[7d4fbcd] | 1 | #include "owl.h" |
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| 2 | |
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[1aee7d9] | 3 | static const char fileIdent[] = "$Id$"; |
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| 4 | |
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[7d4fbcd] | 5 | #define OWL_FILTERELEMENT_NULL 0 |
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| 6 | #define OWL_FILTERELEMENT_TRUE 1 |
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| 7 | #define OWL_FILTERELEMENT_FALSE 2 |
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| 8 | #define OWL_FILTERELEMENT_OPENBRACE 3 |
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| 9 | #define OWL_FILTERELEMENT_CLOSEBRACE 4 |
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| 10 | #define OWL_FILTERELEMENT_AND 5 |
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| 11 | #define OWL_FILTERELEMENT_OR 6 |
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| 12 | #define OWL_FILTERELEMENT_NOT 7 |
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| 13 | #define OWL_FILTERELEMENT_RE 8 |
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[40458b9] | 14 | #define OWL_FILTERELEMENT_FILTER 9 |
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[7d4fbcd] | 15 | |
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[e187445] | 16 | void owl_filterelement_create_null(owl_filterelement *fe) |
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| 17 | { |
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[7d4fbcd] | 18 | fe->type=OWL_FILTERELEMENT_NULL; |
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| 19 | fe->field=NULL; |
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[40458b9] | 20 | fe->filtername=NULL; |
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[7d4fbcd] | 21 | } |
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| 22 | |
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[e187445] | 23 | void owl_filterelement_create_openbrace(owl_filterelement *fe) |
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| 24 | { |
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[40458b9] | 25 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 26 | fe->type=OWL_FILTERELEMENT_OPENBRACE; |
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| 27 | } |
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| 28 | |
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[e187445] | 29 | void owl_filterelement_create_closebrace(owl_filterelement *fe) |
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| 30 | { |
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[40458b9] | 31 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 32 | fe->type=OWL_FILTERELEMENT_CLOSEBRACE; |
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| 33 | } |
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| 34 | |
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[e187445] | 35 | void owl_filterelement_create_and(owl_filterelement *fe) |
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| 36 | { |
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[40458b9] | 37 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 38 | fe->type=OWL_FILTERELEMENT_AND; |
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| 39 | } |
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| 40 | |
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[e187445] | 41 | void owl_filterelement_create_or(owl_filterelement *fe) |
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| 42 | { |
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[40458b9] | 43 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 44 | fe->type=OWL_FILTERELEMENT_OR; |
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| 45 | } |
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| 46 | |
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[e187445] | 47 | void owl_filterelement_create_not(owl_filterelement *fe) |
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| 48 | { |
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[40458b9] | 49 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 50 | fe->type=OWL_FILTERELEMENT_NOT; |
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| 51 | } |
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| 52 | |
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[e187445] | 53 | void owl_filterelement_create_true(owl_filterelement *fe) |
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| 54 | { |
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[40458b9] | 55 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 56 | fe->type=OWL_FILTERELEMENT_TRUE; |
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| 57 | } |
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| 58 | |
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[e187445] | 59 | void owl_filterelement_create_false(owl_filterelement *fe) |
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| 60 | { |
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[40458b9] | 61 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 62 | fe->type=OWL_FILTERELEMENT_FALSE; |
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| 63 | } |
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| 64 | |
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[e187445] | 65 | void owl_filterelement_create_re(owl_filterelement *fe, char *field, char *re) |
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| 66 | { |
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[40458b9] | 67 | owl_filterelement_create_null(fe); |
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[7d4fbcd] | 68 | fe->type=OWL_FILTERELEMENT_RE; |
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| 69 | fe->field=owl_strdup(field); |
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| 70 | owl_regex_create(&(fe->re), re); |
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| 71 | } |
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| 72 | |
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[40458b9] | 73 | void owl_filterelement_create_filter(owl_filterelement *fe, char *name) |
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| 74 | { |
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| 75 | owl_filterelement_create_null(fe); |
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| 76 | fe->type=OWL_FILTERELEMENT_FILTER; |
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| 77 | fe->filtername=owl_strdup(name); |
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| 78 | } |
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| 79 | |
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[e187445] | 80 | void owl_filterelement_free(owl_filterelement *fe) |
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| 81 | { |
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[7d4fbcd] | 82 | if (fe->field) owl_free(fe->field); |
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[40458b9] | 83 | if (fe->filtername) owl_free(fe->filtername); |
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[7d4fbcd] | 84 | } |
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| 85 | |
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[e187445] | 86 | int owl_filterelement_is_null(owl_filterelement *fe) |
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| 87 | { |
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[7d4fbcd] | 88 | if (fe->type==OWL_FILTERELEMENT_NULL) return(1); |
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| 89 | return(0); |
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| 90 | } |
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| 91 | |
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[e187445] | 92 | int owl_filterelement_is_openbrace(owl_filterelement *fe) |
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| 93 | { |
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[7d4fbcd] | 94 | if (fe->type==OWL_FILTERELEMENT_OPENBRACE) return(1); |
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| 95 | return(0); |
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| 96 | } |
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| 97 | |
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[e187445] | 98 | int owl_filterelement_is_closebrace(owl_filterelement *fe) |
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| 99 | { |
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[7d4fbcd] | 100 | if (fe->type==OWL_FILTERELEMENT_CLOSEBRACE) return(1); |
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| 101 | return(0); |
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| 102 | } |
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| 103 | |
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[e187445] | 104 | int owl_filterelement_is_and(owl_filterelement *fe) |
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| 105 | { |
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[7d4fbcd] | 106 | if (fe->type==OWL_FILTERELEMENT_AND) return(1); |
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| 107 | return(0); |
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| 108 | } |
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| 109 | |
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[e187445] | 110 | int owl_filterelement_is_or(owl_filterelement *fe) |
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| 111 | { |
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[7d4fbcd] | 112 | if (fe->type==OWL_FILTERELEMENT_OR) return(1); |
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| 113 | return(0); |
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| 114 | } |
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| 115 | |
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[e187445] | 116 | int owl_filterelement_is_not(owl_filterelement *fe) |
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| 117 | { |
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[7d4fbcd] | 118 | if (fe->type==OWL_FILTERELEMENT_NOT) return(1); |
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| 119 | return(0); |
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| 120 | } |
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| 121 | |
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[e187445] | 122 | int owl_filterelement_is_true(owl_filterelement *fe) |
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| 123 | { |
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[7d4fbcd] | 124 | if (fe->type==OWL_FILTERELEMENT_TRUE) return(1); |
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| 125 | return(0); |
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| 126 | } |
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| 127 | |
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[e187445] | 128 | int owl_filterelement_is_false(owl_filterelement *fe) |
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| 129 | { |
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[7d4fbcd] | 130 | if (fe->type==OWL_FILTERELEMENT_FALSE) return(1); |
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| 131 | return(0); |
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| 132 | } |
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| 133 | |
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[e187445] | 134 | int owl_filterelement_is_re(owl_filterelement *fe) |
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| 135 | { |
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[7d4fbcd] | 136 | if (fe->type==OWL_FILTERELEMENT_RE) return(1); |
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| 137 | return(0); |
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| 138 | } |
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| 139 | |
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[e187445] | 140 | owl_regex *owl_filterelement_get_re(owl_filterelement *fe) |
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| 141 | { |
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[7d4fbcd] | 142 | return(&(fe->re)); |
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| 143 | } |
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| 144 | |
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[40458b9] | 145 | int owl_filterelement_is_filter(owl_filterelement *fe) |
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| 146 | { |
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| 147 | if (fe->type==OWL_FILTERELEMENT_FILTER) return(1); |
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| 148 | return(0); |
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| 149 | } |
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| 150 | |
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[e187445] | 151 | char *owl_filterelement_get_field(owl_filterelement *fe) |
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| 152 | { |
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[40458b9] | 153 | if (fe->field) return(fe->field); |
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| 154 | return("unknown-field"); |
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| 155 | } |
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| 156 | |
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| 157 | char *owl_filterelement_get_filtername(owl_filterelement *fe) |
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| 158 | { |
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| 159 | if (fe->filtername) return(fe->filtername); |
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| 160 | return("unknown-filter"); |
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[7d4fbcd] | 161 | } |
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| 162 | |
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[e187445] | 163 | int owl_filterelement_is_value(owl_filterelement *fe) |
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| 164 | { |
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[7d4fbcd] | 165 | if ( (fe->type==OWL_FILTERELEMENT_TRUE) || |
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| 166 | (fe->type==OWL_FILTERELEMENT_FALSE) || |
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[40458b9] | 167 | (fe->type==OWL_FILTERELEMENT_RE) || |
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| 168 | (fe->type==OWL_FILTERELEMENT_FILTER)) { |
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[7d4fbcd] | 169 | return(1); |
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| 170 | } |
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| 171 | return(0); |
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| 172 | } |
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| 173 | |
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[40458b9] | 174 | /* caller must free the return */ |
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[e187445] | 175 | char *owl_filterelement_to_string(owl_filterelement *fe) |
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| 176 | { |
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[7d4fbcd] | 177 | if (owl_filterelement_is_openbrace(fe)) { |
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| 178 | return(owl_strdup("( ")); |
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| 179 | } else if (owl_filterelement_is_closebrace(fe)) { |
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| 180 | return(owl_strdup(") ")); |
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| 181 | } else if (owl_filterelement_is_and(fe)) { |
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| 182 | return(owl_strdup("and ")); |
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| 183 | } else if (owl_filterelement_is_or(fe)) { |
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| 184 | return(owl_strdup("or ")); |
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| 185 | } else if (owl_filterelement_is_not(fe)) { |
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| 186 | return(owl_strdup("not ")); |
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| 187 | } else if (owl_filterelement_is_true(fe)) { |
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| 188 | return(owl_strdup("true ")); |
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| 189 | } else if (owl_filterelement_is_false(fe)) { |
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| 190 | return(owl_strdup("false ")); |
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| 191 | } else if (owl_filterelement_is_re(fe)) { |
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[40458b9] | 192 | return(owl_sprintf("%s %s ", fe->field, owl_regex_get_string(&(fe->re)))); |
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| 193 | } else if (owl_filterelement_is_filter(fe)) { |
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| 194 | return(owl_sprintf("filter %s ", fe->filtername)); |
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[7d4fbcd] | 195 | } |
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[40458b9] | 196 | |
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| 197 | return(owl_strdup("?")); |
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[7d4fbcd] | 198 | } |
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