vim

vim/persistence.lua

@@ -0,0 +1,63 @@
+local constants = require("themery.constants")
+local config = require("themery.config")
+local utils = require("themery.utils")
+
+local function saveTheme(theme)
+  local configFilePath = config.getSettings().themeConfigFile
+  local file = io.open(configFilePath , "r")
+
+  if file == nil then
+    print(constants.MSG_ERROR.READ_FILE..": "..configFilePath)
+    return
+  end
+
+  local content = file:read("*all")
+
+  local start_marker = "-- Themery block"
+  local end_marker = "-- end themery block"
+
+  local start_pos, end_pos = content:find(start_marker .. "\n(.+)\n" .. end_marker)
+
+  if not start_pos or not end_pos then
+    print(constants.MSG_ERROR.NO_MARKETS)
+    return
+  end
+
+  local beforeCode = ""
+  local afterCode = ""
+
+  if theme.before then
+    beforeCode = utils.trimStartSpaces(theme.before).."\n"
+  end
+
+  if theme.after then
+    afterCode = "\n"..utils.trimStartSpaces(theme.after)
+  end
+
+  local configToWrite = "-- This block will be replaced by Themery.\n"
+  configToWrite = configToWrite..beforeCode
+  configToWrite = configToWrite.."vim.cmd(\"colorscheme "
+  configToWrite = configToWrite..theme.colorscheme.."\")\n"
+  configToWrite = configToWrite..afterCode
+
+local replaced_content = content:sub(1, start_pos-1)
+    ..start_marker.."\n"
+    ..configToWrite
+    ..end_marker
+    ..content:sub(end_pos+1)
+
+  local outfile = io.open(configFilePath, "w")
+
+  if outfile == nil then
+    print(constants.MSG_ERROR.WRITE_FILE..": "..configFilePath)
+    return
+  end
+
+  outfile:write(replaced_content)
+  outfile:close()
+  print(constants.MSG_INFO.THEME_SAVED)
+end
+
+return {
+  saveTheme = saveTheme,
+}