cdsa/cdsa_utilities/url.cpp

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 //
  20 // url - URL object with decomposition
  21 //
  22 #include "url.h"
  23 #include <CoreFoundation/CFURL.h>
  24 #include <CoreFoundation/CFString.h>
  25 #include <errno.h>
  26
  27
  28 namespace Security {
  29 namespace Network {
  30
  31
  32 //
  33 // Turn a CFStringRef into an STL string and release the incoming CFStringRef
  34 //
  35 static string mkstr(CFStringRef str)
  36 {
  37     if (!str)
  38         return "";
  39     char buffer[2048];
  40     if (CFStringGetCString(str, buffer, sizeof(buffer), kCFStringEncodingUTF8))
  41         return buffer;
  42     else
  43         UnixError::throwMe(EINVAL);
  44 }
  45
  46
  47 //
  48 // Construction
  49 //
  50 URL::URL()
  51 {
  52     ref = NULL;
  53 }
  54
  55 URL::URL(const char *s)
  56 {
  57     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)s, strlen(s), kCFStringEncodingUTF8, NULL);
  58     if (!ref)
  59         UnixError::throwMe(EINVAL);
  60 }
  61
  62 URL::URL(const char *s, const URL &base)
  63 {
  64     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)s, strlen(s), kCFStringEncodingUTF8, base.ref);
  65     if (!ref)
  66         UnixError::throwMe(EINVAL);
  67 }
  68
  69 URL::~URL()
  70 {
  71     if (ref)
  72         CFRelease(ref);
  73 }
  74
  75
  76 //
  77 // Extraction: These methods produce UTF8 strings
  78 //
  79 URL::operator string() const
  80 {
  81     return mkstr(CFURLGetString(ref));
  82 }
  83
  84 string URL::scheme() const
  85 {
  86     return mkstr(CFURLCopyScheme(ref));
  87 }
  88
  89 string URL::host() const
  90 {
  91     return mkstr(CFURLCopyHostName(ref));
  92 }
  93
  94 IPPort URL::port(IPPort defaultPort) const
  95 {
  96     SInt32 port = CFURLGetPortNumber(ref);
  97     return (port == -1) ? defaultPort : port;
  98 }
  99
 100 string URL::username() const
 101 {
 102     return mkstr(CFURLCopyUserName(ref));
 103 }
 104
 105 string URL::password() const
 106 {
 107     return mkstr(CFURLCopyPassword(ref));
 108 }
 109
 110 string URL::path() const
 111 {
 112     Boolean isAbsolute;
 113     return "/" + mkstr(CFURLCopyStrictPath(ref, &isAbsolute));
 114 }
 115
 116 string URL::resourceSpec() const
 117 {
 118     return mkstr(CFURLCopyResourceSpecifier(ref));
 119 }
 120
 121 string URL::fullPath() const
 122 {
 123     return path() + resourceSpec();
 124 }
 125
 126 string URL::basename() const
 127 {
 128     return mkstr(CFURLCopyLastPathComponent(ref));
 129 }
 130
 131 string URL::extension() const
 132 {
 133     return mkstr(CFURLCopyPathExtension(ref));
 134 }
 135
 136 void URL::recreateURL(const char* url)
 137 {
 138     if(ref)
 139         CFRelease(ref);
 140     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)url, strlen(url), kCFStringEncodingUTF8, NULL);
 141 }
 142
 143 }       // end namespace Network
 144 }       // end namespace Security