From 6086ec079a31276c81decdd7b5b5daaafdeb58ca Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Thu, 9 May 2024 18:40:42 +0200
Subject: Sort yscan output, tests

---
 yscan.cpp | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

(limited to 'yscan.cpp')

diff --git a/yscan.cpp b/yscan.cpp
index 2299370..138b67f 100644
--- a/yscan.cpp
+++ b/yscan.cpp
@@ -2,9 +2,12 @@
 
 #include "file.h"
 
+#include <algorithm>
 #include <filesystem>
 #include <iostream>
+#include <numeric>
 #include <string>
+#include <vector>
 
 #include <fmt/format.h>
 
@@ -18,24 +21,32 @@ int yscan(int argc, char* argv[])
  try {
   std::string name {fs::current_path().stem().string()};
 
-  std::string sources;
-  std::string test_sources;
+  std::vector<std::string> sources;
+  std::vector<std::string> test_sources;
   for (const auto& i: fs::directory_iterator(".")) {
    fs::path p{i.path().filename()};
    if (is_compile_unit_source_by_extension(p)) {
     if (p.string().substr(0, 4) == "test") {
-     test_sources += "  <source>" + p.string() + "</source>\n";
+     test_sources.push_back(p.string());
     } else {
-     sources += "  <source>" + p.string() + "</source>\n";
+     sources.push_back(p.string());
     }
    }
   }
 
-  if (!test_sources.empty()) {
-   test_sources = fmt::format(R"( <test>
+  std::sort(sources.begin(), sources.end());
+  std::sort(test_sources.begin(), test_sources.end());
+
+  std::string sources_string{std::accumulate(sources.begin(), sources.end(), std::string{},
+                                             [](const std::string& sum, const std::string& i){return sum + "  <source>" + i + "</source>\n";})};
+  std::string test_sources_string{std::accumulate(test_sources.begin(), test_sources.end(), std::string{},
+                                                  [](const std::string& sum, const std::string& i){return sum + "  <source>" + i + "</source>\n";})};
+
+  if (!test_sources_string.empty()) {
+   test_sources_string = fmt::format(R"( <test>
   <name>{}</name>
 {} </test>
-)", "test-"s + name, test_sources);
+)", "test-"s + name, test_sources_string);
   }
 
   std::string contents {R"(<ymake>
@@ -43,7 +54,7 @@ int yscan(int argc, char* argv[])
   <name>{}</name>
 {} </build>
 {}</ymake>)"};
-  contents = fmt::format(contents, name, sources, test_sources);
+  contents = fmt::format(contents, name, sources_string, test_sources_string);
   std::cout << contents << std::endl;
  } catch (const std::exception& ex) {
   std::cerr << "yscan: " << ex.what() << std::endl;
-- 
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