Mercurial > hgrepos > Python2 > PyMuPDF
annotate mupdf-source/thirdparty/curl/docs/libcurl/libcurl-url.3 @ 40:aa33339d6b8a upstream
ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Sat, 11 Oct 2025 11:31:38 +0200 |
| parents | b50eed0cc0ef |
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| rev | line source |
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1 .\" ************************************************************************** |
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2 .\" * _ _ ____ _ |
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3 .\" * Project ___| | | | _ \| | |
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4 .\" * / __| | | | |_) | | |
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5 .\" * | (__| |_| | _ <| |___ |
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6 .\" * \___|\___/|_| \_\_____| |
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7 .\" * |
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8 .\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. |
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9 .\" * |
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10 .\" * This software is licensed as described in the file COPYING, which |
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11 .\" * you should have received as part of this distribution. The terms |
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html. |
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13 .\" * |
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
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15 .\" * copies of the Software, and permit persons to whom the Software is |
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16 .\" * furnished to do so, under the terms of the COPYING file. |
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17 .\" * |
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
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19 .\" * KIND, either express or implied. |
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20 .\" * |
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21 .\" ************************************************************************** |
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22 .TH libcurl 3 "10 Sep 2018" "libcurl" "libcurl url interface" |
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23 .SH NAME |
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24 libcurl-url \- URL interface overview |
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25 .SH DESCRIPTION |
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26 The URL interface provides a set of functions for parsing and generating URLs. |
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27 .SH INCLUDE |
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28 You still only include <curl/curl.h> in your code. Note that the URL API was |
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29 introduced in 7.62.0. |
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30 .SH CREATE |
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31 Create a handle that holds URL info and resources with \fIcurl_url(3)\fP: |
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32 |
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33 CURLU *h = curl_url(); |
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34 .SH CLEANUP |
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35 When done with it, clean it up with \fIcurl_url_cleanup(3)\fP: |
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36 |
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37 curl_url_cleanup(h); |
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38 .SH DUPLICATE |
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39 When you need a copy of a handle, just duplicate it with \fIcurl_url_dup(3)\fP: |
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40 |
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41 CURLU *nh = curl_url_dup(h); |
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42 .SH PARSING |
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43 By "setting" a URL to the handle with \fIcurl_url_set(3)\fP, the URL is parsed |
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44 and stored in the handle. If the URL is not syntactically correct it will |
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45 return an error instead. |
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46 |
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47 .nf |
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48 rc = curl_url_set(h, CURLUPART_URL, |
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49 "https://example.com:449/foo/bar?name=moo", 0); |
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50 .fi |
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51 |
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52 The zero in the fourth argument is a bitmask for changing specific features. |
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53 |
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54 If successful, this stores the URL in its individual parts within the handle. |
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55 .SH REDIRECT |
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56 When a handle already contains info about a URL, setting a relative URL will |
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57 make it "redirect" to adapt to it. |
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58 |
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59 rc = curl_url_set(h, CURLUPART_URL, "../test?another", 0); |
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60 .SH "GET URL" |
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61 The `CURLU` handle represents a URL and you can easily extract that with |
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62 \fIcurl_url_get(3)\fP: |
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63 |
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64 char *url; |
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65 rc = curl_url_get(h, CURLUPART_URL, &url, 0); |
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66 curl_free(url); |
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67 |
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68 The zero in the fourth argument is a bitmask for changing specific features. |
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69 .SH "GET PARTS" |
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70 When a URL has been parsed or parts have been set, you can extract those |
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71 pieces from the handle at any time. |
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72 |
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73 .nf |
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74 rc = curl_url_get(h, CURLUPART_HOST, &host, 0); |
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75 rc = curl_url_get(h, CURLUPART_SCHEME, &scheme, 0); |
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76 rc = curl_url_get(h, CURLUPART_USER, &user, 0); |
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77 rc = curl_url_get(h, CURLUPART_PASSWORD, &password, 0); |
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78 rc = curl_url_get(h, CURLUPART_PORT, &port, 0); |
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79 rc = curl_url_get(h, CURLUPART_PATH, &path, 0); |
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80 rc = curl_url_get(h, CURLUPART_QUERY, &query, 0); |
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81 rc = curl_url_get(h, CURLUPART_FRAGMENT, &fragment, 0); |
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82 .fi |
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83 |
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84 Extracted parts are not URL decoded unless the user also asks for it with the |
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85 CURLU_URLDECODE flag set in the fourth bitmask argument. |
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86 |
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87 Remember to free the returned string with \fIcurl_free(3)\fP when you're done |
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88 with it! |
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89 .SH "SET PARTS" |
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90 A user set individual URL parts, either after having parsed a full URL or |
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91 instead of parsing such. |
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92 |
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93 .nf |
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94 rc = curl_url_set(urlp, CURLUPART_HOST, "www.example.com", 0); |
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95 rc = curl_url_set(urlp, CURLUPART_SCHEME, "https", 0); |
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96 rc = curl_url_set(urlp, CURLUPART_USER, "john", 0); |
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97 rc = curl_url_set(urlp, CURLUPART_PASSWORD, "doe", 0); |
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98 rc = curl_url_set(urlp, CURLUPART_PORT, "443", 0); |
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99 rc = curl_url_set(urlp, CURLUPART_PATH, "/index.html", 0); |
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100 rc = curl_url_set(urlp, CURLUPART_QUERY, "name=john", 0); |
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101 rc = curl_url_set(urlp, CURLUPART_FRAGMENT, "anchor", 0); |
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102 .fi |
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103 |
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104 Set parts are not URL encoded unless the user asks for it with the |
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105 `CURLU_URLENCODE` flag. |
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106 .SH "APPENDQUERY" |
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107 An application can append a string to the right end of the query part with the |
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108 `CURLU_APPENDQUERY` flag to \fIcurl_url_set(3)\fP. |
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109 |
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110 Imagine a handle that holds the URL `https://example.com/?shoes=2`. An |
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111 application can then add the string `hat=1` to the query part like this: |
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112 |
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113 .nf |
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114 rc = curl_url_set(urlp, CURLUPART_QUERY, "hat=1", CURLU_APPENDQUERY); |
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115 .fi |
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116 |
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117 It will even notice the lack of an ampersand (`&`) separator so it will inject |
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118 one too, and the handle's full URL will then equal |
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119 `https://example.com/?shoes=2&hat=1`. |
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120 |
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121 The appended string can of course also get URL encoded on add, and if asked to |
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122 URL encode, the encoding process will skip the '=' character. For example, |
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123 append `candy=N&N` to what we already have, and URL encode it to deal with the |
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124 ampersand in the data: |
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125 |
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126 .nf |
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127 rc = curl_url_set(urlp, CURLUPART_QUERY, "candy=N&N", |
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128 CURLU_APPENDQUERY | CURLU_URLENCODE); |
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129 .fi |
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130 |
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131 Now the URL looks like |
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132 .nf |
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133 https://example.com/?shoes=2&hat=1&candy=N%26N` |
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134 .fi |
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135 .SH "SEE ALSO" |
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136 .BR curl_url "(3), " curl_url_cleanup "(3), " curl_url_get "(3), " |
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137 .BR curl_url_dup "(3), " curl_url_set "(3), " CURLOPT_URL "(3), " |
