From 52dc6e82e94f11047e907e04a64d13fd877d4e49 Mon Sep 17 00:00:00 2001
From: Maksim Denisov <denisov.maksim@huawei.com>
Date: Tue, 27 Aug 2024 16:52:18 +0200
Subject: Implement HashInfo class

...that validates hashes and stores some additional information about them.
---
 src/utils/cpp/hex_string.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/utils/cpp/hex_string.hpp')

diff --git a/src/utils/cpp/hex_string.hpp b/src/utils/cpp/hex_string.hpp
index 23544d49..4b0124c4 100644
--- a/src/utils/cpp/hex_string.hpp
+++ b/src/utils/cpp/hex_string.hpp
@@ -15,6 +15,8 @@
 #ifndef INCLUDED_SRC_UTILS_CPP_HEX_STRING_HPP
 #define INCLUDED_SRC_UTILS_CPP_HEX_STRING_HPP
 
+#include <algorithm>
+#include <cctype>
 #include <cstddef>
 #include <iomanip>
 #include <iostream>
@@ -22,6 +24,12 @@
 #include <sstream>
 #include <string>
 
+[[nodiscard]] static inline auto IsHexString(std::string const& s) noexcept
+    -> bool {
+    return std::all_of(
+        s.begin(), s.end(), [](unsigned char c) { return std::isxdigit(c); });
+}
+
 [[nodiscard]] static inline auto ToHexString(std::string const& bytes)
     -> std::string {
     std::ostringstream ss{};
-- 
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