split _ldap.pyx into coro.asn1.ber and coro.ldap.query

coro/asn1/__init__.py

@@ -0,0 +1,2 @@
+# -*- Mode: Python -*-
+# even empty, this file is needed so cython will see the .pxd

coro/asn1/ber.pxd

@@ -0,0 +1,52 @@
+# -*- Mode: Cython -*-
+
+# flags for BER tags
+cdef enum FLAGS:
+    FLAGS_UNIVERSAL       = 0x00
+    FLAGS_STRUCTURED      = 0x20
+    FLAGS_APPLICATION     = 0x40
+    FLAGS_CONTEXT         = 0x80
+
+# NULL is a pyrex keyword
+# universal BER tags
+cdef enum TAGS:
+    TAGS_BOOLEAN          = 0x01
+    TAGS_INTEGER          = 0x02
+    TAGS_BITSTRING        = 0x03
+    TAGS_OCTET_STRING     = 0x04
+    TAGS_NULL             = 0x05
+    TAGS_OBJID            = 0x06
+    TAGS_OBJDESCRIPTOR    = 0x07
+    TAGS_EXTERNAL         = 0x08
+    TAGS_REAL             = 0x09
+    TAGS_ENUMERATED       = 0x0a
+    TAGS_EMBEDDED_PDV     = 0x0b
+    TAGS_UTF8STRING       = 0x0c
+    TAGS_SEQUENCE         = 0x10 | 0x20 # Equivalent to FLAGS_STRUCTURED
+    TAGS_SET              = 0x11 | 0x20 # Equivalent to FLAGS_STRUCTURED
+
+cdef int length_of_length (int n)
+cdef void encode_length (int l, int n, char * buffer)
+cdef object _encode_integer (int n)
+cdef object _encode_long_integer (n)
+cdef object _TLV1 (int tag, bytes data)
+cdef object _TLV (int tag, object data)
+cdef object _CHOICE (int n, bint structured)
+cdef object _APPLICATION (int n)
+cdef object _ENUMERATED (int n)
+cdef object _INTEGER (int n)
+cdef object _BOOLEAN (int n)
+cdef object _SEQUENCE (object elems)
+cdef object _SET (object elems)
+cdef object _OCTET_STRING (bytes s)
+cdef object _OBJID (list l)
+cdef object decode_string (unsigned char * s, int * pos, int length)
+cdef object decode_raw (unsigned char * s, int * pos, int length)
+cdef object decode_bitstring (unsigned char * s, int * pos, int length)
+cdef object decode_integer (unsigned char * s, int * pos, int length)
+cdef object decode_long_integer (unsigned char * s, int * pos, int length)
+cdef object decode_structured (unsigned char * s, int * pos, int length)
+cdef object decode_objid (unsigned char * s, int * pos, int length)
+cdef object decode_boolean (unsigned char * s, int * pos, int length)
+cdef int _decode_length (unsigned char * s, int * pos, int lol)
+cdef object _decode (unsigned char * s, int * pos, int eos, bint just_tlv)