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/** \file partcatalog.h
* Manage the catalog of track parameter files
*/
/* XTrackCad - Model Railroad CAD
* Copyright (C) 2019 Martin Fischer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef HAVE_TRACKCATALOG_H
#define HAVE_TRACKCATALOG_H
#include <stdbool.h>
#include "include/utlist.h"
#define MAXFILESPERCONTENT 10 /**< count of files with the same content header */
struct sCatalogEntry {
struct sCatalogEntry *next, *prev;
unsigned files; /**< current count of files */
char *fullFileName[MAXFILESPERCONTENT]; /**< fully qualified file name */
char *contents; /**< content field of parameter file */
char *tag; /**< data about the file */
};
typedef struct sCatalogEntry CatalogEntry;
struct sCatalog {
CatalogEntry *head; /**< The entries */
};
typedef struct sCatalog Catalog;
/**
An index entry. This struct holds a keyword pointer and an array of pointers to
CatalogEntry
It is managed as a linked list
*/
struct sIndexEntry {
struct sIndexEntry *next;
struct sIndexEntry *prev;
char *keyWord; /**< keyword */
dynArr_t *references; /**< references to the CatalogEntry */
};
typedef struct sIndexEntry IndexEntry;
struct sParameterLib {
Catalog *catalog; /**< list of files cataloged */
IndexEntry *index; /**< Index for lookup */
unsigned wordCount; /**< How many words indexed */
unsigned parameterFileCount; /**< */
char *words;
};
typedef struct sParameterLib
ParameterLib; /**< core data structure for the catalog */
enum WORDSTATE {
SEARCHED,
DISCARDED,
NOTFOUND,
CLOSE,
STATE_COUNT
};
struct sSearchResult {
Catalog subCatalog;
unsigned totalFound;
unsigned words; /**< no of words in search string */
struct sSingleResult {
char *keyWord;
unsigned count;
enum WORDSTATE state;
} *kw;
};
typedef struct sSearchResult SearchResult;
Catalog *InitCatalog(void);
void DestroyCatalog(Catalog *catalog);
CatalogEntry * InsertInOrder(Catalog *catalog, const char *contents, const char *tag);
void UpdateCatalogEntry(CatalogEntry *entry, char *path, char *contents, char *tag);
ParameterLib *InitLibrary(void);
ParameterLib *CreateLibrary(char *directory);
void DestroyLibrary(ParameterLib *tracklib);
bool CreateCatalogFromDir(ParameterLib *trackLib, char *directory);
unsigned CreateLibraryIndex(ParameterLib *trackLib);
unsigned SearchLibrary(ParameterLib *library, char *searchExpression, SearchResult *totalResult);
char *SearchStatistics(SearchResult *result);
void SearchDiscardResult(SearchResult *res);
unsigned CountCatalogEntries(Catalog *catalog);
void DiscardCatalog(ParameterLib *library);
EXPORT void CatalogDiscard(Catalog *catalog);
bool FilterKeyword(char *word);
#endif // !HAVE_TRACKCATALOG_H
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