Feat: add basic file line plugin

2 files changed, 78 insertions, 5 deletions

diff --git a/packages/finder/main.py b/packages/finder/main.py
index 4e04e5c..931f1d4 100644
--- a/packages/finder/main.py
+++ b/packages/finder/main.py
@@ -45,6 +45,7 @@ except ImportError:
     raise ImportError
 
 from .plugin.searcher.file.name import FinderPluginFileNameSearcher
+from .plugin.searcher.file.line import FinderPluginFileLineSearcher
 from .plugin.opener.file.xdg    import FinderPluginFileXdgOpener
 
 class FinderMain():
@@ -75,9 +76,13 @@ class FinderMain():
         self.state['loading'] = False
 
     def open(self):
+        # Heuristics: if path is a file, folder is the dirname of that file
+        # so right now file lists need to be put in the same folder of the
+        # files it lists.
+        path = self.path if os.path.isdir(self.path) else os.path.dirname(self.path)
         item = self.list_buffer.document.current_line
 
-        self.opener.open(os.path.join(self.path, item))
+        self.opener.open(os.path.join(path, item))
 
     def clear_list_buffer(self):
         self.list_buffer.set_document(Document(''), bypass_readonly=True)
@@ -207,6 +212,18 @@ class FinderMain():
     def run(self):
         return asyncio.run(self.main())
 
+    def set_handlers(self):
+        # Searcher and opener objects
+        if os.path.isdir(self.path):
+            self.searcher = FinderPluginFileNameSearcher(self.path)
+        elif os.path.isfile(self.path):
+            self.searcher = FinderPluginFileLineSearcher(self.path)
+        else:
+            # TODO: exception
+            pass
+
+        self.opener = FinderPluginFileXdgOpener()
+
     async def main(self):
         # UI
         self.ui()
@@ -235,9 +252,8 @@ class FinderMain():
             #editing_mode                  = EditingMode.VI,
         )
 
-        # Searcher and opener objects
-        self.searcher = FinderPluginFileNameSearcher(self.path)
-        self.opener   = FinderPluginFileXdgOpener()
+        # Set handlers for the current path
+        self.set_handlers()
 
         async with asyncio.TaskGroup() as tg:
             # Run the application
@@ -254,7 +270,7 @@ class FinderMain():
     def format(self, items):
         return '\n'.join(
                 sorted(
-                    [ item.removeprefix(self.path).removeprefix(os.sep) for item in items ]
+                    [ item.removeprefix(self.path).removeprefix(os.sep).rstrip('\n') for item in items ]
                 ))
 
     def finish(self, result = True):
diff --git a/packages/finder/plugin/searcher/file/line.py b/packages/finder/plugin/searcher/file/line.py
new file mode 100644
index 0000000..bb90cc0
--- /dev/null
+++ b/packages/finder/plugin/searcher/file/line.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Finder searcher and browser REPL.
+#
+# Copyright (C) 2024 Silvio Rhatto <rhatto@riseup.net>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published
+# by the Free Software Foundation, either version 3 of the License,
+# or any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import re
+
+class FinderPluginFileLineSearcher():
+    def __init__(self, path):
+        self.set_path(path)
+
+    def set_path(self, path):
+        # Initialize item list
+        if 'items' not in dir(self):
+            self.items = []
+
+        # Reset item list when changing paths
+        elif 'path' in dir(self) and self.path != path:
+            self.items = []
+
+        self.path = path
+
+    async def finder(self, cached = False):
+        # Check existing cache
+        if cached:
+            if len(self.items) > 0:
+                return self.items
+            else:
+                return await self.finder()
+
+        else:
+            with open(self.path, 'r') as f:
+                self.items = f.readlines()
+
+                return self.items
+
+    def filter(self, text = ''):
+        if text == '' or text is None:
+            return self.items
+
+        return filter(lambda s: re.search(re.escape(text), s, flags=re.IGNORECASE), self.items)