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# ============================================================================
# FILE: buffer.py
# AUTHOR: Shougo Matsushita <Shougo.Matsu at gmail.com>
# License: MIT license
# ============================================================================
from deoplete.source.base import Base
from deoplete.util import parse_buffer_pattern, getlines
class Source(Base):
def __init__(self, vim):
super().__init__(vim)
self.name = 'buffer'
self.mark = '[B]'
self.events = ['Init', 'BufReadPost', 'BufWritePost']
self.vars = {
'require_same_filetype': True,
}
self._limit = 1000000
self._buffers = {}
self._max_lines = 5000
def on_event(self, context):
self._make_cache(context)
tab_bufnrs = self.vim.call('tabpagebuflist')
self._buffers = {
x['bufnr']: x for x in self._buffers.values()
if x['bufnr'] in tab_bufnrs or
self.vim.call('buflisted', x['bufnr'])
}
def gather_candidates(self, context):
tab_bufnrs = self.vim.call('tabpagebuflist')
same_filetype = self.get_var('require_same_filetype')
return {'sorted_candidates': [
x['candidates'] for x in self._buffers.values()
if not same_filetype or
x['filetype'] in context['filetypes'] or
x['filetype'] in context['same_filetypes'] or
x['bufnr'] in tab_bufnrs
]}
def _make_cache(self, context):
# Bufsize check
size = self.vim.call('line2byte',
self.vim.call('line', '$') + 1) - 1
if size > self._limit:
return
try:
self._buffers[context['bufnr']] = {
'bufnr': context['bufnr'],
'filetype': self.vim.current.buffer.options['filetype'],
'candidates': [
{'word': x} for x in
sorted(parse_buffer_pattern(getlines(self.vim),
context['keyword_pattern']),
key=str.lower)
]
}
except UnicodeDecodeError:
return []
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