Introduce BuildPolicies (not used by the post_build checks yet)

2 files changed, 62 insertions, 3 deletions

diff --git a/toolsrc/src/BuildInfo.cpp b/toolsrc/src/BuildInfo.cpp
index b401f9d44..82243ebac 100644
--- a/toolsrc/src/BuildInfo.cpp
+++ b/toolsrc/src/BuildInfo.cpp
@@ -1,6 +1,7 @@
 #include "pch.h"
 #include  "BuildInfo.h"
 #include "vcpkg_Checks.h"
+#include "opt_bool.h"
 #include "vcpkglib_helpers.h"
 
 namespace vcpkg::PostBuildLint
@@ -44,11 +45,20 @@ namespace vcpkg::PostBuildLint
         static const std::string LIBRARY_LINKAGE = "LibraryLinkage";
     }
 
-    BuildInfo BuildInfo::create(const std::unordered_map<std::string, std::string>& pgh)
+    BuildInfo BuildInfo::create(std::unordered_map<std::string, std::string> pgh)
     {
         BuildInfo build_info;
-        build_info.crt_linkage = details::required_field(pgh, BuildInfoRequiredField::CRT_LINKAGE);
-        build_info.library_linkage = details::required_field(pgh, BuildInfoRequiredField::LIBRARY_LINKAGE);
+        build_info.crt_linkage = details::remove_required_field(&pgh, BuildInfoRequiredField::CRT_LINKAGE);
+        build_info.library_linkage = details::remove_required_field(&pgh, BuildInfoRequiredField::LIBRARY_LINKAGE);
+
+        // The remaining entries are policies
+        for (const std::unordered_map<std::string, std::string>::value_type& p : pgh)
+        {
+            const BuildPolicies::type policy = BuildPolicies::parse(p.first);
+            Checks::check_exit(policy != BuildPolicies::UNKNOWN, "Unknown policy found: %s", p.first);
+            const opt_bool_t status = opt_bool::parse(p.second);
+            build_info.policies.emplace(policy, status);
+        }
 
         return build_info;
     }
diff --git a/toolsrc/src/BuildPolicies.cpp b/toolsrc/src/BuildPolicies.cpp
new file mode 100644
index 000000000..0f7c3c492
--- /dev/null
+++ b/toolsrc/src/BuildPolicies.cpp
@@ -0,0 +1,49 @@
+#include "pch.h"
+#include "BuildPolicies.h"
+#include "vcpkg_Checks.h"
+
+namespace vcpkg::PostBuildLint::BuildPolicies
+{
+    static const std::string NAME_UNKNOWN = "PolicyUnknown";
+    static const std::string NAME_DLLS_WITHOUT_LIBS = "PolicyDLLsWithoutLIBs";
+
+    const std::string& type::toString() const
+    {
+        switch (this->backing_enum)
+        {
+            case DLLS_WITHOUT_LIBS:
+                return NAME_DLLS_WITHOUT_LIBS;
+            case UNKNOWN:
+                return NAME_UNKNOWN;
+            default:
+                Checks::unreachable();
+        }
+    }
+
+    const std::string& type::cmake_variable() const
+    {
+        static const std::string CMAKE_VARIABLE_DLLS_WITHOUT_LIBS = "VCPKG_POLICY_DLLS_WITHOUT_LIBS";
+
+        switch (this->backing_enum)
+        {
+        case DLLS_WITHOUT_LIBS:
+            return CMAKE_VARIABLE_DLLS_WITHOUT_LIBS;
+        case UNKNOWN:
+            Checks::exit_with_message("No CMake command corresponds to UNKNOWN");
+        default:
+            Checks::unreachable();
+        }
+    }
+
+    type::type(): backing_enum(backing_enum_t::UNKNOWN) {}
+
+    type parse(const std::string& s)
+    {
+        if (s == NAME_DLLS_WITHOUT_LIBS)
+        {
+            return BuildPolicies::DLLS_WITHOUT_LIBS;
+        }
+
+        return BuildPolicies::UNKNOWN;
+    }
+}