| 1 | /*
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| 2 | * Copyright (c) 2013 Martin Sucha
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup uri
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | */
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| 35 |
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| 36 | #ifndef URI_CTYPE_H_
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| 37 | #define URI_CTYPE_H_
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| 38 |
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| 39 | static inline bool is_unreserved(char c)
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| 40 | {
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| 41 | return isalpha(c) || isdigit(c) ||
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| 42 | c == '-' || c == '.' || c == '_' || c == '~';
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| 43 | }
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| 44 |
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| 45 | static inline bool is_hexdig(char c)
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| 46 | {
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| 47 | return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') ||
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| 48 | (c >= 'A' && c <= 'F');
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| 49 | }
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| 50 |
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| 51 | static inline bool is_subdelim(char c)
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| 52 | {
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| 53 | switch (c) {
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| 54 | case '!':
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| 55 | case '$':
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| 56 | case '&':
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| 57 | case '\'':
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| 58 | case '(':
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| 59 | case ')':
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| 60 | case '*':
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| 61 | case '+':
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| 62 | case ',':
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| 63 | case ';':
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| 64 | case '=':
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| 65 | return true;
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| 66 | default:
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| 67 | return false;
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | static inline bool is_gendelim(char c)
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| 72 | {
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| 73 | switch (c) {
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| 74 | case ':':
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| 75 | case '/':
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| 76 | case '?':
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| 77 | case '#':
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| 78 | case '[':
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| 79 | case ']':
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| 80 | case '@':
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| 81 | return true;
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| 82 | default:
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| 83 | return false;
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | static inline bool is_reserved(char c)
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| 88 | {
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| 89 | return is_gendelim(c) || is_subdelim(c);
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| 90 | }
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| 91 |
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| 92 | #endif
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| 93 |
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| 94 | /** @}
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| 95 | */
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