| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
| 3 | |
| 4 | #ifndef UTILS_H |
| 5 | #define UTILS_H |
| 6 | |
| 7 | #include <QtCore/qglobal.h> |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | inline bool is_whitespace(char s) |
| 12 | { |
| 13 | return (s == ' ' || s == '\t' || s == '\n'); |
| 14 | } |
| 15 | |
| 16 | inline bool is_space(char s) |
| 17 | { |
| 18 | return (s == ' ' || s == '\t'); |
| 19 | } |
| 20 | |
| 21 | inline bool is_ident_start(char s) |
| 22 | { |
| 23 | return ((s >= 'a' && s <= 'z') |
| 24 | || (s >= 'A' && s <= 'Z') |
| 25 | || s == '_' || s == '$' |
| 26 | ); |
| 27 | } |
| 28 | |
| 29 | inline bool is_ident_char(char s) |
| 30 | { |
| 31 | return ((s >= 'a' && s <= 'z') |
| 32 | || (s >= 'A' && s <= 'Z') |
| 33 | || (s >= '0' && s <= '9') |
| 34 | || s == '_' || s == '$' |
| 35 | ); |
| 36 | } |
| 37 | |
| 38 | inline bool is_identifier(const char *s, int len) |
| 39 | { |
| 40 | if (len < 1) |
| 41 | return false; |
| 42 | if (!is_ident_start(s: *s)) |
| 43 | return false; |
| 44 | for (int i = 1; i < len; ++i) |
| 45 | if (!is_ident_char(s: s[i])) |
| 46 | return false; |
| 47 | return true; |
| 48 | } |
| 49 | |
| 50 | inline bool is_digit_char(char s) |
| 51 | { |
| 52 | return (s >= '0' && s <= '9'); |
| 53 | } |
| 54 | |
| 55 | inline bool is_octal_char(char s) |
| 56 | { |
| 57 | return (s >= '0' && s <= '7'); |
| 58 | } |
| 59 | |
| 60 | inline bool is_hex_char(char s) |
| 61 | { |
| 62 | return ((s >= 'a' && s <= 'f') |
| 63 | || (s >= 'A' && s <= 'F') |
| 64 | || (s >= '0' && s <= '9') |
| 65 | ); |
| 66 | } |
| 67 | |
| 68 | inline const char *skipQuote(const char *data) |
| 69 | { |
| 70 | while (*data && (*data != '\"')) { |
| 71 | if (*data == '\\') { |
| 72 | ++data; |
| 73 | if (!*data) break; |
| 74 | } |
| 75 | ++data; |
| 76 | } |
| 77 | |
| 78 | if (*data) //Skip last quote |
| 79 | ++data; |
| 80 | return data; |
| 81 | } |
| 82 | |
| 83 | QT_END_NAMESPACE |
| 84 | |
| 85 | #endif // UTILS_H |
| 86 | |