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mirror of https://github.com/TomHarte/CLK.git synced 2025-11-02 18:16:08 +00:00

Adjust more dangling indentation changes.

This commit is contained in:
Thomas Harte
2024-12-04 22:29:08 -05:00
parent 3d2eefc7e7
commit ce5aae3f7d
45 changed files with 5530 additions and 5528 deletions

View File

@@ -26,81 +26,82 @@ constexpr uint8_t reverse_byte(uint8_t byte) {
}
/*! Provides a class capable of generating a CRC from source data. */
template <typename IntType, IntType reset_value, IntType output_xor, bool reflect_input, bool reflect_output> class Generator {
public:
/*!
Instantiates a CRC16 that will compute the CRC16 specified by the supplied
@c polynomial and @c reset_value.
*/
constexpr Generator(IntType polynomial) noexcept: value_(reset_value) {
const IntType top_bit = IntType(~(IntType(~0) >> 1));
for(int c = 0; c < 256; c++) {
IntType shift_value = IntType(c << multibyte_shift);
for(int b = 0; b < 8; b++) {
IntType exclusive_or = (shift_value&top_bit) ? polynomial : 0;
shift_value = IntType(shift_value << 1) ^ exclusive_or;
}
xor_table[c] = shift_value;
template <typename IntType, IntType reset_value, IntType output_xor, bool reflect_input, bool reflect_output>
class Generator {
public:
/*!
Instantiates a CRC16 that will compute the CRC16 specified by the supplied
@c polynomial and @c reset_value.
*/
constexpr Generator(IntType polynomial) noexcept: value_(reset_value) {
const IntType top_bit = IntType(~(IntType(~0) >> 1));
for(int c = 0; c < 256; c++) {
IntType shift_value = IntType(c << multibyte_shift);
for(int b = 0; b < 8; b++) {
IntType exclusive_or = (shift_value&top_bit) ? polynomial : 0;
shift_value = IntType(shift_value << 1) ^ exclusive_or;
}
xor_table[c] = shift_value;
}
}
/// Resets the CRC to the reset value.
void reset() { value_ = reset_value; }
/// Resets the CRC to the reset value.
void reset() { value_ = reset_value; }
/// Updates the CRC to include @c byte.
void add(uint8_t byte) {
if constexpr (reflect_input) byte = reverse_byte(byte);
value_ = IntType((value_ << 8) ^ xor_table[(value_ >> multibyte_shift) ^ byte]);
}
/// Updates the CRC to include @c byte.
void add(uint8_t byte) {
if constexpr (reflect_input) byte = reverse_byte(byte);
value_ = IntType((value_ << 8) ^ xor_table[(value_ >> multibyte_shift) ^ byte]);
}
/// @returns The current value of the CRC.
inline IntType get_value() const {
IntType result = value_ ^ output_xor;
if constexpr (reflect_output) {
IntType reflected_output = 0;
for(std::size_t c = 0; c < sizeof(IntType); ++c) {
reflected_output = IntType(reflected_output << 8) | IntType(reverse_byte(result & 0xff));
result >>= 8;
}
return reflected_output;
/// @returns The current value of the CRC.
inline IntType get_value() const {
IntType result = value_ ^ output_xor;
if constexpr (reflect_output) {
IntType reflected_output = 0;
for(std::size_t c = 0; c < sizeof(IntType); ++c) {
reflected_output = IntType(reflected_output << 8) | IntType(reverse_byte(result & 0xff));
result >>= 8;
}
return result;
return reflected_output;
}
return result;
}
/// Sets the current value of the CRC.
inline void set_value(IntType value) { value_ = value; }
/// Sets the current value of the CRC.
inline void set_value(IntType value) { value_ = value; }
/*!
A compound for:
/*!
A compound for:
reset()
[add all data from @c data]
get_value()
*/
template <typename Collection> IntType compute_crc(const Collection &data) {
return compute_crc(data.begin(), data.end());
reset()
[add all data from @c data]
get_value()
*/
template <typename Collection> IntType compute_crc(const Collection &data) {
return compute_crc(data.begin(), data.end());
}
/*!
A compound for:
reset()
[add all data from @c begin to @c end]
get_value()
*/
template <typename Iterator> IntType compute_crc(Iterator begin, Iterator end) {
reset();
while(begin != end) {
add(*begin);
++begin;
}
return get_value();
}
/*!
A compound for:
reset()
[add all data from @c begin to @c end]
get_value()
*/
template <typename Iterator> IntType compute_crc(Iterator begin, Iterator end) {
reset();
while(begin != end) {
add(*begin);
++begin;
}
return get_value();
}
private:
static constexpr int multibyte_shift = (sizeof(IntType) * 8) - 8;
IntType xor_table[256];
IntType value_;
private:
static constexpr int multibyte_shift = (sizeof(IntType) * 8) - 8;
IntType xor_table[256];
IntType value_;
};
/*!