Class UnicodeUtil

java.lang.Object

graphql.parser.UnicodeUtil

public class UnicodeUtil
extends Object

Contains Unicode helpers for parsing StringValue types in the grammar

Field Summary

Fields

Modifier and Type	Field	Description
static final int	LEADING_SURROGATE_LOWER_BOUND
static final int	LEADING_SURROGATE_UPPER_BOUND
static final int	MAX_UNICODE_CODE_POINT
static final int	TRAILING_SURROGATE_LOWER_BOUND
static final int	TRAILING_SURROGATE_UPPER_BOUND

Constructor Summary

Constructors

Constructor	Description
UnicodeUtil()

Method Summary

Modifier and Type	Method	Description
private static int	getEndIndexExclusive(I18n i18n, String string, int i, SourceLocation sourceLocation)
private static boolean	isBracedEscape(String string, int i)
private static boolean	isEscapedUnicode(String string, int index)
private static boolean	isLeadingSurrogateValue(int value)
private static boolean	isTrailingSurrogateValue(int value)
private static boolean	isValidUnicodeCodePoint(int value)
private static String	offendingToken(String string, int i, int continueIndex)
static int	parseAndWriteUnicode(I18n i18n, StringWriter writer, String string, int i, SourceLocation sourceLocation)
private static void	writeCodePoint(StringWriter writer, int codepoint)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MAX_UNICODE_CODE_POINT

public static final int MAX_UNICODE_CODE_POINT

See Also:

• Constant Field Values

LEADING_SURROGATE_LOWER_BOUND

public static final int LEADING_SURROGATE_LOWER_BOUND

See Also:

• Constant Field Values

LEADING_SURROGATE_UPPER_BOUND

public static final int LEADING_SURROGATE_UPPER_BOUND

See Also:

• Constant Field Values

TRAILING_SURROGATE_LOWER_BOUND

public static final int TRAILING_SURROGATE_LOWER_BOUND

See Also:

• Constant Field Values

TRAILING_SURROGATE_UPPER_BOUND

public static final int TRAILING_SURROGATE_UPPER_BOUND

See Also:

• Constant Field Values

Constructor Details

UnicodeUtil

public UnicodeUtil()

Method Details

parseAndWriteUnicode

public static int parseAndWriteUnicode(I18n i18n,
 StringWriter writer,
 String string,
 int i,
 SourceLocation sourceLocation)

offendingToken

private static String offendingToken(String string,
 int i,
 int continueIndex)

getEndIndexExclusive

private static int getEndIndexExclusive(I18n i18n,
 String string,
 int i,
 SourceLocation sourceLocation)

isValidUnicodeCodePoint

private static boolean isValidUnicodeCodePoint(int value)

isEscapedUnicode

private static boolean isEscapedUnicode(String string,
 int index)

isLeadingSurrogateValue

private static boolean isLeadingSurrogateValue(int value)

isTrailingSurrogateValue

private static boolean isTrailingSurrogateValue(int value)

writeCodePoint

private static void writeCodePoint(StringWriter writer,
 int codepoint)

isBracedEscape

private static boolean isBracedEscape(String string,
 int i)