1 files changed, 45 insertions, 0 deletions
diff --git a/src/bcdd/BCalcWrapper.py b/src/bcdd/BCalcWrapper.py
new file mode 100644
index 0000000..a6bed27
--- /dev/null
+++ b/src/bcdd/BCalcWrapper.py
@@ -0,0 +1,45 @@
+'''
+Wrapper class for libbcalcDDS.dll
+'''
+
+import os
+from ctypes import cdll, c_char_p, c_void_p
+
+from .Exceptions import DllNotFoundException
+
+
+class BCalcWrapper(object):
+
+    DENOMINATIONS = [ 'C', 'D', 'H', 'S', 'N' ]
+    PLAYERS = [ 'N', 'E', 'S', 'W' ]
+
+    def __init__(self):
+        dllPath = os.path.join(
+            os.path.dirname(__file__),
+            '..')
+        try:
+            self.libbcalcdds = cdll.LoadLibrary(os.path.join(
+                dllPath, 'libbcalcdds.dll'))
+        except OSError:
+            try:
+                self.libbcalcdds = cdll.LoadLibrary(os.path.join(
+                    dllPath, 'libbcalcdds.so'))
+            except OSError:
+                self.libbcalcdds = None
+        if self.libbcalcdds is None:
+            raise DllNotFoundException()
+
+    def __getattr__(self, attrname):
+        def _dynamic_method(*args):
+            function = getattr(self.libbcalcdds, 'bcalcDDS_' + attrname)
+            if attrname == 'new':
+                function.restype = c_void_p
+            else:
+                if attrname == 'getLastError':
+                    function.restype = c_char_p
+                function.argtypes = [c_void_p]
+            return function(*args)
+        return _dynamic_method
+
+    def declarerToLeader(self, player):
+        return (player + 1) % 4