From 35f0ddf67c629ce9efaa1ba893afcb2921a251a2 Mon Sep 17 00:00:00 2001
From: Aaron Seigo <aseigo@kde.org>
Date: Thu, 24 Dec 2015 10:22:07 +0100
Subject: REGISTER_SYNTAX for automagic adding of syntax

a fun abuse of static initialization and std::function
---
 akonadish/syntax_modules/akonadi_count.cpp |  2 ++
 akonadish/syntax_modules/akonadi_list.cpp  |  2 ++
 akonadish/syntax_modules/akonadi_sync.cpp  |  2 ++
 akonadish/syntax_modules/core_syntax.cpp   |  2 ++
 akonadish/syntaxtree.cpp                   | 15 ++++++---------
 akonadish/syntaxtree.h                     |  2 ++
 6 files changed, 16 insertions(+), 9 deletions(-)

(limited to 'akonadish')

diff --git a/akonadish/syntax_modules/akonadi_count.cpp b/akonadish/syntax_modules/akonadi_count.cpp
index 40ad693..e54ac22 100644
--- a/akonadish/syntax_modules/akonadi_count.cpp
+++ b/akonadish/syntax_modules/akonadi_count.cpp
@@ -39,6 +39,8 @@
 namespace AkonadiCount
 {
 
+REGISTER_SYNTAX(AkonadiCount)
+
 Syntax::List syntax()
 {
     Syntax::List syntax;
diff --git a/akonadish/syntax_modules/akonadi_list.cpp b/akonadish/syntax_modules/akonadi_list.cpp
index 6abc853..25ebbca 100644
--- a/akonadish/syntax_modules/akonadi_list.cpp
+++ b/akonadish/syntax_modules/akonadi_list.cpp
@@ -39,6 +39,8 @@
 namespace AkonadiList
 {
 
+REGISTER_SYNTAX(AkonadiList)
+
 Syntax::List syntax()
 {
     Syntax::List syntax;
diff --git a/akonadish/syntax_modules/akonadi_sync.cpp b/akonadish/syntax_modules/akonadi_sync.cpp
index 990fdf6..e9388d2 100644
--- a/akonadish/syntax_modules/akonadi_sync.cpp
+++ b/akonadish/syntax_modules/akonadi_sync.cpp
@@ -37,6 +37,8 @@
 namespace AkonadiSync
 {
 
+REGISTER_SYNTAX(AkonadiSync)
+
 Syntax::List syntax()
 {
     Syntax::List syntax;
diff --git a/akonadish/syntax_modules/core_syntax.cpp b/akonadish/syntax_modules/core_syntax.cpp
index 393a0a5..8fb1448 100644
--- a/akonadish/syntax_modules/core_syntax.cpp
+++ b/akonadish/syntax_modules/core_syntax.cpp
@@ -27,6 +27,8 @@
 namespace CoreSyntax
 {
 
+REGISTER_SYNTAX(CoreSyntax)
+
 Syntax::List syntax()
 {
     Syntax::List syntax;
diff --git a/akonadish/syntaxtree.cpp b/akonadish/syntaxtree.cpp
index 2d7c127..cd7348e 100644
--- a/akonadish/syntaxtree.cpp
+++ b/akonadish/syntaxtree.cpp
@@ -45,15 +45,12 @@ Syntax::Syntax(const QString &k, const QString &helpText, std::function<bool(con
 
 SyntaxTree::SyntaxTree()
 {
-    QVector<std::function<Syntax::List()> > syntaxSyntaxTrees;
-    syntaxSyntaxTrees << &CoreSyntax::syntax
-                      << &AkonadiList::syntax
-                      << &AkonadiCount::syntax
-                      << &AkonadiSync::syntax
-                      ;
-    for (auto syntaxSyntaxTree: syntaxSyntaxTrees) {
-        m_syntax += syntaxSyntaxTree();
-    }
+}
+
+int SyntaxTree::registerSyntax(std::function<Syntax::List()> f)
+{
+    m_syntax += f();
+    return m_syntax.size();
 }
 
 SyntaxTree *SyntaxTree::self()
diff --git a/akonadish/syntaxtree.h b/akonadish/syntaxtree.h
index 77f52af..6fdf2b9 100644
--- a/akonadish/syntaxtree.h
+++ b/akonadish/syntaxtree.h
@@ -57,6 +57,7 @@ public:
 
     static SyntaxTree *self();
 
+    int registerSyntax(std::function<Syntax::List()> f);
     Syntax::List syntax() const;
     Command match(const QStringList &commands) const;
     Syntax::List nearestSyntax(const QStringList &words, const QString &fragment) const;
@@ -73,3 +74,4 @@ private:
     static SyntaxTree *s_module;
 };
 
+#define REGISTER_SYNTAX(name) static const int theTrickFor##name = SyntaxTree::self()->registerSyntax(&name::syntax);
-- 
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