--- /dev/null
+/*
+ * htmlform_urlencoder.c
+ *
+ * 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.
+ *
+ */
+
+#include "htmlform_urlencoder.h"
+
+#include <basic.h>
+#include <bctype.h>
+
+#ifdef BCHAN_CONFIG_DEBUG
+# define DP(arg) printf arg
+# define DP_ER(msg, err) printf("%s (%d/%x)\n", msg, err>>16, err)
+#else
+# define DP(arg) /**/
+# define DP_ER(msg, err) /**/
+#endif
+
+#if 0
+# define DP_STATE(state) printf("%s\n", state)
+#else
+# define DP_STATE(state) /**/
+#endif
+
+LOCAL VOID htmlform_urlencoder_convert(htmlform_urlencoder_t *encoder, UB ch, UB **str, W *len)
+{
+ static UB num[] = "0123456789ABCDEF";
+ UB *buffer = encoder->buf;
+
+ if (ch == 0x2E) { /* '.' */
+ buffer[0] = ch;
+ *len = 1;
+ } else if (ch == 0x2D) { /* '-' */
+ buffer[0] = ch;
+ *len = 1;
+ } else if (ch == 0x5F) { /* '_' */
+ buffer[0] = ch;
+ *len = 1;
+ } else if (ch == 0x20) { /* ' ' */
+ buffer[0] = 0x2B; /* '+' */
+ *len = 1;
+ } else if (isalnum(ch)) {
+ buffer[0] = ch;
+ *len = 1;
+ } else {
+ buffer[0] = 0x25; /* '%' */
+ buffer[1] = num[ch >> 4];
+ buffer[2] = num[ch & 0xF];
+ *len = 3;
+ }
+
+ *str = buffer;
+}
+
+LOCAL UB equal[] = "=";
+LOCAL UB amp[] = "&";
+
+EXPORT Bool htmlform_urlencoder_next(htmlform_urlencoder_t *encoder, UB **str, W *len)
+{
+ htmlform_field *field;
+
+ if (encoder->field_index == encoder->fields_len) {
+ return False;
+ }
+
+ field = encoder->fields + encoder->field_index;
+
+ switch (encoder->state) {
+ case HTMLFORM_URLENCODER_STATE_NAME:
+ DP_STATE("NAME");
+ htmlform_urlencoder_convert(encoder, field->name[encoder->src_pos], str, len);
+ encoder->src_pos++;
+ if (encoder->src_pos == field->name_len) {
+ encoder->state = HTMLFORM_URLENCODER_STATE_EQUAL;
+ }
+ return True;
+ case HTMLFORM_URLENCODER_STATE_EQUAL:
+ DP_STATE("EQUAL");
+ *str = equal;
+ *len = 1;
+ encoder->state = HTMLFORM_URLENCODER_STATE_VALUE;
+ encoder->src_pos = 0;
+ return True;
+ case HTMLFORM_URLENCODER_STATE_VALUE:
+ DP_STATE("VALUE");
+ htmlform_urlencoder_convert(encoder, field->value[encoder->src_pos], str, len);
+ encoder->src_pos++;
+ if (encoder->src_pos == field->value_len) {
+ encoder->state = HTMLFORM_URLENCODER_STATE_AMP;
+ encoder->field_index++;
+ }
+ return True;
+ case HTMLFORM_URLENCODER_STATE_AMP:
+ DP_STATE("AMP");
+ *str = amp;
+ *len = 1;
+ encoder->state = HTMLFORM_URLENCODER_STATE_NAME;
+ encoder->src_pos = 0;
+ return True;
+ }
+
+ return False;
+}
+
+EXPORT VOID htmlform_urlencoder_initialize(htmlform_urlencoder_t *encoder, htmlform_field *fields, W fields_len)
+{
+ encoder->fields = fields;
+ encoder->fields_len = fields_len;
+ encoder->state = HTMLFORM_URLENCODER_STATE_NAME;
+ encoder->field_index = 0;
+ encoder->src_pos = 0;
+}
+
+EXPORT VOID htmlform_urlencoder_finalize(htmlform_urlencoder_t *encoder)
+{
+}
--- /dev/null
+/*
+ * 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
--- /dev/null
+/*
+ * test_htmlform_urlencoder.c
+ *
+ * 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.
+ *
+ */
+
+#include "test_coding.h"
+
+#include "htmlform_urlencoder.h"
+
+#include <btron/btron.h>
+#include <bstdio.h>
+#include <bstring.h>
+#include <bstdlib.h>
+
+#include <unittest_driver.h>
+
+typedef struct urlencoder_testdata_t_ {
+ htmlform_field *src;
+ W src_len;
+ UB *expected;
+ W expected_len;
+} urlencoder_testdata_t;
+
+LOCAL UNITTEST_RESULT test_htmlform_urlencoder_common(urlencoder_testdata_t *testdata)
+{
+ htmlform_urlencoder_t encoder;
+ Bool cont;
+ UB *str, *result;
+ W len, result_len;
+ UNITTEST_RESULT ret = UNITTEST_RESULT_PASS;
+
+ result = (UB*)malloc(sizeof(UB));
+ if (result == NULL) {
+ return UNITTEST_RESULT_FAIL;
+ }
+ result[0] = '\0';
+ result_len = 0;
+
+ htmlform_urlencoder_initialize(&encoder, testdata->src, testdata->src_len);
+
+ for (;;) {
+ cont = htmlform_urlencoder_next(&encoder, &str, &len);
+ if (cont == False) {
+ break;
+ }
+ result = realloc(result, result_len + len + 1);
+ if (result == NULL) {
+ ret = UNITTEST_RESULT_FAIL;
+ break;
+ }
+ strncat(result, str, len);
+ result_len += len;
+ }
+
+ htmlform_urlencoder_finalize(&encoder);
+
+ if (result != NULL) {
+ if (testdata->expected_len != result_len) {
+ printf("length failure: expected = %d, result = %d\n", testdata->expected_len, result_len);
+ ret = UNITTEST_RESULT_FAIL;
+ }
+ if (strncmp(testdata->expected, result, result_len) != 0) {
+ printf("encoded string failure: %s\n", result);
+ ret = UNITTEST_RESULT_FAIL;
+ }
+
+ free(result);
+ }
+
+ return ret;
+}
+
+LOCAL UNITTEST_RESULT test_htmlform_urlencoder_1()
+{
+ htmlform_field src[] = {
+ (htmlform_field){"aaa", 3, "bbb", 3},
+ (htmlform_field){"cc", 2, "dd", 2},
+ };
+ W src_len = 2;
+ UB expected[] = "aaa=bbb&cc=dd";
+ W expected_len = strlen(expected);
+ urlencoder_testdata_t testdata = {
+ src, src_len, expected, expected_len
+ };
+ return test_htmlform_urlencoder_common(&testdata);
+}
+
+LOCAL UNITTEST_RESULT test_htmlform_urlencoder_2()
+{
+ htmlform_field src[] = {
+ (htmlform_field){"aaa", 3, "bb", 2},
+ (htmlform_field){"cc", 2, "ddd", 3},
+ };
+ W src_len = 2;
+ UB expected[] = "aaa=bb&cc=ddd";
+ W expected_len = strlen(expected);
+ urlencoder_testdata_t testdata = {
+ src, src_len, expected, expected_len
+ };
+ return test_htmlform_urlencoder_common(&testdata);
+}
+
+LOCAL UNITTEST_RESULT test_htmlform_urlencoder_3()
+{
+ htmlform_field src[] = {
+ (htmlform_field){"a a", 3, "b b", 3},
+ };
+ W src_len = 1;
+ UB expected[] = "a+a=b+b";
+ W expected_len = strlen(expected);
+ urlencoder_testdata_t testdata = {
+ src, src_len, expected, expected_len
+ };
+ return test_htmlform_urlencoder_common(&testdata);
+}
+
+LOCAL UNITTEST_RESULT test_htmlform_urlencoder_4()
+{
+ htmlform_field src[] = {
+ (htmlform_field){(UB[]){0xA0, 0xA1, 0xA2}, 3, (UB[]){0xB3, 0xB4, 0xB5}, 3},
+ };
+ W src_len = 1;
+ UB expected[] = "%A0%A1%A2=%B3%B4%B5";
+ W expected_len = strlen(expected);
+ urlencoder_testdata_t testdata = {
+ src, src_len, expected, expected_len
+ };
+ return test_htmlform_urlencoder_common(&testdata);
+}
+
+EXPORT VOID test_htmlform_urlencoder_main(unittest_driver_t *driver)
+{
+ UNITTEST_DRIVER_REGIST(driver, test_htmlform_urlencoder_1);
+ UNITTEST_DRIVER_REGIST(driver, test_htmlform_urlencoder_2);
+ UNITTEST_DRIVER_REGIST(driver, test_htmlform_urlencoder_3);
+ UNITTEST_DRIVER_REGIST(driver, test_htmlform_urlencoder_4);
+}