116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
#ifndef URL_INCLUDED
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#define URL_INCLUDED
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// This is free and unencumbered software released into the public domain.
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//
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// Anyone is free to copy, modify, publish, use, compile, sell, or
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// distribute this software, either in source code form or as a compiled
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// binary, for any purpose, commercial or non-commercial, and by any
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// means.
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//
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// In jurisdictions that recognize copyright laws, the author or authors
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// of this software dedicate any and all copyright interest in the
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// software to the public domain. We make this dedication for the benefit
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// of the public at large and to the detriment of our heirs and
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// successors. We intend this dedication to be an overt act of
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// relinquishment in perpetuity of all present and future rights to this
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// software under copyright law.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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// For more information, please refer to <https://unlicense.org>
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#define URL_STATIC_ASSERT _Static_assert
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typedef unsigned char URL_u8;
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typedef unsigned short URL_u16;
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typedef unsigned int URL_u32;
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typedef unsigned int URL_b32;
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URL_STATIC_ASSERT(sizeof(URL_u8) == 1, "");
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URL_STATIC_ASSERT(sizeof(URL_u16) == 2, "");
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URL_STATIC_ASSERT(sizeof(URL_u32) == 4, "");
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URL_STATIC_ASSERT(sizeof(URL_b32) == 4, "");
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typedef struct {
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char *ptr;
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int len;
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} URL_String;
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typedef enum {
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URL_HOST_EMPTY,
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URL_HOST_IPV4,
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URL_HOST_IPV6,
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URL_HOST_NAME,
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} URL_HostType;
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typedef struct {
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URL_u32 data;
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} URL_IPv4;
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typedef struct {
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URL_u16 data[8];
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} URL_IPv6;
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URL_STATIC_ASSERT(sizeof(URL_IPv4) == 4, "");
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URL_STATIC_ASSERT(sizeof(URL_IPv6) == 16, "");
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typedef struct {
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URL_b32 no_authority;
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URL_b32 no_userinfo;
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// May be empty
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URL_String scheme;
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// Both may be empty
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URL_String username;
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URL_String password;
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// The raw host string is stored in host_text.
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// If the host is an IPv4 or IPv6, its parsed
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// value is also stored in host_ipv4 or host_ipv6
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// (host byte order).
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// Note that the host may be empty, in which
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// case host_type=URL_HOST_EMPTY.
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URL_HostType host_type;
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URL_String host_text;
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union {
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URL_IPv4 host_ipv4;
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URL_IPv6 host_ipv6;
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};
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// If no port was specified, no_port is set
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// to 1 and port to 0.
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URL_b32 no_port;
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URL_u16 port;
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URL_String path;
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// May be empty
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URL_String query;
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// May be empty
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URL_String fragment;
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} URL;
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int url_parse_ipv4(char *src, int len, int *pcur, URL_IPv4 *out);
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int url_parse_ipv6(char *src, int len, int *pcur, URL_IPv6 *out);
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int url_parse(char *src, int len, int *pcur, URL_b32 strict, URL *out);
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int url_resolve_reference(char *src, int len, int *pcur,
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URL *base, URL_b32 strict, char *dst, int cap);
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int url_remove_white_space(char *src, int len, char *dst, int cap);
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int url_decode_field(URL_String field, char *dst, int cap);
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#endif // URL_INCLUDED
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