1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
URI manipulation routines.
Copyright (C) 1999-2008, Joe Orton <joe@manyfish.co.uk>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA
*/
#ifndef NE_URI_H
#define NE_URI_H
#include "ne_defs.h"
NE_BEGIN_DECLS
/* Return a copy of a path string with anything other than
* "unreserved" and the forward-slash character percent-encoded
* according to the URI encoding rules. Returns a malloc-allocated
* string and never NULL. */
char *ne_path_escape(const char *path);
/* Return a decoded copy of a percent-encoded path string. Returns
* malloc-allocated path on success, or NULL if the string contained
* any syntactically invalid percent-encoding sequences. */
char *ne_path_unescape(const char *epath);
/* Returns malloc-allocated parent of path, or NULL if path has no
* parent (such as "/"). */
char *ne_path_parent(const char *path);
/* Returns strcmp-like value giving comparison between p1 and p2,
* ignoring trailing-slashes. */
int ne_path_compare(const char *p1, const char *p2);
/* Returns non-zero if child is a child of parent */
int ne_path_childof(const char *parent, const char *child);
/* Returns non-zero if path has a trailing slash character */
int ne_path_has_trailing_slash(const char *path);
/* Return the default port for the given scheme, or 0 if none is
* known. */
unsigned int ne_uri_defaultport(const char *scheme);
typedef struct {
char *scheme;
char *host, *userinfo;
unsigned int port;
char *path, *query, *fragment;
} ne_uri;
/* Parse a URI-reference 'uri' and place parsed components in *parsed.
* Returns zero on success, non-zero on parse error. On successful or
* error return, all the 'char *' fields of *parsed are either set to
* NULL, or point to malloc-allocated NUL-terminated strings;
* ne_uri_free can be used to free any set fields. On success,
* parsed->path is guaranteed to be non-NULL. */
int ne_uri_parse(const char *uri, ne_uri *parsed);
/* Turns a URI structure back into a string. The returned string is
* malloc-allocated, and must be freed by the caller. */
char *ne_uri_unparse(const ne_uri *uri);
/* Resolve a relative URI 'relative', with respect to base URI 'base',
* placing the resultant URI in '*result'. At least both base->path
* and relative->path must be non-NULL. On return, all the 'char *'
* fields of *result are either set to NULL or point to
* malloc-allocated NUL-terminated strings. result->path is
* guaranteed to be non-NULL. ne_uri_free can be used to free the
* result structure after use. Returns 'result'. */
ne_uri *ne_uri_resolve(const ne_uri *base, const ne_uri *relative,
ne_uri *result);
/* Compares URIs u1 and u2, returns non-zero if they are found to be
* non-equal. The sign of the return value is <0 if 'u1' is less than
* 'u2', or >0 if 'u2' is greater than 'u1'. */
int ne_uri_cmp(const ne_uri *u1, const ne_uri *u2);
/* Copy components of URI 'src' to destination 'dest'. Returns
* 'dest'. */
ne_uri *ne_uri_copy(ne_uri *dest, const ne_uri *src);
/* Frees any non-NULL fields of parsed URI structure *parsed. All
* fields are then zero-initialized. */
void ne_uri_free(ne_uri *parsed);
NE_END_DECLS
#endif /* NE_URI_H */
|
