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Diffstat (limited to 'src/UriCompare.c')
| -rw-r--r-- | src/UriCompare.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/UriCompare.c b/src/UriCompare.c new file mode 100644 index 0000000..81c53ca --- /dev/null +++ b/src/UriCompare.c @@ -0,0 +1,195 @@ +/* + * 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 "UriCompare.c" +# undef URI_PASS_ANSI +# endif +# ifdef URI_ENABLE_UNICODE +# define URI_PASS_UNICODE 1 +# include "UriCompare.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 <uriparser/UriIp4.h> +# include "UriCommon.h" +#endif + + + +static int URI_FUNC(CompareRange)(const URI_TYPE(TextRange) * a, + const URI_TYPE(TextRange) * b); + + + +/* Compares two text ranges for equal text content */ +static URI_INLINE int URI_FUNC(CompareRange)(const URI_TYPE(TextRange) * a, + const URI_TYPE(TextRange) * b) { + int diff; + + /* NOTE: Both NULL means equal! */ + if ((a == NULL) || (b == NULL)) { + return ((a == NULL) && (b == NULL)) ? URI_TRUE : URI_FALSE; + } + + diff = ((int)(a->afterLast - a->first) - (int)(b->afterLast - b->first)); + if (diff > 0) { + return 1; + } else if (diff < 0) { + return -1; + } + + return URI_STRNCMP(a->first, b->first, (a->afterLast - a->first)); +} + + + +UriBool URI_FUNC(EqualsUri)(const URI_TYPE(Uri) * a, + const URI_TYPE(Uri) * b) { + /* NOTE: Both NULL means equal! */ + if ((a == NULL) || (b == NULL)) { + return ((a == NULL) && (b == NULL)) ? URI_TRUE : URI_FALSE; + } + + /* scheme */ + if (URI_FUNC(CompareRange)(&(a->scheme), &(b->scheme))) { + return URI_FALSE; + } + + /* absolutePath */ + if ((a->scheme.first == NULL)&& (a->absolutePath != b->absolutePath)) { + return URI_FALSE; + } + + /* userInfo */ + if (URI_FUNC(CompareRange)(&(a->userInfo), &(b->userInfo))) { + return URI_FALSE; + } + + /* Host */ + if (((a->hostData.ip4 == NULL) != (b->hostData.ip4 == NULL)) + || ((a->hostData.ip6 == NULL) != (b->hostData.ip6 == NULL)) + || ((a->hostData.ipFuture.first == NULL) + != (b->hostData.ipFuture.first == NULL))) { + return URI_FALSE; + } + + if (a->hostData.ip4 != NULL) { + if (memcmp(a->hostData.ip4->data, b->hostData.ip4->data, 4)) { + return URI_FALSE; + } + } + + if (a->hostData.ip6 != NULL) { + if (memcmp(a->hostData.ip6->data, b->hostData.ip6->data, 16)) { + return URI_FALSE; + } + } + + if (a->hostData.ipFuture.first != NULL) { + if (URI_FUNC(CompareRange)(&(a->hostData.ipFuture), &(b->hostData.ipFuture))) { + return URI_FALSE; + } + } + + if ((a->hostData.ip4 == NULL) + && (a->hostData.ip6 == NULL) + && (a->hostData.ipFuture.first == NULL)) { + if (URI_FUNC(CompareRange)(&(a->hostText), &(b->hostText))) { + return URI_FALSE; + } + } + + /* portText */ + if (URI_FUNC(CompareRange)(&(a->portText), &(b->portText))) { + return URI_FALSE; + } + + /* Path */ + if ((a->pathHead == NULL) != (b->pathHead == NULL)) { + return URI_FALSE; + } + + if (a->pathHead != NULL) { + URI_TYPE(PathSegment) * walkA = a->pathHead; + URI_TYPE(PathSegment) * walkB = b->pathHead; + do { + if (URI_FUNC(CompareRange)(&(walkA->text), &(walkB->text))) { + return URI_FALSE; + } + if ((walkA->next == NULL) != (walkB->next == NULL)) { + return URI_FALSE; + } + walkA = walkA->next; + walkB = walkB->next; + } while (walkA != NULL); + } + + /* query */ + if (URI_FUNC(CompareRange)(&(a->query), &(b->query))) { + return URI_FALSE; + } + + /* fragment */ + if (URI_FUNC(CompareRange)(&(a->fragment), &(b->fragment))) { + return URI_FALSE; + } + + return URI_TRUE; /* Equal*/ +} + + + +#endif |