From 2d27ef6190eb6212466b3dfdc295825bb52e4aef Mon Sep 17 00:00:00 2001
From: chrchr <christian.riesch@live.com>
Date: Mon, 18 Sep 2023 09:56:20 +0200
Subject: [PATCH] Add helper function From cppcheck#4701 Co-authored-by:
 gerboengels github@gerbo.org

---
 simplecpp.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/simplecpp.h b/simplecpp.h
index b6124953..152cd9ff 100755
--- a/simplecpp.h
+++ b/simplecpp.h
@@ -120,7 +120,7 @@ namespace simplecpp {
             name = (std::isalpha(static_cast<unsigned char>(string[0])) || string[0] == '_' || string[0] == '$')
                    && (std::memchr(string.c_str(), '\'', string.size()) == nullptr);
             comment = string.size() > 1U && string[0] == '/' && (string[1] == '/' || string[1] == '*');
-            number = std::isdigit(static_cast<unsigned char>(string[0])) || (string.size() > 1U && (string[0] == '-' || string[0] == '+') && std::isdigit(static_cast<unsigned char>(string[1])));
+            number = isNumberLike(string);
             op = (string.size() == 1U && !name && !comment && !number) ? string[0] : '\0';
         }
 
@@ -135,6 +135,10 @@ namespace simplecpp {
         bool isOneOf(const char ops[]) const;
         bool startsWithOneOf(const char c[]) const;
         bool endsWithOneOf(const char c[]) const;
+        static bool SIMPLECPP_LIB isNumberLike(const std::string& str) {
+            return std::isdigit(static_cast<unsigned char>(str[0])) ||
+                   (str.size() > 1U && (str[0] == '-' || str[0] == '+') && std::isdigit(static_cast<unsigned char>(str[1])));
+        }
 
         TokenString macro;
         char op;