dovecot/original-hg/dovecot-1.2: src/lib-imap/imap-base-subject.c annotate

annotate src/lib-imap/imap-base-subject.c @ 9532:00cd9aacd03c HEAD

Updated copyright notices to include year 2010.

author	Timo Sirainen <tss@iki.fi>
date	Mon, 25 Jan 2010 01:18:58 +0200
parents	b9faf4db2a9f
children

rev	line source
9532 00cd9aacd03c Updated copyright notices to include year 2010. Timo Sirainen <tss@iki.fi> parents: 8590 diff changeset	1 /* Copyright (c) 2002-2010 Dovecot authors, see the included COPYING file */
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	2
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	3 /* Implementated against draft-ietf-imapext-sort-10 and
4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	4 draft-ietf-imapext-thread-12 */
4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	5
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	6 #include "lib.h"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	7 #include "buffer.h"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	8 #include "charset-utf8.h"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	9 #include "message-header-decode.h"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	10 #include "imap-base-subject.h"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	11
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 898 diff changeset	12 static void pack_whitespace(buffer_t *buf)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	13 {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	14 char data, dest;
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	15 bool last_lwsp;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	16
4451 1a35d53c18fc Array API redesigned to work using unions. It now provides type safety Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	17 data = buffer_get_modifiable_data(buf, NULL);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	18
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	19 /* check if we need to do anything */
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	20 while (*data != '\0') {
985 961617a56fb9 Strip CR and LF characters too. Timo Sirainen <tss@iki.fi> parents: 959 diff changeset	21 if (data == '\t' \|\| data == '\n' \|\| *data == '\r' \|\|
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	22 (*data == ' ' && (data[1] == ' ' \|\| data[1] == '\t')))
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	23 break;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	24 data++;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	25 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	26
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	27 if (*data == '\0')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	28 return;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	29
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	30 /* @UNSAFE: convert/pack the whitespace */
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	31 dest = data; last_lwsp = FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	32 while (*data != '\0') {
985 961617a56fb9 Strip CR and LF characters too. Timo Sirainen <tss@iki.fi> parents: 959 diff changeset	33 if (data == '\t' \|\| data == ' ' \|\|
961617a56fb9 Strip CR and LF characters too. Timo Sirainen <tss@iki.fi> parents: 959 diff changeset	34 data == '\r' \|\| data == '\n') {
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	35 if (!last_lwsp) {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	36 *dest++ = ' ';
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	37 last_lwsp = TRUE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	38 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	39 } else {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	40 dest++ = data;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	41 last_lwsp = FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	42 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	43 data++;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	44 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	45 *dest = '\0';
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	46
4451 1a35d53c18fc Array API redesigned to work using unions. It now provides type safety Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	47 data = buffer_get_modifiable_data(buf, NULL);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	48 buffer_set_used_size(buf, (size_t) (dest - data)+1);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	49 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	50
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	51 static void remove_subj_trailers(buffer_t *buf, size_t start_pos,
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	52 bool *is_reply_or_forward_r)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	53 {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	54 const char *data;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	55 size_t orig_size, size;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	56
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	57 /* subj-trailer = "(fwd)" / WSP */
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	58 data = buffer_get_data(buf, &orig_size);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	59
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	60 if (orig_size < 1) /* size includes trailing \0 */
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	61 return;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	62
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	63 for (size = orig_size-1; size > start_pos; ) {
3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	64 if (data[size-1] == ' ')
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	65 size--;
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	66 else if (size >= 5 &&
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	67 memcmp(data + size - 5, "(FWD)", 5) == 0) {
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	68 if (is_reply_or_forward_r != NULL)
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	69 *is_reply_or_forward_r = TRUE;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	70 size -= 5;
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	71 } else {
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	72 break;
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	73 }
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	74 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	75
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	76 if (size != orig_size-1) {
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	77 buffer_set_used_size(buf, size);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	78 buffer_append_c(buf, '\0');
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	79 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	80 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	81
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	82 static bool remove_blob(const char **datap)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	83 {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	84 const char data = datap;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	85
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	86 if (*data != '[')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	87 return FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	88
959 f66455b629cd Blobs weren't removed correctly, resulting in incorrect SORT SUBJECT and Timo Sirainen <tss@iki.fi> parents: 924 diff changeset	89 data++;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	90 while (data != '\0' && data != '[' && *data != ']')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	91 data++;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	92
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	93 if (*data != ']')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	94 return FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	95
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	96 data++;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	97 if (*data == ' ')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	98 data++;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	99
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	100 *datap = data;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	101 return TRUE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	102 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	103
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	104 static bool remove_subj_leader(buffer_t buf, size_t start_pos,
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	105 bool *is_reply_or_forward_r)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	106 {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	107 const char data, orig_data;
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	108 bool ret = FALSE;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	109
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	110 /* subj-leader = (*subj-blob subj-refwd) / WSP
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	111
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	112 subj-blob = "[" BLOBCHAR "]" WSP
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	113 subj-refwd = ("re" / ("fw" ["d"])) *WSP [subj-blob] ":"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	114
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	115 BLOBCHAR = %x01-5a / %x5c / %x5e-7f
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	116 ; any CHAR except '[' and ']' */
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	117 orig_data = buffer_get_data(buf, NULL);
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	118 orig_data += *start_pos;
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	119 data = orig_data;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	120
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	121 if (*data == ' ') {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	122 /* independent from checks below - always removed */
2526 da6b2e4a8b3a Parsing fix Timo Sirainen <tss@iki.fi> parents: 2411 diff changeset	123 data++; orig_data++;
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	124 *start_pos += 1;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	125 ret = TRUE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	126 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	127
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	128 while (*data == '[') {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	129 if (!remove_blob(&data))
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	130 return ret;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	131 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	132
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	133 if (strncmp(data, "RE", 2) == 0)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	134 data += 2;
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	135 else if (strncmp(data, "FWD", 3) == 0)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	136 data += 3;
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	137 else if (strncmp(data, "FW", 2) == 0)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	138 data += 2;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	139 else
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	140 return ret;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	141
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	142 if (*data == ' ')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	143 data++;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	144
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	145 if (*data == '[' && !remove_blob(&data))
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	146 return ret;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	147
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	148 if (*data != ':')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	149 return ret;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	150
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	151 data++;
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	152 *start_pos += (size_t)(data - orig_data);
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	153 if (is_reply_or_forward_r != NULL)
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	154 *is_reply_or_forward_r = TRUE;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	155 return TRUE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	156 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	157
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	158 static bool remove_blob_when_nonempty(buffer_t buf, size_t start_pos)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	159 {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	160 const char data, orig_data;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	161
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	162 orig_data = buffer_get_data(buf, NULL);
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	163 orig_data += *start_pos;
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	164 data = orig_data;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	165 if (data == '[' && remove_blob(&data) && data != '\0') {
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	166 *start_pos += (size_t)(data - orig_data);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	167 return TRUE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	168 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	169
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	170 return FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	171 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	172
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	173 static bool remove_subj_fwd_hdr(buffer_t buf, size_t start_pos,
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	174 bool *is_reply_or_forward_r)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	175 {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	176 const char *data;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	177 size_t size;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	178
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	179 /* subj-fwd = subj-fwd-hdr subject subj-fwd-trl
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	180 subj-fwd-hdr = "[fwd:"
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	181 subj-fwd-trl = "]" */
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	182 data = buffer_get_data(buf, &size);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	183
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	184 if (strncmp(data + *start_pos, "[FWD:", 5) != 0)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	185 return FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	186
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	187 if (data[size-2] != ']')
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	188 return FALSE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	189
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	190 if (is_reply_or_forward_r != NULL)
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	191 *is_reply_or_forward_r = TRUE;
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	192
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	193 buffer_set_used_size(buf, size-2);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	194 buffer_append_c(buf, '\0');
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	195
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	196 *start_pos += 5;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	197 return TRUE;
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	198 }
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	199
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	200 const char imap_get_base_subject_cased(pool_t pool, const char subject,
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	201 bool *is_reply_or_forward_r)
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	202 {
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 898 diff changeset	203 buffer_t *buf;
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	204 size_t start_pos, subject_len;
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	205 bool found;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	206
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	207 if (is_reply_or_forward_r != NULL)
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	208 *is_reply_or_forward_r = FALSE;
924 4f697dde0fca THREAD=REFERENCES implementation. Doesn't crash, but I'm not sure how Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	209
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	210 subject_len = strlen(subject);
2708 f1e9f3ec8135 Buffer API change: we no longer support limited sized buffers where Timo Sirainen <tss@iki.fi> parents: 2526 diff changeset	211 buf = buffer_create_dynamic(pool, subject_len);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	212
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	213 /* (1) Convert any RFC 2047 encoded-words in the subject to
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	214 UTF-8. Convert all tabs and continuations to space.
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	215 Convert all multiple spaces to a single space. */
6119 9607369b6bce Use message_header_decode_utf8() instead of implementing our own. Timo Sirainen <tss@iki.fi> parents: 6112 diff changeset	216 message_header_decode_utf8((const unsigned char *)subject, subject_len,
9607369b6bce Use message_header_decode_utf8() instead of implementing our own. Timo Sirainen <tss@iki.fi> parents: 6112 diff changeset	217 buf, TRUE);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	218 buffer_append_c(buf, '\0');
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	219
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	220 pack_whitespace(buf);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	221
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	222 start_pos = 0;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	223 do {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	224 /* (2) Remove all trailing text of the subject that matches
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	225 the subj-trailer ABNF, repeat until no more matches are
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	226 possible. */
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	227 remove_subj_trailers(buf, start_pos, is_reply_or_forward_r);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	228
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	229 do {
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	230 /* (3) Remove all prefix text of the subject that
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	231 matches the subj-leader ABNF. */
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	232 found = remove_subj_leader(buf, &start_pos,
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	233 is_reply_or_forward_r);
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	234
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	235 /* (4) If there is prefix text of the subject that
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	236 matches the subj-blob ABNF, and removing that prefix
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	237 leaves a non-empty subj-base, then remove the prefix
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	238 text. */
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	239 found = remove_blob_when_nonempty(buf, &start_pos) \|\|
c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	240 found;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	241
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	242 /* (5) Repeat (3) and (4) until no matches remain. */
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	243 } while (found);
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	244
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	245 /* (6) If the resulting text begins with the subj-fwd-hdr ABNF
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	246 and ends with the subj-fwd-trl ABNF, remove the
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	247 subj-fwd-hdr and subj-fwd-trl and repeat from step (2). */
2411 c8fa857c4e08 Drop using buffer_set_start_pos(). Also some coding style cleanups. Timo Sirainen <tss@iki.fi> parents: 1797 diff changeset	248 } while (remove_subj_fwd_hdr(buf, &start_pos, is_reply_or_forward_r));
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	249
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	250 /* (7) The resulting text is the "base subject" used in the
ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	251 SORT. */
7856 3c8736e8f08d imap_get_base_subject_cased(): Subject trailers weren't removed correctly. Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	252 return (const char *)buf->data + start_pos;
793 ab093fefe04b Forgot from last SORT commit. Timo Sirainen <tss@iki.fi> parents: diff changeset	253 }

Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib-imap/imap-base-subject.c @ 9532:00cd9aacd03c HEAD