From eb4c557efa38673eba773bda6b71a286d0c3c3b1 Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Thu, 2 Aug 2018 10:40:35 +0200
Subject: Add subcommand/parameter/option/flag and automatic help

---
 sinksh/syntax_modules/sink_clear.cpp | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

(limited to 'sinksh/syntax_modules/sink_clear.cpp')

diff --git a/sinksh/syntax_modules/sink_clear.cpp b/sinksh/syntax_modules/sink_clear.cpp
index e676dd6..536e9df 100644
--- a/sinksh/syntax_modules/sink_clear.cpp
+++ b/sinksh/syntax_modules/sink_clear.cpp
@@ -35,10 +35,25 @@
 namespace SinkClear
 {
 
+bool clear(const QStringList &args, State &state);
+
+Syntax::List syntax()
+{
+    Syntax clear("clear", QObject::tr("Clears the local cache of one or more resources (be careful!)"), &SinkClear::clear, Syntax::NotInteractive);
+
+    clear.addPositionalArgument({.name = "resource", .help = "The resource to clear"});
+
+    clear.completer = &SinkshUtils::resourceCompleter;
+
+    return Syntax::List() << clear;
+}
+
+REGISTER_SYNTAX(SinkClear)
+
 bool clear(const QStringList &args, State &state)
 {
     if (args.isEmpty()) {
-        state.printError(QObject::tr("Please provide at least one resource to clear."));
+        state.printError(syntax()[0].usage());
         return false;
     }
     for (const auto &resource : args) {
@@ -50,14 +65,4 @@ bool clear(const QStringList &args, State &state)
     return true;
 }
 
-Syntax::List syntax()
-{
-    Syntax clear("clear", QObject::tr("Clears the local cache of one or more resources (be careful!)"), &SinkClear::clear, Syntax::NotInteractive);
-    clear.completer = &SinkshUtils::resourceCompleter;
-
-    return Syntax::List() << clear;
-}
-
-REGISTER_SYNTAX(SinkClear)
-
 }
-- 
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