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 "gsdltools.h"
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29 | #include "recptprototools.h"
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30 | #include "OIDtools.h"
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31 | #include "summarise.h"
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32 |
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33 | #include <assert.h>
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34 |
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35 | static bool metadata_wrap = false;
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36 | static text_t metadata_wrap_type = "";
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37 |
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38 | // a few function prototypes
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39 |
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40 | static text_t format_string (const text_t& collection, recptproto* collectproto,
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41 | ResultDocInfo_t &docinfo, displayclass &disp,
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42 | format_t *formatlistptr, text_tmap &options,
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43 | ostream& logout);
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44 |
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45 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
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46 | format_t *formatlistptr, text_tset &metadata, bool &getParents);
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47 |
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48 | static text_t format_summary (const text_t& collection, recptproto* collectproto,
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49 | ResultDocInfo_t &docinfo, displayclass &disp,
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50 | text_tmap &options, ostream& logout);
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51 | static text_t format_text (const text_t& collection, recptproto* collectproto,
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52 | ResultDocInfo_t &docinfo, displayclass &disp,
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53 | text_tmap &options, ostream& logout);
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54 |
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55 | static text_t expand_metadata(const text_t &metavalue, const text_t& collection,
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56 | recptproto* collectproto, ResultDocInfo_t &docinfo,
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57 | displayclass &disp, text_tmap &options,
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58 | ostream &logout);
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59 |
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60 |
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61 | void metadata_t::clear() {
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62 | metaname.clear();
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63 | metacommand = mNone;
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64 | mqualifier.parent = pNone;
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65 | mqualifier.sibling = sNone;
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66 | mqualifier.child = cNone;
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67 | pre_tree_traverse.clear();
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68 | parentoptions.clear();
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69 | siblingoptions.clear();
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70 | childoptions.clear();
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71 | }
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72 |
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73 | void decision_t::clear() {
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74 | command = dMeta;
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75 | meta.clear();
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76 | text.clear();
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77 | }
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78 |
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79 | format_t::~format_t()
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80 | {
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81 | if (nextptr != NULL) delete nextptr;
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82 | if (ifptr != NULL) delete ifptr;
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83 | if (elseptr != NULL) delete elseptr;
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84 | if (orptr != NULL) delete orptr;
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85 | }
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86 |
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87 | void format_t::clear() {
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88 | command = comText;
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89 | decision.clear();
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90 | text.clear();
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91 | meta.clear();
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92 | nextptr = NULL;
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93 | ifptr = NULL;
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94 | elseptr = NULL;
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95 | orptr = NULL;
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96 | }
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97 |
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98 | void formatinfo_t::clear() {
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99 | DocumentImages = false;
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100 | DocumentTitles = true;
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101 | DocumentHeading = "{Or}{[parent(Top):Title],[Title],untitled}<br>";
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102 | DocumentContents = true;
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103 | DocumentArrowsBottom = true;
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104 | DocumentArrowsTop = false;
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105 | DocumentSearchResultLinks = false;
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106 | DocumentButtons.erase (DocumentButtons.begin(), DocumentButtons.end());
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107 | // DocumentButtons.push_back ("Expand Text");
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108 | // DocumentButtons.push_back ("Expand Contents");
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109 | DocumentButtons.push_back ("Detach");
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110 | DocumentButtons.push_back ("Highlight");
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111 | RelatedDocuments = "";
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112 | DocumentText = "[Text]";
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113 | formatstrings.erase (formatstrings.begin(), formatstrings.end());
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114 | DocumentUseHTML = false;
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115 | AllowExtendedOptions = false;
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116 | }
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117 |
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118 | // simply checks to see if formatstring begins with a <td> tag
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119 | bool is_table_content (const text_t &formatstring) {
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120 | text_t::const_iterator here = formatstring.begin();
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121 | text_t::const_iterator end = formatstring.end();
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122 |
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123 | while (here != end) {
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124 | if (*here != ' ') {
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125 | if ((*here == '<') && ((here+3) < end)) {
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126 | if ((*(here+1) == 't' || *(here+1) == 'T') &&
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127 | (*(here+2) == 'd' || *(here+2) == 'D') &&
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128 | (*(here+3) == '>' || *(here+3) == ' '))
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129 | return true;
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130 | } else return false;
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131 | }
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132 | ++here;
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133 | }
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134 | return false;
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135 | }
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136 |
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137 | bool is_table_content (const format_t *formatlistptr) {
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138 |
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139 | if (formatlistptr == NULL) return false;
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140 |
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141 | if (formatlistptr->command == comText)
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142 | return is_table_content (formatlistptr->text);
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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 | // returns false if key isn't in formatstringmap
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148 | bool get_formatstring (const text_t &key, const text_tmap &formatstringmap,
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149 | text_t &formatstring) {
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150 |
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151 | formatstring.clear();
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152 | text_tmap::const_iterator it = formatstringmap.find(key);
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153 | if (it == formatstringmap.end()) return false;
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154 | formatstring = (*it).second;
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155 | return true;
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156 | }
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157 |
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158 | // tries to find "key1key2" then "key1" then "key2"
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159 | bool get_formatstring (const text_t &key1, const text_t &key2,
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160 | const text_tmap &formatstringmap,
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161 | text_t &formatstring) {
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162 |
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163 | formatstring.clear();
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164 | text_tmap::const_iterator it = formatstringmap.find(key1 + key2);
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165 | if (it != formatstringmap.end()) {
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166 | formatstring = (*it).second;
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167 | return true;
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168 | }
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169 | it = formatstringmap.find(key1);
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170 | if (it != formatstringmap.end()) {
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171 | formatstring = (*it).second;
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172 | return true;
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173 | }
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174 | it = formatstringmap.find(key2);
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175 | if (it != formatstringmap.end()) {
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176 | formatstring = (*it).second;
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177 | return true;
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178 | }
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179 | return false;
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180 | }
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181 |
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182 |
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183 | text_t remove_namespace(const text_t &meta_name) {
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184 | text_t::const_iterator end = meta_name.end();
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185 | text_t::const_iterator it = findchar(meta_name.begin(), end, '.');
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186 | if (it != end) {
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187 | return substr(it+1, end);
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188 | }
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189 |
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190 | return meta_name;
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191 |
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192 | }
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193 | // returns a date of form _format:date_(year, month, day)
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194 | // input is date of type yyyy-?mm-?dd
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195 | // at least the year must be present in date
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196 | text_t format_date (const text_t &date) {
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197 |
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198 | if (date.size() < 4) return "";
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199 |
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200 | text_t::const_iterator datebegin = date.begin();
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201 |
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202 | text_t year = substr (datebegin, datebegin+4);
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203 | int chars_seen_so_far = 4;
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204 | if (chars_seen_so_far == date.size()) return "_format:date_("+year+")";
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205 |
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206 | if (date[chars_seen_so_far] == '-') ++chars_seen_so_far ;
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207 | if (date.size() < chars_seen_so_far+2) return "_format:date_("+year+")";
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208 |
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209 | text_t month = substr (datebegin+chars_seen_so_far, datebegin+chars_seen_so_far+2);
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210 | int imonth = month.getint();
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211 | if (imonth <= 0 || imonth > 12) return "_format:date_("+year+")";
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212 |
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213 | chars_seen_so_far += 2;
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214 | if (chars_seen_so_far == date.size()) return "_format:date_("+year+","+month+")";
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215 |
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216 | if (date[chars_seen_so_far] == '-') ++chars_seen_so_far ;
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217 | if (date.size() < chars_seen_so_far+2) return "_format:date_("+year+","+month+")";
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218 |
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219 | text_t day = substr (datebegin+chars_seen_so_far, datebegin+chars_seen_so_far+2);
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220 | if (day[0] == '0') day = substr (day.begin()+1, day.end());
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221 | int iday = day.getint();
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222 | if (iday <= 0 || iday > 31) return "_format:date_("+year+","+month+")";
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223 |
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224 | return "_format:date_("+year+","+month+","+day+")";
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225 | }
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226 |
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227 | // converts an iso639 language code to its English equivalent
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228 | // should we be checking that the macro exists??
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229 | text_t iso639 (const text_t &langcode) {
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230 | if (langcode.empty()) return "";
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231 | return "_iso639:iso639"+langcode+"_";
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232 | }
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233 |
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234 |
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235 | text_t get_href (const text_t &link) {
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236 |
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237 | text_t href;
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238 |
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239 | text_t::const_iterator here = findchar(link.begin(), link.end(), '"');
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240 | text_t::const_iterator end = link.end();
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241 | if (here == end) return g_EmptyText;
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242 |
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243 | ++here;
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244 | while (here != end) {
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245 | if (*here == '"') break;
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246 | href.push_back(*here);
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247 | ++here;
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248 | }
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249 |
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250 | return href;
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251 | }
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252 |
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253 | //this function gets the information associated with the relation
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254 | //metadata for the document associated with 'docinfo'. This relation
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255 | //metadata consists of a line of pairs containing 'collection, document OID'
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256 | //(this is the OID of the document related to the current document, and
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257 | //the collection the related document belongs to). For each of these pairs
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258 | //the title metadata is obtained and then an html link between the title
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259 | //of the related doc and the document's position (the document will be
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260 | //found in "<a href=\"_httpdocument_&c=collection&cl=search&d=OID">
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261 | //(where collection is the related documents collection, and OID is the
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262 | //related documents OID). A list of these html links are made for as many
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263 | //related documents as there are. This list is then returned. If there are
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264 | //no related documents available for the current document then the string
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265 | //'.. no related documents .. ' is returned.
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266 | text_t get_related_docs(const text_t& collection, recptproto* collectproto,
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267 | ResultDocInfo_t &docinfo, ostream& logout){
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268 |
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269 | text_tset metadata;
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270 |
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271 | //insert the metadata we wish to collect
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272 | metadata.insert("dc.Relation");
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273 | metadata.insert("Title");
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274 | metadata.insert("Subject"); //for emails, where title data doesn't apply
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275 |
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276 | FilterResponse_t response;
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277 | text_t relation = ""; //string for displaying relation metadata
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278 | text_t relationTitle = ""; //the related documents Title (or subject)
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279 | text_t relationOID = ""; //the related documents OID
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280 |
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281 | //get the information associated with the metadata for current doc
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282 | if (get_info (docinfo.OID, collection, "", metadata,
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283 | false, collectproto, response, logout)) {
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284 |
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285 | //if the relation metadata exists, store for displaying
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286 | if(!response.docInfo[0].metadata["dc.Relation"].values.empty()){
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287 | relationOID += response.docInfo[0].metadata["dc.Relation"].values[0];
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288 |
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289 | //split relation data into pairs of collectionname,ID number
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290 | text_tarray relationpairs;
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291 | splitchar (relationOID.begin(), relationOID.end(), ' ', relationpairs);
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292 |
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293 | text_tarray::const_iterator currDoc = relationpairs.begin();
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294 | text_tarray::const_iterator lastDoc = relationpairs.end();
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295 |
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296 | //iterate through the pairs to split and display
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297 | while(currDoc != lastDoc){
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298 |
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299 | //split pairs into collectionname and ID
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300 | text_tarray relationdata;
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301 | splitchar ((*currDoc).begin(), (*currDoc).end(), ',', relationdata);
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302 |
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303 | //get first element in the array (collection)
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304 | text_tarray::const_iterator doc_data = relationdata.begin();
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305 | text_t document_collection = *doc_data;
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306 | ++doc_data; //increment to get next item in array (oid)
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307 | text_t document_OID = *doc_data;
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308 |
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309 | //create html link to related document
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310 | relation += "<a href=\"_httpdocument_&c=" + document_collection;
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311 | relation += "&cl=search&d=" + document_OID;
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312 |
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313 | //get the information associated with the metadata for related doc
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314 | if (get_info (document_OID, document_collection, "", metadata,
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315 | false, collectproto, response, logout)) {
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316 |
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317 | //if title metadata doesn't exist, collect subject metadata
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318 | //if that doesn't exist, just call it 'related document'
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319 | if (!response.docInfo[0].metadata["Title"].values[0].empty())
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320 | relationTitle = response.docInfo[0].metadata["Title"].values[0];
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321 | else if (!response.docInfo[0].metadata["Subject"].values.empty())
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322 | relationTitle = response.docInfo[0].metadata["Subject"].values[0];
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323 | else relationTitle = "RELATED DOCUMENT";
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324 |
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325 | }
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326 |
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327 | //link the related document's title to its page
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328 | relation += "\">" + relationTitle + "</a>";
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329 | relation += " (" + document_collection + ")<br>";
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330 |
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331 | ++currDoc;
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332 | }
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333 | }
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334 |
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335 | }
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336 |
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337 | if(relation.empty()) //no relation data for documnet
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338 | relation = ".. no related documents .. ";
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339 |
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340 | return relation;
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341 | }
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342 |
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343 |
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344 |
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345 | static void get_parent_options (text_t &instring, metadata_t &metaoption) {
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346 |
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347 | assert (instring.size() > 7);
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348 | if (instring.size() <= 7) return;
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349 |
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350 | text_t meta, com, op;
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351 | bool inbraces = false;
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352 | bool inquotes = false;
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353 | bool foundcolon = false;
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354 | text_t::const_iterator here = instring.begin()+6;
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355 | text_t::const_iterator end = instring.end();
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356 | while (here != end) {
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357 | if (foundcolon) meta.push_back (*here);
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358 | else if (*here == '(') inbraces = true;
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359 | else if (*here == ')') inbraces = false;
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360 | else if (*here == '\'' && !inquotes) inquotes = true;
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361 | else if (*here == '\'' && inquotes) inquotes = false;
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362 | else if (*here == ':' && !inbraces) foundcolon = true;
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363 | else if (inquotes) op.push_back (*here);
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364 | else com.push_back (*here);
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365 | ++here;
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366 | }
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367 |
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368 | instring = meta;
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369 | if (com.empty())
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370 | metaoption.mqualifier.parent = pImmediate;
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371 | else if (com == "Top")
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372 | metaoption.mqualifier.parent = pTop;
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373 | else if (com == "All") {
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374 | metaoption.mqualifier.parent = pAll;
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375 | metaoption.parentoptions = op;
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376 | }
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377 | }
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378 |
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379 |
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380 | static void get_sibling_options (text_t &instring, metadata_t &metaoption) {
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381 |
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382 | assert (instring.size() > 8);
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383 | if (instring.size() <= 8) return;
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384 | text_t meta, com, op;
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385 | bool inbraces = false;
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386 | bool inquotes = false;
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387 | bool foundcolon = false;
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388 | text_t::const_iterator here = instring.begin()+7;
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389 | text_t::const_iterator end = instring.end();
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390 | while (here != end) {
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391 | if (foundcolon) meta.push_back (*here);
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392 | else if (*here == '(') inbraces = true;
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393 | else if (*here == ')') inbraces = false;
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394 | else if (*here == '\'' && !inquotes) inquotes = true;
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395 | else if (*here == '\'' && inquotes) inquotes = false;
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396 | else if (*here == ':' && !inbraces) foundcolon = true;
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397 | else if (inquotes) op.push_back (*here);
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398 | else com.push_back (*here);
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399 | ++here;
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400 | }
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401 |
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402 | instring = meta;
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403 | metaoption.siblingoptions.clear();
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404 |
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405 | if (com.empty()) {
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406 | metaoption.mqualifier.sibling = sAll;
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407 | metaoption.siblingoptions = " ";
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408 | }
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409 | else if (com == "first") {
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410 | metaoption.mqualifier.sibling = sNum;
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411 | metaoption.siblingoptions = "0";
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412 | }
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413 | else if (com == "last") {
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414 | metaoption.mqualifier.sibling = sNum;
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415 | metaoption.siblingoptions = "-2"; // == last
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416 | }
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417 | else if (com.getint()>0) {
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418 | metaoption.mqualifier.sibling = sNum;
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419 | int pos = com.getint()-1;
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420 | metaoption.siblingoptions +=pos;
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421 | }
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422 | else {
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423 | metaoption.mqualifier.sibling = sAll;
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424 | metaoption.siblingoptions = op;
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425 | }
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426 | }
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427 |
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428 | static void get_child_options (text_t &instring, metadata_t &metaoption) {
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429 |
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430 | assert (instring.size() > 6);
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431 | if (instring.size() <= 6) return;
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432 | text_t meta, com, op;
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433 | bool inbraces = false;
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434 | bool inquotes = false;
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435 | bool foundcolon = false;
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436 | text_t::const_iterator here = instring.begin()+5;
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437 | text_t::const_iterator end = instring.end();
|
---|
438 | while (here != end) {
|
---|
439 | if (foundcolon) meta.push_back (*here);
|
---|
440 | else if (*here == '(') inbraces = true;
|
---|
441 | else if (*here == ')') inbraces = false;
|
---|
442 | else if (*here == '\'' && !inquotes) inquotes = true;
|
---|
443 | else if (*here == '\'' && inquotes) inquotes = false;
|
---|
444 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
445 | else if (inquotes) op.push_back (*here);
|
---|
446 | else com.push_back (*here);
|
---|
447 | ++here;
|
---|
448 | }
|
---|
449 |
|
---|
450 | instring = meta;
|
---|
451 | if (com.empty()) {
|
---|
452 | metaoption.mqualifier.child = cAll;
|
---|
453 | metaoption.childoptions = " ";
|
---|
454 | }
|
---|
455 | else if (com == "first") {
|
---|
456 | metaoption.mqualifier.child = cNum;
|
---|
457 | metaoption.childoptions = ".fc";
|
---|
458 | }
|
---|
459 | else if (com == "last") {
|
---|
460 | metaoption.mqualifier.child = cNum;
|
---|
461 | metaoption.childoptions = ".lc";
|
---|
462 | }
|
---|
463 | else if (com.getint()>0) {
|
---|
464 | metaoption.mqualifier.child = cNum;
|
---|
465 | metaoption.childoptions = "."+com;
|
---|
466 | }
|
---|
467 | else {
|
---|
468 | metaoption.mqualifier.child = cAll;
|
---|
469 | metaoption.childoptions = op;
|
---|
470 | }
|
---|
471 | }
|
---|
472 |
|
---|
473 |
|
---|
474 | static void get_truncate_options (text_t &instring, metadata_t &metaoption)
|
---|
475 | {
|
---|
476 | assert (instring.size() > ((text_t) "truncate").size());
|
---|
477 | if (instring.size() <= ((text_t) "truncate").size()) return;
|
---|
478 | text_t meta, com;
|
---|
479 | bool inbraces = false;
|
---|
480 | bool foundcolon = false;
|
---|
481 | text_t::const_iterator here = instring.begin() + ((text_t) "truncate").size();
|
---|
482 | text_t::const_iterator end = instring.end();
|
---|
483 | while (here != end) {
|
---|
484 | if (foundcolon) meta.push_back (*here);
|
---|
485 | else if (*here == '(') inbraces = true;
|
---|
486 | else if (*here == ')') inbraces = false;
|
---|
487 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
488 | else com.push_back (*here);
|
---|
489 | ++here;
|
---|
490 | }
|
---|
491 |
|
---|
492 | instring = meta;
|
---|
493 |
|
---|
494 | if (!com.empty())
|
---|
495 | {
|
---|
496 | metaoption.siblingoptions = com;
|
---|
497 | }
|
---|
498 | else
|
---|
499 | {
|
---|
500 | // Default is 100 characters if not specified
|
---|
501 | metaoption.siblingoptions = "100";
|
---|
502 | }
|
---|
503 | }
|
---|
504 |
|
---|
505 |
|
---|
506 |
|
---|
507 | static void parse_meta (text_t &meta, metadata_t &metaoption,
|
---|
508 | text_tset &metadata, bool &getParents) {
|
---|
509 |
|
---|
510 | // Look for the various format statement modifiers
|
---|
511 | // This needs to be done in a loop otherwise not all combinations will be accepted, but actually the order
|
---|
512 | // is irrelevant because this is not stored in metaoption.metacommand anyway
|
---|
513 | bool keep_trying = true;
|
---|
514 | while (keep_trying)
|
---|
515 | {
|
---|
516 | keep_trying = false;
|
---|
517 |
|
---|
518 | if (meta.size() > ((text_t) "cgisafe:").size() && starts_with(meta, "cgisafe:"))
|
---|
519 | {
|
---|
520 | metaoption.metacommand |= mCgiSafe;
|
---|
521 | meta = substr(meta.begin() + ((text_t) "cgisafe:").size(), meta.end());
|
---|
522 | keep_trying = true;
|
---|
523 | }
|
---|
524 | if (meta.size() > ((text_t) "format:").size() && starts_with(meta, "format:"))
|
---|
525 | {
|
---|
526 | metaoption.metacommand |= mSpecial;
|
---|
527 | meta = substr(meta.begin() + ((text_t) "format:").size(), meta.end());
|
---|
528 | keep_trying = true;
|
---|
529 | }
|
---|
530 |
|
---|
531 | // New "truncate" special formatting option
|
---|
532 | if (meta.size() > ((text_t) "truncate").size() && starts_with(meta, "truncate")) // No colons due to truncate(X)
|
---|
533 | {
|
---|
534 | metaoption.metacommand |= mTruncate;
|
---|
535 | get_truncate_options (meta, metaoption);
|
---|
536 | keep_trying = true;
|
---|
537 | }
|
---|
538 | // New "htmlsafe" special formatting option
|
---|
539 | if (meta.size() > ((text_t) "htmlsafe:").size() && starts_with(meta, "htmlsafe:"))
|
---|
540 | {
|
---|
541 | metaoption.metacommand |= mHTMLSafe;
|
---|
542 | meta = substr(meta.begin() + ((text_t) "htmlsafe:").size(), meta.end());
|
---|
543 | keep_trying = true;
|
---|
544 | }
|
---|
545 | // New "xmlsafe" special formatting option
|
---|
546 | if (meta.size() > ((text_t) "xmlsafe:").size() && starts_with(meta, "xmlsafe:"))
|
---|
547 | {
|
---|
548 | metaoption.metacommand |= mXMLSafe;
|
---|
549 | meta = substr(meta.begin() + ((text_t) "xmlsafe:").size(), meta.end());
|
---|
550 | keep_trying = true;
|
---|
551 | }
|
---|
552 | // New "dmsafe" special formatting option
|
---|
553 | if (meta.size() > ((text_t) "dmsafe:").size() && starts_with(meta, "dmsafe:"))
|
---|
554 | {
|
---|
555 | metaoption.metacommand |= mDMSafe;
|
---|
556 | meta = substr(meta.begin() + ((text_t) "dmsafe:").size(), meta.end());
|
---|
557 | keep_trying = true;
|
---|
558 | }
|
---|
559 | }
|
---|
560 |
|
---|
561 | bool had_parent_or_child = true;
|
---|
562 | bool prev_was_parent = false;
|
---|
563 | bool prev_was_child = false;
|
---|
564 |
|
---|
565 | while (had_parent_or_child) {
|
---|
566 | if (meta.size() > 7
|
---|
567 | && (substr (meta.begin(), meta.begin()+6) == "parent")) {
|
---|
568 |
|
---|
569 | // clear out sibling and child (cmd and options)
|
---|
570 | metaoption.metacommand &= ~(mChild|mSibling);
|
---|
571 | metaoption.childoptions.clear();
|
---|
572 | metaoption.siblingoptions.clear();
|
---|
573 |
|
---|
574 | getParents = true;
|
---|
575 | metaoption.metacommand |= mParent;
|
---|
576 | get_parent_options (meta, metaoption);
|
---|
577 |
|
---|
578 | if (prev_was_parent) {
|
---|
579 | metaoption.pre_tree_traverse += ".pr";
|
---|
580 | }
|
---|
581 | else if (prev_was_child) {
|
---|
582 | metaoption.pre_tree_traverse += ".fc";
|
---|
583 | }
|
---|
584 |
|
---|
585 | prev_was_parent = true;
|
---|
586 | prev_was_child = false;
|
---|
587 | }
|
---|
588 | else if (meta.size() > 6
|
---|
589 | && (substr (meta.begin(), meta.begin()+5) == "child")) {
|
---|
590 |
|
---|
591 | // clear out sibling and parent (cmd and options)
|
---|
592 | metaoption.metacommand &= ~(mParent|mSibling);
|
---|
593 | metaoption.parentoptions.clear();
|
---|
594 | metaoption.siblingoptions.clear();
|
---|
595 |
|
---|
596 | metaoption.metacommand |= mChild;
|
---|
597 | get_child_options (meta, metaoption);
|
---|
598 | metadata.insert("contains");
|
---|
599 |
|
---|
600 | if (prev_was_parent) {
|
---|
601 | metaoption.pre_tree_traverse += ".pr";
|
---|
602 | }
|
---|
603 | else if (prev_was_child) {
|
---|
604 | metaoption.pre_tree_traverse += ".fc";
|
---|
605 | }
|
---|
606 |
|
---|
607 | prev_was_child = true;
|
---|
608 | prev_was_parent = false;
|
---|
609 | }
|
---|
610 | else {
|
---|
611 | prev_was_child = false;
|
---|
612 | prev_was_parent = false;
|
---|
613 | had_parent_or_child = false;
|
---|
614 | }
|
---|
615 | }
|
---|
616 |
|
---|
617 | // parent/child can have sibling tacked on end also
|
---|
618 | if (meta.size() > 8 && (substr (meta.begin(), meta.begin()+7) == "sibling")) {
|
---|
619 | metaoption.metacommand |= mSibling;
|
---|
620 | get_sibling_options (meta, metaoption);
|
---|
621 | }
|
---|
622 |
|
---|
623 | // check for ex. which may occur in format statements
|
---|
624 | // remove "ex." prefix, but only if there are no other metadata set qualifiers
|
---|
625 | // in the metaname, since we want to retain prefixes like "ex.dc." as-is
|
---|
626 | text_t::iterator period = findchar(meta.begin(), meta.end(), '.');
|
---|
627 | text_t::iterator lastperiod = findlastchar(meta.begin(), meta.end(), '.');
|
---|
628 |
|
---|
629 | if (meta.size()>3 && (substr(meta.begin(), meta.begin()+3) == "ex.") && period == lastperiod) {
|
---|
630 | meta = substr (meta.begin()+3, meta.end());
|
---|
631 | }
|
---|
632 | metadata.insert (meta);
|
---|
633 | metaoption.metaname = meta;
|
---|
634 | }
|
---|
635 |
|
---|
636 | static void parse_coll_meta(text_t &meta, metadata_t &metaoption) {
|
---|
637 | if (meta == "collection") {
|
---|
638 | // no qualifiers
|
---|
639 | metaoption.metaname = g_EmptyText;
|
---|
640 | return;
|
---|
641 | }
|
---|
642 | meta = substr (meta.begin()+11, meta.end());
|
---|
643 | metaoption.metaname = meta;
|
---|
644 |
|
---|
645 | }
|
---|
646 |
|
---|
647 | static void parse_meta (text_t &meta, format_t *formatlistptr,
|
---|
648 | text_tset &metadata, bool &getParents) {
|
---|
649 |
|
---|
650 | // check for ex. which may occur in format statements
|
---|
651 | // remove "ex." prefix, but only if there are no other metadata set qualifiers
|
---|
652 | // in the metaname, since we want to retain prefixes like "ex.dc." as-is
|
---|
653 | text_t::iterator period = findchar(meta.begin(), meta.end(), '.');
|
---|
654 | text_t::iterator lastperiod = findlastchar(meta.begin(), meta.end(), '.');
|
---|
655 |
|
---|
656 | if (meta.size()>3 && (substr(meta.begin(), meta.begin()+3) == "ex.") && period == lastperiod) {
|
---|
657 | meta = substr (meta.begin()+3, meta.end());
|
---|
658 | }
|
---|
659 | if (meta == "link")
|
---|
660 | formatlistptr->command = comLink;
|
---|
661 | else if (meta == "/link")
|
---|
662 | formatlistptr->command = comEndLink;
|
---|
663 |
|
---|
664 | // the metaname "srclink_file" is deprecated, use "srclinkFile"
|
---|
665 | else if (meta == "srclink") {
|
---|
666 | formatlistptr->command = comAssocLink;
|
---|
667 | formatlistptr->meta.metaname = "srclinkFile";
|
---|
668 | metadata.insert("srclinkFile");
|
---|
669 | }
|
---|
670 | else if (meta == "srchref") {
|
---|
671 | formatlistptr->command = comAssocLink;
|
---|
672 | formatlistptr->text = "href";
|
---|
673 | formatlistptr->meta.metaname = "srclinkFile";
|
---|
674 | metadata.insert("srclinkFile");
|
---|
675 | }
|
---|
676 | else if (meta == "/srclink") {
|
---|
677 | formatlistptr->command = comEndAssocLink;
|
---|
678 | formatlistptr->meta.metaname = "srclinkFile";
|
---|
679 | }
|
---|
680 | // and weblink etc
|
---|
681 | else if (meta == "href")
|
---|
682 | formatlistptr->command = comHref;
|
---|
683 |
|
---|
684 | else if (meta == "num")
|
---|
685 | formatlistptr->command = comNum;
|
---|
686 |
|
---|
687 | else if (meta == "icon")
|
---|
688 | formatlistptr->command = comIcon;
|
---|
689 |
|
---|
690 | else if (meta == "Text")
|
---|
691 | formatlistptr->command = comDoc;
|
---|
692 |
|
---|
693 | else if (meta == "RelatedDocuments")
|
---|
694 | formatlistptr->command = comRel;
|
---|
695 |
|
---|
696 | else if (meta == "highlight")
|
---|
697 | formatlistptr->command = comHighlight;
|
---|
698 |
|
---|
699 | else if (meta == "/highlight")
|
---|
700 | formatlistptr->command = comEndHighlight;
|
---|
701 |
|
---|
702 | else if (meta == "metadata-spanwrap")
|
---|
703 | formatlistptr->command = comMetadataSpanWrap;
|
---|
704 |
|
---|
705 | else if (meta == "/metadata-spanwrap")
|
---|
706 | formatlistptr->command = comEndMetadataSpanWrap;
|
---|
707 |
|
---|
708 | else if (meta == "metadata-divwrap")
|
---|
709 | formatlistptr->command = comMetadataDivWrap;
|
---|
710 |
|
---|
711 | else if (meta == "/metadata-divwrap")
|
---|
712 | formatlistptr->command = comEndMetadataDivWrap;
|
---|
713 |
|
---|
714 | else if (meta == "Summary")
|
---|
715 | formatlistptr->command = comSummary;
|
---|
716 |
|
---|
717 | else if (meta == "DocImage")
|
---|
718 | formatlistptr->command = comImage;
|
---|
719 |
|
---|
720 | else if (meta == "DocTOC")
|
---|
721 | formatlistptr->command = comTOC;
|
---|
722 |
|
---|
723 | else if (meta == "DocumentButtonDetach")
|
---|
724 | formatlistptr->command = comDocumentButtonDetach;
|
---|
725 |
|
---|
726 | else if (meta == "DocumentButtonHighlight")
|
---|
727 | formatlistptr->command = comDocumentButtonHighlight;
|
---|
728 |
|
---|
729 | else if (meta == "DocumentButtonExpandContents")
|
---|
730 | formatlistptr->command = comDocumentButtonExpandContents;
|
---|
731 |
|
---|
732 | else if (meta == "DocumentButtonExpandText")
|
---|
733 | formatlistptr->command = comDocumentButtonExpandText;
|
---|
734 |
|
---|
735 | else if (meta == "DocOID")
|
---|
736 | formatlistptr->command = comOID;
|
---|
737 | else if (meta == "DocTopOID")
|
---|
738 | formatlistptr->command = comTopOID;
|
---|
739 | else if (meta == "DocRank")
|
---|
740 | formatlistptr->command = comRank;
|
---|
741 | else if (meta == "DocTermsFreqTotal")
|
---|
742 | formatlistptr->command = comDocTermsFreqTotal;
|
---|
743 | else if (meta.size() >= 10 && (substr(meta.begin(), meta.begin()+10) == "collection")) {
|
---|
744 | formatlistptr->command = comCollection;
|
---|
745 | parse_coll_meta(meta, formatlistptr->meta);
|
---|
746 | }
|
---|
747 | else {
|
---|
748 | formatlistptr->command = comMeta;
|
---|
749 | parse_meta (meta, formatlistptr->meta, metadata, getParents);
|
---|
750 | }
|
---|
751 | }
|
---|
752 |
|
---|
753 |
|
---|
754 | static bool parse_string (const text_t &formatstring, format_t *formatlistptr,
|
---|
755 | text_tset &metadata, bool &getParents) {
|
---|
756 |
|
---|
757 | text_t text;
|
---|
758 | text_t::const_iterator here = formatstring.begin();
|
---|
759 | text_t::const_iterator end = formatstring.end();
|
---|
760 |
|
---|
761 | while (here != end) {
|
---|
762 |
|
---|
763 | if (*here == '\\') {
|
---|
764 | ++here;
|
---|
765 | if (here != end) text.push_back (*here);
|
---|
766 |
|
---|
767 | } else if (*here == '{') {
|
---|
768 | if (!text.empty()) {
|
---|
769 | formatlistptr->command = comText;
|
---|
770 | formatlistptr->text = text;
|
---|
771 | formatlistptr->nextptr = new format_t();
|
---|
772 | formatlistptr = formatlistptr->nextptr;
|
---|
773 |
|
---|
774 | text.clear();
|
---|
775 | }
|
---|
776 | if (parse_action (++here, end, formatlistptr, metadata, getParents)) {
|
---|
777 |
|
---|
778 | formatlistptr->nextptr = new format_t();
|
---|
779 | formatlistptr = formatlistptr->nextptr;
|
---|
780 | if (here == end) break;
|
---|
781 | }
|
---|
782 | } else if (*here == '[') {
|
---|
783 | if (!text.empty()) {
|
---|
784 | formatlistptr->command = comText;
|
---|
785 | formatlistptr->text = text;
|
---|
786 | formatlistptr->nextptr = new format_t();
|
---|
787 | formatlistptr = formatlistptr->nextptr;
|
---|
788 |
|
---|
789 | text.clear();
|
---|
790 | }
|
---|
791 | text_t meta;
|
---|
792 | ++here;
|
---|
793 | while (*here != ']') {
|
---|
794 | if (here == end) return false;
|
---|
795 | meta.push_back (*here);
|
---|
796 | ++here;
|
---|
797 | }
|
---|
798 | parse_meta (meta, formatlistptr, metadata, getParents);
|
---|
799 | formatlistptr->nextptr = new format_t();
|
---|
800 | formatlistptr = formatlistptr->nextptr;
|
---|
801 |
|
---|
802 | } else
|
---|
803 | text.push_back (*here);
|
---|
804 |
|
---|
805 | if (here != end) ++here;
|
---|
806 | }
|
---|
807 | if (!text.empty()) {
|
---|
808 | formatlistptr->command = comText;
|
---|
809 | formatlistptr->text = text;
|
---|
810 | formatlistptr->nextptr = new format_t();
|
---|
811 | formatlistptr = formatlistptr->nextptr;
|
---|
812 |
|
---|
813 | }
|
---|
814 | return true;
|
---|
815 | }
|
---|
816 |
|
---|
817 |
|
---|
818 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
|
---|
819 | format_t *formatlistptr, text_tset &metadata, bool &getParents) {
|
---|
820 |
|
---|
821 | text_t::const_iterator it = findchar (here, end, '}');
|
---|
822 | if (it == end) return false;
|
---|
823 |
|
---|
824 | text_t com = substr (here, it);
|
---|
825 | here = findchar (it, end, '{');
|
---|
826 | if (here == end) return false;
|
---|
827 | else ++here;
|
---|
828 |
|
---|
829 | if (com == "If" || com == "if" || com == "IF") formatlistptr->command = comIf;
|
---|
830 | else if (com == "Or" || com == "or" || com == "OR") formatlistptr->command = comOr;
|
---|
831 | else return false;
|
---|
832 |
|
---|
833 | int commacount = 0;
|
---|
834 | text_t text;
|
---|
835 | while (here != end) {
|
---|
836 |
|
---|
837 | if (*here == '\\') {
|
---|
838 | ++here;
|
---|
839 | if (here != end) text.push_back(*here);
|
---|
840 |
|
---|
841 | }
|
---|
842 |
|
---|
843 | else if (*here == ',' || *here == '}' || *here == '{') {
|
---|
844 |
|
---|
845 | if (formatlistptr->command == comOr) {
|
---|
846 | // the {Or}{this, or this, or this, or this} statement
|
---|
847 | format_t *or_ptr;
|
---|
848 |
|
---|
849 | // find the next unused orptr
|
---|
850 | if (formatlistptr->orptr == NULL) {
|
---|
851 | formatlistptr->orptr = new format_t();
|
---|
852 | or_ptr = formatlistptr->orptr;
|
---|
853 | } else {
|
---|
854 | or_ptr = formatlistptr->orptr;
|
---|
855 | while (or_ptr->nextptr != NULL)
|
---|
856 | or_ptr = or_ptr->nextptr;
|
---|
857 | or_ptr->nextptr = new format_t();
|
---|
858 | or_ptr = or_ptr->nextptr;
|
---|
859 | }
|
---|
860 |
|
---|
861 | if (!text.empty())
|
---|
862 | {
|
---|
863 | if (!parse_string(text, or_ptr, metadata, getParents)) { return false; }
|
---|
864 | }
|
---|
865 |
|
---|
866 | if (*here == '{')
|
---|
867 | {
|
---|
868 | // Supports: {Or}{[Booktitle],[Title],{If}{[XXXX],aaa,bbb}}
|
---|
869 | // but not : {Or}{[Booktitle],[Title]{If}{[XXXX],aaa,bbb}}
|
---|
870 | // The latter can always be re-written:
|
---|
871 | // {Or}{[Booktitle],{If}{[Title],[Title]{If}{[XXXX],aaa,bbb}}}
|
---|
872 |
|
---|
873 | if (!text.empty()) // already used up allocated format_t
|
---|
874 | {
|
---|
875 | // => allocate new one for detected action
|
---|
876 | or_ptr->nextptr = new format_t();
|
---|
877 | or_ptr = or_ptr->nextptr;
|
---|
878 | }
|
---|
879 | if (!parse_action(++here, end, or_ptr, metadata, getParents))
|
---|
880 | {
|
---|
881 | return false;
|
---|
882 | }
|
---|
883 | }
|
---|
884 | else
|
---|
885 | {
|
---|
886 | if (*here == '}') break;
|
---|
887 | }
|
---|
888 | text.clear();
|
---|
889 |
|
---|
890 | }
|
---|
891 |
|
---|
892 | // Parse an {If}{decide,do,else} statement
|
---|
893 | else {
|
---|
894 |
|
---|
895 | // Read the decision component.
|
---|
896 | if (commacount == 0) {
|
---|
897 | // Decsion can be a metadata element, or a piece of text.
|
---|
898 | // Originally Stefan's code, updated 25/10/2000 by Gordon.
|
---|
899 |
|
---|
900 | text_t::const_iterator beginbracket = text.begin();
|
---|
901 | text_t::const_iterator endbracket = (text.end() - 1);
|
---|
902 |
|
---|
903 | // Decision is based on a metadata element
|
---|
904 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
905 | // Ignore the surrounding square brackets
|
---|
906 | text_t meta = substr (beginbracket+1, endbracket);
|
---|
907 | parse_meta (meta, formatlistptr->decision.meta, metadata, getParents);
|
---|
908 | ++commacount;
|
---|
909 | text.clear();
|
---|
910 | }
|
---|
911 |
|
---|
912 | // Decision is a piece of text (probably a macro like _cgiargmode_).
|
---|
913 | else {
|
---|
914 |
|
---|
915 | // hunt for any metadata in string, which might be uses in
|
---|
916 | // to test a condition, e.g. [Format] eq 'PDF'
|
---|
917 | format_t* dummyformat = new format_t();
|
---|
918 | // update which metadata fields needed
|
---|
919 | // (not interested in updatng formatlistptr)
|
---|
920 | parse_string (text, dummyformat, metadata, getParents);
|
---|
921 | delete dummyformat;
|
---|
922 |
|
---|
923 | formatlistptr->decision.command = dText;
|
---|
924 | formatlistptr->decision.text = text;
|
---|
925 | ++commacount;
|
---|
926 | text.clear();
|
---|
927 | }
|
---|
928 | }
|
---|
929 |
|
---|
930 | // Read the "then" and "else" components of the {If} statement.
|
---|
931 | else {
|
---|
932 | format_t** nextlistptr = NULL;
|
---|
933 | if (commacount == 1) {
|
---|
934 | nextlistptr = &formatlistptr->ifptr;
|
---|
935 | } else if (commacount == 2 ) {
|
---|
936 | nextlistptr = &formatlistptr->elseptr;
|
---|
937 | } else {
|
---|
938 | return false;
|
---|
939 | }
|
---|
940 |
|
---|
941 | if (!text.empty()) {
|
---|
942 | if (*nextlistptr == NULL) {
|
---|
943 | *nextlistptr = new format_t();
|
---|
944 | } else {
|
---|
945 |
|
---|
946 | // skip to the end of any format_t statements already added
|
---|
947 | while ((*nextlistptr)->nextptr != NULL)
|
---|
948 | {
|
---|
949 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
950 | }
|
---|
951 |
|
---|
952 | (*nextlistptr)->nextptr = new format_t();
|
---|
953 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
954 | }
|
---|
955 |
|
---|
956 | if (!parse_string (text, *nextlistptr, metadata, getParents))
|
---|
957 | {
|
---|
958 | return false;
|
---|
959 | }
|
---|
960 | text.clear();
|
---|
961 | }
|
---|
962 |
|
---|
963 | if (*here == '{')
|
---|
964 | {
|
---|
965 | if (*nextlistptr == NULL) {
|
---|
966 | *nextlistptr = new format_t();
|
---|
967 | } else {
|
---|
968 | // skip to the end of any format_t statements already added
|
---|
969 | while ((*nextlistptr)->nextptr != NULL)
|
---|
970 | {
|
---|
971 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
972 | }
|
---|
973 |
|
---|
974 | (*nextlistptr)->nextptr = new format_t();
|
---|
975 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
976 | }
|
---|
977 |
|
---|
978 | if (!parse_action(++here, end, *nextlistptr, metadata, getParents))
|
---|
979 | {
|
---|
980 | return false;
|
---|
981 | }
|
---|
982 | }
|
---|
983 | else
|
---|
984 | {
|
---|
985 | if (*here == '}') break;
|
---|
986 | ++commacount;
|
---|
987 | }
|
---|
988 | }
|
---|
989 | }
|
---|
990 |
|
---|
991 | } else text.push_back(*here);
|
---|
992 |
|
---|
993 | if (here != end) ++here;
|
---|
994 | }
|
---|
995 |
|
---|
996 | return true;
|
---|
997 | }
|
---|
998 |
|
---|
999 |
|
---|
1000 | static text_t wrap_metatext(const text_t& metatext, const text_t& OID,
|
---|
1001 | const text_t metaname, int metapos=-1)
|
---|
1002 | {
|
---|
1003 |
|
---|
1004 | text_t tag_type = metadata_wrap_type;
|
---|
1005 | text_t editable_type = (metaname == "Text") ? "text" : "metadata";
|
---|
1006 |
|
---|
1007 | text_t wrapped_metatext = "<" + tag_type + " ";
|
---|
1008 | wrapped_metatext += "class=\"editable-" + editable_type + "\" ";
|
---|
1009 |
|
---|
1010 | wrapped_metatext += "docoid=\"" + OID + "\" ";
|
---|
1011 | wrapped_metatext += "metaname=\"" + metaname + "\"";
|
---|
1012 |
|
---|
1013 | if (metapos>=0) {
|
---|
1014 | text_t metapos_str = metapos;
|
---|
1015 | wrapped_metatext += " metapos=\"" + metapos_str + "\"";
|
---|
1016 | }
|
---|
1017 |
|
---|
1018 | wrapped_metatext += ">" + metatext + "</" + tag_type + ">";
|
---|
1019 |
|
---|
1020 | return wrapped_metatext;
|
---|
1021 | }
|
---|
1022 |
|
---|
1023 |
|
---|
1024 |
|
---|
1025 | bool parse_formatstring (const text_t &formatstring, format_t *formatlistptr,
|
---|
1026 | text_tset &metadata, bool &getParents) {
|
---|
1027 |
|
---|
1028 | formatlistptr->clear();
|
---|
1029 | getParents = false;
|
---|
1030 |
|
---|
1031 | return (parse_string (formatstring, formatlistptr, metadata, getParents));
|
---|
1032 | }
|
---|
1033 |
|
---|
1034 | // position -1 for all, -2 for the last, 0 for the first, or x for a particular piece
|
---|
1035 | // metainfo has all the values for the metadata, meta has the request metadata name and options, position tells which values to get
|
---|
1036 |
|
---|
1037 | static text_t get_formatted_meta_text(const text_t& OID, MetadataInfo_t &metainfo, const metadata_t &meta, int position, bool no_cgisafe = false)
|
---|
1038 | {
|
---|
1039 | text_t no_ns_metaname = remove_namespace(meta.metaname);
|
---|
1040 | text_t formatted_metatext;
|
---|
1041 | bool first = true;
|
---|
1042 |
|
---|
1043 | const int start_i=0;
|
---|
1044 | const int end_i = metainfo.values.size()-1;
|
---|
1045 |
|
---|
1046 | if (position == -1) { // all
|
---|
1047 | for (int i=start_i; i<=end_i; ++i) {
|
---|
1048 | if (!first) formatted_metatext += meta.siblingoptions;
|
---|
1049 |
|
---|
1050 | text_t fresh_metatext;
|
---|
1051 |
|
---|
1052 | if (meta.metacommand & mSpecial) {
|
---|
1053 | // special formatting
|
---|
1054 | if (no_ns_metaname == "Date") fresh_metatext = format_date (metainfo.values[i]);
|
---|
1055 | else if (no_ns_metaname == "Language") fresh_metatext = iso639(metainfo.values[i]);
|
---|
1056 | else fresh_metatext = "_format:"+meta.metaname+"_("+metainfo.values[i]+")";
|
---|
1057 | }
|
---|
1058 | else fresh_metatext = metainfo.values[i];
|
---|
1059 |
|
---|
1060 | // New "truncate" special formatting option
|
---|
1061 | if (meta.metacommand & mTruncate)
|
---|
1062 | {
|
---|
1063 | int truncate_length = meta.siblingoptions.getint();
|
---|
1064 | text_t truncated_value = fresh_metatext;
|
---|
1065 | if (truncated_value.size() > truncate_length)
|
---|
1066 | {
|
---|
1067 | truncated_value = substr(truncated_value.begin(), truncated_value.begin() + truncate_length) + "... _texttruncated_";
|
---|
1068 | }
|
---|
1069 | fresh_metatext = truncated_value;
|
---|
1070 | }
|
---|
1071 | // New "xmlsafe" special formatting option
|
---|
1072 | if (meta.metacommand & mXMLSafe)
|
---|
1073 | {
|
---|
1074 | // Make it XML-safe
|
---|
1075 | text_t text_xml_safe = "";
|
---|
1076 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1077 | while (text_iterator != fresh_metatext.end())
|
---|
1078 | {
|
---|
1079 | if (*text_iterator == '&') text_xml_safe += "&";
|
---|
1080 | else if (*text_iterator == '<') text_xml_safe += "<";
|
---|
1081 | else if (*text_iterator == '>') text_xml_safe += ">";
|
---|
1082 | else text_xml_safe.push_back(*text_iterator);
|
---|
1083 | text_iterator++;
|
---|
1084 | }
|
---|
1085 | fresh_metatext = text_xml_safe;
|
---|
1086 | }
|
---|
1087 | // New "htmlsafe" special formatting option
|
---|
1088 | if (meta.metacommand & mHTMLSafe)
|
---|
1089 | {
|
---|
1090 | // Make it HTML-safe
|
---|
1091 | text_t text_html_safe = "";
|
---|
1092 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1093 | while (text_iterator != fresh_metatext.end())
|
---|
1094 | {
|
---|
1095 | if (*text_iterator == '&') text_html_safe += "&";
|
---|
1096 | else if (*text_iterator == '<') text_html_safe += "<";
|
---|
1097 | else if (*text_iterator == '>') text_html_safe += ">";
|
---|
1098 | else if (*text_iterator == '"') text_html_safe += """;
|
---|
1099 | else text_html_safe.push_back(*text_iterator);
|
---|
1100 | text_iterator++;
|
---|
1101 | }
|
---|
1102 | fresh_metatext = text_html_safe;
|
---|
1103 | }
|
---|
1104 | // New "dmsafe" special formatting option (always apply to "srclinkFile" metadata)
|
---|
1105 | // (The metaname "srclink_file" is deprecated, use "srclinkFile")
|
---|
1106 | if (meta.metacommand & mDMSafe || meta.metaname == "srclinkFile")
|
---|
1107 | {
|
---|
1108 | // Make it macro-safe
|
---|
1109 | text_t text_dm_safe = dm_safe(fresh_metatext);
|
---|
1110 | fresh_metatext = text_dm_safe;
|
---|
1111 | }
|
---|
1112 |
|
---|
1113 | if (metadata_wrap) {
|
---|
1114 | fresh_metatext = wrap_metatext(fresh_metatext,OID,meta.metaname,i);
|
---|
1115 | }
|
---|
1116 | formatted_metatext += fresh_metatext;
|
---|
1117 |
|
---|
1118 | first = false;
|
---|
1119 |
|
---|
1120 | }
|
---|
1121 | } else {
|
---|
1122 | if (position == -2) { // end
|
---|
1123 | position = end_i;
|
---|
1124 | } else if (position < start_i || position > end_i) {
|
---|
1125 | return "";
|
---|
1126 | }
|
---|
1127 |
|
---|
1128 | text_t fresh_metatext;
|
---|
1129 | if (meta.metacommand & mSpecial) {
|
---|
1130 |
|
---|
1131 | // special formatting
|
---|
1132 | if (no_ns_metaname == "Date") fresh_metatext = format_date (metainfo.values[position]);
|
---|
1133 | else if (no_ns_metaname == "Language") fresh_metatext = iso639(metainfo.values[position]);
|
---|
1134 | else fresh_metatext = "_format:"+meta.metaname+"_("+metainfo.values[position]+")";
|
---|
1135 | }
|
---|
1136 | else fresh_metatext = metainfo.values[position];
|
---|
1137 |
|
---|
1138 | // New "truncate" special formatting option
|
---|
1139 | if (meta.metacommand & mTruncate)
|
---|
1140 | {
|
---|
1141 | int truncate_length = meta.siblingoptions.getint();
|
---|
1142 | text_t truncated_value = fresh_metatext;
|
---|
1143 | if (truncated_value.size() > truncate_length)
|
---|
1144 | {
|
---|
1145 | truncated_value = substr(truncated_value.begin(), truncated_value.begin() + truncate_length) + "... _texttruncated_";
|
---|
1146 | }
|
---|
1147 | fresh_metatext = truncated_value;
|
---|
1148 | }
|
---|
1149 | // New "xmlsafe" special formatting option
|
---|
1150 | if (meta.metacommand & mXMLSafe)
|
---|
1151 | {
|
---|
1152 | // Make it XML-safe
|
---|
1153 | text_t text_xml_safe = "";
|
---|
1154 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1155 | while (text_iterator != fresh_metatext.end())
|
---|
1156 | {
|
---|
1157 | if (*text_iterator == '&') text_xml_safe += "&";
|
---|
1158 | else if (*text_iterator == '<') text_xml_safe += "<";
|
---|
1159 | else if (*text_iterator == '>') text_xml_safe += ">";
|
---|
1160 | else text_xml_safe.push_back(*text_iterator);
|
---|
1161 | text_iterator++;
|
---|
1162 | }
|
---|
1163 | fresh_metatext = text_xml_safe;
|
---|
1164 | }
|
---|
1165 | // New "htmlsafe" special formatting option
|
---|
1166 | if (meta.metacommand & mHTMLSafe)
|
---|
1167 | {
|
---|
1168 | // Make it HTML-safe
|
---|
1169 | text_t text_html_safe = "";
|
---|
1170 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1171 | while (text_iterator != fresh_metatext.end())
|
---|
1172 | {
|
---|
1173 | if (*text_iterator == '&') text_html_safe += "&";
|
---|
1174 | else if (*text_iterator == '<') text_html_safe += "<";
|
---|
1175 | else if (*text_iterator == '>') text_html_safe += ">";
|
---|
1176 | else if (*text_iterator == '"') text_html_safe += """;
|
---|
1177 | else if (*text_iterator == '\'') text_html_safe += "'";
|
---|
1178 | else if (*text_iterator == ',') text_html_safe += ",";
|
---|
1179 | else text_html_safe.push_back(*text_iterator);
|
---|
1180 | text_iterator++;
|
---|
1181 | }
|
---|
1182 | fresh_metatext = text_html_safe;
|
---|
1183 | }
|
---|
1184 | // New "dmsafe" special formatting option (always apply to "srclinkFile" metadata)
|
---|
1185 | // (The metaname "srclink_file" is deprecated, use "srclinkFile")
|
---|
1186 | if (meta.metacommand & mDMSafe || meta.metaname == "srclinkFile")
|
---|
1187 | {
|
---|
1188 | // Make it macro-safe
|
---|
1189 | text_t text_dm_safe = dm_safe(fresh_metatext);
|
---|
1190 | fresh_metatext = text_dm_safe;
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | if (metadata_wrap) {
|
---|
1194 | fresh_metatext = wrap_metatext(fresh_metatext,OID,meta.metaname,position);
|
---|
1195 | }
|
---|
1196 |
|
---|
1197 | formatted_metatext += fresh_metatext;
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | if (meta.metacommand & mCgiSafe && !no_cgisafe) return cgi_safe_unicode (formatted_metatext);
|
---|
1201 | else return formatted_metatext;
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | static text_t get_parent_meta (ResultDocInfo_t &docinfo, const metadata_t &meta, int siblings_values)
|
---|
1205 | {
|
---|
1206 |
|
---|
1207 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
1208 |
|
---|
1209 | switch (meta.mqualifier.parent) {
|
---|
1210 | case pNone:
|
---|
1211 | return "Nothing!!";
|
---|
1212 | break;
|
---|
1213 |
|
---|
1214 | case pImmediate:
|
---|
1215 | if (parent != NULL) {
|
---|
1216 | text_t parent_oid = get_parent(docinfo.OID);
|
---|
1217 | return get_formatted_meta_text(parent_oid,*parent, meta, siblings_values);
|
---|
1218 | }
|
---|
1219 | break;
|
---|
1220 |
|
---|
1221 | case pTop:
|
---|
1222 | if (parent != NULL) {
|
---|
1223 | text_t parent_oid = get_parent(docinfo.OID);
|
---|
1224 |
|
---|
1225 | while (parent->parent != NULL) {
|
---|
1226 | parent = parent->parent;
|
---|
1227 | parent_oid = get_parent(parent_oid);
|
---|
1228 | }
|
---|
1229 | return get_formatted_meta_text(parent_oid,*parent, meta, siblings_values);
|
---|
1230 | }
|
---|
1231 | break;
|
---|
1232 |
|
---|
1233 | case pAll:
|
---|
1234 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
1235 | if (parent != NULL) {
|
---|
1236 | text_t parent_oid = get_parent(docinfo.OID);
|
---|
1237 |
|
---|
1238 | text_tarray tmparray;
|
---|
1239 | while (parent != NULL) {
|
---|
1240 | tmparray.push_back (get_formatted_meta_text(parent_oid,*parent, meta, siblings_values, true)); // set no_cgisafe to true, as we'll do it once we have all the metadata
|
---|
1241 | parent = parent->parent;
|
---|
1242 | parent_oid = get_parent(parent_oid);
|
---|
1243 |
|
---|
1244 | }
|
---|
1245 | // now join them up - use teh parent separator
|
---|
1246 | bool first = true;
|
---|
1247 | text_t tmp;
|
---|
1248 | text_tarray::reverse_iterator here = tmparray.rbegin();
|
---|
1249 | text_tarray::reverse_iterator end = tmparray.rend();
|
---|
1250 | while (here != end) {
|
---|
1251 | if (!first) tmp += meta.parentoptions;
|
---|
1252 | tmp += *here;
|
---|
1253 | first = false;
|
---|
1254 | ++here;
|
---|
1255 | }
|
---|
1256 | if (meta.metacommand & mCgiSafe) return cgi_safe_unicode (tmp);
|
---|
1257 | else return tmp;
|
---|
1258 | }
|
---|
1259 | }
|
---|
1260 | return "";
|
---|
1261 |
|
---|
1262 | }
|
---|
1263 |
|
---|
1264 | static text_t get_child_meta (const text_t& collection,
|
---|
1265 | recptproto* collectproto,
|
---|
1266 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1267 | const metadata_t &meta, text_tmap &options,
|
---|
1268 | ostream& logout, int siblings_values)
|
---|
1269 | {
|
---|
1270 | if (docinfo.metadata["contains"].values[0].size()==0) return ""; // no children
|
---|
1271 |
|
---|
1272 | const text_t& pre_tree_trav = meta.pre_tree_traverse;
|
---|
1273 | const text_t& child_metaname = meta.metaname;
|
---|
1274 | const text_t& child_field = meta.childoptions;
|
---|
1275 | text_tset child_metadata;
|
---|
1276 | child_metadata.insert(child_metaname);
|
---|
1277 |
|
---|
1278 | FilterResponse_t child_response;
|
---|
1279 | if (meta.mqualifier.child == cNum) {
|
---|
1280 | // just one child
|
---|
1281 | //get the information associated with the metadata for child doc
|
---|
1282 | if (!get_info (docinfo.OID+pre_tree_trav+child_field, collection, "",
|
---|
1283 | child_metadata, false, collectproto, child_response,
|
---|
1284 | logout)) return ""; // invalid child number
|
---|
1285 |
|
---|
1286 | if (child_response.docInfo.empty()) return false; // no info for the child
|
---|
1287 |
|
---|
1288 | ResultDocInfo_t& child_docinfo = child_response.docInfo[0];
|
---|
1289 | MetadataInfo_t& metaname_rec = child_docinfo.metadata[child_metaname];
|
---|
1290 |
|
---|
1291 | text_t child_metavalue
|
---|
1292 | = get_formatted_meta_text(child_docinfo.OID,metaname_rec,meta,siblings_values);
|
---|
1293 | return expand_metadata(child_metavalue,collection,collectproto,
|
---|
1294 | child_docinfo,disp,options,logout);
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 |
|
---|
1298 | if (meta.mqualifier.child != cAll) return false; // invalid qualifier
|
---|
1299 |
|
---|
1300 |
|
---|
1301 | if (!pre_tree_trav.empty()) {
|
---|
1302 | // need to get relevant "contains" metadata for new (e.g. pre tree trav) node
|
---|
1303 | FilterResponse_t trav_response;
|
---|
1304 |
|
---|
1305 | text_tset trav_metadata;
|
---|
1306 | trav_metadata.insert("contains");
|
---|
1307 |
|
---|
1308 | if (!get_info (docinfo.OID+pre_tree_trav, collection, "",
|
---|
1309 | trav_metadata, false, collectproto, trav_response,
|
---|
1310 | logout)) return ""; // invalid pre_tree_trav
|
---|
1311 |
|
---|
1312 | if (trav_response.docInfo.empty()) return false; // no info for the pre_tree_trav OID
|
---|
1313 |
|
---|
1314 | ResultDocInfo_t& trav_docinfo = trav_response.docInfo[0];
|
---|
1315 |
|
---|
1316 | // use this for rest of routine
|
---|
1317 | docinfo = trav_docinfo;
|
---|
1318 | }
|
---|
1319 |
|
---|
1320 | // we need to get all children
|
---|
1321 | text_t result = "";
|
---|
1322 | text_tarray children;
|
---|
1323 | text_t contains = docinfo.metadata["contains"].values[0];
|
---|
1324 | splitchar (contains.begin(), contains.end(), ';', children);
|
---|
1325 | text_tarray::const_iterator here = children.begin();
|
---|
1326 | text_tarray::const_iterator end = children.end();
|
---|
1327 | bool first = true;
|
---|
1328 | while (here !=end) {
|
---|
1329 | text_t oid = *here;
|
---|
1330 | here++;
|
---|
1331 | if (*(oid.begin()) == '"') translate_parent (oid, docinfo.OID);
|
---|
1332 |
|
---|
1333 | //get the information associated with the metadata for child doc
|
---|
1334 | if (!get_info (oid, collection, "", child_metadata,
|
---|
1335 | false, collectproto, child_response, logout) ||
|
---|
1336 | child_response.docInfo.empty()) {
|
---|
1337 | first = false;
|
---|
1338 | continue;
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 |
|
---|
1342 | ResultDocInfo_t& child_docinfo = child_response.docInfo[0];
|
---|
1343 | MetadataInfo_t& metaname_rec = child_docinfo.metadata[child_metaname];
|
---|
1344 |
|
---|
1345 | text_t child_metavalue
|
---|
1346 | = get_formatted_meta_text(child_docinfo.OID,metaname_rec,meta,siblings_values);
|
---|
1347 |
|
---|
1348 |
|
---|
1349 | if (!first) result += child_field;
|
---|
1350 | first = false;
|
---|
1351 | // need to do this here cos otherwise we are in the wrong document
|
---|
1352 | text_t em = expand_metadata(child_metavalue,collection,collectproto,
|
---|
1353 | child_docinfo,disp,options,logout);
|
---|
1354 |
|
---|
1355 | result += em;
|
---|
1356 | }
|
---|
1357 | return result;
|
---|
1358 |
|
---|
1359 | }
|
---|
1360 |
|
---|
1361 | static text_t get_meta (const text_t& collection, recptproto* collectproto,
|
---|
1362 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1363 | const metadata_t &meta, text_tmap &options,
|
---|
1364 | ostream& logout) {
|
---|
1365 |
|
---|
1366 | // make sure we have the requested metadata
|
---|
1367 | MetadataInfo_tmap::iterator it = docinfo.metadata.find (meta.metaname);
|
---|
1368 | if (it == docinfo.metadata.end()) return "";
|
---|
1369 |
|
---|
1370 | int siblings_values = 0; // default is no siblings, just the first metadata available
|
---|
1371 | if (meta.metacommand & mSibling) {
|
---|
1372 | if (meta.mqualifier.sibling == sAll) {
|
---|
1373 | siblings_values = -1; //all
|
---|
1374 | } else if (meta.mqualifier.sibling == sNum) {
|
---|
1375 | siblings_values = meta.siblingoptions.getint();
|
---|
1376 | }
|
---|
1377 | }
|
---|
1378 | if (meta.metacommand & mParent) {
|
---|
1379 | return get_parent_meta(docinfo,meta,siblings_values);
|
---|
1380 | }
|
---|
1381 |
|
---|
1382 | else if (meta.metacommand & mChild) {
|
---|
1383 | return get_child_meta(collection,collectproto,docinfo,disp,meta,
|
---|
1384 | options,logout, siblings_values);
|
---|
1385 | }
|
---|
1386 | else if (meta.metacommand & mSibling) { // only siblings
|
---|
1387 | MetadataInfo_t& metaname_rec = docinfo.metadata[meta.metaname];
|
---|
1388 | return get_formatted_meta_text(docinfo.OID,docinfo.metadata[meta.metaname],meta, siblings_values);
|
---|
1389 | }
|
---|
1390 | else {
|
---|
1391 |
|
---|
1392 | // straightforward metadata request (nothing fancy)
|
---|
1393 |
|
---|
1394 | text_t classifier_metaname = docinfo.classifier_metadata_type;
|
---|
1395 | int metaname_index
|
---|
1396 | = (classifier_metaname == meta.metaname) ? docinfo.classifier_metadata_offset : 0;
|
---|
1397 | return get_formatted_meta_text(docinfo.OID,docinfo.metadata[meta.metaname], meta, metaname_index);
|
---|
1398 | }
|
---|
1399 |
|
---|
1400 | return "";
|
---|
1401 | }
|
---|
1402 |
|
---|
1403 | static text_t get_or (const text_t& collection, recptproto* collectproto,
|
---|
1404 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1405 | format_t *orptr, text_tmap &options,
|
---|
1406 | ostream& logout) {
|
---|
1407 |
|
---|
1408 | while (orptr != NULL) {
|
---|
1409 |
|
---|
1410 | if (metadata_wrap) {
|
---|
1411 | // need to be a bit more careful about this
|
---|
1412 | // => test for it *without* spanwrap or divwrap, and if defined, then
|
---|
1413 | // got back and generate it again, this time with spanwrap/divwrap on
|
---|
1414 |
|
---|
1415 | metadata_wrap = false;
|
---|
1416 | text_t test_tmp = format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
1417 | options, logout);
|
---|
1418 | metadata_wrap = true;
|
---|
1419 | if (!test_tmp.empty()) {
|
---|
1420 |
|
---|
1421 | return format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
1422 | options, logout);
|
---|
1423 | }
|
---|
1424 | }
|
---|
1425 | else {
|
---|
1426 | text_t tmp = format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
1427 | options, logout);
|
---|
1428 | if (!tmp.empty()) return tmp;
|
---|
1429 | }
|
---|
1430 |
|
---|
1431 | orptr = orptr->nextptr;
|
---|
1432 | }
|
---|
1433 | return "";
|
---|
1434 | }
|
---|
1435 |
|
---|
1436 | static bool char_is_whitespace(const char c)
|
---|
1437 | {
|
---|
1438 | return ((c == ' ') || (c == '\t') || (c == '\n') || (c == '\r'));
|
---|
1439 |
|
---|
1440 | }
|
---|
1441 |
|
---|
1442 | static int scan_over_whitespace(const text_t& outstring, const int start_pos)
|
---|
1443 | {
|
---|
1444 | int pos = start_pos;
|
---|
1445 | while (pos<outstring.size()) {
|
---|
1446 | if (!char_is_whitespace(outstring[pos])) {
|
---|
1447 | break;
|
---|
1448 | }
|
---|
1449 | ++pos;
|
---|
1450 | }
|
---|
1451 |
|
---|
1452 | return pos;
|
---|
1453 | }
|
---|
1454 |
|
---|
1455 | static int rscan_over_whitespace(const text_t& outstring, const int start_pos)
|
---|
1456 | {
|
---|
1457 | int pos = start_pos;
|
---|
1458 | while (pos>=0) {
|
---|
1459 | if (!char_is_whitespace(outstring[pos])) {
|
---|
1460 | break;
|
---|
1461 | }
|
---|
1462 | --pos;
|
---|
1463 | }
|
---|
1464 |
|
---|
1465 | return pos;
|
---|
1466 | }
|
---|
1467 |
|
---|
1468 | static int rscan_for_whitespace(const text_t& outstring, const int start_pos)
|
---|
1469 | {
|
---|
1470 | int pos = start_pos;
|
---|
1471 | while (pos>=0) {
|
---|
1472 | if (char_is_whitespace(outstring[pos])) {
|
---|
1473 | break;
|
---|
1474 | }
|
---|
1475 | --pos;
|
---|
1476 | }
|
---|
1477 |
|
---|
1478 | return pos;
|
---|
1479 | }
|
---|
1480 |
|
---|
1481 |
|
---|
1482 | static int rscan_for(const text_t& outstring, const int start_pos,
|
---|
1483 | const char find_c)
|
---|
1484 | {
|
---|
1485 | int pos = start_pos;
|
---|
1486 | while (pos>=0) {
|
---|
1487 | char c = outstring[pos];
|
---|
1488 | if (outstring[pos] == find_c) {
|
---|
1489 | break;
|
---|
1490 | }
|
---|
1491 | --pos;
|
---|
1492 | }
|
---|
1493 |
|
---|
1494 | return pos;
|
---|
1495 | }
|
---|
1496 |
|
---|
1497 | text_t extract_substr(const text_t& outstring, const int start_pos,
|
---|
1498 | const int end_pos)
|
---|
1499 | {
|
---|
1500 | text_t extracted_str;
|
---|
1501 | extracted_str.clear();
|
---|
1502 |
|
---|
1503 | for (int pos=start_pos; pos<=end_pos; ++pos) {
|
---|
1504 | extracted_str.push_back(outstring[pos]);
|
---|
1505 | }
|
---|
1506 |
|
---|
1507 | return extracted_str;
|
---|
1508 | }
|
---|
1509 |
|
---|
1510 |
|
---|
1511 | static text_t expand_potential_metadata(const text_t& collection,
|
---|
1512 | recptproto* collectproto,
|
---|
1513 | ResultDocInfo_t &docinfo,
|
---|
1514 | displayclass &disp,
|
---|
1515 | const text_t& intext,
|
---|
1516 | text_tmap &options,
|
---|
1517 | ostream& logout)
|
---|
1518 | {
|
---|
1519 | text_t outtext;
|
---|
1520 |
|
---|
1521 | // decide if dealing with metadata or text
|
---|
1522 |
|
---|
1523 | text_t::const_iterator beginbracket = intext.begin();
|
---|
1524 | text_t::const_iterator endbracket = (intext.end() - 1);
|
---|
1525 |
|
---|
1526 | // Decision is based on a metadata element
|
---|
1527 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
1528 | // Ignore the surrounding square brackets
|
---|
1529 | text_t meta_text = substr (beginbracket+1, endbracket);
|
---|
1530 |
|
---|
1531 | if (meta_text == "Text") {
|
---|
1532 | outtext = format_text(collection, collectproto, docinfo, disp, options, logout);
|
---|
1533 | }
|
---|
1534 | else {
|
---|
1535 |
|
---|
1536 | text_tset metadata;
|
---|
1537 | bool getParents =false;
|
---|
1538 | metadata_t meta;
|
---|
1539 |
|
---|
1540 | parse_meta (meta_text, meta, metadata, getParents);
|
---|
1541 | outtext
|
---|
1542 | = get_meta (collection,collectproto,docinfo,disp,meta,options,logout);
|
---|
1543 | }
|
---|
1544 |
|
---|
1545 | }
|
---|
1546 | else {
|
---|
1547 | outtext = intext;
|
---|
1548 | }
|
---|
1549 |
|
---|
1550 | return outtext;
|
---|
1551 | }
|
---|
1552 |
|
---|
1553 |
|
---|
1554 |
|
---|
1555 |
|
---|
1556 | static bool uses_expression(const text_t& collection, recptproto* collectproto,
|
---|
1557 | ResultDocInfo_t &docinfo,
|
---|
1558 | displayclass &disp,
|
---|
1559 | const text_t& outstring, text_t& lhs_expr,
|
---|
1560 | text_t& op_expr, text_t& rhs_expr,
|
---|
1561 | text_tmap &options,
|
---|
1562 | ostream& logout)
|
---|
1563 | {
|
---|
1564 | // Note: the string may not be of the form: str1 op str2, however
|
---|
1565 | // to deterine this we have to process it on the assumption it is,
|
---|
1566 | // and if at any point an 'erroneous' value is encountered, return
|
---|
1567 | // false and let something else have a go at evaluating it
|
---|
1568 |
|
---|
1569 | // Starting at the end of the string and working backwards ..
|
---|
1570 |
|
---|
1571 | const int outstring_len = outstring.size();
|
---|
1572 |
|
---|
1573 | // skip over white space
|
---|
1574 | int rhs_end = rscan_over_whitespace(outstring,outstring_len-1);
|
---|
1575 |
|
---|
1576 | if (rhs_end<=0) {
|
---|
1577 | // no meaningful text or (rhs_end==0) no room for operator
|
---|
1578 | return false;
|
---|
1579 | }
|
---|
1580 |
|
---|
1581 | // check for ' or " and then scan over token
|
---|
1582 | const char potential_quote = outstring[rhs_end];
|
---|
1583 | int rhs_start=rhs_end;
|
---|
1584 | bool quoted = false;
|
---|
1585 |
|
---|
1586 | if ((potential_quote == '\'') || (potential_quote == '\"')) {
|
---|
1587 | --rhs_end;
|
---|
1588 | rhs_start = rscan_for(outstring,rhs_end-1,potential_quote) +1;
|
---|
1589 | quoted = true;
|
---|
1590 | }
|
---|
1591 | else {
|
---|
1592 | rhs_start = rscan_for_whitespace(outstring,rhs_end-1) +1;
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | if ((rhs_end-rhs_start)<0) {
|
---|
1596 | // no meaningful rhs expression
|
---|
1597 | return false;
|
---|
1598 | }
|
---|
1599 |
|
---|
1600 | // form rhs_expr
|
---|
1601 | rhs_expr = extract_substr(outstring,rhs_start,rhs_end);
|
---|
1602 |
|
---|
1603 | // skip over white space
|
---|
1604 | const int to_whitespace = (quoted) ? 2 : 1;
|
---|
1605 |
|
---|
1606 | int op_end = rscan_over_whitespace(outstring,rhs_start-to_whitespace);
|
---|
1607 | int op_start = rscan_for_whitespace(outstring,op_end-1)+1;
|
---|
1608 |
|
---|
1609 | if ((op_end<0) && (op_start<0)) {
|
---|
1610 | // no meaningful expression operator
|
---|
1611 | return false;
|
---|
1612 | }
|
---|
1613 |
|
---|
1614 | if (op_end-op_start<0) {
|
---|
1615 | // no meaningful expression operator
|
---|
1616 | return false;
|
---|
1617 | }
|
---|
1618 |
|
---|
1619 | op_expr = extract_substr(outstring,op_start,op_end);
|
---|
1620 |
|
---|
1621 |
|
---|
1622 | // check for operator
|
---|
1623 | if ((op_expr != "eq") && (op_expr != "ne") && (op_expr != "gt") &&
|
---|
1624 | (op_expr != "ge") && (op_expr != "lt") && (op_expr != "le") && (op_expr != "==") && (op_expr != "!=") && (op_expr != ">") && (op_expr != ">=") && (op_expr != "<") && (op_expr != "<=") && (op_expr != "sw") && (op_expr != "ew")) {
|
---|
1625 |
|
---|
1626 | // not a valid operator
|
---|
1627 | return false;
|
---|
1628 | }
|
---|
1629 |
|
---|
1630 | int lhs_end = rscan_over_whitespace(outstring,op_start-1);
|
---|
1631 | if (lhs_end<0) {
|
---|
1632 | // no meaningful lhs expression
|
---|
1633 | return false;
|
---|
1634 | }
|
---|
1635 |
|
---|
1636 | int lhs_start = scan_over_whitespace(outstring,0);
|
---|
1637 |
|
---|
1638 | // form lhs_expr from remainder of string
|
---|
1639 | lhs_expr = extract_substr(outstring,lhs_start,lhs_end);
|
---|
1640 |
|
---|
1641 | // Now we know we have a valid expression, look up any
|
---|
1642 | // metadata terms
|
---|
1643 |
|
---|
1644 | rhs_expr = expand_potential_metadata(collection,collectproto,docinfo,
|
---|
1645 | disp,rhs_expr,options,logout);
|
---|
1646 | lhs_expr = expand_potential_metadata(collection,collectproto,docinfo,
|
---|
1647 | disp,lhs_expr,options,logout);
|
---|
1648 |
|
---|
1649 | return true;
|
---|
1650 | }
|
---|
1651 |
|
---|
1652 | static bool eval_expression_true(const text_t& lhs_expr,const text_t& op_expr,
|
---|
1653 | const text_t& rhs_expr, ostream& logout)
|
---|
1654 | {
|
---|
1655 | if (op_expr == "eq") return (lhs_expr == rhs_expr);
|
---|
1656 | else if (op_expr == "ne" ) return (lhs_expr != rhs_expr);
|
---|
1657 | else if (op_expr == "gt") return (lhs_expr > rhs_expr);
|
---|
1658 | else if (op_expr == "ge") return (lhs_expr >= rhs_expr);
|
---|
1659 | else if (op_expr == "lt") return (lhs_expr < rhs_expr);
|
---|
1660 | else if (op_expr == "le") return (lhs_expr <= rhs_expr);
|
---|
1661 | else if (op_expr == "==") return (lhs_expr.getint() == rhs_expr.getint());
|
---|
1662 | else if (op_expr == "!=") return (lhs_expr.getint() != rhs_expr.getint());
|
---|
1663 | else if (op_expr == ">") return (lhs_expr.getint() > rhs_expr.getint());
|
---|
1664 | else if (op_expr == ">=") return (lhs_expr.getint() >= rhs_expr.getint());
|
---|
1665 | else if (op_expr == "<") return (lhs_expr.getint() < rhs_expr.getint());
|
---|
1666 | else if (op_expr == "<=") return (lhs_expr.getint() <= rhs_expr.getint());
|
---|
1667 | else if (op_expr == "sw") return (starts_with(lhs_expr,rhs_expr));
|
---|
1668 | else if (op_expr == "ew") return (ends_with(lhs_expr,rhs_expr));
|
---|
1669 | else {
|
---|
1670 | logout << "Error: '" << op_expr << "' is not a recognised operator." << endl;
|
---|
1671 | }
|
---|
1672 |
|
---|
1673 | return false;
|
---|
1674 | }
|
---|
1675 |
|
---|
1676 |
|
---|
1677 | static text_t get_if (const text_t& collection, recptproto* collectproto,
|
---|
1678 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1679 | const decision_t &decision,
|
---|
1680 | format_t *ifptr, format_t *elseptr,
|
---|
1681 | text_tmap &options, ostream& logout)
|
---|
1682 | {
|
---|
1683 | // If the decision component is a metadata element, then evaluate it
|
---|
1684 | // to see whether we output the "then" or the "else" clause
|
---|
1685 | if (decision.command == dMeta) {
|
---|
1686 |
|
---|
1687 | bool store_metadata_wrap = metadata_wrap;
|
---|
1688 | metadata_wrap = 0;
|
---|
1689 |
|
---|
1690 | // temporarily suspend metadata-XXXwrap (if on) so can test if metadata item really exits or not
|
---|
1691 | bool metadata_exists
|
---|
1692 | = (get_meta (collection,collectproto,docinfo,disp,decision.meta,options,
|
---|
1693 | logout) != "");
|
---|
1694 |
|
---|
1695 | metadata_wrap = store_metadata_wrap;
|
---|
1696 |
|
---|
1697 | if (metadata_exists) {
|
---|
1698 | if (ifptr != NULL)
|
---|
1699 | return get_formatted_string (collection,collectproto,docinfo, disp, ifptr,
|
---|
1700 | options, logout);
|
---|
1701 | }
|
---|
1702 | else {
|
---|
1703 | if (elseptr != NULL)
|
---|
1704 | return get_formatted_string (collection,collectproto,docinfo, disp, elseptr,
|
---|
1705 | options, logout);
|
---|
1706 | }
|
---|
1707 | }
|
---|
1708 |
|
---|
1709 | // If the decision component is text, then evaluate it (it is probably a
|
---|
1710 | // macro like _cgiargmode_) to decide what to output.
|
---|
1711 | else if (decision.command == dText) {
|
---|
1712 |
|
---|
1713 | text_t outstring;
|
---|
1714 | disp.expandstring (decision.text, outstring);
|
---|
1715 |
|
---|
1716 | // Check for if expression in form: str1 op str2
|
---|
1717 | // (such as [x] eq "y")
|
---|
1718 | text_t lhs_expr, op_expr, rhs_expr;
|
---|
1719 | if (uses_expression(collection,collectproto,docinfo, disp, outstring,lhs_expr,op_expr,rhs_expr, options,logout)) {
|
---|
1720 | if (eval_expression_true(lhs_expr,op_expr,rhs_expr,logout)) {
|
---|
1721 | if (ifptr != NULL) {
|
---|
1722 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
1723 | options, logout);
|
---|
1724 | }
|
---|
1725 | else {
|
---|
1726 | return "";
|
---|
1727 | }
|
---|
1728 | } else {
|
---|
1729 | if (elseptr != NULL) {
|
---|
1730 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
1731 | options, logout);
|
---|
1732 | }
|
---|
1733 | else {
|
---|
1734 | return "";
|
---|
1735 | }
|
---|
1736 | }
|
---|
1737 | }
|
---|
1738 |
|
---|
1739 |
|
---|
1740 | // This is a tad tricky. When we expand a string like _cgiargmode_, that is
|
---|
1741 | // a cgi argument macro that has not been set, it evaluates to itself.
|
---|
1742 | // Therefore, were have to say that a piece of text evalautes true if
|
---|
1743 | // it is non-empty and if it is a cgi argument evaulating to itself.
|
---|
1744 |
|
---|
1745 | if ((outstring != "") && !((outstring == decision.text) && (outstring[0] == '_'))) {
|
---|
1746 | if (ifptr != NULL)
|
---|
1747 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
1748 | options, logout);
|
---|
1749 | } else {
|
---|
1750 | if (elseptr != NULL)
|
---|
1751 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
1752 | options, logout);
|
---|
1753 | }
|
---|
1754 | }
|
---|
1755 |
|
---|
1756 | return "";
|
---|
1757 | }
|
---|
1758 |
|
---|
1759 | bool includes_metadata(const text_t& text)
|
---|
1760 | {
|
---|
1761 | text_t::const_iterator here = text.begin();
|
---|
1762 | text_t::const_iterator end = text.end();
|
---|
1763 |
|
---|
1764 | char startbracket = '[';
|
---|
1765 | char endbracket = ']';
|
---|
1766 |
|
---|
1767 | char bracket = startbracket;
|
---|
1768 | while (here != end) {
|
---|
1769 | if (*here == bracket) {
|
---|
1770 | if(bracket == startbracket) {
|
---|
1771 | // seen a [, next look for a ] to confirm it's metadata
|
---|
1772 | bracket = endbracket;
|
---|
1773 | } else if(bracket == endbracket) {
|
---|
1774 | // found [ ... ] in text, so we think it includes metadata
|
---|
1775 | return true;
|
---|
1776 | }
|
---|
1777 | }
|
---|
1778 | ++here;
|
---|
1779 | }
|
---|
1780 |
|
---|
1781 | return false;
|
---|
1782 | }
|
---|
1783 |
|
---|
1784 | static text_t expand_metadata(const text_t &metavalue, const text_t& collection,
|
---|
1785 | recptproto* collectproto,
|
---|
1786 | ResultDocInfo_t &docinfo,
|
---|
1787 | displayclass &disp, text_tmap &options,
|
---|
1788 | ostream &logout) {
|
---|
1789 |
|
---|
1790 | if (includes_metadata(metavalue)) {
|
---|
1791 |
|
---|
1792 | // text has embedded metadata in it => expand it
|
---|
1793 | FilterRequest_t request;
|
---|
1794 | FilterResponse_t response;
|
---|
1795 |
|
---|
1796 | request.getParents = false;
|
---|
1797 |
|
---|
1798 | format_t *expanded_formatlistptr = new format_t();
|
---|
1799 | parse_formatstring (metavalue, expanded_formatlistptr,
|
---|
1800 | request.fields, request.getParents);
|
---|
1801 |
|
---|
1802 | // retrieve metadata
|
---|
1803 | get_info(docinfo.OID, collection, "", request.fields, request.getParents,
|
---|
1804 | collectproto, response, logout);
|
---|
1805 |
|
---|
1806 | if (!response.docInfo.empty()) {
|
---|
1807 |
|
---|
1808 | text_t expanded_metavalue
|
---|
1809 | = get_formatted_string(collection, collectproto,
|
---|
1810 | response.docInfo[0], disp, expanded_formatlistptr,
|
---|
1811 | options, logout);
|
---|
1812 |
|
---|
1813 | return expanded_metavalue;
|
---|
1814 | }
|
---|
1815 | else {
|
---|
1816 | return metavalue;
|
---|
1817 | }
|
---|
1818 | }
|
---|
1819 | else {
|
---|
1820 |
|
---|
1821 | return metavalue;
|
---|
1822 | }
|
---|
1823 | }
|
---|
1824 |
|
---|
1825 | text_t get_collection_meta(const text_t& collection, recptproto* collectproto,
|
---|
1826 | displayclass &disp,
|
---|
1827 | text_t meta_name, ostream& logout) {
|
---|
1828 |
|
---|
1829 | ColInfoResponse_t collectinfo;
|
---|
1830 | comerror_t err;
|
---|
1831 | collectproto->get_collectinfo (collection, collectinfo,err,logout);
|
---|
1832 | text_t meta_value = "";
|
---|
1833 | text_t lang;
|
---|
1834 | disp.expandstring("_cgiargl_",lang);
|
---|
1835 | if (lang.empty()) {
|
---|
1836 | lang = "en";
|
---|
1837 | }
|
---|
1838 |
|
---|
1839 | if (err == noError) {
|
---|
1840 | meta_value = collectinfo.get_collectionmeta(meta_name, lang);
|
---|
1841 | }
|
---|
1842 | return meta_value;
|
---|
1843 |
|
---|
1844 |
|
---|
1845 | }
|
---|
1846 | text_t format_string (const text_t& collection, recptproto* collectproto,
|
---|
1847 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1848 | format_t *formatlistptr, text_tmap &options,
|
---|
1849 | ostream& logout) {
|
---|
1850 |
|
---|
1851 | if (formatlistptr == NULL) return "";
|
---|
1852 |
|
---|
1853 | switch (formatlistptr->command) {
|
---|
1854 | case comOID:
|
---|
1855 | return docinfo.OID;
|
---|
1856 | case comTopOID:
|
---|
1857 | {
|
---|
1858 | text_t top_id;
|
---|
1859 | get_top(docinfo.OID, top_id);
|
---|
1860 | return top_id;
|
---|
1861 | }
|
---|
1862 | case comRank:
|
---|
1863 | return text_t(docinfo.ranking);
|
---|
1864 | case comText:
|
---|
1865 | return formatlistptr->text;
|
---|
1866 | case comLink:
|
---|
1867 | return options["link"];
|
---|
1868 | case comEndLink:
|
---|
1869 | {
|
---|
1870 | if (options["link"].empty()) return "";
|
---|
1871 | else return "</a>";
|
---|
1872 | }
|
---|
1873 | case comHref:
|
---|
1874 | return get_href(options["link"]);
|
---|
1875 | case comIcon:
|
---|
1876 | return options["icon"];
|
---|
1877 | case comNum:
|
---|
1878 | return docinfo.result_num;
|
---|
1879 | case comRel: //if [RelatedDocuments] appears in format string, collect relation data
|
---|
1880 | return get_related_docs(collection, collectproto, docinfo, logout);
|
---|
1881 |
|
---|
1882 | case comSummary:
|
---|
1883 | return format_summary(collection, collectproto, docinfo, disp, options, logout);
|
---|
1884 | case comAssocLink:
|
---|
1885 | {
|
---|
1886 | text_t link_filename = get_meta(collection, collectproto, docinfo, disp, formatlistptr->meta, options, logout);
|
---|
1887 | if (!link_filename.empty()) {
|
---|
1888 | text_t href= expand_metadata(options["assocfilepath"], collection, collectproto, docinfo, disp, options, logout) + link_filename;
|
---|
1889 | if (formatlistptr->text == "href") {
|
---|
1890 | return href;
|
---|
1891 | }
|
---|
1892 | return "<a href=\""+ href + "\">";
|
---|
1893 | }
|
---|
1894 | return "";
|
---|
1895 | }
|
---|
1896 | case comEndAssocLink:
|
---|
1897 | {
|
---|
1898 | text_t link_filename = get_meta(collection, collectproto, docinfo, disp, formatlistptr->meta, options, logout);
|
---|
1899 | if (!link_filename.empty()) {
|
---|
1900 | return "</a>";
|
---|
1901 | }
|
---|
1902 | return "";
|
---|
1903 | }
|
---|
1904 | case comMeta:
|
---|
1905 | {
|
---|
1906 | const text_t& metavalue = get_meta (collection,collectproto, docinfo, disp,formatlistptr->meta,options,logout);
|
---|
1907 | return expand_metadata(metavalue, collection, collectproto, docinfo, disp, options, logout);
|
---|
1908 | }
|
---|
1909 |
|
---|
1910 | case comDoc:
|
---|
1911 | return format_text(collection, collectproto, docinfo, disp, options, logout);
|
---|
1912 |
|
---|
1913 | case comImage:
|
---|
1914 | return expand_metadata(options["DocImage"], collection, collectproto, docinfo, disp, options, logout);
|
---|
1915 | case comTOC:
|
---|
1916 | return options["DocTOC"];
|
---|
1917 | case comDocumentButtonDetach:
|
---|
1918 | return options["DocumentButtonDetach"];
|
---|
1919 | case comDocumentButtonHighlight:
|
---|
1920 | return options["DocumentButtonHighlight"];
|
---|
1921 | case comDocumentButtonExpandContents:
|
---|
1922 | return options["DocumentButtonExpandContents"];
|
---|
1923 | case comDocumentButtonExpandText:
|
---|
1924 | return options["DocumentButtonExpandText"];
|
---|
1925 | case comHighlight:
|
---|
1926 | if (options["highlight"] == "1") return "<b>";
|
---|
1927 | break;
|
---|
1928 | case comEndHighlight:
|
---|
1929 | if (options["highlight"] == "1") return "</b>";
|
---|
1930 | break;
|
---|
1931 | case comMetadataSpanWrap:
|
---|
1932 | metadata_wrap=true; metadata_wrap_type="span"; return "";
|
---|
1933 | break;
|
---|
1934 | case comEndMetadataSpanWrap:
|
---|
1935 | metadata_wrap=false; metadata_wrap_type=""; return "";
|
---|
1936 | break;
|
---|
1937 | case comMetadataDivWrap:
|
---|
1938 | metadata_wrap=true; metadata_wrap_type="div"; return "";
|
---|
1939 | break;
|
---|
1940 | case comEndMetadataDivWrap:
|
---|
1941 | metadata_wrap=false; metadata_wrap_type=""; return "";
|
---|
1942 | break;
|
---|
1943 | case comIf:
|
---|
1944 | return get_if (collection, collectproto, docinfo, disp,
|
---|
1945 | formatlistptr->decision, formatlistptr->ifptr,
|
---|
1946 | formatlistptr->elseptr, options, logout);
|
---|
1947 | case comOr:
|
---|
1948 | return get_or (collection,collectproto, docinfo, disp, formatlistptr->orptr,
|
---|
1949 | options, logout);
|
---|
1950 | case comDocTermsFreqTotal:
|
---|
1951 | return docinfo.num_terms_matched;
|
---|
1952 | case comCollection:
|
---|
1953 | if (formatlistptr->meta.metaname == g_EmptyText) {
|
---|
1954 | return collection;
|
---|
1955 | }
|
---|
1956 | return get_collection_meta(collection, collectproto, disp, formatlistptr->meta.metaname, logout);
|
---|
1957 |
|
---|
1958 | }
|
---|
1959 | return "";
|
---|
1960 | }
|
---|
1961 |
|
---|
1962 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
1963 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1964 | format_t *formatlistptr, text_tmap &options,
|
---|
1965 | ostream& logout) {
|
---|
1966 |
|
---|
1967 | text_t ft;
|
---|
1968 | while (formatlistptr != NULL)
|
---|
1969 | {
|
---|
1970 | ft += format_string (collection, collectproto, docinfo, disp, formatlistptr,
|
---|
1971 | options, logout);
|
---|
1972 | formatlistptr = formatlistptr->nextptr;
|
---|
1973 | }
|
---|
1974 |
|
---|
1975 | return ft;
|
---|
1976 | }
|
---|
1977 |
|
---|
1978 |
|
---|
1979 | // we have only preloaded the text in DocumentAction. But you may want
|
---|
1980 | // to get the text in query, so copy what we have done with
|
---|
1981 | // format_summary and get the text here. Probably is quite expensive?
|
---|
1982 | text_t format_text (const text_t& collection, recptproto* collectproto,
|
---|
1983 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1984 | text_tmap &options, ostream& logout)
|
---|
1985 | {
|
---|
1986 | text_t text;
|
---|
1987 |
|
---|
1988 | if (!options["text"].empty()) {
|
---|
1989 | text = options["text"];
|
---|
1990 | }
|
---|
1991 | else {
|
---|
1992 | // get document text here
|
---|
1993 | DocumentRequest_t docrequest;
|
---|
1994 | DocumentResponse_t docresponse;
|
---|
1995 | comerror_t err;
|
---|
1996 | docrequest.OID = docinfo.OID;
|
---|
1997 | collectproto->get_document (collection, docrequest, docresponse, err, logout);
|
---|
1998 | text = docresponse.doc;
|
---|
1999 | }
|
---|
2000 |
|
---|
2001 | if (metadata_wrap) {
|
---|
2002 | text = wrap_metatext(text,docinfo.OID,"Text");
|
---|
2003 | }
|
---|
2004 |
|
---|
2005 | return text;
|
---|
2006 | }
|
---|
2007 |
|
---|
2008 | /* FUNCTION NAME: format_summary
|
---|
2009 | * DESC: this is invoked when a [Summary] special metadata is processed.
|
---|
2010 | * RETURNS: a query-biased summary for the document */
|
---|
2011 |
|
---|
2012 | text_t format_summary (const text_t& collection, recptproto* collectproto,
|
---|
2013 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
2014 | text_tmap &options, ostream& logout) {
|
---|
2015 |
|
---|
2016 | // GRB: added code here to ensure that the cstr (and other collections)
|
---|
2017 | // uses the document metadata item Summary, rather than compressing
|
---|
2018 | // the text of the document, processed via the methods in
|
---|
2019 | // summarise.cpp
|
---|
2020 |
|
---|
2021 | text_t summary;
|
---|
2022 |
|
---|
2023 | if (docinfo.metadata.count("Summary") > 0 &&
|
---|
2024 | docinfo.metadata["Summary"].values.size() > 0) {
|
---|
2025 | summary = docinfo.metadata["Summary"].values[0];
|
---|
2026 | }
|
---|
2027 | else {
|
---|
2028 |
|
---|
2029 | text_t textToSummarise, query;
|
---|
2030 |
|
---|
2031 | if(options["text"].empty()) { // get document text
|
---|
2032 | DocumentRequest_t docrequest;
|
---|
2033 | DocumentResponse_t docresponse;
|
---|
2034 | comerror_t err;
|
---|
2035 | docrequest.OID = docinfo.OID;
|
---|
2036 | collectproto->get_document (collection, docrequest, docresponse, err, logout);
|
---|
2037 | textToSummarise = docresponse.doc;
|
---|
2038 | }
|
---|
2039 | else {
|
---|
2040 | // in practice, this would not happen, because text is only
|
---|
2041 | // loaded with the [Text] command
|
---|
2042 | textToSummarise = options["text"];
|
---|
2043 | }
|
---|
2044 |
|
---|
2045 | disp.expandstring("_cgiargq_",query);
|
---|
2046 | summary = summarise(textToSummarise,query,80);
|
---|
2047 | //summary = substr(textToSummarise.begin(),textToSummarise.begin()+80);
|
---|
2048 | }
|
---|
2049 |
|
---|
2050 | summary.replace("'","'");
|
---|
2051 | summary.replace("\n","
");
|
---|
2052 |
|
---|
2053 | if (metadata_wrap) {
|
---|
2054 | summary = wrap_metatext(summary,docinfo.OID,"Summary");
|
---|
2055 | }
|
---|
2056 |
|
---|
2057 | return summary;
|
---|
2058 | }
|
---|