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/*
* Copyright (C) 2010, Nokia <ivan.frade@nokia.com>
*
* This library 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 library 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 library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <string.h>
#include <locale.h>
#include <glib.h>
#include <gio/gio.h>
#include <libtracker-common/tracker-common.h>
/* Normally this would be in the libtracker-fts config */
#define DEFAULT_MAX_WORD_LENGTH 30
#define DEFAULT_ENABLE_STEMMER FALSE
#define DEFAULT_ENABLE_UNACCENT TRUE
#define DEFAULT_IGNORE_STOP_WORDS TRUE
#define DEFAULT_IGNORE_NUMBERS TRUE
static gchar *text;
static gchar *filename;
static gboolean verbose;
/* Command Line options */
static const GOptionEntry options [] = {
{
"verbose", 'v', G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_NONE, &verbose,
"Enable verbose output",
NULL
},
{
"text", 't', 0,
G_OPTION_ARG_STRING, &text,
"Specific text to parse",
NULL
},
{
"file", 'f', 0,
G_OPTION_ARG_STRING, &filename,
"Specific file to parse its contents",
NULL
},
{ NULL }
};
static gboolean
setup_context (gint argc,
gchar **argv)
{
GOptionContext *context = NULL;
GError *error = NULL;
/* Setup command line options */
context = g_option_context_new ("- Test the Tracker FTS parser");
g_option_context_add_main_entries (context,
options,
argv[0]);
/* Parse input arguments */
if (!g_option_context_parse (context,
&argc,
&argv,
&error))
{
g_printerr ("%s\nRun '%s --help' to see a full list of available "
"command line options.\n",
error->message,
argv[0]);
g_error_free (error);
return FALSE;
}
g_option_context_free (context);
return TRUE;
}
static gboolean
load_file_contents (void)
{
GError *error = NULL;
GFile *file;
file = g_file_new_for_commandline_arg (filename);
if (!g_file_load_contents (file, NULL, &text, NULL, NULL, &error)) {
g_printerr ("Error loading file '%s' contents: '%s'\n",
filename,
error->message);
g_error_free (error);
g_object_unref (file);
return FALSE;
}
g_object_unref (file);
return TRUE;
}
static gboolean
run_parsing (void)
{
TrackerParser *parser;
GTimer *timer;
/* Initialize timing */
timer = g_timer_new ();
/* Create the parser */
parser = tracker_parser_new ();
if (!parser) {
g_printerr ("Parser creation failed!\n");
return FALSE;
}
/* Reset the parser with our string, reading the current FTS config */
tracker_parser_reset (parser,
text,
strlen (text),
DEFAULT_MAX_WORD_LENGTH,
DEFAULT_ENABLE_STEMMER,
DEFAULT_ENABLE_UNACCENT,
DEFAULT_IGNORE_STOP_WORDS,
TRUE,
DEFAULT_IGNORE_NUMBERS);
/* Loop through all words! */
while (1) {
const gchar *word;
gint position;
gint byte_offset_start;
gint byte_offset_end;
gboolean stop_word;
gint word_length;
/* Process next word */
word = tracker_parser_next (parser,
&position,
&byte_offset_start,
&byte_offset_end,
&stop_word,
&word_length);
/* Stop loop if no more words */
if (!word) {
break;
}
if (verbose) {
gchar *word_hex;
gchar *original_word;
gchar *original_word_hex;
gint original_word_length;
/* Get original word */
original_word_length = byte_offset_end - byte_offset_start;
original_word = g_malloc (original_word_length + 1);
memcpy (original_word,
&text[byte_offset_start],
original_word_length);
original_word[original_word_length] = '\0';
/* Get hex strings */
word_hex = tracker_strhex ((guint8 *)word, word_length, ':');
original_word_hex = tracker_strhex ((guint8 *)original_word,
original_word_length,
':');
g_print ("WORD at %d [%d,%d] Original: '%s' (%s), "
"Processed: '%s' (%s) (stop? %s)\n",
position,
byte_offset_start,
byte_offset_end,
original_word,
original_word_hex,
word,
word_hex,
stop_word ? "yes" : "no");
g_free (word_hex);
g_free (original_word_hex);
g_free (original_word);
}
}
g_print ("\n----> Parsing finished after '%lf' seconds\n",
g_timer_elapsed (timer, NULL));
g_timer_destroy (timer);
tracker_parser_free (parser);
return TRUE;
}
int
main (int argc, char **argv)
{
/* Setup locale */
setlocale (LC_ALL, "");
/* Setup context */
if (!setup_context (argc, argv)) {
g_printerr ("Context setup failed... exiting\n");
return -1;
}
/* Either text or file must be given */
if (filename == NULL &&
text == NULL) {
g_printerr ("Either 'file' or 'text' options should be used\n"
"Run '%s --help' to see a full list of available "
"command line options.\n",
argv[0]);
return -2;
}
/* If required, load file contents */
if (filename != NULL &&
!load_file_contents ()) {
g_printerr ("Loading file '%s' contents failed... exiting\n",
filename);
return -3;
}
/* Run the parsing! */
if (!run_parsing ()) {
g_printerr ("Parsing operation failed... exiting\n");
return -4;
}
/* Clean exit */
if (filename)
g_free (text);
return 0;
}
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