Reorganize commands, each in its own namespace

Additionally, functions related to a command can now live
in the same namespace

1 files changed, 65 insertions, 15 deletions

diff --git a/toolsrc/src/commands_help.cpp b/toolsrc/src/commands_help.cpp
index a0881e64d..e4769752c 100644
--- a/toolsrc/src/commands_help.cpp
+++ b/toolsrc/src/commands_help.cpp
@@ -1,37 +1,87 @@
 #include "vcpkg_Commands.h"
 #include "vcpkg_System.h"
 
-namespace vcpkg::Commands
+namespace vcpkg::Commands::Help
 {
-    void help_command(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths)
+    void help_topic_valid_triplet(const vcpkg_paths& paths)
+    {
+        System::println("Available architecture triplets:");
+        auto it = fs::directory_iterator(paths.triplets);
+        for (; it != fs::directory_iterator(); ++it)
+        {
+            System::println("  %s", it->path().stem().filename().string());
+        }
+    }
+
+    void print_usage()
+    {
+        System::println(
+            "Commands:\n"
+            "  vcpkg search [pat]              Search for packages available to be built\n"
+            "  vcpkg install <pkg>             Install a package\n"
+            "  vcpkg remove <pkg>              Uninstall a package. \n"
+            "  vcpkg remove --purge <pkg>      Uninstall and delete a package. \n"
+            "  vcpkg list                      List installed packages\n"
+            "  vcpkg update                    Display list of packages for updating\n"
+            "  vcpkg hash <file> [alg]         Hash a file by specific algorithm, default SHA512\n"
+            "\n"
+            "%s" // Integration help
+            "\n"
+            "  vcpkg edit <pkg>                Open up a port for editing (uses %%EDITOR%%, default 'code')\n"
+            "  vcpkg import <pkg>              Import a pre-built library\n"
+            "  vcpkg create <pkg> <url>\n"
+            "             [archivename]        Create a new package\n"
+            "  vcpkg owns <pat>                Search for files in installed packages\n"
+            "  vcpkg cache                     List cached compiled packages\n"
+            "  vcpkg version                   Display version information\n"
+            "  vcpkg contact                   Display contact information to send feedback\n"
+            "\n"
+            //"internal commands:\n"
+            //"  --check-build-deps <controlfile>\n"
+            //"  --create-binary-control <controlfile>\n"
+            //"\n"
+            "Options:\n"
+            "  --triplet <t>                   Specify the target architecture triplet.\n"
+            "                                  (default: %%VCPKG_DEFAULT_TRIPLET%%, see 'vcpkg help triplet')\n"
+            "\n"
+            "  --vcpkg-root <path>             Specify the vcpkg root directory\n"
+            "                                  (default: %%VCPKG_ROOT%%)\n"
+            "\n"
+            "For more help (including examples) see the accompanying README.md."
+            , Integrate::INTEGRATE_COMMAND_HELPSTRING);
+    }
+
+    std::string create_example_string(const std::string& command_and_arguments)
+    {
+        std::string cs = Strings::format("Example:\n"
+                                         "  vcpkg %s", command_and_arguments);
+        return cs;
+    }
+
+    void print_example(const std::string& command_and_arguments)
+    {
+        System::println(create_example_string(command_and_arguments));
+    }
+
+    void perform_and_exit(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths)
     {
         args.check_max_arg_count(1);
         if (args.command_arguments.empty())
         {
-            Commands::Helpers::print_usage();
+            print_usage();
             exit(EXIT_SUCCESS);
         }
         const auto& topic = args.command_arguments[0];
         if (topic == "triplet")
         {
-            Commands::help_topic_valid_triplet(paths);
+            help_topic_valid_triplet(paths);
         }
         else
         {
             System::println(System::color::error, "Error: unknown topic %s", topic);
-            Commands::Helpers::print_usage();
+            print_usage();
             exit(EXIT_FAILURE);
         }
         exit(EXIT_SUCCESS);
     }
-
-    void help_topic_valid_triplet(const vcpkg_paths& paths)
-    {
-        System::println("Available architecture triplets:");
-        auto it = fs::directory_iterator(paths.triplets);
-        for (; it != fs::directory_iterator(); ++it)
-        {
-            System::println("  %s", it->path().stem().filename().string());
-        }
-    }
 }