1f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org/* 2f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * 4f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * Use of this source code is governed by a BSD-style license 5f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * that can be found in the LICENSE file in the root of the source 6f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * tree. An additional intellectual property rights grant can be found 7f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * in the file PATENTS. All contributing project authors may 8f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org * be found in the AUTHORS file in the root of the source tree. 9f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org */ 10f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 11f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org#ifndef WEBRTC_BASE_STRINGENCODE_H_ 12f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org#define WEBRTC_BASE_STRINGENCODE_H_ 13f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 14f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org#include <sstream> 151cf6f8101ae9db517332783e99c98e14ff4c47e1Peter Thatcher#include <string> 16f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org#include <vector> 17f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 186ae5a6d7fefff6759d338b5a3e3613e050ebaa62andrew@webrtc.org#include "webrtc/base/checks.h" 19f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 20f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgnamespace rtc { 21f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 22f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org////////////////////////////////////////////////////////////////////// 23f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// String Encoding Utilities 24f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org////////////////////////////////////////////////////////////////////// 25f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 26f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Convert an unsigned value to it's utf8 representation. Returns the length 27f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// of the encoded string, or 0 if the encoding is longer than buflen - 1. 28f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t utf8_encode(char* buffer, size_t buflen, unsigned long value); 29f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Decode the utf8 encoded value pointed to by source. Returns the number of 30f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// bytes used by the encoding, or 0 if the encoding is invalid. 31f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t utf8_decode(const char* source, size_t srclen, unsigned long* value); 32f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 33f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Escaping prefixes illegal characters with the escape character. Compact, but 34f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// illegal characters still appear in the string. 35f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t escape(char * buffer, size_t buflen, 36f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen, 37f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * illegal, char escape); 38f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Note: in-place unescaping (buffer == source) is allowed. 39f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t unescape(char * buffer, size_t buflen, 40f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen, 41f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org char escape); 42f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 43f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Encoding replaces illegal characters with the escape character and 2 hex 44f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// chars, so it's a little less compact than escape, but completely removes 45f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// illegal characters. note that hex digits should not be used as illegal 46f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// characters. 47f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t encode(char * buffer, size_t buflen, 48f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen, 49f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * illegal, char escape); 50f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Note: in-place decoding (buffer == source) is allowed. 51f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t decode(char * buffer, size_t buflen, 52f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen, 53f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org char escape); 54f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 55f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Returns a list of characters that may be unsafe for use in the name of a 56f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// file, suitable for passing to the 'illegal' member of escape or encode. 57f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgconst char* unsafe_filename_characters(); 58f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 59f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// url_encode is an encode operation with a predefined set of illegal characters 60f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// and escape character (for use in URLs, obviously). 61f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t url_encode(char * buffer, size_t buflen, 62f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 63f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Note: in-place decoding (buffer == source) is allowed. 64f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t url_decode(char * buffer, size_t buflen, 65f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 66f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 67f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// html_encode prevents data embedded in html from containing markup. 68f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t html_encode(char * buffer, size_t buflen, 69f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 70f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Note: in-place decoding (buffer == source) is allowed. 71f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t html_decode(char * buffer, size_t buflen, 72f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 73f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 74f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// xml_encode makes data suitable for inside xml attributes and values. 75f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t xml_encode(char * buffer, size_t buflen, 76f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 77f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Note: in-place decoding (buffer == source) is allowed. 78f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t xml_decode(char * buffer, size_t buflen, 79f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 80f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 81f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Convert an unsigned value from 0 to 15 to the hex character equivalent... 82f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgchar hex_encode(unsigned char val); 83f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// ...and vice-versa. 84f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgbool hex_decode(char ch, unsigned char* val); 85f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 86f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// hex_encode shows the hex representation of binary data in ascii. 87f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t hex_encode(char* buffer, size_t buflen, 88f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char* source, size_t srclen); 89f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 90f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// hex_encode, but separate each byte representation with a delimiter. 91f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// |delimiter| == 0 means no delimiter 92f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// If the buffer is too short, we return 0 93f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t hex_encode_with_delimiter(char* buffer, size_t buflen, 94f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char* source, size_t srclen, 95f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org char delimiter); 96f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 97f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Helper functions for hex_encode. 981cf6f8101ae9db517332783e99c98e14ff4c47e1Peter Thatcherstd::string hex_encode(const std::string& str); 99f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstd::string hex_encode(const char* source, size_t srclen); 100f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstd::string hex_encode_with_delimiter(const char* source, size_t srclen, 101f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org char delimiter); 102f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 103f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// hex_decode converts ascii hex to binary. 104f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t hex_decode(char* buffer, size_t buflen, 105f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char* source, size_t srclen); 106f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 107f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// hex_decode, assuming that there is a delimiter between every byte 108f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// pair. 109f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// |delimiter| == 0 means no delimiter 110f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// If the buffer is too short or the data is invalid, we return 0. 111f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t hex_decode_with_delimiter(char* buffer, size_t buflen, 112f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char* source, size_t srclen, 113f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org char delimiter); 114f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 115f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Helper functions for hex_decode. 116f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t hex_decode(char* buffer, size_t buflen, const std::string& source); 117f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t hex_decode_with_delimiter(char* buffer, size_t buflen, 118f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const std::string& source, char delimiter); 119f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 120f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Apply any suitable string transform (including the ones above) to an STL 121f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// string. Stack-allocated temporary space is used for the transformation, 122f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// so value and source may refer to the same string. 123f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgtypedef size_t (*Transform)(char * buffer, size_t buflen, 124f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org const char * source, size_t srclen); 125f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t transform(std::string& value, size_t maxlen, const std::string& source, 126f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org Transform t); 127f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 128f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Return the result of applying transform t to source. 129f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstd::string s_transform(const std::string& source, Transform t); 130f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 131f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Convenience wrappers. 132f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orginline std::string s_url_encode(const std::string& source) { 133f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org return s_transform(source, url_encode); 134f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 135f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orginline std::string s_url_decode(const std::string& source) { 136f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org return s_transform(source, url_decode); 137f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 138f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 139f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Splits the source string into multiple fields separated by delimiter, 140f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// with duplicates of delimiter creating empty fields. 141f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t split(const std::string& source, char delimiter, 142f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org std::vector<std::string>* fields); 143f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 144f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Splits the source string into multiple fields separated by delimiter, 145f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// with duplicates of delimiter ignored. Trailing delimiter ignored. 146f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t tokenize(const std::string& source, char delimiter, 147f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org std::vector<std::string>* fields); 148f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 1490a6c4ca942f3a25c15c7af64a9515d381c34cd9cdeadbeef// Tokenize, including the empty tokens. 1500a6c4ca942f3a25c15c7af64a9515d381c34cd9cdeadbeefsize_t tokenize_with_empty_tokens(const std::string& source, 1510a6c4ca942f3a25c15c7af64a9515d381c34cd9cdeadbeef char delimiter, 1520a6c4ca942f3a25c15c7af64a9515d381c34cd9cdeadbeef std::vector<std::string>* fields); 1530a6c4ca942f3a25c15c7af64a9515d381c34cd9cdeadbeef 154f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Tokenize and append the tokens to fields. Return the new size of fields. 155f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t tokenize_append(const std::string& source, char delimiter, 156f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org std::vector<std::string>* fields); 157f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 158f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Splits the source string into multiple fields separated by delimiter, with 159f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// duplicates of delimiter ignored. Trailing delimiter ignored. A substring in 160f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// between the start_mark and the end_mark is treated as a single field. Return 161f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// the size of fields. For example, if source is "filename 162f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// \"/Library/Application Support/media content.txt\"", delimiter is ' ', and 163f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// the start_mark and end_mark are '"', this method returns two fields: 164f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// "filename" and "/Library/Application Support/media content.txt". 165f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgsize_t tokenize(const std::string& source, char delimiter, char start_mark, 166f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org char end_mark, std::vector<std::string>* fields); 167f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 1680e07f92043b333acfdaed8f22da5df903a70e0e9Donald Curtis// Extract the first token from source as separated by delimiter, with 1690e07f92043b333acfdaed8f22da5df903a70e0e9Donald Curtis// duplicates of delimiter ignored. Return false if the delimiter could not be 1700e07f92043b333acfdaed8f22da5df903a70e0e9Donald Curtis// found, otherwise return true. 171144d01850bd3e07222d3f8696debec689dcdccf5Donald Curtisbool tokenize_first(const std::string& source, 172144d01850bd3e07222d3f8696debec689dcdccf5Donald Curtis const char delimiter, 173144d01850bd3e07222d3f8696debec689dcdccf5Donald Curtis std::string* token, 174144d01850bd3e07222d3f8696debec689dcdccf5Donald Curtis std::string* rest); 1750e07f92043b333acfdaed8f22da5df903a70e0e9Donald Curtis 176f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Safe sprintf to std::string 177f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org//void sprintf(std::string& value, size_t maxlen, const char * format, ...) 178f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// PRINTF_FORMAT(3); 179f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 180f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Convert arbitrary values to/from a string. 181f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 182f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgtemplate <class T> 183f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstatic bool ToString(const T &t, std::string* s) { 18491d6edef35e7275879c30ce16ecb8b6dc73c6e4ahenrikg RTC_DCHECK(s); 185f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org std::ostringstream oss; 186f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org oss << std::boolalpha << t; 187f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org *s = oss.str(); 188f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org return !oss.fail(); 189f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 190f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 191f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgtemplate <class T> 192f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstatic bool FromString(const std::string& s, T* t) { 19391d6edef35e7275879c30ce16ecb8b6dc73c6e4ahenrikg RTC_DCHECK(t); 194f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org std::istringstream iss(s); 195f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org iss >> std::boolalpha >> *t; 196f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org return !iss.fail(); 197f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 198f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 199f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// Inline versions of the string conversion routines. 200f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 201f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgtemplate<typename T> 202f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstatic inline std::string ToString(const T& val) { 203f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org std::string str; ToString(val, &str); return str; 204f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 205f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 206f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgtemplate<typename T> 207f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstatic inline T FromString(const std::string& str) { 208f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org T val; FromString(str, &val); return val; 209f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 210f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 211f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgtemplate<typename T> 212f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgstatic inline T FromString(const T& defaultValue, const std::string& str) { 213f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org T val(defaultValue); FromString(str, &val); return val; 214f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} 215f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 216f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// simple function to strip out characters which shouldn't be 217f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org// used in filenames 218f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.orgchar make_char_safe_for_filename(char c); 219f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 220f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org////////////////////////////////////////////////////////////////////// 221f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 222f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org} // namespace rtc 223f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org 224f048872e915a3ee229044ec4bc541f6cbf9e4de1henrike@webrtc.org#endif // WEBRTC_BASE_STRINGENCODE_H__ 225