/** Copyright 2011-2016, Haiku, Inc. All rights reserved.* Copyright 2001-2003 Dr. Zoidberg Enterprises. All rights reserved.*/#ifndef ZOIDBERG_GARGOYLE_MAIL_UTIL_H#define ZOIDBERG_GARGOYLE_MAIL_UTIL_H//! Header parsing utilities#include <stdio.h>#include <DataIO.h>#include <E-mail.h>#include <Message.h>#include <Node.h>// TODO: this should only be preserved for gcc2 compatibilityclass BString;status_t write_read_attr(BNode& node, read_flags flag);status_t read_read_attr(BNode& node, read_flags& flag);// The next couple of functions are our wrapper around convert_to_utf8 and// convert_from_utf8 so that they can also convert from UTF-8 to UTF-8 by// specifying the MDR_UTF8_CONVERSION constant as the conversion operation.status_t mail_convert_to_utf8(uint32 srcEncoding, const char *src,int32 *srcLen, char *dst, int32 *dstLen, int32 *state,char substitute = B_SUBSTITUTE);status_t mail_convert_from_utf8(uint32 dstEncoding, const char *src,int32 *srcLen, char *dst, int32 *dstLen, int32 *state,char substitute = B_SUBSTITUTE);void trim_white_space(BString &string);// Remove leading and trailing white space from the string.void SubjectToThread(BString &string);// Convert a subject to the core words (remove the extraneous RE: re: etc).time_t ParseDateWithTimeZone(const char *DateString);// Converts a date to a time. Handles time zones too, unlike parsedate.ssize_t rfc2047_to_utf8(char **buffer, size_t *bufLen, size_t strLen = 0);ssize_t utf8_to_rfc2047(char **bufp, ssize_t length,uint32 charset, char encoding);// convert (in place) RFC 2047-style escape sequences ("=?...?.?...?=")// in the first strLen characters of *buffer into UTF-8, and return the// length of the converted string or an error code less than 0 on error.//// This may cause the string to grow. If it grows bigger than *bufLen,// *buffer will be reallocated using realloc(), and its new length stored// in *bufLen.//// Unidentified charsets and conversion errors cause// the offending text to be skipped.void FoldLineAtWhiteSpaceAndAddCRLF(BString &string);// Insert CRLF at various spots in the given string (before white space) so// that the line length is mostly under 78 bytes. Also makes sure there is a// CRLF at the very end.ssize_t nextfoldedline(const char** header, char **buffer, size_t *buflen);ssize_t readfoldedline(FILE *file, char **buffer, size_t *buflen);ssize_t readfoldedline(BPositionIO &in, char **buffer, size_t *buflen);// Return in *buffer a \n-terminated line (even if the original is \r\n// terminated or not terminated at all (last line in file situation)) from a// memory buffer, FILE* or BPositionIO, after folding \r?\n(\s)->$1. Return// the length of the folded string directly, or a negative error code if there// was a memory allocation error or file read error. It will return zero only// when trying to read at end of file. *header, *file and &in are left// pointing to the first character after the line read.//// if buffer is not NULL return a pointer to the buffer in *buffer// if *buffer is not NULL, use the preallocated buffer, though it may get// realloc'd (so use malloc to allocate it and expect to have your *buffer// pointer modified to point to the new buffer if a realloc happens).// if buflen is not NULL, return the final size of the buffer in buflen// if buffer is not NULL, buflen is not NULL, and *buffer is not NULL// *buffer is a buffer of size *buflen// if buffer is NULL or *buffer is NULL, and buflen is not NULL then// start with a buffer of size *buflenstatus_t parse_header(BMessage &headers, BPositionIO &input);status_t extract_from_header(const BString& header, const BString& field,BString& target);void extract_address(BString &address);// retrieves the mail address only from an address header formatted fieldvoid extract_address_name(BString &address);// Given a header field (usually the From: e-mail address) with gobbledygook in// it, find the longest human-readable phrase (usually the person's name).void get_address_list(BList &list, const char *string,void (*cleanupFunc)(BString &) = NULL);status_t CopyMailFolderAttributes(const char* targetPath);#endif /* ZOIDBERG_GARGOYLE_MAIL_UTIL_H */