uri.h

   1 /**
   2  * Summary: library of generic URI related routines
   3  * Description: library of generic URI related routines
   4  *              Implements RFC 2396
   5  *
   6  * Copyright (C) 1998-2003 Daniel Veillard.  All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to deal
  10  * in the Software without restriction, including without limitation the rights
  11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12  * copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  21  * DANIEL VEILLARD BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  22  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of Daniel Veillard shall not
  26  * be used in advertising or otherwise to promote the sale, use or other
  27  * dealings in this Software without prior written authorization from him.
  28  *
  29  * Author: Daniel Veillard
  30  **
  31  * Copyright (C) 2007 Red Hat, Inc.
  32  *
  33  * This library is free software; you can redistribute it and/or
  34  * modify it under the terms of the GNU Lesser General Public
  35  * License as published by the Free Software Foundation; either
  36  * version 2.1 of the License, or (at your option) any later version.
  37  *
  38  * This library is distributed in the hope that it will be useful,
  39  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  40  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  41  * Lesser General Public License for more details.
  42  *
  43  * You should have received a copy of the GNU Lesser General Public
  44  * License along with this library; if not, write to the Free Software
  45  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
  46  *
  47  * Authors:
  48  *    Richard W.M. Jones <rjones@redhat.com>
  49  *
  50  * Utility functions to help parse and assemble query strings.
  51  */
  52
  53 #ifndef QEMU_URI_H
  54 #define QEMU_URI_H
  55
  56 #ifdef __cplusplus
  57 extern "C" {
  58 #endif
  59
  60 /**
  61  * URI:
  62  *
  63  * A parsed URI reference. This is a struct containing the various fields
  64  * as described in RFC 2396 but separated for further processing.
  65  */
  66 typedef struct URI {
  67     char *scheme;       /* the URI scheme */
  68     char *opaque;       /* opaque part */
  69     char *authority;    /* the authority part */
  70     char *server;       /* the server part */
  71     char *user;         /* the user part */
  72     int port;           /* the port number */
  73     char *path;         /* the path string */
  74     char *fragment;     /* the fragment identifier */
  75     int  cleanup;       /* parsing potentially unclean URI */
  76     char *query;        /* the query string (as it appears in the URI) */
  77 } URI;
  78
  79 URI *uri_new(void);
  80 char *uri_resolve(const char *URI, const char *base);
  81 char *uri_resolve_relative(const char *URI, const char *base);
  82 URI *uri_parse(const char *str);
  83 URI *uri_parse_raw(const char *str, int raw);
  84 int uri_parse_into(URI *uri, const char *str);
  85 char *uri_to_string(URI *uri);
  86 char *uri_string_escape(const char *str, const char *list);
  87 char *uri_string_unescape(const char *str, int len, char *target);
  88 void uri_free(URI *uri);
  89
  90 /* Single web service query parameter 'name=value'. */
  91 typedef struct QueryParam {
  92   char *name;                   /* Name (unescaped). */
  93   char *value;                  /* Value (unescaped). */
  94   int ignore;                   /* Ignore this field in qparam_get_query */
  95 } QueryParam;
  96
  97 /* Set of parameters. */
  98 typedef struct QueryParams {
  99   int n;                        /* number of parameters used */
 100   int alloc;                    /* allocated space */
 101   QueryParam *p;                /* array of parameters */
 102 } QueryParams;
 103
 104 struct QueryParams *query_params_new (int init_alloc);
 105 int query_param_append (QueryParams *ps, const char *name, const char *value);
 106 extern char *query_param_to_string (const QueryParams *ps);
 107 extern QueryParams *query_params_parse (const char *query);
 108 extern void query_params_free (QueryParams *ps);
 109
 110 #ifdef __cplusplus
 111 }
 112 #endif
 113 #endif /* QEMU_URI_H */