From 9f995a129c97cfe95ca06957bd15922d124ff01b Mon Sep 17 00:00:00 2001
From: Syping <syping@syping.de>
Date: Tue, 13 Feb 2024 01:47:09 +0100
Subject: [PATCH] add Boost.Regex support

---
 CMakeLists.txt       | 18 +++++++++++++++++-
 src/regex.h          | 43 +++++++++++++++++++++++++++++++++++++++++++
 src/webhook_push.cpp | 10 +++++-----
 3 files changed, 65 insertions(+), 6 deletions(-)
 create mode 100644 src/regex.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ba6f31..59e34f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,7 @@ set(DTRANSLATEBOT_HEADERS
     src/database_core.h
     src/database_file.h
     src/message_queue.h
+    src/regex.h
     src/settings.h
     src/settings_types.h
     src/slashcommands.h
@@ -49,6 +50,18 @@ set(DTRANSLATEBOT_SOURCES
 # dtranslatebot Module Path
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
+# Boost C++ Libraries
+option(WITH_BOOST "Build with Boost C++ Libraries" OFF)
+if (WITH_BOOST)
+    find_package(Boost COMPONENTS regex)
+    if (Boost_regex_FOUND)
+        list(APPEND DTRANSLATEBOT_LIBRARIES
+            Boost::regex
+        )
+        set(DTRANSLATEBOT_USE_BOOST_REGEX TRUE)
+    endif()
+endif()
+
 # D++ Discord API Library for Bots
 find_package(DPP REQUIRED)
 
@@ -58,10 +71,13 @@ find_package(Threads REQUIRED)
 
 # dtranslatebot Target + Installs
 add_executable(dtranslatebot ${DTRANSLATEBOT_HEADERS} ${DTRANSLATEBOT_SOURCES})
+target_compile_definitions(dtranslatebot PRIVATE
+    $<$<BOOL:${DTRANSLATEBOT_USE_BOOST_REGEX}>:DTRANSLATEBOT_USE_BOOST_REGEX>
+)
 if (MSVC AND MSVC_VERSION GREATER_EQUAL 1914)
     target_compile_options(dtranslatebot PRIVATE $<$<COMPILE_LANGUAGE:CXX>:/Zc:__cplusplus>)
 endif()
-target_link_libraries(dtranslatebot PRIVATE Threads::Threads ${DPP_LIBRARIES})
+target_link_libraries(dtranslatebot PRIVATE Threads::Threads ${DPP_LIBRARIES} ${DTRANSLATEBOT_LIBRARIES})
 target_include_directories(dtranslatebot PRIVATE ${DPP_INCLUDE_DIR})
 set_target_properties(dtranslatebot PROPERTIES
     CXX_STANDARD 17
diff --git a/src/regex.h b/src/regex.h
new file mode 100644
index 0000000..3f2e3db
--- /dev/null
+++ b/src/regex.h
@@ -0,0 +1,43 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2023-2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#ifndef REGEX_H
+#define REGEX_H
+
+#ifdef DTRANSLATEBOT_USE_BOOST_REGEX
+#include <boost/regex.hpp>
+#else
+#include <regex>
+#endif
+#include <string_view>
+
+namespace bot {
+#ifdef DTRANSLATEBOT_USE_BOOST_REGEX
+    using boost::regex;
+    using boost::regex_match;
+    using boost::match_results;
+    typedef boost::match_results<std::string_view::const_iterator> svmatch;
+#else
+    using std::regex;
+    using std::regex_match;
+    using std::match_results;
+    typedef std::match_results<std::string_view::const_iterator> svmatch;
+#endif
+}
+
+#endif // REGEX_H
diff --git a/src/webhook_push.cpp b/src/webhook_push.cpp
index c9f5a81..1e4a0f7 100644
--- a/src/webhook_push.cpp
+++ b/src/webhook_push.cpp
@@ -17,7 +17,7 @@
 *****************************************************************************/
 
 #include <future>
-#include <regex>
+#include "regex.h"
 #include "webhook_push.h"
 using namespace std::string_literals;
 using namespace std::string_view_literals;
@@ -40,16 +40,16 @@ void bot::webhook_push::run(const bot::translated_message &message, dpp::cluster
                 message_v = message_v.substr(1333 + pos);
             }
             else {
-                std::match_results<std::string_view::const_iterator> match;
-                if (std::regex_match(message_eov.begin(), message_eov.end(), match, std::regex("^.*(\\.|\\?|\\!|\\。)\\s.*$"s))) {
+                bot::svmatch match;
+                if (bot::regex_match(message_eov.begin(), message_eov.end(), match, bot::regex("^.*(\\.|\\?|\\!|\\。)\\s.*$"s))) {
                     json_body["content"] = message_v.substr(0, 1334 + match.position(1));
                     message_v = message_v.substr(1334 + match.position(1));
                 }
-                else if (std::regex_match(message_eov.begin(), message_eov.end(), match, std::regex("^.*(\\,)\\s.*$"s))) {
+                else if (bot::regex_match(message_eov.begin(), message_eov.end(), match, bot::regex("^.*(\\,)\\s.*$"s))) {
                     json_body["content"] = message_v.substr(0, 1334 + match.position(1));
                     message_v = message_v.substr(1334 + match.position(1));
                 }
-                else if (std::regex_match(message_eov.begin(), message_eov.end(), match, std::regex("^.*()\\s.*$"s))) {
+                else if (bot::regex_match(message_eov.begin(), message_eov.end(), match, bot::regex("^.*()\\s.*$"s))) {
                     json_body["content"] = message_v.substr(0, 1334 + match.position(1));
                     message_v = message_v.substr(1334 + match.position(1));
                 }