/* * Copyright 2011, 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 compatibility class 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 *buflen status_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 field void 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); #endif /* ZOIDBERG_GARGOYLE_MAIL_UTIL_H */