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Diffstat (limited to 'libibex/find.c')
| -rw-r--r-- | libibex/find.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/libibex/find.c b/libibex/find.c deleted file mode 100644 index 6b9815f0c0..0000000000 --- a/libibex/find.c +++ /dev/null @@ -1,198 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Copyright (C) 2000 Helix Code, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with the Gnome Library; see the file COPYING.LIB. If not, - * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* find.c: index file searching ops */ - -#include <string.h> - -#include "ibex_internal.h" - -/** - * ibex_find: search an ibex for a word - * @ib: an ibex - * @word: the word - * - * This routine searches an ibex for a word and returns a GPtrArray - * containing the names of the files in the ibex that contain the word. - * If no matches are found, it will return an empty array (not NULL). - * The caller must free the array, but MUST NOT free or alter its - * elements. - * - * Return value: the array of filenames containing @word - **/ -GPtrArray * -ibex_find (ibex *ib, char *word) -{ - GPtrArray *refs, *ret; - ibex_file *ibf; - int i; - - ret = g_ptr_array_new (); - refs = g_hash_table_lookup (ib->words, word); - if (refs) { - for (i = 0; i < refs->len; i++) { - ibf = g_ptr_array_index (refs, i); - g_ptr_array_add (ret, ibf->name); - } - } - return ret; -} - -/** - * ibex_contains_name: - * @ib: - * @name: - * - * Returns #TRUE if the ibex @ib has any index entry for - * the key @name. - * - * Return value: - **/ -gboolean -ibex_contains_name(ibex *ib, char *name) -{ - return g_tree_lookup(ib->files, name) != NULL; -} - -/** - * ibex_find_name: Check if a word occurs in a given file - * @ib: an ibex - * @name: a filename - * @word: a word - * - * This checks if the given word occurs in the given file. - * - * Return value: TRUE or FALSE - **/ -gboolean -ibex_find_name (ibex *ib, char *name, char *word) -{ - GPtrArray *refs; - ibex_file *ibf; - int i; - - refs = g_hash_table_lookup (ib->words, word); - if (refs) { - for (i = 0; i < refs->len; i++) { - ibf = g_ptr_array_index (refs, i); - if (!strcmp (ibf->name, name)) - return TRUE; - } - } - return FALSE; -} - -static gint -build_array (gpointer key, gpointer value, gpointer data) -{ - char *name = key; - unsigned int count = GPOINTER_TO_UINT (value); - GPtrArray *ret = data; - - if (count == 1) - g_ptr_array_add (ret, name); - return FALSE; -} - -/** - * ibex_find_all: Find files containing multiple words - * @ib: an ibex - * @words: a GPtrArray of words - * - * This works like ibex_find(), but returns an array of filenames - * which contain all of the words in @words. - * - * Return value: an array of matches - **/ -GPtrArray * -ibex_find_all (ibex *ib, GPtrArray *words) -{ - GTree *work; - GPtrArray *wrefs, *ret; - int i, j, count; - char *word; - ibex_file *ibf; - - if (words->len == 0) - return g_ptr_array_new (); - else if (words->len == 1) - return ibex_find (ib, g_ptr_array_index (words, 0)); - - work = g_tree_new ((GCompareFunc) strcmp); - for (i = 0; i < words->len; i++) { - word = g_ptr_array_index (words, i); - wrefs = g_hash_table_lookup (ib->words, word); - if (!wrefs) { - /* One of the words isn't even in the index. */ - g_tree_destroy (work); - return g_ptr_array_new (); - } - - if (i == 0) { - /* Copy the references into a tree, using the - * filenames as keys and the size of words as - * the value. - */ - for (j = 0; j < wrefs->len; j++) { - ibf = g_ptr_array_index (wrefs, j); - g_tree_insert (work, ibf->name, - GUINT_TO_POINTER (words->len)); - } - } else { - /* Increment the counts in the working tree - * for the references for this word. - */ - for (j = 0; j < wrefs->len; j++) { - ibf = g_ptr_array_index (wrefs, j); - count = GPOINTER_TO_UINT (g_tree_lookup (work, ibf->name)); - if (count) { - g_tree_insert (work, ibf->name, - GUINT_TO_POINTER (count - 1)); - } - } - } - } - - /* Build an array with the refs that contain all the words. */ - ret = g_ptr_array_new (); - g_tree_traverse (work, build_array, G_IN_ORDER, ret); - g_tree_destroy (work); - return ret; -} - -static void -ibex_dump_foo(char *key, GPtrArray *refs, void *data) -{ - int i; - - g_print("%s: ", key); - for (i=0;i<refs->len;i++) { - ibex_file *ibf = g_ptr_array_index (refs, i); - g_print("%c%s", ibf->index==-1?'-':' ', ibf->name); - } - g_print("\n"); -} - -/* debug function to dump the tree, in key order */ -void -ibex_dump_all (ibex *ib) -{ - g_hash_table_foreach(ib->words, (GHFunc) ibex_dump_foo, 0); -} |