From 28058fb53d21097947d190bcc47e3609a6794e7a Mon Sep 17 00:00:00 2001 From: Joel Nothman Date: Sat, 22 Sep 2012 22:57:00 +1000 Subject: A first implementation of Unpacker.skip() --- msgpack/_msgpack.pyx | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) (limited to 'msgpack/_msgpack.pyx') diff --git a/msgpack/_msgpack.pyx b/msgpack/_msgpack.pyx index 80d34ab..c1e3e75 100644 --- a/msgpack/_msgpack.pyx +++ b/msgpack/_msgpack.pyx @@ -200,7 +200,7 @@ cdef extern from "unpack.h": PyObject* key int template_execute(template_context* ctx, const_char_ptr data, - size_t len, size_t* off) except -1 + size_t len, size_t* off, bool construct) except -1 void template_init(template_context* ctx) object template_data(template_context* ctx) @@ -246,7 +246,7 @@ def unpackb(object packed, object object_hook=None, object list_hook=None, if not PyCallable_Check(list_hook): raise TypeError("list_hook must be a callable.") ctx.user.list_hook = list_hook - ret = template_execute(&ctx, buf, buf_len, &off) + ret = template_execute(&ctx, buf, buf_len, &off, True) if ret == 1: return template_data(&ctx) else: @@ -440,15 +440,12 @@ cdef class Unpacker(object): else: self.file_like = None - cpdef unpack(self): - """unpack one object""" + cpdef _unpack(self, bool construct): cdef int ret while 1: - ret = template_execute(&self.ctx, self.buf, self.buf_tail, &self.buf_head) + ret = template_execute(&self.ctx, self.buf, self.buf_tail, &self.buf_head, construct) if ret == 1: - o = template_data(&self.ctx) - template_init(&self.ctx) - return o + return elif ret == 0: if self.file_like is not None: self.fill_buffer() @@ -457,6 +454,18 @@ cdef class Unpacker(object): else: raise ValueError("Unpack failed: error = %d" % (ret,)) + cpdef unpack(self): + """unpack one object""" + self._unpack(True) + o = template_data(&self.ctx) + template_init(&self.ctx) + + + cpdef skip(self): + """read and ignore one object, returning None""" + self._unpack(False) + template_init(&self.ctx) + def __iter__(self): return self -- cgit v1.2.1