pull in latest 10.4 from upstream

3 files changed, 50 insertions, 21 deletions

diff --git a/zenXml/zenxml/cvrt_struc.h b/zenXml/zenxml/cvrt_struc.h
index 11795107..85c5d8d0 100755
--- a/zenXml/zenxml/cvrt_struc.h
+++ b/zenXml/zenxml/cvrt_struc.h
@@ -65,21 +65,19 @@ using IsStlContainer = std::bool_constant<
                        impl_2384343::HasMember_insert            <T>::value>;
 
 
-namespace impl_2384343
+template <class T>
+struct IsStlPair
 {
-ZEN_INIT_DETECT_MEMBER_TYPE(first_type);
-ZEN_INIT_DETECT_MEMBER_TYPE(second_type);
-
-ZEN_INIT_DETECT_MEMBER(first)   //we don't know the exact declaration of the member attribute: may be in a base class!
-ZEN_INIT_DETECT_MEMBER(second)  //
-}
-
-template <typename T>
-using IsStlPair = std::bool_constant<
-                  impl_2384343::HasMemberType_first_type <T>::value &&
-                  impl_2384343::HasMemberType_second_type<T>::value &&
-                  impl_2384343::HasMember_first          <T>::value &&
-                  impl_2384343::HasMember_second         <T>::value>;
+private:
+    using Yes = char[1];
+    using No  = char[2];
+
+    template <class T1, class T2>
+    static Yes& isPair(const std::pair<T1, T2>&);
+    static  No& isPair(...);
+public:
+    enum { value = sizeof(isPair(std::declval<T>())) == sizeof(Yes) };
+};
 
 //######################################################################################
 
diff --git a/zenXml/zenxml/cvrt_text.h b/zenXml/zenxml/cvrt_text.h
index 32a961b2..c6dab8c2 100755
--- a/zenXml/zenxml/cvrt_text.h
+++ b/zenXml/zenxml/cvrt_text.h
@@ -7,6 +7,7 @@
 #ifndef CVRT_TEXT_H_018727339083427097434
 #define CVRT_TEXT_H_018727339083427097434
 
+#include <chrono>
 #include <zen/utf.h>
 #include <zen/string_tools.h>
 
@@ -101,21 +102,37 @@ template <class T> void writeText(const T& value, std::string& output);
 
 
 //------------------------------ implementation -------------------------------------
+template <class T>
+struct IsChronoDuration
+{
+private:
+    using Yes = char[1];
+    using No  = char[2];
+
+    template <class Rep, class Period>
+    static Yes& isDuration(std::chrono::duration<Rep, Period>);
+    static  No& isDuration(...);
+public:
+    enum { value = sizeof(isDuration(std::declval<T>())) == sizeof(Yes) };
+};
+
 
 //Conversion from arbitrary types to text (for use with XML elements and attributes)
 enum TextType
 {
     TEXT_TYPE_BOOL,
     TEXT_TYPE_NUMBER,
+    TEXT_TYPE_CHRONO,
     TEXT_TYPE_STRING,
     TEXT_TYPE_OTHER,
 };
 
 template <class T>
 struct GetTextType : std::integral_constant<TextType,
-    std::is_same_v<T, bool> ? TEXT_TYPE_BOOL   :
-    IsStringLikeV<T>        ? TEXT_TYPE_STRING : //string before number to correctly handle char/wchar_t -> this was an issue with Loki only!
-    IsArithmetic<T>::value  ? TEXT_TYPE_NUMBER : //
+    std::is_same_v<T, bool>    ? TEXT_TYPE_BOOL   :
+    IsStringLikeV<T>           ? TEXT_TYPE_STRING : //string before number to correctly handle char/wchar_t -> this was an issue with Loki only!
+    IsArithmetic<T>::value     ? TEXT_TYPE_NUMBER : //
+    IsChronoDuration<T>::value ? TEXT_TYPE_CHRONO :
     TEXT_TYPE_OTHER> {};
 
 //######################################################################################
@@ -165,6 +182,20 @@ struct ConvertText<T, TEXT_TYPE_NUMBER>
     }
 };
 
+template <class T>
+struct ConvertText<T, TEXT_TYPE_CHRONO>
+{
+    void writeText(const T& value, std::string& output) const
+    {
+        output = numberTo<std::string>(value.count());
+    }
+    bool readText(const std::string& input, T& value) const
+    {
+        value = T(stringTo<typename T::rep>(input));
+        return true;
+    }
+};
+
 //partial specialization: handle conversion for all string-like types!
 template <class T>
 struct ConvertText<T, TEXT_TYPE_STRING>
diff --git a/zenXml/zenxml/dom.h b/zenXml/zenxml/dom.h
index 8793d5bd..d95f5aa1 100755
--- a/zenXml/zenxml/dom.h
+++ b/zenXml/zenxml/dom.h
@@ -237,7 +237,7 @@ public:
     std::pair<AttrIter, AttrIter> getAttributes() const { return { attributes_.begin(), attributes_.end() }; }
 
     //swap two elements while keeping references to parent.  -> disabled documentation extraction
-    void swapSubtree(XmlElement& other)
+    void swapSubtree(XmlElement& other) noexcept
     {
         name_               .swap(other.name_);
         value_              .swap(other.value_);
@@ -283,8 +283,8 @@ public:
     ///Default constructor setting up an empty XML document with a standard declaration: <?xml version="1.0" encoding="utf-8" ?>
     XmlDoc() {}
 
-    XmlDoc(XmlDoc&& tmp) { swap(tmp); }
-    XmlDoc& operator=(XmlDoc&& tmp) { swap(tmp); return *this; }
+    XmlDoc(XmlDoc&& tmp) noexcept { swap(tmp); }
+    XmlDoc& operator=(XmlDoc&& tmp) noexcept { swap(tmp); return *this; }
 
     //Setup an empty XML document
     /**
@@ -342,7 +342,7 @@ public:
     void setStandalone(const String& standalone) { standalone_ = utfTo<std::string>(standalone); }
 
     //Transactionally swap two elements.  -> disabled documentation extraction
-    void swap(XmlDoc& other)
+    void swap(XmlDoc& other) noexcept
     {
         version_   .swap(other.version_);
         encoding_  .swap(other.encoding_);