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/* |
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-- This module does metaname handling for swish-e |
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-- |
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** This program and library is free software; you can redistribute it and/or |
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** modify it under the terms of the GNU (Library) General Public License |
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** as published by the Free Software Foundation; either version 2 |
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** of the License, or any later version. |
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** |
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** This program is distributed in the hope that it will be useful, |
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** but WITHOUT ANY WARRANTY; without even the implied warranty of |
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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** GNU (Library) General Public License for more details. |
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** |
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** You should have received a copy of the GNU (Library) General Public License |
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** along with this program; if not, write to the Free Software |
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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|
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|
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-- 2001-02-12 rasc minor changes, concering the tolower problem |
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(unsigned char) problem!!! |
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|
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*/ |
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#include "swish.h" |
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#include "mem.h" |
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#include "merge.h" |
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#include "string.h" |
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#include "docprop.h" |
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#include "metanames.h" |
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#include "dump.h" |
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#include "error.h" |
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|
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typedef struct |
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{ |
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char *metaName; |
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int metaType; /* see metanames.h for values. All values must be "ored" */ |
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} |
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defaultMetaNames; |
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|
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|
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/************************************************************************** |
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* List of *internal* meta names |
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* |
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* Note: |
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* Removing any of these will prevent access for result output |
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* Removing any of the "real" meta names will also prevent storing |
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* of the data in the property file. |
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* That is, they may be commented out and then selected in the |
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* configuration file as needed. |
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* Hard to imagine not wanting the doc path! |
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* |
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***************************************************************************/ |
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|
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|
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static defaultMetaNames SwishDefaultMetaNames[] = { |
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|
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/* This is the default meta ID ( number 1 ) that plain text is stored as */ |
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{ AUTOPROPERTY_DEFAULT, META_INDEX }, /* REQUIRED */ |
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|
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|
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/* These are the "internal" meta names generated at search time they are all required */ |
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{ AUTOPROPERTY_REC_COUNT, META_PROP | META_INTERNAL | META_NUMBER }, |
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{ AUTOPROPERTY_RESULT_RANK, META_PROP | META_INTERNAL | META_NUMBER }, |
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{ AUTOPROPERTY_FILENUM, META_PROP | META_INTERNAL | META_NUMBER }, |
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{ AUTOPROPERTY_INDEXFILE, META_PROP | META_INTERNAL | META_STRING }, |
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|
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/* These meta names "real" meta names that are available by default */ |
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/* These can be commented out (e.g. to save disk space) and added back in with PropertyNames */ |
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{ AUTOPROPERTY_DOCPATH, META_PROP | META_STRING }, |
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{ AUTOPROPERTY_TITLE, META_PROP | META_STRING | META_IGNORE_CASE }, |
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{ AUTOPROPERTY_DOCSIZE, META_PROP | META_NUMBER}, |
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{ AUTOPROPERTY_LASTMODIFIED, META_PROP | META_DATE}, |
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// { AUTOPROPERTY_SUMMARY, META_PROP | META_STRING}, |
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// { AUTOPROPERTY_STARTPOS, META_PROP | META_NUMBER}, // should be added only if LST is selected |
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}; |
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|
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/* Add the Internal swish metanames to the index file structure */ |
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void add_default_metanames(IndexFILE * indexf) |
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{ |
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int i; |
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|
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for (i = 0; i < sizeof(SwishDefaultMetaNames) / sizeof(SwishDefaultMetaNames[0]); i++) |
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addMetaEntry(&indexf->header, SwishDefaultMetaNames[i].metaName, SwishDefaultMetaNames[i].metaType, 0); |
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} |
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|
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|
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|
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/************************************************************************** |
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* These next routines add a new property/metaname to the list |
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* |
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* |
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***************************************************************************/ |
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/* Add an entry to the metaEntryArray if one doesn't already exist */ |
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|
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struct metaEntry *addMetaEntry(INDEXDATAHEADER *header, char *metaname, int metaType, int metaID) |
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{ |
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struct metaEntry *tmpEntry = NULL; |
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char *metaWord; |
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|
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if (metaname == NULL || metaname[0] == '\0') |
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progerr("internal error - called addMetaEntry without a name"); |
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metaWord = estrdup( metaname ); |
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strtolower(metaWord); |
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/* See if there is a previous metaname with the same name */ |
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// tmpEntry = metaType & META_PROP |
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// ? getPropNameByName(header, metaWord) |
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// : getMetaNameByName(header, metaWord); |
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|
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if (!tmpEntry) /* metaName not found - Create a new one */ |
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tmpEntry = addNewMetaEntry( header, metaWord, metaType, metaID); |
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|
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else |
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/* This allows adding Numeric or Date onto an existing property. */ |
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/* Probably not needed */ |
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tmpEntry->metaType |= metaType; |
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|
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efree( metaWord ); |
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return tmpEntry; |
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|
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} |
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static struct metaEntry *create_meta_entry( char *name ) |
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{ |
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struct metaEntry *newEntry = (struct metaEntry *) emalloc(sizeof(struct metaEntry)); |
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|
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memset(newEntry, 0, sizeof(struct metaEntry)); |
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newEntry->metaName = (char *) estrdup( name ); |
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return newEntry; |
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} |
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struct metaEntry *addNewMetaEntry(INDEXDATAHEADER *header, char *metaWord, int metaType, int metaID) |
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{ |
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int metaCounter = header->metaCounter; |
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struct metaEntry *newEntry; |
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struct metaEntry **metaEntryArray = header->metaEntryArray; |
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newEntry = create_meta_entry( metaWord ); |
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newEntry->metaType = metaType; |
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/* If metaID is 0 asign a value using metaCounter */ |
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/* Loaded stored metanames from index specifically sets the metaID */ |
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newEntry->metaID = metaID ? metaID : metaCounter + 1; |
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/* Create or enlarge the array, as needed */ |
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if(! metaEntryArray) |
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{ |
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metaEntryArray = (struct metaEntry **) emalloc(sizeof(struct metaEntry *)); |
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metaCounter = 0; |
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} |
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else |
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metaEntryArray = (struct metaEntry **) erealloc(metaEntryArray,(metaCounter + 1) * sizeof(struct metaEntry *)); |
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|
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/* And save it in the array */ |
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metaEntryArray[metaCounter++] = newEntry; |
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/* Now update the header */ |
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header->metaCounter = metaCounter; |
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header->metaEntryArray = metaEntryArray; |
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|
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return newEntry; |
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} |
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|
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/************************************************************************** |
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* Clear in_tag flags on all metanames |
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* The flags are used for indexing |
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* |
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***************************************************************************/ |
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/** Lookup META_INDEX -- these only return meta names, not properties **/ |
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|
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void ClearInMetaFlags(INDEXDATAHEADER * header) |
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{ |
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int i; |
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for (i = 0; i < header->metaCounter; i++) |
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header->metaEntryArray[i]->in_tag = 0; |
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} |
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|
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/************************************************************************** |
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* Initialize the property mapping array |
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* Used to get the property seek pointers from the index file |
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* |
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* THIS IS TEMPORARY until I break up the metanames and properties |
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* |
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* This just creates two arrays to map metaIDs between property index numbers. |
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* |
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***************************************************************************/ |
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|
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void init_property_list(INDEXDATAHEADER *header) |
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{ |
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int i; |
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/* only needs to be called one time */ |
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if ( header->property_count ) |
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return; |
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if ( header->propIDX_to_metaID ) |
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progerr("Called init_property_list with non-null header->propIDX_to_metaID"); |
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if ( !header->metaCounter ) |
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{ |
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header->property_count = -1; |
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return; |
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} |
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|
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header->propIDX_to_metaID = emalloc( (1 + header->metaCounter) * sizeof( int ) ); |
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header->metaID_to_PropIDX = emalloc( (1 + header->metaCounter) * sizeof( int ) ); |
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for (i = 0; i < header->metaCounter; i++) |
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{ |
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if (is_meta_property(header->metaEntryArray[i]) && !header->metaEntryArray[i]->alias && !is_meta_internal(header->metaEntryArray[i]) ) |
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{ |
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header->metaID_to_PropIDX[header->metaEntryArray[i]->metaID] = header->property_count; |
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header->propIDX_to_metaID[header->property_count++] = header->metaEntryArray[i]->metaID; |
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} |
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else |
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header->metaID_to_PropIDX[header->metaEntryArray[i]->metaID] = -1; |
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} |
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if ( !header->property_count ) |
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header->property_count = -1; |
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} |
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/************************************************************************** |
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* These routines lookup either a property or a metaname |
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* by its ID or name |
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* |
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* The routines only look at either properites or metanames |
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* |
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* Note: probably could save a bit by just saying that if not META_PROP then |
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* it's a a meta index entry. In otherwords, the type flag of zero could mean |
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* META_INDEX, otherwise it's a PROPERTY. $$$ todo... |
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* |
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* |
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***************************************************************************/ |
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/** Lookup META_INDEX -- these only return meta names, not properties **/ |
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struct metaEntry *getMetaNameByNameNoAlias(INDEXDATAHEADER * header, char *word) |
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{ |
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int i; |
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for (i = 0; i < header->metaCounter; i++) |
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if (is_meta_index(header->metaEntryArray[i]) && !strcasecmp(header->metaEntryArray[i]->metaName, word)) |
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return header->metaEntryArray[i]; |
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return NULL; |
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} |
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|
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/* Returns the structure associated with the metaName if it exists |
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* Requests for Aliased names returns the base meta entry, not the alias meta entry. |
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* Note that on a alias it checks the *alias*'s type, so it must match. |
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*/ |
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struct metaEntry *getMetaNameByName(INDEXDATAHEADER * header, char *word) |
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{ |
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int i; |
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for (i = 0; i < header->metaCounter; i++) |
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if (is_meta_index(header->metaEntryArray[i]) && !strcasecmp(header->metaEntryArray[i]->metaName, word)) |
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return header->metaEntryArray[i]->alias |
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? getMetaNameByID( header, header->metaEntryArray[i]->alias ) |
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: header->metaEntryArray[i]; |
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|
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return NULL; |
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} |
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|
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/* Returns the structure associated with the metaName ID if it exists |
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*/ |
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|
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struct metaEntry *getMetaNameByID(INDEXDATAHEADER *header, int number) |
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{ |
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int i; |
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|
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for (i = 0; i < header->metaCounter; i++) |
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{ |
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if (is_meta_index(header->metaEntryArray[i]) && number == header->metaEntryArray[i]->metaID) |
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return header->metaEntryArray[i]; |
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} |
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return NULL; |
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} |
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|
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|
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|
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/** Lookup META_PROP -- these only return properties **/ |
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|
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struct metaEntry *getPropNameByNameNoAlias(INDEXDATAHEADER * header, char *word) |
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{ |
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int i; |
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|
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for (i = 0; i < header->metaCounter; i++) |
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if (is_meta_property(header->metaEntryArray[i]) && !strcasecmp(header->metaEntryArray[i]->metaName, word)) |
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return header->metaEntryArray[i]; |
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|
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return NULL; |
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} |
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|
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|
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/* Returns the structure associated with the metaName if it exists |
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* Requests for Aliased names returns the base meta entry, not the alias meta entry. |
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* Note that on a alias it checks the *alias*'s type, so it must match. |
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*/ |
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struct metaEntry *getPropNameByName(INDEXDATAHEADER * header, char *word) |
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{ |
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int i; |
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for (i = 0; i < header->metaCounter; i++) |
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if (is_meta_property(header->metaEntryArray[i]) && !strcasecmp(header->metaEntryArray[i]->metaName, word)) |
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return header->metaEntryArray[i]->alias |
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? getPropNameByID( header, header->metaEntryArray[i]->alias ) |
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: header->metaEntryArray[i]; |
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|
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return NULL; |
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} |
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|
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|
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/* Returns the structure associated with the metaName ID if it exists |
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*/ |
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|
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struct metaEntry *getPropNameByID(INDEXDATAHEADER *header, int number) |
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{ |
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int i; |
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|
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for (i = 0; i < header->metaCounter; i++) |
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{ |
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if (is_meta_property(header->metaEntryArray[i]) && number == header->metaEntryArray[i]->metaID) |
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return header->metaEntryArray[i]; |
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} |
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|
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return NULL; |
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} |
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|
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|
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/* This is really used to check for seeing which internal metaname is being requested */ |
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|
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int is_meta_entry( struct metaEntry *meta_entry, char *name ) |
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{ |
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return strcasecmp( meta_entry->metaName, name ) == 0; |
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} |
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|
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|
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/************************************************************************** |
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* Free list of MetaEntry's |
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* |
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***************************************************************************/ |
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|
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|
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|
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/* Free meta entries for an index file */ |
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|
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void freeMetaEntries( INDEXDATAHEADER *header ) |
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{ |
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int i; |
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|
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/* Make sure there are meta names assigned */ |
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if ( !header->metaCounter ) |
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return; |
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|
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|
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/* should the elements be set to NULL? */ |
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for( i = 0; i < header->metaCounter; i++ ) |
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{ |
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struct metaEntry *meta = header->metaEntryArray[i]; |
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|
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efree( meta->metaName ); |
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|
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#ifndef USE_BTREE |
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if ( meta->sorted_data) |
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efree( meta->sorted_data ); |
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#endif |
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|
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if ( meta->inPropRange ) |
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efree( meta->inPropRange); |
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|
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if ( meta->loPropRange ) |
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freeProperty( meta->loPropRange ); |
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|
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if ( meta->hiPropRange ) |
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freeProperty( meta->hiPropRange ); |
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|
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if ( meta->extractpath_default ) |
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efree( meta->extractpath_default ); |
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|
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|
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efree( meta ); |
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} |
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|
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/* And free the pointer to the list */ |
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efree( header->metaEntryArray); |
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header->metaEntryArray = NULL; |
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header->metaCounter = 0; |
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} |
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|
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|
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/************************************************************************** |
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* Check if should bump word position on this meta name |
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* |
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***************************************************************************/ |
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|
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|
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int isDontBumpMetaName( struct swline *tmplist, char *tag) |
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{ |
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char *tmptag; |
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|
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if (!tmplist) return 0; |
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if (strcmp(tmplist->line,"*")==0) return 1; |
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|
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tmptag=estrdup(tag); |
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tmptag=strtolower(tmptag); |
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while(tmplist) |
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{ |
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|
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if( strcasecmp(tmptag,tmplist->line)==0 ) |
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{ |
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efree(tmptag); |
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return 1; |
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} |
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tmplist=tmplist->next; |
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} |
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efree(tmptag); |
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return 0; |
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|
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} |
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