From c56840f03cf139d60c6d90b55cf16e70f6ae2bc2 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 21 Jun 2015 00:15:04 +0200
Subject: o Going all header file based and single-executable to launch all
 apps. o Ading CMake magic to generate the launcher

---
 apps/generate.cpp | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 apps/generate.cpp

(limited to 'apps/generate.cpp')

diff --git a/apps/generate.cpp b/apps/generate.cpp
new file mode 100644
index 0000000..f0bf0fd
--- /dev/null
+++ b/apps/generate.cpp
@@ -0,0 +1,71 @@
+#include <cstdlib>
+#include <iostream>
+#include <fstream>
+#include <regex>
+
+using namespace std;
+
+int main(int argc, char *argv[]) {
+
+    cout << "Generating " << argv[1] << endl;
+
+    ofstream out;
+
+    out.open(argv[1], ofstream::out);
+
+    if (!out.is_open()) {
+        return EXIT_FAILURE;
+    }
+
+    out << "#pragma once" << endl
+        << "#include <string>" << endl
+        << endl;
+
+    vector<pair<string, string>> apps;
+
+    regex r("-");
+    for (int i = 2; i < argc; i++) {
+        string app_name = argv[i];
+        stringstream buf;
+
+        regex_replace(ostream_iterator<char>(buf),
+                      app_name.begin(), app_name.end(),
+                      r, "_");
+        string class_name = buf.str();
+
+        apps.emplace_back(make_pair(app_name, class_name));
+    }
+
+    for_each(begin(apps), end(apps), [&](pair<string, string> pair) {
+//        out << "class " << pair.second << ";" << endl;
+        out << "#include \"" << pair.first << ".h\"" << endl;
+    });
+    out << endl;
+
+    bool first = true;
+
+    out << "template<typename App>" << endl
+        << "int launch_app(int argc, const char *argv[]);"
+        << endl;
+
+    out << "int launch(const std::string app_name, int argc, const char *argv[]) {" << endl;
+
+    for_each(begin(apps), end(apps), [&](auto pair) {
+        out << "    ";
+        if (!first) {
+            out << "} else ";
+        } else {
+            first = false;
+        }
+
+        out << "if (app_name == \"" << pair.first << "\") {" << endl
+        << "        return launch_app<" << pair.second << ">(argc, argv);" << endl;
+    });
+
+    out << "    } else {" << endl
+        << "        return EXIT_FAILURE;" << endl
+        << "    }" << endl
+        << "}" << endl;
+
+    return EXIT_SUCCESS;
+}
-- 
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