implement x-www-form-urlencoded encoder.

[bbk/bchanf.git] / src / coding / htmlform_urlencoder.h

diff --git a/src/coding/htmlform_urlencoder.h b/src/coding/htmlform_urlencoder.h
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+++ b/src/coding/htmlform_urlencoder.h
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+/*
+ * htmlform_urlencoder.h
+ *
+ * Copyright (c) 2015 project bchan
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ *    distribution.
+ *
+ */
+
+/* http://tools.ietf.org/html/rfc1866#section-8.2.1 */
+
+/* Vendor name: */
+/* Functionality name: htmlform */
+/* Detail name: urnencoder */
+
+#include    <basic.h>
+
+#ifndef __HTMLFORM_URLENCODER_H__
+#define __HTMLFORM_URLENCODER_H__
+
+/* Functionality name: htmlform */
+/* Detail name: */
+/* Data structure identifier: field */
+struct htmlform_field_ {
+       UB *name;
+       W name_len;
+       UB *value;
+       W value_len;
+};
+typedef struct htmlform_field_ htmlform_field;
+
+/* Functionality name: htmlform */
+/* Detail name: urlencoder */
+struct htmlform_urlencoder_t_ {
+       htmlform_field *fields;
+       W fields_len;
+       enum {
+               HTMLFORM_URLENCODER_STATE_NAME,
+               HTMLFORM_URLENCODER_STATE_EQUAL,
+               HTMLFORM_URLENCODER_STATE_VALUE,
+               HTMLFORM_URLENCODER_STATE_AMP
+       } state;
+       W field_index;
+       W src_pos;
+       UB buf[3];
+};
+typedef struct htmlform_urlencoder_t_ htmlform_urlencoder_t;
+
+IMPORT VOID htmlform_urlencoder_initialize(htmlform_urlencoder_t *encoder, htmlform_field *fields, W fields_len);
+IMPORT VOID htmlform_urlencoder_finalize(htmlform_urlencoder_t *encoder);
+IMPORT Bool htmlform_urlencoder_next(htmlform_urlencoder_t *encoder, UB **str, W *len);
+
+#endif