Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/imap/cmd-sort.c @ 9266:cd29b745c8dd HEAD

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configure: clock_gettime()'s -lrt adding dropped everything else from $LIBS.
author Timo Sirainen <tss@iki.fi>
date Mon, 27 Jul 2009 06:32:42 -0400
parents d6ef39b9e4cf
children a5d8d201bd39
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b9faf4db2a9f Updated copyright notices to include year 2009.
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1 /* Copyright (c) 2002-2009 Dovecot authors, see the included COPYING file */
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2
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3 #include "common.h"
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4 #include "buffer.h"
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5 #include "commands.h"
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6 #include "imap-search-args.h"
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7 #include "imap-search.h"
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8
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9 struct sort_name {
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10 enum mail_sort_type type;
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11 const char *name;
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12 };
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13
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14 static struct sort_name sort_names[] = {
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15 { MAIL_SORT_ARRIVAL, "arrival" },
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16 { MAIL_SORT_CC, "cc" },
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17 { MAIL_SORT_DATE, "date" },
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18 { MAIL_SORT_FROM, "from" },
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19 { MAIL_SORT_SIZE, "size" },
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20 { MAIL_SORT_SUBJECT, "subject" },
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21 { MAIL_SORT_TO, "to" },
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22 { MAIL_SORT_SEARCH_SCORE, "x-score" },
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23
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24 { MAIL_SORT_END, NULL }
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25 };
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26
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27 static int
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28 get_sort_program(struct client_command_context *cmd,
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29 const struct imap_arg *args,
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30 enum mail_sort_type program[MAX_SORT_PROGRAM_SIZE])
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31 {
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32 enum mail_sort_type mask = 0;
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33 unsigned int i, pos;
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34 bool reverse, last_reverse;
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35
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36 if (args->type == IMAP_ARG_EOL) {
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37 /* empyty list */
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38 client_send_command_error(cmd, "Empty sort program.");
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39 return -1;
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40 }
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41
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42 pos = 0; reverse = last_reverse = FALSE;
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43 for (; args->type == IMAP_ARG_ATOM || args->type == IMAP_ARG_STRING;
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44 args++) {
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45 const char *arg = IMAP_ARG_STR(args);
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46
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47 last_reverse = strcasecmp(arg, "reverse") == 0;
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48 if (last_reverse) {
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49 reverse = !reverse;
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50 continue;
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51 }
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52
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53 for (i = 0; sort_names[i].type != MAIL_SORT_END; i++) {
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54 if (strcasecmp(arg, sort_names[i].name) == 0)
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55 break;
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56 }
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57
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58 if (sort_names[i].type == MAIL_SORT_END) {
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59 client_send_command_error(cmd, t_strconcat(
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60 "Unknown sort argument: ", arg, NULL));
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61 return -1;
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62 }
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63
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64 if ((mask & sort_names[i].type) != 0)
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65 continue;
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66 mask |= sort_names[i].type;
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67
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68 /* @UNSAFE: mask check should prevent us from ever
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69 overflowing */
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70 i_assert(pos < MAX_SORT_PROGRAM_SIZE-1);
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71 program[pos++] = sort_names[i].type |
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72 (reverse ? MAIL_SORT_FLAG_REVERSE : 0);
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73 reverse = FALSE;
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74 }
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75 if (last_reverse) {
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76 client_send_command_error(cmd, "Sort list ends with REVERSE.");
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77 return -1;
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78 }
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79 program[pos++] = MAIL_SORT_END;
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80
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81 if (args->type != IMAP_ARG_EOL) {
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82 client_send_command_error(cmd,
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83 "Invalid sort list argument.");
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84 return -1;
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85 }
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86
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87 return 0;
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88 }
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89
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90 bool cmd_sort(struct client_command_context *cmd)
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91 {
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92 struct imap_search_context *ctx;
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93 struct mail_search_args *sargs;
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94 enum mail_sort_type sort_program[MAX_SORT_PROGRAM_SIZE];
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95 const struct imap_arg *args;
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96 const char *charset;
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97 int ret;
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98
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99 if (!client_read_args(cmd, 0, 0, &args))
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100 return FALSE;
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101
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102 if (!client_verify_open_mailbox(cmd))
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103 return TRUE;
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104
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105 ctx = p_new(cmd->pool, struct imap_search_context, 1);
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106 ctx->cmd = cmd;
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107
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108 if ((ret = cmd_search_parse_return_if_found(ctx, &args)) <= 0) {
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109 /* error / waiting for unambiguity */
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110 return ret < 0;
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111 }
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112
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113 /* sort program */
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114 if (args->type != IMAP_ARG_LIST) {
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115 client_send_command_error(cmd, "Invalid sort argument.");
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116 return TRUE;
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117 }
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118
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119 if (get_sort_program(cmd, IMAP_ARG_LIST_ARGS(args), sort_program) < 0)
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120 return TRUE;
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121 args++;
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122
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123 /* charset */
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124 if (args->type != IMAP_ARG_ATOM && args->type != IMAP_ARG_STRING) {
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125 client_send_command_error(cmd,
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126 "Invalid charset argument.");
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127 return TRUE;
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128 }
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129 charset = IMAP_ARG_STR(args);
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130 args++;
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131
7642
077bb84e9e77 Make mail_search_args an independent structure that can be used for multiple
Timo Sirainen <tss@iki.fi>
parents: 7639
diff changeset
132 ret = imap_search_args_build(cmd, args, charset, &sargs);
7639
03146f02403f Implemented SEARCHRES extension.
Timo Sirainen <tss@iki.fi>
parents: 7086
diff changeset
133 if (ret <= 0)
03146f02403f Implemented SEARCHRES extension.
Timo Sirainen <tss@iki.fi>
parents: 7086
diff changeset
134 return ret < 0;
761
d3bd41a56309 First implementation of SORT extension. String comparing still not up to
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
135
8714
bbdbab5354d6 Implemented support for ESORT capability.
Timo Sirainen <tss@iki.fi>
parents: 8711
diff changeset
136 return imap_search_start(ctx, sargs, sort_program);
761
d3bd41a56309 First implementation of SORT extension. String comparing still not up to
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
137 }