1 | /**********************************************************************
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2 | *
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3 | * source.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 "source.h"
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27 | #include <assert.h>
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28 |
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29 |
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30 | // default constructor does nothing
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31 | sourceclass::sourceclass () {
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32 | }
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33 |
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34 | // default destructor does nothing
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35 | sourceclass::~sourceclass () {
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36 | }
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37 |
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38 | // configure should be called once for each configuration line
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39 | // default does nothing
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40 | void sourceclass::configure (const text_t &/*key*/, const text_tarray &/*cfgline*/) {
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41 | }
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42 |
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43 | // init should be called after all the configuration is done but
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44 | // before any other methods are called
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45 | // default does nothing
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46 | bool sourceclass::init (ostream &/*logout*/) {
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47 | return true;
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48 | }
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49 |
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50 |
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51 | // translate_OID translates OIDs using ".pr", ."fc" etc.
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52 | bool sourceclass::translate_OID (const text_t &/*OIDin*/, text_t &/*OIDout*/,
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53 | comerror_t &err, ostream &/*logout*/) {
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54 | err = noError;
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55 |
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56 | return false;
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57 | }
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58 |
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59 |
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60 | // get_metadata fills out the metadata if possible, if it is not responsable
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61 | // for the given OID then it will return false.
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62 | bool sourceclass::get_metadata (const text_t &/*requestParams*/, const text_t &/*refParams*/,
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63 | bool /*getParents*/, const text_tset &/*fields*/,
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64 | const text_t &/*OID*/, MetadataInfo_tmap &metadata,
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65 | comerror_t &err, ostream &/*logout*/) {
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66 | metadata.erase(metadata.begin(), metadata.end());
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67 | err = noError;
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68 |
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69 | return false;
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70 | }
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71 |
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72 | bool sourceclass::get_document (const text_t &/*OID*/, text_t &/*doc*/,
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73 | comerror_t &err, ostream &/*logout*/) {
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74 | err = noError;
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75 |
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76 | return false;
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77 | }
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78 |
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79 | bool sourceclass::is_searchable(bool &issearchable, comerror_t &err, ostream &logout) {
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80 |
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81 | // currently defaults to claiming the collection is searchable!!
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82 | issearchable = true;
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83 |
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84 | err = noError;
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85 |
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86 | return false;
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87 | }
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88 |
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89 | bool operator==(const sourceptr &x, const sourceptr &y) {
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90 | return (x.s == y.s);
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91 | }
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92 |
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93 | bool operator<(const sourceptr &x, const sourceptr &y) {
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94 | return (x.s < y.s);
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95 | }
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96 |
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97 |
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98 | // thesource remains the property of the calling code but
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99 | // should not be deleted until it is removed from this list.
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100 | void sourcelistclass::addsource (sourceclass *thesource) {
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101 | // can't add a source that doesn't exist
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102 | assert (thesource != NULL);
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103 | if (thesource == NULL) return;
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104 |
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105 | sourceptr sp;
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106 | sp.s = thesource;
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107 |
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108 | sourceptrs.push_back(sp);
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109 | }
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