(nvim) Define utility function switch_to_hangeul

private_dot_config/nvim/lua/utilities/note_taking.lua

@@ -0,0 +1,45 @@
+local M = {}
+
+local function generate_command(line, language)
+  local inko_option = ''
+
+  if language == 'korean' then
+    inko_option = 'en2ko'
+  end
+
+  local sanitized_line = ''
+  local last_pos = #line
+  if line:sub(last_pos, last_pos) == "\n" then
+    sanitized_line = line:sub(1, last_pos - 1)
+  else
+    sanitized_line = line
+  end
+
+  local command = "python -c \""
+  command = command .. "from inko import Inko;"
+  command = command .. "converter = Inko();"
+  command = command .. "print(converter." .. inko_option .. "('" .. sanitized_line .. "'), end='')"
+  command = command .. "\""
+
+  return command
+end
+
+function M.switch_to_hangeul()
+  local buffer = vim.api.nvim_get_current_buf()
+  local lines = vim.api.nvim_buf_get_lines(buffer, 0, -1, false)
+
+  local start_line = vim.fn.line("'<")
+  local end_line = vim.fn.line("'>")
+
+  for line = start_line, end_line do
+    local command = generate_command(lines[line], "korean")
+    local handle = io.popen(command)
+    local result = handle:read("a*")
+    handle:close()
+    if #lines[line] >= 1 then
+      vim.api.nvim_buf_set_text(0, line - 1, 0, line - 1, #lines[line], {result})
+    end
+  end
+end
+
+return M