Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/3rdparty/masm/wtf/ASCIICType.h |
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1 | /* | - |
2 | * Copyright (C) 2007, 2008, 2009, 2011 Apple Inc. All rights reserved. | - |
3 | * | - |
4 | * Redistribution and use in source and binary forms, with or without | - |
5 | * modification, are permitted provided that the following conditions | - |
6 | * are met: | - |
7 | * | - |
8 | * 1. Redistributions of source code must retain the above copyright | - |
9 | * notice, this list of conditions and the following disclaimer. | - |
10 | * 2. Redistributions in binary form must reproduce the above copyright | - |
11 | * notice, this list of conditions and the following disclaimer in the | - |
12 | * documentation and/or other materials provided with the distribution. | - |
13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | - |
14 | * its contributors may be used to endorse or promote products derived | - |
15 | * from this software without specific prior written permission. | - |
16 | * | - |
17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | - |
18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | - |
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | - |
20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | - |
21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | - |
22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | - |
23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | - |
24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | - |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | - |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | - |
27 | */ | - |
28 | - | |
29 | #ifndef WTF_ASCIICType_h | - |
30 | #define WTF_ASCIICType_h | - |
31 | - | |
32 | #include <wtf/Assertions.h> | - |
33 | - | |
34 | // The behavior of many of the functions in the <ctype.h> header is dependent | - |
35 | // on the current locale. But in the WebKit project, all uses of those functions | - |
36 | // are in code processing something that's not locale-specific. These equivalents | - |
37 | // for some of the <ctype.h> functions are named more explicitly, not dependent | - |
38 | // on the C library locale, and we should also optimize them as needed. | - |
39 | - | |
40 | // All functions return false or leave the character unchanged if passed a character | - |
41 | // that is outside the range 0-7F. So they can be used on Unicode strings or | - |
42 | // characters if the intent is to do processing only if the character is ASCII. | - |
43 | - | |
44 | namespace WTF { | - |
45 | - | |
46 | template<typename CharType> inline bool isASCII(CharType c) | - |
47 | { | - |
48 | return !(c & ~0x7F); executed 417 times by 3 tests: return !(c & ~0x7F); Executed by:
| 417 |
49 | } | - |
50 | - | |
51 | template<typename CharType> inline bool isASCIIAlpha(CharType c) | - |
52 | { | - |
53 | return (c | 0x20) >= 'a' && (c | 0x20) <= 'z'; executed 1238 times by 3 tests: return (c | 0x20) >= 'a' && (c | 0x20) <= 'z'; Executed by:
| 1238 |
54 | } | - |
55 | - | |
56 | template<typename CharType> inline bool isASCIIDigit(CharType c) | - |
57 | { | - |
58 | return c >= '0' && c <= '9'; executed 9690 times by 3 tests: return c >= '0' && c <= '9'; Executed by:
| 9690 |
59 | } | - |
60 | - | |
61 | template<typename CharType> inline bool isASCIIAlphanumeric(CharType c) | - |
62 | { | - |
63 | return isASCIIDigit(c) || isASCIIAlpha(c); executed 4 times by 1 test: return isASCIIDigit(c) || isASCIIAlpha(c); Executed by:
| 4 |
64 | } | - |
65 | - | |
66 | template<typename CharType> inline bool isASCIIHexDigit(CharType c) | - |
67 | { | - |
68 | return isASCIIDigit(c) || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f'); executed 7372 times by 1 test: return isASCIIDigit(c) || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f'); Executed by:
| 7372 |
69 | } | - |
70 | - | |
71 | template<typename CharType> inline bool isASCIILower(CharType c) | - |
72 | { | - |
73 | return c >= 'a' && c <= 'z'; executed 24 times by 2 tests: return c >= 'a' && c <= 'z'; Executed by:
| 24 |
74 | } | - |
75 | - | |
76 | template<typename CharType> inline bool isASCIIOctalDigit(CharType c) | - |
77 | { | - |
78 | return (c >= '0') & (c <= '7'); executed 88 times by 1 test: return (c >= '0') & (c <= '7'); Executed by:
| 88 |
79 | } | - |
80 | - | |
81 | template<typename CharType> inline bool isASCIIPrintable(CharType c) | - |
82 | { | - |
83 | return c >= ' ' && c <= '~'; never executed: return c >= ' ' && c <= '~'; | 0 |
84 | } | - |
85 | - | |
86 | /* | - |
87 | Statistics from a run of Apple's page load test for callers of isASCIISpace: | - |
88 | - | |
89 | character count | - |
90 | --------- ----- | - |
91 | non-spaces 689383 | - |
92 | 20 space 294720 | - |
93 | 0A \n 89059 | - |
94 | 09 \t 28320 | - |
95 | 0D \r 0 | - |
96 | 0C \f 0 | - |
97 | 0B \v 0 | - |
98 | */ | - |
99 | template<typename CharType> inline bool isASCIISpace(CharType c) | - |
100 | { | - |
101 | return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9)); never executed: return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9)); | 0 |
102 | } | - |
103 | - | |
104 | template<typename CharType> inline bool isASCIIUpper(CharType c) | - |
105 | { | - |
106 | return c >= 'A' && c <= 'Z'; executed 20 times by 2 tests: return c >= 'A' && c <= 'Z'; Executed by:
| 20 |
107 | } | - |
108 | - | |
109 | template<typename CharType> inline CharType toASCIILower(CharType c) | - |
110 | { | - |
111 | return c | ((c >= 'A' && c <= 'Z') << 5); executed 4 times by 1 test: return c | ((c >= 'A' && c <= 'Z') << 5); Executed by:
| 4 |
112 | } | - |
113 | - | |
114 | template<typename CharType> inline CharType toASCIILowerUnchecked(CharType character) | - |
115 | { | - |
116 | // This function can be used for comparing any input character | - |
117 | // to a lowercase English character. The isASCIIAlphaCaselessEqual | - |
118 | // below should be used for regular comparison of ASCII alpha | - |
119 | // characters, but switch statements in CSS tokenizer require | - |
120 | // direct use of this function. | - |
121 | return character | 0x20; never executed: return character | 0x20; | 0 |
122 | } | - |
123 | - | |
124 | template<typename CharType> inline CharType toASCIIUpper(CharType c) | - |
125 | { | - |
126 | return c & ~((c >= 'a' && c <= 'z') << 5); executed 4 times by 1 test: return c & ~((c >= 'a' && c <= 'z') << 5); Executed by:
| 4 |
127 | } | - |
128 | - | |
129 | template<typename CharType> inline int toASCIIHexValue(CharType c) | - |
130 | { | - |
131 | ASSERT(isASCIIHexDigit(c)); | - |
132 | return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF; executed 3687 times by 1 test: return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF; Executed by:
| 3687 |
133 | } | - |
134 | - | |
135 | template<typename CharType> inline int toASCIIHexValue(CharType upperValue, CharType lowerValue) | - |
136 | { | - |
137 | ASSERT(isASCIIHexDigit(upperValue) && isASCIIHexDigit(lowerValue)); | - |
138 | return ((toASCIIHexValue(upperValue) << 4) & 0xF0) | toASCIIHexValue(lowerValue); never executed: return ((toASCIIHexValue(upperValue) << 4) & 0xF0) | toASCIIHexValue(lowerValue); | 0 |
139 | } | - |
140 | - | |
141 | inline char lowerNibbleToASCIIHexDigit(char c) | - |
142 | { | - |
143 | char nibble = c & 0xF; | - |
144 | return nibble < 10 ? '0' + nibble : 'A' + nibble - 10; never executed: return nibble < 10 ? '0' + nibble : 'A' + nibble - 10; | 0 |
145 | } | - |
146 | - | |
147 | inline char upperNibbleToASCIIHexDigit(char c) | - |
148 | { | - |
149 | char nibble = (c >> 4) & 0xF; | - |
150 | return nibble < 10 ? '0' + nibble : 'A' + nibble - 10; never executed: return nibble < 10 ? '0' + nibble : 'A' + nibble - 10; | 0 |
151 | } | - |
152 | - | |
153 | template<typename CharType> inline bool isASCIIAlphaCaselessEqual(CharType cssCharacter, char character) | - |
154 | { | - |
155 | // This function compares a (preferrably) constant ASCII | - |
156 | // lowercase letter to any input character. | - |
157 | ASSERT(character >= 'a' && character <= 'z'); | - |
158 | return LIKELY(toASCIILowerUnchecked(cssCharacter) == character); never executed: return __builtin_expect((toASCIILowerUnchecked(cssCharacter) == character), 1); | 0 |
159 | } | - |
160 | - | |
161 | } | - |
162 | - | |
163 | using WTF::isASCII; | - |
164 | using WTF::isASCIIAlpha; | - |
165 | using WTF::isASCIIAlphanumeric; | - |
166 | using WTF::isASCIIDigit; | - |
167 | using WTF::isASCIIHexDigit; | - |
168 | using WTF::isASCIILower; | - |
169 | using WTF::isASCIIOctalDigit; | - |
170 | using WTF::isASCIIPrintable; | - |
171 | using WTF::isASCIISpace; | - |
172 | using WTF::isASCIIUpper; | - |
173 | using WTF::toASCIIHexValue; | - |
174 | using WTF::toASCIILower; | - |
175 | using WTF::toASCIILowerUnchecked; | - |
176 | using WTF::toASCIIUpper; | - |
177 | using WTF::lowerNibbleToASCIIHexDigit; | - |
178 | using WTF::upperNibbleToASCIIHexDigit; | - |
179 | using WTF::isASCIIAlphaCaselessEqual; | - |
180 | - | |
181 | #endif | - |
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