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