Make gArgs aware of the arguments

gArgs knows what the available arguments are and their help. Getting
the help message is moved to gArgs and HelpMessage() is removed

1 files changed, 49 insertions, 0 deletions

diff --git a/src/util.cpp b/src/util.cpp
index b8723f83c6..7dd6884f75 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -547,6 +547,55 @@ void ArgsManager::ForceSetArg(const std::string& strArg, const std::string& strV
     m_override_args[strArg] = {strValue};
 }
 
+void ArgsManager::AddArg(const std::string& name, const std::string& help, const bool debug_only, const OptionsCategory& cat)
+{
+    std::pair<OptionsCategory, std::string> key(cat, name);
+    assert(m_available_args.count(key) == 0);
+    m_available_args.emplace(key, std::pair<std::string, bool>(help, debug_only));
+}
+
+std::string ArgsManager::GetHelpMessage()
+{
+    const bool show_debug = gArgs.GetBoolArg("-help-debug", false);
+
+    std::string usage = HelpMessageGroup(_("Options:"));
+
+    OptionsCategory last_cat = OptionsCategory::OPTIONS;
+    for (auto& arg : m_available_args) {
+        if (arg.first.first != last_cat) {
+            last_cat = arg.first.first;
+            if (last_cat == OptionsCategory::CONNECTION)
+                usage += HelpMessageGroup(_("Connection options:"));
+            else if (last_cat == OptionsCategory::ZMQ)
+                usage += HelpMessageGroup(_("ZeroMQ notification options:"));
+            else if (last_cat == OptionsCategory::DEBUG_TEST)
+                usage += HelpMessageGroup(_("Debugging/Testing options:"));
+            else if (last_cat == OptionsCategory::NODE_RELAY)
+                usage += HelpMessageGroup(_("Node relay options:"));
+            else if (last_cat == OptionsCategory::BLOCK_CREATION)
+                usage += HelpMessageGroup(_("Block creation options:"));
+            else if (last_cat == OptionsCategory::RPC)
+                usage += HelpMessageGroup(_("RPC server options:"));
+            else if (last_cat == OptionsCategory::WALLET)
+                usage += HelpMessageGroup(_("Wallet options:"));
+            else if (last_cat == OptionsCategory::WALLET_DEBUG_TEST && show_debug)
+                usage += HelpMessageGroup(_("Wallet debugging/testing options:"));
+            else if (last_cat == OptionsCategory::CHAINPARAMS)
+                usage += HelpMessageGroup(_("Chain selection options:"));
+            else if (last_cat == OptionsCategory::GUI)
+                usage += HelpMessageGroup(_("UI Options:"));
+            else if (last_cat == OptionsCategory::COMMANDS)
+                usage += HelpMessageGroup(_("Commands:"));
+            else if (last_cat == OptionsCategory::REGISTER_COMMANDS)
+                usage += HelpMessageGroup(_("Register Commands:"));
+        }
+        if (show_debug || !arg.second.second) {
+            usage += HelpMessageOpt(arg.first.second, arg.second.first);
+        }
+    }
+    return usage;
+}
+
 bool HelpRequested(const ArgsManager& args)
 {
     return args.IsArgSet("-?") || args.IsArgSet("-h") || args.IsArgSet("-help");