Add some markdown tweaks

ftplugin/markdown.lua

@@ -1,5 +1,50 @@
 local keymap = vim.keymap
 
+-- Function to go by cursor path
+local function open_file_under_cursor()
+  -- Get the current line
+  local line = vim.api.nvim_get_current_line()
+  local col = vim.api.nvim_win_get_cursor(0)[2]
+
+  -- Pattern to match file paths (adjust as needed)
+  -- This pattern matches: /path/to/file.ext or /path/to/file.ext:line:col
+  local pattern = "([~/][%w%p]*%.%w+):?(%d*):?(%d*)"
+  print(col)
+
+  -- Find all matches in the line
+  for path, line_num, col_num in line:gmatch(pattern) do
+    -- Get start and end position of the match
+    local start_pos, end_pos = line:find(vim.pesc(path), 1, true)
+
+    -- Check if cursor is within this match
+    if start_pos and end_pos and col >= start_pos - 1 and col < end_pos then
+      -- Expand home directory if needed
+      local expanded_path = path:gsub("^~", os.getenv("HOME"))
+
+      -- Check if file exists
+      local file = io.open(expanded_path, "r")
+      if file then
+        file:close()
+
+        -- Open the file
+        vim.cmd("edit " .. vim.fn.fnameescape(expanded_path))
+
+        -- Jump to line and column if provided
+        if line_num ~= "" then
+          vim.api.nvim_win_set_cursor(0, { tonumber(line_num), tonumber(col_num) or 0 })
+        end
+
+        return
+      end
+    end
+  end
+
+  -- print("No valid file path found under cursor")
+end
+
+-- Map to a key, e.g., gf (go to file)
+vim.keymap.set('n', 'gf', open_file_under_cursor, { desc = 'Open file path under cursor' })
+
 -- Picker for markdown headers
 local pickers = require("telescope.pickers")
 local finders = require("telescope.finders")
@@ -64,3 +109,4 @@ end
 keymap.set("n", "<leader>fdh", markdown_headings, { desc = "Grep: Markdown headings" })
 keymap.set("n", "<leader>icd", formatted_date, { desc = "Insert current date" })
 keymap.set("n", "<leader>ict", formatted_datetime, { desc = "Insert current datetime" })
+keymap.set("n", "<leader>ocf", open_file_under_cursor , { desc = "Open file under cursor" })