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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include <stdio.h> |
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30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | |
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33 | #include "davql.h" |
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34 | #include "methods.h" |
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35 | #include "utils.h" |
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36 | |
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37 | DavQuery dav_ql_parse(char *query, va_list ap) { |
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38 | DavQuery davquery; |
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39 | davquery.command = DAV_QUERY_ERROR; |
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40 | davquery.command_data = NULL; |
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41 | sstr_t q = sstr(query); |
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42 | q = sstrtrim(q); |
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43 | |
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44 | // get query command |
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45 | sstr_t cmd; |
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46 | cmd.ptr = NULL; |
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47 | int i; |
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48 | for(i=0;i<q.length;i++) { |
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49 | if(q.ptr[i] == ' ') { |
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50 | cmd = sstrsubsl(q, 0, i); |
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51 | break; |
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52 | } |
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53 | } |
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54 | if(!cmd.ptr) { |
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55 | fprintf(stderr, "DQL syntax error\n"); |
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56 | return davquery; |
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57 | } |
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58 | |
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59 | cmd = sstrtrim(cmd); |
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60 | q = sstrtrim(sstrsubs(q, i)); |
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61 | if(!sstrcmp(cmd, S("get"))) { |
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62 | davquery.command = DAV_QUERY_GET; |
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63 | davquery.command_data = dav_ql_parse_get(q, ap); |
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64 | } |
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65 | |
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66 | return davquery; |
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67 | } |
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68 | |
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69 | DavGetQuery* dav_ql_parse_get(sstr_t q, va_list ap) { |
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70 | sstr_t property_query = q; |
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71 | q = util_getsubstr_until_token(q, S("from"), &property_query); |
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72 | |
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73 | sstr_t from_query = q; |
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74 | sstr_t cond = util_getsubstr_until_token(q, S("where"), &from_query); |
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75 | |
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76 | // insert variable values |
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77 | UcxBuffer *fbuf = ucx_buffer_new(NULL, 128, UCX_BUFFER_AUTOEXTEND); |
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78 | int var = 0; |
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79 | for(int i=0;i<from_query.length;i++) { |
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80 | char c = from_query.ptr[i]; |
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81 | if(c == '%') { |
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82 | if(var) { |
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83 | ucx_buffer_putc(fbuf, '%'); // previous '%' |
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84 | } else { |
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85 | var = 1; |
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86 | } |
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87 | } else if(var) { |
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88 | switch(c) { |
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89 | case 's': { |
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90 | char *arg = va_arg(ap, char*); |
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91 | ucx_buffer_puts(fbuf, arg); |
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92 | break; |
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93 | } |
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94 | default: { |
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95 | ucx_buffer_putc(fbuf, '%'); |
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96 | ucx_buffer_putc(fbuf, c); |
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97 | } |
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98 | } |
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99 | var = 0; |
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100 | } else { |
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101 | ucx_buffer_putc(fbuf, c); |
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102 | } |
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103 | } |
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104 | |
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105 | // condition |
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106 | DavQOp *condition = NULL; |
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107 | size_t oplen = 0; |
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108 | if(cond.ptr) { |
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109 | //printf("cond: {%.*s}\n", cond.length, cond.ptr); |
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110 | UcxList *ops = NULL; |
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111 | if(dav_parse_condition(&ops, cond, ap)) { |
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112 | // TODO: error |
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113 | printf("parse error\n"); |
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114 | return NULL; |
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115 | } |
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116 | oplen = ucx_list_size(ops); |
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117 | condition = calloc(sizeof(DavQOp), oplen); |
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118 | int l = 0; |
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119 | UCX_FOREACH(elm, ops) { |
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120 | condition[l] = *(DavQOp*)elm->data; |
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121 | free(elm->data); |
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122 | l++; |
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123 | } |
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124 | ucx_list_free(ops); |
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125 | } |
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126 | |
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127 | DavGetQuery *getquery = malloc(sizeof(DavGetQuery)); |
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128 | getquery->properties = sstrdup(property_query); |
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129 | getquery->from = sstrn(fbuf->space, fbuf->pos); |
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130 | if(condition) { |
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131 | getquery->condition = condition; |
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132 | getquery->condlen = oplen; |
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133 | } else { |
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134 | getquery->condition = NULL; |
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135 | getquery->condlen = 0; |
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136 | } |
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137 | return getquery; |
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138 | } |
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139 | |
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140 | void free_get_query(DavGetQuery *q) { |
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141 | free(q->from.ptr); |
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142 | free(q->properties.ptr); |
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143 | free(q); |
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144 | } |
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145 | |
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146 | int parse_path_query(sstr_t query, char **path, int *depth) { |
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147 | if(query.length == 1) { |
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148 | if(query.ptr[0] == '/') { |
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149 | *path = sstrdup(query).ptr; |
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150 | *depth = 1; |
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151 | return 0; |
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152 | } else { |
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153 | *path = NULL; |
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154 | return 1; |
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155 | } |
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156 | } |
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157 | |
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158 | if(query.ptr[query.length-1] == '*') { |
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159 | *depth = -1; |
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160 | *path = sstrdup(sstrsubsl(query, 0, query.length-1)).ptr; |
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161 | } else { |
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162 | *path = sstrdup(query).ptr; |
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163 | *depth = 1; |
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164 | } |
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165 | |
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166 | return 0; |
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167 | } |
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168 | |
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169 | int dav_parse_condition(UcxList **ops, sstr_t cond, va_list ap) { |
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170 | sstr_t token; |
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171 | DavQOp *op1 = NULL; // level 1 operator |
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172 | DavQOp *op2 = NULL; // level 2 operator |
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173 | DavQOp *op3 = NULL; // level 3 operator |
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174 | while((token = condition_parser_next_token(&cond)).length > 0) { |
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175 | //printf("token: {%.*s}[%d]\n", token.length, token.ptr, token.length); |
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176 | int64_t type = 0; |
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177 | int tkop = condition_operator_type(token, &type); |
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178 | DavQOp *operation = malloc(sizeof(DavQOp)); |
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179 | if(tkop > 0) { |
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180 | // operator token |
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181 | operation->type = DAVQOP_OPERATOR; |
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182 | operation->val = NULL; |
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183 | operation->intval = type; |
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184 | switch(tkop) { |
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185 | case 1: { |
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186 | // operators: + - / * not |
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187 | // add operation after next non operator token |
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188 | op1 = operation; |
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189 | break; |
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190 | } |
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191 | case 2: { |
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192 | // operators: < > == != <= >= |
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193 | if(op2) { |
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194 | *ops = ucx_list_append(*ops, op2); |
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195 | } |
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196 | op2 = operation; |
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197 | break; |
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198 | } |
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199 | case 3: { |
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200 | // operators: and or xor |
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201 | if(op2) { |
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202 | *ops = ucx_list_append(*ops, op2); |
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203 | op2 = NULL; |
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204 | } |
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205 | if(op3) { |
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206 | *ops = ucx_list_append(*ops, op3); |
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207 | } |
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208 | op3 = operation; |
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209 | break; |
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210 | } |
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211 | } |
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212 | } else { |
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213 | if(token.ptr[0] == '"' || token.ptr[0] == '\'') { |
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214 | operation->type = DAVQOP_STRING; |
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215 | operation->val = token.ptr+1; |
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216 | operation->intval = token.length-2; |
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217 | } else if(!sstrcmp(token, S("true")) || |
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218 | !sstrcmp(token, S("false"))) |
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219 | { |
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220 | operation->type = DAVQOP_INTEGER; |
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221 | operation->val = NULL; |
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222 | operation->intval = util_getboolean(token.ptr); |
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223 | } else if(token.length == 2 && token.ptr[0] == '%') { |
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224 | switch(token.ptr[1]) { |
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225 | case 's': { |
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226 | char *arg = va_arg(ap, char*); |
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227 | operation->type = DAVQOP_STRING; |
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228 | operation->val = arg; |
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229 | operation->intval = strlen(arg); |
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230 | break; |
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231 | } |
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232 | case 'd': { |
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233 | operation->type = DAVQOP_INTEGER; |
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234 | operation->val = NULL; |
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235 | operation->intval = va_arg(ap, int); |
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236 | break; |
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237 | } |
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238 | case 't': { |
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239 | operation->type = DAVQOP_INTEGER; |
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240 | operation->val = NULL; |
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241 | operation->intval = va_arg(ap, time_t); |
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242 | break; |
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243 | } |
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244 | default: { |
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245 | operation->type = DAVQOP_STRING; |
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246 | operation->val = token.ptr; |
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247 | operation->intval = token.length; |
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248 | } |
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249 | } |
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250 | } else { |
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251 | sstr_t d = sstrdup(token); |
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252 | char *end; |
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253 | int64_t val = strtoll(d.ptr, &end, 0); |
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254 | int intval = strlen(end) == 0 ? 1 : 0; |
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255 | free(d.ptr); |
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256 | if(intval) { |
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257 | operation->type = DAVQOP_INTEGER; |
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258 | operation->val = NULL; |
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259 | operation->intval = val; |
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260 | } else { |
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261 | if(!sstrcmp(token, S("contentlength"))) { |
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262 | operation->type = DAVQOP_RESPROP; |
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263 | } else if(!sstrcmp(token, S("lastmodified"))) { |
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264 | operation->type = DAVQOP_RESPROP; |
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265 | } else if(!sstrcmp(token, S("creationdate"))) { |
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266 | operation->type = DAVQOP_RESPROP; |
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267 | } else if(!sstrcmp(token, S("name"))) { |
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268 | operation->type = DAVQOP_RESPROP; |
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269 | } else if(!sstrcmp(token, S("path"))) { |
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270 | operation->type = DAVQOP_RESPROP; |
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271 | } else if(!sstrcmp(token, S("iscollection"))) { |
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272 | operation->type = DAVQOP_RESPROP; |
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273 | } else { |
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274 | operation->type = DAVQOP_PROPERTY; |
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275 | } |
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276 | operation->val = token.ptr; |
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277 | operation->intval = token.length; |
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278 | } |
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279 | } |
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280 | |
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281 | // add operation |
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282 | *ops = ucx_list_append(*ops, operation); |
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283 | if(op1) { |
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284 | // add level 1 operator |
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285 | *ops = ucx_list_append(*ops, op1); |
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286 | op1 = NULL; |
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287 | } |
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288 | } |
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289 | } |
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290 | if(op1) { |
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291 | *ops = ucx_list_append(*ops, op1); |
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292 | } |
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293 | if(op2) { |
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294 | *ops = ucx_list_append(*ops, op2); |
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295 | } |
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296 | if(op3) { |
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297 | *ops = ucx_list_append(*ops, op3); |
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298 | } |
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299 | return 0; |
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300 | } |
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301 | |
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302 | sstr_t condition_parser_next_token(sstr_t *str) { |
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303 | sstr_t s = *str; |
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304 | sstr_t t; |
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305 | t.ptr = NULL; |
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306 | t.length = 0; |
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307 | // remove leading space |
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308 | int i; |
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309 | for(i=0;i<s.length;i++) { |
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310 | if(s.ptr[i] > 32) { |
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311 | break; |
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312 | } |
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313 | } |
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314 | s.length -= i; |
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315 | s.ptr += i; |
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316 | |
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317 | if(s.length == 0) { |
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318 | *str = s; |
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319 | return t; |
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320 | } |
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321 | |
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322 | // check for single char operators |
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323 | switch(s.ptr[0]) { |
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324 | case '<': |
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325 | case '>': |
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326 | case '+': |
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327 | case '-': |
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328 | case '*': |
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329 | case '/': { |
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330 | t.ptr = s.ptr; |
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331 | t.length = 1; |
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332 | str->ptr = s.ptr + 1; |
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333 | str->length = s.length - 1; |
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334 | return t; |
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335 | } |
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336 | } |
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337 | |
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338 | if(s.length > 1) { |
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339 | // check for double char operators |
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340 | int16_t op = *(int16_t*)s.ptr; |
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341 | if(op == '==' || op == '!=' || op == '>=' || op == '=<') { |
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342 | t.ptr = s.ptr; |
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343 | t.length = 2; |
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344 | str->ptr = s.ptr + 2; |
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345 | str->length = s.length - 2; |
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346 | return t; |
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347 | } |
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348 | } else { |
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349 | t.ptr = s.ptr; |
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350 | t.length = 1; |
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351 | str->ptr = s.ptr + 1; |
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352 | str->length = s.length - 1; |
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353 | return t; |
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354 | } |
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355 | |
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356 | // TODO: brackets |
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357 | |
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358 | // check for string literal |
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359 | if(s.ptr[0] == '\'' || s.ptr[0] == '"') { |
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360 | for(i=1;i<s.length;i++) { |
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361 | if(s.ptr[0] == s.ptr[i]) { |
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362 | i++; |
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363 | break; |
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364 | } |
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365 | } |
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366 | t.ptr = s.ptr; |
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367 | t.length = i; |
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368 | str->ptr = s.ptr + i; |
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369 | str->length = s.length - i; |
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370 | return t; |
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371 | } |
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372 | |
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373 | for(i=0;i<s.length;i++) { |
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374 | char c = s.ptr[i]; |
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375 | if((c < 33) || (c > 41 && c < 48) || (c > 59 && c < 63)) { |
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376 | break; |
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377 | } |
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378 | } |
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379 | t.ptr = s.ptr; |
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380 | t.length = i; |
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381 | str->ptr = s.ptr + i; |
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382 | str->length = s.length - i; |
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383 | return t; |
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384 | } |
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385 | |
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386 | int condition_operator_type(sstr_t token, int64_t *type) { |
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387 | // returns the operator level and sets the type |
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388 | |
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389 | if(token.ptr[0] == '"' || token.ptr[0] == '\'' || token.ptr[0] == '(') { |
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390 | return 0; |
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391 | } |
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392 | |
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393 | if(token.length == 1) { |
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394 | switch(token.ptr[0]) { |
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395 | case '+': *type = 1; return 1; |
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396 | case '-': *type = 2; return 1; |
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397 | case '*': *type = 3; return 1; |
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398 | case '/': *type = 4; return 1; |
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399 | case '<': *type = 5; return 2; |
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400 | case '>': *type = 6; return 2; |
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401 | } |
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402 | } |
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403 | if(!sstrcmp(token, S("not"))) { |
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404 | *type = 0; |
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405 | return 1; |
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406 | } |
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407 | |
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408 | if(!sstrcmp(token, S("=="))) { |
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409 | *type = 7; |
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410 | return 2; |
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411 | } |
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412 | if(!sstrcmp(token, S("!="))) { |
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413 | *type = 8; |
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414 | return 2; |
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415 | } |
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416 | if(!sstrcmp(token, S("<="))) { |
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417 | *type = 9; |
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418 | return 2; |
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419 | } |
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420 | if(!sstrcmp(token, S(">="))) { |
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421 | *type = 10; |
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422 | return 2; |
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423 | } |
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424 | |
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425 | if(!sstrcmp(token, S("and"))) { |
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426 | *type = 11; |
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|
427 | return 3; |
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428 | } |
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429 | if(!sstrcmp(token, S("or"))) { |
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430 | *type = 12; |
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|
431 | return 3; |
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432 | } |
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433 | if(!sstrcmp(token, S("xor"))) { |
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434 | *type = 13; |
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435 | return 3; |
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436 | } |
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437 | |
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438 | return 0; |
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|
439 | } |
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440 | |
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441 | int condition_eval(DavResource *res, DavQOp *cond, size_t len) { |
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442 | DavQOp stack[128]; |
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443 | int stackpos = 0; |
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444 | for(int i=0;i<len;i++) { |
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445 | DavQOp op = cond[i]; |
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446 | switch(op.type) { |
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447 | case DAVQOP_OPERATOR: { |
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448 | if(op.intval == 0) { |
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449 | // not operator |
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450 | if(stackpos < 1) { |
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451 | // error |
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452 | printf("no data on stack\n"); |
28
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453 | return 0; |
27
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454 | } |
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455 | int pos = stackpos-1; |
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456 | if(stack[pos].type == DAVQOP_INTEGER) { |
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457 | //printf("not %" PRId64 "\n", stack[pos].intval); |
27
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458 | stack[pos].intval = !stack[pos].intval; |
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459 | } else { |
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460 | // error |
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461 | printf("wrong value for 'not' operator\n"); |
28
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462 | return 0; |
27
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463 | } |
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|
464 | } else { |
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|
465 | DavQOp val1 = stack[stackpos-2]; |
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466 | DavQOp val2 = stack[stackpos-1]; |
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467 | DavQOp result; |
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|
468 | if(val1.type == DAVQOP_INTEGER) { |
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469 | if(val2.type == DAVQOP_INTEGER) { |
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470 | result = compare_intint( |
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|
471 | op.intval, |
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diff
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|
472 | val1.intval, |
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diff
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|
473 | val2.intval); |
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diff
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|
474 | } else { |
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diff
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|
475 | result = compare_intstr(op.intval, val1, val2); |
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|
476 | } |
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|
477 | } else { |
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diff
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|
478 | if(val2.type == DAVQOP_INTEGER) { |
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diff
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|
479 | result = compare_strint(op.intval, val1, val2); |
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|
480 | } else { |
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|
481 | result = compare_strstr(op.intval, val1, val2); |
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|
482 | } |
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|
483 | } |
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diff
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|
484 | stack[stackpos-2] = result; |
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diff
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|
485 | stackpos--; |
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|
486 | } |
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diff
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|
487 | break; |
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diff
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|
488 | } |
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diff
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|
489 | case DAVQOP_STRING: |
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|
490 | case DAVQOP_INTEGER: |
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diff
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|
491 | case DAVQOP_TIME: { |
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17
diff
changeset
|
492 | if(op.type == DAVQOP_STRING) { |
30
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28
diff
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|
493 | //printf("put on stack: '%s'\n", op.val); |
27
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diff
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|
494 | } else { |
30
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diff
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|
495 | //printf("put on stack[%d]: %" PRId64 "\n", stackpos, op.intval); |
27
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|
496 | } |
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|
497 | stack[stackpos++] = op; |
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|
498 | break; |
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diff
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|
499 | } |
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diff
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|
500 | case DAVQOP_PROPERTY: { |
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diff
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|
501 | sstr_t pname = sstrn(op.val, op.intval); |
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|
502 | pname = sstrdup(pname); |
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|
503 | char *property_value = dav_get_property(res, pname.ptr); |
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|
504 | free(pname.ptr); |
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17
diff
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|
505 | DavQOp value; |
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diff
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|
506 | value.type = DAVQOP_STRING; |
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diff
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|
507 | if(property_value) { |
30
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28
diff
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|
508 | //printf("put on stack: \"%s\"\n", property_value); |
27
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|
509 | value.val = property_value; |
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|
510 | value.intval = strlen(property_value); |
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diff
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|
511 | } else { |
30
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diff
changeset
|
512 | //printf("put on stack: null string\n"); |
27
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diff
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|
513 | value.val = NULL; |
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diff
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|
514 | value.intval = 0; |
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|
515 | } |
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diff
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|
516 | stack[stackpos++] = value; |
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diff
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|
517 | break; |
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diff
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|
518 | } |
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diff
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|
519 | case DAVQOP_RESPROP: { |
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diff
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|
520 | sstr_t name = sstrn(op.val, op.intval); |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
521 | DavQOp value; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
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|
522 | value.type = DAVQOP_INTEGER; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
523 | value.val = NULL; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
524 | if(!sstrcmp(name, S("contentlength"))) { |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
525 | //printf("put contentlength\n"); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
526 | value.intval = res->contentlength; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
527 | } else if(!sstrcmp(name, S("lastmodified"))) { |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
528 | //printf("put getlastmodified\n"); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
529 | value.intval = res->lastmodified; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
530 | } else if(!sstrcmp(name, S("creationdate"))) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
531 | value.intval = res->creationdate; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
532 | } else if(!sstrcmp(name, S("name"))) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
533 | value.type = DAVQOP_STRING; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
534 | value.val = res->name; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
535 | value.intval = strlen(res->name); |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
536 | } else if(!sstrcmp(name, S("path"))) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
537 | value.type = DAVQOP_STRING; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
538 | value.val = res->path; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
539 | value.intval = strlen(res->path); |
28
4e46c65711ef
added recursive put
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
27
diff
changeset
|
540 | } else if(!sstrcmp(name, S("iscollection"))) { |
4e46c65711ef
added recursive put
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
27
diff
changeset
|
541 | value.type = DAVQOP_INTEGER; |
4e46c65711ef
added recursive put
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
27
diff
changeset
|
542 | value.val = NULL; |
4e46c65711ef
added recursive put
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
27
diff
changeset
|
543 | value.intval = res->iscollection; |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
544 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
545 | stack[stackpos++] = value; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
546 | break; |
e584c351b402
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
547 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
548 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
549 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
550 | if(stackpos != 1) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
551 | return 0; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
552 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
553 | DavQOp result = stack[0]; |
30
9a5a7a513a96
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
554 | //printf("result: %" PRId64 "\n", result.intval); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
555 | return (int)result.intval; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
556 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
557 | |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
558 | DavQOp compare_intint(int op, int64_t v1, int64_t v2) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
559 | DavQOp res; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
560 | res.type = DAVQOP_INTEGER; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
561 | res.val = NULL; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
562 | res.intval = 0; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
563 | switch(op) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
564 | case 5: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
565 | // < |
30
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added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
566 | //printf("compare: %" PRId64 " < %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
567 | res.intval = v1 < v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
568 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
569 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
570 | case 6: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
571 | // > |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
572 | //printf("compare: %" PRId64 " > %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
573 | res.intval = v1 > v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
574 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
575 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
576 | case 7: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
577 | // == |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
578 | //printf("compare: %" PRId64 " == %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
579 | res.intval = v1 == v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
580 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
581 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
582 | case 8: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
583 | // != |
30
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added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
584 | //printf("compare: %" PRId64 " != %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
585 | res.intval = v1 != v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
586 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
587 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
588 | case 9: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
589 | // <= |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
590 | //printf("compare: %" PRId64 " <= %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
591 | res.intval = v1 <= v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
592 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
593 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
594 | case 10: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
595 | // >= |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
596 | //printf("compare: %" PRId64 " >= %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
597 | res.intval = v1 >= v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
598 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
599 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
600 | case 11: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
601 | // and |
30
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
602 | //printf("compare: %" PRId64 " and %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
603 | res.intval = v1 && v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
604 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
605 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
606 | case 12: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
607 | // or |
30
9a5a7a513a96
added update option for list and get
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
608 | //printf("compare: %" PRId64 " or %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
609 | res.intval = v1 || v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
610 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
611 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
612 | case 13: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
613 | // xor |
30
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
28
diff
changeset
|
614 | //printf("compare: %" PRId64 " xor %" PRId64 "\n", v1, v2); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
615 | res.intval = v1 ^ v2; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
616 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
617 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
618 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
619 | return res; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
620 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
621 | |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
622 | DavQOp compare_strint(int op, DavQOp v1, DavQOp v2) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
623 | // TODO |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
624 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
625 | |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
626 | DavQOp compare_intstr(int op, DavQOp v1, DavQOp v2) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
627 | // TODO |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
628 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
629 | |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
630 | DavQOp compare_strstr(int op, DavQOp v1, DavQOp v2) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
631 | DavQOp res; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
632 | res.type = DAVQOP_INTEGER; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
633 | res.val = NULL; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
634 | res.intval = 0; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
635 | sstr_t s1 = sstrn(v1.val, v1.intval); |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
636 | sstr_t s2 = sstrn(v2.val, v2.intval); |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
637 | switch(op) { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
638 | case 5: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
639 | // < |
30
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added update option for list and get
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28
diff
changeset
|
640 | //printf("str compare: %.*s < %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
27
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
641 | res.intval = s1.length < s2.length; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
642 | break; |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
643 | } |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
644 | case 6: { |
e584c351b402
added support for where clauses
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
17
diff
changeset
|
645 | // > |
30
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646 | //printf("str compare: %.*s > %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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647 | res.intval = s1.length > s2.length; |
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648 | break; |
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649 | } |
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650 | case 7: { |
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651 | // == |
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652 | //printf("str compare: %.*s == %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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653 | res.intval = sstrcmp(s1, s2) == 0; |
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654 | break; |
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655 | } |
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656 | case 8: { |
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657 | // != |
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658 | //printf("str compare: %.*s != %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
27
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659 | res.intval = sstrcmp(s1, s2) != 0; |
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660 | break; |
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661 | } |
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662 | case 9: { |
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663 | // <= |
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664 | //printf("str compare: %.*s <= %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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665 | res.intval = s1.length <= s2.length; |
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666 | break; |
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667 | } |
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668 | case 10: { |
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669 | // >= |
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670 | //printf("str compare: %.*s >= %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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671 | res.intval = s1.length >= s2.length; |
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672 | break; |
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673 | } |
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674 | case 11: { |
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675 | // and |
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676 | //printf("str compare: %.*s and %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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677 | res.intval = s1.ptr && s2.ptr; |
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678 | break; |
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679 | } |
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680 | case 12: { |
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681 | // or |
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|
682 | //printf("str compare: %.*s or %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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683 | res.intval = s1.ptr || s2.ptr; |
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684 | break; |
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685 | } |
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686 | case 13: { |
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687 | // xor |
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688 | //printf("str compare: %.*s xor %.*s\n", s1.length, s1.ptr, s2.length, s2.ptr); |
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689 | res.intval = (intptr_t)s1.ptr ^ (intptr_t)s2.ptr; |
27
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690 | break; |
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|
691 | } |
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|
692 | } |
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|
693 | return res; |
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|
694 | } |