p≡p MIME library
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// This file is under GNU General Public License 3.0
// see LICENSE.txt
#include "pEpMIME.hh"
#include <deque>
#include <string>
#include <vector>
#include <ostream>
#include <pEp/stringpair.h>
#if (__cplusplus >= 201606) // std::string_view is C++17.
# include <string_view>
typedef std::string_view sv;
#else // in C++11 / C++14 use boost::string_view instead.
# include <boost/utility/string_view.hpp>
typedef boost::string_view sv;
// if sv==boost::string_view these operations are not provided, neither by boost nor by the stdlib. :-(
std::string& operator+=(std::string& s, sv v)
s.append(v.data(), v.size());
return s;
std::string operator+(std::string s, sv v)
return s += v;
namespace pEpMIME { using ::operator+=; }
#endif // C++17 switch
#define NN(str) ( (str) ? (str) : "(NULL)" )
#include <iostream>
#define LOG std::cerr
#include "nulllogger.hh"
#define LOG nulllogger
namespace pEpMIME
// works in-place
void ascii_tolower_inplace(std::string& s);
// return a copy
std::string ascii_tolower(const sv& s);
struct NameValue
NameValue() = default;
NameValue(sv n, sv v)
: name(n), value(v)
{ }
std::string name, value;
std::ostream& operator<<(std::ostream& o, const NameValue& nv);
// perhaps a std::list might be better?
typedef std::vector<NameValue> HeaderSection;
typedef std::vector<NameValue> Parameters;
std::ostream& operator<<(std::ostream& o, const Parameters& p);
// return empty string if there is no header field with that name in the HeaderSection
// return first value, if there are >1 header fields with that name in the HeaderSection
sv header_value(const HeaderSection& hs, sv name);
typedef std::deque<sv> BodyLines;
sv combineLines(const BodyLines& body)
return sv{};
const char* begin = body.front().begin();
const char* end = body.back().end();
return sv{begin, static_cast<size_t>(end-begin)};
bool exists(const char* str)
return (str!=nullptr) && (str[0] != '\0');
// extracted from Content-Type of 1st "text/plain" MIME leaf:
extern const sv Pseudo_Header_Format;
extern const sv Pseudo_Header_Delsp;
// extracted from Content-Type of 1st "message/rfc822" leaf:
extern const sv Pseudo_Header_Forwarded;
} // end of namespace pEpMIME
//template<class T>
//std::ostream& operator<<(std::ostream&, const std::vector<T>& v);