1 | /**********************************************************************
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2 | *
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3 | * converter.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 "converter.h"
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27 |
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28 |
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29 |
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30 | // the converters within converterinfo become the property of this class
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31 | // after add_converter has been called. The converters remain the
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32 | // responsability of the calling code and will not be deleted by this
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33 | // class.
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34 | void convertinfoclass::add_converter (const text_t &name, inconvertclass *inconverter,
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35 | rzwsoutconvertclass *outconverter) {
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36 | // can't add a null converter or an action with no name
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37 | if (inconverter == NULL || outconverter == NULL || name.empty()) {
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38 | return;
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39 | }
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40 |
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41 | converterinfo info;
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42 | info.name = name;
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43 | info.inconverter = inconverter;
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44 | info.outconverter = outconverter;
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45 | converters[name] = info;
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46 | }
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47 |
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48 |
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49 | bool operator==(const converterinfo &x, const converterinfo &y) {
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50 | return ((x.name == y.name) && (x.inconverter == y.inconverter) &&
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51 | (x.outconverter == y.outconverter));
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52 | }
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53 |
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54 | bool operator<(const converterinfo &x, const converterinfo &y) {
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55 | return ((x.name < y.name) ||
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56 | ((x.name == y.name) &&
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57 | ((x.inconverter < y.inconverter) ||
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58 | ((x.inconverter == y.inconverter) &&
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59 | ((x.outconverter < y.outconverter))))));
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60 | }
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61 |
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62 |
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63 | // get_inconverter will return NULL if the convert could not be found
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64 | inconvertclass *convertinfoclass::get_inconverter (const text_t &name) {
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65 | iterator here = converters.find (name);
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66 | if (here == converters.end()) return NULL;
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67 |
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68 | return (*here).second.inconverter;
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69 | }
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70 |
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71 | // get_outconverter will return NULL if the convert could not be found
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72 | rzwsoutconvertclass *convertinfoclass::get_outconverter (const text_t &name) {
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73 | iterator here = converters.find (name);
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74 | if (here == converters.end()) return NULL;
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75 |
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76 | return (*here).second.outconverter;
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77 | }
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