Move user commands to dedicated usercmds.lua

lua/usercmds.lua

@@ -0,0 +1,73 @@
+-- These should be self-explanatory
+vim.api.nvim_create_user_command('Cd', 'cd %:h', { desc = 'Change directory to the current file' })
+vim.api.nvim_create_user_command('Py', '!python %', { desc = 'Execute python file' })
+vim.api.nvim_create_user_command('Bash', '!bash %', { desc = 'Execute bash file' })
+vim.api.nvim_create_user_command('Trim', 'lua MiniTrailspace.trim()', { desc = 'Trim trailing whitespace' })
+
+-- Set working directory to git root directory
+vim.api.nvim_create_user_command('CDToGitRoot', function()
+  local handle = io.popen 'git rev-parse --show-toplevel 2>/dev/null'
+  local git_root
+
+  if handle then
+    git_root = handle:read('*a'):gsub('\n', '')
+    handle:close()
+  end
+
+  if git_root == '' then
+    print 'Not in a Git repository'
+  else
+    vim.cmd('cd ' .. git_root)
+    print('Changed directory to Git root: ' .. git_root)
+  end
+end, { desc = 'Change directory to the current Git repository root' })
+
+-- Count words in the current buffer
+vim.api.nvim_create_user_command('WordCount', function()
+  local buf = vim.api.nvim_get_current_buf()
+  local lines = vim.api.nvim_buf_get_lines(buf, 0, -1, false)
+  local words = 0
+  for _, line in ipairs(lines) do
+    for _ in line:gmatch '%S+' do
+      words = words + 1
+    end
+  end
+  print('Word count: ' .. words)
+end, { desc = 'Count words in current buffer' })
+
+-- Generate header guards for .h files
+vim.api.nvim_create_user_command('HeaderGuard', function()
+  local filename = vim.fn.expand '%:t' -- filename.ext
+  local stem = vim.fn.expand '%:t:r' -- filename without extension
+  local ext = vim.fn.expand '%:e' -- file extension
+
+  if ext ~= 'h' then
+    print 'HeaderGuard: Not a .h file!'
+    return
+  end
+
+  local guard = string.upper(stem) .. '_H'
+
+  -- Insert at top
+  vim.api.nvim_buf_set_lines(0, 0, 0, false, {
+    '#ifndef ' .. guard,
+    '#define ' .. guard,
+    '',
+  })
+
+  -- Insert at bottom
+  local last_line = vim.api.nvim_buf_line_count(0)
+  vim.api.nvim_buf_set_lines(0, last_line, last_line, false, {
+    '',
+    '#endif // ' .. guard,
+  })
+
+  print('Header guard inserted: ' .. guard)
+end, { desc = 'Insert header guard for current .h file' })
+
+-- For bash: sed $VAR to ${VAR}, essentially
+vim.api.nvim_create_user_command('ExpandVars', function()
+  vim.cmd [[silent! %s/\$\([A-Za-z_][A-Za-z0-9_]*\)/\${\1}/g]]
+end, { desc = 'Expand all bash vars' })
+
+-- vim: ts=2 sts=2 sw=2 et