4.5.1

BehaviorTree · Jan 23, 2024 · 2c2efef · 2c2efef
1 parent 19a5b50
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diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -2,8 +2,8 @@
 Changelog for package behaviortree_cpp
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Forthcoming
------------
+4.5.1 (2024-01-23)
+------------------
 * Support enums and real numbers in Node Switch
 * improve Any::castPtr and add example
 * fix issue `#748 <https://github.com/BehaviorTree/BehaviorTree.CPP/issues/748>`_ : static error messages

diff --git a/README.md b/README.md
@@ -1,11 +1,11 @@
 ![License MIT](https://img.shields.io/github/license/BehaviorTree/BehaviorTree.CPP?color=blue)
-![Version](https://img.shields.io/badge/version-4.4-blue.svg)
+![Version](https://img.shields.io/badge/version-4.5-blue.svg)
 [![conan Ubuntu](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_ubuntu.yml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_ubuntu.yml)
 [![conan Windows](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_windows.yml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_windows.yml)
 [![ros1](https://github.com/BehaviorTree/BehaviorTree.CPP/workflows/ros1/badge.svg?branch=master)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions?query=workflow%3Aros1)
 [![ros2](https://github.com/BehaviorTree/BehaviorTree.CPP/workflows/ros2/badge.svg?branch=master)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions?query=workflow%3Aros2)
 
-# BehaviorTree.CPP 4.4
+# BehaviorTree.CPP 4.5
 
 <p align="center"><img width=350 src="animated.svg"></p>
 

diff --git a/package.xml b/package.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package format="3">
  <name>behaviortree_cpp</name>
- <version>4.5.0</version>
+ <version>4.5.1</version>
  <description>
  This package provides the Behavior Trees core library.
  </description>

diff --git a/src/controls/switch_node.cpp b/src/controls/switch_node.cpp
@@ -12,6 +12,10 @@
 
 #include "behaviortree_cpp/controls/switch_node.h"
 
+#if __has_include(<charconv>)
+#include <charconv>
+#endif
+
 namespace BT::details
 {
 
@@ -35,8 +39,18 @@ bool CheckStringEquality(const std::string &v1, const std::string &v2,
  return true;
  }
  }
+#if __cpp_lib_to_chars >= 201611L
  auto [ptr, ec] = std::from_chars(str.data(), str.data() + str.size(), result);
  return (ec == std::errc());
+#else
+ try {
+ result = std::stoi(str);
+ return true;
+ }
+ catch(...) {
+ return false;
+ }
+#endif
  };
  int v1_int = 0;
  int v2_int = 0;
@@ -47,8 +61,18 @@ bool CheckStringEquality(const std::string &v1, const std::string &v2,
  // compare as real numbers next
  auto ToReal = [](const std::string& str, auto& result) -> bool
  {
+#if __cpp_lib_to_chars >= 201611L
  auto [ptr, ec] = std::from_chars(str.data(), str.data() + str.size(), result);
  return (ec == std::errc());
+#else
+ try {
+ result = std::stod(str);
+ return true;
+ }
+ catch(...) {
+ return false;
+ }
+#endif
  };
  double v1_real = 0;
  double v2_real = 0;