Making progress on tools still

src/dawntools/tools/generatedlanguages/GeneratedLanguages.cpp

@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "GeneratedLanguages.hpp"
+
+using namespace Dawn;
+
+std::vector<std::string> GeneratedLanguages::getRequiredFlags() {
+  return std::vector<std::string>{ "input", "output" };
+}
+
+int32_t GeneratedLanguages::start() {
+  // Generate list of languages
+  std::string inNormal = File::normalizeSlashes(flags["input"]);
+  std::string error;
+  std::vector<std::string> files;
+  int32_t ret = this->scanDir(inNormal, &error, &files);
+  if(ret != 0) {
+    std::cout << error << std::endl;
+    return ret;
+  }
+
+  // Now process each language file
+  
+  
+  return 0;
+}
+
+int32_t GeneratedLanguages::scanDir(
+  std::string dir,
+  std::string *error,
+  std::vector<std::string> *files
+) {
+  DIR* handle = opendir(dir.c_str());
+  if(ENOENT == errno || !handle) {
+    *error = "Input directory \"" + dir + "\" does not exist";
+    return 1;
+  }
+
+  struct dirent *entry;
+  while((entry=readdir(handle))) {
+    std::string name(entry->d_name);
+    if(name.size() == 0 || name[0] == '.') continue;
+    auto path = dir + FILE_PATH_SEP + entry->d_name;
+    if(entry->d_type == DT_DIR) {
+      auto ret = this->scanDir(dir, error, files);
+      if(ret != 0) return ret;
+    } else if(entry->d_type == DT_REG) {
+      files->push_back(path);
+    }
+  }
+
+  closedir(handle);
+  return 0;
+}