From eb311838538b80fb3280aa9ab5b57abc22925926 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Sat, 9 Nov 2019 21:05:07 +0200
Subject: Add configuration subcommand

--dump: Write current configuration to stdout and exit
---
 lib/configuration/configuration.cpp | 44 ++++++++++++++++++++++++++++---------
 1 file changed, 34 insertions(+), 10 deletions(-)

(limited to 'lib/configuration/configuration.cpp')

diff --git a/lib/configuration/configuration.cpp b/lib/configuration/configuration.cpp
index bd7700c..34e84af 100644
--- a/lib/configuration/configuration.cpp
+++ b/lib/configuration/configuration.cpp
@@ -7,11 +7,11 @@
  */
 
 #include "configuration.h"
-#include <sstream>
+#include <QStandardPaths>
 #include <algorithm>
-#include <stdexcept>
 #include <iostream>
-#include <QStandardPaths>
+#include <sstream>
+#include <stdexcept>
 
 static std::unique_ptr<Configuration> s_conf;
 
@@ -21,7 +21,6 @@ inline void strip(std::string &value)
     value.erase(std::find_if(value.rbegin(), value.rend(), std::bind1st(std::not_equal_to<char>(), ' ')).base(), value.end());
 }
 
-
 Configuration::Configuration()
     : use_global(true)
 {
@@ -32,9 +31,9 @@ Configuration::Configuration()
 Configuration::Configuration(std::initializer_list<std::pair<std::string, conf_value_t>> l) noexcept
     : m_homePath(QStandardPaths::writableLocation(QStandardPaths::HomeLocation).toStdString())
 {
-        for(const auto &i : l) {
-            insert_or_assign(i.first, i.second);
-        }
+    for(const auto &i : l) {
+        insert_or_assign(i.first, i.second);
+    }
 }
 
 void Configuration::read(std::basic_istream<char> &input)
@@ -69,18 +68,16 @@ void Configuration::read(std::basic_istream<char> &input)
             } else if(std::holds_alternative<bool>(v)) {
                 at(key) = (value == "true");
             }
-
         }
     }
 }
 
-
 void Configuration::move_global(std::unique_ptr<Configuration> &&conf)
 {
     s_conf = std::move(conf);
 }
 
-Configuration* Configuration::instance()
+Configuration *Configuration::instance()
 {
     return s_conf.get();
 }
@@ -101,3 +98,30 @@ void setShortcut(QAction *action, const char *name)
     }
 #endif
 }
+
+std::ostream &operator<<(std::ostream &out, const Configuration &obj)
+{
+    // unordered_map is, well, unordered, so grab the keys and sort them before printing them
+    std::vector<std::string> keys;
+
+    if(obj.use_global) {
+        if(!s_conf)
+            throw new std::runtime_error("Trying to use default Configuration, but none has been set!");
+
+        for(const auto &pair : *s_conf)
+            keys.emplace_back(pair.first);
+    } else {
+        for(const auto &pair : obj)
+            out << pair.first << "\n";
+    }
+    std::sort(keys.begin(), keys.end());
+
+    for(const auto &key : keys) {
+        if(obj.use_global)
+            out << key << "=" << s_conf->value<std::string>(key.c_str()).value() << "\n";
+        else
+            out << key << "=" << obj.value<std::string>(key.c_str()).value() << "\n";
+    }
+
+    return out;
+}
-- 
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