tg2sip/libtgvoip/webrtc_dsp/rtc_base/stringencode.h

201 lines
7.3 KiB
C
Raw Normal View History

Squashed 'libtgvoip/' changes from 6053cf5..cfd62e6 cfd62e6 Why did it change the OS X project 3a58a16 2.4.3 c4a48b3 Updated OS X project 564eada Fix #63 4f64e2e fixes 0c732e2 fixes 12e76ed better logging f015b79 Merge pull request #62 from xvitaly/big-endian a1df90f Set preferred audio session parameters on iOS 59a975b Fixes 8fd89fc Fixes, mic level testing and volume adjustment 243acfa Backported WebRTC upstream patch with Big Endian support. fed3bb7 Detect when proxy does not support UDP and persist that across calls a7546d4 Merge commit '6d03dd9ae4bf48d7344341cdd2d055ebd3a6a42e' into public 6d03dd9 version 69adf70 Use server config for APM + iOS crash fix 0b42ec8 Update iOS project f1b9e63 packet logging beeea45 I apparently still suck at C++ memory management 24fceba Update project 7f54b91 crash fix f85ce99 Save more data in data saving mode f4c4f79 Collect packet stats and accept json string for server config 78e584c New protocol version: optimized packet size 8cf9177 Fixed build on iOS 9dd089d fixed build on android 5caaaaf Updated WebRTC APM cc0cf35 fixed deadlock 02f4835 Rearranged VoIPController methods and added sections 912f73d Updated OS X project 39376df Fixed audio glitches on Windows dfe1f03 Updated project 81daf3f fix 296187a Merge pull request #58 from telegramdesktop/tdesktop 44956ac Merge pull request #57 from UnigramDev/public fb0a2b0 Fix build for Linux. d6cf1b7 Updated UWP wrapper 0f06289 Merge branch 'public' of github.com:grishka/libtgvoip into public dcfad91 Fix #54 162f447 Merge pull request #56 from telegramdesktop/tdesktop a7ee511 Merge remote-tracking branch 'origin/tdesktop' into HEAD 467b148 Removed unused files b1a0b3d 2.3 9b292fd Fix warning in Xcode 10. 8d8522a Merge pull request #53 from UnigramDev/public 646f7d6 Merge branch 'public' into public 14d782b Fixes 68acf59 Added GetSignalBarsCount and GetConnectionState to CXWrapper 761c586 Added GetStats to CXWrapper f643b02 Prevent crash if UWP WASAPI devices aren't found b2ac10e Fixed UWP project 9a1ec51 Fixed build for Windows Phone, fixed some warnings 4aea54f fix git-subtree-dir: libtgvoip git-subtree-split: cfd62e66a825348ac51f49e5d20bf8827fef7a38
2019-02-06 18:22:38 +00:00
/*
* Copyright 2004 The WebRTC 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 in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_STRINGENCODE_H_
#define RTC_BASE_STRINGENCODE_H_
#include <stddef.h>
#include <string>
#include <type_traits>
#include <vector>
#include "absl/types/optional.h"
#include "rtc_base/checks.h"
#include "rtc_base/string_to_number.h"
namespace rtc {
//////////////////////////////////////////////////////////////////////
// String Encoding Utilities
//////////////////////////////////////////////////////////////////////
// Note: in-place decoding (buffer == source) is allowed.
size_t url_decode(char* buffer,
size_t buflen,
const char* source,
size_t srclen);
// Convert an unsigned value from 0 to 15 to the hex character equivalent...
char hex_encode(unsigned char val);
// ...and vice-versa.
bool hex_decode(char ch, unsigned char* val);
// hex_encode shows the hex representation of binary data in ascii.
size_t hex_encode(char* buffer,
size_t buflen,
const char* source,
size_t srclen);
// hex_encode, but separate each byte representation with a delimiter.
// |delimiter| == 0 means no delimiter
// If the buffer is too short, we return 0
size_t hex_encode_with_delimiter(char* buffer,
size_t buflen,
const char* source,
size_t srclen,
char delimiter);
// Helper functions for hex_encode.
std::string hex_encode(const std::string& str);
std::string hex_encode(const char* source, size_t srclen);
std::string hex_encode_with_delimiter(const char* source,
size_t srclen,
char delimiter);
// hex_decode converts ascii hex to binary.
size_t hex_decode(char* buffer,
size_t buflen,
const char* source,
size_t srclen);
// hex_decode, assuming that there is a delimiter between every byte
// pair.
// |delimiter| == 0 means no delimiter
// If the buffer is too short or the data is invalid, we return 0.
size_t hex_decode_with_delimiter(char* buffer,
size_t buflen,
const char* source,
size_t srclen,
char delimiter);
// Helper functions for hex_decode.
size_t hex_decode(char* buffer, size_t buflen, const std::string& source);
size_t hex_decode_with_delimiter(char* buffer,
size_t buflen,
const std::string& source,
char delimiter);
// Apply any suitable string transform (including the ones above) to an STL
// string. Stack-allocated temporary space is used for the transformation,
// so value and source may refer to the same string.
typedef size_t (*Transform)(char* buffer,
size_t buflen,
const char* source,
size_t srclen);
size_t transform(std::string& value,
size_t maxlen,
const std::string& source,
Transform t);
// Return the result of applying transform t to source.
std::string s_transform(const std::string& source, Transform t);
// Convenience wrappers.
inline std::string s_url_decode(const std::string& source) {
return s_transform(source, url_decode);
}
// Joins the source vector of strings into a single string, with each
// field in source being separated by delimiter. No trailing delimiter is added.
std::string join(const std::vector<std::string>& source, char delimiter);
// Splits the source string into multiple fields separated by delimiter,
// with duplicates of delimiter creating empty fields.
size_t split(const std::string& source,
char delimiter,
std::vector<std::string>* fields);
// Splits the source string into multiple fields separated by delimiter,
// with duplicates of delimiter ignored. Trailing delimiter ignored.
size_t tokenize(const std::string& source,
char delimiter,
std::vector<std::string>* fields);
// Tokenize, including the empty tokens.
size_t tokenize_with_empty_tokens(const std::string& source,
char delimiter,
std::vector<std::string>* fields);
// Tokenize and append the tokens to fields. Return the new size of fields.
size_t tokenize_append(const std::string& source,
char delimiter,
std::vector<std::string>* fields);
// Splits the source string into multiple fields separated by delimiter, with
// duplicates of delimiter ignored. Trailing delimiter ignored. A substring in
// between the start_mark and the end_mark is treated as a single field. Return
// the size of fields. For example, if source is "filename
// \"/Library/Application Support/media content.txt\"", delimiter is ' ', and
// the start_mark and end_mark are '"', this method returns two fields:
// "filename" and "/Library/Application Support/media content.txt".
size_t tokenize(const std::string& source,
char delimiter,
char start_mark,
char end_mark,
std::vector<std::string>* fields);
// Extract the first token from source as separated by delimiter, with
// duplicates of delimiter ignored. Return false if the delimiter could not be
// found, otherwise return true.
bool tokenize_first(const std::string& source,
const char delimiter,
std::string* token,
std::string* rest);
// Convert arbitrary values to/from a string.
// TODO(jonasolsson): Remove these when absl::StrCat becomes available.
std::string ToString(bool b);
std::string ToString(const char* s);
std::string ToString(std::string t);
std::string ToString(short s);
std::string ToString(unsigned short s);
std::string ToString(int s);
std::string ToString(unsigned int s);
std::string ToString(long int s);
std::string ToString(unsigned long int s);
std::string ToString(long long int s);
std::string ToString(unsigned long long int s);
std::string ToString(double t);
std::string ToString(long double t);
std::string ToString(const void* p);
template <typename T,
typename std::enable_if<std::is_arithmetic<T>::value &&
!std::is_same<T, bool>::value,
int>::type = 0>
static bool FromString(const std::string& s, T* t) {
RTC_DCHECK(t);
absl::optional<T> result = StringToNumber<T>(s);
if (result)
*t = *result;
return result.has_value();
}
bool FromString(const std::string& s, bool* b);
template <typename T>
static inline T FromString(const std::string& str) {
T val;
FromString(str, &val);
return val;
}
//////////////////////////////////////////////////////////////////////
} // namespace rtc
#endif // RTC_BASE_STRINGENCODE_H__