[vcpkg] Add find/find_installed/is_installed for FeatureSpec

Signed-off-by: Squareys <squareys@googlemail.com>

2 files changed, 52 insertions, 0 deletions

diff --git a/toolsrc/src/tests.statusparagraphs.cpp b/toolsrc/src/tests.statusparagraphs.cpp
index 0d5324a8c..fa0d54fac 100644
--- a/toolsrc/src/tests.statusparagraphs.cpp
+++ b/toolsrc/src/tests.statusparagraphs.cpp
@@ -77,6 +77,39 @@ Status: purge ok not-installed
 
             auto it = status_db.find_installed(unsafe_pspec("ffmpeg", Triplet::X64_WINDOWS));
             Assert::IsTrue(it != status_db.end());
+
+            // Feature "openssl" is not installed and should not be found
+            auto it1 = status_db.find_installed({unsafe_pspec("ffmpeg", Triplet::X64_WINDOWS), "openssl"});
+            Assert::IsTrue(it1 == status_db.end());
+        }
+
+        TEST_METHOD(find_for_feature_packages)
+        {
+            auto pghs = parse_paragraphs(R"(
+Package: ffmpeg
+Version: 3.3.3
+Architecture: x64-windows
+Multi-Arch: same
+Description:
+Status: install ok installed
+
+Package: ffmpeg
+Feature: openssl
+Depends: openssl
+Architecture: x64-windows
+Multi-Arch: same
+Description:
+Status: install ok installed
+)");
+            Assert::IsTrue(!!pghs);
+            if (!pghs) return;
+
+            StatusParagraphs status_db(Util::fmap(
+                *pghs.get(), [](RawParagraph& rpgh) { return std::make_unique<StatusParagraph>(std::move(rpgh)); }));
+
+            // Feature "openssl" is installed and should therefore be found
+            auto it = status_db.find_installed({unsafe_pspec("ffmpeg", Triplet::X64_WINDOWS), "openssl"});
+            Assert::IsTrue(it != status_db.end());
         }
     };
 }
diff --git a/toolsrc/src/vcpkg/statusparagraphs.cpp b/toolsrc/src/vcpkg/statusparagraphs.cpp
index 475f86279..b23d8b884 100644
--- a/toolsrc/src/vcpkg/statusparagraphs.cpp
+++ b/toolsrc/src/vcpkg/statusparagraphs.cpp
@@ -83,12 +83,31 @@ namespace vcpkg
         }
     }
 
+    StatusParagraphs::const_iterator StatusParagraphs::find_installed(const FeatureSpec& spec) const
+    {
+        auto it = find(spec);
+        if (it != end() && (*it)->is_installed())
+        {
+            return it;
+        }
+        else
+        {
+            return end();
+        }
+    }
+
     bool vcpkg::StatusParagraphs::is_installed(const PackageSpec& spec) const
     {
         auto it = find(spec);
         return it != end() && (*it)->is_installed();
     }
 
+    bool vcpkg::StatusParagraphs::is_installed(const FeatureSpec& spec) const
+    {
+        auto it = find(spec);
+        return it != end() && (*it)->is_installed();
+    }
+
     StatusParagraphs::iterator StatusParagraphs::insert(std::unique_ptr<StatusParagraph> pgh)
     {
         Checks::check_exit(VCPKG_LINE_INFO, pgh != nullptr, "Inserted null paragraph");