From 8295c5ddf9c06ef848dbaf9a03e03ae9da9f66d6 Mon Sep 17 00:00:00 2001
From: etenie <contact@etenie.net>
Date: Wed, 16 Oct 2024 14:02:16 +0200
Subject: [PATCH] regex experimentations

---
 .gitignore     |  5 +++--
 CMakeLists.txt | 21 ++++++++++++++++++---
 src/main.cpp   | 24 ++++++++++++++++++------
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/.gitignore b/.gitignore
index 436c580..c2772e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 cmake-build*
-
-.idea
\ No newline at end of file
+build
+.cache
+.idea
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2881d3e..fa87c65 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,13 +2,28 @@ cmake_minimum_required(VERSION 3.30)
 project(nutri)
 
 set(CMAKE_CXX_STANDARD 26)
+set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
 
-find_package(fmt REQUIRED)
-find_package(cpr REQUIRED)
 find_package(nlohmann_json REQUIRED)
 
 include_directories(${CMAKE_SOURCE_DIR}/external/ctre/include)
-add_subdirectory(external/ctre/)
+
+include(FetchContent)
+
+FetchContent_Declare(
+  ctre
+  GIT_REPOSITORY https://github.com/hanickadot/compile-time-regular-expressions.git 
+  GIT_TAG v3.9.0
+  GIT_SHALLOW TRUE
+)
+FetchContent_Declare(
+  cpr
+  GIT_REPOSITORY https://github.com/libcpr/cpr.git 
+  GIT_TAG 1.11.0
+  GIT_SHALLOW TRUE
+)
+
+FetchContent_MakeAvailable(ctre cpr)
 
 add_executable(
         nutri
diff --git a/src/main.cpp b/src/main.cpp
index 0467843..3a57645 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,8 +1,18 @@
 #include "ArgParser.hpp"
 #include "Helpers/WolframAlpha.hpp"
+#include <ctre.hpp>
 #include <iostream>
 #include <nlohmann/json.hpp>
 #include <print>
+#include <string_view>
+
+void getVal(std::string_view sv) {
+  auto        m = ctre::search<"(?<=protein\\s)(\\d+)\\s*(\\w+)">(sv);
+  double      d = m.get<1>().to_number();
+  std::string u = m.get<2>().to_string();
+
+  std::println("1: {}\n2: {}", d, u);
+}
 
 int main(const int argc, char* argv[]) {
   try {
@@ -13,13 +23,15 @@ int main(const int argc, char* argv[]) {
     args.addArg("-h", "--help", "Print help", false);
     args.parse(argc, argv);
 
-    const auto   food   = args.get<std::string>("--food");
-    const double amount = args.get<double>("--amount") / 100;
+    // const auto   food   = args.get<std::string>("--food");
+    // const double amount = args.get<double>("--amount") / 100;
+
+    // if (!args.has("--source") || args.get<std::string>("--source") == "Wolfram") {
+    //   WolframAlpha wa(food, amount);
+    //   std::println("Calories: {:.2f} kcal\nProtein: {:.2f} g\nCarbs: {:.2f} g\nFat: {:.2f} g", wa.getCalories(), wa.getProtein(), wa.getCarbs(), wa.getFat());
+    // }
+    getVal("carbs 14 g | protein 20 mg | fat 11 g");
 
-    if (!args.has("--source") || args.get<std::string>("--source") == "Wolfram") {
-      WolframAlpha wa(food, amount);
-      std::println("Calories: {:.2f} kcal\nProtein: {:.2f} g\nCarbs: {:.2f} g\nFat: {:.2f} g", wa.getCalories(), wa.getProtein(), wa.getCarbs(), wa.getFat());
-    }
   } catch (const std::exception& e) {
     std::println(stderr, "Error: {}", e.what());
     return 1;