1 /* 2 * Copyright 2011-2016, Haiku, Inc. All rights reserved. 3 * Copyright 2001-2003 Dr. Zoidberg Enterprises. All rights reserved. 4 */ 5 #ifndef ZOIDBERG_GARGOYLE_MAIL_UTIL_H 6 #define ZOIDBERG_GARGOYLE_MAIL_UTIL_H 7 8 9 //! Header parsing utilities 10 11 12 #include <stdio.h> 13 14 #include <DataIO.h> 15 #include <E-mail.h> 16 #include <Message.h> 17 #include <Node.h> 18 19 20 // TODO: this should only be preserved for gcc2 compatibility 21 22 23 class BString; 24 25 26 status_t write_read_attr(BNode& node, read_flags flag); 27 status_t read_read_attr(BNode& node, read_flags& flag); 28 29 30 // The next couple of functions are our wrapper around convert_to_utf8 and 31 // convert_from_utf8 so that they can also convert from UTF-8 to UTF-8 by 32 // specifying the MDR_UTF8_CONVERSION constant as the conversion operation. 33 34 status_t mail_convert_to_utf8(uint32 srcEncoding, const char *src, 35 int32 *srcLen, char *dst, int32 *dstLen, int32 *state, 36 char substitute = B_SUBSTITUTE); 37 38 status_t mail_convert_from_utf8(uint32 dstEncoding, const char *src, 39 int32 *srcLen, char *dst, int32 *dstLen, int32 *state, 40 char substitute = B_SUBSTITUTE); 41 42 43 void trim_white_space(BString &string); 44 // Remove leading and trailing white space from the string. 45 46 void SubjectToThread(BString &string); 47 // Convert a subject to the core words (remove the extraneous RE: re: etc). 48 49 time_t ParseDateWithTimeZone(const char *DateString); 50 // Converts a date to a time. Handles time zones too, unlike parsedate. 51 52 ssize_t rfc2047_to_utf8(char **buffer, size_t *bufLen, size_t strLen = 0); 53 ssize_t utf8_to_rfc2047(char **bufp, ssize_t length,uint32 charset, char encoding); 54 // convert (in place) RFC 2047-style escape sequences ("=?...?.?...?=") 55 // in the first strLen characters of *buffer into UTF-8, and return the 56 // length of the converted string or an error code less than 0 on error. 57 // 58 // This may cause the string to grow. If it grows bigger than *bufLen, 59 // *buffer will be reallocated using realloc(), and its new length stored 60 // in *bufLen. 61 // 62 // Unidentified charsets and conversion errors cause 63 // the offending text to be skipped. 64 65 void FoldLineAtWhiteSpaceAndAddCRLF(BString &string); 66 // Insert CRLF at various spots in the given string (before white space) so 67 // that the line length is mostly under 78 bytes. Also makes sure there is a 68 // CRLF at the very end. 69 70 ssize_t nextfoldedline(const char** header, char **buffer, size_t *buflen); 71 ssize_t readfoldedline(FILE *file, char **buffer, size_t *buflen); 72 ssize_t readfoldedline(BPositionIO &in, char **buffer, size_t *buflen); 73 // Return in *buffer a \n-terminated line (even if the original is \r\n 74 // terminated or not terminated at all (last line in file situation)) from a 75 // memory buffer, FILE* or BPositionIO, after folding \r?\n(\s)->$1. Return 76 // the length of the folded string directly, or a negative error code if there 77 // was a memory allocation error or file read error. It will return zero only 78 // when trying to read at end of file. *header, *file and &in are left 79 // pointing to the first character after the line read. 80 // 81 // if buffer is not NULL return a pointer to the buffer in *buffer 82 // if *buffer is not NULL, use the preallocated buffer, though it may get 83 // realloc'd (so use malloc to allocate it and expect to have your *buffer 84 // pointer modified to point to the new buffer if a realloc happens). 85 // if buflen is not NULL, return the final size of the buffer in buflen 86 // if buffer is not NULL, buflen is not NULL, and *buffer is not NULL 87 // *buffer is a buffer of size *buflen 88 // if buffer is NULL or *buffer is NULL, and buflen is not NULL then 89 // start with a buffer of size *buflen 90 91 status_t parse_header(BMessage &headers, BPositionIO &input); 92 status_t extract_from_header(const BString& header, const BString& field, 93 BString& target); 94 95 void extract_address(BString &address); 96 // retrieves the mail address only from an address header formatted field 97 98 void extract_address_name(BString &address); 99 // Given a header field (usually the From: e-mail address) with gobbledygook in 100 // it, find the longest human-readable phrase (usually the person's name). 101 102 void get_address_list(BList &list, const char *string, 103 void (*cleanupFunc)(BString &) = NULL); 104 105 status_t CopyMailFolderAttributes(const char* targetPath); 106 107 108 #endif /* ZOIDBERG_GARGOYLE_MAIL_UTIL_H */ 109