1 | /*
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2 | * Copyright (c) 1995-1999, Index Data.
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3 | * See the file LICENSE for details.
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4 | * Sebastian Hammer, Adam Dickmeiss
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5 | *
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6 | * $Log$
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7 | * Revision 1.1 2000/08/03 03:11:37 johnmcp
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8 | * Added the YAZ toolkit source to the packages directory (for z39.50 stuff)
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9 | *
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10 | * Revision 1.14 1999/11/30 13:47:12 adam
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11 | * Improved installation. Moved header files to include/yaz.
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12 | *
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13 | * Revision 1.13 1999/10/21 12:06:29 adam
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14 | * Retrieval module no longer uses ctype.h - functions.
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15 | *
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16 | * Revision 1.12 1999/08/27 09:40:32 adam
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17 | * Renamed logf function to yaz_log. Removed VC++ project files.
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18 | *
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19 | * Revision 1.11 1998/10/19 14:16:36 adam
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20 | * Fixed data1_gettagbyname. Bug introduced by previous revision.
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21 | *
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22 | * Revision 1.10 1998/10/15 08:29:17 adam
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23 | * Tag set type may be specified in reference to it using "tagset"
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24 | * directive in .abs-files and "include" directive in .tag-files.
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25 | *
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26 | * Revision 1.9 1998/10/13 16:09:53 adam
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27 | * Added support for arbitrary OID's for tagsets, schemas and attribute sets.
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28 | * Added support for multiple attribute set references and tagset references
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29 | * from an abstract syntax file.
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30 | * Fixed many bad logs-calls in routines that read the various
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31 | * specifications regarding data1 (*.abs,*.att,...) and made the messages
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32 | * consistent whenever possible.
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33 | * Added extra 'lineno' argument to function readconf_line.
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34 | *
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35 | * Revision 1.8 1998/05/18 13:07:07 adam
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36 | * Changed the way attribute sets are handled by the retriaval module.
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37 | * Extended Explain conversion / schema.
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38 | * Modified server and client to work with ASN.1 compiled protocol handlers.
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39 | *
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40 | * Revision 1.7 1998/02/11 11:53:35 adam
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41 | * Changed code so that it compiles as C++.
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42 | *
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43 | * Revision 1.6 1997/09/17 12:10:38 adam
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44 | * YAZ version 1.4.
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45 | *
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46 | * Revision 1.5 1997/09/05 09:50:57 adam
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47 | * Removed global data1_tabpath - uses data1_get_tabpath() instead.
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48 | *
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49 | * Revision 1.4 1995/11/13 09:27:38 quinn
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50 | * Fiddling with the variant stuff.
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51 | *
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52 | * Revision 1.3 1995/11/01 16:34:58 quinn
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53 | * Making data1 look for tables in data1_tabpath
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54 | *
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55 | * Revision 1.2 1995/11/01 13:54:49 quinn
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56 | * Minor adjustments
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57 | *
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58 | * Revision 1.1 1995/11/01 11:56:09 quinn
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59 | * Added Retrieval (data management) functions en masse.
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60 | *
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61 | *
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62 | */
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63 |
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64 | #include <stdio.h>
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65 | #include <stdlib.h>
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66 | #include <string.h>
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67 |
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68 | #include <yaz/log.h>
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69 | #include <yaz/data1.h>
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70 |
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71 | /*
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72 | * We'll probably want to add some sort of hashed index to these lookup-
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73 | * functions eventually.
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74 | */
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75 |
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76 | data1_datatype data1_maptype (data1_handle dh, char *t)
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77 | {
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78 | static struct
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79 | {
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80 | char *tname;
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81 | data1_datatype type;
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82 | } types[] =
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83 | {
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84 | {"structured", DATA1K_structured},
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85 | {"string", DATA1K_string},
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86 | {"numeric", DATA1K_numeric},
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87 | {"oid", DATA1K_oid},
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88 | {"bool", DATA1K_bool},
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89 | {"generalizedtime", DATA1K_generalizedtime},
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90 | {"intunit", DATA1K_intunit},
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91 | {"int", DATA1K_int},
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92 | {"octetstring", DATA1K_octetstring},
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93 | {"null", DATA1K_null},
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94 | {NULL, (data1_datatype) -1}
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95 | };
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96 | int i;
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97 |
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98 | for (i = 0; types[i].tname; i++)
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99 | if (!data1_matchstr(types[i].tname, t))
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100 | return types[i].type;
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101 | return DATA1K_unknown;
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102 | }
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103 |
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104 | data1_tag *data1_gettagbynum (data1_handle dh, data1_tagset *s,
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105 | int type, int value)
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106 | {
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107 | data1_tag *r;
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108 |
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109 | for (; s; s = s->next)
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110 | {
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111 | /* scan local set */
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112 | if (type == s->type)
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113 | for (r = s->tags; r; r = r->next)
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114 | if (r->which == DATA1T_numeric && r->value.numeric == value)
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115 | return r;
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116 | /* scan included sets */
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117 | if (s->children &&
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118 | (r = data1_gettagbynum (dh, s->children, type, value)))
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119 | return r;
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120 | }
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121 | return 0;
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122 | }
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123 |
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124 | data1_tag *data1_gettagbyname (data1_handle dh, data1_tagset *s,
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125 | const char *name)
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126 | {
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127 | data1_tag *r;
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128 |
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129 | for (; s; s = s->next)
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130 | {
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131 | /* scan local set */
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132 | for (r = s->tags; r; r = r->next)
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133 | {
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134 | data1_name *np;
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135 |
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136 | for (np = r->names; np; np = np->next)
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137 | if (!data1_matchstr(np->name, name))
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138 | return r;
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139 | }
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140 | /* scan included sets */
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141 | if (s->children && (r = data1_gettagbyname (dh, s->children, name)))
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142 | return r;
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143 | }
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144 | return 0;
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145 | }
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146 |
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147 | data1_tagset *data1_empty_tagset (data1_handle dh)
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148 | {
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149 | data1_tagset *res =
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150 | (data1_tagset *) nmem_malloc(data1_nmem_get (dh), sizeof(*res));
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151 | res->name = 0;
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152 | res->reference = VAL_NONE;
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153 | res->tags = 0;
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154 | res->type = 0;
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155 | res->children = 0;
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156 | res->next = 0;
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157 | return res;
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158 | }
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159 |
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160 | data1_tagset *data1_read_tagset (data1_handle dh, const char *file, int type)
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161 | {
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162 | NMEM mem = data1_nmem_get (dh);
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163 | data1_tagset *res = 0;
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164 | data1_tagset **childp;
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165 | data1_tag **tagp;
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166 | FILE *f;
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167 | int lineno = 0;
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168 | int argc;
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169 | char *argv[50], line[512];
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170 |
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171 | if (!(f = yaz_path_fopen(data1_get_tabpath(dh), file, "r")))
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172 | {
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173 | yaz_log(LOG_WARN|LOG_ERRNO, "%s", file);
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174 | return 0;
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175 | }
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176 | res = data1_empty_tagset (dh);
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177 | res->type = type;
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178 | childp = &res->children;
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179 | tagp = &res->tags;
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180 |
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181 | while ((argc = readconf_line(f, &lineno, line, 512, argv, 50)))
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182 | {
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183 | char *cmd = *argv;
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184 | if (!strcmp(cmd, "tag"))
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185 | {
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186 | int value;
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187 | char *names, *type, *nm;
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188 | data1_tag *rr;
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189 | data1_name **npp;
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190 |
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191 | if (argc != 4)
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192 | {
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193 | yaz_log(LOG_WARN, "%s:%d: Bad # args to tag", file, lineno);
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194 | continue;
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195 | }
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196 | value = atoi(argv[1]);
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197 | names = argv[2];
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198 | type = argv[3];
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199 |
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200 | rr = *tagp = (data1_tag *)nmem_malloc(mem, sizeof(*rr));
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201 | rr->tagset = res;
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202 | rr->next = 0;
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203 | rr->which = DATA1T_numeric;
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204 | rr->value.numeric = value;
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205 | /*
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206 | * how to deal with local numeric tags?
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207 | */
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208 |
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209 | if (!(rr->kind = data1_maptype(dh, type)))
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210 | {
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211 | yaz_log(LOG_WARN, "%s:%d: Unknown datatype %s",
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212 | file, lineno, type);
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213 | fclose(f);
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214 | return 0;
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215 | }
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216 |
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217 | /* read namelist */
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218 | nm = names;
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219 | npp = &rr->names;
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220 | do
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221 | {
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222 | char *e;
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223 |
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224 | *npp = (data1_name *)nmem_malloc(mem, sizeof(**npp));
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225 | if ((e = strchr(nm, '/')))
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226 | *(e++) = '\0';
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227 | (*npp)->name = nmem_strdup(mem, nm);
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228 | (*npp)->next = 0;
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229 | npp = &(*npp)->next;
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230 | nm = e;
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231 | }
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232 | while (nm);
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233 | tagp = &rr->next;
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234 | }
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235 | else if (!strcmp(cmd, "name"))
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236 | {
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237 | if (argc != 2)
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238 | {
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239 | yaz_log(LOG_WARN, "%s:%d: Bad # args to name", file, lineno);
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240 | continue;
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241 | }
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242 | res->name = nmem_strdup(mem, argv[1]);
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243 | }
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244 | else if (!strcmp(cmd, "reference"))
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245 | {
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246 | char *name;
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247 |
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248 | if (argc != 2)
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249 | {
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250 | yaz_log(LOG_WARN, "%s:%d: Bad # args to reference",
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251 | file, lineno);
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252 | continue;
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253 | }
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254 | name = argv[1];
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255 | if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
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256 | {
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257 | yaz_log(LOG_WARN, "%s:%d: Unknown tagset ref '%s'",
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258 | file, lineno, name);
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259 | continue;
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260 | }
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261 | }
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262 | else if (!strcmp(cmd, "type"))
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263 | {
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264 | if (argc != 2)
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265 | {
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266 | yaz_log (LOG_WARN, "%s:%d: Bad # args to type", file, lineno);
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267 | continue;
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268 | }
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269 | if (!res->type)
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270 | res->type = atoi(argv[1]);
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271 | }
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272 | else if (!strcmp(cmd, "include"))
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273 | {
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274 | char *name;
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275 | int type = 0;
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276 |
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277 | if (argc < 2)
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278 | {
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279 | yaz_log(LOG_WARN, "%s:%d: Bad # args to include",
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280 | file, lineno);
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281 | continue;
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282 | }
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283 | name = argv[1];
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284 | if (argc == 3)
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285 | type = atoi(argv[2]);
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286 | *childp = data1_read_tagset (dh, name, type);
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287 | if (!(*childp))
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288 | {
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289 | yaz_log(LOG_WARN, "%s:%d: Inclusion failed for tagset %s",
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290 | file, lineno, name);
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291 | continue;
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292 | }
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293 | childp = &(*childp)->next;
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294 | }
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295 | else
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296 | {
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297 | yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'",
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298 | file, lineno, cmd);
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299 | }
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300 | }
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301 | fclose(f);
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302 | return res;
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303 | }
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