From 92b3c2dcff3e85ad3d455f6ab845d9a97d3b525b Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Mon, 7 Dec 2020 12:22:15 +0200
Subject: Rewrite meson build scripts into cmakelists

---
 src/autogen/settings.h.in | 70 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 src/autogen/settings.h.in

(limited to 'src/autogen/settings.h.in')

diff --git a/src/autogen/settings.h.in b/src/autogen/settings.h.in
new file mode 100644
index 0000000..51b2bd0
--- /dev/null
+++ b/src/autogen/settings.h.in
@@ -0,0 +1,70 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://neueland.iserlohn-fortress.net/cgit/smolbote
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#pragma once
+
+#include <configuration.h>
+#include <fstream>
+#include <cstdlib>
+#include <filesystem>
+#include <array>
+#include <spdlog/spdlog.h>
+
+inline auto init_conf(const std::string &path)
+{
+    namespace fs = std::filesystem;
+    struct {
+        std::optional<fs::path> path;
+        std::unique_ptr<Configuration> ptr;
+    } conf;
+
+    conf.ptr = std::make_unique<Configuration, std::initializer_list<std::pair<std::string, conf_value_t>>>({
+        @__DEFAULT_CFG__
+    });
+
+    conf.path = [&]() -> std::optional<fs::path> {
+        if(!path.empty()) {
+            return fs::path(path);
+        }
+
+        // 1000: invalid; 0: $HOME; 1: $XDG_CONFIG_HOME
+        std::array<std::optional<fs::path>, 2> home = { std::nullopt, std::nullopt };
+        if(const char* usr = std::getenv("HOME"))
+            home[0] = fs::path(usr);
+        if(const char* xdg = std::getenv("XDG_CONFIG_HOME"))
+            home[1] = fs::path(xdg);
+
+        for(const auto &pair : {
+                @__CONFIG_PATHS__
+            }) {
+            if(pair.first < 0) {
+                auto p = fs::path(pair.second);
+                spdlog::debug("Trying {}", p.c_str());
+                if(fs::exists(p))
+                    return p;
+            } else if(home[static_cast<std::size_t>(pair.first)]) {
+                auto p = home[static_cast<std::size_t>(pair.first)].value() / pair.second;
+                spdlog::debug("Trying {}", p.c_str());
+                if(fs::exists(p))
+                    return p;
+            }
+        }
+
+        return std::nullopt;
+
+    }();
+
+    if(conf.path) {
+        std::fstream file(conf.path.value(), std::fstream::in);
+        if(file.is_open()) {
+            conf.ptr->read(file);
+            file.close();
+        }
+    }
+    return conf;
+}
-- 
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