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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #include "nsIURI.idl" |
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7 |
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8 /** |
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9 * The nsIURL interface provides convenience methods that further |
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10 * break down the path portion of nsIURI: |
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11 * |
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12 * http://host/directory/fileBaseName.fileExtension?query |
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13 * http://host/directory/fileBaseName.fileExtension#ref |
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14 * \ \ / |
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15 * \ ----------------------- |
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16 * \ | / |
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17 * \ fileName / |
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18 * ---------------------------- |
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19 * | |
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20 * filePath |
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21 */ |
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22 [scriptable, uuid(1419aa16-f134-4154-9886-00c7c5147a13)] |
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23 interface nsIURL : nsIURI |
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24 { |
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25 /************************************************************************* |
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26 * The URL path is broken down into the following principal components: |
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27 */ |
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28 |
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29 /** |
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30 * Returns a path including the directory and file portions of a |
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31 * URL. For example, the filePath of "http://host/foo/bar.html#baz" |
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32 * is "/foo/bar.html". |
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33 * |
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34 * Some characters may be escaped. |
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35 */ |
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36 attribute AUTF8String filePath; |
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37 |
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38 /** |
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39 * Returns the query portion (the part after the "?") of the URL. |
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40 * If there isn't one, an empty string is returned. |
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41 * |
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42 * Some characters may be escaped. |
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43 */ |
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44 attribute AUTF8String query; |
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45 |
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46 |
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47 /************************************************************************* |
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48 * The URL filepath is broken down into the following sub-components: |
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49 */ |
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50 |
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51 /** |
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52 * Returns the directory portion of a URL. If the URL denotes a path to a |
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53 * directory and not a file, e.g. http://host/foo/bar/, then the Directory |
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54 * attribute accesses the complete /foo/bar/ portion, and the FileName is |
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55 * the empty string. If the trailing slash is omitted, then the Directory |
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56 * is /foo/ and the file is bar (i.e. this is a syntactic, not a semantic |
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57 * breakdown of the Path). And hence don't rely on this for something to |
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58 * be a definitely be a file. But you can get just the leading directory |
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59 * portion for sure. |
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60 * |
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61 * Some characters may be escaped. |
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62 */ |
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63 attribute AUTF8String directory; |
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64 |
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65 /** |
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66 * Returns the file name portion of a URL. If the URL denotes a path to a |
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67 * directory and not a file, e.g. http://host/foo/bar/, then the Directory |
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68 * attribute accesses the complete /foo/bar/ portion, and the FileName is |
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69 * the empty string. Note that this is purely based on searching for the |
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70 * last trailing slash. And hence don't rely on this to be a definite file. |
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71 * |
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72 * Some characters may be escaped. |
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73 */ |
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74 attribute AUTF8String fileName; |
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75 |
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76 |
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77 /************************************************************************* |
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78 * The URL filename is broken down even further: |
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79 */ |
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80 |
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81 /** |
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82 * Returns the file basename portion of a filename in a url. |
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83 * |
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84 * Some characters may be escaped. |
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85 */ |
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86 attribute AUTF8String fileBaseName; |
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87 |
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88 /** |
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89 * Returns the file extension portion of a filename in a url. If a file |
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90 * extension does not exist, the empty string is returned. |
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91 * |
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92 * Some characters may be escaped. |
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93 */ |
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94 attribute AUTF8String fileExtension; |
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95 |
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96 /** |
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97 * This method takes a uri and compares the two. The common uri portion |
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98 * is returned as a string. The minimum common uri portion is the |
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99 * protocol, and any of these if present: login, password, host and port |
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100 * If no commonality is found, "" is returned. If they are identical, the |
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101 * whole path with file/ref/etc. is returned. For file uris, it is |
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102 * expected that the common spec would be at least "file:///" since '/' is |
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103 * a shared common root. |
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104 * |
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105 * Examples: |
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106 * this.spec aURIToCompare.spec result |
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107 * 1) http://mozilla.org/ http://www.mozilla.org/ "" |
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108 * 2) http://foo.com/bar/ ftp://foo.com/bar/ "" |
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109 * 3) http://foo.com:8080/ http://foo.com/bar/ "" |
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110 * 4) ftp://user@foo.com/ ftp://user:pw@foo.com/ "" |
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111 * 5) ftp://foo.com/bar/ ftp://foo.com/bar ftp://foo.com/ |
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112 * 6) ftp://foo.com/bar/ ftp://foo.com/bar/b.html ftp://foo.com/bar/ |
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113 * 7) http://foo.com/a.htm#i http://foo.com/b.htm http://foo.com/ |
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114 * 8) ftp://foo.com/c.htm#i ftp://foo.com/c.htm ftp://foo.com/c.htm |
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115 * 9) file:///a/b/c.html file:///d/e/c.html file:/// |
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116 */ |
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117 AUTF8String getCommonBaseSpec(in nsIURI aURIToCompare); |
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118 |
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119 /** |
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120 * This method tries to create a string which specifies the location of the |
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121 * argument relative to |this|. If the argument and |this| are equal, the |
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122 * method returns "". If any of the URIs' scheme, host, userpass, or port |
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123 * don't match, the method returns the full spec of the argument. |
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124 * |
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125 * Examples: |
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126 * this.spec aURIToCompare.spec result |
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127 * 1) http://mozilla.org/ http://www.mozilla.org/ http://www.mozilla.org/ |
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128 * 2) http://mozilla.org/ http://www.mozilla.org http://www.mozilla.org/ |
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129 * 3) http://foo.com/bar/ http://foo.com:80/bar/ "" |
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130 * 4) http://foo.com/ http://foo.com/a.htm#b a.html#b |
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131 * 5) http://foo.com/a/b/ http://foo.com/c ../../c |
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132 */ |
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133 AUTF8String getRelativeSpec(in nsIURI aURIToCompare); |
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134 |
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135 }; |