From bd831df8608d03c9db608b2103972681d2db2775 Mon Sep 17 00:00:00 2001
From: Fabian Peller-Konrad <fabian.peller-konrad@kit.edu>
Date: Tue, 1 Mar 2022 09:32:55 +0100
Subject: [PATCH] added string count method
---
SimoxUtility/algorithm/string/string_tools.cpp | 14 ++++++++++++++
SimoxUtility/algorithm/string/string_tools.h | 10 ++++++++++
2 files changed, 24 insertions(+)
diff --git a/SimoxUtility/algorithm/string/string_tools.cpp b/SimoxUtility/algorithm/string/string_tools.cpp
index 6e2de9244..d58391f0a 100644
--- a/SimoxUtility/algorithm/string/string_tools.cpp
+++ b/SimoxUtility/algorithm/string/string_tools.cpp
@@ -176,6 +176,20 @@ bool alg::contains(const std::string& haystack, const std::string& needle)
return boost::algorithm::contains(haystack, needle);
}
+unsigned long alg::count(const std::string& input, const std::string& search)
+{
+ auto start = 0U;
+ auto end = input.find(search);
+ unsigned long num = 0;
+ while (end != std::string::npos)
+ {
+ num++;
+ start = end + search.length();
+ end = input.find(search, start);
+ }
+ return num;
+}
+
std::string alg::remove_prefix(const std::string& string, const std::string& prefix)
{
diff --git a/SimoxUtility/algorithm/string/string_tools.h b/SimoxUtility/algorithm/string/string_tools.h
index 73e2ba7fe..656b721fd 100644
--- a/SimoxUtility/algorithm/string/string_tools.h
+++ b/SimoxUtility/algorithm/string/string_tools.h
@@ -100,6 +100,16 @@ namespace simox::alg
return string.find(character) != std::string::npos;
}
+ unsigned long count(const std::string& input, const std::string& search);
+ inline unsigned long count(const std::string& input, const char* search)
+ {
+ return count(input, std::string(search));
+ }
+ inline unsigned long count(const std::string& input, const char search)
+ {
+ return count(input, std::to_string(search));
+ }
+
/**
* @brief If `string` begins with `prefix`, return `string` without the
--
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