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//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// string_utils:
// String helper functions.
//
#ifndef LIBANGLE_STRING_UTILS_H_
#define LIBANGLE_STRING_UTILS_H_
#include <string>
#include <vector>
#include "common/Optional.h"
namespace angle
{
extern const char kWhitespaceASCII[];
enum WhitespaceHandling
{
KEEP_WHITESPACE,
TRIM_WHITESPACE,
};
enum SplitResult
{
SPLIT_WANT_ALL,
SPLIT_WANT_NONEMPTY,
};
std::vector<std::string> SplitString(const std::string &input,
const std::string &delimiters,
WhitespaceHandling whitespace,
SplitResult resultType);
void SplitStringAlongWhitespace(const std::string &input,
std::vector<std::string> *tokensOut);
std::string TrimString(const std::string &input, const std::string &trimChars);
bool HexStringToUInt(const std::string &input, unsigned int *uintOut);
bool ReadFileToString(const std::string &path, std::string *stringOut);
Optional<std::vector<wchar_t>> WidenString(size_t length, const char *cString);
// Check if the string str begins with the given prefix.
// The comparison is case sensitive.
bool BeginsWith(const std::string &str, const std::string &prefix);
// Check if the string str begins with the given prefix.
// Prefix may not be NULL and needs to be NULL terminated.
// The comparison is case sensitive.
bool BeginsWith(const std::string &str, const char *prefix);
// Check if the string str begins with the given prefix.
// str and prefix may not be NULL and need to be NULL terminated.
// The comparison is case sensitive.
bool BeginsWith(const char *str, const char *prefix);
// Check if the string str begins with the first prefixLength characters of the given prefix.
// The length of the prefix string should be greater than or equal to prefixLength.
// The comparison is case sensitive.
bool BeginsWith(const std::string &str, const std::string &prefix, const size_t prefixLength);
// Check if the string str ends with the given suffix.
// Suffix may not be NUL and needs to be NULL terminated.
// The comparison is case sensitive.
bool EndsWith(const std::string& str, const char* suffix);
// Convert to lower-case.
void ToLower(std::string *str);
// Replaces the substring 'substring' in 'str' with 'replacement'. Returns true if successful.
bool ReplaceSubstring(std::string *str,
const std::string &substring,
const std::string &replacement);
} // namespace angle
#endif // LIBANGLE_STRING_UTILS_H_
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