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-rw-r--r--src/UriRecompose.c577
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diff --git a/src/UriRecompose.c b/src/UriRecompose.c
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+++ b/src/UriRecompose.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.
+ */
+
+/* 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 "UriRecompose.c"
+# undef URI_PASS_ANSI
+# endif
+# ifdef URI_ENABLE_UNICODE
+# define URI_PASS_UNICODE 1
+# include "UriRecompose.c"
+# undef URI_PASS_UNICODE
+# endif
+#else
+# ifdef URI_PASS_ANSI
+# include <uriparser/UriDefsAnsi.h>
+# else
+# include <uriparser/UriDefsUnicode.h>
+# include <wchar.h>
+# endif
+
+
+
+#ifndef URI_DOXYGEN
+# include <uriparser/Uri.h>
+# include "UriCommon.h"
+#endif
+
+
+
+static int URI_FUNC(ToStringEngine)(URI_CHAR * dest, const URI_TYPE(Uri) * uri,
+ int maxChars, int * charsWritten, int * charsRequired);
+
+
+
+int URI_FUNC(ToStringCharsRequired)(const URI_TYPE(Uri) * uri,
+ int * charsRequired) {
+ const int MAX_CHARS = ((unsigned int)-1) >> 1;
+ return URI_FUNC(ToStringEngine)(NULL, uri, MAX_CHARS, NULL, charsRequired);
+}
+
+
+
+int URI_FUNC(ToString)(URI_CHAR * dest, const URI_TYPE(Uri) * uri,
+ int maxChars, int * charsWritten) {
+ return URI_FUNC(ToStringEngine)(dest, uri, maxChars, charsWritten, NULL);
+}
+
+
+
+static URI_INLINE int URI_FUNC(ToStringEngine)(URI_CHAR * dest,
+ const URI_TYPE(Uri) * uri, int maxChars, int * charsWritten,
+ int * charsRequired) {
+ int written = 0;
+ if ((uri == NULL) || ((dest == NULL) && (charsRequired == NULL))) {
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_NULL;
+ }
+
+ if (maxChars < 1) {
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ maxChars--; /* So we don't have to substract 1 for '\0' all the time */
+
+ /* [01/19] result = "" */
+ if (dest != NULL) {
+ dest[0] = _UT('\0');
+ } else {
+ (*charsRequired) = 0;
+ }
+ /* [02/19] if defined(scheme) then */
+ if (uri->scheme.first != NULL) {
+ /* [03/19] append scheme to result; */
+ const int charsToWrite
+ = (int)(uri->scheme.afterLast - uri->scheme.first);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->scheme.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += charsToWrite;
+ }
+ /* [04/19] append ":" to result; */
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT(":"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ /* [05/19] endif; */
+ }
+ /* [06/19] if defined(authority) then */
+ if (URI_FUNC(IsHostSet)(uri)) {
+ /* [07/19] append "//" to result; */
+ if (dest != NULL) {
+ if (written + 2 <= maxChars) {
+ memcpy(dest + written, _UT("//"),
+ 2 * sizeof(URI_CHAR));
+ written += 2;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 2;
+ }
+ /* [08/19] append authority to result; */
+ /* UserInfo */
+ if (uri->userInfo.first != NULL) {
+ const int charsToWrite = (int)(uri->userInfo.afterLast - uri->userInfo.first);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->userInfo.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("@"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += charsToWrite + 1;
+ }
+ }
+
+ /* Host */
+ if (uri->hostData.ip4 != NULL) {
+ /* IPv4 */
+ int i = 0;
+ for (; i < 4; i++) {
+ const unsigned char value = uri->hostData.ip4->data[i];
+ const int charsToWrite = (value > 99) ? 3 : ((value > 9) ? 2 : 1);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ URI_CHAR text[4];
+ if (value > 99) {
+ text[0] = _UT('0') + (value / 100);
+ text[1] = _UT('0') + ((value % 100) / 10);
+ text[2] = _UT('0') + (value % 10);
+ } else if (value > 9) {
+ text[0] = _UT('0') + (value / 10);
+ text[1] = _UT('0') + (value % 10);
+ } else {
+ text[0] = _UT('0') + value;
+ }
+ text[charsToWrite] = _UT('\0');
+ memcpy(dest + written, text, charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ if (i < 3) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("."),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ }
+ } else {
+ (*charsRequired) += charsToWrite + 1;
+ }
+ }
+ } else if (uri->hostData.ip6 != NULL) {
+ /* IPv6 */
+ int i = 0;
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("["),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+
+ for (; i < 16; i++) {
+ const unsigned char value = uri->hostData.ip6->data[i];
+ if (dest != NULL) {
+ if (written + 2 <= maxChars) {
+ URI_CHAR text[3];
+ text[0] = URI_FUNC(HexToLetterEx)(value / 16, URI_FALSE);
+ text[1] = URI_FUNC(HexToLetterEx)(value % 16, URI_FALSE);
+ text[2] = _UT('\0');
+ memcpy(dest + written, text, 2 * sizeof(URI_CHAR));
+ written += 2;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 2;
+ }
+ if (((i & 1) == 1) && (i < 15)) {
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT(":"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ }
+ }
+
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("]"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ } else if (uri->hostData.ipFuture.first != NULL) {
+ /* IPvFuture */
+ const int charsToWrite = (int)(uri->hostData.ipFuture.afterLast
+ - uri->hostData.ipFuture.first);
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("["),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->hostData.ipFuture.first, charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("]"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1 + charsToWrite + 1;
+ }
+ } else if (uri->hostText.first != NULL) {
+ /* Regname */
+ const int charsToWrite = (int)(uri->hostText.afterLast - uri->hostText.first);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->hostText.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += charsToWrite;
+ }
+ }
+
+ /* Port */
+ if (uri->portText.first != NULL) {
+ const int charsToWrite = (int)(uri->portText.afterLast - uri->portText.first);
+ if (dest != NULL) {
+ /* Leading ':' */
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT(":"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+
+ /* Port number */
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->portText.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1 + charsToWrite;
+ }
+ }
+ /* [09/19] endif; */
+ }
+ /* [10/19] append path to result; */
+ /* Slash needed here? */
+ if (uri->absolutePath || ((uri->pathHead != NULL)
+ && URI_FUNC(IsHostSet)(uri))) {
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("/"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ }
+
+ if (uri->pathHead != NULL) {
+ URI_TYPE(PathSegment) * walker = uri->pathHead;
+ do {
+ const int charsToWrite = (int)(walker->text.afterLast - walker->text.first);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, walker->text.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += charsToWrite;
+ }
+
+ /* Not last segment -> append slash */
+ if (walker->next != NULL) {
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("/"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ }
+
+ walker = walker->next;
+ } while (walker != NULL);
+ }
+ /* [11/19] if defined(query) then */
+ if (uri->query.first != NULL) {
+ /* [12/19] append "?" to result; */
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("?"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ /* [13/19] append query to result; */
+ {
+ const int charsToWrite
+ = (int)(uri->query.afterLast - uri->query.first);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->query.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += charsToWrite;
+ }
+ }
+ /* [14/19] endif; */
+ }
+ /* [15/19] if defined(fragment) then */
+ if (uri->fragment.first != NULL) {
+ /* [16/19] append "#" to result; */
+ if (dest != NULL) {
+ if (written + 1 <= maxChars) {
+ memcpy(dest + written, _UT("#"),
+ 1 * sizeof(URI_CHAR));
+ written += 1;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += 1;
+ }
+ /* [17/19] append fragment to result; */
+ {
+ const int charsToWrite
+ = (int)(uri->fragment.afterLast - uri->fragment.first);
+ if (dest != NULL) {
+ if (written + charsToWrite <= maxChars) {
+ memcpy(dest + written, uri->fragment.first,
+ charsToWrite * sizeof(URI_CHAR));
+ written += charsToWrite;
+ } else {
+ dest[0] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = 0;
+ }
+ return URI_ERROR_TOSTRING_TOO_LONG;
+ }
+ } else {
+ (*charsRequired) += charsToWrite;
+ }
+ }
+ /* [18/19] endif; */
+ }
+ /* [19/19] return result; */
+ if (dest != NULL) {
+ dest[written++] = _UT('\0');
+ if (charsWritten != NULL) {
+ *charsWritten = written;
+ }
+ }
+ return URI_SUCCESS;
+}
+
+
+
+#endif
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