From 139fb3b758dd0f212df03f612f7860a0d87c7683 Mon Sep 17 00:00:00 2001
From: Edouard DUPIN <yui.heero@gmail.com>
Date: Fri, 26 Jul 2019 22:26:21 +0200
Subject: [PATCH] [DEV] add external exec component

---
 etk-core/system.cpp | 30 ++++++++++++++++++++++++++++++
 etk-core/system.hpp | 14 ++++++++++++++
 lutin_etk-core.py   |  4 +++-
 3 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 etk-core/system.cpp
 create mode 100644 etk-core/system.hpp

diff --git a/etk-core/system.cpp b/etk-core/system.cpp
new file mode 100644
index 0000000..346b69f
--- /dev/null
+++ b/etk-core/system.cpp
@@ -0,0 +1,30 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license MPL v2.0 (see license file)
+ */
+#include <etk/Exception.hpp>
+#include <etk/system.hpp>
+#include <stdio.h>
+
+etk::String etk::exec(const etk::String& _cmd) {
+	FILE* pipe = popen(_cmd.c_str(), "r");
+	if (!pipe) {
+		ETK_THROW_EXCEPTION(etk::exception::RuntimeError("popen() failed!"));
+		return "";
+	}
+	etk::String out;
+	try {
+		char buffer[128];
+		while (fgets(buffer, 128, pipe) != NULL) {
+			out += buffer;
+		}
+	} catch (...) {
+		pclose(pipe);
+		ETK_THROW_EXCEPTION(etk::exception::RuntimeError("Broken pipe"));
+	}
+	pclose(pipe);
+	return out;
+}
+
+
diff --git a/etk-core/system.hpp b/etk-core/system.hpp
new file mode 100644
index 0000000..0fd1d93
--- /dev/null
+++ b/etk-core/system.hpp
@@ -0,0 +1,14 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license MPL v2.0 (see license file)
+ */
+
+#include <etk/types.hpp>
+
+#pragma once
+
+namespace etk {
+	etk::String exec(const etk::String& _cmd);
+}
+
diff --git a/lutin_etk-core.py b/lutin_etk-core.py
index b391815..9e57dae 100644
--- a/lutin_etk-core.py
+++ b/lutin_etk-core.py
@@ -37,6 +37,7 @@ def configure(target, my_module):
 	    'etk-core/Allocator.cpp',
 	    'etk-core/typeInfo.cpp',
 	    'etk-core/Exception.cpp',
+	    'etk-core/system.cpp',
 	    ])
 	
 	my_module.add_header_file([
@@ -58,7 +59,8 @@ def configure(target, my_module):
 	    'etk-core/Function.hpp',
 	    'etk-core/NullPtr.hpp',
 	    'etk-core/typeInfo.hpp',
-	    'etk-core/Exception.hpp'
+	    'etk-core/Exception.hpp',
+	    'etk-core/system.hpp',
 	    ], 'etk')
 	
 	# build in C++ mode