X-Git-Url: https://git.deb.at/w?a=blobdiff_plain;f=misc.c;h=d49980cf5f851c21836b3965c28014579ba16b8f;hb=refs%2Fheads%2Fexperimental;hp=c8d0d73ea3c75af259671504c2d7f41095123a94;hpb=addc54efb596b39b0e4e6ce219ee0f1506337475;p=pkg%2Fabook.git

diff --git a/misc.c b/misc.c
index c8d0d73..d49980c 100644
--- a/misc.c
+++ b/misc.c
@@ -1,6 +1,6 @@
 
 /*
- * $Id: misc.c,v 1.19 2005/08/11 07:32:35 jheinonen Exp $
+ * $Id: misc.c,v 1.23 2006/09/04 18:29:25 cduval Exp $
  *
  * by JH <jheinonen@users.sourceforge.net>
  *
@@ -18,9 +18,8 @@
 #ifdef HAVE_CONFIG_H
 #	include "config.h"
 #endif
-#ifdef HANDLE_MULTIBYTE
-#	include <mbswidth.h>
-#endif
+#include <mbswidth.h>
+#include "abook.h"
 #include "misc.h"
 #include "xmalloc.h"
 
@@ -65,6 +64,19 @@ strtrim(char *s)
 	return s;
 }
 
+int
+is_number(char *p)
+{
+	if(!p || !*p || (*p == '-' && !*++p))
+		return 0;
+
+	for(; *p; p++)
+		if(!isdigit(*p))
+			return 0;
+
+	return 1;
+}
+
 
 #ifdef HAVE_CONFIG_H
 #	include "config.h"
@@ -82,7 +94,7 @@ strtrim(char *s)
 #endif
 
 char *
-mkstr (const char *format, ... )
+strdup_printf (const char *format, ... )
 {
 	MY_VA_LOCAL_DECL;
 	size_t size = 100;
@@ -274,11 +286,7 @@ int
 strwidth(const char *s)
 {
 	assert(s);
-#ifdef HANDLE_MULTIBYTE
-	return (int)mbswidth(s, 0);
-#else
-	return strlen(s);
-#endif
+	return mbswidth(s, 0);
 }
 
 int
@@ -1082,3 +1090,189 @@ int main (void)
 #endif /* SNPRINTF_TEST */
 
 #endif /* !HAVE_SNPRINTF */
+
+
+
+
+/*
+ * List handling functions
+ */
+
+void
+abook_list_append(abook_list **list, char *str)
+{
+	abook_list *tmp;
+
+	if(!str)
+		return;
+
+	for(tmp = *list; tmp && tmp->next; tmp = tmp->next)
+		;
+
+	if(tmp) {
+		tmp->next = xmalloc(sizeof(abook_list));
+		tmp = tmp->next;
+	} else
+		tmp = *list = xmalloc(sizeof(abook_list));
+
+	tmp->data = xstrdup(str);
+	tmp->next = NULL;
+}
+
+void
+abook_list_free(abook_list **list)
+{
+	abook_list *prev = NULL, *tmp = *list;
+
+	if(!list)
+		return;
+
+	while(tmp) {
+		xfree(tmp->data);
+		prev = tmp;
+		tmp = tmp->next;
+		xfree(prev);
+	}
+
+	*list = NULL;
+}
+
+abook_list *
+csv_to_abook_list(char *str)
+{
+	char *start, *p = str, *end;
+	abook_list *list = NULL;
+
+	if(!str)
+		return NULL;
+
+	SKIPWS(p);
+	start = end = p;
+
+	while(*p) {
+		if(!strchr(", ", *p)) {
+			end = ++p;
+			continue;
+		}
+
+		if((*p == ',') && (end - start)) {
+			abook_list_append(&list, xstrndup(start, end - start));
+			p++;
+			SKIPWS(p);
+			start = end = p;
+			continue;
+		}
+
+		p++;
+	}
+	if(end - start)
+		abook_list_append(&list, xstrndup(start, end - start));
+
+	return list;
+}
+
+char *
+abook_list_to_csv(abook_list *list)
+{
+	abook_list *tmp;
+	char *res = NULL;
+
+	for(tmp = list; tmp; tmp = tmp->next) {
+		if(tmp == list)
+			res = xstrdup(tmp->data);
+		else {
+			res = xrealloc(res, strlen(res)+strlen(tmp->data)+2);
+			strcat(res, ",");
+			strcat(res, tmp->data);
+		}
+	}
+
+	return res;
+}
+
+void
+abook_list_rotate(abook_list **list, enum rotate_dir dir)
+{
+	abook_list *tmp = *list;
+
+	if(!tmp || !tmp->next)
+		return;
+
+	switch(dir) {
+		case ROTATE_LEFT:
+			for(; tmp && tmp->next; tmp = tmp->next)
+				;
+
+			tmp->next = *list;
+			tmp = *list;
+			*list = (*list)->next;
+			tmp->next = NULL;
+			break;
+		case ROTATE_RIGHT:
+			for(; tmp && tmp->next && tmp->next->next;
+					tmp = tmp->next)
+				;
+
+			tmp->next->next = *list;
+			*list = tmp->next;
+			tmp->next = NULL;
+			break;
+		default:
+			assert(0);
+	}
+}
+
+/* if str == NULL, deleting the list element */
+void
+abook_list_replace(abook_list **list, int index, char *str)
+{
+	abook_list *cur, *prev;
+	int i = 0;
+
+	cur = prev = *list;
+
+	if((index == 0) && !str) {
+		*list = cur->next;
+		free(cur->data);
+		free(cur);
+		return;
+	}
+	
+	while(1) {
+		if(!cur)
+			return;
+
+		if(i == index)
+			break;
+
+		prev = cur;
+		cur = cur->next;
+		i++;
+	}
+
+	if(str) {
+		free(cur->data);
+		cur->data = xstrdup(str);
+	} else {
+		prev->next = cur->next;
+		free(cur->data);
+		free(cur);
+	}
+}
+
+abook_list *
+abook_list_get(abook_list *list, int index)
+{
+	int i = 0;
+
+	while(1) {
+		if(!list)
+			return NULL;
+
+		if(i == index)
+			return list;
+
+		i++;
+		list = list->next;
+	}
+}