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Viewing changes to bzrlib/_dirstate_helpers_pyx.pyx

  • Committer: John Arbash Meinel
  • Date: 2010-08-24 19:21:32 UTC
  • mto: This revision was merged to the branch mainline in revision 5390.
  • Revision ID: john@arbash-meinel.com-20100824192132-2ktt5adkbk5bk1ct
Handle test_source and extensions. Also define an 'extern' protocol, to allow
the test suite to recognize that returning an object of that type is a Python object.

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bzrlib/_dirstate_helpers_pyx.pyx
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2007, 2008, 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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    # ??? memrchr is a GNU extension :(
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    # void *memrchr(void *s, int c, size_t len)
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# cimport all of the definitions we will need to access
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from _static_tuple_c cimport import_static_tuple_c, StaticTuple, \
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    StaticTuple_New, StaticTuple_SET_ITEM
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import_static_tuple_c()
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cdef void* _my_memrchr(void *s, int c, size_t n): # cannot_raise
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    # memrchr seems to be a GNU extension, so we have to implement it ourselves
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        :param new_block: This is to let the caller know that it needs to
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            create a new directory block to store the next entry.
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        """
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        cdef StaticTuple path_name_file_id_key
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        cdef StaticTuple tmp
 
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        cdef object path_name_file_id_key
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        cdef char *entry_size_cstr
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        cdef unsigned long int entry_size
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        cdef char* executable_cstr
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        # Build up the key that will be used.
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        # By using <object>(void *) Pyrex will automatically handle the
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        # Py_INCREF that we need.
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        cur_dirname = <object>p_current_dirname[0]
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        # Use StaticTuple_New to pre-allocate, rather than creating a regular
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        # tuple and passing it to the StaticTuple constructor.
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        # path_name_file_id_key = StaticTuple(<object>p_current_dirname[0],
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        #                          self.get_next_str(),
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        #                          self.get_next_str(),
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        #                         )
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        tmp = StaticTuple_New(3)
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        Py_INCREF(cur_dirname); StaticTuple_SET_ITEM(tmp, 0, cur_dirname)
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        cur_basename = self.get_next_str()
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        cur_file_id = self.get_next_str()
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        Py_INCREF(cur_basename); StaticTuple_SET_ITEM(tmp, 1, cur_basename)
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        Py_INCREF(cur_file_id); StaticTuple_SET_ITEM(tmp, 2, cur_file_id)
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        path_name_file_id_key = tmp
 
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        path_name_file_id_key = (<object>p_current_dirname[0],
 
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                                 self.get_next_str(),
 
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                                 self.get_next_str(),
 
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                                )
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        # Parse all of the per-tree information. current has the information in
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        # the same location as parent trees. The only difference is that 'info'
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            executable_cstr = self.get_next(&cur_size)
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            is_executable = (executable_cstr[0] == c'y')
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            info = self.get_next_str()
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            # TODO: If we want to use StaticTuple_New here we need to be pretty
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            #       careful. We are relying on a bit of Pyrex
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            #       automatic-conversion from 'int' to PyInt, and that doesn't
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            #       play well with the StaticTuple_SET_ITEM macro.
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            #       Timing doesn't (yet) show a worthwile improvement in speed
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            #       versus complexity and maintainability.
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            # tmp = StaticTuple_New(5)
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            # Py_INCREF(minikind); StaticTuple_SET_ITEM(tmp, 0, minikind)
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            # Py_INCREF(fingerprint); StaticTuple_SET_ITEM(tmp, 1, fingerprint)
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            # Py_INCREF(entry_size); StaticTuple_SET_ITEM(tmp, 2, entry_size)
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            # Py_INCREF(is_executable); StaticTuple_SET_ITEM(tmp, 3, is_executable)
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            # Py_INCREF(info); StaticTuple_SET_ITEM(tmp, 4, info)
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            # PyList_Append(trees, tmp)
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            PyList_Append(trees, StaticTuple(
 
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            PyList_Append(trees, (
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                minikind,     # minikind
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                fingerprint,  # fingerprint
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                entry_size,   # size