From 1cb8a4c73ce7e326ad015b57595bb24afbb153d6 Mon Sep 17 00:00:00 2001
From: Claudius Holeksa <mail@keldu.de>
Date: Tue, 23 May 2023 23:09:06 +0200
Subject: General setup of files

---
 .nix/derivation.nix |  2 +-
 SConstruct          | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/block.h         | 10 ++++++++
 src/descriptor.h    |  6 +++++
 src/lbm_unit.h      | 31 +++++++++++++++++++++++++
 5 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100644 SConstruct
 create mode 100644 src/block.h
 create mode 100644 src/descriptor.h
 create mode 100644 src/lbm_unit.h

diff --git a/.nix/derivation.nix b/.nix/derivation.nix
index 6b1f4f7..f58709f 100644
--- a/.nix/derivation.nix
+++ b/.nix/derivation.nix
@@ -20,5 +20,5 @@ stdenvNoCC.mkDerivation {
     kel-unit
   ];
 
-  outputs = [ "out" ];
+  outputs = [ "out" "dev" ];
 }
diff --git a/SConstruct b/SConstruct
new file mode 100644
index 0000000..ea16f95
--- /dev/null
+++ b/SConstruct
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import os.path
+import glob
+import re
+
+
+if sys.version_info < (3,):
+    def isbasestring(s):
+        return isinstance(s,basestring)
+else:
+    def isbasestring(s):
+        return isinstance(s, (str,bytes))
+
+def add_kel_source_files(self, sources, filetype, lib_env=None, shared=False, target_post=""):
+
+    if isbasestring(filetype):
+        dir_path = self.Dir('.').abspath
+        filetype = sorted(glob.glob(dir_path+"/"+filetype))
+
+    for path in filetype:
+        target_name = re.sub( r'(.*?)(\.cpp|\.c\+\+)', r'\1' + target_post, path )
+        if shared:
+            target_name+='.os'
+            sources.append( self.SharedObject( target=target_name, source=path ) )
+        else:
+            target_name+='.o'
+            sources.append( self.StaticObject( target=target_name, source=path ) )
+    pass
+
+def isAbsolutePath(key, dirname, env):
+	assert os.path.isabs(dirname), "%r must have absolute path syntax" % (key,)
+
+env_vars = Variables(
+	args=ARGUMENTS
+)
+
+env_vars.Add('prefix',
+	help='Installation target location of build results and headers',
+	default='/usr/local/',
+	validator=isAbsolutePath
+)
+
+env=Environment(ENV=os.environ, variables=env_vars, CPPPATH=[],
+    CPPDEFINES=['SAW_UNIX'],
+    CXXFLAGS=['-std=c++20','-g','-Wall','-Wextra'],
+    LIBS=['forstio-core'])
+env.__class__.add_source_files = add_kel_source_files
+env.Tool('compilation_db');
+env.cdb = env.CompilationDatabase('compile_commands.json');
+
+env.objects = [];
+env.sources = [];
+env.headers = [];
+env.targets = [];
+
+Export('env')
+SConscript('src/SConscript')
+
+env.Alias('cdb', env.cdb);
+env.Alias('all', [env.targets]);
+env.Default('all');
+
+env.Alias('install', '$prefix')
diff --git a/src/block.h b/src/block.h
new file mode 100644
index 0000000..0d9de22
--- /dev/null
+++ b/src/block.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include "descriptor.h"
+
+namespace kel {
+template<typename descriptor>
+class block;
+
+
+}
diff --git a/src/descriptor.h b/src/descriptor.h
new file mode 100644
index 0000000..4ef41e5
--- /dev/null
+++ b/src/descriptor.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace kel {
+template<uint16_t D, uint16_t Q, typename... T>
+class descriptor {};
+}
diff --git a/src/lbm_unit.h b/src/lbm_unit.h
new file mode 100644
index 0000000..20c6e70
--- /dev/null
+++ b/src/lbm_unit.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <kel/unit/unit.h>
+
+#include <string_view>
+
+namespace kel {
+namespace lbm_type {
+struct meter {
+	static constexpr std::string_view name = "meter_l";
+	static constexpr std::string_view short_name = "m_l";
+};
+
+struct second {
+	static constexpr std::string_view name = "second_l";
+	static constexpr std::string_view short_name = "s_l";
+};
+}
+
+template<typename S>
+using lbm_meter = unit<S, unit_component<lbm_type::meter, 1>>;
+
+template<typename S>
+using lbm_second = unit<S, unit_component<lbm_type::second, 1>>;
+
+template<typename S>
+using lbm_velocity = unit<S, unit_component<lbm_type::meter, 1>, unit_component<lbm_type::second, -1>>;
+
+template<typename S>
+using lbm_acceleration = unit<S, unit_component<lbm_type::meter, 1>, unit_component<lbm_type::second, -2>>;
+}
-- 
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