mirror of
https://github.com/d0zingcat/rime_wanxiang.git
synced 2026-05-13 15:10:03 +00:00
280 lines
8.5 KiB
Lua
280 lines
8.5 KiB
Lua
-- 万象家族lua,超级提示,表情\化学式\方程式\简码等等直接上屏,不占用候选位置
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-- 采用leveldb数据库,支持大数据遍历,支持多种类型混合,多种拼音编码混合,维护简单
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-- 支持候选匹配和编码匹配两种,候选支持方向键高亮遍历
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-- https://github.com/amzxyz/rime_wanxiang
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-- - lua_processor@*super_tips
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-- key_binder/tips_key: "slash" # 上屏按键配置
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-- tips/disabled_types: [] # 禁用的 tips 类型
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local wanxiang = require("wanxiang")
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local bit = require("lib/bit")
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local userdb = require("lib/userdb")
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local tips_db = userdb.LevelDb("lua/tips")
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-- 获取文件内容哈希值,使用 FNV-1a 哈希算法
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local function calculate_file_hash(filepath)
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local file = io.open(filepath, "rb")
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if not file then return nil end
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-- FNV-1a 哈希参数(32位)
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local FNV_OFFSET_BASIS = 0x811C9DC5
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local FNV_PRIME = 0x01000193
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local hash = FNV_OFFSET_BASIS
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while true do
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local chunk = file:read(4096)
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if not chunk then break end
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for i = 1, #chunk do
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local byte = string.byte(chunk, i)
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hash = bit.bxor(hash, byte)
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hash = (hash * FNV_PRIME) % 0x100000000
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hash = bit.band(hash, 0xFFFFFFFF)
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end
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end
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file:close()
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return string.format("%08x", hash)
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end
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local tips = {}
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---@type "pending" | "initialing" | "done"
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tips.status = "pending"
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---@type table<string, boolean>
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tips.disabled_types = {}
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tips.preset_file_path = wanxiang.get_filename_with_fallback("lua/tips/tips_show.txt")
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tips.user_override_path = rime_api.get_user_data_dir() .. "/lua/tips/tips_user.txt"
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local META_KEY = {
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version = "wanxiang_version",
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user_file_hash = "user_tips_file_hash",
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disabled_types = "disabled_types",
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}
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---@param tip string
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function tips.is_disabled(tip)
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local type = tip:match("^(..-):")
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or tip:match("^(..-):")
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if not type then return false end
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return tips.disabled_types[type] == true
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end
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function tips.init_db_from_file(path)
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local file = io.open(path, "r")
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if not file then return end
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for line in file:lines() do
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local value, key = line:match("([^\t]+)\t([^\t]+)")
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if key and value
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and not tips.is_disabled(value)
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then
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tips_db:update(key, value)
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end
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end
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file:close()
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end
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function tips.ensure_dir_exist(dir)
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-- 获取系统路径分隔符
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local sep = package.config:sub(1, 1)
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dir = dir:gsub([["]], [[\"]]) -- 处理双引号
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if sep == "/" then
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local cmd = 'mkdir -p "' .. dir .. '" 2>/dev/null'
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os.execute(cmd)
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end
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end
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---@param config Config
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function tips.init(config)
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if tips.status ~= "pending" then return end
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local dist = rime_api.get_distribution_code_name() or ""
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local user_lua_dir = rime_api.get_user_data_dir() .. "/lua"
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if dist ~= "hamster" and dist ~= "hamster3" and dist ~= "Weasel" then
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tips.ensure_dir_exist(user_lua_dir)
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tips.ensure_dir_exist(user_lua_dir .. "/tips")
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end
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-- 读取配置
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local disabled_types_list = config:get_list("tips/disabled_types")
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if disabled_types_list then
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for i = 1, disabled_types_list.size do
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local item = disabled_types_list:get_value_at(i - 1)
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if item and #item.value > 0 then
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tips.disabled_types[item.value] = true
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end
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end
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end
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-- 检查是否需要重建数据库
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tips_db:open()
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local needs_rebuild = false
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-- 检查 1: 万象版本号
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if tips_db:meta_fetch(META_KEY.version) ~= wanxiang.version then
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needs_rebuild = true
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end
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-- 检查 2: 用户文件哈希 (仅在版本号相同时检查)
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local user_file_hash = calculate_file_hash(tips.user_override_path) or ""
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if not needs_rebuild
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and (tips_db:meta_fetch(META_KEY.user_file_hash) or "") ~= user_file_hash
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then
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needs_rebuild = true
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end
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-- 检查 3: 禁用类型 (仅在前两者都相同时检查)
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local disabled_keys = {}
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for k, _ in pairs(tips.disabled_types) do
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table.insert(disabled_keys, k)
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end
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table.sort(disabled_keys) -- 排序以确保顺序一致
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local disabled_types_str = table.concat(disabled_keys, ",")
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if not needs_rebuild
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and (tips_db:meta_fetch(META_KEY.disabled_types) or "") ~= disabled_types_str
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then
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needs_rebuild = true
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end
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-- 如果需要,则执行重建
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if needs_rebuild then
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tips_db:empty()
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tips.init_db_from_file(tips.preset_file_path)
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tips.init_db_from_file(tips.user_override_path)
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-- 重建成功后,再更新所有元数据,确保操作的原子性
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tips_db:meta_update(META_KEY.version, wanxiang.version)
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tips_db:meta_update(META_KEY.user_file_hash, user_file_hash)
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tips_db:meta_update(META_KEY.disabled_types, disabled_types_str)
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end
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-- 关闭并以只读模式重新打开
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tips_db:close()
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tips_db:open_read_only()
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end
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---从数据库中查询 tips
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---@param keys string | string[] 接受一个字符串或一个字符串数组作为键,使用数组时会挨个查询,直到获得有效值
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---@return string | nil
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function tips.get_tip(keys)
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-- 输入归一化:如果输入是 string,将其包装成单元素的 table
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if type(keys) == 'string' then
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keys = { keys }
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end
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for _, key in ipairs(keys) do
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if key and key ~= "" then
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local tip = tips_db:fetch(key)
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if tip and #tip > 0 then
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return tip
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end
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end
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end
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return nil
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end
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---@class Env
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---@field current_tip string | nil 当前 tips 值
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---@field last_prompt string 最后一次设置的 prompt 值
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---@field tips_update_connection Connection
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---tips prompt 处理
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---@param context Context
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---@param env Env
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local function update_tips_prompt(context, env)
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env.current_tip = nil
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local is_tips_enabled = context:get_option("super_tips")
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if not is_tips_enabled then return end
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local segment = context.composition:back()
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if not segment then return end
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local cand = context:get_selected_candidate() or {}
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if segment.selected_index == 0 then
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env.current_tip = tips.get_tip({ context.input, cand.text })
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else
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env.current_tip = tips.get_tip(cand.text)
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end
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if env.current_tip ~= nil and env.current_tip ~= "" then
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-- 有 tips 则直接设置 prompt
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segment.prompt = "〔" .. env.current_tip .. "〕"
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env.last_prompt = segment.prompt
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elseif segment.prompt ~= "" and env.last_prompt == segment.prompt then
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-- 没有 tips,且当前 prompt 不为空,且是由 super_tips 设置的,则重置
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segment.prompt = ""
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env.last_prompt = segment.prompt
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end
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end
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local P = {}
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-- Processor:按键触发上屏 (S)
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---@param env Env
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function P.init(env)
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local config = env.engine.schema.config
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tips.init(config)
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P.tips_key = config:get_string("key_binder/tips_key")
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-- 注册 tips 查找监听器
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local context = env.engine.context
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env.tips_update_connection = context.update_notifier:connect(
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function(context)
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update_tips_prompt(context, env)
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end
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)
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end
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function P.fini(env)
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-- 清理连接
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if env.tips_update_connection then
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env.tips_update_connection:disconnect()
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env.tips_update_connection = nil
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end
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end
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---@param key KeyEvent
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---@param env Env
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---@return ProcessResult
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function P.func(key, env)
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local context = env.engine.context
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local is_tips_enabled = context:get_option("super_tips")
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if not is_tips_enabled then
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return wanxiang.RIME_PROCESS_RESULTS.kNoop
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end
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-- 以下处理 tips 上屏逻辑
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if not P.tips_key -- 未设置上屏键
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or P.tips_key ~= key:repr() -- 或者当前按下的不是上屏键
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or wanxiang.is_function_mode_active(context) -- 或者是功能模式不用上屏
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or not env.current_tip or env.current_tip == "" -- 或匹配的 tips 为空/空字符串
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then
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return wanxiang.RIME_PROCESS_RESULTS.kNoop
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end
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---@type string 从 tips 内容中获取上屏文本
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local commit_txt = env.current_tip:match(":%s*(.*)%s*") -- 优先匹配常规的全角冒号
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or env.current_tip:match(":%s*(.*)%s*") -- 没有匹配则回落到半角冒号
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if commit_txt and #commit_txt > 0 then
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env.engine:commit_text(commit_txt)
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context:clear()
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return wanxiang.RIME_PROCESS_RESULTS.kAccepted
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end
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return wanxiang.RIME_PROCESS_RESULTS.kNoop
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end
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return P
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