do not install files if they are not downloaded

CMakeLists.txt

@@ -27,7 +27,7 @@ cmake_minimum_required(VERSION 3.16)
 # set the project name
 project(
 	libcifpp
-	VERSION 7.0.0
+	VERSION 7.0.1
 	LANGUAGES CXX)
 
 list(PREPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

changelog

+Version 7.0.1
+- Various reconstruction fixes
+- category order in output fixed
+
 Version 7.0.0
 - Renaming many methods and parameters to be more
   consistent with the mmCIF dictionaries.

src/pdb/reconstruct.cpp

@@ -519,7 +519,7 @@ void checkAtomAnisotropRecords(datablock &db)
 		{
 			if (cif::VERBOSE and std::exchange(warnReplaceTypeSymbol, false))
 				std::clog << "Replacing type_symbol in atom_site_anisotrop record(s)\n";
-			row["type_symbol"] != parent["type_symbol"].text();
+			row["type_symbol"] = parent["type_symbol"].text();
 		}
 
 		if (row["pdbx_auth_alt_id"].empty())

src/text.cpp

@@ -190,22 +190,41 @@ std::string trim_left_copy(std::string_view s)
 
 void trim_left(std::string &s)
 {
-	auto b = s.begin();
-	while (b != s.end())
-	{
-		if (not std::isspace(*b))
-			break;
+	auto in = s.begin(), out = s.begin();
 
-		b = std::next(b);
-	}
+	while (in != s.end() and std::isspace(*in))
+		++in;
 	
-	s.erase(s.begin(), b);
+	if (in == s.end())
+		s.clear();
+	else if (in != out)
+	{
+		while (in != s.end())
+			*out++ = *in++;
+		s.erase(out, s.end());
+	}
 }
 
 void trim(std::string &s)
 {
-	trim_right(s);
-	trim_left(s);
+	auto in = s.begin(), out = s.begin(), end = s.end();
+
+	while (end != s.begin() and std::isspace(*(end - 1)))
+		--end;
+
+	while (in != end and std::isspace(*in))
+		++in;
+	
+	if (in == end)
+		s.clear();
+	else if (in != out)
+	{
+		while (in != end)
+			*out++ = *in++;
+		s.erase(out, s.end());
+	}
+	else if (end != s.end())
+		s.erase(end, s.end());
 }
 
 std::string trim_copy(std::string_view s)