1 | /**********************************************************************
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2 | *
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3 | * infodbclass.h --
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4 | * Copyright (C) 1999-2008 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 | #ifndef INFODBCLASS_H
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27 | #define INFODBCLASS_H
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28 |
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29 |
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30 | #include "text_t.h"
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31 |
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32 |
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33 | typedef map<text_t, text_tarray, lttext_t> text_tarraymap;
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34 |
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35 |
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36 | // infodbclass is used to store information about a object
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37 | class infodbclass {
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38 | protected:
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39 | text_tarraymap info;
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40 | text_t lang;
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41 |
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42 | public:
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43 | // type support for text_tarraymap
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44 | typedef text_tarraymap::iterator iterator;
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45 | typedef text_tarraymap::const_iterator const_iterator;
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46 | typedef text_tarraymap::reference reference;
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47 | typedef text_tarraymap::const_reference const_reference;
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48 | typedef text_tarraymap::size_type size_type;
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49 | typedef text_tarraymap::difference_type difference_type;
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50 | typedef text_tarraymap::const_reverse_iterator const_reverse_iterator;
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51 | typedef text_tarraymap::reverse_iterator reverse_iterator;
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52 |
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53 | // constructors
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54 | infodbclass ();
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55 |
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56 | // basic container support
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57 | iterator begin () {return info.begin();}
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58 | const_iterator begin () const {return info.begin();}
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59 | iterator end () {return info.end();}
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60 | const_iterator end () const {return info.end();}
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61 |
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62 | void erase(iterator pos) {info.erase(pos);}
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63 | void erase(iterator first, iterator last) {info.erase(first, last);}
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64 | infodbclass &operator=(const infodbclass &x) {info=x.info;return *this;}
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65 |
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66 | bool empty () const {return info.empty();}
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67 | size_type size() const {return info.size();}
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68 |
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69 |
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70 | // added functionality
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71 | void clear () {info.erase(info.begin(),info.end());}
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72 |
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73 | // set default language
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74 | void set_language(const text_t& str_lang) { lang = str_lang; }
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75 | const text_t &get_language() const { return lang; }
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76 |
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77 | // the following functions deal with keys that can only
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78 | // have one value for compatibility
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79 |
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80 | // getinfo returns NULL if there isn't an entry with
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81 | // 'key' already defined, getintinfo returns 0 if there wasn't an
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82 | // entry with 'key' defined and operator[] returns "" if
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83 | // 'key' wasn't already defined (and sets 'key'="").
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84 | void setinfo (const text_t &key, const text_t &value);
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85 | void setintinfo (const text_t &key, int value);
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86 | void setcinfo (const text_t &key, unsigned short c);
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87 | text_t *getinfo (const text_t &key);
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88 | // get info overriding language set on this object
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89 | text_t *getinfo (const text_t &key, const text_t& lang);
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90 | int getintinfo (const text_t &key);
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91 | // get info overriding language set on this object
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92 | int getintinfo (const text_t &key, const text_t& lang);
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93 | text_t &operator[] (const text_t &key);
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94 |
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95 |
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96 | // the next set of functions allow you to set and access keys
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97 | // that can have more than one value
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98 |
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99 | // getmultinfo returns NULL if there isn't an entry with
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100 | // 'key' already defined
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101 | void addinfo (const text_t &key, const text_t &value);
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102 | void addintinfo (const text_t &key, int value);
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103 | void addcinfo (const text_t &key, unsigned short c);
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104 | text_tarray *getmultinfo (const text_t &key);
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105 | // get info overriding language set on this object
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106 | text_tarray *getmultinfo (const text_t &key, const text_t& lang);
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107 | };
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108 |
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109 |
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110 | #endif
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