fixed incorrect unicode scalar sequence transformations (#125)

also:
- fixed extended-precision fractional times causing parse error instead of truncating per the spec (closes #127)
- fixed some non-spec vertical whitespace being accepted as line breaks (closes #128)
- added `format_flags::allow_unicode_strings`

CHANGELOG.md

@@ -35,6 +35,9 @@ code changes at callsites or in build systems are indicated with ⚠️.
 - fixed missing `TOML_API` on interfaces
 - fixed parser not correctly round-tripping the format of binary and octal integers in some cases
 - fixed strong exception guarantee edge-cases in `toml::table` and `toml::array`
+- fixed some incorrect unicode scalar sequence transformations (#125) (@moorereason)
+- fixed extended-precision fractional times causing parse error instead of truncating per the spec (#127) (@moorereason)
+- fixed some non-spec vertical whitespace being accepted as line breaks (#128) (@moorereason)
 
 #### Additions:
 - added `operator->` to `toml::value` for class types
@@ -48,6 +51,7 @@ code changes at callsites or in build systems are indicated with ⚠️.
 - added `toml::format_flags::allow_hexadecimal_integers`
 - added `toml::format_flags::allow_octal_integers`
 - added `toml::format_flags::allow_real_tabs_in_strings`
+- added `toml::format_flags::allow_unicode_strings`
 - added `toml::format_flags::indent_array_elements`
 - added `toml::format_flags::indent_sub_tables`
 - added `toml::format_flags::quote_infinities_and_nans`

examples/error_printer.cpp

@@ -6,7 +6,7 @@
 // This example shows the error messages the library produces by forcing a set of specific parsing
 // failures and printing their results.
 
-#include "examples.hpp"
+#include "examples.h"
 
 #define TOML_EXCEPTIONS					0
 #define TOML_ENABLE_UNRELEASED_FEATURES 0
@@ -17,10 +17,11 @@ using namespace std::string_view_literals;
 namespace
 {
 	inline constexpr auto invalid_parses = std::array{
-		"########## comments"sv,
+		"########## comments and whitespace"sv,
 		"# bar\rkek"sv,
 		"# bar\bkek"sv,
 		"# \xf1\x63"sv,
+		"# val1 = 1\fval2 = 2"sv,
 
 		"########## inline tables"sv,
 		"val = {,}"sv,

examples/error_printer.vcxproj

@@ -55,7 +55,7 @@
     <Text Include="CMakeLists.txt" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="examples.hpp" />
+    <ClInclude Include="examples.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
 </Project>

examples/parse_benchmark.cpp

@@ -5,7 +5,7 @@
 
 // This example is just a short-n-shiny benchmark.
 
-#include "examples.hpp"
+#include "examples.h"
 #include <toml++/toml.h>
 
 using namespace std::string_view_literals;

examples/parse_benchmark.vcxproj

@@ -56,7 +56,7 @@
     <Text Include="CMakeLists.txt" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="examples.hpp" />
+    <ClInclude Include="examples.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
 </Project>

examples/simple_parser.cpp

@@ -5,7 +5,7 @@
 
 // This example demonstrates how to parse TOML from a file or stdin and re-serialize it (print it out) to stdout.
 
-#include "examples.hpp"
+#include "examples.h"
 
 #define TOML_ENABLE_UNRELEASED_FEATURES 1
 #include <toml++/toml.h>

examples/simple_parser.vcxproj

@@ -56,7 +56,7 @@
     <Text Include="CMakeLists.txt" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="examples.hpp" />
+    <ClInclude Include="examples.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
 </Project>

examples/toml_generator.cpp

@@ -5,7 +5,7 @@
 
 // This example demonstrates the use of some more advanced features to generate a tree of random TOML data.
 
-#include "examples.hpp"
+#include "examples.h"
 
 #define TOML_ENABLE_PARSER 0
 #include <toml++/toml.h>

examples/toml_generator.vcxproj

@@ -56,7 +56,7 @@
     <Text Include="CMakeLists.txt" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="examples.hpp" />
+    <ClInclude Include="examples.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
 </Project>

examples/toml_to_json_transcoder.cpp

@@ -5,7 +5,7 @@
 
 // This example demonstrates how to use the toml::json_formatter to re-serialize TOML data as JSON.
 
-#include "examples.hpp"
+#include "examples.h"
 
 #define TOML_ENABLE_UNRELEASED_FEATURES 1
 #include <toml++/toml.h>

examples/toml_to_json_transcoder.vcxproj

@@ -56,7 +56,7 @@
     <Text Include="CMakeLists.txt" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="examples.hpp" />
+    <ClInclude Include="examples.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
 </Project>

include/toml++/impl/formatter.h

@@ -106,6 +106,24 @@ TOML_IMPL_NAMESPACE_START
 			return !!(config_.flags & format_flags::allow_literal_strings);
 		}
 
+		TOML_PURE_INLINE_GETTER
+		bool multi_line_strings_allowed() const noexcept
+		{
+			return !!(config_.flags & format_flags::allow_multi_line_strings);
+		}
+
+		TOML_PURE_INLINE_GETTER
+		bool real_tabs_in_strings_allowed() const noexcept
+		{
+			return !!(config_.flags & format_flags::allow_real_tabs_in_strings);
+		}
+
+		TOML_PURE_INLINE_GETTER
+		bool unicode_strings_allowed() const noexcept
+		{
+			return !!(config_.flags & format_flags::allow_unicode_strings);
+		}
+
 		TOML_API
 		void attach(std::ostream& stream) noexcept;