1 | /**********************************************************************
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2 | *
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3 | * hlistbrowserclass.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 "hlistbrowserclass.h"
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27 | #include <assert.h>
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28 | #include "recptprototools.h"
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29 |
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30 | hlistbrowserclass::hlistbrowserclass () {
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31 | }
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32 |
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33 | hlistbrowserclass::~hlistbrowserclass () {
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34 | }
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35 |
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36 | // returns the name that specifies the browserclass type
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37 | text_t hlistbrowserclass::get_browser_name () {
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38 | return "HList";
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39 | }
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40 |
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41 | browserclass* hlistbrowserclass::clone()
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42 | {
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43 | return new hlistbrowserclass();
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44 | }
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45 |
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46 | void hlistbrowserclass::load_metadata_defaults (text_tset &metadata) {
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47 | metadata.insert ("doctype");
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48 | }
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49 |
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50 | text_t hlistbrowserclass::get_default_formatstring () {
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51 | return "[link][highlight][Title][/highlight][/link]";
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52 | }
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53 |
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54 | // need to change OID to it's child
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55 | void hlistbrowserclass::processOID (cgiargsclass &args, recptproto *collectproto,
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56 | ostream &logout) {
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57 |
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58 | text_t OID = args["d"];
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59 | bool is_classify = false;
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60 | if (OID.empty()) {
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61 | is_classify = true;
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62 | OID = args["cl"];
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63 | }
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64 |
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65 | FilterResponse_t response;
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66 | text_tset metadata;
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67 | metadata.insert ("childtype");
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68 | text_t classifytype = "Invisible";
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69 | text_tarray OIDs;
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70 |
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71 | while (classifytype == "Invisible" || classifytype == "HList") {
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72 | OIDs.erase (OIDs.begin(), OIDs.end());
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73 |
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74 | OIDs.push_back (OID);
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75 | OIDs.push_back (OID + ".fc");
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76 |
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77 | get_info (OIDs, args["c"], args["l"], metadata, false, collectproto, response, logout);
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78 |
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79 | // Avoid infinite loops in strange situations by checking that the OID has changed
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80 | if (response.docInfo[1].OID == OID) {
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81 | break;
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82 | }
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83 | OID = response.docInfo[1].OID;
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84 | classifytype = response.docInfo[1].metadata["childtype"].values[0];
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85 | }
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86 | if (is_classify) args["cl"] = OID;
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87 | else args["d"] = OID;
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88 | }
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89 |
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90 | int hlistbrowserclass::output_section_group (ResultDocInfo_t §ion, cgiargsclass &args,
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91 | const text_t& collection, int colnumber,
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92 | format_t *formatlistptr, bool use_table,
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93 | text_tset &metadata, bool &getParents,
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94 | recptproto *collectproto, displayclass &disp,
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95 | outconvertclass &outconvert, ostream &textout,
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96 | ostream &logout) {
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97 |
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98 | // expanded contents are going to cause some nasty recursions
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99 | // so we'll only continue if being passed the current section
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100 | if ((args["gc"] == 1) && (section.OID != args["d"])) return 0;
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101 |
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102 | // get all siblings
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103 | FilterResponse_t response;
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104 | text_t &arg_cl = args["cl"];
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105 | get_children (section.OID + ".pr", args["c"], args["l"], metadata, getParents,
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106 | collectproto, response, logout);
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107 |
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108 | /* use_table is set to true if the format string starts with <td> */
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109 | if (use_table || colnumber > 0) {
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110 | textout << outconvert << "<table><tr><td>";
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111 | // get tab size
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112 | text_t tab; int itab;
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113 | disp.expandstring (displayclass::defaultpackage, "_tabwidth_", tab);
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114 | itab = tab.getint();
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115 | if (colnumber > 0) textout << outconvert << disp
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116 | << "<img alt=\"\" src=\"_httpimg_/space.gif\" width=\""
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117 | << (itab*colnumber) << "\"/>";
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118 | textout << outconvert << "</td>\n";
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119 | }
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120 |
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121 | if (use_table)
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122 | textout << outconvert << "<table class=\"h_list\"><tr>\n";
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123 | else
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124 | textout << outconvert << "<div class=\"h_list\">\n";
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125 |
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126 | ResultDocInfo_tarray::iterator tsibling = response.docInfo.begin();
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127 | ResultDocInfo_tarray::iterator esibling = response.docInfo.end();
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128 |
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129 | text_t icon, link;
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130 |
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131 | while (tsibling != esibling) {
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132 |
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133 | bool highlight = false;
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134 | text_t &doctype = (*tsibling).metadata["doctype"].values[0];
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135 |
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136 | if ((*tsibling).OID == section.OID) {
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137 | link.clear();
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138 | highlight = true;
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139 | } else {
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140 | link = "<a href=\"_httpdocument_";
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141 | if (doctype == "classify")
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142 | link += "&cl=" + (*tsibling).OID + "\">";
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143 | else {
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144 | link += "&cl=" + arg_cl + "&d=" + (*tsibling).OID;// + "\">";
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145 | // [modification to allow default document detach settings -- kjdon]
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146 | if (args["xx"]=="1") {
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147 | // documents should be detached
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148 | link += "&x=1\" target=\"_blank\">";
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149 | } else {
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150 | link += "\">";
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151 | }
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152 | }
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153 | }
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154 |
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155 | text_tmap options;
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156 | options["link"] = link;
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157 | options["icon"] = icon;
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158 | if (highlight) options["highlight"] = "1";
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159 | else options["highlight"] = "0";
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160 |
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161 | text_t fmt_str=get_formatted_string (collection, collectproto,
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162 | *tsibling, disp, formatlistptr,
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163 | options, logout);
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164 |
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165 | text_t span_class = "h_item";
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166 | if (highlight) {
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167 | // the current option
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168 | span_class += " h_item_current";
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169 | }
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170 |
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171 | textout << outconvert << "<span class=\""<<span_class<<"\">" << disp << fmt_str << "</span>\n";
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172 | ++tsibling;
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173 | }
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174 |
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175 | if (use_table)
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176 | textout << outconvert << "</tr></table>\n";
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177 | else
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178 | textout << outconvert << "</div>\n";
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179 |
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180 | if (use_table || colnumber > 0) textout << outconvert << "</tr></table>\n";
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181 |
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182 | return 0;
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183 | }
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184 |
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185 | int hlistbrowserclass::output_section_group (FilterResponse_t &/*sections*/, cgiargsclass &/*args*/,
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186 | const text_t &/*collection*/, int /*colnumber*/,
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187 | format_t * /*formatlistptr*/, bool /*use_table*/,
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188 | text_tset &/*metadata*/, bool &/*getParents*/,
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189 | recptproto * /*collectproto*/, displayclass &/*disp*/,
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190 | outconvertclass &/*outconvert*/, ostream &/*textout*/,
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191 | ostream &/*logout*/) {
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192 | return 0;
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193 | }
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