let DEV_2 be trunk

[m6w6/ext-http] / php_http_strlist.c

diff --git a/php_http_strlist.c b/php_http_strlist.c
new file mode 100644 (file)
index 0000000..4e316db
--- /dev/null
+++ b/php_http_strlist.c
@@ -0,0 +1,109 @@
+/*
+    +--------------------------------------------------------------------+
+    | PECL :: http                                                       |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted provided that the conditions mentioned |
+    | in the accompanying LICENSE file are met.                          |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2004-2013, Michael Wallner <mike@php.net>            |
+    +--------------------------------------------------------------------+
+*/
+
+#include "php_http_api.h"
+
+php_http_strlist_iterator_t *php_http_strlist_iterator_init(php_http_strlist_iterator_t *iter, const char list[], unsigned factor)
+{
+       if (!iter) {
+               iter = emalloc(sizeof(*iter));
+       }
+       memset(iter, 0, sizeof(*iter));
+
+       iter->p = &list[0];
+       iter->factor = factor;
+
+       return iter;
+}
+
+const char *php_http_strlist_iterator_this(php_http_strlist_iterator_t *iter, unsigned *id)
+{
+       if (id) {
+               *id = (iter->major + 1) * iter->factor + iter->minor;
+       }
+
+       return iter->p;
+}
+
+const char *php_http_strlist_iterator_next(php_http_strlist_iterator_t *iter)
+{
+       if (*iter->p) {
+               while (*iter->p) {
+                       ++iter->p;
+               }
+               ++iter->p;
+               ++iter->minor;
+
+               if (!*iter->p) {
+                       ++iter->p;
+                       ++iter->major;
+                       iter->minor = 0;
+               }
+       }
+
+    return iter->p;
+}
+
+void php_http_strlist_iterator_dtor(php_http_strlist_iterator_t *iter)
+{
+
+}
+
+void php_http_strlist_iterator_free(php_http_strlist_iterator_t **iter)
+{
+       if (*iter) {
+               efree(*iter);
+               *iter = NULL;
+       }
+}
+
+const char *php_http_strlist_find(const char list[], unsigned factor, unsigned item)
+{
+       unsigned M = 0, m = 0, major, minor;
+       const char *p = &list[0];
+
+       if (factor) {
+               major = (item / factor) - 1;
+               minor = item % factor;
+       } else {
+               major = 0;
+               minor = item;
+       }
+    while (*p && major != M++) {
+        while (*p) {
+            while (*p) {
+                ++p;
+            }
+            ++p;
+        }
+        ++p;
+    }
+
+    while (*p && minor != m++) {
+        while (*p) {
+            ++p;
+        }
+        ++p;
+    }
+
+    return p;
+}
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
+