mirror of
https://github.com/libretro/RetroArch.git
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87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (net_http_parse.c).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <compat/strcasestr.h>
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/**
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* string_parse_html_anchor:
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* @line : Buffer where the <a> tag is stored
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* @link : Buffer to store the link URL in
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* @name : Buffer to store the link URL in
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* @link_size : Size of the link buffer including the NUL-terminator
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* @name_size : Size of the name buffer including the NUL-terminator
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*
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* Parses an HTML anchor link stored in @line in the form of: <a href="/path/to/url">Title</a>
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* The buffer pointed to by @link is filled with the URL path the link points to,
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* and @name is filled with the title portion of the link.
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*
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* Returns: 0 if URL was parsed completely, otherwise 1.
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**/
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int string_parse_html_anchor(const char *line, char *link, char *name,
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size_t link_size, size_t name_size)
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{
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if (!line || !link || !name)
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return 1;
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memset(link, 0, link_size);
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memset(name, 0, name_size);
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line = strcasestr(line, "<a href=\"");
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if (!line)
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return 1;
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line += 9;
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if (line && *line)
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{
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if (!*link)
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{
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const char *end = strstr(line, "\"");
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if (!end)
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return 1;
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memcpy(link, line, end - line);
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*(link + (end - line)) = '\0';
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line += end - line;
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}
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if (!*name)
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{
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const char *start = strstr(line, "\">");
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const char *end = start ? strstr(start, "</a>") : NULL;
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if (!start || !end)
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return 1;
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memcpy(name, start + 2, end - start - 2);
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*(name + (end - start - 2)) = '\0';
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}
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}
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return 0;
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}
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