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# PYRTFCOMP.PYX
#
# Python wrappers for librtfcomp
#
# Copyright 28/2/2007 Dr J A Gow
#
# This file is released under the terms and conditions of the LGPL - please see the LICENCE
# file in the package root directory.
cdef extern from "rtfcomp/rtfcomp.h":
ctypedef struct RTFOPTS:
int lenOpts
unsigned int isCompressed
int LZRTFCompress(unsigned char ** dest, unsigned int * outlen, unsigned char * src, int len)
int LZRTFDecompress(unsigned char ** dest, unsigned int * outlen, unsigned char * src, unsigned int len)
int LZRTFConvertRTFToUTF8(unsigned char ** utfout, unsigned int * utflen, unsigned char * rtfin, unsigned int rtflen, RTFOPTS * options)
int LZRTFConvertUTF8ToRTF(unsigned char ** rtfout, unsigned int * lenOut, unsigned char * utfin, unsigned int len, unsigned char * rtfhdr, unsigned int hdrlen, RTFOPTS * options)
char * LZRTFGetStringErrorCode(int ec)
cdef extern from "Python.h":
char *PyString_AsString(object string)
object PyString_FromStringAndSize(char *s, int len)
int PyString_AsStringAndSize(object obj, char **buffer, int *length)
cdef extern from "stdlib.h":
void free(void * ptr)
class RTFException:
def __init__(self,ec):
self.errorcode = ec;
self.strdesc = <char *>LZRTFGetStringErrorCode(ec)
def dump(self):
print "Failed to convert: %s" % self.strdesc
def RTFCompress(src):
cdef unsigned char * result
cdef unsigned int reslen
cdef int rc
rc=LZRTFCompress(&result,&reslen,<unsigned char *>PyString_AsString(src),len(src))
if rc != 0:
raise RTFException(rc)
rstr = PyString_FromStringAndSize(<char *>result,reslen)
free(result)
return rstr
def RTFDecompress(src):
cdef unsigned char * result
cdef unsigned int reslen
cdef int rc
rc=LZRTFDecompress(&result,&reslen,<unsigned char *>PyString_AsString(src),len(src))
if rc != 0:
raise RTFException(rc)
rstr = PyString_FromStringAndSize(<char *>result, reslen)
free(result)
return rstr
def RTFConvertToUTF8(src, isCompressed):
cdef RTFOPTS opts
cdef unsigned char * result
cdef unsigned int reslen
cdef int rc
opts.lenOpts = sizeof(RTFOPTS)
opts.isCompressed = isCompressed
rc=LZRTFConvertRTFToUTF8(&result, &reslen, <unsigned char *>PyString_AsString(src),len(src),&opts)
if rc != 0:
raise RTFException(rc)
rstr = PyString_FromStringAndSize(<char *>result, reslen)
free(result)
return rstr
def RTFConvertFromUTF8(src, header, isCompressed):
cdef RTFOPTS opts
cdef unsigned char * result
cdef unsigned int reslen
cdef int rc
opts.lenOpts = sizeof(RTFOPTS)
opts.isCompressed = isCompressed
rc=LZRTFConvertUTF8ToRTF(&result, &reslen, <unsigned char *>PyString_AsString(src),len(src),<unsigned char *>PyString_AsString(header), len(header), &opts)
if rc != 0:
raise RTFException(rc)
rstr = PyString_FromStringAndSize(<char *>result, reslen)
free(result)
return rstr
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