attempt to implement some personal standards

[m6w6/ext-http] / src / php_http_version.c

diff --git a/src/php_http_version.c b/src/php_http_version.c
new file mode 100644 (file)
index 0000000..7adef9d
--- /dev/null
+++ b/src/php_http_version.c
@@ -0,0 +1,90 @@
+/*
+    +--------------------------------------------------------------------+
+    | 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) 2004-2014, Michael Wallner <mike@php.net>            |
+    +--------------------------------------------------------------------+
+*/
+
+#include "php_http_api.h"
+
+php_http_version_t *php_http_version_init(php_http_version_t *v, unsigned major, unsigned minor TSRMLS_DC)
+{
+       if (!v) {
+               v = emalloc(sizeof(*v));
+       }
+
+       v->major = major;
+       v->minor = minor;
+
+       return v;
+}
+
+php_http_version_t *php_http_version_parse(php_http_version_t *v, const char *str TSRMLS_DC)
+{
+       long major, minor;
+       char separator = 0;
+       register const char *ptr = str;
+
+       switch (*ptr) {
+       case 'h':
+       case 'H':
+               ++ptr; if (*ptr != 't' && *ptr != 'T') break;
+               ++ptr; if (*ptr != 't' && *ptr != 'T') break;
+               ++ptr; if (*ptr != 'p' && *ptr != 'P') break;
+               ++ptr; if (*ptr != '/') break;
+               ++ptr;
+               /* no break */
+       default:
+               /* rfc7230#2.6 The HTTP version number consists of two decimal digits separated by a "." (period or decimal point) */
+               major = *ptr++ - '0';
+               if (major >= 0 && major <= 9) {
+                       separator = *ptr++;
+                       if (separator) {
+                               if (separator != '.' && separator != ',') {
+                                       php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Non-standard version separator '%c' in HTTP protocol version '%s'", separator, ptr - 2);
+                               }
+                               minor = *ptr - '0';
+                               if (minor >= 0 && minor <= 9) {
+                                       return php_http_version_init(v, major, minor TSRMLS_CC);
+                               }
+                       }
+               }
+       }
+
+       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not parse HTTP protocol version '%s'", str);
+       return NULL;
+}
+
+void php_http_version_to_string(php_http_version_t *v, char **str, size_t *len, const char *pre, const char *post TSRMLS_DC)
+{
+       *len = spprintf(str, 0, "%s%u.%u%s", pre ? pre : "", v->major, v->minor, post ? post : "");
+}
+
+void php_http_version_dtor(php_http_version_t *v)
+{
+       (void) v;
+}
+
+void php_http_version_free(php_http_version_t **v)
+{
+       if (*v) {
+               php_http_version_dtor(*v);
+               efree(*v);
+               *v = NULL;
+       }
+}
+
+/*
+ * 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
+ */
+