From 1210de188c8ee5bbaf8c16b43a8a7a1ffaa4a18a Mon Sep 17 00:00:00 2001
From: vaxerski <vaxry@vaxry.net>
Date: Sun, 31 Dec 2023 01:59:37 +0100
Subject: [PATCH] configOptions: add allowMissingConfig

---
 include/hyprlang.hpp |  6 ++++++
 src/config.cpp       | 17 ++++++++++++++---
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/include/hyprlang.hpp b/include/hyprlang.hpp
index 8dd7c4c..e9be3f0 100644
--- a/include/hyprlang.hpp
+++ b/include/hyprlang.hpp
@@ -69,6 +69,12 @@ namespace Hyprlang {
             Return all errors instead of just the first
         */
         bool throwAllErrors = false;
+
+        /*!
+            @since 0.2.0
+            Don't throw on a missing config file. Carry on as if nothing happened.
+        */
+        bool allowMissingConfig = false;
     };
 
     /*!
diff --git a/src/config.cpp b/src/config.cpp
index 4665ac2..bada693 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -32,10 +32,17 @@ CConfig::CConfig(const char* path, const Hyprlang::SConfigOptions& options) {
     impl = new CConfigImpl;
     try {
         impl->path = std::filesystem::canonical(path);
-    } catch (std::exception& e) { throw "Couldn't open file. File does not exist"; }
+    } catch (std::exception& e) {
+        if (!options.allowMissingConfig)
+            throw "Couldn't open file. File does not exist";
+    }
 
-    if (!std::filesystem::exists(impl->path))
-        throw "File does not exist";
+    if (!std::filesystem::exists(impl->path)) {
+        if (!options.allowMissingConfig)
+            throw "File does not exist";
+
+        impl->path = "";
+    }
 
     impl->envVariables.clear();
     for (char** env = environ; *env; ++env) {
@@ -496,6 +503,10 @@ CParseResult CConfig::parse() {
         applyDefaultsToCat(*sc);
     }
 
+    // implies options.allowMissingConfig
+    if (impl->path.empty())
+        return CParseResult{};
+
     CParseResult fileParseResult = parseFile(impl->path);
 
     return fileParseResult;