From 9f3802690f9dd9452e96d1d7a879291978d66e35 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Thu, 6 May 2021 14:13:28 -0400
Subject: Refactoring

---
 src/utils.cc | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'src/utils.cc')

diff --git a/src/utils.cc b/src/utils.cc
index 54fa38e..6f25c46 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -10,7 +10,9 @@
 #include <map>
 #include <algorithm>
 
-nlohmann::json utils::loadJson(const std::string& path) {
+namespace fs = std::filesystem;
+
+nlohmann::json utils::loadJson(const fs::path& path) {
     std::ifstream f(path);
     nlohmann::json j;
     f >> j;
@@ -35,7 +37,15 @@ nlohmann::json utils::findByName(const std::string& name) {
     throw std::invalid_argument("Could not find data matching: " + name);
 }
 
-void utils::saveJson(const nlohmann::json& data, const std::string& path) {
+int utils::parseInt(const std::string& s) {
+    try {
+        return std::stoi(s);
+    } catch(std::exception& e) {
+        throw std::runtime_error("An integer was expected but " + s + " was given");
+    }
+}
+
+void utils::saveJson(const nlohmann::json& data, const fs::path& path) {
     std::ofstream f(path);
     f << std::setw(4) << data << std::endl;
 }
@@ -47,7 +57,7 @@ std::vector<nlohmann::json> utils::loadAllJson(const std::string& directory) {
         return cache[directory];
     }
     std::vector<nlohmann::json> ret;
-    for(auto path : std::filesystem::recursive_directory_iterator(directory)) {
+    for(auto path : fs::recursive_directory_iterator(directory)) {
         if(path.path().extension() == ".json") {
             ret.push_back(utils::loadJson(path.path()));
         }
-- 
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