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#!/usr/bin/env python3
#
# Takes a DBus XML file and writes out introspection.[ch] files for inclusion
# in C code. Both files are written to the OUTPUT_DIRECTORY as per below.
#
# Usage: python3 versioned-introspection.py INPUT_FILE.XML OUTPUT_DIRECTORY
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;
"""
VERSION = "0.1.7"
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 (input_filename, c_output_filename, h_output_filename):
#Open the XML file and process includes.
tree = ElementTree.parse (input_filename)
root = tree.getroot ()
#Open the output files.
cfile = open (c_output_filename, "w")
hfile = open (h_output_filename, "w")
ccontents = ""
hcontents = ""
for itf in root.findall ("node/interface"):
#Get and convert the name of the interface.
name = convert_name (itf.attrib["name"])
#Create the introspection string with version information.
itf.attrib["version"] = VERSION
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__":
argv = sys.argv
if len (argv) != 4:
print("usage: versioned-introspection.py INPUT.XML OUTPUT.C, OUTPUT.H", file=sys.stderr)
sys.exit(1)
input_filename = sys.argv[1]
c_output_filename = sys.argv[2]
h_output_filename = sys.argv[3]
generate_introspection (input_filename, c_output_filename, h_output_filename)
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