Rearrange code and cleanup

include/utils/utils.h

@@ -0,0 +1,117 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+#include "pch.h"
+#include "ts/decl.h"
+
+template <typename T> struct Queue {
+  std::queue<T> q;
+  std::mutex m;
+
+  void push(T val) {
+    std::lock_guard<std::mutex> lock(m);
+    q.push(val);
+  }
+  std::optional<T> front() {
+    if (q.empty())
+      return std::nullopt;
+    return q.front();
+  }
+  bool pop(T &val) {
+    std::lock_guard<std::mutex> lock(m);
+    if (q.empty())
+      return false;
+    val = q.front();
+    q.pop();
+    return true;
+  }
+  void pop() {
+    std::lock_guard<std::mutex> lock(m);
+    q.pop();
+  }
+  bool empty() {
+    std::lock_guard<std::mutex> lock(m);
+    return q.empty();
+  }
+};
+
+struct Coord {
+  uint32_t row;
+  uint32_t col;
+
+  bool operator<(const Coord &other) const {
+    return row < other.row || (row == other.row && col < other.col);
+  }
+  bool operator<=(const Coord &other) const {
+    return *this < other || *this == other;
+  }
+  bool operator==(const Coord &other) const {
+    return row == other.row && col == other.col;
+  }
+  bool operator!=(const Coord &other) const { return !(*this == other); }
+  bool operator>(const Coord &other) const { return other < *this; }
+  bool operator>=(const Coord &other) const { return !(*this < other); }
+};
+
+struct Match {
+  size_t start;
+  size_t end;
+  std::string text;
+};
+
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+
+std::string clean_text(const std::string &input);
+std::string percent_encode(const std::string &s);
+std::string percent_decode(const std::string &s);
+uint32_t count_clusters(const char *line, size_t len, size_t from, size_t to);
+std::string trim(const std::string &s);
+
+int display_width(const char *str, size_t len);
+uint32_t get_visual_col_from_bytes(const char *line, uint32_t len,
+                                   uint32_t byte_limit);
+uint32_t get_bytes_from_visual_col(const char *line, uint32_t len,
+                                   uint32_t target_visual_col);
+int utf8_byte_offset_to_utf16(const char *s, size_t byte_pos);
+
+void log(const char *fmt, ...);
+
+std::string path_abs(const std::string &path_str);
+std::string path_to_file_uri(const std::string &path_str);
+std::string get_exe_dir();
+char *load_file(const char *path, uint32_t *out_len);
+char *detect_file_type(const char *filename);
+Language language_for_file(const char *filename);
+
+void copy_to_clipboard(const char *text, size_t len);
+char *get_from_clipboard(uint32_t *out_len);
+
+template <typename T>
+inline T *safe_get(std::map<uint16_t, T> &m, uint16_t key) {
+  auto it = m.find(key);
+  if (it == m.end())
+    return nullptr;
+  return &it->second;
+}
+
+template <typename Func, typename... Args>
+auto throttle(std::chrono::milliseconds min_duration, Func &&func,
+              Args &&...args) {
+  auto start = std::chrono::steady_clock::now();
+  if constexpr (std::is_void_v<std::invoke_result_t<Func, Args...>>) {
+    std::invoke(std::forward<Func>(func), std::forward<Args>(args)...);
+  } else {
+    auto result =
+        std::invoke(std::forward<Func>(func), std::forward<Args>(args)...);
+    auto elapsed = std::chrono::steady_clock::now() - start;
+    if (elapsed < min_duration)
+      std::this_thread::sleep_for(min_duration - elapsed);
+    return result;
+  }
+  auto elapsed = std::chrono::steady_clock::now() - start;
+  if (elapsed < min_duration)
+    std::this_thread::sleep_for(min_duration - elapsed);
+}
+
+#endif