project.boost: factor out Configuration/Platform/Linkage

1 files changed, 41 insertions, 0 deletions

diff --git a/project/platform.py b/project/platform.py
new file mode 100644
index 0000000..63f6231
--- /dev/null
+++ b/project/platform.py
@@ -0,0 +1,41 @@
+# Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "cmake-common" project.
+# For details, see https://github.com/egor-tensin/cmake-common.
+# Distributed under the MIT License.
+
+import argparse
+from enum import Enum
+
+
+class Platform(Enum):
+    '''I only build for x86(-64), so here it goes.
+
+    Win32 is just Visual Studio convention, it's effectively an alias for x86.
+    '''
+
+    X86 = 'x86'
+    X64 = 'x64'
+    WIN32 = 'Win32'
+
+    def __str__(self):
+        return self.value
+
+    @staticmethod
+    def all():
+        return (Platform.X86, Platform.X64)
+
+    @staticmethod
+    def parse(s):
+        try:
+            return Platform(s)
+        except ValueError:
+            raise argparse.ArgumentTypeError(f'invalid platform: {s}')
+
+    def get_address_model(self):
+        if self is Platform.X86:
+            return 32
+        if self is Platform.X64:
+            return 64
+        if self is Platform.WIN32:
+            return 32
+        raise NotImplementedError(f'unsupported platform: {self}')