1 files changed, 91 insertions, 0 deletions
diff --git a/rplugin/python3/deoplete/source/file.py b/rplugin/python3/deoplete/source/file.py
new file mode 100644
index 0000000..02ba643
--- /dev/null
+++ b/rplugin/python3/deoplete/source/file.py
@@ -0,0 +1,91 @@
+# ============================================================================
+# FILE: file.py
+# AUTHOR: Felipe Morales <hel.sheep at gmail.com>
+#         Shougo Matsushita <Shougo.Matsu at gmail.com>
+# License: MIT license
+# ============================================================================
+
+import os
+import re
+from os.path import exists, dirname
+from .base import Base
+from deoplete.util import \
+    set_default, get_simple_buffer_config
+
+
+class Source(Base):
+
+    def __init__(self, vim):
+        Base.__init__(self, vim)
+
+        self.name = 'file'
+        self.mark = '[F]'
+        self.min_pattern_length = 0
+        self.rank = 150
+        self.__isfname = ''
+
+        set_default(self.vim, 'g:deoplete#file#enable_buffer_path', 0)
+
+    def on_event(self, context):
+        self.__isfname = self.vim.call(
+            'deoplete#util#vimoption2python_not',
+            self.vim.options['isfname'])
+
+    def get_complete_position(self, context):
+        pos = context['input'].rfind('/')
+        return pos if pos < 0 else pos + 1
+
+    def gather_candidates(self, context):
+        p = self.__longest_path_that_exists(context, context['input'])
+        if p in (None, []) or p == '/' or re.search('//+$', p):
+            return []
+        complete_str = self.__substitute_path(context, dirname(p) + '/')
+        if not os.path.isdir(complete_str):
+            return []
+        hidden = context['complete_str'].find('.') == 0
+        contents = [[], []]
+        try:
+            for item in sorted(os.listdir(complete_str), key=str.lower):
+                if not hidden and item[0] == '.':
+                    continue
+                contents[not os.path.isdir(complete_str + item)].append(item)
+        except PermissionError:
+            pass
+
+        dirs, files = contents
+        return [{'word': x, 'abbr': x + '/'} for x in dirs
+                ] + [{'word': x} for x in files]
+
+    def __longest_path_that_exists(self, context, input_str):
+        data = [input_str]
+        m = re.search(self.__isfname, input_str)
+        if m and m.group(0) != '':
+            data = re.split(self.__isfname, input_str)
+        pos = [" ".join(data[i:]) for i in range(len(data))]
+        existing_paths = list(filter(lambda x: exists(
+            dirname(self.__substitute_path(context, x))), pos))
+        if existing_paths and len(existing_paths) > 0:
+            return sorted(existing_paths)[-1]
+        return None
+
+    def __substitute_path(self, context, path):
+        buffer_path = get_simple_buffer_config(
+            context,
+            'deoplete_file_enable_buffer_path',
+            'deoplete#file#enable_buffer_path')
+        m = re.match(r'(\.+)/', path)
+        if m:
+            h = self.vim.funcs.repeat(':h', len(m.group(1)))
+            return re.sub(r'^\.+',
+                          self.vim.funcs.fnamemodify(
+                              (context['bufname']
+                               if buffer_path
+                               else context['cwd']), ':p' + h),
+                          path)
+        m = re.match(r'~/', path)
+        if m and os.environ.get('HOME'):
+            return re.sub(r'^~', os.environ.get('HOME'), path)
+        m = re.match(r'\$([A-Z_]+)/', path)
+        if m and os.environ.get(m.group(1)):
+            return re.sub(r'^\$[A-Z_]+', os.environ.get(m.group(1)), path)
+        return path