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#!/usr/bin/env python3
#
# Takes DBus XML files and writes out a pair of introspection.[ch] files for inclusion
# in C code.
import argparse
import os
import sys
from xml.etree import ElementTree
CTEMPLATE = """
/*
* This file has been auto-generated from the introspection data available
* in the at-spi2-core repository. The D-Bus protocol is defined in this
* repository, which can be found at:
*
* https://gitlab.gnome.org/GNOME/at-spi2-core
*
* DO NOT EDIT.
*/
%s
"""
HTEMPLATE = """
/*
* This file has been auto-generated from the introspection data available
* in the at-spi2-core repository. The D-Bus protocol is defined in this
* repository, which can be found at:
*
* https://gitlab.gnome.org/GNOME/at-spi2-core
*
* DO NOT EDIT.
*/
#ifndef SPI_INTROSPECTION_DATA_H_
#define SPI_INTROSPECTION_DATA_H_
%s
#endif /* SPI_INTROSPECTION_DATA_H_ */
"""
DECTEMPLATE = """
extern const char *%s;
"""
DEFTEMPLATE = """
const char *%s =
%s;
"""
def convert_name (name):
return "spi_" + name.replace (".", "_")
def convert_contents (contents):
contents = contents.replace ("\"", "\\\"")
literals = ["\"%s\"" % (line) for line in contents.split ("\n")]
return "\n".join (literals)
def generate_introspection (inputs, c_output_filename, h_output_filename):
#Open the output files.
cfile = open (c_output_filename, "w")
hfile = open (h_output_filename, "w")
ccontents = ""
hcontents = ""
for input_filename in inputs:
#Open the XML file and process includes.
try:
tree = ElementTree.parse (input_filename)
except Exception as e:
raise type(e)(f"Invalid XML while parsing {input_filename}: {str(e)}")
root = tree.getroot ()
for itf in root.findall ("interface"):
#Get and convert the name of the interface.
name = convert_name (itf.attrib["name"])
contents = convert_contents (ElementTree.tostring (itf, encoding="unicode"))
hcontents += DECTEMPLATE % (name)
ccontents += DEFTEMPLATE % (name, contents)
cfile.write (CTEMPLATE % (ccontents))
hfile.write (HTEMPLATE % (hcontents))
cfile.close ()
hfile.close ()
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Create a C source file and header file from DBus XML files")
parser.add_argument('sources', metavar='FILE.XML', nargs='+', help='DBus XML interface file')
parser.add_argument('--c-output', metavar='OUT.C', required=True, help='Name out output C file')
parser.add_argument('--h-output', metavar='OUT.H', required=True, help='Name out output H file')
args = parser.parse_args()
input_filename = sys.argv[1]
c_output_filename = sys.argv[2]
h_output_filename = sys.argv[3]
generate_introspection (args.sources, args.c_output, args.h_output)
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