1 | /**********************************************************************
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2 | *
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3 | * formattools.cpp --
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4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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5 | *
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6 | * A component of the Greenstone digital library software
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7 | * from the New Zealand Digital Library Project at the
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8 | * University of Waikato, New Zealand.
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *********************************************************************/
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25 |
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26 | #include "formattools.h"
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27 | #include "cgiutils.h"
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28 | #include "OIDtools.h"
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29 |
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30 | #include <assert.h>
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31 |
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32 | // a few function prototypes
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33 | static text_t format_string (const text_t& collection, recptproto* collectproto,
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34 | ResultDocInfo_t &docinfo, displayclass &disp,
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35 | format_t *formatlistptr,
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36 | const text_t &link, const text_t &icon,
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37 | const text_t &text, bool highlight, ostream& logout);
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38 |
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39 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
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40 | format_t *formatlistptr, text_tset &metadata, bool &getParents);
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41 |
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42 | void metadata_t::clear() {
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43 | metaname.clear();
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44 | metacommand = mNone;
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45 | parentcommand = pNone;
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46 | parentoptions.clear();
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47 | }
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48 |
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49 | void decision_t::clear() {
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50 | command = dMeta;
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51 | meta.clear();
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52 | text.clear();
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53 | }
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54 |
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55 | void format_t::clear() {
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56 | command = comText;
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57 | decision.clear();
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58 | text.clear();
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59 | meta.clear();
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60 | nextptr = NULL;
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61 | ifptr = NULL;
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62 | elseptr = NULL;
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63 | orptr = NULL;
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64 | }
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65 |
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66 | void formatinfo_t::clear() {
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67 | DocumentImages = false;
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68 | DocumentTitles = true;
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69 | DocumentHeading = "{Or}{[parent(Top):Title],[Title],untitled}<br>";
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70 | DocumentContents = true;
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71 | DocumentArrowsBottom = true;
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72 | DocumentButtons.erase (DocumentButtons.begin(), DocumentButtons.end());
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73 | // DocumentButtons.push_back ("Expand Text");
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74 | // DocumentButtons.push_back ("Expand Contents");
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75 | DocumentButtons.push_back ("Detach");
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76 | DocumentButtons.push_back ("Highlight");
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77 | RelatedDocuments = "";
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78 | DocumentText = "<center><table width=_pagewidth_><tr><td>[Text]</td></tr></table></center>";
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79 | formatstrings.erase (formatstrings.begin(), formatstrings.end());
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80 | DocumentUseHTML = false;
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81 | }
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82 |
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83 | // simply checks to see if formatstring begins with a <td> tag
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84 | bool is_table_content (const text_t &formatstring) {
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85 | text_t::const_iterator here = formatstring.begin();
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86 | text_t::const_iterator end = formatstring.end();
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87 |
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88 | while (here != end) {
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89 | if (*here != ' ') {
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90 | if ((*here == '<') && ((here+3) < end)) {
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91 | if ((*(here+1) == 't' || *(here+1) == 'T') &&
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92 | (*(here+2) == 'd' || *(here+2) == 'D') &&
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93 | (*(here+3) == '>' || *(here+3) == ' '))
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94 | return true;
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95 | } else return false;
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96 | }
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97 | here ++;
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98 | }
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99 | return false;
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100 | }
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101 |
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102 | bool is_table_content (const format_t *formatlistptr) {
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103 |
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104 | if (formatlistptr == NULL) return false;
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105 |
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106 | if (formatlistptr->command == comText)
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107 | return is_table_content (formatlistptr->text);
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108 |
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109 | return false;
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110 | }
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111 |
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112 | // returns false if key isn't in formatstringmap
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113 | bool get_formatstring (const text_t &key, const text_tmap &formatstringmap,
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114 | text_t &formatstring) {
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115 |
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116 | formatstring.clear();
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117 | text_tmap::const_iterator it = formatstringmap.find(key);
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118 | if (it == formatstringmap.end()) return false;
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119 | formatstring = (*it).second;
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120 | return true;
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121 | }
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122 |
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123 | // tries to find "key1key2" then "key1" then "key2"
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124 | bool get_formatstring (const text_t &key1, const text_t &key2,
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125 | const text_tmap &formatstringmap,
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126 | text_t &formatstring) {
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127 |
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128 | formatstring.clear();
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129 | text_tmap::const_iterator it = formatstringmap.find(key1 + key2);
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130 | if (it != formatstringmap.end()) {
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131 | formatstring = (*it).second;
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132 | return true;
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133 | }
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134 | it = formatstringmap.find(key1);
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135 | if (it != formatstringmap.end()) {
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136 | formatstring = (*it).second;
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137 | return true;
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138 | }
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139 | it = formatstringmap.find(key2);
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140 | if (it != formatstringmap.end()) {
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141 | formatstring = (*it).second;
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142 | return true;
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143 | }
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144 | return false;
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145 | }
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146 |
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147 |
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148 | // returns a date of form 31 _textmonthnn_ 1999
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149 | // input is date of type 19991231
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150 | // at least the year must be present in date
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151 | text_t format_date (const text_t &date) {
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152 |
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153 | if (date.size() < 4) return "";
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154 |
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155 | text_t::const_iterator datebegin = date.begin();
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156 |
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157 | text_t year = substr (datebegin, datebegin+4);
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158 |
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159 | if (date.size() < 6) return year;
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160 |
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161 | text_t month = "_textmonth" + substr (datebegin+4, datebegin+6) + "_";
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162 | int imonth = month.getint();
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163 | if (imonth < 0 || imonth > 12) return year;
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164 |
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165 | if (date.size() < 8) return month + " " + year;
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166 |
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167 | text_t day = substr (datebegin+6, datebegin+8);
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168 | if (day[0] == '0') day = substr (day.begin()+1, day.end());
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169 | int iday = day.getint();
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170 | if (iday < 0 || iday > 31) return month + " " + year;
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171 |
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172 | return day + " " + month + " " + year;
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173 | }
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174 |
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175 | // converts an iso639 language code to its English equivalent
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176 | // I realize that this isn't the pretiest or most efficient implementation,
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177 | // hopefully this ugly Language (and Date too) formatting won't survive to
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178 | // see gsdl-3.0
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179 | text_t iso639 (const text_t &langcode) {
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180 |
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181 | if (langcode == "aa") return "Afar";
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182 | if (langcode == "ab") return "Abkhazian";
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183 | if (langcode == "af") return "Afrikaans";
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184 | if (langcode == "am") return "Amharic";
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185 | if (langcode == "ar") return "Arabic";
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186 | if (langcode == "as") return "Assamese";
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187 | if (langcode == "ay") return "Aymara";
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188 | if (langcode == "az") return "Azerbaijani";
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189 |
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190 | if (langcode == "ba") return "Bashkir";
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191 | if (langcode == "be") return "Byelorussian";
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192 | if (langcode == "bg") return "Bulgarian";
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193 | if (langcode == "bh") return "Bihari";
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194 | if (langcode == "bi") return "Bislama";
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195 | if (langcode == "bn") return "Bengali; Bangla";
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196 | if (langcode == "bo") return "Tibetan";
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197 | if (langcode == "br") return "Breton";
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198 |
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199 | if (langcode == "ca") return "Catalan";
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200 | if (langcode == "co") return "Corsican";
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201 | if (langcode == "cs") return "Czech";
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202 | if (langcode == "cy") return "Welsh";
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203 |
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204 | if (langcode == "da") return "Danish";
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205 | if (langcode == "de") return "German";
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206 | if (langcode == "dz") return "Bhutani";
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207 |
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208 | if (langcode == "el") return "Greek";
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209 | if (langcode == "en") return "English";
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210 | if (langcode == "eo") return "Esperanto";
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211 | if (langcode == "es") return "Spanish";
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212 | if (langcode == "et") return "Estonian";
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213 | if (langcode == "eu") return "Basque";
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214 |
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215 | if (langcode == "fa") return "Persian";
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216 | if (langcode == "fi") return "Finnish";
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217 | if (langcode == "fj") return "Fiji";
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218 | if (langcode == "fo") return "Faroese";
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219 | if (langcode == "fr") return "French";
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220 | if (langcode == "fy") return "Frisian";
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221 |
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222 | if (langcode == "ga") return "Irish";
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223 | if (langcode == "gd") return "Scots Gaelic";
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224 | if (langcode == "gl") return "Galician";
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225 | if (langcode == "gn") return "Guarani";
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226 | if (langcode == "gu") return "Gujarati";
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227 |
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228 | if (langcode == "ha") return "Hausa";
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229 | if (langcode == "hi") return "Hindi";
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230 | if (langcode == "hr") return "Croatian";
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231 | if (langcode == "hu") return "Hungarian";
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232 | if (langcode == "hy") return "Armenian";
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233 |
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234 | if (langcode == "ia") return "Interlingua";
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235 | if (langcode == "ie") return "Interlingue";
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236 | if (langcode == "ik") return "Inupiak";
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237 | if (langcode == "in") return "Indonesian";
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238 | if (langcode == "is") return "Icelandic";
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239 | if (langcode == "it") return "Italian";
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240 | if (langcode == "iw") return "Hebrew";
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241 |
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242 | if (langcode == "ja") return "Japanese";
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243 | if (langcode == "ji") return "Yiddish";
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244 | if (langcode == "jw") return "Javanese";
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245 |
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246 | if (langcode == "ka") return "Georgian";
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247 | if (langcode == "kk") return "Kazakh";
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248 | if (langcode == "kl") return "Greenlandic";
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249 | if (langcode == "km") return "Cambodian";
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250 | if (langcode == "kn") return "Kannada";
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251 | if (langcode == "ko") return "Korean";
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252 | if (langcode == "ks") return "Kashmiri";
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253 | if (langcode == "ku") return "Kurdish";
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254 | if (langcode == "ky") return "Kirghiz";
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255 |
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256 | if (langcode == "la") return "Latin";
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257 | if (langcode == "ln") return "Lingala";
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258 | if (langcode == "lo") return "Laothian";
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259 | if (langcode == "lt") return "Lithuanian";
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260 | if (langcode == "lv") return "Latvian, Lettish";
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261 |
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262 | if (langcode == "mg") return "Malagasy";
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263 | if (langcode == "mi") return "Maori";
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264 | if (langcode == "mk") return "Macedonian";
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265 | if (langcode == "ml") return "Malayalam";
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266 | if (langcode == "mn") return "Mongolian";
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267 | if (langcode == "mo") return "Moldavian";
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268 | if (langcode == "mr") return "Marathi";
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269 | if (langcode == "ms") return "Malay";
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270 | if (langcode == "mt") return "Maltese";
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271 | if (langcode == "my") return "Burmese";
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272 |
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273 | if (langcode == "na") return "Nauru";
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274 | if (langcode == "ne") return "Nepali";
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275 | if (langcode == "nl") return "Dutch";
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276 | if (langcode == "no") return "Norwegian";
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277 |
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278 | if (langcode == "oc") return "Occitan";
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279 | if (langcode == "om") return "(Afan) Oromo";
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280 | if (langcode == "or") return "Oriya";
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281 |
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282 | if (langcode == "pa") return "Punjabi";
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283 | if (langcode == "pl") return "Polish";
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284 | if (langcode == "ps") return "Pashto, Pushto";
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285 | if (langcode == "pt") return "Portuguese";
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286 |
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287 | if (langcode == "qu") return "Quechua";
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288 | if (langcode == "rm") return "Rhaeto-Romance";
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289 | if (langcode == "rn") return "Kirundi";
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290 | if (langcode == "ro") return "Romanian";
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291 | if (langcode == "ru") return "Russian";
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292 | if (langcode == "rw") return "Kinyarwanda";
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293 |
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294 | if (langcode == "sa") return "Sanskrit";
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295 | if (langcode == "sd") return "Sindhi";
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296 | if (langcode == "sg") return "Sangro";
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297 | if (langcode == "sh") return "Serbo-Croatian";
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298 | if (langcode == "si") return "Singhalese";
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299 | if (langcode == "sk") return "Slovak";
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300 | if (langcode == "sl") return "Slovenian";
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301 | if (langcode == "sm") return "Samoan";
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302 | if (langcode == "sn") return "Shona";
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303 | if (langcode == "so") return "Somali";
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304 | if (langcode == "sq") return "Albanian";
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305 | if (langcode == "sr") return "Serbian";
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306 | if (langcode == "ss") return "Siswati";
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307 | if (langcode == "st") return "Sesotho";
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308 | if (langcode == "su") return "Sudanese";
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309 | if (langcode == "sv") return "Swedish";
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310 | if (langcode == "sw") return "Swahili";
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311 |
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312 | if (langcode == "ta") return "Tamil";
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313 | if (langcode == "te") return "Tegulu";
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314 | if (langcode == "tg") return "Tajik";
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315 | if (langcode == "th") return "Thai";
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316 | if (langcode == "ti") return "Tigrinya";
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317 | if (langcode == "tk") return "Turkmen";
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318 | if (langcode == "tl") return "Tagalog";
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319 | if (langcode == "tn") return "Setswana";
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320 | if (langcode == "to") return "Tonga";
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321 | if (langcode == "tr") return "Turkish";
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322 | if (langcode == "ts") return "Tsonga";
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323 | if (langcode == "tt") return "Tatar";
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324 | if (langcode == "tw") return "Twi";
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325 |
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326 | if (langcode == "uk") return "Ukrainian";
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327 | if (langcode == "ur") return "Urdu";
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328 | if (langcode == "uz") return "Uzbek";
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329 |
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330 | if (langcode == "vi") return "Vietnamese";
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331 | if (langcode == "vo") return "Volapuk";
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332 |
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333 | if (langcode == "wo") return "Wolof";
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334 |
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335 | if (langcode == "xh") return "Xhosa";
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336 |
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337 | if (langcode == "yo") return "Yoruba";
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338 |
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339 | if (langcode == "zh") return "Chinese";
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340 | if (langcode == "zu") return "Zulu";
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341 | return "";
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342 | }
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343 |
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344 | //this function gets the information associated with the relation
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345 | //metadata for the document associated with 'docinfo'. This relation
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346 | //metadata consists of a line of pairs containing 'collection, document OID'
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347 | //(this is the OID of the document related to the current document, and
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348 | //the collection the related document belongs to). For each of these pairs
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349 | //the title metadata is obtained and then an html link between the title
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350 | //of the related doc and the document's position (the document will be
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351 | //found in "<a href=\"_httpdocument_&c=collection&cl=search&d=OID">
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352 | //(where collection is the related documents collection, and OID is the
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353 | //related documents OID). A list of these html links are made for as many
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354 | //related documents as there are. This list is then returned. If there are
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355 | //no related documents available for the current document then the string
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356 | //'.. no related documents .. ' is returned.
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357 | text_t get_related_docs(const text_t& collection, recptproto* collectproto,
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358 | ResultDocInfo_t &docinfo, ostream& logout){
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359 |
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360 | text_tset metadata;
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361 |
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362 | //insert the metadata we wish to collect
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363 | metadata.insert("relation");
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364 | metadata.insert("Title");
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365 | metadata.insert("Subject"); //for emails, where title data doesn't apply
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366 |
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367 | FilterResponse_t response;
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368 | text_t relation = ""; //string for displaying relation metadata
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369 | text_t relationTitle = ""; //the related documents Title (or subject)
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370 | text_t relationOID = ""; //the related documents OID
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371 |
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372 | //get the information associated with the metadata for current doc
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373 | if (get_info (docinfo.OID, collection, metadata,
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374 | false, collectproto, response, logout)) {
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375 |
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376 | //if the relation metadata exists, store for displaying
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377 | if(!response.docInfo[0].metadata["relation"].values.empty()){
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378 | relationOID += response.docInfo[0].metadata["relation"].values[0];
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379 |
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380 | //split relation data into pairs of collectionname,ID number
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381 | text_tarray relationpairs;
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382 | splitchar (relationOID.begin(), relationOID.end(), ' ', relationpairs);
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383 |
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384 | text_tarray::const_iterator currDoc = relationpairs.begin();
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385 | text_tarray::const_iterator lastDoc = relationpairs.end();
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386 |
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387 | //iterate through the pairs to split and display
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388 | while(currDoc != lastDoc){
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389 |
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390 | //split pairs into collectionname and ID
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391 | text_tarray relationdata;
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392 | splitchar ((*currDoc).begin(), (*currDoc).end(), ',', relationdata);
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393 |
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394 | //get first element in the array (collection)
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395 | text_tarray::const_iterator doc_data = relationdata.begin();
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396 | text_t document_collection = *doc_data;
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397 | doc_data++; //increment to get next item in array (oid)
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398 | text_t document_OID = *doc_data;
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399 |
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400 | //create html link to related document
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401 | relation += "<a href=\"_httpdocument_&c=" + document_collection;
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402 | relation += "&cl=search&d=" + document_OID;
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403 |
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404 | //get the information associated with the metadata for related doc
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405 | if (get_info (document_OID, document_collection, metadata,
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406 | false, collectproto, response, logout)) {
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407 |
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408 | //if title metadata doesn't exist, collect subject metadata
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409 | //if that doesn't exist, just call it 'related document'
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410 | if (!response.docInfo[0].metadata["Title"].values[0].empty())
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411 | relationTitle = response.docInfo[0].metadata["Title"].values[0];
|
---|
412 | else if (!response.docInfo[0].metadata["Subject"].values.empty())
|
---|
413 | relationTitle = response.docInfo[0].metadata["Subject"].values[0];
|
---|
414 | else relationTitle = "RELATED DOCUMENT";
|
---|
415 |
|
---|
416 | }
|
---|
417 |
|
---|
418 | //link the related document's title to its page
|
---|
419 | relation += "\">" + relationTitle + "</a>";
|
---|
420 | relation += " (" + document_collection + ")<br>";
|
---|
421 |
|
---|
422 | currDoc++;
|
---|
423 | }
|
---|
424 | }
|
---|
425 |
|
---|
426 | }
|
---|
427 |
|
---|
428 | if(relation.empty()) //no relation data for documnet
|
---|
429 | relation = ".. no related documents .. ";
|
---|
430 |
|
---|
431 | return relation;
|
---|
432 | }
|
---|
433 |
|
---|
434 |
|
---|
435 |
|
---|
436 | static void get_parent_options (text_t &instring, metadata_t &metaoption) {
|
---|
437 |
|
---|
438 | assert (instring.size() > 7);
|
---|
439 | if (instring.size() <= 7) return;
|
---|
440 |
|
---|
441 | text_t meta, com, op;
|
---|
442 | bool inbraces = false;
|
---|
443 | bool inquotes = false;
|
---|
444 | bool foundcolon = false;
|
---|
445 | text_t::const_iterator here = instring.begin()+6;
|
---|
446 | text_t::const_iterator end = instring.end();
|
---|
447 | while (here != end) {
|
---|
448 | if (*here == '(') inbraces = true;
|
---|
449 | else if (*here == ')') inbraces = false;
|
---|
450 | else if (*here == '\'' && !inquotes) inquotes = true;
|
---|
451 | else if (*here == '\'' && inquotes) inquotes = false;
|
---|
452 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
453 | else if (foundcolon) meta.push_back (*here);
|
---|
454 | else if (inquotes) op.push_back (*here);
|
---|
455 | else com.push_back (*here);
|
---|
456 | here ++;
|
---|
457 | }
|
---|
458 | instring = meta;
|
---|
459 | if (com.empty())
|
---|
460 | metaoption.parentcommand = pImmediate;
|
---|
461 | else if (com == "Top")
|
---|
462 | metaoption.parentcommand = pTop;
|
---|
463 | else if (com == "All") {
|
---|
464 | metaoption.parentcommand = pAll;
|
---|
465 | metaoption.parentoptions = op;
|
---|
466 | }
|
---|
467 | }
|
---|
468 |
|
---|
469 | static void parse_meta (text_t &meta, metadata_t &metaoption,
|
---|
470 | text_tset &metadata, bool &getParents) {
|
---|
471 |
|
---|
472 | if (meta.size() > 8 && (substr(meta.begin(), meta.begin()+8) == "cgisafe:")) {
|
---|
473 | metaoption.metacommand = mCgiSafe;
|
---|
474 | meta = substr (meta.begin()+8, meta.end());
|
---|
475 | }
|
---|
476 |
|
---|
477 | if (meta.size() > 7 && (substr (meta.begin(), meta.begin()+6) == "parent")) {
|
---|
478 | getParents = true;
|
---|
479 | get_parent_options (meta, metaoption);
|
---|
480 | }
|
---|
481 |
|
---|
482 | metadata.insert (meta);
|
---|
483 | metaoption.metaname = meta;
|
---|
484 | }
|
---|
485 |
|
---|
486 | static void parse_meta (text_t &meta, format_t *formatlistptr,
|
---|
487 | text_tset &metadata, bool &getParents) {
|
---|
488 |
|
---|
489 | if (meta == "link")
|
---|
490 | formatlistptr->command = comLink;
|
---|
491 | else if (meta == "/link")
|
---|
492 | formatlistptr->command = comEndLink;
|
---|
493 |
|
---|
494 | else if (meta == "num")
|
---|
495 | formatlistptr->command = comNum;
|
---|
496 |
|
---|
497 | else if (meta == "icon")
|
---|
498 | formatlistptr->command = comIcon;
|
---|
499 |
|
---|
500 | else if (meta == "Text")
|
---|
501 | formatlistptr->command = comDoc;
|
---|
502 |
|
---|
503 | else if (meta == "RelatedDocuments")
|
---|
504 | formatlistptr->command = comRel;
|
---|
505 |
|
---|
506 | else if (meta == "highlight")
|
---|
507 | formatlistptr->command = comHighlight;
|
---|
508 |
|
---|
509 | else if (meta == "/highlight")
|
---|
510 | formatlistptr->command = comEndHighlight;
|
---|
511 |
|
---|
512 | else {
|
---|
513 | formatlistptr->command = comMeta;
|
---|
514 | parse_meta (meta, formatlistptr->meta, metadata, getParents);
|
---|
515 | }
|
---|
516 | }
|
---|
517 |
|
---|
518 | static bool parse_string (const text_t &formatstring, format_t *formatlistptr,
|
---|
519 | text_tset &metadata, bool &getParents) {
|
---|
520 |
|
---|
521 | text_t text;
|
---|
522 | text_t::const_iterator here = formatstring.begin();
|
---|
523 | text_t::const_iterator end = formatstring.end();
|
---|
524 |
|
---|
525 | while (here != end) {
|
---|
526 |
|
---|
527 | if (*here == '\\') {
|
---|
528 | here ++;
|
---|
529 | if (here != end) text.push_back (*here);
|
---|
530 |
|
---|
531 | } else if (*here == '{') {
|
---|
532 | if (!text.empty()) {
|
---|
533 | formatlistptr->command = comText;
|
---|
534 | formatlistptr->text = text;
|
---|
535 | formatlistptr->nextptr = new format_t();
|
---|
536 | formatlistptr = formatlistptr->nextptr;
|
---|
537 |
|
---|
538 | text.clear();
|
---|
539 | }
|
---|
540 | if (parse_action (++here, end, formatlistptr, metadata, getParents)) {
|
---|
541 |
|
---|
542 | formatlistptr->nextptr = new format_t();
|
---|
543 | formatlistptr = formatlistptr->nextptr;
|
---|
544 | if (here == end) break;
|
---|
545 | }
|
---|
546 | } else if (*here == '[') {
|
---|
547 | if (!text.empty()) {
|
---|
548 | formatlistptr->command = comText;
|
---|
549 | formatlistptr->text = text;
|
---|
550 | formatlistptr->nextptr = new format_t();
|
---|
551 | formatlistptr = formatlistptr->nextptr;
|
---|
552 |
|
---|
553 | text.clear();
|
---|
554 | }
|
---|
555 | text_t meta;
|
---|
556 | here ++;
|
---|
557 | while (*here != ']') {
|
---|
558 | if (here == end) return false;
|
---|
559 | meta.push_back (*here);
|
---|
560 | here ++;
|
---|
561 | }
|
---|
562 | parse_meta (meta, formatlistptr, metadata, getParents);
|
---|
563 | formatlistptr->nextptr = new format_t();
|
---|
564 | formatlistptr = formatlistptr->nextptr;
|
---|
565 |
|
---|
566 | } else
|
---|
567 | text.push_back (*here);
|
---|
568 |
|
---|
569 | if (here != end) here ++;
|
---|
570 | }
|
---|
571 | if (!text.empty()) {
|
---|
572 | formatlistptr->command = comText;
|
---|
573 | formatlistptr->text = text;
|
---|
574 | formatlistptr->nextptr = new format_t();
|
---|
575 | formatlistptr = formatlistptr->nextptr;
|
---|
576 |
|
---|
577 | }
|
---|
578 | return true;
|
---|
579 | }
|
---|
580 |
|
---|
581 |
|
---|
582 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
|
---|
583 | format_t *formatlistptr, text_tset &metadata, bool &getParents) {
|
---|
584 |
|
---|
585 | text_t::const_iterator it = findchar (here, end, '}');
|
---|
586 | if (it == end) return false;
|
---|
587 |
|
---|
588 | text_t com = substr (here, it);
|
---|
589 | here = findchar (it, end, '{');
|
---|
590 | if (here == end) return false;
|
---|
591 | else here ++;
|
---|
592 |
|
---|
593 | if (com == "If") formatlistptr->command = comIf;
|
---|
594 | else if (com == "Or") formatlistptr->command = comOr;
|
---|
595 | else return false;
|
---|
596 |
|
---|
597 | int commacount = 0;
|
---|
598 | text_t text;
|
---|
599 | while (here != end) {
|
---|
600 |
|
---|
601 | if (*here == '\\') {
|
---|
602 | here++;
|
---|
603 | if (here != end) text.push_back(*here);
|
---|
604 |
|
---|
605 | }
|
---|
606 |
|
---|
607 | else if (*here == ',' || *here == '}' || *here == '{') {
|
---|
608 |
|
---|
609 | if (formatlistptr->command == comOr) {
|
---|
610 | // the {Or}{this, or this, or this, or this} statement
|
---|
611 | format_t *or_ptr;
|
---|
612 |
|
---|
613 | // find the next unused orptr
|
---|
614 | if (formatlistptr->orptr == NULL) {
|
---|
615 | formatlistptr->orptr = new format_t();
|
---|
616 | or_ptr = formatlistptr->orptr;
|
---|
617 | } else {
|
---|
618 | or_ptr = formatlistptr->orptr;
|
---|
619 | while (or_ptr->nextptr != NULL)
|
---|
620 | or_ptr = or_ptr->nextptr;
|
---|
621 | or_ptr->nextptr = new format_t();
|
---|
622 | or_ptr = or_ptr->nextptr;
|
---|
623 | }
|
---|
624 |
|
---|
625 | if (!text.empty())
|
---|
626 | {
|
---|
627 | if (!parse_string(text, or_ptr, metadata, getParents)) { return false; }
|
---|
628 | }
|
---|
629 |
|
---|
630 | if (*here == '{')
|
---|
631 | {
|
---|
632 | // Supports: {Or}{[Booktitle],[Title],{If}{[XXXX],aaa,bbb}}
|
---|
633 | // but not : {Or}{[Booktitle],[Title]{If}{[XXXX],aaa,bbb}}
|
---|
634 | // The latter can always be re-written:
|
---|
635 | // {Or}{[Booktitle],{If}{[Title],[Title]{If}{[XXXX],aaa,bbb}}}
|
---|
636 |
|
---|
637 | if (!text.empty()) // already used up allocated format_t
|
---|
638 | {
|
---|
639 | // => allocate new one for detected action
|
---|
640 | or_ptr->nextptr = new format_t();
|
---|
641 | or_ptr = or_ptr->nextptr;
|
---|
642 | }
|
---|
643 | if (!parse_action(++here, end, or_ptr, metadata, getParents))
|
---|
644 | {
|
---|
645 | return false;
|
---|
646 | }
|
---|
647 | }
|
---|
648 | else
|
---|
649 | {
|
---|
650 | if (*here == '}') break;
|
---|
651 | }
|
---|
652 | text.clear();
|
---|
653 |
|
---|
654 | }
|
---|
655 |
|
---|
656 | // Parse an {If}{decide,do,else} statement
|
---|
657 | else {
|
---|
658 |
|
---|
659 | // Read the decision component.
|
---|
660 | if (commacount == 0) {
|
---|
661 | // Decsion can be a metadata element, or a piece of text.
|
---|
662 | // Originally Stefan's code, updated 25/10/2000 by Gordon.
|
---|
663 |
|
---|
664 | text_t::const_iterator beginbracket = text.begin();
|
---|
665 | text_t::const_iterator endbracket = (text.end() - 1);
|
---|
666 |
|
---|
667 | // Decision is based on a metadata element
|
---|
668 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
669 | // Ignore the surrounding square brackets
|
---|
670 | text_t meta = substr (beginbracket+1, endbracket);
|
---|
671 | parse_meta (meta, formatlistptr->decision.meta, metadata, getParents);
|
---|
672 | commacount ++;
|
---|
673 | text.clear();
|
---|
674 | }
|
---|
675 |
|
---|
676 | // Decision is a piece of text (probably a macro like _cgiargmode_).
|
---|
677 | else {
|
---|
678 | formatlistptr->decision.command = dText;
|
---|
679 | formatlistptr->decision.text = text;
|
---|
680 | commacount ++;
|
---|
681 | text.clear();
|
---|
682 | }
|
---|
683 | }
|
---|
684 |
|
---|
685 | // Read the "then" and "else" components of the {If} statement.
|
---|
686 | else {
|
---|
687 | format_t** nextlistptr = NULL;
|
---|
688 | if (commacount == 1) {
|
---|
689 | nextlistptr = &formatlistptr->ifptr;
|
---|
690 | } else if (commacount == 2 ) {
|
---|
691 | nextlistptr = &formatlistptr->elseptr;
|
---|
692 | } else {
|
---|
693 | return false;
|
---|
694 | }
|
---|
695 |
|
---|
696 | if (!text.empty()) {
|
---|
697 | if (*nextlistptr == NULL) {
|
---|
698 | *nextlistptr = new format_t();
|
---|
699 | } else {
|
---|
700 |
|
---|
701 | // skip to the end of any format_t statements already added
|
---|
702 | while ((*nextlistptr)->nextptr != NULL)
|
---|
703 | {
|
---|
704 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
705 | }
|
---|
706 |
|
---|
707 | (*nextlistptr)->nextptr = new format_t();
|
---|
708 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
709 | }
|
---|
710 |
|
---|
711 | if (!parse_string (text, *nextlistptr, metadata, getParents))
|
---|
712 | {
|
---|
713 | return false;
|
---|
714 | }
|
---|
715 | text.clear();
|
---|
716 | }
|
---|
717 |
|
---|
718 | if (*here == '{')
|
---|
719 | {
|
---|
720 | if (*nextlistptr == NULL) {
|
---|
721 | *nextlistptr = new format_t();
|
---|
722 | } else {
|
---|
723 | (*nextlistptr)->nextptr = new format_t();
|
---|
724 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
725 | }
|
---|
726 |
|
---|
727 | if (!parse_action(++here, end, *nextlistptr, metadata, getParents))
|
---|
728 | {
|
---|
729 | return false;
|
---|
730 | }
|
---|
731 | }
|
---|
732 | else
|
---|
733 | {
|
---|
734 | if (*here == '}') break;
|
---|
735 | commacount ++;
|
---|
736 | }
|
---|
737 | }
|
---|
738 | }
|
---|
739 |
|
---|
740 | } else text.push_back(*here);
|
---|
741 |
|
---|
742 | if (here != end) here ++;
|
---|
743 | }
|
---|
744 |
|
---|
745 | return true;
|
---|
746 | }
|
---|
747 |
|
---|
748 |
|
---|
749 | bool parse_formatstring (const text_t &formatstring, format_t *formatlistptr,
|
---|
750 | text_tset &metadata, bool &getParents) {
|
---|
751 |
|
---|
752 | formatlistptr->clear();
|
---|
753 | getParents = false;
|
---|
754 |
|
---|
755 | return (parse_string (formatstring, formatlistptr, metadata, getParents));
|
---|
756 | }
|
---|
757 |
|
---|
758 |
|
---|
759 | // note: all the format_date stuff is assuming that all Date metadata is going to
|
---|
760 | // be of the form yyyymmdd, this is of course, crap ;)
|
---|
761 |
|
---|
762 | static text_t get_meta (ResultDocInfo_t &docinfo, const metadata_t &meta) {
|
---|
763 |
|
---|
764 | // make sure we have the requested metadata
|
---|
765 | MetadataInfo_tmap::iterator it = docinfo.metadata.find (meta.metaname);
|
---|
766 | if (it == docinfo.metadata.end()) return "";
|
---|
767 |
|
---|
768 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
769 |
|
---|
770 | switch (meta.parentcommand) {
|
---|
771 | case pNone:
|
---|
772 | {
|
---|
773 | text_t classifier_metaname = docinfo.classifier_metadata_type;
|
---|
774 | int metaname_index
|
---|
775 | = (classifier_metaname == meta.metaname) ? docinfo.classifier_metadata_offset : 0;
|
---|
776 | text_t metadata_item = docinfo.metadata[meta.metaname].values[metaname_index];
|
---|
777 |
|
---|
778 | if (meta.metaname == "Date")
|
---|
779 | return format_date (metadata_item);
|
---|
780 | else if (meta.metaname == "Language")
|
---|
781 | return iso639(metadata_item);
|
---|
782 | if (meta.metacommand == mCgiSafe)
|
---|
783 | return cgi_safe (metadata_item);
|
---|
784 | else return metadata_item;
|
---|
785 | }
|
---|
786 |
|
---|
787 | case pImmediate:
|
---|
788 | if (parent != NULL) {
|
---|
789 | if (meta.metaname == "Date")
|
---|
790 | return format_date (parent->values[0]);
|
---|
791 | if (meta.metacommand == mCgiSafe)
|
---|
792 | return cgi_safe (parent->values[0]);
|
---|
793 | else return parent->values[0];
|
---|
794 | }
|
---|
795 | break;
|
---|
796 |
|
---|
797 | case pTop:
|
---|
798 | if (parent != NULL) {
|
---|
799 | while (parent->parent != NULL) parent = parent->parent;
|
---|
800 |
|
---|
801 | if (meta.metaname == "Date")
|
---|
802 | return format_date (parent->values[0]);
|
---|
803 | if (meta.metacommand == mCgiSafe)
|
---|
804 | return cgi_safe (parent->values[0]);
|
---|
805 | else return parent->values[0];
|
---|
806 | }
|
---|
807 | break;
|
---|
808 |
|
---|
809 | case pAll:
|
---|
810 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
811 | if (parent != NULL) {
|
---|
812 | text_tarray tmparray;
|
---|
813 | while (parent != NULL) {
|
---|
814 | tmparray.push_back (parent->values[0]);
|
---|
815 | parent = parent->parent;
|
---|
816 | }
|
---|
817 | bool first = true;
|
---|
818 | text_t tmp;
|
---|
819 | text_tarray::reverse_iterator here = tmparray.rbegin();
|
---|
820 | text_tarray::reverse_iterator end = tmparray.rend();
|
---|
821 | while (here != end) {
|
---|
822 | if (!first) tmp += meta.parentoptions;
|
---|
823 | if (meta.metaname == "Date") tmp += format_date (*here);
|
---|
824 | else tmp += *here;
|
---|
825 | first = false;
|
---|
826 | here ++;
|
---|
827 | }
|
---|
828 | if (meta.metacommand == mCgiSafe) return cgi_safe (tmp);
|
---|
829 | else return tmp;
|
---|
830 | }
|
---|
831 | }
|
---|
832 | return "";
|
---|
833 | }
|
---|
834 |
|
---|
835 | static text_t get_or (const text_t& collection, recptproto* collectproto,
|
---|
836 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
837 | format_t *orptr,
|
---|
838 | const text_t &link, const text_t &icon,
|
---|
839 | const text_t &text, bool highlight,
|
---|
840 | ostream& logout) {
|
---|
841 |
|
---|
842 | text_t tmp;
|
---|
843 | while (orptr != NULL) {
|
---|
844 |
|
---|
845 | tmp = format_string (collection,collectproto, docinfo, disp, orptr,
|
---|
846 | link, icon, text, highlight, logout);
|
---|
847 | if (!tmp.empty()) return tmp;
|
---|
848 |
|
---|
849 | orptr = orptr->nextptr;
|
---|
850 | }
|
---|
851 | return "";
|
---|
852 | }
|
---|
853 |
|
---|
854 | static text_t get_if (const text_t& collection, recptproto* collectproto,
|
---|
855 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
856 | const decision_t &decision,
|
---|
857 | format_t *ifptr, format_t *elseptr, const text_t &link,
|
---|
858 | const text_t &icon, const text_t &text, bool highlight,
|
---|
859 | ostream& logout)
|
---|
860 | {
|
---|
861 |
|
---|
862 | // If the decision component is a metadata element, then evaluate it
|
---|
863 | // to see whether we output the "then" or the "else" clause
|
---|
864 | if (decision.command == dMeta) {
|
---|
865 | if (get_meta (docinfo, decision.meta) != "") {
|
---|
866 | if (ifptr != NULL)
|
---|
867 | return get_formatted_string (collection,collectproto, docinfo, disp, ifptr,
|
---|
868 | link, icon, text, highlight, logout);
|
---|
869 | }
|
---|
870 | else {
|
---|
871 | if (elseptr != NULL)
|
---|
872 | return get_formatted_string (collection,collectproto, docinfo, disp, elseptr,
|
---|
873 | link, icon, text, highlight, logout);
|
---|
874 | }
|
---|
875 | }
|
---|
876 |
|
---|
877 | // If the decision component is text, then evaluate it (it is probably a
|
---|
878 | // macro like _cgiargmode_) to decide what to output.
|
---|
879 | else if (decision.command == dText) {
|
---|
880 |
|
---|
881 | text_t outstring;
|
---|
882 | disp.expandstring (decision.text, outstring);
|
---|
883 |
|
---|
884 | // This is a tad tricky. When we expand a string like _cgiargmode_, that is
|
---|
885 | // a cgi argument macro that has not been set, it evaluates to itself.
|
---|
886 | // Therefore, were have to say that a piece of text evalautes true if
|
---|
887 | // it is non-empty and if it is a cgi argument evaulating to itself.
|
---|
888 | if ((outstring != "") && !((outstring == decision.text) && (outstring[0] == '_'))) {
|
---|
889 | if (ifptr != NULL)
|
---|
890 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
891 | link, icon, text, highlight, logout);
|
---|
892 | } else {
|
---|
893 | if (elseptr != NULL)
|
---|
894 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
895 | link, icon, text, highlight, logout);
|
---|
896 | }
|
---|
897 | }
|
---|
898 |
|
---|
899 | return "";
|
---|
900 | }
|
---|
901 |
|
---|
902 | bool includes_metadata(const text_t& text)
|
---|
903 | {
|
---|
904 | text_t::const_iterator here = text.begin();
|
---|
905 | text_t::const_iterator end = text.end();
|
---|
906 | while (here != end) {
|
---|
907 | if (*here == '[') return true;
|
---|
908 | here ++;
|
---|
909 | }
|
---|
910 |
|
---|
911 | return false;
|
---|
912 | }
|
---|
913 |
|
---|
914 |
|
---|
915 |
|
---|
916 | text_t format_string (const text_t& collection, recptproto* collectproto,
|
---|
917 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
918 | format_t *formatlistptr,
|
---|
919 | const text_t &link, const text_t &icon,
|
---|
920 | const text_t &text, bool highlight,
|
---|
921 | ostream& logout) {
|
---|
922 |
|
---|
923 | if (formatlistptr == NULL) return "";
|
---|
924 |
|
---|
925 | switch (formatlistptr->command) {
|
---|
926 | case comText:
|
---|
927 | return formatlistptr->text;
|
---|
928 | case comLink:
|
---|
929 | return link;
|
---|
930 | case comEndLink:
|
---|
931 | if (link.empty()) return "";
|
---|
932 | else return "</a>";
|
---|
933 | case comIcon:
|
---|
934 | return icon;
|
---|
935 | case comNum:
|
---|
936 | return docinfo.result_num;
|
---|
937 | case comRel: //if [RelatedDocuments] appears in format string, collect relation data
|
---|
938 | return get_related_docs(collection, collectproto, docinfo, logout);
|
---|
939 | case comMeta:
|
---|
940 |
|
---|
941 | {
|
---|
942 | const text_t& metavalue = get_meta (docinfo, formatlistptr->meta);
|
---|
943 |
|
---|
944 | if (includes_metadata(metavalue))
|
---|
945 | {
|
---|
946 | // text has embedded metadata in it => expand it
|
---|
947 | FilterRequest_t request;
|
---|
948 | FilterResponse_t response;
|
---|
949 |
|
---|
950 | request.getParents = false;
|
---|
951 |
|
---|
952 | format_t *expanded_formatlistptr = new format_t();
|
---|
953 | parse_formatstring (metavalue, expanded_formatlistptr,
|
---|
954 | request.fields, request.getParents);
|
---|
955 |
|
---|
956 | // retrieve metadata
|
---|
957 | get_info(docinfo.OID, collection, request.fields, request.getParents,
|
---|
958 | collectproto, response, logout);
|
---|
959 |
|
---|
960 | if (!response.docInfo.empty())
|
---|
961 | {
|
---|
962 | text_t expanded_metavalue
|
---|
963 | = get_formatted_string(collection, collectproto,
|
---|
964 | response.docInfo[0], disp, expanded_formatlistptr,
|
---|
965 | link, icon, highlight, logout);
|
---|
966 |
|
---|
967 | return expanded_metavalue;
|
---|
968 | }
|
---|
969 | else
|
---|
970 | {
|
---|
971 | return metavalue;
|
---|
972 | }
|
---|
973 | }
|
---|
974 | else
|
---|
975 | {
|
---|
976 | return metavalue;
|
---|
977 | }
|
---|
978 | }
|
---|
979 | case comDoc:
|
---|
980 | return text;
|
---|
981 | case comHighlight:
|
---|
982 | if (highlight) return "<b>";
|
---|
983 | break;
|
---|
984 | case comEndHighlight:
|
---|
985 | if (highlight) return "</b>";
|
---|
986 | break;
|
---|
987 | case comIf:
|
---|
988 | return get_if (collection, collectproto, docinfo, disp,
|
---|
989 | formatlistptr->decision, formatlistptr->ifptr,
|
---|
990 | formatlistptr->elseptr, link, icon, text, highlight,
|
---|
991 | logout);
|
---|
992 | case comOr:
|
---|
993 | return get_or (collection,collectproto, docinfo, disp, formatlistptr->orptr,
|
---|
994 | link, icon, text, highlight, logout);
|
---|
995 | }
|
---|
996 | return "";
|
---|
997 | }
|
---|
998 |
|
---|
999 |
|
---|
1000 |
|
---|
1001 |
|
---|
1002 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
1003 | ResultDocInfo_t& docinfo, displayclass &disp,
|
---|
1004 | format_t* formatlistptr,
|
---|
1005 | const text_t& link, const text_t& icon,
|
---|
1006 | const text_t& text, const bool highlight,
|
---|
1007 | ostream& logout) {
|
---|
1008 |
|
---|
1009 | text_t ft;
|
---|
1010 | while (formatlistptr != NULL)
|
---|
1011 | {
|
---|
1012 | ft += format_string (collection, collectproto, docinfo, disp, formatlistptr,
|
---|
1013 | link, icon, text, highlight, logout);
|
---|
1014 | formatlistptr = formatlistptr->nextptr;
|
---|
1015 | }
|
---|
1016 |
|
---|
1017 | return ft;
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
1021 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1022 | format_t *formatlistptr,
|
---|
1023 | const text_t &link, const text_t &icon,
|
---|
1024 | const bool highlight,
|
---|
1025 | ostream& logout) {
|
---|
1026 |
|
---|
1027 | text_t text = "";
|
---|
1028 |
|
---|
1029 | return get_formatted_string(collection, collectproto, docinfo, disp, formatlistptr,
|
---|
1030 | link, icon, text, highlight, logout);
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
1034 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1035 | format_t *formatlistptr,
|
---|
1036 | const text_t& text,
|
---|
1037 | ostream& logout) {
|
---|
1038 |
|
---|
1039 | text_t link = "<a href=\"_httpdocument_&cl=search&d=" + docinfo.OID + "\">";
|
---|
1040 | text_t icon = "_icontext_";
|
---|
1041 | bool highlight = false;
|
---|
1042 |
|
---|
1043 | return get_formatted_string(collection, collectproto, docinfo, disp, formatlistptr,
|
---|
1044 | link, icon, text, highlight, logout);
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
1048 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1049 | format_t *formatlistptr,
|
---|
1050 | ostream& logout) {
|
---|
1051 |
|
---|
1052 | text_t text = "";
|
---|
1053 |
|
---|
1054 | return get_formatted_string(collection, collectproto, docinfo, disp, formatlistptr,
|
---|
1055 | text, logout);
|
---|
1056 | }
|
---|
1057 |
|
---|
1058 |
|
---|
1059 |
|
---|
1060 |
|
---|
1061 |
|
---|
1062 |
|
---|
1063 |
|
---|