Java Code Examples for android.icu.lang.UCharacter#isUnicodeIdentifierPart()
The following examples show how to use
android.icu.lang.UCharacter#isUnicodeIdentifierPart() .
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Example 1
| Source File: RBBISymbolTable.java From j2objc with Apache License 2.0 | 6 votes |
|
public String parseReference(String text, ParsePosition pos, int limit) {
int start = pos.getIndex();
int i = start;
String result = "";
while (i < limit) {
int c = UTF16.charAt(text, i);
if ((i == start && !UCharacter.isUnicodeIdentifierStart(c))
|| !UCharacter.isUnicodeIdentifierPart(c)) {
break;
}
i += UTF16.getCharCount(c);
}
if (i == start) { // No valid name chars
return result; // Indicate failure with empty string
}
pos.setIndex(i);
result = text.substring(start, i);
return result;
}
Example 2
| Source File: TransliteratorParser.java From j2objc with Apache License 2.0 | 6 votes |
|
/**
* Implement SymbolTable API. Parse out a symbol reference
* name.
*/
@Override
public String parseReference(String text, ParsePosition pos, int limit) {
int start = pos.getIndex();
int i = start;
while (i < limit) {
char c = text.charAt(i);
if ((i==start && !UCharacter.isUnicodeIdentifierStart(c)) ||
!UCharacter.isUnicodeIdentifierPart(c)) {
break;
}
++i;
}
if (i == start) { // No valid name chars
return null;
}
pos.setIndex(i);
return text.substring(start, i);
}
Example 3
| Source File: Utility.java From j2objc with Apache License 2.0 | 6 votes |
|
/**
* Parse a Unicode identifier from the given string at the given
* position. Return the identifier, or null if there is no
* identifier.
* @param str the string to parse
* @param pos INPUT-OUPUT parameter. On INPUT, pos[0] is the
* first character to examine. It must be less than str.length(),
* and it must not point to a whitespace character. That is, must
* have pos[0] < str.length(). On
* OUTPUT, the position after the last parsed character.
* @return the Unicode identifier, or null if there is no valid
* identifier at pos[0].
*/
public static String parseUnicodeIdentifier(String str, int[] pos) {
// assert(pos[0] < str.length());
StringBuilder buf = new StringBuilder();
int p = pos[0];
while (p < str.length()) {
int ch = Character.codePointAt(str, p);
if (buf.length() == 0) {
if (UCharacter.isUnicodeIdentifierStart(ch)) {
buf.appendCodePoint(ch);
} else {
return null;
}
} else {
if (UCharacter.isUnicodeIdentifierPart(ch)) {
buf.appendCodePoint(ch);
} else {
break;
}
}
p += UTF16.getCharCount(ch);
}
pos[0] = p;
return buf.toString();
}
Example 4
| Source File: UCharacterCompare.java From j2objc with Apache License 2.0 | 4 votes |
|
/**
* Main testing method
*/
public static void main(String arg[]) {
System.out.println("Starting character compare");
try {
FileWriter f;
if (arg.length == 0)
f = new FileWriter("compare.txt");
else
f = new FileWriter(arg[0]);
PrintWriter p = new PrintWriter(f);
p.print("char character name ");
p.println("method name ucharacter character");
for (char i = Character.MIN_VALUE; i < Character.MAX_VALUE; i++) {
System.out.println("character \\u" + Integer.toHexString(i));
if (UCharacter.isDefined(i) != Character.isDefined(i))
trackDifference(p, i, "isDefined()", "" + UCharacter.isDefined(i), "" + Character.isDefined(i));
else {
if (UCharacter.digit(i, 10) != Character.digit(i, 10))
trackDifference(p, i, "digit()", "" + UCharacter.digit(i, 10), "" + Character.digit(i, 10));
if (UCharacter.getNumericValue(i) != Character.getNumericValue(i))
trackDifference(p, i, "getNumericValue()", "" + UCharacter.getNumericValue(i), ""
+ Character.getNumericValue(i));
if (!compareType(UCharacter.getType(i), Character.getType(i)))
trackDifference(p, i, "getType()", "" + UCharacter.getType(i), "" + Character.getType(i));
if (UCharacter.isDigit(i) != Character.isDigit(i))
trackDifference(p, i, "isDigit()", "" + UCharacter.isDigit(i), "" + Character.isDigit(i));
if (UCharacter.isISOControl(i) != Character.isISOControl(i))
trackDifference(p, i, "isISOControl()", "" + UCharacter.isISOControl(i), ""
+ Character.isISOControl(i));
if (UCharacter.isLetter(i) != Character.isLetter(i))
trackDifference(p, i, "isLetter()", "" + UCharacter.isLetter(i), "" + Character.isLetter(i));
if (UCharacter.isLetterOrDigit(i) != Character.isLetterOrDigit(i))
trackDifference(p, i, "isLetterOrDigit()", "" + UCharacter.isLetterOrDigit(i), ""
+ Character.isLetterOrDigit(i));
if (UCharacter.isLowerCase(i) != Character.isLowerCase(i))
trackDifference(p, i, "isLowerCase()", "" + UCharacter.isLowerCase(i), ""
+ Character.isLowerCase(i));
if (UCharacter.isWhitespace(i) != Character.isWhitespace(i))
trackDifference(p, i, "isWhitespace()", "" + UCharacter.isWhitespace(i), ""
+ Character.isWhitespace(i));
if (UCharacter.isSpaceChar(i) != Character.isSpaceChar(i))
trackDifference(p, i, "isSpaceChar()", "" + UCharacter.isSpaceChar(i), ""
+ Character.isSpaceChar(i));
if (UCharacter.isTitleCase(i) != Character.isTitleCase(i))
trackDifference(p, i, "isTitleChar()", "" + UCharacter.isTitleCase(i), ""
+ Character.isTitleCase(i));
if (UCharacter.isUnicodeIdentifierPart(i) != Character.isUnicodeIdentifierPart(i))
trackDifference(p, i, "isUnicodeIdentifierPart()", "" + UCharacter.isUnicodeIdentifierPart(i),
"" + Character.isUnicodeIdentifierPart(i));
if (UCharacter.isUnicodeIdentifierStart(i) != Character.isUnicodeIdentifierStart(i))
trackDifference(p, i, "isUnicodeIdentifierStart()",
"" + UCharacter.isUnicodeIdentifierStart(i), "" + Character.isUnicodeIdentifierStart(i));
if (UCharacter.isIdentifierIgnorable(i) != Character.isIdentifierIgnorable(i))
trackDifference(p, i, "isIdentifierIgnorable()", "" + UCharacter.isIdentifierIgnorable(i), ""
+ Character.isIdentifierIgnorable(i));
if (UCharacter.isUpperCase(i) != Character.isUpperCase(i))
trackDifference(p, i, "isUpperCase()", "" + UCharacter.isUpperCase(i), ""
+ Character.isUpperCase(i));
if (UCharacter.toLowerCase(i) != Character.toLowerCase(i))
trackDifference(p, i, "toLowerCase()", Integer.toHexString(UCharacter.toLowerCase(i)), Integer
.toHexString(Character.toLowerCase(i)));
if (!UCharacter.toString(i).equals(new Character(i).toString()))
trackDifference(p, i, "toString()", UCharacter.toString(i), new Character(i).toString());
if (UCharacter.toTitleCase(i) != Character.toTitleCase(i))
trackDifference(p, i, "toTitleCase()", Integer.toHexString(UCharacter.toTitleCase(i)), Integer
.toHexString(Character.toTitleCase(i)));
if (UCharacter.toUpperCase(i) != Character.toUpperCase(i))
trackDifference(p, i, "toUpperCase()", Integer.toHexString(UCharacter.toUpperCase(i)), Integer
.toHexString(Character.toUpperCase(i)));
}
}
summary(p);
p.close();
} catch (Exception e) {
e.printStackTrace();
}
}
Example 5
| Source File: UCharacterTest.java From j2objc with Apache License 2.0 | 4 votes |
|
/**
* Testing for identifier characters
*/
@Test
public void TestIdentifier()
{
int unicodeidstart[] = {0x0250, 0x0000e2, 0x000061};
int nonunicodeidstart[] = {0x2000, 0x00000a, 0x002019};
int unicodeidpart[] = {0x005f, 0x000032, 0x000045};
int nonunicodeidpart[] = {0x2030, 0x0000a3, 0x000020};
int idignore[] = {0x0006, 0x0010, 0x206b};
int nonidignore[] = {0x0075, 0x0000a3, 0x000061};
int size = unicodeidstart.length;
for (int i = 0; i < size; i ++)
{
if (!UCharacter.isUnicodeIdentifierStart(unicodeidstart[i]))
{
errln("FAIL \\u" + hex(unicodeidstart[i]) +
" expected to be a unicode identifier start character");
break;
}
if (UCharacter.isUnicodeIdentifierStart(nonunicodeidstart[i]))
{
errln("FAIL \\u" + hex(nonunicodeidstart[i]) +
" expected not to be a unicode identifier start " +
"character");
break;
}
if (!UCharacter.isUnicodeIdentifierPart(unicodeidpart[i]))
{
errln("FAIL \\u" + hex(unicodeidpart[i]) +
" expected to be a unicode identifier part character");
break;
}
if (UCharacter.isUnicodeIdentifierPart(nonunicodeidpart[i]))
{
errln("FAIL \\u" + hex(nonunicodeidpart[i]) +
" expected not to be a unicode identifier part " +
"character");
break;
}
if (!UCharacter.isIdentifierIgnorable(idignore[i]))
{
errln("FAIL \\u" + hex(idignore[i]) +
" expected to be a ignorable unicode character");
break;
}
if (UCharacter.isIdentifierIgnorable(nonidignore[i]))
{
errln("FAIL \\u" + hex(nonidignore[i]) +
" expected not to be a ignorable unicode character");
break;
}
logln("Ok \\u" + hex(unicodeidstart[i]) + " and \\u" +
hex(nonunicodeidstart[i]) + " and \\u" +
hex(unicodeidpart[i]) + " and \\u" +
hex(nonunicodeidpart[i]) + " and \\u" +
hex(idignore[i]) + " and \\u" + hex(nonidignore[i]));
}
}
