strings.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "impeller/base/strings.h"
 
namespace impeller {
 
bool HasPrefix(const std::string& string, const std::string& prefix) {
  return string.find(prefix) == 0u;
}
 
bool HasSuffix(const std::string& string, const std::string& suffix) {
  auto position = string.rfind(suffix);
  if (position == std::string::npos) {
    return false;
  }
  return position == string.size() - suffix.size();
}
 
std::string StripPrefix(const std::string& string,
                        const std::string& to_strip) {
  if (!HasPrefix(string, to_strip)) {
    return string;
  }
  return string.substr(to_strip.length());
}
 
}  // namespace impeller