1 files changed, 52 insertions, 0 deletions
diff --git a/toolsrc/src/vcpkg_Input.cpp b/toolsrc/src/vcpkg_Input.cpp
new file mode 100644
index 000000000..f7aae1929
--- /dev/null
+++ b/toolsrc/src/vcpkg_Input.cpp
@@ -0,0 +1,52 @@
+#include "vcpkg_Input.h"
+#include "vcpkg_System.h"
+#include "metrics.h"
+#include "vcpkg_Commands.h"
+
+namespace vcpkg {namespace Input
+{
+    package_spec check_and_get_package_spec(const std::string& package_spec_as_string, const triplet& default_target_triplet, const char* example_text)
+    {
+        const std::string as_lowercase = Strings::ascii_to_lowercase(package_spec_as_string);
+        expected<package_spec> expected_spec = package_spec::from_string(as_lowercase, default_target_triplet);
+        if (auto spec = expected_spec.get())
+        {
+            return *spec;
+        }
+
+        // Intentionally show the lowercased string
+        System::println(System::color::error, "Error: %s: %s", expected_spec.error_code().message(), as_lowercase);
+        System::print(example_text);
+        exit(EXIT_FAILURE);
+    }
+
+    std::vector<package_spec> check_and_get_package_specs(const std::vector<std::string>& package_specs_as_strings, const triplet& default_target_triplet, const char* example_text)
+    {
+        std::vector<package_spec> specs;
+        for (const std::string& spec : package_specs_as_strings)
+        {
+            specs.push_back(check_and_get_package_spec(spec, default_target_triplet, example_text));
+        }
+
+        return specs;
+    }
+
+    void check_triplet(const triplet& t, const vcpkg_paths& paths)
+    {
+        if (!paths.is_valid_triplet(t))
+        {
+            System::println(System::color::error, "Error: invalid triplet: %s", t.canonical_name());
+            TrackProperty("error", "invalid triplet: " + t.canonical_name());
+            help_topic_valid_triplet(paths);
+            exit(EXIT_FAILURE);
+        }
+    }
+
+    void check_triplets(std::vector<package_spec> triplets, const vcpkg_paths& paths)
+    {
+        for (const package_spec& spec : triplets)
+        {
+            check_triplet(spec.target_triplet(), paths);
+        }
+    }
+}}