Fixes & implementation of formatHelp

README.md

@@ -23,6 +23,6 @@ Allow for the user to pass the output into a file for use in the longer term.
 
 Directly allow input using the parser alone.
 ## progress
-- [ ] Set up the startup sequence & basic input (and output)
+- [x] Set up the startup sequence & basic input (and output)
 - [ ] Add a basic system for inputting time and outputting (correct) epoch time
 - [ ] Properly implement commandline parsing as stated in the plan

src/distime.cpp

@@ -19,6 +19,11 @@ namespace distime {
 
             std::getline(std::cin, timeInput);
 
+            if (std::ranges::any_of(timeInput.cbegin(), timeInput.cend(), [] (char input) {return !isdigit(input) && !isspace(input);})) {
+                std::cout << "Cannot contain non-numbers";
+                continue;
+            }
+
             int spaceCheck = static_cast<int>(std::ranges::count(timeInput.cbegin(), timeInput.cend(), ' '));
 
             if (spaceCheck != 4) {

src/main.cpp

@@ -14,6 +14,7 @@ void validateTimeFormatSelection(char timeFormat) {
 }
 
 int main(int argc, char **argv) {
+    try {
     CLI::App app{};
     app.usage("USAGE: distime [OPTIONS]");
 
@@ -22,16 +23,23 @@ int main(int argc, char **argv) {
     ->multi_option_policy (CLI::MultiOptionPolicy::Throw)
     ->default_val('f');
 
-    // auto formatHelp { [] () {
-    //     std::cout
-    //     << ""
-    // } };
+    auto formatHelp { [] () {
+        std::cout
+        << "F - Long format          [Friday, June 27, 2025 at 9:00]\n"
+        << "f - Short Long Format    [June 27, 2025 at 9:00]\n"
+        << "D - Short Format         [June 27, 2025]\n"
+        << "d - Compact Format       [06/27/2025]\n"
+        << "T - Long Time Format     [9:00:00]\n"
+        << "t - Short Time Format    [9:00]\n"
+        << "R - Relative Time Format [51 seconds ago]\n";
 
-    // app.add_flag_callback("-fh, --format-help", , "Help with formats");
+        std::exit(EXIT_SUCCESS);
+    } };
+
+    app.add_flag_callback("--format-help", formatHelp , "Help with formats");
 
     CLI11_PARSE(app, argc, argv);
 
-    // TODO: Catch the exception it can throw.
     validateTimeFormatSelection(timeFormat);
 
     std::time_t result = std::time(nullptr);
@@ -40,8 +48,12 @@ int main(int argc, char **argv) {
 
     distime::parseTimeInput(resultTime, currentTime);
 
-    std::cout << std::put_time(&resultTime, "%d-%m-%Y %H:%M\n");
-    std::cout << "Time since epoch: " << std::mktime(&resultTime);
+    std::cout << "Resulting time: " << std::put_time(&resultTime, "%d-%m-%Y %H:%M\n");
+    std::cout << "Time stamp: <t:" << std::mktime(&resultTime) << ':' << timeFormat << '>';
 
     return EXIT_SUCCESS;
+}
+    catch (const std::invalid_argument &e) {
+        std::cerr << "Error: " << e.what();
+    }
 }