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115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_QUIC_PLATFORM_API_QUIC_TEXT_UTILS_H_
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#define NET_QUIC_PLATFORM_API_QUIC_TEXT_UTILS_H_
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#include "net/quic/platform/api/quic_string_piece.h"
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#include "net/quic/platform/impl/quic_text_utils_impl.h"
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namespace net {
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// Various utilities for manipulating text.
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class QuicTextUtils {
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public:
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// Returns true if |data| starts with |prefix|, case sensitively.
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static bool StartsWith(QuicStringPiece data, QuicStringPiece prefix) {
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return QuicTextUtilsImpl::StartsWith(data, prefix);
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}
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// Returns true if |data| ends with |suffix|, case insensitively.
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static bool EndsWithIgnoreCase(QuicStringPiece data, QuicStringPiece suffix) {
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return QuicTextUtilsImpl::EndsWithIgnoreCase(data, suffix);
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}
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// Returns a new string in which |data| has been converted to lower case.
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static std::string ToLower(QuicStringPiece data) {
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return QuicTextUtilsImpl::ToLower(data);
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}
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// Removes leading and trailing whitespace from |data|.
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static void RemoveLeadingAndTrailingWhitespace(QuicStringPiece* data) {
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QuicTextUtilsImpl::RemoveLeadingAndTrailingWhitespace(data);
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}
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// Returns true if |in| represents a valid uint64, and stores that value in
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// |out|.
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static bool StringToUint64(QuicStringPiece in, uint64_t* out) {
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return QuicTextUtilsImpl::StringToUint64(in, out);
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}
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// Returns true if |in| represents a valid int, and stores that value in
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// |out|.
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static bool StringToInt(QuicStringPiece in, int* out) {
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return QuicTextUtilsImpl::StringToInt(in, out);
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}
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// Returns true if |in| represents a valid uint32, and stores that value in
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// |out|.
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static bool StringToUint32(QuicStringPiece in, uint32_t* out) {
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return QuicTextUtilsImpl::StringToUint32(in, out);
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}
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// Returns true if |in| represents a valid size_t, and stores that value in
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// |out|.
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static bool StringToSizeT(QuicStringPiece in, size_t* out) {
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return QuicTextUtilsImpl::StringToSizeT(in, out);
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}
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// Returns a new string representing |in|.
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static std::string Uint64ToString(uint64_t in) {
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return QuicTextUtilsImpl::Uint64ToString(in);
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}
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// This converts |length| bytes of binary to a 2*|length|-character
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// hexadecimal representation.
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// Return value: 2*|length| characters of ASCII string.
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static std::string HexEncode(const char* data, size_t length) {
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return HexEncode(QuicStringPiece(data, length));
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}
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// This converts |data.length()| bytes of binary to a
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// 2*|data.length()|-character hexadecimal representation.
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// Return value: 2*|data.length()| characters of ASCII string.
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static std::string HexEncode(QuicStringPiece data) {
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return QuicTextUtilsImpl::HexEncode(data);
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}
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// Converts |data| from a hexadecimal ASCII string to a binary string
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// that is |data.length()/2| bytes long.
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static std::string HexDecode(QuicStringPiece data) {
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return QuicTextUtilsImpl::HexDecode(data);
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}
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// Base64 encodes with no padding |data_len| bytes of |data| into |output|.
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static void Base64Encode(const uint8_t* data,
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size_t data_len,
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std::string* output) {
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return QuicTextUtilsImpl::Base64Encode(data, data_len, output);
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}
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// Returns a string containing hex and ASCII representations of |binary|,
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// side-by-side in the style of hexdump. Non-printable characters will be
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// printed as '.' in the ASCII output.
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// For example, given the input "Hello, QUIC!\01\02\03\04", returns:
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// "0x0000: 4865 6c6c 6f2c 2051 5549 4321 0102 0304 Hello,.QUIC!...."
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static std::string HexDump(QuicStringPiece binary_data) {
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return QuicTextUtilsImpl::HexDump(binary_data);
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}
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// Returns true if |data| contains any uppercase characters.
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static bool ContainsUpperCase(QuicStringPiece data) {
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return QuicTextUtilsImpl::ContainsUpperCase(data);
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}
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// Splits |data| into a vector of pieces delimited by |delim|.
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static std::vector<QuicStringPiece> Split(QuicStringPiece data, char delim) {
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return QuicTextUtilsImpl::Split(data, delim);
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}
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};
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} // namespace net
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#endif // NET_QUIC_PLATFORM_API_QUIC_TEXT_UTILS_H_
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