Add PathView.cpp.

GitOrigin-RevId: e6dec7b3a5d663e9390bcfafdf6ebd8e74d5ea9c

tdutils/CMakeLists.txt

@@ -99,6 +99,7 @@ set(TDUTILS_SOURCE
   td/utils/MimeType.cpp
   td/utils/MpmcQueue.cpp
   td/utils/OptionsParser.cpp
+  td/utils/PathView.cpp
   td/utils/Random.cpp
   td/utils/SharedSlice.cpp
   td/utils/Slice.cpp

tdutils/td/utils/PathView.cpp

@@ -0,0 +1,39 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/utils/PathView.h"
+
+#include "td/utils/misc.h"
+
+namespace td {
+
+PathView::PathView(Slice path) : path_(path) {
+  last_slash_ = narrow_cast<int32>(path_.size()) - 1;
+  while (last_slash_ >= 0 && !is_slash(path_[last_slash_])) {
+    last_slash_--;
+  }
+
+  last_dot_ = static_cast<int32>(path_.size());
+  for (auto i = last_dot_ - 1; i > last_slash_ + 1; i--) {
+    if (path_[i] == '.') {
+      last_dot_ = i;
+      break;
+    }
+  }
+}
+
+Slice PathView::relative(Slice path, Slice dir, bool force) {
+  if (begins_with(path, dir)) {
+    path.remove_prefix(dir.size());
+    return path;
+  }
+  if (force) {
+    return Slice();
+  }
+  return path;
+}
+
+}  // namespace td

tdutils/td/utils/PathView.h

@@ -6,27 +6,13 @@
 //
 #pragma once
 
-#include "td/utils/misc.h"
 #include "td/utils/Slice.h"
 
 namespace td {
 
 class PathView {
  public:
-  explicit PathView(Slice path) : path_(path) {
+  explicit PathView(Slice path);
-    last_slash_ = narrow_cast<int32>(path_.size()) - 1;
-    while (last_slash_ >= 0 && !is_slash(path_[last_slash_])) {
-      last_slash_--;
-    }
-
-    last_dot_ = static_cast<int32>(path_.size());
-    for (auto i = last_dot_ - 1; i > last_slash_ + 1; i--) {
-      if (path_[i] == '.') {
-        last_dot_ = i;
-        break;
-      }
-    }
-  }
 
   bool empty() const {
     return path_.empty();
@@ -74,34 +60,7 @@ class PathView {
     return !is_absolute();
   }
 
-  static Slice relative(Slice path, Slice dir, bool force = false) {
+  static Slice relative(Slice path, Slice dir, bool force = false);
-    if (begins_with(path, dir)) {
-      path.remove_prefix(dir.size());
-      return path;
-    }
-    if (force) {
-      return Slice();
-    }
-    return path;
-  }
-
-  static Slice dir_and_file(Slice path) {
-    auto last_slash = static_cast<int32>(path.size()) - 1;
-    while (last_slash >= 0 && !is_slash(path[last_slash])) {
-      last_slash--;
-    }
-    if (last_slash < 0) {
-      return Slice();
-    }
-    last_slash--;
-    while (last_slash >= 0 && !is_slash(path[last_slash])) {
-      last_slash--;
-    }
-    if (last_slash < 0) {
-      return Slice();
-    }
-    return path.substr(last_slash + 1);
-  }
 
  private:
   static bool is_slash(char c) {