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/**
*
* Copyright (c) 2022, [Ribose Inc](https://www.ribose.com).
* All rights reserved.
* This file is a part of RNP sexp library
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#include <map>
#include "sexp.h"
namespace ext_key_format {
void ext_key_error(
sexp::sexp_exception_t::severity level, const char *msg, size_t c1, size_t c2, int pos);
class ext_key_input_stream_t;
class extended_private_key_t {
public:
// Comparison of names is done case insensitively !!!
struct ci_less {
// case-independent (ci) compare_less binary function
bool operator()(const std::string &s1, const std::string &s2) const
{
return std::lexicographical_compare(
s1.begin(), s1.end(), s2.begin(), s2.end(), [](char a, char b) {
return std::tolower(a) < std::tolower(b);
});
}
};
// C++ 11 compatible version (no std::equals)
static bool iequals(const std::string &a, const std::string &b)
{
size_t sz = a.size();
if (b.size() != sz)
return false;
for (size_t i = 0; i < sz; ++i)
if (tolower(a[i]) != tolower(b[i]))
return false;
return true;
}
typedef std::multimap<std::string, std::string, ci_less> fields_map_t;
sexp::sexp_list_t key;
fields_map_t fields;
void parse(ext_key_input_stream_t &is);
};
class ext_key_input_stream_t : public sexp::sexp_input_stream_t {
private:
static const bool namechar[256]; /* true if allowed in the name field */
static bool is_newline_char(int c) { return c == '\r' || c == '\n'; };
static bool is_namechar(int c) { return ((c >= 0 && c <= 255) && namechar[c]); }
bool is_scanning_value;
bool has_key;
int skip_line(void);
virtual int read_char(void);
std::string scan_name(int c);
std::string scan_value(void);
public:
ext_key_input_stream_t(std::istream *i, size_t md = 0)
: sexp_input_stream_t(i, md), is_scanning_value(false), has_key(false)
{
}
virtual ~ext_key_input_stream_t() = default;
void scan(extended_private_key_t &extended_key);
};
} // namespace ext_key_format
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