56 4 is Java whitespace
57 2 bits 0 this character has no numeric property
58 1 adding the digit offset to the character code and then
59 masking with 0x1F will produce the desired numeric value
60 2 this character has a "strange" numeric value
61 3 a Java supradecimal digit: adding the digit offset to the
62 character code, then masking with 0x1F, then adding 10
63 will produce the desired numeric value
64 5 bits digit offset
65 5 bits character type
66
67 The encoding of character properties is subject to change at any time.
68 */
69
70 int getProperties(int ch) {
71 char offset = (char)ch;
72 int props = $$Lookup(offset);
73 return props;
74 }
75
76 int getType(int ch) {
77 int props = getProperties(ch);
78 return (props & $$maskType);
79 }
80
81 boolean isJavaIdentifierStart(int ch) {
82 int props = getProperties(ch);
83 return ((props & $$maskIdentifierInfo) >= $$lowJavaStart);
84 }
85
86 boolean isJavaIdentifierPart(int ch) {
87 int props = getProperties(ch);
88 return ((props & $$nonzeroJavaPart) != 0);
89 }
90
91 boolean isUnicodeIdentifierStart(int ch) {
92 int props = getProperties(ch);
93 return ((props & $$maskIdentifierInfo) == $$valueUnicodeStart);
94 }
95
96 boolean isUnicodeIdentifierPart(int ch) {
97 int props = getProperties(ch);
98 return ((props & $$maskUnicodePart) != 0);
99 }
100
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56 4 is Java whitespace
57 2 bits 0 this character has no numeric property
58 1 adding the digit offset to the character code and then
59 masking with 0x1F will produce the desired numeric value
60 2 this character has a "strange" numeric value
61 3 a Java supradecimal digit: adding the digit offset to the
62 character code, then masking with 0x1F, then adding 10
63 will produce the desired numeric value
64 5 bits digit offset
65 5 bits character type
66
67 The encoding of character properties is subject to change at any time.
68 */
69
70 int getProperties(int ch) {
71 char offset = (char)ch;
72 int props = $$Lookup(offset);
73 return props;
74 }
75
76 int getPropertiesEx(int ch) {
77 char offset = (char)ch;
78 int props = $$LookupEx(offset);
79 return props;
80 }
81
82 int getType(int ch) {
83 int props = getProperties(ch);
84 return (props & $$maskType);
85 }
86
87 boolean isOtherLowercase(int ch) {
88 int props = getPropertiesEx(ch);
89 return (props & $$maskOtherLowercase) != 0;
90 }
91
92 boolean isOtherUppercase(int ch) {
93 int props = getPropertiesEx(ch);
94 return (props & $$maskOtherUppercase) != 0;
95 }
96
97 boolean isOtherAlphabetic(int ch) {
98 int props = getPropertiesEx(ch);
99 return (props & $$maskOtherAlphabetic) != 0;
100 }
101
102 boolean isIdeographic(int ch) {
103 int props = getPropertiesEx(ch);
104 return (props & $$maskIdeographic) != 0;
105 }
106
107 boolean isJavaIdentifierStart(int ch) {
108 int props = getProperties(ch);
109 return ((props & $$maskIdentifierInfo) >= $$lowJavaStart);
110 }
111
112 boolean isJavaIdentifierPart(int ch) {
113 int props = getProperties(ch);
114 return ((props & $$nonzeroJavaPart) != 0);
115 }
116
117 boolean isUnicodeIdentifierStart(int ch) {
118 int props = getProperties(ch);
119 return ((props & $$maskIdentifierInfo) == $$valueUnicodeStart);
120 }
121
122 boolean isUnicodeIdentifierPart(int ch) {
123 int props = getProperties(ch);
124 return ((props & $$maskUnicodePart) != 0);
125 }
126
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