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//
// NAME
//
// dump the dictionnary of an inverted index.
//
// SYNOPSIS
//
// mifluzdict file
//
// DESCRIPTION
//
// mifluzdict writes on <b>stdout</b> a complete ascii description
// of the <b>file</b> inverted index using the <i>WordList::Write</i>
// method.
//
// ENVIRONMENT
//
// <b>MIFLUZ_CONFIG</b>
// file name of configuration file read by WordContext(3). Defaults to
// <b>~/.mifluz.</b>
//
//
// END
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 1999-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif /* HAVE_CONFIG_H */
#include <stdlib.h>
#include <unistd.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif /* HAVE_GETOPT_H */
#include <htString.h>
#include <WordContext.h>
#include <WordList.h>
#include <WordDict.h>
#include <Configuration.h>
typedef struct
{
String prefix;
} params_t;
static void action(WordContext* context, const String& file, params_t* params)
{
WordList *words = context->List();
if(words->Open(file, O_RDONLY) != OK) exit(1);
if(params->prefix.empty()) {
if(words->WriteDict(stdout) != OK) exit(1);
} else {
WordDict *dict = words->Dict();
WordDictCursor *cursor = dict->CursorPrefix(params->prefix);
String word;
WordDictRecord record;
while(dict->NextPrefix(cursor, word, record) == 0) {
printf("%s %d %d\n", (char*)word.get(), record.Id(), record.Count());
}
}
if(words->Close() != OK) exit(1);
delete words;
}
static void usage()
{
fprintf(stderr, "usage: mifluzdict [-p prefix] file\n");
exit(1);
}
int main(int argc, char *argv[])
{
params_t params;
extern char *optarg;
extern int optind;
int ch;
while ((ch = getopt(argc, argv, "p:")) != EOF) {
switch (ch) {
case 'p':
params.prefix = optarg;
break;
default:
usage();
break;
}
}
if(optind != argc - 1) usage();
//
// Mandatory to create global data needed for the library.
//
WordContext *context = new WordContext();
if(!context) exit(1);
action(context, argv[optind], ¶ms);
delete context;
}
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