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| Original file line number | Diff line number | Diff line change |
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| # CQ 码 | ||
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| CQ 码的使用方式和原生的酷 Q 相同，在要发送的消息中插入相应的代码即可，例如： | ||
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| ``` | ||
| [CQ:face,id=14] [CQ:image,file=1.jpg] | ||
| ``` | ||
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| 使用方式和原生 CQ 码（关于原生 CQ 码的使用，请看 [Pro/CQ码](https://d.cqp.me/Pro/CQ%E7%A0%81)）完全相同意味着需要在某些情况下对字符进行转义，由于很多时候我们不需要使用 CQ 码，只需要发送文字消息就行了，这种情况下可以在请求 API 时加入 `is_raw` 参数，这将会自动对整个消息的特殊字符进行转义，具体请看 [API 描述](https://richardchien.github.io/coolq-http-api/#/API)。 | ||
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| 除了原生的 CQ 码，CoolQ HTTP API 还提供了一些实用的增强功能，后面称之为「增强 CQ 码」。 | ||
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| ## 增强功能列表 | ||
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| 目前只有一个增强功能。 | ||
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| ### 发送网络图片 | ||
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| 酷 Q 原生的 CQ 码只能发送 `data\image` 文件夹里的图片，增强 CQ 码支持设置 `file` 为图片链接，内部会首先把图片下载到 `data\image` 文件夹，然后把 `file` 替换成下载好的本地文件。例如： | ||
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| ``` | ||
| [CQ:image,file=http://i1.piimg.com/567571/fdd6e7b6d93f1ef0.jpg] | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| #include "cqcode.h" | ||
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| #include <regex> | ||
| #include <curl/curl.h> | ||
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| #include "md5.h" | ||
| #include "misc_functions.h" | ||
| #include <event2/event.h> | ||
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| using namespace std; | ||
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| string message_escape(const string& msg) | ||
| { | ||
| string tmp = msg; | ||
| string_replace(tmp, "&", "&"); | ||
| string_replace(tmp, "[", "["); | ||
| string_replace(tmp, "]", "]"); | ||
| string_replace(tmp, ",", ","); | ||
| return tmp; | ||
| } | ||
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| string message_unescape(const string& msg) | ||
| { | ||
| string tmp = msg; | ||
| string_replace(tmp, "[", "["); | ||
| string_replace(tmp, "]", "]"); | ||
| string_replace(tmp, ",", ","); | ||
| string_replace(tmp, "&", "&"); | ||
| return tmp; | ||
| } | ||
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| string enhance_cq_code_function_image(smatch& match); | ||
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| string enhance_cq_code(const string& msg) | ||
| { | ||
| string result; | ||
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| // 0: full CQ code function message, 1: function name, 2: params string | ||
| regex exp("\\[CQ:([\\._\\-0-9A-Za-z]+?)(?:\\s*\\]|\\s*,\\s*(.*?)\\])"); | ||
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| smatch match; | ||
| string::const_iterator search_iter(msg.cbegin()); | ||
| while (regex_search(search_iter, msg.cend(), match, exp)) | ||
| { | ||
| result += string(search_iter, search_iter + match.position()); // normal message before this current CQ code | ||
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| string function = match.str(1); | ||
| if (function == "image") | ||
| result += enhance_cq_code_function_image(match); | ||
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| search_iter += match.position() + match.length(); | ||
| } | ||
| return result; | ||
| } | ||
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| string enhance_cq_code_function_image(smatch& match) | ||
| { | ||
| // enhance image function to support file from the internet | ||
| string cqcode_call = match.str(0); // full CQ code function message | ||
| string params = match.str(2); | ||
| smatch m; | ||
| if (regex_search(params, m, regex("file=(https?:\\/\\/[^,\\?]+(\\.[^\\s,\\?]+)\\??[^,\\?]*)"))) | ||
| { | ||
| string raw_url = m.str(1); | ||
| string url = message_unescape(raw_url); | ||
| string ext = m.str(2); | ||
| MD5 md5(url); | ||
| string hash = md5.toStr(); | ||
| string filename = hash + ext; | ||
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| string filepath = get_cq_root_path() + "data\\image\\" + filename; | ||
| FILE* fp = NULL; | ||
| fopen_s(&fp, filepath.c_str(), "wb"); | ||
| if (fp) | ||
| { | ||
| CURL* curl = curl_easy_init(); | ||
| curl_easy_setopt(curl, CURLOPT_URL, url); | ||
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| curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_write_file_callback); | ||
| curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp); | ||
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| struct curl_slist* chunk = NULL; | ||
| chunk = curl_slist_append(chunk, | ||
| "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) " | ||
| "AppleWebKit/537.36 (KHTML, like Gecko) " | ||
| "Chrome/56.0.2924.87 Safari/537.36"); | ||
| curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk); | ||
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| curl_easy_perform(curl); // download image file | ||
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| fclose(fp); | ||
| curl_easy_cleanup(curl); | ||
| curl_slist_free_all(chunk); | ||
| } | ||
| string_replace(cqcode_call, raw_url, filename); | ||
| } | ||
| return cqcode_call; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #pragma once | ||
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| #include <string> | ||
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| std::string message_escape(const std::string& msg); | ||
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| std::string message_unescape(const std::string& msg); | ||
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| std::string enhance_cq_code(const std::string& msg); |
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