1#!/usr/bin/env python 2# 3# gen-javahl-errors.py: Generate a Java class containing an enum for the 4# C error codes 5# 6# ==================================================================== 7# Licensed to the Apache Software Foundation (ASF) under one 8# or more contributor license agreements. See the NOTICE file 9# distributed with this work for additional information 10# regarding copyright ownership. The ASF licenses this file 11# to you under the Apache License, Version 2.0 (the 12# "License"); you may not use this file except in compliance 13# with the License. You may obtain a copy of the License at 14# 15# http://www.apache.org/licenses/LICENSE-2.0 16# 17# Unless required by applicable law or agreed to in writing, 18# software distributed under the License is distributed on an 19# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20# KIND, either express or implied. See the License for the 21# specific language governing permissions and limitations 22# under the License. 23# ==================================================================== 24# 25 26import sys, os 27 28try: 29 from svn import core 30except ImportError as e: 31 sys.stderr.write("ERROR: Unable to import Subversion's Python bindings: '%s'\n" \ 32 "Hint: Set your PYTHONPATH environment variable, or adjust your " \ 33 "PYTHONSTARTUP\nfile to point to your Subversion install " \ 34 "location's svn-python directory.\n" % e) 35 sys.stderr.flush() 36 sys.exit(1) 37 38def get_errors(): 39 errs = {} 40 for key in vars(core): 41 if key.find('SVN_ERR_') == 0: 42 try: 43 val = int(vars(core)[key]) 44 errs[val] = key 45 except: 46 pass 47 return errs 48 49def gen_javahl_class(error_codes, output_filename): 50 jfile = open(output_filename, 'w') 51 jfile.write( 52"""/** ErrorCodes.java - This file is autogenerated by gen-javahl-errors.py 53 */ 54 55package org.tigris.subversion.javahl; 56 57/** 58 * Provide mappings from error codes generated by the C runtime to meaningful 59 * Java values. For a better description of each error, please see 60 * svn_error_codes.h in the C source. 61 */ 62public class ErrorCodes 63{ 64""") 65 66 keys = sorted(error_codes.keys()) 67 68 for key in keys: 69 # Format the code name to be more Java-esque 70 code_name = error_codes[key][8:].replace('_', ' ').title().replace(' ', '') 71 code_name = code_name[0].lower() + code_name[1:] 72 73 jfile.write(" public static final int %s = %d;\n" % (code_name, key)) 74 75 jfile.write("}\n") 76 jfile.close() 77 78if __name__ == "__main__": 79 if len(sys.argv) > 1: 80 output_filename = sys.argv[1] 81 else: 82 output_filename = os.path.join('..', '..', 'subversion', 'bindings', 83 'javahl', 'src', 'org', 'tigris', 84 'subversion', 'javahl', 'ErrorCodes.java') 85 86 gen_javahl_class(get_errors(), output_filename) 87