From ca8021e935830051cdd03eef5b54eb9da0e31f65 Mon Sep 17 00:00:00 2001
From: Magician11 <magician_code@outlook.com>
Date: Thu, 31 Oct 2024 17:11:48 +0800
Subject: [PATCH] create cloud_pinyin.lua

---
 lua/cloud_pinyin.lua | 115 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 lua/cloud_pinyin.lua

diff --git a/lua/cloud_pinyin.lua b/lua/cloud_pinyin.lua
new file mode 100644
index 0000000..509bab7
--- /dev/null
+++ b/lua/cloud_pinyin.lua
@@ -0,0 +1,115 @@
+-- Created by Magician on 2024-10-29 
+-- Credit to hchunhui for the initial approach: https://github.com/hchunhui/librime-cloud/
+-- Added functionality to save the commit entry to the user dictionary, and switch control.
+
+local json = require("json")
+local http = require("simplehttp")
+http.TIMEOUT = 0.5
+
+local custom_code = nil 
+local save_switch = nil 
+
+local function log_error(info)
+	local log_enable = false -- true false
+	if log_enable then 
+		log.error(info)
+	end
+end
+
+local function make_url(input, bg, ed)
+	return 'https://olime.baidu.com/py?input=' .. input ..
+	'&inputtype=py&bg='.. bg .. '&ed='.. ed ..
+	'&result=hanzi&resultcoding=utf-8&ch_en=0&clientinfo=web&version=1'
+end
+
+local function update_dict(env, ctx)
+	log_error("function update dict! ")
+	-- Memory(engine, schema, name_space)
+	env.mem = Memory(env.engine, env.engine.schema, 'translator') -- get dictionary name under name_space for language
+	local commit_record = ctx.commit_history:back()
+	log_error("commit_record.type: "..tostring(commit_record.type)) -- if get type:'uniquified', means already saved. uniquified by filter component - uniquifier
+	log_error("commit_record.text: "..tostring(commit_record.text))
+	log_error("custom_code: "..tostring(custom_code))
+	-- construct a commit entry
+	if commit_record.type == "cloud" then  
+		local dict_entry = DictEntry()
+		dict_entry.text = commit_record.text
+		dict_entry.custom_code = custom_code..' ' -- a space character for constructing user dict key: e.g. Key: 'zhao meng fu \t赵孟頫'
+		local result = env.mem:update_userdict(dict_entry, 1, '') 
+		--local result = env.mem:update_entry(env.dict_entry, 1, '', env.mem.lang_name)
+		log_error("update dict result: "..tostring(result))
+	else 
+		log_error("no cloud entry to update!")
+	end
+	log_error("function update dict! end ")
+end
+
+-- set up commit_notifier in initialization
+local function init(env)
+	local ctx = env.engine.context
+    ctx.commit_notifier:connect(function()
+        log_error("commit notifier detected! ")
+        --log_error("env.name_space: "..tostring(env.name_space))
+		if custom_code ~= nil and save_switch == true 
+		then 
+			update_dict(env, ctx)
+			custom_code = nil
+			save_switch = nil 
+		end
+	end)
+end
+
+local function translator(input, seg, env)
+	local cloud_switcher = env.engine.context:get_option("cloud_pinyin") -- check switch state
+	if cloud_switcher == true then 
+		log_error("baidu cloud pinyin translator: "..input)
+		env.engine.context.composition:back().prompt = "    Baidu☁️  按 ' 写入用户词典✍️📙" -- tips , you can comment out this line later
+		local comment = " Baidu☁️"  -- " Baidu☁️" or " 写入词典✍️📙"
+		
+		-- Save Control 
+		local save_sign = '\''
+		if input:sub(-1,-1) == save_sign then 
+			comment  = " 写入词典✍️📙"
+			save_switch = true 
+			input = input:sub(1,-2)
+			log_error("save mode - input new: "..input)
+		end 
+		
+		local url = make_url(input, 0, 5)
+		local reply = http.request(url)
+		log_error("return url: "..tostring(url))
+		local _, j = pcall(json.decode, reply)
+		if j.status == "T" and j.result and j.result[1] then
+			for i, v in ipairs(j.result[1]) do
+				local c = Candidate("cloud", seg.start, seg._end, v[1], comment) 
+				c.quality = 3
+				if string.gsub(v[3].pinyin, "'", "") == string.sub(input, 1, v[2]) then
+					c.preedit = string.gsub(v[3].pinyin, "'", " ")
+				end
+			yield(c) -- candidate will not be saved to user dictionary on commit
+
+			custom_code = c.preedit -- keep complete code while saving, it will be saved to user dict later
+			end
+		end
+	end 
+end
+
+return { init = init, func = translator }
+
+
+
+--[[
+
+switches:
+  - name: cloud_pinyin
+    states: [ 🌈️, ☁️ ]
+engine:
+  translators:
+    - lua_translator@*cloud_pinyin                     # Baidu Cloud Pinyin
+__patch:
+  key_binder/bindings/+:
+    - { when: always, accept: Control+semicolon, toggle: cloud_pinyin }  # switch shortcut key
+speller: 
+  delimiter: " '" 
+
+--]]
\ No newline at end of file