1 | /**********************************************************************
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2 | *
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3 | * mgsearch.h --
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4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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5 | *
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6 | * PUT COPYRIGHT NOTICE HERE
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7 | *
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8 | * $Id: mgsearch.h 110 1999-01-08 09:02:22Z rjmcnab $
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9 | *
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10 | *********************************************************************/
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11 |
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12 |
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13 | #ifndef MGSEARCH_H
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14 | #define MGSEARCH_H
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15 |
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16 |
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17 | #include "text_t.h"
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18 | #include "querycache.h"
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19 |
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20 | #define RESULTCACHESIZE 10
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21 | #define MAXNUMDOCS 500
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22 | #define MAXNUMTERMS 100
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23 |
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24 | // a few useful functions for dealing with dir indexes (indexes as they
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25 | // appear within the index directory) and real indexes (indexes as they
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26 | // appear within the collect.cfg file) and mappings between them.
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27 | void getrealdirindex (const text_t &map, text_t &realindex, text_t &dirindex);
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28 | bool isdirindex (const text_tarray &indexmap, const text_t &dirindex);
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29 | bool isrealindex (const text_tarray &indexmap, const text_t &realindex);
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30 | text_t dir2realindex (const text_tarray &indexmap, const text_t &dirindex);
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31 | text_t real2dirindex (const text_tarray &indexmap, const text_t &realindex);
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32 | text_t real2macroindex (const text_t &realindex);
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33 | bool isdoclevelindex (const text_t &realindex);
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34 | text_t getdoclevelindex (const text_tarray &indexmap);
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35 |
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36 | class mgsearchclass {
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37 | public:
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38 | mgsearchclass ();
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39 | virtual ~mgsearchclass ();
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40 |
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41 | // the index directory must be set before any searching
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42 | // is done
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43 | void setcollectdir (const text_t &thecollectdir);
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44 |
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45 | // the search results are returned in queryresults
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46 | // search returns 'true' if it was able to do a search
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47 | bool search(const queryparamclass &queryparams,
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48 | queryresultsclass &queryresults);
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49 |
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50 | // the document text for 'docnum' is placed in 'output'
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51 | // docTargetDocument returns 'true' if it was able to
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52 | // try to get a document
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53 | // collection is needed to see if an index from the
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54 | // collection is loaded. If no index has been loaded
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55 | // defaultindex is needed to load one
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56 | bool docTargetDocument(const text_t &defaultindex,
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57 | const text_t &collection,
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58 | int docnum,
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59 | text_t &output);
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60 |
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61 | protected:
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62 | querycache *cache;
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63 | text_t collectdir; // the collection directory
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64 |
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65 | void setsearchmode (const queryparamclass &queryparams);
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66 | void submitquery (const queryparamclass &queryparams);
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67 | void getresults (queryresultsclass &queryresults);
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68 |
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69 | virtual void extractquoted (text_t &ttquerystring, text_t &ttquotedquery);
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70 | virtual void filterquery (text_t &ttquerystring);
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71 | };
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72 |
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73 |
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74 | #endif
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