From 74b83920ed63454bf8dd2cd5efed12888096f24a Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Fri, 16 Jul 2021 20:29:32 +0200
Subject: Added filename argument to CLI

---
 markdown.cpp | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

(limited to 'markdown.cpp')

diff --git a/markdown.cpp b/markdown.cpp
index a7c1312..e61601d 100644
--- a/markdown.cpp
+++ b/markdown.cpp
@@ -1,5 +1,9 @@
 #include <stdio.h>
 
+#include <fstream>
+#include <iterator>
+#include <string>
+
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 
@@ -51,8 +55,11 @@ static void resized(GLFWwindow *, int width, int height)
 	g_window_size.y = static_cast<float>(height);
 }
 
-int main(int, char **)
+int main(int argc, char ** argv)
 {
+	if (2 != argc)
+		return 1;
+
 	glfwSetErrorCallback(glfw_error_callback);
 	if (!glfwInit())
 		return 1;
@@ -84,6 +91,11 @@ int main(int, char **)
 	ImGui_ImplGlfw_InitForOpenGL(window, true);
 	ImGui_ImplOpenGL3_Init(glsl_version);
 
+	std::ifstream in;
+	in.open(argv[1]);
+	std::string text(std::istreambuf_iterator<char>(in), {});
+	in.close();
+
 	while (!glfwWindowShouldClose(window))
 	{
 		glfwPollEvents();
@@ -98,12 +110,7 @@ int main(int, char **)
 			nullptr,
 			ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBackground | ImGuiWindowFlags_NoSavedSettings
 		);
-		static const char * text =
-			"# Hello world!\n" // 15
-			"Lorem ipsum dolor\n" // 18 33
-			" * sit\n" // 7 40
-			" * amet\n"; // 8 48
-		markdown(text, text + 48);
+		markdown(text.data(), text.data() + text.size());
 		ImGui::End();
 
 		ImGui::Render();
-- 
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