[347] | 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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[533] | 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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[347] | 9 | *
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[533] | 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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[347] | 24 | *********************************************************************/
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| 25 |
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| 26 | #include "formattools.h"
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[462] | 27 | #include "cgiutils.h"
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[15418] | 28 | #include "recptprototools.h"
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[1443] | 29 | #include "OIDtools.h"
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[2967] | 30 | #include "summarise.h"
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[1443] | 31 |
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[1257] | 32 | #include <assert.h>
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[347] | 33 |
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[354] | 34 | // a few function prototypes
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[5788] | 35 |
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[1443] | 36 | static text_t format_string (const text_t& collection, recptproto* collectproto,
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[1610] | 37 | ResultDocInfo_t &docinfo, displayclass &disp,
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[5788] | 38 | format_t *formatlistptr, text_tmap &options,
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| 39 | ostream& logout);
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[354] | 40 |
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| 41 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
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[649] | 42 | format_t *formatlistptr, text_tset &metadata, bool &getParents);
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[354] | 43 |
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[5788] | 44 | static text_t format_summary (const text_t& collection, recptproto* collectproto,
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| 45 | ResultDocInfo_t &docinfo, displayclass &disp,
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| 46 | text_tmap &options, ostream& logout);
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[9852] | 47 | static text_t format_text (const text_t& collection, recptproto* collectproto,
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| 48 | ResultDocInfo_t &docinfo, displayclass &disp,
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| 49 | text_tmap &options, ostream& logout);
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[2967] | 50 |
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[9401] | 51 | static text_t expand_metadata(const text_t &metavalue, const text_t& collection,
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| 52 | recptproto* collectproto, ResultDocInfo_t &docinfo,
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| 53 | displayclass &disp, text_tmap &options,
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| 54 | ostream &logout);
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[2967] | 55 |
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[9401] | 56 |
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[347] | 57 | void metadata_t::clear() {
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[410] | 58 | metaname.clear();
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[462] | 59 | metacommand = mNone;
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[9401] | 60 | mqualifier.parent = pNone;
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| 61 | mqualifier.sibling = sNone;
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| 62 | mqualifier.child = cNone;
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[19046] | 63 | pre_tree_traverse.clear();
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[10415] | 64 | parentoptions.clear();
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| 65 | siblingoptions.clear();
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| 66 | childoptions.clear();
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[749] | 67 | }
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[347] | 68 |
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| 69 | void decision_t::clear() {
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| 70 | command = dMeta;
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| 71 | meta.clear();
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[1610] | 72 | text.clear();
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[749] | 73 | }
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[347] | 74 |
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| 75 | void format_t::clear() {
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| 76 | command = comText;
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| 77 | decision.clear();
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| 78 | text.clear();
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| 79 | meta.clear();
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| 80 | nextptr = NULL;
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| 81 | ifptr = NULL;
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| 82 | elseptr = NULL;
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| 83 | orptr = NULL;
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[749] | 84 | }
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[347] | 85 |
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[442] | 86 | void formatinfo_t::clear() {
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[1079] | 87 | DocumentImages = false;
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| 88 | DocumentTitles = true;
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| 89 | DocumentHeading = "{Or}{[parent(Top):Title],[Title],untitled}<br>";
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| 90 | DocumentContents = true;
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[1941] | 91 | DocumentArrowsBottom = true;
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[5788] | 92 | DocumentArrowsTop = false;
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[13365] | 93 | DocumentSearchResultLinks = false;
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[442] | 94 | DocumentButtons.erase (DocumentButtons.begin(), DocumentButtons.end());
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[1496] | 95 | // DocumentButtons.push_back ("Expand Text");
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| 96 | // DocumentButtons.push_back ("Expand Contents");
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[442] | 97 | DocumentButtons.push_back ("Detach");
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| 98 | DocumentButtons.push_back ("Highlight");
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[1941] | 99 | RelatedDocuments = "";
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[11146] | 100 | DocumentText = "[Text]";
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[649] | 101 | formatstrings.erase (formatstrings.begin(), formatstrings.end());
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[868] | 102 | DocumentUseHTML = false;
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[5788] | 103 | AllowExtendedOptions = false;
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[442] | 104 | }
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| 105 |
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[749] | 106 | // simply checks to see if formatstring begins with a <td> tag
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| 107 | bool is_table_content (const text_t &formatstring) {
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| 108 | text_t::const_iterator here = formatstring.begin();
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| 109 | text_t::const_iterator end = formatstring.end();
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| 110 |
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| 111 | while (here != end) {
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| 112 | if (*here != ' ') {
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[1257] | 113 | if ((*here == '<') && ((here+3) < end)) {
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[749] | 114 | if ((*(here+1) == 't' || *(here+1) == 'T') &&
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| 115 | (*(here+2) == 'd' || *(here+2) == 'D') &&
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| 116 | (*(here+3) == '>' || *(here+3) == ' '))
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| 117 | return true;
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| 118 | } else return false;
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| 119 | }
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[9620] | 120 | ++here;
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[749] | 121 | }
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| 122 | return false;
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| 123 | }
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| 124 |
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| 125 | bool is_table_content (const format_t *formatlistptr) {
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| 126 |
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| 127 | if (formatlistptr == NULL) return false;
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| 128 |
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| 129 | if (formatlistptr->command == comText)
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| 130 | return is_table_content (formatlistptr->text);
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| 131 |
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| 132 | return false;
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| 133 | }
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| 134 |
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[649] | 135 | // returns false if key isn't in formatstringmap
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| 136 | bool get_formatstring (const text_t &key, const text_tmap &formatstringmap,
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| 137 | text_t &formatstring) {
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[442] | 138 |
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[649] | 139 | formatstring.clear();
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| 140 | text_tmap::const_iterator it = formatstringmap.find(key);
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| 141 | if (it == formatstringmap.end()) return false;
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| 142 | formatstring = (*it).second;
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| 143 | return true;
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| 144 | }
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[749] | 145 |
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[649] | 146 | // tries to find "key1key2" then "key1" then "key2"
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| 147 | bool get_formatstring (const text_t &key1, const text_t &key2,
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| 148 | 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(key1 + key2);
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| 153 | if (it != formatstringmap.end()) {
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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 | it = formatstringmap.find(key1);
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| 158 | if (it != formatstringmap.end()) {
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| 159 | formatstring = (*it).second;
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| 160 | return true;
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| 161 | }
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| 162 | it = formatstringmap.find(key2);
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| 163 | if (it != formatstringmap.end()) {
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| 164 | formatstring = (*it).second;
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| 165 | return true;
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| 166 | }
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| 167 | return false;
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| 168 | }
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| 169 |
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| 170 |
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[6645] | 171 | text_t remove_namespace(const text_t &meta_name) {
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| 172 | text_t::const_iterator end = meta_name.end();
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| 173 | text_t::const_iterator it = findchar(meta_name.begin(), end, '.');
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| 174 | if (it != end) {
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| 175 | return substr(it+1, end);
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| 176 | }
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[12567] | 177 |
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[6645] | 178 | return meta_name;
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| 179 |
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| 180 | }
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[12567] | 181 | // returns a date of form _format:date_(year, month, day)
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| 182 | // input is date of type yyyy-?mm-?dd
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[410] | 183 | // at least the year must be present in date
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[422] | 184 | text_t format_date (const text_t &date) {
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[347] | 185 |
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[410] | 186 | if (date.size() < 4) return "";
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[347] | 187 |
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[410] | 188 | text_t::const_iterator datebegin = date.begin();
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[354] | 189 |
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[410] | 190 | text_t year = substr (datebegin, datebegin+4);
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[12567] | 191 | int chars_seen_so_far = 4;
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[410] | 192 |
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[12567] | 193 | if (date[chars_seen_so_far] == '-') ++chars_seen_so_far ;
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| 194 | if (date.size() < chars_seen_so_far+2) return "_format:date_("+year+")";
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| 195 |
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| 196 | text_t month = substr (datebegin+chars_seen_so_far, datebegin+chars_seen_so_far+2);
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[410] | 197 | int imonth = month.getint();
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[12567] | 198 | if (imonth <= 0 || imonth > 12) return "_format:date_("+year+")";
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| 199 |
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| 200 | chars_seen_so_far += 2;
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| 201 | if (date[chars_seen_so_far] == '-') ++chars_seen_so_far ;
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| 202 |
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| 203 | if (date.size() < chars_seen_so_far+2) return "_format:date_("+year+","+month+")";
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[410] | 204 |
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[12567] | 205 | text_t day = substr (datebegin+chars_seen_so_far, datebegin+chars_seen_so_far+2);
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[410] | 206 | if (day[0] == '0') day = substr (day.begin()+1, day.end());
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| 207 | int iday = day.getint();
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[12567] | 208 | if (iday <= 0 || iday > 31) return "_format:date_("+year+","+month+")";
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[410] | 209 |
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[12567] | 210 | return "_format:date_("+year+","+month+","+day+")";
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[410] | 211 | }
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| 212 |
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[2001] | 213 | // converts an iso639 language code to its English equivalent
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[12567] | 214 | // should we be checking that the macro exists??
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[2001] | 215 | text_t iso639 (const text_t &langcode) {
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[12567] | 216 | if (langcode.empty()) return "";
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| 217 | return "_iso639:iso639"+langcode+"_";
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[2001] | 218 | }
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| 219 |
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[12567] | 220 |
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[2706] | 221 | text_t get_href (const text_t &link) {
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| 222 |
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| 223 | text_t href;
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| 224 |
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| 225 | text_t::const_iterator here = findchar(link.begin(), link.end(), '"');
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| 226 | text_t::const_iterator end = link.end();
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[13117] | 227 | if (here == end) return g_EmptyText;
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[2706] | 228 |
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[9620] | 229 | ++here;
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[2706] | 230 | while (here != end) {
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| 231 | if (*here == '"') break;
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| 232 | href.push_back(*here);
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[9620] | 233 | ++here;
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[2706] | 234 | }
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| 235 |
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| 236 | return href;
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| 237 | }
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| 238 |
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[1941] | 239 | //this function gets the information associated with the relation
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| 240 | //metadata for the document associated with 'docinfo'. This relation
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| 241 | //metadata consists of a line of pairs containing 'collection, document OID'
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| 242 | //(this is the OID of the document related to the current document, and
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| 243 | //the collection the related document belongs to). For each of these pairs
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| 244 | //the title metadata is obtained and then an html link between the title
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| 245 | //of the related doc and the document's position (the document will be
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| 246 | //found in "<a href=\"_httpdocument_&c=collection&cl=search&d=OID">
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| 247 | //(where collection is the related documents collection, and OID is the
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| 248 | //related documents OID). A list of these html links are made for as many
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| 249 | //related documents as there are. This list is then returned. If there are
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| 250 | //no related documents available for the current document then the string
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| 251 | //'.. no related documents .. ' is returned.
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| 252 | text_t get_related_docs(const text_t& collection, recptproto* collectproto,
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[9948] | 253 | ResultDocInfo_t &docinfo, ostream& logout){
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[1941] | 254 |
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| 255 | text_tset metadata;
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| 256 |
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| 257 | //insert the metadata we wish to collect
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[11324] | 258 | metadata.insert("dc.Relation");
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[1941] | 259 | metadata.insert("Title");
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| 260 | metadata.insert("Subject"); //for emails, where title data doesn't apply
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| 261 |
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| 262 | FilterResponse_t response;
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| 263 | text_t relation = ""; //string for displaying relation metadata
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| 264 | text_t relationTitle = ""; //the related documents Title (or subject)
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[1963] | 265 | text_t relationOID = ""; //the related documents OID
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[1941] | 266 |
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| 267 | //get the information associated with the metadata for current doc
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[7432] | 268 | if (get_info (docinfo.OID, collection, "", metadata,
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[1941] | 269 | false, collectproto, response, logout)) {
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| 270 |
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| 271 | //if the relation metadata exists, store for displaying
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[11324] | 272 | if(!response.docInfo[0].metadata["dc.Relation"].values.empty()){
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| 273 | relationOID += response.docInfo[0].metadata["dc.Relation"].values[0];
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[1941] | 274 |
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| 275 | //split relation data into pairs of collectionname,ID number
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| 276 | text_tarray relationpairs;
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| 277 | splitchar (relationOID.begin(), relationOID.end(), ' ', relationpairs);
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| 278 |
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| 279 | text_tarray::const_iterator currDoc = relationpairs.begin();
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| 280 | text_tarray::const_iterator lastDoc = relationpairs.end();
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| 281 |
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| 282 | //iterate through the pairs to split and display
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| 283 | while(currDoc != lastDoc){
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| 284 |
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| 285 | //split pairs into collectionname and ID
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| 286 | text_tarray relationdata;
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| 287 | splitchar ((*currDoc).begin(), (*currDoc).end(), ',', relationdata);
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| 288 |
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| 289 | //get first element in the array (collection)
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| 290 | text_tarray::const_iterator doc_data = relationdata.begin();
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| 291 | text_t document_collection = *doc_data;
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[9620] | 292 | ++doc_data; //increment to get next item in array (oid)
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[1941] | 293 | text_t document_OID = *doc_data;
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| 294 |
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| 295 | //create html link to related document
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| 296 | relation += "<a href=\"_httpdocument_&c=" + document_collection;
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| 297 | relation += "&cl=search&d=" + document_OID;
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| 298 |
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| 299 | //get the information associated with the metadata for related doc
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[7432] | 300 | if (get_info (document_OID, document_collection, "", metadata,
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[1941] | 301 | false, collectproto, response, logout)) {
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| 302 |
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| 303 | //if title metadata doesn't exist, collect subject metadata
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| 304 | //if that doesn't exist, just call it 'related document'
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| 305 | if (!response.docInfo[0].metadata["Title"].values[0].empty())
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| 306 | relationTitle = response.docInfo[0].metadata["Title"].values[0];
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| 307 | else if (!response.docInfo[0].metadata["Subject"].values.empty())
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| 308 | relationTitle = response.docInfo[0].metadata["Subject"].values[0];
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| 309 | else relationTitle = "RELATED DOCUMENT";
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| 310 |
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| 311 | }
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| 312 |
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| 313 | //link the related document's title to its page
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| 314 | relation += "\">" + relationTitle + "</a>";
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| 315 | relation += " (" + document_collection + ")<br>";
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| 316 |
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[9620] | 317 | ++currDoc;
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[1941] | 318 | }
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| 319 | }
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| 320 |
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| 321 | }
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| 322 |
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| 323 | if(relation.empty()) //no relation data for documnet
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| 324 | relation = ".. no related documents .. ";
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| 325 |
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| 326 | return relation;
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| 327 | }
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| 328 |
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| 329 |
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| 330 |
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[354] | 331 | static void get_parent_options (text_t &instring, metadata_t &metaoption) {
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| 332 |
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[1257] | 333 | assert (instring.size() > 7);
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| 334 | if (instring.size() <= 7) return;
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| 335 |
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[354] | 336 | text_t meta, com, op;
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| 337 | bool inbraces = false;
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| 338 | bool inquotes = false;
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| 339 | bool foundcolon = false;
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| 340 | text_t::const_iterator here = instring.begin()+6;
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| 341 | text_t::const_iterator end = instring.end();
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| 342 | while (here != end) {
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[10415] | 343 | if (foundcolon) meta.push_back (*here);
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| 344 | else if (*here == '(') inbraces = true;
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[354] | 345 | else if (*here == ')') inbraces = false;
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| 346 | else if (*here == '\'' && !inquotes) inquotes = true;
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| 347 | else if (*here == '\'' && inquotes) inquotes = false;
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| 348 | else if (*here == ':' && !inbraces) foundcolon = true;
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| 349 | else if (inquotes) op.push_back (*here);
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| 350 | else com.push_back (*here);
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[9620] | 351 | ++here;
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[354] | 352 | }
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[9401] | 353 |
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[354] | 354 | instring = meta;
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| 355 | if (com.empty())
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[9401] | 356 | metaoption.mqualifier.parent = pImmediate;
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[354] | 357 | else if (com == "Top")
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[9401] | 358 | metaoption.mqualifier.parent = pTop;
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[649] | 359 | else if (com == "All") {
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[9401] | 360 | metaoption.mqualifier.parent = pAll;
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[10415] | 361 | metaoption.parentoptions = op;
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[354] | 362 | }
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| 363 | }
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| 364 |
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[5787] | 365 |
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| 366 | static void get_sibling_options (text_t &instring, metadata_t &metaoption) {
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| 367 |
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| 368 | assert (instring.size() > 8);
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| 369 | if (instring.size() <= 8) return;
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| 370 | text_t meta, com, op;
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| 371 | bool inbraces = false;
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| 372 | bool inquotes = false;
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| 373 | bool foundcolon = false;
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| 374 | text_t::const_iterator here = instring.begin()+7;
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| 375 | text_t::const_iterator end = instring.end();
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| 376 | while (here != end) {
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[10415] | 377 | if (foundcolon) meta.push_back (*here);
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| 378 | else if (*here == '(') inbraces = true;
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[5787] | 379 | else if (*here == ')') inbraces = false;
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| 380 | else if (*here == '\'' && !inquotes) inquotes = true;
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| 381 | else if (*here == '\'' && inquotes) inquotes = false;
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[10415] | 382 | else if (*here == ':' && !inbraces) foundcolon = true;
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[5787] | 383 | else if (inquotes) op.push_back (*here);
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| 384 | else com.push_back (*here);
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[9620] | 385 | ++here;
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[5787] | 386 | }
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| 387 |
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| 388 | instring = meta;
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[10415] | 389 | metaoption.siblingoptions.clear();
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[5787] | 390 |
|
---|
| 391 | if (com.empty()) {
|
---|
[9401] | 392 | metaoption.mqualifier.sibling = sAll;
|
---|
[10415] | 393 | metaoption.siblingoptions = " ";
|
---|
[5787] | 394 | }
|
---|
[10415] | 395 | else if (com == "first") {
|
---|
| 396 | metaoption.mqualifier.sibling = sNum;
|
---|
| 397 | metaoption.siblingoptions = "0";
|
---|
| 398 | }
|
---|
| 399 | else if (com == "last") {
|
---|
| 400 | metaoption.mqualifier.sibling = sNum;
|
---|
| 401 | metaoption.siblingoptions = "-2"; // == last
|
---|
| 402 | }
|
---|
| 403 | else if (com.getint()>0) {
|
---|
| 404 | metaoption.mqualifier.sibling = sNum;
|
---|
| 405 | int pos = com.getint()-1;
|
---|
| 406 | metaoption.siblingoptions +=pos;
|
---|
| 407 | }
|
---|
[5787] | 408 | else {
|
---|
[9401] | 409 | metaoption.mqualifier.sibling = sAll;
|
---|
[10415] | 410 | metaoption.siblingoptions = op;
|
---|
[5787] | 411 | }
|
---|
| 412 | }
|
---|
| 413 |
|
---|
[9401] | 414 | static void get_child_options (text_t &instring, metadata_t &metaoption) {
|
---|
[5788] | 415 |
|
---|
[9401] | 416 | assert (instring.size() > 6);
|
---|
| 417 | if (instring.size() <= 6) return;
|
---|
| 418 | text_t meta, com, op;
|
---|
| 419 | bool inbraces = false;
|
---|
| 420 | bool inquotes = false;
|
---|
| 421 | bool foundcolon = false;
|
---|
| 422 | text_t::const_iterator here = instring.begin()+5;
|
---|
| 423 | text_t::const_iterator end = instring.end();
|
---|
| 424 | while (here != end) {
|
---|
[10415] | 425 | if (foundcolon) meta.push_back (*here);
|
---|
| 426 | else if (*here == '(') inbraces = true;
|
---|
[9401] | 427 | else if (*here == ')') inbraces = false;
|
---|
| 428 | else if (*here == '\'' && !inquotes) inquotes = true;
|
---|
| 429 | else if (*here == '\'' && inquotes) inquotes = false;
|
---|
| 430 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
| 431 | else if (inquotes) op.push_back (*here);
|
---|
| 432 | else com.push_back (*here);
|
---|
[9620] | 433 | ++here;
|
---|
[9401] | 434 | }
|
---|
| 435 |
|
---|
| 436 | instring = meta;
|
---|
| 437 | if (com.empty()) {
|
---|
| 438 | metaoption.mqualifier.child = cAll;
|
---|
[10415] | 439 | metaoption.childoptions = " ";
|
---|
[9401] | 440 | }
|
---|
| 441 | else if (com == "first") {
|
---|
| 442 | metaoption.mqualifier.child = cNum;
|
---|
[10415] | 443 | metaoption.childoptions = ".fc";
|
---|
[9401] | 444 | }
|
---|
| 445 | else if (com == "last") {
|
---|
| 446 | metaoption.mqualifier.child = cNum;
|
---|
[10415] | 447 | metaoption.childoptions = ".lc";
|
---|
[9401] | 448 | }
|
---|
| 449 | else if (com.getint()>0) {
|
---|
| 450 | metaoption.mqualifier.child = cNum;
|
---|
[10415] | 451 | metaoption.childoptions = "."+com;
|
---|
[9401] | 452 | }
|
---|
| 453 | else {
|
---|
| 454 | metaoption.mqualifier.child = cAll;
|
---|
[10415] | 455 | metaoption.childoptions = op;
|
---|
[9401] | 456 | }
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 |
|
---|
| 460 |
|
---|
[649] | 461 | static void parse_meta (text_t &meta, metadata_t &metaoption,
|
---|
| 462 | text_tset &metadata, bool &getParents) {
|
---|
[354] | 463 |
|
---|
[649] | 464 | if (meta.size() > 8 && (substr(meta.begin(), meta.begin()+8) == "cgisafe:")) {
|
---|
[5787] | 465 | metaoption.metacommand |= mCgiSafe;
|
---|
[649] | 466 | meta = substr (meta.begin()+8, meta.end());
|
---|
| 467 | }
|
---|
[12567] | 468 | if (meta.size() > 7 && (substr(meta.begin(), meta.begin()+7) == "format:")) {
|
---|
| 469 | metaoption.metacommand |= mSpecial;
|
---|
| 470 | meta = substr (meta.begin()+7, meta.end());
|
---|
| 471 | }
|
---|
[649] | 472 |
|
---|
[19046] | 473 | bool had_parent_or_child = true;
|
---|
| 474 | bool prev_was_parent = false;
|
---|
| 475 | bool prev_was_child = false;
|
---|
| 476 |
|
---|
| 477 | while (had_parent_or_child) {
|
---|
| 478 | if (meta.size() > 7
|
---|
| 479 | && (substr (meta.begin(), meta.begin()+6) == "parent")) {
|
---|
| 480 |
|
---|
| 481 | // clear out sibling and child (cmd and options)
|
---|
| 482 | metaoption.metacommand &= ~(mChild|mSibling);
|
---|
| 483 | metaoption.childoptions.clear();
|
---|
| 484 | metaoption.siblingoptions.clear();
|
---|
| 485 |
|
---|
| 486 | getParents = true;
|
---|
| 487 | metaoption.metacommand |= mParent;
|
---|
| 488 | get_parent_options (meta, metaoption);
|
---|
| 489 |
|
---|
| 490 | if (prev_was_parent) {
|
---|
| 491 | metaoption.pre_tree_traverse += ".pr";
|
---|
| 492 | }
|
---|
| 493 | else if (prev_was_child) {
|
---|
| 494 | metaoption.pre_tree_traverse += ".fc";
|
---|
| 495 | }
|
---|
| 496 |
|
---|
| 497 | prev_was_parent = true;
|
---|
| 498 | prev_was_child = false;
|
---|
| 499 | }
|
---|
| 500 | else if (meta.size() > 6
|
---|
| 501 | && (substr (meta.begin(), meta.begin()+5) == "child")) {
|
---|
| 502 |
|
---|
| 503 | // clear out sibling and parent (cmd and options)
|
---|
| 504 | metaoption.metacommand &= ~(mParent|mSibling);
|
---|
| 505 | metaoption.parentoptions.clear();
|
---|
| 506 | metaoption.siblingoptions.clear();
|
---|
| 507 |
|
---|
| 508 | metaoption.metacommand |= mChild;
|
---|
| 509 | get_child_options (meta, metaoption);
|
---|
| 510 | metadata.insert("contains");
|
---|
| 511 |
|
---|
| 512 | if (prev_was_parent) {
|
---|
| 513 | metaoption.pre_tree_traverse += ".pr";
|
---|
| 514 | }
|
---|
| 515 | else if (prev_was_child) {
|
---|
| 516 | metaoption.pre_tree_traverse += ".fc";
|
---|
| 517 | }
|
---|
| 518 |
|
---|
| 519 | prev_was_child = true;
|
---|
| 520 | prev_was_parent = false;
|
---|
| 521 | }
|
---|
| 522 | else {
|
---|
| 523 | prev_was_child = false;
|
---|
| 524 | prev_was_parent = false;
|
---|
| 525 | had_parent_or_child = false;
|
---|
| 526 | }
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | // parent/child can have sibling tacked on end also
|
---|
[10415] | 530 | if (meta.size() > 8 && (substr (meta.begin(), meta.begin()+7) == "sibling")) {
|
---|
| 531 | metaoption.metacommand |= mSibling;
|
---|
| 532 | get_sibling_options (meta, metaoption);
|
---|
| 533 | }
|
---|
| 534 |
|
---|
[7599] | 535 | // check for ex. which may occur in format statements
|
---|
| 536 | if (meta.size()>3 && (substr(meta.begin(), meta.begin()+3) == "ex.")) {
|
---|
| 537 | meta = substr (meta.begin()+3, meta.end());
|
---|
| 538 | }
|
---|
[649] | 539 | metadata.insert (meta);
|
---|
| 540 | metaoption.metaname = meta;
|
---|
[354] | 541 | }
|
---|
| 542 |
|
---|
[9948] | 543 | static void parse_coll_meta(text_t &meta, metadata_t &metaoption) {
|
---|
| 544 | if (meta == "collection") {
|
---|
| 545 | // no qualifiers
|
---|
| 546 | metaoption.metaname = g_EmptyText;
|
---|
| 547 | return;
|
---|
| 548 | }
|
---|
| 549 | meta = substr (meta.begin()+11, meta.end());
|
---|
| 550 | metaoption.metaname = meta;
|
---|
| 551 |
|
---|
| 552 | }
|
---|
| 553 |
|
---|
[649] | 554 | static void parse_meta (text_t &meta, format_t *formatlistptr,
|
---|
| 555 | text_tset &metadata, bool &getParents) {
|
---|
[354] | 556 |
|
---|
| 557 | if (meta == "link")
|
---|
| 558 | formatlistptr->command = comLink;
|
---|
| 559 | else if (meta == "/link")
|
---|
| 560 | formatlistptr->command = comEndLink;
|
---|
| 561 |
|
---|
[2706] | 562 | else if (meta == "href")
|
---|
| 563 | formatlistptr->command = comHref;
|
---|
| 564 |
|
---|
[354] | 565 | else if (meta == "num")
|
---|
| 566 | formatlistptr->command = comNum;
|
---|
| 567 |
|
---|
[407] | 568 | else if (meta == "icon")
|
---|
| 569 | formatlistptr->command = comIcon;
|
---|
| 570 |
|
---|
[442] | 571 | else if (meta == "Text")
|
---|
| 572 | formatlistptr->command = comDoc;
|
---|
[1941] | 573 |
|
---|
| 574 | else if (meta == "RelatedDocuments")
|
---|
| 575 | formatlistptr->command = comRel;
|
---|
[442] | 576 |
|
---|
[670] | 577 | else if (meta == "highlight")
|
---|
| 578 | formatlistptr->command = comHighlight;
|
---|
| 579 |
|
---|
| 580 | else if (meta == "/highlight")
|
---|
| 581 | formatlistptr->command = comEndHighlight;
|
---|
| 582 |
|
---|
[2967] | 583 | else if (meta == "Summary")
|
---|
| 584 | formatlistptr->command = comSummary;
|
---|
| 585 |
|
---|
[5788] | 586 | else if (meta == "DocImage")
|
---|
| 587 | formatlistptr->command = comImage;
|
---|
| 588 |
|
---|
| 589 | else if (meta == "DocTOC")
|
---|
| 590 | formatlistptr->command = comTOC;
|
---|
| 591 |
|
---|
| 592 | else if (meta == "DocumentButtonDetach")
|
---|
| 593 | formatlistptr->command = comDocumentButtonDetach;
|
---|
| 594 |
|
---|
| 595 | else if (meta == "DocumentButtonHighlight")
|
---|
| 596 | formatlistptr->command = comDocumentButtonHighlight;
|
---|
| 597 |
|
---|
| 598 | else if (meta == "DocumentButtonExpandContents")
|
---|
| 599 | formatlistptr->command = comDocumentButtonExpandContents;
|
---|
| 600 |
|
---|
| 601 | else if (meta == "DocumentButtonExpandText")
|
---|
| 602 | formatlistptr->command = comDocumentButtonExpandText;
|
---|
[6020] | 603 |
|
---|
| 604 | else if (meta == "DocOID")
|
---|
| 605 | formatlistptr->command = comOID;
|
---|
[13118] | 606 | else if (meta == "DocTopOID")
|
---|
| 607 | formatlistptr->command = comTopOID;
|
---|
[6710] | 608 | else if (meta == "DocRank")
|
---|
| 609 | formatlistptr->command = comRank;
|
---|
[16915] | 610 | else if (meta == "DocTermsFreqTotal")
|
---|
| 611 | formatlistptr->command = comDocTermsFreqTotal;
|
---|
[9948] | 612 | else if (meta.size() >= 10 && (substr(meta.begin(), meta.begin()+10) == "collection")) {
|
---|
| 613 | formatlistptr->command = comCollection;
|
---|
| 614 | parse_coll_meta(meta, formatlistptr->meta);
|
---|
| 615 | }
|
---|
[354] | 616 | else {
|
---|
| 617 | formatlistptr->command = comMeta;
|
---|
[649] | 618 | parse_meta (meta, formatlistptr->meta, metadata, getParents);
|
---|
[354] | 619 | }
|
---|
| 620 | }
|
---|
| 621 |
|
---|
[9948] | 622 |
|
---|
[354] | 623 | static bool parse_string (const text_t &formatstring, format_t *formatlistptr,
|
---|
[649] | 624 | text_tset &metadata, bool &getParents) {
|
---|
[354] | 625 |
|
---|
[347] | 626 | text_t text;
|
---|
| 627 | text_t::const_iterator here = formatstring.begin();
|
---|
| 628 | text_t::const_iterator end = formatstring.end();
|
---|
| 629 |
|
---|
| 630 | while (here != end) {
|
---|
| 631 |
|
---|
[1257] | 632 | if (*here == '\\') {
|
---|
[9620] | 633 | ++here;
|
---|
[1257] | 634 | if (here != end) text.push_back (*here);
|
---|
[347] | 635 |
|
---|
[1257] | 636 | } else if (*here == '{') {
|
---|
[347] | 637 | if (!text.empty()) {
|
---|
| 638 | formatlistptr->command = comText;
|
---|
| 639 | formatlistptr->text = text;
|
---|
| 640 | formatlistptr->nextptr = new format_t();
|
---|
| 641 | formatlistptr = formatlistptr->nextptr;
|
---|
| 642 |
|
---|
| 643 | text.clear();
|
---|
| 644 | }
|
---|
[649] | 645 | if (parse_action (++here, end, formatlistptr, metadata, getParents)) {
|
---|
[1443] | 646 |
|
---|
[347] | 647 | formatlistptr->nextptr = new format_t();
|
---|
| 648 | formatlistptr = formatlistptr->nextptr;
|
---|
| 649 | if (here == end) break;
|
---|
| 650 | }
|
---|
| 651 | } else if (*here == '[') {
|
---|
| 652 | if (!text.empty()) {
|
---|
| 653 | formatlistptr->command = comText;
|
---|
| 654 | formatlistptr->text = text;
|
---|
| 655 | formatlistptr->nextptr = new format_t();
|
---|
| 656 | formatlistptr = formatlistptr->nextptr;
|
---|
| 657 |
|
---|
| 658 | text.clear();
|
---|
| 659 | }
|
---|
| 660 | text_t meta;
|
---|
[9620] | 661 | ++here;
|
---|
[347] | 662 | while (*here != ']') {
|
---|
| 663 | if (here == end) return false;
|
---|
| 664 | meta.push_back (*here);
|
---|
[9620] | 665 | ++here;
|
---|
[347] | 666 | }
|
---|
[649] | 667 | parse_meta (meta, formatlistptr, metadata, getParents);
|
---|
| 668 | formatlistptr->nextptr = new format_t();
|
---|
| 669 | formatlistptr = formatlistptr->nextptr;
|
---|
[347] | 670 |
|
---|
| 671 | } else
|
---|
| 672 | text.push_back (*here);
|
---|
| 673 |
|
---|
[9620] | 674 | if (here != end) ++here;
|
---|
[347] | 675 | }
|
---|
| 676 | if (!text.empty()) {
|
---|
| 677 | formatlistptr->command = comText;
|
---|
| 678 | formatlistptr->text = text;
|
---|
| 679 | formatlistptr->nextptr = new format_t();
|
---|
| 680 | formatlistptr = formatlistptr->nextptr;
|
---|
| 681 |
|
---|
| 682 | }
|
---|
| 683 | return true;
|
---|
| 684 | }
|
---|
| 685 |
|
---|
| 686 |
|
---|
[354] | 687 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
|
---|
[649] | 688 | format_t *formatlistptr, text_tset &metadata, bool &getParents) {
|
---|
[354] | 689 |
|
---|
[347] | 690 | text_t::const_iterator it = findchar (here, end, '}');
|
---|
| 691 | if (it == end) return false;
|
---|
| 692 |
|
---|
| 693 | text_t com = substr (here, it);
|
---|
| 694 | here = findchar (it, end, '{');
|
---|
| 695 | if (here == end) return false;
|
---|
[9620] | 696 | else ++here;
|
---|
[347] | 697 |
|
---|
[7266] | 698 | if (com == "If" || com == "if" || com == "IF") formatlistptr->command = comIf;
|
---|
| 699 | else if (com == "Or" || com == "or" || com == "OR") formatlistptr->command = comOr;
|
---|
[347] | 700 | else return false;
|
---|
| 701 |
|
---|
| 702 | int commacount = 0;
|
---|
| 703 | text_t text;
|
---|
| 704 | while (here != end) {
|
---|
[636] | 705 |
|
---|
| 706 | if (*here == '\\') {
|
---|
[9745] | 707 | ++here;
|
---|
[636] | 708 | if (here != end) text.push_back(*here);
|
---|
| 709 |
|
---|
[1443] | 710 | }
|
---|
| 711 |
|
---|
| 712 | else if (*here == ',' || *here == '}' || *here == '{') {
|
---|
[347] | 713 |
|
---|
| 714 | if (formatlistptr->command == comOr) {
|
---|
| 715 | // the {Or}{this, or this, or this, or this} statement
|
---|
| 716 | format_t *or_ptr;
|
---|
| 717 |
|
---|
| 718 | // find the next unused orptr
|
---|
| 719 | if (formatlistptr->orptr == NULL) {
|
---|
| 720 | formatlistptr->orptr = new format_t();
|
---|
| 721 | or_ptr = formatlistptr->orptr;
|
---|
| 722 | } else {
|
---|
| 723 | or_ptr = formatlistptr->orptr;
|
---|
| 724 | while (or_ptr->nextptr != NULL)
|
---|
| 725 | or_ptr = or_ptr->nextptr;
|
---|
| 726 | or_ptr->nextptr = new format_t();
|
---|
| 727 | or_ptr = or_ptr->nextptr;
|
---|
| 728 | }
|
---|
| 729 |
|
---|
[1443] | 730 | if (!text.empty())
|
---|
| 731 | {
|
---|
| 732 | if (!parse_string(text, or_ptr, metadata, getParents)) { return false; }
|
---|
| 733 | }
|
---|
[347] | 734 |
|
---|
[1443] | 735 | if (*here == '{')
|
---|
| 736 | {
|
---|
| 737 | // Supports: {Or}{[Booktitle],[Title],{If}{[XXXX],aaa,bbb}}
|
---|
| 738 | // but not : {Or}{[Booktitle],[Title]{If}{[XXXX],aaa,bbb}}
|
---|
| 739 | // The latter can always be re-written:
|
---|
| 740 | // {Or}{[Booktitle],{If}{[Title],[Title]{If}{[XXXX],aaa,bbb}}}
|
---|
| 741 |
|
---|
| 742 | if (!text.empty()) // already used up allocated format_t
|
---|
| 743 | {
|
---|
| 744 | // => allocate new one for detected action
|
---|
| 745 | or_ptr->nextptr = new format_t();
|
---|
| 746 | or_ptr = or_ptr->nextptr;
|
---|
| 747 | }
|
---|
| 748 | if (!parse_action(++here, end, or_ptr, metadata, getParents))
|
---|
| 749 | {
|
---|
| 750 | return false;
|
---|
| 751 | }
|
---|
| 752 | }
|
---|
| 753 | else
|
---|
| 754 | {
|
---|
| 755 | if (*here == '}') break;
|
---|
| 756 | }
|
---|
[347] | 757 | text.clear();
|
---|
| 758 |
|
---|
[1610] | 759 | }
|
---|
| 760 |
|
---|
| 761 | // Parse an {If}{decide,do,else} statement
|
---|
| 762 | else {
|
---|
| 763 |
|
---|
| 764 | // Read the decision component.
|
---|
[347] | 765 | if (commacount == 0) {
|
---|
[1610] | 766 | // Decsion can be a metadata element, or a piece of text.
|
---|
| 767 | // Originally Stefan's code, updated 25/10/2000 by Gordon.
|
---|
[1443] | 768 |
|
---|
[347] | 769 | text_t::const_iterator beginbracket = text.begin();
|
---|
| 770 | text_t::const_iterator endbracket = (text.end() - 1);
|
---|
[1610] | 771 |
|
---|
| 772 | // Decision is based on a metadata element
|
---|
[347] | 773 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
[1610] | 774 | // Ignore the surrounding square brackets
|
---|
[347] | 775 | text_t meta = substr (beginbracket+1, endbracket);
|
---|
[649] | 776 | parse_meta (meta, formatlistptr->decision.meta, metadata, getParents);
|
---|
[9620] | 777 | ++commacount;
|
---|
[347] | 778 | text.clear();
|
---|
| 779 | }
|
---|
[1610] | 780 |
|
---|
| 781 | // Decision is a piece of text (probably a macro like _cgiargmode_).
|
---|
| 782 | else {
|
---|
[7389] | 783 |
|
---|
| 784 | // hunt for any metadata in string, which might be uses in
|
---|
| 785 | // to test a condition, e.g. [Format] eq 'PDF'
|
---|
| 786 | format_t* dummyformat = new format_t();
|
---|
| 787 | // update which metadata fields needed
|
---|
| 788 | // (not interested in updatng formatlistptr)
|
---|
| 789 | parse_string (text, dummyformat, metadata, getParents);
|
---|
| 790 | delete dummyformat;
|
---|
| 791 |
|
---|
[1610] | 792 | formatlistptr->decision.command = dText;
|
---|
| 793 | formatlistptr->decision.text = text;
|
---|
[9620] | 794 | ++commacount;
|
---|
[1610] | 795 | text.clear();
|
---|
| 796 | }
|
---|
| 797 | }
|
---|
| 798 |
|
---|
| 799 | // Read the "then" and "else" components of the {If} statement.
|
---|
| 800 | else {
|
---|
[1443] | 801 | format_t** nextlistptr = NULL;
|
---|
| 802 | if (commacount == 1) {
|
---|
[1610] | 803 | nextlistptr = &formatlistptr->ifptr;
|
---|
[1443] | 804 | } else if (commacount == 2 ) {
|
---|
| 805 | nextlistptr = &formatlistptr->elseptr;
|
---|
| 806 | } else {
|
---|
| 807 | return false;
|
---|
| 808 | }
|
---|
| 809 |
|
---|
| 810 | if (!text.empty()) {
|
---|
| 811 | if (*nextlistptr == NULL) {
|
---|
| 812 | *nextlistptr = new format_t();
|
---|
| 813 | } else {
|
---|
| 814 |
|
---|
| 815 | // skip to the end of any format_t statements already added
|
---|
| 816 | while ((*nextlistptr)->nextptr != NULL)
|
---|
| 817 | {
|
---|
| 818 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
| 819 | }
|
---|
| 820 |
|
---|
| 821 | (*nextlistptr)->nextptr = new format_t();
|
---|
| 822 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
| 823 | }
|
---|
| 824 |
|
---|
| 825 | if (!parse_string (text, *nextlistptr, metadata, getParents))
|
---|
| 826 | {
|
---|
| 827 | return false;
|
---|
| 828 | }
|
---|
| 829 | text.clear();
|
---|
| 830 | }
|
---|
[347] | 831 |
|
---|
[1443] | 832 | if (*here == '{')
|
---|
| 833 | {
|
---|
| 834 | if (*nextlistptr == NULL) {
|
---|
| 835 | *nextlistptr = new format_t();
|
---|
| 836 | } else {
|
---|
[7474] | 837 | // skip to the end of any format_t statements already added
|
---|
| 838 | while ((*nextlistptr)->nextptr != NULL)
|
---|
| 839 | {
|
---|
| 840 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
| 841 | }
|
---|
| 842 |
|
---|
[1443] | 843 | (*nextlistptr)->nextptr = new format_t();
|
---|
| 844 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
| 845 | }
|
---|
| 846 |
|
---|
| 847 | if (!parse_action(++here, end, *nextlistptr, metadata, getParents))
|
---|
| 848 | {
|
---|
| 849 | return false;
|
---|
| 850 | }
|
---|
| 851 | }
|
---|
| 852 | else
|
---|
| 853 | {
|
---|
| 854 | if (*here == '}') break;
|
---|
[9620] | 855 | ++commacount;
|
---|
[1443] | 856 | }
|
---|
[347] | 857 | }
|
---|
| 858 | }
|
---|
[636] | 859 |
|
---|
| 860 | } else text.push_back(*here);
|
---|
[347] | 861 |
|
---|
[9620] | 862 | if (here != end) ++here;
|
---|
[347] | 863 | }
|
---|
| 864 |
|
---|
| 865 | return true;
|
---|
| 866 | }
|
---|
| 867 |
|
---|
[354] | 868 |
|
---|
[347] | 869 | bool parse_formatstring (const text_t &formatstring, format_t *formatlistptr,
|
---|
[649] | 870 | text_tset &metadata, bool &getParents) {
|
---|
[347] | 871 |
|
---|
| 872 | formatlistptr->clear();
|
---|
| 873 | getParents = false;
|
---|
| 874 |
|
---|
[649] | 875 | return (parse_string (formatstring, formatlistptr, metadata, getParents));
|
---|
[347] | 876 | }
|
---|
| 877 |
|
---|
[10415] | 878 | // position -1 for all, -2 for the last, 0 for the first, or x for a particular piece
|
---|
| 879 | // metainfo has all the values for the metadata, meta has the request metadata name and options, position tells which values to get
|
---|
| 880 | static text_t get_formatted_meta_text(MetadataInfo_t &metainfo, const metadata_t &meta, int position, bool no_cgisafe = false)
|
---|
[9401] | 881 | {
|
---|
| 882 | text_t no_ns_metaname = remove_namespace(meta.metaname);
|
---|
| 883 | text_t tmp;
|
---|
| 884 | bool first = true;
|
---|
[649] | 885 |
|
---|
[9401] | 886 | const int start_i=0;
|
---|
| 887 | const int end_i = metainfo.values.size()-1;
|
---|
[10415] | 888 |
|
---|
| 889 | if (position == -1) { // all
|
---|
| 890 | for (int i=start_i; i<=end_i; ++i) {
|
---|
| 891 | if (!first) tmp += meta.siblingoptions;
|
---|
[12567] | 892 | if (meta.metacommand & mSpecial) {
|
---|
| 893 | // special formatting
|
---|
| 894 | if (no_ns_metaname == "Date") tmp += format_date (metainfo.values[i]);
|
---|
| 895 | else if (no_ns_metaname == "Language") tmp += iso639(metainfo.values[i]);
|
---|
| 896 | else tmp += "_format:"+meta.metaname+"_("+metainfo.values[i]+")";
|
---|
| 897 | }
|
---|
[10415] | 898 | else tmp += metainfo.values[i];
|
---|
| 899 | first = false;
|
---|
[9401] | 900 |
|
---|
[10415] | 901 | }
|
---|
| 902 | } else {
|
---|
| 903 | if (position == -2) { // end
|
---|
| 904 | position = end_i;
|
---|
| 905 | } else if (position < start_i || position > end_i) {
|
---|
| 906 | return "";
|
---|
| 907 | }
|
---|
[12567] | 908 | if (meta.metacommand & mSpecial) {
|
---|
| 909 | // special formatting
|
---|
| 910 | if (no_ns_metaname == "Date") tmp += format_date (metainfo.values[position]);
|
---|
| 911 | else if (no_ns_metaname == "Language") tmp += iso639(metainfo.values[position]);
|
---|
| 912 | else tmp += "_format:"+meta.metaname+"_("+metainfo.values[position]+")";
|
---|
| 913 | }
|
---|
[10415] | 914 | else tmp += metainfo.values[position];
|
---|
[9401] | 915 | }
|
---|
[13457] | 916 | if (meta.metacommand & mCgiSafe && !no_cgisafe) return cgi_safe_unicode (tmp);
|
---|
[9401] | 917 | else return tmp;
|
---|
| 918 | }
|
---|
[347] | 919 |
|
---|
[10415] | 920 | static text_t get_parent_meta (ResultDocInfo_t &docinfo, const metadata_t &meta, int siblings_values)
|
---|
[9401] | 921 | {
|
---|
| 922 |
|
---|
[649] | 923 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
[9401] | 924 | switch (meta.mqualifier.parent) {
|
---|
[347] | 925 | case pNone:
|
---|
[9401] | 926 | return "Nothing!!";
|
---|
| 927 | break;
|
---|
[5787] | 928 |
|
---|
[347] | 929 | case pImmediate:
|
---|
[649] | 930 | if (parent != NULL) {
|
---|
[10415] | 931 | return get_formatted_meta_text(*parent, meta, siblings_values);
|
---|
[410] | 932 | }
|
---|
[347] | 933 | break;
|
---|
| 934 |
|
---|
| 935 | case pTop:
|
---|
[649] | 936 | if (parent != NULL) {
|
---|
| 937 | while (parent->parent != NULL) parent = parent->parent;
|
---|
[10415] | 938 | return get_formatted_meta_text(*parent, meta, siblings_values);
|
---|
[410] | 939 | }
|
---|
[347] | 940 | break;
|
---|
| 941 |
|
---|
| 942 | case pAll:
|
---|
[649] | 943 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
| 944 | if (parent != NULL) {
|
---|
| 945 | text_tarray tmparray;
|
---|
| 946 | while (parent != NULL) {
|
---|
[10415] | 947 | tmparray.push_back (get_formatted_meta_text(*parent, meta, siblings_values, true)); // set no_cgisafe to true, as we'll do it once we have all the metadata
|
---|
[649] | 948 | parent = parent->parent;
|
---|
| 949 | }
|
---|
[10415] | 950 | // now join them up - use teh parent separator
|
---|
[649] | 951 | bool first = true;
|
---|
| 952 | text_t tmp;
|
---|
| 953 | text_tarray::reverse_iterator here = tmparray.rbegin();
|
---|
| 954 | text_tarray::reverse_iterator end = tmparray.rend();
|
---|
[359] | 955 | while (here != end) {
|
---|
[10415] | 956 | if (!first) tmp += meta.parentoptions;
|
---|
| 957 | tmp += *here;
|
---|
[359] | 958 | first = false;
|
---|
[9620] | 959 | ++here;
|
---|
[359] | 960 | }
|
---|
[13457] | 961 | if (meta.metacommand & mCgiSafe) return cgi_safe_unicode (tmp);
|
---|
[649] | 962 | else return tmp;
|
---|
[347] | 963 | }
|
---|
| 964 | }
|
---|
| 965 | return "";
|
---|
[9401] | 966 |
|
---|
[347] | 967 | }
|
---|
| 968 |
|
---|
[9948] | 969 | static text_t get_child_meta (const text_t& collection,
|
---|
| 970 | recptproto* collectproto,
|
---|
[9401] | 971 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
| 972 | const metadata_t &meta, text_tmap &options,
|
---|
[10415] | 973 | ostream& logout, int siblings_values)
|
---|
[9401] | 974 | {
|
---|
[10415] | 975 | if (docinfo.metadata["contains"].values[0].size()==0) return ""; // no children
|
---|
| 976 |
|
---|
[19046] | 977 | const text_t& pre_tree_trav = meta.pre_tree_traverse;
|
---|
[10415] | 978 | const text_t& child_metaname = meta.metaname;
|
---|
| 979 | const text_t& child_field = meta.childoptions;
|
---|
| 980 | text_tset child_metadata;
|
---|
| 981 | child_metadata.insert(child_metaname);
|
---|
[9401] | 982 |
|
---|
[10415] | 983 | FilterResponse_t child_response;
|
---|
| 984 | if (meta.mqualifier.child == cNum) {
|
---|
| 985 | // just one child
|
---|
| 986 | //get the information associated with the metadata for child doc
|
---|
[19046] | 987 | if (!get_info (docinfo.OID+pre_tree_trav+child_field, collection, "",
|
---|
| 988 | child_metadata, false, collectproto, child_response,
|
---|
| 989 | logout)) return ""; // invalid child number
|
---|
[9401] | 990 |
|
---|
[10415] | 991 | if (child_response.docInfo.empty()) return false; // no info for the child
|
---|
| 992 |
|
---|
| 993 | ResultDocInfo_t& child_docinfo = child_response.docInfo[0];
|
---|
| 994 | MetadataInfo_t& metaname_rec = child_docinfo.metadata[child_metaname];
|
---|
| 995 |
|
---|
| 996 | text_t child_metavalue = get_formatted_meta_text(metaname_rec,meta,siblings_values);
|
---|
| 997 | return expand_metadata(child_metavalue,collection,collectproto,
|
---|
| 998 | child_docinfo,disp,options,logout);
|
---|
| 999 | }
|
---|
| 1000 |
|
---|
[9401] | 1001 |
|
---|
[10415] | 1002 | if (meta.mqualifier.child != cAll) return false; // invalid qualifier
|
---|
[19046] | 1003 |
|
---|
| 1004 |
|
---|
| 1005 | if (!pre_tree_trav.empty()) {
|
---|
| 1006 | // need to get relevant "contains" metadata for new (e.g. pre tree trav) node
|
---|
| 1007 | FilterResponse_t trav_response;
|
---|
| 1008 |
|
---|
| 1009 | text_tset trav_metadata;
|
---|
| 1010 | trav_metadata.insert("contains");
|
---|
| 1011 |
|
---|
| 1012 | if (!get_info (docinfo.OID+pre_tree_trav, collection, "",
|
---|
| 1013 | trav_metadata, false, collectproto, trav_response,
|
---|
| 1014 | logout)) return ""; // invalid pre_tree_trav
|
---|
| 1015 |
|
---|
| 1016 | if (trav_response.docInfo.empty()) return false; // no info for the pre_tree_trav OID
|
---|
[10415] | 1017 |
|
---|
[19046] | 1018 | ResultDocInfo_t& trav_docinfo = trav_response.docInfo[0];
|
---|
| 1019 | // use this for rest of routine
|
---|
| 1020 | docinfo = trav_docinfo;
|
---|
| 1021 | }
|
---|
| 1022 |
|
---|
[10415] | 1023 | // we need to get all children
|
---|
| 1024 | text_t result = "";
|
---|
| 1025 | text_tarray children;
|
---|
| 1026 | text_t contains = docinfo.metadata["contains"].values[0];
|
---|
| 1027 | splitchar (contains.begin(), contains.end(), ';', children);
|
---|
| 1028 | text_tarray::const_iterator here = children.begin();
|
---|
| 1029 | text_tarray::const_iterator end = children.end();
|
---|
| 1030 | bool first = true;
|
---|
| 1031 | while (here !=end) {
|
---|
| 1032 | text_t oid = *here;
|
---|
| 1033 | here++;
|
---|
| 1034 | if (*(oid.begin()) == '"') translate_parent (oid, docinfo.OID);
|
---|
| 1035 |
|
---|
[9401] | 1036 | //get the information associated with the metadata for child doc
|
---|
[10415] | 1037 | if (!get_info (oid, collection, "", child_metadata,
|
---|
| 1038 | false, collectproto, child_response, logout) ||
|
---|
| 1039 | child_response.docInfo.empty()) {
|
---|
| 1040 | first = false;
|
---|
| 1041 | continue;
|
---|
| 1042 | }
|
---|
| 1043 |
|
---|
| 1044 |
|
---|
| 1045 | ResultDocInfo_t& child_docinfo = child_response.docInfo[0];
|
---|
| 1046 | MetadataInfo_t& metaname_rec = child_docinfo.metadata[child_metaname];
|
---|
| 1047 |
|
---|
| 1048 | text_t child_metavalue = get_formatted_meta_text(metaname_rec,meta,siblings_values);
|
---|
| 1049 | if (!first) result += child_field;
|
---|
| 1050 | first = false;
|
---|
| 1051 | // need to do this here cos otherwise we are in the wrong document
|
---|
| 1052 | result += expand_metadata(child_metavalue,collection,collectproto,
|
---|
[9401] | 1053 | child_docinfo,disp,options,logout);
|
---|
| 1054 | }
|
---|
[10415] | 1055 | return result;
|
---|
| 1056 |
|
---|
[9401] | 1057 | }
|
---|
| 1058 |
|
---|
| 1059 | static text_t get_meta (const text_t& collection, recptproto* collectproto,
|
---|
| 1060 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
| 1061 | const metadata_t &meta, text_tmap &options,
|
---|
| 1062 | ostream& logout) {
|
---|
| 1063 |
|
---|
| 1064 | // make sure we have the requested metadata
|
---|
| 1065 | MetadataInfo_tmap::iterator it = docinfo.metadata.find (meta.metaname);
|
---|
| 1066 | if (it == docinfo.metadata.end()) return "";
|
---|
| 1067 |
|
---|
[10415] | 1068 | int siblings_values = 0; // default is no siblings, just the first metadata available
|
---|
| 1069 | if (meta.metacommand & mSibling) {
|
---|
| 1070 | if (meta.mqualifier.sibling == sAll) {
|
---|
| 1071 | siblings_values = -1; //all
|
---|
| 1072 | } else if (meta.mqualifier.sibling == sNum) {
|
---|
| 1073 | siblings_values = meta.siblingoptions.getint();
|
---|
| 1074 | }
|
---|
| 1075 | }
|
---|
[9401] | 1076 | if (meta.metacommand & mParent) {
|
---|
[10415] | 1077 | return get_parent_meta(docinfo,meta,siblings_values);
|
---|
[9401] | 1078 | }
|
---|
[10415] | 1079 |
|
---|
[9401] | 1080 | else if (meta.metacommand & mChild) {
|
---|
| 1081 | return get_child_meta(collection,collectproto,docinfo,disp,meta,
|
---|
[10415] | 1082 | options,logout, siblings_values);
|
---|
[9401] | 1083 | }
|
---|
[10415] | 1084 | else if (meta.metacommand & mSibling) { // only siblings
|
---|
[9401] | 1085 | MetadataInfo_t& metaname_rec = docinfo.metadata[meta.metaname];
|
---|
[10415] | 1086 | return get_formatted_meta_text(docinfo.metadata[meta.metaname],meta, siblings_values);
|
---|
[9401] | 1087 | }
|
---|
| 1088 | else {
|
---|
| 1089 |
|
---|
| 1090 | // straightforward metadata request (nothing fancy)
|
---|
| 1091 |
|
---|
| 1092 | text_t classifier_metaname = docinfo.classifier_metadata_type;
|
---|
| 1093 | int metaname_index
|
---|
| 1094 | = (classifier_metaname == meta.metaname) ? docinfo.classifier_metadata_offset : 0;
|
---|
[10415] | 1095 | return get_formatted_meta_text(docinfo.metadata[meta.metaname], meta, metaname_index);
|
---|
[9401] | 1096 | }
|
---|
[10415] | 1097 |
|
---|
[9401] | 1098 | return "";
|
---|
| 1099 | }
|
---|
| 1100 |
|
---|
[1443] | 1101 | static text_t get_or (const text_t& collection, recptproto* collectproto,
|
---|
[1610] | 1102 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
[5788] | 1103 | format_t *orptr, text_tmap &options,
|
---|
[1443] | 1104 | ostream& logout) {
|
---|
[347] | 1105 |
|
---|
[354] | 1106 | text_t tmp;
|
---|
| 1107 | while (orptr != NULL) {
|
---|
[347] | 1108 |
|
---|
[9948] | 1109 | tmp = format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
[5788] | 1110 | options, logout);
|
---|
[354] | 1111 | if (!tmp.empty()) return tmp;
|
---|
| 1112 |
|
---|
| 1113 | orptr = orptr->nextptr;
|
---|
[347] | 1114 | }
|
---|
[354] | 1115 | return "";
|
---|
[347] | 1116 | }
|
---|
| 1117 |
|
---|
[7389] | 1118 | static bool char_is_whitespace(const char c)
|
---|
| 1119 | {
|
---|
| 1120 | return ((c == ' ') || (c == '\t') || (c == '\n') || (c == '\r'));
|
---|
| 1121 |
|
---|
| 1122 | }
|
---|
| 1123 |
|
---|
| 1124 | static int scan_over_whitespace(const text_t& outstring, const int start_pos)
|
---|
| 1125 | {
|
---|
| 1126 | int pos = start_pos;
|
---|
| 1127 | while (pos<outstring.size()) {
|
---|
| 1128 | if (!char_is_whitespace(outstring[pos])) {
|
---|
| 1129 | break;
|
---|
| 1130 | }
|
---|
[9620] | 1131 | ++pos;
|
---|
[7389] | 1132 | }
|
---|
| 1133 |
|
---|
| 1134 | return pos;
|
---|
| 1135 | }
|
---|
| 1136 |
|
---|
| 1137 | static int rscan_over_whitespace(const text_t& outstring, const int start_pos)
|
---|
| 1138 | {
|
---|
| 1139 | int pos = start_pos;
|
---|
| 1140 | while (pos>=0) {
|
---|
| 1141 | if (!char_is_whitespace(outstring[pos])) {
|
---|
| 1142 | break;
|
---|
| 1143 | }
|
---|
[9620] | 1144 | --pos;
|
---|
[7389] | 1145 | }
|
---|
| 1146 |
|
---|
| 1147 | return pos;
|
---|
| 1148 | }
|
---|
| 1149 |
|
---|
| 1150 | static int rscan_for_whitespace(const text_t& outstring, const int start_pos)
|
---|
| 1151 | {
|
---|
| 1152 | int pos = start_pos;
|
---|
| 1153 | while (pos>=0) {
|
---|
| 1154 | if (char_is_whitespace(outstring[pos])) {
|
---|
| 1155 | break;
|
---|
| 1156 | }
|
---|
[9620] | 1157 | --pos;
|
---|
[7389] | 1158 | }
|
---|
| 1159 |
|
---|
| 1160 | return pos;
|
---|
| 1161 | }
|
---|
| 1162 |
|
---|
| 1163 |
|
---|
| 1164 | static int rscan_for(const text_t& outstring, const int start_pos,
|
---|
| 1165 | const char find_c)
|
---|
| 1166 | {
|
---|
| 1167 | int pos = start_pos;
|
---|
| 1168 | while (pos>=0) {
|
---|
| 1169 | char c = outstring[pos];
|
---|
| 1170 | if (outstring[pos] == find_c) {
|
---|
| 1171 | break;
|
---|
| 1172 | }
|
---|
[9620] | 1173 | --pos;
|
---|
[7389] | 1174 | }
|
---|
| 1175 |
|
---|
| 1176 | return pos;
|
---|
| 1177 | }
|
---|
| 1178 |
|
---|
| 1179 | text_t extract_substr(const text_t& outstring, const int start_pos,
|
---|
| 1180 | const int end_pos)
|
---|
| 1181 | {
|
---|
| 1182 | text_t extracted_str;
|
---|
| 1183 | extracted_str.clear();
|
---|
| 1184 |
|
---|
[9620] | 1185 | for (int pos=start_pos; pos<=end_pos; ++pos) {
|
---|
[7389] | 1186 | extracted_str.push_back(outstring[pos]);
|
---|
| 1187 | }
|
---|
| 1188 |
|
---|
| 1189 | return extracted_str;
|
---|
| 1190 | }
|
---|
| 1191 |
|
---|
| 1192 |
|
---|
[9401] | 1193 | static text_t expand_potential_metadata(const text_t& collection,
|
---|
| 1194 | recptproto* collectproto,
|
---|
| 1195 | ResultDocInfo_t &docinfo,
|
---|
| 1196 | displayclass &disp,
|
---|
| 1197 | const text_t& intext,
|
---|
| 1198 | text_tmap &options,
|
---|
| 1199 | ostream& logout)
|
---|
[7389] | 1200 | {
|
---|
| 1201 | text_t outtext;
|
---|
| 1202 |
|
---|
| 1203 | // decide if dealing with metadata or text
|
---|
| 1204 |
|
---|
| 1205 | text_t::const_iterator beginbracket = intext.begin();
|
---|
| 1206 | text_t::const_iterator endbracket = (intext.end() - 1);
|
---|
| 1207 |
|
---|
| 1208 | // Decision is based on a metadata element
|
---|
| 1209 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
| 1210 | // Ignore the surrounding square brackets
|
---|
| 1211 | text_t meta_text = substr (beginbracket+1, endbracket);
|
---|
| 1212 |
|
---|
[10614] | 1213 | if (meta_text == "Text") {
|
---|
| 1214 | outtext = format_text(collection, collectproto, docinfo, disp, options, logout);
|
---|
| 1215 | } else {
|
---|
[7389] | 1216 |
|
---|
[10614] | 1217 | text_tset metadata;
|
---|
| 1218 | bool getParents =false;
|
---|
| 1219 | metadata_t meta;
|
---|
| 1220 |
|
---|
| 1221 | parse_meta (meta_text, meta, metadata, getParents);
|
---|
| 1222 | outtext
|
---|
| 1223 | = get_meta (collection,collectproto,docinfo,disp,meta,options,logout);
|
---|
| 1224 | }
|
---|
| 1225 |
|
---|
[7389] | 1226 | }
|
---|
| 1227 | else {
|
---|
| 1228 | outtext = intext;
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 | return outtext;
|
---|
| 1232 | }
|
---|
| 1233 |
|
---|
| 1234 |
|
---|
| 1235 |
|
---|
| 1236 |
|
---|
[9401] | 1237 | static bool uses_expression(const text_t& collection, recptproto* collectproto,
|
---|
| 1238 | ResultDocInfo_t &docinfo,
|
---|
| 1239 | displayclass &disp,
|
---|
[7389] | 1240 | const text_t& outstring, text_t& lhs_expr,
|
---|
[9401] | 1241 | text_t& op_expr, text_t& rhs_expr,
|
---|
| 1242 | text_tmap &options,
|
---|
| 1243 | ostream& logout)
|
---|
[7389] | 1244 | {
|
---|
| 1245 | // Note: the string may not be of the form: str1 op str2, however
|
---|
| 1246 | // to deterine this we have to process it on the assumption it is,
|
---|
| 1247 | // and if at any point an 'erroneous' value is encountered, return
|
---|
| 1248 | // false and let something else have a go at evaluating it
|
---|
| 1249 |
|
---|
| 1250 | // Starting at the end of the string and working backwards ..
|
---|
| 1251 |
|
---|
| 1252 | const int outstring_len = outstring.size();
|
---|
| 1253 |
|
---|
| 1254 | // skip over white space
|
---|
| 1255 | int rhs_end = rscan_over_whitespace(outstring,outstring_len-1);
|
---|
| 1256 |
|
---|
| 1257 | if (rhs_end<=0) {
|
---|
| 1258 | // no meaningful text or (rhs_end==0) no room for operator
|
---|
| 1259 | return false;
|
---|
| 1260 | }
|
---|
| 1261 |
|
---|
| 1262 | // check for ' or " and then scan over token
|
---|
| 1263 | const char potential_quote = outstring[rhs_end];
|
---|
| 1264 | int rhs_start=rhs_end;
|
---|
| 1265 | bool quoted = false;
|
---|
| 1266 |
|
---|
| 1267 | if ((potential_quote == '\'') || (potential_quote == '\"')) {
|
---|
[9620] | 1268 | --rhs_end;
|
---|
[7389] | 1269 | rhs_start = rscan_for(outstring,rhs_end-1,potential_quote) +1;
|
---|
| 1270 | quoted = true;
|
---|
| 1271 | }
|
---|
| 1272 | else {
|
---|
| 1273 | rhs_start = rscan_for_whitespace(outstring,rhs_end-1) +1;
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
[7617] | 1276 | if ((rhs_end-rhs_start)<0) {
|
---|
[7389] | 1277 | // no meaningful rhs expression
|
---|
| 1278 | return false;
|
---|
| 1279 | }
|
---|
| 1280 |
|
---|
| 1281 | // form rhs_expr
|
---|
| 1282 | rhs_expr = extract_substr(outstring,rhs_start,rhs_end);
|
---|
| 1283 |
|
---|
| 1284 | // skip over white space
|
---|
| 1285 | const int to_whitespace = (quoted) ? 2 : 1;
|
---|
| 1286 |
|
---|
| 1287 | int op_end = rscan_over_whitespace(outstring,rhs_start-to_whitespace);
|
---|
| 1288 | int op_start = rscan_for_whitespace(outstring,op_end-1)+1;
|
---|
| 1289 |
|
---|
| 1290 |
|
---|
[7617] | 1291 | if (op_end-op_start<0) {
|
---|
[7389] | 1292 | // no meaningful expression operator
|
---|
| 1293 | return false;
|
---|
| 1294 | }
|
---|
| 1295 |
|
---|
| 1296 | op_expr = extract_substr(outstring,op_start,op_end);
|
---|
| 1297 |
|
---|
| 1298 |
|
---|
| 1299 | // check for operator
|
---|
[10142] | 1300 | if ((op_expr != "eq") && (op_expr != "ne") && (op_expr != "gt") &&
|
---|
| 1301 | (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")) {
|
---|
[10145] | 1302 |
|
---|
[7389] | 1303 | // not a valid operator
|
---|
| 1304 | return false;
|
---|
| 1305 | }
|
---|
| 1306 |
|
---|
| 1307 | int lhs_end = rscan_over_whitespace(outstring,op_start-1);
|
---|
[7617] | 1308 | if (lhs_end<0) {
|
---|
[7389] | 1309 | // no meaningful lhs expression
|
---|
| 1310 | return false;
|
---|
| 1311 | }
|
---|
| 1312 |
|
---|
| 1313 | int lhs_start = scan_over_whitespace(outstring,0);
|
---|
| 1314 |
|
---|
| 1315 | // form lhs_expr from remainder of string
|
---|
| 1316 | lhs_expr = extract_substr(outstring,lhs_start,lhs_end);
|
---|
| 1317 |
|
---|
| 1318 | // Now we know we have a valid expression, look up any
|
---|
| 1319 | // metadata terms
|
---|
| 1320 |
|
---|
[9401] | 1321 | rhs_expr = expand_potential_metadata(collection,collectproto,docinfo,
|
---|
| 1322 | disp,rhs_expr,options,logout);
|
---|
| 1323 | lhs_expr = expand_potential_metadata(collection,collectproto,docinfo,
|
---|
| 1324 | disp,lhs_expr,options,logout);
|
---|
[7389] | 1325 |
|
---|
| 1326 | return true;
|
---|
| 1327 | }
|
---|
| 1328 |
|
---|
| 1329 | static bool eval_expression_true(const text_t& lhs_expr,const text_t& op_expr,
|
---|
| 1330 | const text_t& rhs_expr, ostream& logout)
|
---|
| 1331 | {
|
---|
[10142] | 1332 | if (op_expr == "eq") return (lhs_expr == rhs_expr);
|
---|
| 1333 | else if (op_expr == "ne" ) return (lhs_expr != rhs_expr);
|
---|
| 1334 | else if (op_expr == "gt") return (lhs_expr > rhs_expr);
|
---|
| 1335 | else if (op_expr == "ge") return (lhs_expr >= rhs_expr);
|
---|
| 1336 | else if (op_expr == "lt") return (lhs_expr < rhs_expr);
|
---|
| 1337 | else if (op_expr == "le") return (lhs_expr <= rhs_expr);
|
---|
| 1338 | else if (op_expr == "==") return (lhs_expr.getint() == rhs_expr.getint());
|
---|
| 1339 | else if (op_expr == "!=") return (lhs_expr.getint() != rhs_expr.getint());
|
---|
| 1340 | else if (op_expr == ">") return (lhs_expr.getint() > rhs_expr.getint());
|
---|
| 1341 | else if (op_expr == ">=") return (lhs_expr.getint() >= rhs_expr.getint());
|
---|
| 1342 | else if (op_expr == "<") return (lhs_expr.getint() < rhs_expr.getint());
|
---|
| 1343 | else if (op_expr == "<=") return (lhs_expr.getint() <= rhs_expr.getint());
|
---|
| 1344 | else if (op_expr == "sw") return (starts_with(lhs_expr,rhs_expr));
|
---|
| 1345 | else if (op_expr == "ew") return (ends_with(lhs_expr,rhs_expr));
|
---|
[7389] | 1346 | else {
|
---|
| 1347 | logout << "Error: '" << op_expr << "' is not a recognised operator." << endl;
|
---|
| 1348 | }
|
---|
[10142] | 1349 |
|
---|
[7389] | 1350 | return false;
|
---|
| 1351 | }
|
---|
| 1352 |
|
---|
| 1353 |
|
---|
[1443] | 1354 | static text_t get_if (const text_t& collection, recptproto* collectproto,
|
---|
[1610] | 1355 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
| 1356 | const decision_t &decision,
|
---|
[5788] | 1357 | format_t *ifptr, format_t *elseptr,
|
---|
| 1358 | text_tmap &options, ostream& logout)
|
---|
[1443] | 1359 | {
|
---|
[1610] | 1360 | // If the decision component is a metadata element, then evaluate it
|
---|
| 1361 | // to see whether we output the "then" or the "else" clause
|
---|
[354] | 1362 | if (decision.command == dMeta) {
|
---|
[9401] | 1363 | if (get_meta (collection,collectproto,docinfo,disp,decision.meta,options,
|
---|
| 1364 | logout) != "") {
|
---|
[354] | 1365 | if (ifptr != NULL)
|
---|
[9948] | 1366 | return get_formatted_string (collection,collectproto,docinfo, disp, ifptr,
|
---|
[5788] | 1367 | options, logout);
|
---|
[354] | 1368 | }
|
---|
| 1369 | else {
|
---|
| 1370 | if (elseptr != NULL)
|
---|
[9948] | 1371 | return get_formatted_string (collection,collectproto,docinfo, disp, elseptr,
|
---|
[5788] | 1372 | options, logout);
|
---|
[354] | 1373 | }
|
---|
| 1374 | }
|
---|
[1610] | 1375 |
|
---|
| 1376 | // If the decision component is text, then evaluate it (it is probably a
|
---|
| 1377 | // macro like _cgiargmode_) to decide what to output.
|
---|
| 1378 | else if (decision.command == dText) {
|
---|
| 1379 |
|
---|
| 1380 | text_t outstring;
|
---|
| 1381 | disp.expandstring (decision.text, outstring);
|
---|
| 1382 |
|
---|
[7389] | 1383 | // Check for if expression in form: str1 op str2
|
---|
| 1384 | // (such as [x] eq "y")
|
---|
| 1385 | text_t lhs_expr, op_expr, rhs_expr;
|
---|
[9401] | 1386 | if (uses_expression(collection,collectproto,docinfo, disp, outstring,lhs_expr,op_expr,rhs_expr, options,logout)) {
|
---|
[7389] | 1387 | if (eval_expression_true(lhs_expr,op_expr,rhs_expr,logout)) {
|
---|
| 1388 | if (ifptr != NULL) {
|
---|
| 1389 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
| 1390 | options, logout);
|
---|
| 1391 | }
|
---|
| 1392 | else {
|
---|
| 1393 | return "";
|
---|
| 1394 | }
|
---|
| 1395 | } else {
|
---|
| 1396 | if (elseptr != NULL) {
|
---|
| 1397 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
| 1398 | options, logout);
|
---|
| 1399 | }
|
---|
| 1400 | else {
|
---|
| 1401 | return "";
|
---|
| 1402 | }
|
---|
| 1403 | }
|
---|
| 1404 | }
|
---|
| 1405 |
|
---|
| 1406 |
|
---|
[1610] | 1407 | // This is a tad tricky. When we expand a string like _cgiargmode_, that is
|
---|
| 1408 | // a cgi argument macro that has not been set, it evaluates to itself.
|
---|
| 1409 | // Therefore, were have to say that a piece of text evalautes true if
|
---|
| 1410 | // it is non-empty and if it is a cgi argument evaulating to itself.
|
---|
[7389] | 1411 |
|
---|
[1610] | 1412 | if ((outstring != "") && !((outstring == decision.text) && (outstring[0] == '_'))) {
|
---|
| 1413 | if (ifptr != NULL)
|
---|
| 1414 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
[5788] | 1415 | options, logout);
|
---|
[1610] | 1416 | } else {
|
---|
| 1417 | if (elseptr != NULL)
|
---|
| 1418 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
[5788] | 1419 | options, logout);
|
---|
[1610] | 1420 | }
|
---|
| 1421 | }
|
---|
| 1422 |
|
---|
[354] | 1423 | return "";
|
---|
| 1424 | }
|
---|
| 1425 |
|
---|
[1443] | 1426 | bool includes_metadata(const text_t& text)
|
---|
| 1427 | {
|
---|
| 1428 | text_t::const_iterator here = text.begin();
|
---|
| 1429 | text_t::const_iterator end = text.end();
|
---|
| 1430 | while (here != end) {
|
---|
| 1431 | if (*here == '[') return true;
|
---|
[9620] | 1432 | ++here;
|
---|
[1443] | 1433 | }
|
---|
| 1434 |
|
---|
| 1435 | return false;
|
---|
| 1436 | }
|
---|
| 1437 |
|
---|
[5788] | 1438 | static text_t expand_metadata(const text_t &metavalue, const text_t& collection,
|
---|
[9948] | 1439 | recptproto* collectproto,
|
---|
| 1440 | ResultDocInfo_t &docinfo,
|
---|
[5788] | 1441 | displayclass &disp, text_tmap &options,
|
---|
| 1442 | ostream &logout) {
|
---|
| 1443 |
|
---|
[10415] | 1444 | if (includes_metadata(metavalue)) {
|
---|
| 1445 |
|
---|
| 1446 | // text has embedded metadata in it => expand it
|
---|
| 1447 | FilterRequest_t request;
|
---|
| 1448 | FilterResponse_t response;
|
---|
| 1449 |
|
---|
| 1450 | request.getParents = false;
|
---|
| 1451 |
|
---|
| 1452 | format_t *expanded_formatlistptr = new format_t();
|
---|
| 1453 | parse_formatstring (metavalue, expanded_formatlistptr,
|
---|
| 1454 | request.fields, request.getParents);
|
---|
| 1455 |
|
---|
| 1456 | // retrieve metadata
|
---|
| 1457 | get_info(docinfo.OID, collection, "", request.fields, request.getParents,
|
---|
| 1458 | collectproto, response, logout);
|
---|
| 1459 |
|
---|
| 1460 | if (!response.docInfo.empty()) {
|
---|
| 1461 |
|
---|
| 1462 | text_t expanded_metavalue
|
---|
| 1463 | = get_formatted_string(collection, collectproto,
|
---|
| 1464 | response.docInfo[0], disp, expanded_formatlistptr,
|
---|
| 1465 | options, logout);
|
---|
| 1466 |
|
---|
| 1467 | return expanded_metavalue;
|
---|
| 1468 | }
|
---|
| 1469 | else {
|
---|
| 1470 | return metavalue;
|
---|
| 1471 | }
|
---|
| 1472 | }
|
---|
| 1473 | else {
|
---|
| 1474 |
|
---|
| 1475 | return metavalue;
|
---|
| 1476 | }
|
---|
[5788] | 1477 | }
|
---|
[1941] | 1478 |
|
---|
[9948] | 1479 | text_t get_collection_meta(const text_t& collection, recptproto* collectproto,
|
---|
| 1480 | displayclass &disp,
|
---|
| 1481 | text_t meta_name, ostream& logout) {
|
---|
| 1482 |
|
---|
| 1483 | ColInfoResponse_t collectinfo;
|
---|
| 1484 | comerror_t err;
|
---|
| 1485 | collectproto->get_collectinfo (collection, collectinfo,err,logout);
|
---|
| 1486 | text_t meta_value = "";
|
---|
| 1487 | text_t lang;
|
---|
| 1488 | disp.expandstring("_cgiargl_",lang);
|
---|
| 1489 | if (lang.empty()) {
|
---|
| 1490 | lang = "en";
|
---|
| 1491 | }
|
---|
| 1492 |
|
---|
| 1493 | if (err == noError) {
|
---|
| 1494 | meta_value = collectinfo.get_collectionmeta(meta_name, lang);
|
---|
| 1495 | }
|
---|
| 1496 | return meta_value;
|
---|
| 1497 |
|
---|
| 1498 |
|
---|
| 1499 | }
|
---|
[1443] | 1500 | text_t format_string (const text_t& collection, recptproto* collectproto,
|
---|
[1610] | 1501 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
[5788] | 1502 | format_t *formatlistptr, text_tmap &options,
|
---|
[1443] | 1503 | ostream& logout) {
|
---|
[354] | 1504 |
|
---|
[347] | 1505 | if (formatlistptr == NULL) return "";
|
---|
| 1506 |
|
---|
| 1507 | switch (formatlistptr->command) {
|
---|
[6020] | 1508 | case comOID:
|
---|
| 1509 | return docinfo.OID;
|
---|
[13118] | 1510 | case comTopOID:
|
---|
| 1511 | {
|
---|
| 1512 | text_t top_id;
|
---|
| 1513 | get_top(docinfo.OID, top_id);
|
---|
| 1514 | return top_id;
|
---|
| 1515 | }
|
---|
[6710] | 1516 | case comRank:
|
---|
| 1517 | return text_t(docinfo.ranking);
|
---|
[5788] | 1518 | case comText:
|
---|
| 1519 | return formatlistptr->text;
|
---|
| 1520 | case comLink:
|
---|
| 1521 | return options["link"];
|
---|
| 1522 | case comEndLink:
|
---|
| 1523 | if (options["link"].empty()) return "";
|
---|
| 1524 | else return "</a>";
|
---|
| 1525 | case comHref:
|
---|
| 1526 | return get_href(options["link"]);
|
---|
| 1527 | case comIcon:
|
---|
| 1528 | return options["icon"];
|
---|
| 1529 | case comNum:
|
---|
| 1530 | return docinfo.result_num;
|
---|
| 1531 | case comRel: //if [RelatedDocuments] appears in format string, collect relation data
|
---|
| 1532 | return get_related_docs(collection, collectproto, docinfo, logout);
|
---|
| 1533 | case comSummary:
|
---|
| 1534 | return format_summary(collection, collectproto, docinfo, disp, options, logout);
|
---|
| 1535 | case comMeta:
|
---|
[1443] | 1536 | {
|
---|
[9948] | 1537 | const text_t& metavalue = get_meta (collection,collectproto, docinfo, disp,formatlistptr->meta,options,logout);
|
---|
[5788] | 1538 | return expand_metadata(metavalue, collection, collectproto, docinfo, disp, options, logout);
|
---|
[1443] | 1539 | }
|
---|
[5788] | 1540 | case comDoc:
|
---|
[9852] | 1541 | return format_text(collection, collectproto, docinfo, disp, options, logout);
|
---|
| 1542 | //return options["text"];
|
---|
[5788] | 1543 | case comImage:
|
---|
| 1544 | return expand_metadata(options["DocImage"], collection, collectproto, docinfo, disp, options, logout);
|
---|
| 1545 | case comTOC:
|
---|
| 1546 | return options["DocTOC"];
|
---|
| 1547 | case comDocumentButtonDetach:
|
---|
| 1548 | return options["DocumentButtonDetach"];
|
---|
| 1549 | case comDocumentButtonHighlight:
|
---|
| 1550 | return options["DocumentButtonHighlight"];
|
---|
| 1551 | case comDocumentButtonExpandContents:
|
---|
| 1552 | return options["DocumentButtonExpandContents"];
|
---|
| 1553 | case comDocumentButtonExpandText:
|
---|
| 1554 | return options["DocumentButtonExpandText"];
|
---|
| 1555 | case comHighlight:
|
---|
| 1556 | if (options["highlight"] == "1") return "<b>";
|
---|
| 1557 | break;
|
---|
| 1558 | case comEndHighlight:
|
---|
| 1559 | if (options["highlight"] == "1") return "</b>";
|
---|
| 1560 | break;
|
---|
| 1561 | case comIf:
|
---|
| 1562 | return get_if (collection, collectproto, docinfo, disp,
|
---|
| 1563 | formatlistptr->decision, formatlistptr->ifptr,
|
---|
| 1564 | formatlistptr->elseptr, options, logout);
|
---|
| 1565 | case comOr:
|
---|
| 1566 | return get_or (collection,collectproto, docinfo, disp, formatlistptr->orptr,
|
---|
| 1567 | options, logout);
|
---|
[16915] | 1568 | case comDocTermsFreqTotal:
|
---|
| 1569 | return docinfo.num_terms_matched;
|
---|
[9948] | 1570 | case comCollection:
|
---|
| 1571 | if (formatlistptr->meta.metaname == g_EmptyText) {
|
---|
| 1572 | return collection;
|
---|
| 1573 | }
|
---|
| 1574 | return get_collection_meta(collection, collectproto, disp, formatlistptr->meta.metaname, logout);
|
---|
| 1575 |
|
---|
[347] | 1576 | }
|
---|
| 1577 | return "";
|
---|
| 1578 | }
|
---|
| 1579 |
|
---|
[1443] | 1580 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
[1610] | 1581 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
[5788] | 1582 | format_t *formatlistptr, text_tmap &options,
|
---|
[1443] | 1583 | ostream& logout) {
|
---|
[407] | 1584 |
|
---|
[5788] | 1585 | text_t ft;
|
---|
| 1586 | while (formatlistptr != NULL)
|
---|
| 1587 | {
|
---|
| 1588 | ft += format_string (collection, collectproto, docinfo, disp, formatlistptr,
|
---|
| 1589 | options, logout);
|
---|
| 1590 | formatlistptr = formatlistptr->nextptr;
|
---|
| 1591 | }
|
---|
| 1592 |
|
---|
| 1593 | return ft;
|
---|
[347] | 1594 | }
|
---|
| 1595 |
|
---|
| 1596 |
|
---|
[9852] | 1597 | // we have only preloaded the text in DocumentAction. But you may want to get the text in query. so copy what we have done with format_summary and get the text here. probably is quite expensive?
|
---|
| 1598 | text_t format_text (const text_t& collection, recptproto* collectproto,
|
---|
[9948] | 1599 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
| 1600 | text_tmap &options, ostream& logout) {
|
---|
[9852] | 1601 | if(!options["text"].empty()) {
|
---|
| 1602 | return options["text"];
|
---|
| 1603 | }
|
---|
| 1604 | // else get document text here
|
---|
| 1605 | DocumentRequest_t docrequest;
|
---|
| 1606 | DocumentResponse_t docresponse;
|
---|
| 1607 | comerror_t err;
|
---|
| 1608 | docrequest.OID = docinfo.OID;
|
---|
| 1609 | collectproto->get_document (collection, docrequest, docresponse, err, logout);
|
---|
| 1610 | return docresponse.doc;
|
---|
| 1611 |
|
---|
| 1612 | }
|
---|
| 1613 |
|
---|
[2967] | 1614 | /* FUNCTION NAME: format_summary
|
---|
| 1615 | * DESC: this is invoked when a [Summary] special metadata is processed.
|
---|
| 1616 | * RETURNS: a query-biased summary for the document */
|
---|
| 1617 |
|
---|
| 1618 | text_t format_summary (const text_t& collection, recptproto* collectproto,
|
---|
[5788] | 1619 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
| 1620 | text_tmap &options, ostream& logout) {
|
---|
[3673] | 1621 |
|
---|
| 1622 | // GRB: added code here to ensure that the cstr (and other collections)
|
---|
| 1623 | // uses the document metadata item Summary, rather than compressing
|
---|
| 1624 | // the text of the document, processed via the methods in
|
---|
| 1625 | // summarise.cpp
|
---|
| 1626 | if (docinfo.metadata.count("Summary") > 0 &&
|
---|
| 1627 | docinfo.metadata["Summary"].values.size() > 0) {
|
---|
| 1628 | return docinfo.metadata["Summary"].values[0];
|
---|
| 1629 | }
|
---|
| 1630 |
|
---|
[2967] | 1631 | text_t textToSummarise, query;
|
---|
[5788] | 1632 | if(options["text"].empty()) { // get document text
|
---|
| 1633 | DocumentRequest_t docrequest;
|
---|
| 1634 | DocumentResponse_t docresponse;
|
---|
| 1635 | comerror_t err;
|
---|
| 1636 | docrequest.OID = docinfo.OID;
|
---|
| 1637 | collectproto->get_document (collection, docrequest, docresponse, err, logout);
|
---|
| 1638 | textToSummarise = docresponse.doc;
|
---|
[2967] | 1639 | } else // in practice, this would not happen, because text is only
|
---|
| 1640 | // loaded with the [Text] command
|
---|
[5788] | 1641 | textToSummarise = options["text"];
|
---|
[2967] | 1642 | disp.expandstring("_cgiargq_",query);
|
---|
| 1643 | return summarise(textToSummarise,query,80);
|
---|
| 1644 | }
|
---|