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-rw-r--r--src/UriIp4.c329
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diff --git a/src/UriIp4.c b/src/UriIp4.c
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+++ b/src/UriIp4.c
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+/*
+ * uriparser - RFC 3986 URI parsing library
+ *
+ * Copyright (C) 2007, Weijia Song <songweijia@gmail.com>
+ * Copyright (C) 2007, Sebastian Pipping <webmaster@hartwork.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * * Neither the name of the <ORGANIZATION> nor the names of its
+ * contributors may be used to endorse or promote products
+ * derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @file UriIp4.c
+ * Holds the IPv4 parser implementation.
+ * NOTE: This source file includes itself twice.
+ */
+
+/* What encodings are enabled? */
+#include <uriparser/UriDefsConfig.h>
+#if (!defined(URI_PASS_ANSI) && !defined(URI_PASS_UNICODE))
+/* Include SELF twice */
+# ifdef URI_ENABLE_ANSI
+# define URI_PASS_ANSI 1
+# include "UriIp4.c"
+# undef URI_PASS_ANSI
+# endif
+# ifdef URI_ENABLE_UNICODE
+# define URI_PASS_UNICODE 1
+# include "UriIp4.c"
+# undef URI_PASS_UNICODE
+# endif
+#else
+# ifdef URI_PASS_ANSI
+# include <uriparser/UriDefsAnsi.h>
+# else
+# include <uriparser/UriDefsUnicode.h>
+# endif
+
+
+
+#ifndef URI_DOXYGEN
+# include <uriparser/UriIp4.h>
+# include "UriIp4Base.h"
+# include <uriparser/UriBase.h>
+#endif
+
+
+
+/* Prototypes */
+static const URI_CHAR * URI_FUNC(ParseDecOctet)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast);
+static const URI_CHAR * URI_FUNC(ParseDecOctetOne)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast);
+static const URI_CHAR * URI_FUNC(ParseDecOctetTwo)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast);
+static const URI_CHAR * URI_FUNC(ParseDecOctetThree)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast);
+static const URI_CHAR * URI_FUNC(ParseDecOctetFour)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast);
+
+
+
+/*
+ * [ipFourAddress]->[decOctet]<.>[decOctet]<.>[decOctet]<.>[decOctet]
+ */
+int URI_FUNC(ParseIpFourAddress)(unsigned char * octetOutput,
+ const URI_CHAR * first, const URI_CHAR * afterLast) {
+ const URI_CHAR * after;
+ UriIp4Parser parser;
+
+ /* Essential checks */
+ if ((octetOutput == NULL) || (first == NULL)
+ || (afterLast <= first)) {
+ return URI_ERROR_SYNTAX;
+ }
+
+ /* Reset parser */
+ parser.stackCount = 0;
+
+ /* Octet #1 */
+ after = URI_FUNC(ParseDecOctet)(&parser, first, afterLast);
+ if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) {
+ return URI_ERROR_SYNTAX;
+ }
+ uriStackToOctet(&parser, octetOutput);
+
+ /* Octet #2 */
+ after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast);
+ if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) {
+ return URI_ERROR_SYNTAX;
+ }
+ uriStackToOctet(&parser, octetOutput + 1);
+
+ /* Octet #3 */
+ after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast);
+ if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) {
+ return URI_ERROR_SYNTAX;
+ }
+ uriStackToOctet(&parser, octetOutput + 2);
+
+ /* Octet #4 */
+ after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast);
+ if (after != afterLast) {
+ return URI_ERROR_SYNTAX;
+ }
+ uriStackToOctet(&parser, octetOutput + 3);
+
+ return URI_SUCCESS;
+}
+
+
+
+/*
+ * [decOctet]-><0>
+ * [decOctet]-><1>[decOctetOne]
+ * [decOctet]-><2>[decOctetTwo]
+ * [decOctet]-><3>[decOctetThree]
+ * [decOctet]-><4>[decOctetThree]
+ * [decOctet]-><5>[decOctetThree]
+ * [decOctet]-><6>[decOctetThree]
+ * [decOctet]-><7>[decOctetThree]
+ * [decOctet]-><8>[decOctetThree]
+ * [decOctet]-><9>[decOctetThree]
+ */
+static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctet)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast) {
+ if (first >= afterLast) {
+ return NULL;
+ }
+
+ switch (*first) {
+ case _UT('0'):
+ uriPushToStack(parser, 0);
+ return first + 1;
+
+ case _UT('1'):
+ uriPushToStack(parser, 1);
+ return (const URI_CHAR *)URI_FUNC(ParseDecOctetOne)(parser, first + 1, afterLast);
+
+ case _UT('2'):
+ uriPushToStack(parser, 2);
+ return (const URI_CHAR *)URI_FUNC(ParseDecOctetTwo)(parser, first + 1, afterLast);
+
+ case _UT('3'):
+ case _UT('4'):
+ case _UT('5'):
+ case _UT('6'):
+ case _UT('7'):
+ case _UT('8'):
+ case _UT('9'):
+ uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
+ return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast);
+
+ default:
+ return NULL;
+ }
+}
+
+
+
+/*
+ * [decOctetOne]-><NULL>
+ * [decOctetOne]->[DIGIT][decOctetThree]
+ */
+static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetOne)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast) {
+ if (first >= afterLast) {
+ return afterLast;
+ }
+
+ switch (*first) {
+ case _UT('0'):
+ case _UT('1'):
+ case _UT('2'):
+ case _UT('3'):
+ case _UT('4'):
+ case _UT('5'):
+ case _UT('6'):
+ case _UT('7'):
+ case _UT('8'):
+ case _UT('9'):
+ uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
+ return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast);
+
+ default:
+ return first;
+ }
+}
+
+
+
+/*
+ * [decOctetTwo]-><NULL>
+ * [decOctetTwo]-><0>[decOctetThree]
+ * [decOctetTwo]-><1>[decOctetThree]
+ * [decOctetTwo]-><2>[decOctetThree]
+ * [decOctetTwo]-><3>[decOctetThree]
+ * [decOctetTwo]-><4>[decOctetThree]
+ * [decOctetTwo]-><5>[decOctetFour]
+ * [decOctetTwo]-><6>
+ * [decOctetTwo]-><7>
+ * [decOctetTwo]-><8>
+ * [decOctetTwo]-><9>
+*/
+static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetTwo)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast) {
+ if (first >= afterLast) {
+ return afterLast;
+ }
+
+ switch (*first) {
+ case _UT('0'):
+ case _UT('1'):
+ case _UT('2'):
+ case _UT('3'):
+ case _UT('4'):
+ uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
+ return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast);
+
+ case _UT('5'):
+ uriPushToStack(parser, 5);
+ return (const URI_CHAR *)URI_FUNC(ParseDecOctetFour)(parser, first + 1, afterLast);
+
+ case _UT('6'):
+ case _UT('7'):
+ case _UT('8'):
+ case _UT('9'):
+ uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
+ return first + 1;
+
+ default:
+ return first;
+ }
+}
+
+
+
+/*
+ * [decOctetThree]-><NULL>
+ * [decOctetThree]->[DIGIT]
+ */
+static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetThree)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast) {
+ if (first >= afterLast) {
+ return afterLast;
+ }
+
+ switch (*first) {
+ case _UT('0'):
+ case _UT('1'):
+ case _UT('2'):
+ case _UT('3'):
+ case _UT('4'):
+ case _UT('5'):
+ case _UT('6'):
+ case _UT('7'):
+ case _UT('8'):
+ case _UT('9'):
+ uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
+ return first + 1;
+
+ default:
+ return first;
+ }
+}
+
+
+
+/*
+ * [decOctetFour]-><NULL>
+ * [decOctetFour]-><0>
+ * [decOctetFour]-><1>
+ * [decOctetFour]-><2>
+ * [decOctetFour]-><3>
+ * [decOctetFour]-><4>
+ * [decOctetFour]-><5>
+ */
+static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetFour)(UriIp4Parser * parser,
+ const URI_CHAR * first, const URI_CHAR * afterLast) {
+ if (first >= afterLast) {
+ return afterLast;
+ }
+
+ switch (*first) {
+ case _UT('0'):
+ case _UT('1'):
+ case _UT('2'):
+ case _UT('3'):
+ case _UT('4'):
+ case _UT('5'):
+ uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
+ return first + 1;
+
+ default:
+ return first;
+ }
+}
+
+
+
+#endif
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