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[StringExtras] overload toHex for ArrayRef<uint8_t>

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llvm-svn: 305411
This commit is contained in:
Zachary Turner 2017-06-14 20:11:46 +00:00
parent 98f62da37e
commit b29f3388f1
1 changed files with 11 additions and 1 deletions
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12
include/llvm/ADT/StringExtras.h
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@ -14,6 +14,7 @@
#ifndef LLVM_ADT_STRINGEXTRAS_H
#define LLVM_ADT_STRINGEXTRAS_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include <cassert>
#include <cstddef>
@ -40,6 +41,11 @@ static inline StringRef toStringRef(bool B) {
return StringRef(B ? "true" : "false");
}
/// Construct a string ref from an array ref of unsigned chars.
static inline StringRef toStringRef(ArrayRef<uint8_t> Input) {
return StringRef(reinterpret_cast<const char *>(Input.begin()), Input.size());
}
/// Interpret the given character \p C as a hexadecimal digit and return its
/// value.
///
@ -68,7 +74,7 @@ static inline std::string utohexstr(uint64_t X, bool LowerCase = false) {
/// Convert buffer \p Input to its hexadecimal representation.
/// The returned string is double the size of \p Input.
static inline std::string toHex(StringRef Input) {
inline std::string toHex(StringRef Input) {
static const char *const LUT = "0123456789ABCDEF";
size_t Length = Input.size();
@ -82,6 +88,10 @@ static inline std::string toHex(StringRef Input) {
return Output;
}
inline std::string toHex(ArrayRef<uint8_t> Input) {
return toHex(toStringRef(Input));
}
static inline uint8_t hexFromNibbles(char MSB, char LSB) {
unsigned U1 = hexDigitValue(MSB);
unsigned U2 = hexDigitValue(LSB);