Android Support: Exporting to Android Archive (AAR) (#10271)

* added android triplets

* added android support to vcpkg

* added export directories to git ignore

* fix libraries naming

* added vckpg sources to visual studio project files

* rename file location

* issue with std::string fs:path copy initialization

* format path on VStudio

* fix checks format cannot work on fs::path

* support header only libraries

* support using architecture instead of triplets

* added prefab support

* added debug logs and prefab debug flag

* added support for empty packages i.e openssl

3 files changed, 89 insertions, 0 deletions

diff --git a/toolsrc/include/vcpkg/export.prefab.h b/toolsrc/include/vcpkg/export.prefab.h
new file mode 100644
index 000000000..56a5ba371
--- /dev/null
+++ b/toolsrc/include/vcpkg/export.prefab.h
@@ -0,0 +1,82 @@
+#pragma once
+
+#include <vcpkg/base/system.h>
+#include <vcpkg/dependencies.h>
+#include <vcpkg/vcpkgpaths.h>
+
+
+#include <vector>
+
+namespace vcpkg::Export::Prefab
+{
+    constexpr int kFragmentSize = 3;
+
+    struct Options
+    {
+        Optional<std::string> maybe_group_id;
+        Optional<std::string> maybe_artifact_id;
+        Optional<std::string> maybe_version;
+        Optional<std::string> maybe_min_sdk;
+        Optional<std::string> maybe_target_sdk;
+        bool enable_maven;
+        bool enable_debug;
+    };
+    struct NdkVersion
+    {
+        NdkVersion(int _major, int _minor, int _patch) : m_major{_major},
+                                                     m_minor{_minor},
+                                                     m_patch{_patch}{
+        }
+        int major()  { return this->m_major; }
+        int minor()  { return this->m_minor; }
+        int patch()  { return this->m_patch; }
+        std::string to_string();
+        void to_string(std::string& out);
+
+        private:
+        int m_major;
+        int m_minor;
+        int m_patch;
+    };
+
+    struct ABIMetadata
+    {
+        std::string abi;
+        int api;
+        int ndk;
+        std::string stl;
+        std::string to_string();
+    };
+
+    struct PlatformModuleMetadata
+    {
+        std::vector<std::string> export_libraries;
+        std::string library_name;
+        std::string to_json();
+    };
+
+    struct ModuleMetadata
+    {
+        std::vector<std::string> export_libraries;
+        std::string library_name;
+        PlatformModuleMetadata android;
+        std::string to_json();
+    };
+
+    struct PackageMetadata
+    {
+        std::string name;
+        int schema;
+        std::vector<std::string> dependencies;
+        std::string version;
+        std::string to_json();
+    };
+
+
+
+    void do_export(const std::vector<Dependencies::ExportPlanAction>& export_plan,
+                   const VcpkgPaths& paths,
+                   const Options& prefab_options, const Triplet& triplet);
+    Optional<std::string> find_ndk_version(const std::string &content);
+    Optional<NdkVersion> to_version(const std::string &version);
+}
diff --git a/toolsrc/include/vcpkg/triplet.h b/toolsrc/include/vcpkg/triplet.h
index d836dd230..92ea10175 100644
--- a/toolsrc/include/vcpkg/triplet.h
+++ b/toolsrc/include/vcpkg/triplet.h
@@ -23,6 +23,11 @@ namespace vcpkg
         static const Triplet X64_UWP;
         static const Triplet ARM_UWP;
         static const Triplet ARM64_UWP;
+        
+        static const Triplet ARM_ANDROID;
+        static const Triplet ARM64_ANDROID;
+        static const Triplet X86_ANDROID;
+        static const Triplet X64_ANDROID;
 
         const std::string& canonical_name() const;
         const std::string& to_string() const;
diff --git a/toolsrc/include/vcpkg/vcpkgpaths.h b/toolsrc/include/vcpkg/vcpkgpaths.h
index 63d19af2c..31d8374f1 100644
--- a/toolsrc/include/vcpkg/vcpkgpaths.h
+++ b/toolsrc/include/vcpkg/vcpkgpaths.h
@@ -14,6 +14,8 @@ namespace vcpkg
     namespace Tools
     {
         static const std::string SEVEN_ZIP = "7zip";
+        static const std::string SEVEN_ZIP_ALT = "7z";
+        static const std::string MAVEN = "mvn";
         static const std::string CMAKE = "cmake";
         static const std::string GIT = "git";
         static const std::string NINJA = "ninja";