From 510da5d8de7928a80aa35220976967860591fae2 Mon Sep 17 00:00:00 2001
From: Thilo Graf <dbt@novatux.de>
Date: Thu, 28 Mar 2019 20:55:49 +0100
Subject: [PATCH] helpers: add trim methodes for left and right trim

Origin commit data
------------------
Commit: https://github.com/neutrino-images/ni-neutrino/commit/5e1b9aaa4d4c41c057539a22358469ef53d1056f
Author: Thilo Graf <dbt@novatux.de>
Date: 2019-03-28 (Thu, 28 Mar 2019)
---
 src/system/helpers.cpp | 12 ++++++++++++
 src/system/helpers.h   |  4 +++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index 3037a7a81..e101cc8b9 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -613,6 +613,18 @@ std::string trim(std::string &str, const std::string &trimChars /*= " \n\r\t"*/)
 	return result.erase(0, result.find_first_not_of(trimChars));
 }
 
+std::string ltrim(std::string& str, const std::string& trimChars)
+{
+	str.erase(0, str.find_first_not_of(trimChars));
+	return str;
+}
+
+std::string rtrim(std::string& str, const std::string& trimChars)
+{
+    str.erase(str.find_last_not_of(trimChars) + 1);
+    return str;
+}
+
 std::string cutString(const std::string str, int msgFont, const int width)
 {
 	Font *msgFont_ = g_Font[msgFont];
diff --git a/src/system/helpers.h b/src/system/helpers.h
index 6feed86a8..e5d8cd3a8 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -71,7 +71,9 @@ std::string getBaseName(std::string &path);
 std::string getFileName(std::string &file);
 std::string getFileExt(std::string &file);
 std::string getNowTimeStr(const char* format);
-std::string trim(std::string &str, const std::string &trimChars = " \n\r\t");
+std::string trim(std::string& str, const std::string& trimChars = " \n\r\t");
+std::string ltrim(std::string& str, const std::string& trimChars = " \n\r\t");
+std::string rtrim(std::string& str, const std::string& trimChars = " \n\r\t");
 std::string cutString(const std::string str, int msgFont, const int width);
 std::string strftime(const char *format, const struct tm *tm);
 std::string strftime(const char *format, time_t when, bool gm = false);