1 files changed, 109 insertions, 0 deletions
diff --git a/src/dict.c b/src/dict.c
new file mode 100644
index 0000000..5f48c1d
--- /dev/null
+++ b/src/dict.c
@@ -0,0 +1,109 @@
+/*
+ * This file is part of WordExtract.
+ *
+ * Copyright (C) 2009 Borisov Alexandr
+ *
+ * WordExtract 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WordExtract 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 WordExtract. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "dict.h"
+#include "main.h"
+
+Word *dict;
+SortedWords dict_words = {0, NULL};
+
+static void create_dict_file(char *path);
+
+Word *load_dict()
+{
+ FILE *fdict;
+ Word *root = NULL;
+ char word[WORDLENGTH] = {0};
+ int i;
+
+ if (!(fdict = fopen(dictfile, "r"))) {
+	perror(dictfile);
+	create_dict_file(optpath);
+	if (!(fdict = fopen(dictfile, "r"))) {
+		perror(dictfile);
+		exit(1);
+	}
+ }
+ while (!feof(fdict)) {
+	fgets(word, WORDLENGTH, fdict);
+	if (strcmp(word, "\0") == 0)		/*to not process final blank line*/
+		break;
+	word[strlen(word)-1] = '\0';
+	root = add_word(root, word);
+	for (i = 0; i < WORDLENGTH; i++)
+		word[i] = 0;
+ }
+ fclose(fdict);
+ dict_words = get_sorted(root);
+ return root;
+}
+
+void save_dict(FILE *file, Word *root)
+{
+ if (root != NULL) {
+	fprintf(file, "%s\n", root->word);
+	save_dict(file, root->lsibl);
+	save_dict(file, root->rsibl);	
+ }
+}
+
+int is_in_dict(char *word, Word *dic_rec)
+{
+ int cond;
+
+ if (dic_rec == NULL)
+	return NOT_IN_DICT;
+ else {	
+	if ((cond = strcmp(word, dic_rec->word)) == 0)
+		return IN_DICT;
+	else if (cond > 0)
+		return is_in_dict(word, dic_rec->rsibl);
+	else
+		return is_in_dict(word, dic_rec->lsibl);
+ }
+}
+
+void create_dict_file(char *path)
+{
+ mode_t mode_0755 = S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH;
+ struct stat st;
+ FILE *fdict;
+ char file[PATH_LENGTH] = {0};
+
+ if (stat(path, &st)) {
+	fprintf(stderr, "%s: Creating directory\n", path);
+	if (mkdir(path, mode_0755)) {
+		perror(path);
+		exit(1);
+	}
+ }
+ strcat(file, path);
+ strcat(file, DICT_FILE);
+ fprintf(stderr, "%s: Creating blank dictionary file\n", file);
+	if (!(fdict = fopen(file, "w"))) {
+		perror(file);
+		exit(1);
+	}
+	fclose(fdict);
+}
+