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/* This file is a part of WordExtract project
*
* Copyright (C) 2009 Borisov Alexandr
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "word.h"
#include "dict.h"
inline char *wordcpy(char *word);
inline void free_word_record(Word *record);
int to_list(char *word)
{
if (!is_in_dict(word, dict)) {
words = add_word_record(words, word);
}
return 0;
}
Word *add_word_record(Word *root, char *word)
{
int cond;
if (root == NULL) {
root = malloc(sizeof(Word));
root->word = wordcpy(word);
root->lsibl = root->rsibl = NULL;
}
else {
cond = strcmp(word, root->word);
if (cond > 0)
root->rsibl = add_word_record(root->rsibl, word);
else if (cond < 0)
root->lsibl = add_word_record(root->lsibl, word);
}
return root;
}
void free_words(Word *root)
{
if (root->lsibl != NULL)
free_words(root->lsibl);
if (root->rsibl != NULL)
free_words(root->rsibl);
free_word_record(root);
}
void print_words(Word *root)
{
if (root != NULL) {
print_words(root->lsibl);
print_words(root->rsibl);
printf("%s\n", root->word);
}
}
inline void free_word_record(Word *record)
{
free(record->word);
free(record);
}
inline char *wordcpy(char *word)
{
char *p;
p = malloc(strlen(word)+1);
if (p != NULL)
strcpy(p, word);
return p;
}
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