Package convex.core.data

Class StringSlice

java.lang.Object

convex.core.data.AObject

convex.core.data.ACell

convex.core.data.ACountable<CVMChar>

convex.core.data.AString

convex.core.data.StringSlice

All Implemented Interfaces:

IValidated, IWriteable, CharSequence, Comparable<AString>

public class StringSlice
extends AString

AString subclass representing a subsequence of another charsequence

Field Summary

Fields inherited from class convex.core.data.AString

length

Fields inherited from class convex.core.data.ACell

cachedRef, EMPTY_ARRAY

Fields inherited from class convex.core.data.AObject

encoding

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	StringSlice(AString source, int start, int length)

Method Summary

Modifier and Type	Method	Description
protected AString	append(char charValue)
protected void	appendToStringBuffer(StringBuilder sb, int start, int length)
char	charAt(int index)
static AString	create(StringTree source, int start, int len)
int	encode(byte[] bs, int pos)	Writes this Cell's encoding to a byte array, including a tag byte which will be written first
int	encodeRaw(byte[] bs, int pos)	Writes this Cell's encoding to a byte array, excluding the tag byte
int	estimatedEncodingSize()	Estimate the encoded data size for this Cell.
int	getRefCount()	Gets the number of Refs contained within this Cell.
boolean	isCanonical()	Returns true if this Cell is in a canonical representation for message writing.
boolean	isCVMValue()	Returns true if this object represents a first class CVM Value.
AString	subSequence(int start, int end)
AString	toCanonical()	Converts this Cell to its canonical version.
void	validateCell()	Validates the local structure and invariants of this cell.

Methods inherited from class convex.core.data.AString

compareTo, count, empty, get, getElementRef, getTag, getType, length, print, toString

Methods inherited from class convex.core.data.ACountable

isEmpty, size

Methods inherited from class convex.core.data.ACell

announce, announce, attachMemorySize, attachRef, cachedEncoding, cachedHash, calcMemorySize, createAnnounced, createEncoding, createPersisted, createPersisted, createRef, equals, equals, getChildRefs, getEncoding, getEncodingLength, getHash, getMemorySize, getRef, getRef, hashCode, isEmbedded, mark, mark, updateRefs, validate, write

Methods inherited from class convex.core.data.AObject

attachEncoding, print

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.CharSequence

chars, codePoints, isEmpty

Constructor Details

StringSlice

protected StringSlice(AString source,
 int start,
 int length)

Method Details

create

public static AString create(StringTree source,
 int start,
 int len)

charAt

public char charAt(int index)

subSequence

public AString subSequence(int start,
 int end)

Specified by:

subSequence in interface CharSequence

Specified by:

subSequence in class AString

validateCell

public void validateCell()
                  throws InvalidDataException

Description copied from class: ACell

Validates the local structure and invariants of this cell. Called by validate() super implementation. Should validate directly contained data, but should not validate all other structure of this cell. In particular, should not traverse potentially missing child Refs.

Specified by:

validateCell in class ACell

Throws:

InvalidDataException - If the Cell is invalid

encode

public int encode(byte[] bs,
 int pos)

Description copied from class: ACell

Writes this Cell's encoding to a byte array, including a tag byte which will be written first

Specified by:

encode in interface IWriteable

Overrides:

encode in class AString

Parameters:

bs - A byte array to which to write the encoding

pos - The offset into the byte array

Returns:

New position after writing

encodeRaw

public int encodeRaw(byte[] bs,
 int pos)

Description copied from class: ACell

Writes this Cell's encoding to a byte array, excluding the tag byte

Specified by:

encodeRaw in class ACell

Parameters:

bs - A byte array to which to write the encoding

pos - The offset into the byte array

Returns:

New position after writing

estimatedEncodingSize

public int estimatedEncodingSize()

Description copied from interface: IWriteable

Estimate the encoded data size for this Cell. Used for quickly sizing buffers. Implementations should try to return a size that is likely to contain the entire object when represented in binary format, including the tag byte.

Returns:

The estimated size for the binary representation of this object.

isCanonical

public boolean isCanonical()

Description copied from class: ACell

Returns true if this Cell is in a canonical representation for message writing. Non-canonical objects may be used on a temporary internal basis, they must always be converted to canonical representations for external use (e.g. Encoding).

Specified by:

isCanonical in class ACell

Returns:

true if the object is in canonical format, false otherwise

isCVMValue

public final boolean isCVMValue()

Description copied from class: ACell

Returns true if this object represents a first class CVM Value. Sub-structural cells that are not themselves first class values should return false. CVM values might not be in a canonical format, e.g. temporary data structures

Specified by:

isCVMValue in class ACell

Returns:

true if the object is a CVM Value, false otherwise

getRefCount

public int getRefCount()

Description copied from class: ACell

Gets the number of Refs contained within this Cell. This number is final / immutable for any given instance and is defined by the Cell encoding rules. Contained Refs may be either external or embedded.

Specified by:

getRefCount in class ACell

Returns:

The number of Refs in this Cell

appendToStringBuffer

protected void appendToStringBuffer(StringBuilder sb,
 int start,
 int length)

Specified by:

appendToStringBuffer in class AString

append

protected AString append(char charValue)

Specified by:

append in class AString

toCanonical

public AString toCanonical()

Description copied from class: ACell

Converts this Cell to its canonical version. Returns this Cell if already canonical.

Specified by:

toCanonical in class ACell

Returns:

Canonical version of Cell