From 19ed994dc30ed84ea7cbbb5152577669fc25caf6 Mon Sep 17 00:00:00 2001
From: "Boris I. Bendovsky" <bibendovsky@hotmail.com>
Date: Sun, 30 Jan 2022 14:47:32 +0200
Subject: Add EAX extensions (EAX 2.0-5.0, X-RAM) (#632)

* Add EAX extensions (EAX 2.0-5.0, X-RAM)

* Comment out C++17 leftovers

* Remove everything related to patching

* Update alsoftrc.sample

* Rewrite integration

* Fix GCC compilation under Linux

* Always reset EAX effect properties when loading it into FX slot
---
 al/eax_exception.cpp | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 al/eax_exception.cpp

(limited to 'al/eax_exception.cpp')

diff --git a/al/eax_exception.cpp b/al/eax_exception.cpp
new file mode 100644
index 00000000..e3635793
--- /dev/null
+++ b/al/eax_exception.cpp
@@ -0,0 +1,61 @@
+#include "eax_exception.h"
+
+#include <cassert>
+
+#include <string>
+
+
+EaxException::EaxException(
+    const char* context,
+    const char* message)
+    :
+    std::runtime_error{make_message(context, message)}
+{
+}
+
+std::string EaxException::make_message(
+    const char* context,
+    const char* message)
+{
+    const auto context_size = (context ? std::string::traits_type::length(context) : 0);
+    const auto has_contex = (context_size > 0);
+
+    const auto message_size = (message ? std::string::traits_type::length(message) : 0);
+    const auto has_message = (message_size > 0);
+
+    if (!has_contex && !has_message)
+    {
+        return std::string{};
+    }
+
+    constexpr auto left_prefix = "[";
+    const auto left_prefix_size = std::string::traits_type::length(left_prefix);
+
+    constexpr auto right_prefix = "] ";
+    const auto right_prefix_size = std::string::traits_type::length(right_prefix);
+
+    const auto what_size =
+        (
+            has_contex ?
+            left_prefix_size + context_size + right_prefix_size :
+            0) +
+        message_size +
+        1;
+
+    auto what = std::string{};
+    what.reserve(what_size);
+
+    if (has_contex)
+    {
+        what.append(left_prefix, left_prefix_size);
+        what.append(context, context_size);
+        what.append(right_prefix, right_prefix_size);
+    }
+
+    if (has_message)
+    {
+        what.append(message, message_size);
+    }
+
+    return what;
+}
-- 
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