utilities.h

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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.
 
#ifndef FLUTTER_IMPELLER_COMPILER_UTILITIES_H_
#define FLUTTER_IMPELLER_COMPILER_UTILITIES_H_
 
#include <filesystem>
#include <string>
#include <string_view>
 
namespace impeller {
namespace compiler {
 
/// @brief  Sets the file access mode of the file at path 'p' to 0644.
bool SetPermissiveAccess(const std::filesystem::path& p);
 
/// @brief  Converts a native format path to a utf8 string.
///
///         This utility uses `path::u8string()` to convert native paths to
///         utf8. If the given path doesn't match the underlying native path
///         format, and the native path format isn't utf8 (i.e. Windows, which
///         has utf16 paths), the path will get mangled.
std::string Utf8FromPath(const std::filesystem::path& path);
 
std::string InferShaderNameFromPath(std::string_view path);
 
std::string ToCamelCase(std::string_view string);
 
std::string ToLowerCase(std::string_view string);
 
/// @brief  Ensure that the entrypoint name is a valid identifier in the target
///         language.
std::string ConvertToEntrypointName(std::string_view string);
 
bool StringStartsWith(const std::string& target, const std::string& prefix);
 
}  // namespace compiler
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_COMPILER_UTILITIES_H_