1 files changed, 75 insertions, 0 deletions
diff --git a/toolsrc/src/vcpkg/commands.list.cpp b/toolsrc/src/vcpkg/commands.list.cpp
new file mode 100644
index 000000000..d0e8e00b4
--- /dev/null
+++ b/toolsrc/src/vcpkg/commands.list.cpp
@@ -0,0 +1,75 @@
+#include "pch.h"
+
+#include <vcpkg/base/system.h>
+#include <vcpkg/commands.h>
+#include <vcpkg/help.h>
+#include <vcpkg/vcpkglib.h>
+
+namespace vcpkg::Commands::List
+{
+    static const std::string OPTION_FULLDESC = "--x-full-desc"; // TODO: This should find a better home, eventually
+
+    static void do_print(const StatusParagraph& pgh, bool full_desc)
+    {
+        if (full_desc)
+        {
+            System::println("%-30s %-16s %s", pgh.package.displayname(), pgh.package.version, pgh.package.description);
+        }
+        else
+        {
+            System::println("%-30s %-16s %s",
+                            vcpkg::shorten_text(pgh.package.displayname(), 30),
+                            vcpkg::shorten_text(pgh.package.version, 16),
+                            vcpkg::shorten_text(pgh.package.description, 71));
+        }
+    }
+
+    void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
+    {
+        static const std::string EXAMPLE = Strings::format(
+            "The argument should be a substring to search for, or no argument to display all installed libraries.\n%s",
+            Help::create_example_string("list png"));
+        args.check_max_arg_count(1, EXAMPLE);
+        const std::unordered_set<std::string> options =
+            args.check_and_get_optional_command_arguments({OPTION_FULLDESC});
+
+        const StatusParagraphs status_paragraphs = database_load_check(paths);
+        std::vector<StatusParagraph*> installed_packages = get_installed_ports(status_paragraphs);
+
+        if (installed_packages.empty())
+        {
+            System::println("No packages are installed. Did you mean `search`?");
+            Checks::exit_success(VCPKG_LINE_INFO);
+        }
+
+        std::sort(installed_packages.begin(),
+                  installed_packages.end(),
+                  [](const StatusParagraph* lhs, const StatusParagraph* rhs) -> bool {
+                      return lhs->package.displayname() < rhs->package.displayname();
+                  });
+
+        if (args.command_arguments.size() == 0)
+        {
+            for (const StatusParagraph* status_paragraph : installed_packages)
+            {
+                do_print(*status_paragraph, options.find(OPTION_FULLDESC) != options.cend());
+            }
+        }
+        else
+        {
+            // At this point there is 1 argument
+            for (const StatusParagraph* status_paragraph : installed_packages)
+            {
+                const std::string displayname = status_paragraph->package.displayname();
+                if (Strings::case_insensitive_ascii_find(displayname, args.command_arguments[0]) == displayname.end())
+                {
+                    continue;
+                }
+
+                do_print(*status_paragraph, options.find(OPTION_FULLDESC) != options.cend());
+            }
+        }
+
+        Checks::exit_success(VCPKG_LINE_INFO);
+    }
+}