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/*
* Various string utils and parsing functions
* (C) 1999-2007,2013 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_PARSER_H__
#define BOTAN_PARSER_H__
#include <botan/types.h>
#include <string>
#include <vector>
#include <set>
#include <istream>
#include <functional>
#include <map>
namespace Botan {
/**
* Parse a SCAN-style algorithm name
* @param scan_name the name
* @return the name components
*/
BOTAN_DLL std::vector<std::string>
parse_algorithm_name(const std::string& scan_name);
/**
* Split a string
* @param str the input string
* @param delim the delimitor
* @return string split by delim
*/
BOTAN_DLL std::vector<std::string> split_on(
const std::string& str, char delim);
/**
* Split a string on a character predicate
* @param str the input string
* @param pred the predicate
*/
BOTAN_DLL std::vector<std::string>
split_on_pred(const std::string& str,
std::function<bool (char)> pred);
/**
* Erase characters from a string
*/
BOTAN_DLL std::string erase_chars(const std::string& str, const std::set<char>& chars);
/**
* Replace a character in a string
* @param str the input string
* @param from_char the character to replace
* @param to_char the character to replace it with
* @return str with all instances of from_char replaced by to_char
*/
BOTAN_DLL std::string replace_char(const std::string& str,
char from_char,
char to_char);
/**
* Replace a character in a string
* @param str the input string
* @param from_chars the characters to replace
* @param to_char the character to replace it with
* @return str with all instances of from_chars replaced by to_char
*/
BOTAN_DLL std::string replace_chars(const std::string& str,
const std::set<char>& from_chars,
char to_char);
/**
* Join a string
* @param strs strings to join
* @param delim the delimitor
* @return string joined by delim
*/
BOTAN_DLL std::string string_join(const std::vector<std::string>& strs,
char delim);
/**
* Parse an ASN.1 OID
* @param oid the OID in string form
* @return OID components
*/
BOTAN_DLL std::vector<uint32_t> parse_asn1_oid(const std::string& oid);
/**
* Compare two names using the X.509 comparison algorithm
* @param name1 the first name
* @param name2 the second name
* @return true if name1 is the same as name2 by the X.509 comparison rules
*/
BOTAN_DLL bool x500_name_cmp(const std::string& name1,
const std::string& name2);
/**
* Convert a string to a number
* @param str the string to convert
* @return number value of the string
*/
BOTAN_DLL uint32_t to_u32bit(const std::string& str);
/**
* Convert a string to a number
* @param str the string to convert
* @return number value of the string
*/
BOTAN_DLL uint16_t to_uint16(const std::string& str);
/**
* Convert a time specification to a number
* @param timespec the time specification
* @return number of seconds represented by timespec
*/
BOTAN_DLL uint32_t timespec_to_u32bit(const std::string& timespec);
/**
* Convert a string representation of an IPv4 address to a number
* @param ip_str the string representation
* @return integer IPv4 address
*/
BOTAN_DLL uint32_t string_to_ipv4(const std::string& ip_str);
/**
* Convert an IPv4 address to a string
* @param ip_addr the IPv4 address to convert
* @return string representation of the IPv4 address
*/
BOTAN_DLL std::string ipv4_to_string(uint32_t ip_addr);
std::map<std::string, std::string> BOTAN_DLL read_cfg(std::istream& is);
std::string BOTAN_DLL clean_ws(const std::string& s);
bool BOTAN_DLL host_wildcard_match(const std::string& wildcard, const std::string& host);
}
#endif
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