fix: fix format and process function behaviours

lua/Trans/component/offline/Definition.lua

@@ -1,6 +1,6 @@
 local M = {}
 
-M.to_content = function (field)
+M.component = function (field)
     -- TODO 
 end
 

lua/Trans/component/offline/Exchange.lua

@@ -1,6 +1,6 @@
 local M = {}
 
-M.to_content = function (field)
+M.component = function (field)
     -- TODO 
 end
 

lua/Trans/component/offline/Pos.lua

@@ -1,6 +1,6 @@
 local M = {}
 
-M.to_content = function (field)
+M.component = function (field)
     -- TODO 
 end
 

lua/Trans/component/offline/Tag.lua

@@ -1,7 +1,47 @@
 local M = {}
 
-M.to_content = function (field)
-    -- TODO 
+local tag_map = {
+    zk = '中考',
+    gk = '高考',
+    ky = '考研',
+    cet4 = '四级',
+    cet6 = '六级',
+    ielts = '雅思',
+    toefl = '托福',
+    gre = 'GRE',
+}
+
+---从查询结果中获取字符串
+---@param field table 查询的结果
+---@return component? component 提取的组件信息[包含多个组件]
+M.component = function(field)
+    -- TODO
+    if field.tag and field.tag ~= '' then
+        local ref = {
+            { '标签:', 'TransRef' },
+        }
+
+        local tags = {
+            needformat = true,
+            highlight = 'TransTag',
+            indent = 4,
+        }
+
+        for _tag in vim.gsplit(field.tag, ' ', true) do
+            if _tag ~= '' then
+                local tag = tag_map[_tag]
+
+                if tag then
+                    table.insert(tags, tag)
+                else
+                    error('add tag_map for [' .. _tag .. ']')
+                end
+            end
+        end
+
+        return { ref, tags }
+    end
 end
 
+
 return M

lua/Trans/component/offline/Title.lua

@@ -25,13 +25,13 @@ local icon = require("Trans.conf.loader").loaded_conf.ui.icon
 --     -- { phonetic, 'TransPhonetic' },
 -- }
 
----@alias stuff
----| 'data'       # 所有组件的信息
+
+---@alias items
+---| 'string[]'       # 所有组件的信息
+---| 'needformat?'# 是否需要格式化
 ---| 'highlight?' # 整个组件的高亮
 ---| 'indent?'    # 每行整体的缩进
----| 'interval?'  # 每个组件的间隔
----@alias component stuff[]
-
+---@alias component items[]
 ---从查询结果中获取字符串
 ---@param field table 查询的结果
 ---@return component component 提取的组件信息[包含多个组件]
@@ -41,7 +41,7 @@ M.component = function(field)
         { field.word, 'TransWord' },
     }
 
-    if display.phnoetic and field.phonetic ~= '' then
+    if display.phnoetic and field.phonetic and field.phonetic ~= '' then
         table.insert(
             data,
             { '[' .. field.phonetic .. ']', 'TransPhonetic' }

lua/Trans/component/offline/Translation.lua

@@ -1,6 +1,6 @@
 local M = {}
 
-M.to_content = function (field)
+M.component = function (field)
     -- TODO 
 end