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authorEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2016-03-31 18:54:41 +0100
committerEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2016-06-11 20:49:43 +0100
commit332a5c2553db41de777473a1e1be9cd1522c9496 (patch)
tree3ee06a59f147ccc4009b35cccfbe2461bcd18310 /src/text_buffer.py
parentcf44cf7cdec9fdb35caa372563d57e7045dc29dd (diff)
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Move the src directory to poezio, for better cython compatibility.
Diffstat (limited to 'src/text_buffer.py')
-rw-r--r--src/text_buffer.py242
1 files changed, 0 insertions, 242 deletions
diff --git a/src/text_buffer.py b/src/text_buffer.py
deleted file mode 100644
index dd5bc58a..00000000
--- a/src/text_buffer.py
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@@ -1,242 +0,0 @@
-"""
-Define the TextBuffer class
-
-A text buffer contains a list of intermediate representations of messages
-(not xml stanzas, but neither the Lines used in windows.py.
-
-Each text buffer can be linked to multiple windows, that will be rendered
-independantly by their TextWins.
-"""
-
-import logging
-log = logging.getLogger(__name__)
-
-import collections
-
-from datetime import datetime
-from config import config
-from theming import get_theme, dump_tuple
-
-message_fields = ('txt nick_color time str_time nickname user identifier'
- ' highlight me old_message revisions jid ack')
-Message = collections.namedtuple('Message', message_fields)
-
-class CorrectionError(Exception):
- pass
-
-class AckError(Exception):
- pass
-
-def other_elems(self):
- "Helper for the repr_message function"
- acc = ['Message(']
- fields = message_fields.split()
- fields.remove('old_message')
- for field in fields:
- acc.append('%s=%s' % (field, repr(getattr(self, field))))
- return ', '.join(acc) + ', old_message='
-
-def repr_message(self):
- """
- repr() for the Message class, for debug purposes, since the default
- repr() is recursive, so it can stack overflow given too many revisions
- of a message
- """
- init = other_elems(self)
- acc = [init]
- next_message = self.old_message
- rev = 1
- while next_message:
- acc.append(other_elems(next_message))
- next_message = next_message.old_message
- rev += 1
- acc.append('None')
- while rev:
- acc.append(')')
- rev -= 1
- return ''.join(acc)
-
-Message.__repr__ = repr_message
-Message.__str__ = repr_message
-
-class TextBuffer(object):
- """
- This class just keep trace of messages, in a list with various
- informations and attributes.
- """
- def __init__(self, messages_nb_limit=None):
-
- if messages_nb_limit is None:
- messages_nb_limit = config.get('max_messages_in_memory')
- self.messages_nb_limit = messages_nb_limit
- # Message objects
- self.messages = []
- # we keep track of one or more windows
- # so we can pass the new messages to them, as they are added, so
- # they (the windows) can build the lines from the new message
- self.windows = []
-
- def add_window(self, win):
- self.windows.append(win)
-
- @property
- def last_message(self):
- return self.messages[-1] if self.messages else None
-
-
- @staticmethod
- def make_message(txt, time, nickname, nick_color, history, user,
- identifier, str_time=None, highlight=False,
- old_message=None, revisions=0, jid=None, ack=0):
- """
- Create a new Message object with parameters, check for /me messages,
- and delayed messages
- """
- time = time or datetime.now()
- if txt.startswith('/me '):
- me = True
- txt = '\x19%s}%s' % (dump_tuple(get_theme().COLOR_ME_MESSAGE),
- txt[4:])
- else:
- me = False
- if history:
- txt = txt.replace('\x19o', '\x19o\x19%s}' %
- dump_tuple(get_theme().COLOR_LOG_MSG))
- str_time = time.strftime("%Y-%m-%d %H:%M:%S")
- else:
- if str_time is None:
- str_time = time.strftime("%H:%M:%S")
- else:
- str_time = ''
-
- msg = Message(
- txt='%s\x19o'%(txt.replace('\t', ' '),),
- nick_color=nick_color,
- time=time,
- str_time=str_time,
- nickname=nickname,
- user=user,
- identifier=identifier,
- highlight=highlight,
- me=me,
- old_message=old_message,
- revisions=revisions,
- jid=jid,
- ack=ack)
- log.debug('Set message %s with %s.', identifier, msg)
- return msg
-
- def add_message(self, txt, time=None, nickname=None,
- nick_color=None, history=None, user=None, highlight=False,
- identifier=None, str_time=None, jid=None, ack=0):
- """
- Create a message and add it to the text buffer
- """
- msg = self.make_message(txt, time, nickname, nick_color, history,
- user, identifier, str_time=str_time,
- highlight=highlight, jid=jid, ack=ack)
- self.messages.append(msg)
-
- while len(self.messages) > self.messages_nb_limit:
- self.messages.pop(0)
-
- ret_val = None
- show_timestamps = config.get('show_timestamps')
- nick_size = config.get('max_nick_length')
- for window in self.windows: # make the associated windows
- # build the lines from the new message
- nb = window.build_new_message(msg, history=history,
- highlight=highlight,
- timestamp=show_timestamps,
- nick_size=nick_size)
- if ret_val is None:
- ret_val = nb
- if window.pos != 0:
- window.scroll_up(nb)
-
- return ret_val or 1
-
- def _find_message(self, old_id):
- """
- Find a message in the text buffer from its message id
- """
- for i in range(len(self.messages) -1, -1, -1):
- msg = self.messages[i]
- if msg.identifier == old_id:
- return i
- return -1
-
- def ack_message(self, old_id, jid):
- """Mark a message as acked"""
- return self.edit_ack(1, old_id, jid)
-
- def nack_message(self, error, old_id, jid):
- """Mark a message as errored"""
- return self.edit_ack(-1, old_id, jid, append=error)
-
- def edit_ack(self, value, old_id, jid, append=''):
- """
- Edit the ack status of a message, and optionally
- append some text.
- """
- i = self._find_message(old_id)
- if i == -1:
- return
- msg = self.messages[i]
- if msg.jid != jid:
- raise AckError('Wrong JID for message id %s (was %s, expected %s)' %
- (old_id, msg.jid, jid))
-
- new_msg = list(msg)
- new_msg[12] = value
- if append:
- new_msg[0] = new_msg[0] + append
- new_msg = Message(*new_msg)
- self.messages[i] = new_msg
- return new_msg
-
- def modify_message(self, txt, old_id, new_id, highlight=False,
- time=None, user=None, jid=None):
- """
- Correct a message in a text buffer.
- """
-
- i = self._find_message(old_id)
-
- if i == -1:
- log.debug('Message %s not found in text_buffer, abort replacement.',
- old_id)
- raise CorrectionError("nothing to replace")
-
- msg = self.messages[i]
-
- if msg.user and msg.user is not user:
- raise CorrectionError("Different users")
- elif len(msg.str_time) > 8: # ugly
- raise CorrectionError("Delayed message")
- elif not msg.user and (msg.jid is None or jid is None):
- raise CorrectionError('Could not check the '
- 'identity of the sender')
- elif not msg.user and msg.jid != jid:
- raise CorrectionError('Messages %s and %s have not been '
- 'sent by the same fullJID' %
- (old_id, new_id))
-
- if not time:
- time = msg.time
- message = self.make_message(txt, time, msg.nickname,
- msg.nick_color, None, msg.user,
- new_id, highlight=highlight,
- old_message=msg,
- revisions=msg.revisions + 1,
- jid=jid)
- self.messages[i] = message
- log.debug('Replacing message %s with %s.', old_id, new_id)
- return message
-
- def del_window(self, win):
- self.windows.remove(win)
-
- def __del__(self):
- size = len(self.messages)
- log.debug('** Deleting %s messages from textbuffer', size)