From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 19 Oct 2014 22:24:43 +0000 (+0300)
Subject: Store argv0 and application name in the Application class
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=231482c618cb2b30e1f7194d8d1d3ea30bc94512;p=libs%2Fcore.git

Store argv0 and application name in the Application class

It can get quite annoying having to pass them around to be fed to the
standard path retrieval functions.
---

diff --git a/source/core/application.cpp b/source/core/application.cpp
index 3a5561e..f4887e7 100644
--- a/source/core/application.cpp
+++ b/source/core/application.cpp
@@ -2,6 +2,7 @@
 #include <signal.h>
 #include <msp/debug/demangle.h>
 #include <msp/debug/errorreporter.h>
+#include <msp/fs/utils.h>
 #include <msp/io/print.h>
 #include "application.h"
 #include "getopt.h"
@@ -12,13 +13,20 @@ namespace Msp {
 
 Application *Application::app_ = 0;
 Application::Starter *Application::starter_ = 0;
+const char *Application::argv0_ = 0;
+string Application::name_;
 void *Application::data_ = 0;
 
-Application::Application():
+Application::Application(const string &n):
 	exit_code(0)
 {
 	if(app_)
 		throw logic_error("instance already exists");
+
+	if(!n.empty())
+		name_ = n;
+	else
+		name_ = FS::basename(argv0_);
 }
 
 int Application::run(int argc, char **argv, void *data, void (*created_callback)(void *))
@@ -29,6 +37,7 @@ int Application::run(int argc, char **argv, void *data, void (*created_callback)
 		return 126;
 	}
 
+	argv0_ = argv[0];
 	data_ = data;
 
 	try
diff --git a/source/core/application.h b/source/core/application.h
index af18cea..35ab873 100644
--- a/source/core/application.h
+++ b/source/core/application.h
@@ -27,12 +27,14 @@ protected:
 private:
 	static Starter *starter_;
 	static Application *app_;
+	static const char *argv0_;
+	static std::string name_;
 	static void *data_;
 
 	Application(const Application &);
 	Application &operator=(const Application &);
 protected:
-	Application();
+	Application(const std::string & = std::string());
 public:
 	virtual ~Application() { }
 
@@ -45,6 +47,8 @@ public:
 	static int run(int, char **, void * =0, void (*)(void *) = 0);
 
 	static void *get_data() { return data_; }
+	static const char *get_argv0() { return argv0_; }
+	static const std::string &get_name() { return name_; }
 
 protected:
 	/** Default main loop.  Calls tick() repeatedly until exit() is called.  A
@@ -86,8 +90,9 @@ private:
 	static Starter starter_;
 
 protected:
-	// Force the starter into existence
-	RegisteredApplication() { (void)starter_; }
+	RegisteredApplication(const std::string &n = std::string()):
+		Application(n)
+	{ (void)starter_; }  // Force the starter into existence
 };
 
 template<typename T>