diff options
Diffstat (limited to 'Release/share/glib-2.0/codegen/parser.py')
| -rw-r--r-- | Release/share/glib-2.0/codegen/parser.py | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/Release/share/glib-2.0/codegen/parser.py b/Release/share/glib-2.0/codegen/parser.py new file mode 100644 index 0000000..90cebd9 --- /dev/null +++ b/Release/share/glib-2.0/codegen/parser.py @@ -0,0 +1,292 @@ +# -*- Mode: Python -*- + +# GDBus - GLib D-Bus Library +# +# Copyright (C) 2008-2011 Red Hat, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General +# Public License along with this library; if not, see <http://www.gnu.org/licenses/>. +# +# Author: David Zeuthen <davidz@redhat.com> + +import sys +import xml.parsers.expat + +from . import dbustypes + +class DBusXMLParser: + STATE_TOP = 'top' + STATE_NODE = 'node' + STATE_INTERFACE = 'interface' + STATE_METHOD = 'method' + STATE_SIGNAL = 'signal' + STATE_PROPERTY = 'property' + STATE_ARG = 'arg' + STATE_ANNOTATION = 'annotation' + STATE_IGNORED = 'ignored' + + def __init__(self, xml_data): + self._parser = xml.parsers.expat.ParserCreate() + self._parser.CommentHandler = self.handle_comment + self._parser.CharacterDataHandler = self.handle_char_data + self._parser.StartElementHandler = self.handle_start_element + self._parser.EndElementHandler = self.handle_end_element + + self.parsed_interfaces = [] + self._cur_object = None + + self.state = DBusXMLParser.STATE_TOP + self.state_stack = [] + self._cur_object = None + self._cur_object_stack = [] + + self.doc_comment_last_symbol = '' + + self._parser.Parse(xml_data) + + COMMENT_STATE_BEGIN = 'begin' + COMMENT_STATE_PARAMS = 'params' + COMMENT_STATE_BODY = 'body' + COMMENT_STATE_SKIP = 'skip' + def handle_comment(self, data): + comment_state = DBusXMLParser.COMMENT_STATE_BEGIN; + lines = data.split('\n') + symbol = '' + body = '' + in_para = False + params = {} + for line in lines: + orig_line = line + line = line.lstrip() + if comment_state == DBusXMLParser.COMMENT_STATE_BEGIN: + if len(line) > 0: + colon_index = line.find(': ') + if colon_index == -1: + if line.endswith(':'): + symbol = line[0:len(line)-1] + comment_state = DBusXMLParser.COMMENT_STATE_PARAMS + else: + comment_state = DBusXMLParser.COMMENT_STATE_SKIP + else: + symbol = line[0:colon_index] + rest_of_line = line[colon_index+2:].strip() + if len(rest_of_line) > 0: + body += '<para>' + rest_of_line + '</para>' + comment_state = DBusXMLParser.COMMENT_STATE_PARAMS + elif comment_state == DBusXMLParser.COMMENT_STATE_PARAMS: + if line.startswith('@'): + colon_index = line.find(': ') + if colon_index == -1: + comment_state = DBusXMLParser.COMMENT_STATE_BODY + if not in_para: + body += '<para>' + in_para = True + body += orig_line + '\n' + else: + param = line[1:colon_index] + docs = line[colon_index + 2:] + params[param] = docs + else: + comment_state = DBusXMLParser.COMMENT_STATE_BODY + if len(line) > 0: + if not in_para: + body += '<para>' + in_para = True + body += orig_line + '\n' + elif comment_state == DBusXMLParser.COMMENT_STATE_BODY: + if len(line) > 0: + if not in_para: + body += '<para>' + in_para = True + body += orig_line + '\n' + else: + if in_para: + body += '</para>' + in_para = False + if in_para: + body += '</para>' + + if symbol != '': + self.doc_comment_last_symbol = symbol + self.doc_comment_params = params + self.doc_comment_body = body + + def handle_char_data(self, data): + #print 'char_data=%s'%data + pass + + def handle_start_element(self, name, attrs): + old_state = self.state + old_cur_object = self._cur_object + if self.state == DBusXMLParser.STATE_IGNORED: + self.state = DBusXMLParser.STATE_IGNORED + elif self.state == DBusXMLParser.STATE_TOP: + if name == DBusXMLParser.STATE_NODE: + self.state = DBusXMLParser.STATE_NODE + else: + self.state = DBusXMLParser.STATE_IGNORED + elif self.state == DBusXMLParser.STATE_NODE: + if name == DBusXMLParser.STATE_INTERFACE: + self.state = DBusXMLParser.STATE_INTERFACE + iface = dbustypes.Interface(attrs['name']) + self._cur_object = iface + self.parsed_interfaces.append(iface) + elif name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + # assign docs, if any + if 'name' in attrs and self.doc_comment_last_symbol == attrs['name']: + self._cur_object.doc_string = self.doc_comment_body + if 'short_description' in self.doc_comment_params: + short_description = self.doc_comment_params['short_description'] + self._cur_object.doc_string_brief = short_description + if 'since' in self.doc_comment_params: + self._cur_object.since = \ + self.doc_comment_params['since'].strip() + + elif self.state == DBusXMLParser.STATE_INTERFACE: + if name == DBusXMLParser.STATE_METHOD: + self.state = DBusXMLParser.STATE_METHOD + method = dbustypes.Method(attrs['name']) + self._cur_object.methods.append(method) + self._cur_object = method + elif name == DBusXMLParser.STATE_SIGNAL: + self.state = DBusXMLParser.STATE_SIGNAL + signal = dbustypes.Signal(attrs['name']) + self._cur_object.signals.append(signal) + self._cur_object = signal + elif name == DBusXMLParser.STATE_PROPERTY: + self.state = DBusXMLParser.STATE_PROPERTY + prop = dbustypes.Property(attrs['name'], attrs['type'], attrs['access']) + self._cur_object.properties.append(prop) + self._cur_object = prop + elif name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + # assign docs, if any + if 'name' in attrs and self.doc_comment_last_symbol == attrs['name']: + self._cur_object.doc_string = self.doc_comment_body + if 'since' in self.doc_comment_params: + self._cur_object.since = \ + self.doc_comment_params['since'].strip() + + elif self.state == DBusXMLParser.STATE_METHOD: + if name == DBusXMLParser.STATE_ARG: + self.state = DBusXMLParser.STATE_ARG + arg_name = None + if 'name' in attrs: + arg_name = attrs['name'] + arg = dbustypes.Arg(arg_name, attrs['type']) + direction = attrs.get('direction', 'in') + if direction == 'in': + self._cur_object.in_args.append(arg) + elif direction == 'out': + self._cur_object.out_args.append(arg) + else: + raise RuntimeError('Invalid direction "%s"'%(direction)) + self._cur_object = arg + elif name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + # assign docs, if any + if self.doc_comment_last_symbol == old_cur_object.name: + if 'name' in attrs and attrs['name'] in self.doc_comment_params: + doc_string = self.doc_comment_params[attrs['name']] + if doc_string != None: + self._cur_object.doc_string = doc_string + if 'since' in self.doc_comment_params: + self._cur_object.since = \ + self.doc_comment_params['since'].strip() + + elif self.state == DBusXMLParser.STATE_SIGNAL: + if name == DBusXMLParser.STATE_ARG: + self.state = DBusXMLParser.STATE_ARG + arg_name = None + if 'name' in attrs: + arg_name = attrs['name'] + arg = dbustypes.Arg(arg_name, attrs['type']) + self._cur_object.args.append(arg) + self._cur_object = arg + elif name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + # assign docs, if any + if self.doc_comment_last_symbol == old_cur_object.name: + if 'name' in attrs and attrs['name'] in self.doc_comment_params: + doc_string = self.doc_comment_params[attrs['name']] + if doc_string != None: + self._cur_object.doc_string = doc_string + if 'since' in self.doc_comment_params: + self._cur_object.since = \ + self.doc_comment_params['since'].strip() + + elif self.state == DBusXMLParser.STATE_PROPERTY: + if name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + elif self.state == DBusXMLParser.STATE_ARG: + if name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + elif self.state == DBusXMLParser.STATE_ANNOTATION: + if name == DBusXMLParser.STATE_ANNOTATION: + self.state = DBusXMLParser.STATE_ANNOTATION + anno = dbustypes.Annotation(attrs['name'], attrs['value']) + self._cur_object.annotations.append(anno) + self._cur_object = anno + else: + self.state = DBusXMLParser.STATE_IGNORED + + else: + raise RuntimeError('Unhandled state "%s" while entering element with name "%s"'%(self.state, name)) + + self.state_stack.append(old_state) + self._cur_object_stack.append(old_cur_object) + + def handle_end_element(self, name): + self.state = self.state_stack.pop() + self._cur_object = self._cur_object_stack.pop() + +def parse_dbus_xml(xml_data): + parser = DBusXMLParser(xml_data) + return parser.parsed_interfaces |