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', + 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', + 'X', 'Y', 'Z', '\x7b', '\x7c', '\x7d', '\x7e', '\x7f', + '\x80', '\x81', '\x82', '\x83', '\x84', '\x85', '\x86', '\x87', + '\x88', '\x89', '\x8a', '\x8b', '\x8c', '\x8d', '\x8e', '\x8f', + '\x90', '\x91', '\x92', '\x93', '\x94', '\x95', '\x96', '\x97', + '\x98', '\x99', '\x9a', '\x9b', '\x9c', '\x9d', '\x9e', '\x9f', + '\xa0', '\xa1', '\xa2', '\xa3', '\xa4', '\xa5', '\xa6', '\xa7', + '\xa8', '\xa9', '\xaa', '\xab', '\xac', '\xad', '\xae', '\xaf', + '\xb0', '\xb1', '\xb2', '\xb3', '\xb4', '\xb5', '\xb6', '\xb7', + '\xb8', '\xb9', '\xba', '\xbb', '\xbc', '\xbd', '\xbe', '\xbf', + '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', + '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce', '\xcf', + '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd7', + '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde', '\xdf', + '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', + '\xe8', '\xe9', '\xea', '\xeb', '\xec', '\xed', '\xee', '\xef', + '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf7', + '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff', +}; } // namespace ascii_internal