chore: import upstream snapshot with attribution

2026-07-13 13:23:58 +08:00
commit 770d92cb1f
694 changed files with 114634 additions and 0 deletions
@@ -0,0 +1,49 @@
+/*!
+ * Copyright (c) 2023-2025 by Contributors
+ * \file support/progress_bar.h
+ * \brief A simple progress bar in C++.
+ */
+#ifndef MLC_LLM_SUPPORT_PROGRESS_BAR_H_
+#define MLC_LLM_SUPPORT_PROGRESS_BAR_H_
+
+#include <iostream>
+#include <string>
+
+namespace mlc {
+namespace llm {
+
+class ProgressBar {
+ public:
+  explicit ProgressBar(int total, int width = 100) : total(total), width(width), cur(0) {}
+
+  void Progress() {
+    if (cur < total) {
+      ++cur;
+    }
+    int bar_width = width - 2;  // Adjust for borders
+    int completed = static_cast<int>(static_cast<float>(cur) / total * bar_width);
+    int remaining = bar_width - completed;
+    std::cout << "["                          //
+              << std::string(completed, '=')  //
+              << ">"                          //
+              << std::string(remaining, ' ')  //
+              << "] "                         //
+              << " [" << cur << "/" << total << "]";
+    if (cur < total) {
+      std::cout << "\r";
+      std::cout.flush();
+    } else {
+      std::cout << std::endl;  // Move to the next line after the progress bar is complete
+    }
+  }
+
+ private:
+  int total;
+  int width;
+  int cur;
+};
+
+}  // namespace llm
+}  // namespace mlc
+
+#endif  // MLC_LLM_SUPPORT_PROGRESS_BAR_H_