1 | #include "owl.h" |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | |
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5 | void owl_messagelist_create(owl_messagelist *ml) |
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6 | { |
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7 | ml->list = g_ptr_array_new(); |
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8 | } |
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9 | |
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10 | void owl_messagelist_cleanup(owl_messagelist *ml, bool free_messages) |
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11 | { |
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12 | if (free_messages) |
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13 | g_ptr_array_foreach(ml->list, (GFunc)owl_message_delete, NULL); |
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14 | g_ptr_array_free(ml->list, true); |
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15 | } |
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16 | |
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17 | int owl_messagelist_get_size(const owl_messagelist *ml) |
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18 | { |
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19 | return ml->list->len; |
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20 | } |
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21 | |
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22 | void *owl_messagelist_get_element(const owl_messagelist *ml, int n) |
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23 | { |
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24 | /* we assume things like owl_view_get_element(v, owl_global_get_curmsg(&g)) |
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25 | * work even when there are no messages in the message list. So don't |
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26 | * segfault if someone asks for the zeroth element of an empty list. |
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27 | */ |
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28 | if (n >= ml->list->len) return NULL; |
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29 | return ml->list->pdata[n]; |
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30 | } |
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31 | |
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32 | int owl_messagelist_get_index_by_id(const owl_messagelist *ml, int target_id) |
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33 | { |
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34 | /* return the message index with id == 'id'. If it doesn't exist return -1. */ |
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35 | int first, last, mid, msg_id; |
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36 | owl_message *m; |
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37 | |
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38 | first = 0; |
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39 | last = ml->list->len - 1; |
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40 | while (first <= last) { |
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41 | mid = (first + last) / 2; |
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42 | m = ml->list->pdata[mid]; |
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43 | msg_id = owl_message_get_id(m); |
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44 | if (msg_id == target_id) { |
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45 | return mid; |
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46 | } else if (msg_id < target_id) { |
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47 | first = mid + 1; |
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48 | } else { |
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49 | last = mid - 1; |
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50 | } |
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51 | } |
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52 | return -1; |
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53 | } |
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54 | |
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55 | owl_message *owl_messagelist_get_by_id(const owl_messagelist *ml, int target_id) |
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56 | { |
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57 | /* return the message with id == 'id'. If it doesn't exist return NULL. */ |
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58 | int n = owl_messagelist_get_index_by_id(ml, target_id); |
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59 | if (n < 0) return NULL; |
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60 | return ml->list->pdata[n]; |
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61 | } |
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62 | |
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63 | void owl_messagelist_append_element(owl_messagelist *ml, void *element) |
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64 | { |
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65 | g_ptr_array_add(ml->list, element); |
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66 | } |
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67 | |
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68 | /* do we really still want this? */ |
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69 | int owl_messagelist_delete_element(owl_messagelist *ml, int n) |
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70 | { |
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71 | /* mark a message as deleted */ |
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72 | owl_message_mark_delete(ml->list->pdata[n]); |
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73 | return(0); |
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74 | } |
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75 | |
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76 | int owl_messagelist_undelete_element(owl_messagelist *ml, int n) |
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77 | { |
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78 | /* mark a message as deleted */ |
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79 | owl_message_unmark_delete(ml->list->pdata[n]); |
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80 | return(0); |
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81 | } |
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82 | |
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83 | void owl_messagelist_delete_and_expunge_element(owl_messagelist *ml, int n) |
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84 | { |
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85 | owl_message_delete(g_ptr_array_remove_index(ml->list, n)); |
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86 | } |
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87 | |
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88 | int owl_messagelist_expunge(owl_messagelist *ml) |
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89 | { |
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90 | /* expunge deleted messages */ |
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91 | int i; |
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92 | GPtrArray *newlist; |
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93 | owl_message *m; |
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94 | |
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95 | newlist = g_ptr_array_new(); |
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96 | /*create a new list without messages marked as deleted */ |
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97 | for (i = 0; i < ml->list->len; i++) { |
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98 | m = ml->list->pdata[i]; |
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99 | if (owl_message_is_delete(m)) { |
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100 | owl_message_delete(m); |
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101 | } else { |
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102 | g_ptr_array_add(newlist, m); |
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103 | } |
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104 | } |
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105 | |
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106 | /* free the old list */ |
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107 | g_ptr_array_free(ml->list, true); |
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108 | |
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109 | /* copy the new list to the old list */ |
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110 | ml->list = newlist; |
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111 | |
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112 | return(0); |
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113 | } |
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114 | |
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115 | void owl_messagelist_invalidate_formats(const owl_messagelist *ml) |
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116 | { |
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117 | int i; |
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118 | owl_message *m; |
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119 | |
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120 | for (i = 0; i < ml->list->len; i++) { |
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121 | m = ml->list->pdata[i]; |
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122 | owl_message_invalidate_format(m); |
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123 | } |
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124 | } |
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