Mercurial > dovecot > core-2.2
annotate src/lib-mail/message-parser.h @ 4265:75d5843153f1 HEAD
Added message_part to struct message_block and some cleanups.
author | Timo Sirainen <timo.sirainen@movial.fi> |
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date | Tue, 09 May 2006 12:37:40 +0300 |
parents | fd315deac28f |
children | bd99e8f5e3ac |
rev | line source |
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0 | 1 #ifndef __MESSAGE_PARSER_H |
2 #define __MESSAGE_PARSER_H | |
3 | |
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4 #include "message-header-parser.h" |
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5 #include "message-size.h" |
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6 |
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7 enum message_part_flags { |
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8 MESSAGE_PART_FLAG_MULTIPART = 0x01, |
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9 MESSAGE_PART_FLAG_MULTIPART_DIGEST = 0x02, |
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10 MESSAGE_PART_FLAG_MESSAGE_RFC822 = 0x04, |
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11 |
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12 /* content-type: text/... */ |
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13 MESSAGE_PART_FLAG_TEXT = 0x08, |
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14 |
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15 /* content-transfer-encoding: binary */ |
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16 MESSAGE_PART_FLAG_BINARY = 0x10, |
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17 |
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18 /* message part header or body contains NULs */ |
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19 MESSAGE_PART_FLAG_HAS_NULS = 0x20, |
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20 |
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21 /* Mime-Version header exists. */ |
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22 MESSAGE_PART_FLAG_IS_MIME = 0x40 |
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23 }; |
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24 |
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25 struct message_part { |
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26 struct message_part *parent; |
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27 struct message_part *next; |
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28 struct message_part *children; |
0 | 29 |
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30 uoff_t physical_pos; /* absolute position from beginning of message */ |
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31 struct message_size header_size; |
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32 struct message_size body_size; |
0 | 33 |
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34 enum message_part_flags flags; |
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35 void *context; |
0 | 36 }; |
37 | |
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38 struct message_parser_ctx; |
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39 |
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40 struct message_block { |
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41 /* Message part this block belongs to */ |
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42 struct message_part *part; |
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43 |
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44 /* non-NULL if a header line was read */ |
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45 struct message_header_line *hdr; |
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46 |
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47 /* hdr = NULL, size = 0 block returned at the end of headers */ |
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48 const unsigned char *data; |
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49 size_t size; |
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50 }; |
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51 |
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52 /* called once with hdr = NULL at the end of headers */ |
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53 typedef void message_part_header_callback_t(struct message_part *part, |
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54 struct message_header_line *hdr, |
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55 void *context); |
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56 |
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57 /* Initialize message parser. part_spool specifies where struct message_parts |
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58 are allocated from. */ |
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59 struct message_parser_ctx * |
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60 message_parser_init(pool_t part_pool, struct istream *input); |
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61 struct message_part *message_parser_deinit(struct message_parser_ctx **ctx); |
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62 |
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63 /* Read the next block of a message. Returns 1 if block is returned, 0 if |
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64 input stream is non-blocking and more data needs to be read, -1 when all is |
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65 done or error occurred (see stream's error status). */ |
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66 int message_parser_parse_next_block(struct message_parser_ctx *ctx, |
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67 struct message_block *block_r); |
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68 |
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69 /* Read and parse header. */ |
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70 void message_parser_parse_header(struct message_parser_ctx *ctx, |
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71 struct message_size *hdr_size, |
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72 message_part_header_callback_t *callback, |
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73 void *context); |
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74 /* Read and parse body. If message is a MIME multipart or message/rfc822 |
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75 message, hdr_callback is called for all headers. body_callback is called |
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76 for the body content. */ |
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77 void message_parser_parse_body(struct message_parser_ctx *ctx, |
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78 message_part_header_callback_t *hdr_callback, |
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79 void *context); |
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80 |
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81 /* callback is called for each field in message header. */ |
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82 void message_parse_from_parts(struct message_part *part, struct istream *input, |
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83 message_part_header_callback_t *callback, |
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84 void *context); |
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85 |
0 | 86 #endif |