com.caucho.quercus.env

Class DefaultValue

java.lang.Object

com.caucho.quercus.env.Value

com.caucho.quercus.env.NullValue

com.caucho.quercus.env.DefaultValue

All Implemented Interfaces:

java.io.Serializable

public class DefaultValue
extends NullValue

Represents a PHP default value.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static DefaultValue	DEFAULT

Fields inherited from class com.caucho.quercus.env.NullValue

NULL

Fields inherited from class com.caucho.quercus.env.Value

L, NULL_ARGS, NULL_VALUE_ARRAY

Method Summary

Modifier and Type	Method and Description
static DefaultValue	create() Returns the null value singleton.
void	generate(java.io.PrintWriter out) Generates code to recreate the expression.
void	generateLong(java.io.PrintWriter out) Generates code to recreate the expression.
void	generateString(java.io.PrintWriter out) Generates code to recreate the expression.
boolean	isDefault() Returns true for a DefaultValue
void	print(Env env) Prints the value.
boolean	toBoolean() Converts to a boolean.
Callable	toCallable(Env env, boolean isOptional) Converts to a callable
double	toDouble() Converts to a double.
long	toLong() Converts to a long.
java.lang.Object	toObject() Converts to an object.
java.lang.String	toString() Converts to a string.

Methods inherited from class com.caucho.quercus.env.NullValue

add, append, appendTo, appendTo, appendTo, appendTo, cmp, eq, eql, getArray, getCount, getObject, getSize, getType, getValueType, hashCode, isEmpty, isNull, isset, jsonEncode, serialize, sub, toArgRef, toArray, toArrayValue, toAutoArray, toAutoObject, toBigDecimal, toBigInteger, toBooleanMarshalCost, toByteMarshalCost, toDebugString, toDoubleMarshalCost, toIntegerMarshalCost, toJavaBoolean, toJavaByte, toJavaCalendar, toJavaCharacter, toJavaCollection, toJavaDate, toJavaDouble, toJavaEnum, toJavaFloat, toJavaInteger, toJavaList, toJavaLong, toJavaMap, toJavaObject, toJavaObject, toJavaObjectNotNull, toJavaShort, toJavaString, toJavaURL, toKey, toLongMarshalCost, toObject, toShortMarshalCost, toStringBuilder, toStringValue, valuesToArray, varDumpImpl, varExportImpl

Methods inherited from class com.caucho.quercus.env.Value

abs, add, addOne, bitAnd, bitOr, bitXor, call, call, call, call, call, call, call, callCopy, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callRef, callRef, callRef, callRef, callRef, callRef, callRef, charValueAt, checkPrivate, checkProtected, clone, containsKey, copy, copy, copy, copyArrayItem, copyReturn, copySaveFunArg, copyStringBuilder, copyTree, current, div, div, end, eqValue, findFunction, findQuercusClass, geq, get, get, getArg, getArgTail, getArray, getBaseIterator, getCallableName, getCalledClass, getClassName, getCountRecursive, getDirty, getField, getFieldArg, getFieldArgRef, getFieldArray, getFieldObject, getFieldVar, getHashCode, getIterator, getKeyArray, getKeyIterator, getObject, getObjectHash, getQuercusClass, getRef, getResourceType, getStaticFieldValue, getStaticFieldVar, getThisField, getThisFieldArg, getThisFieldArgRef, getThisFieldArray, getThisFieldObject, getThisFieldVar, getValueArray, getValueIterator, getVar, gt, hasCurrent, increment, initField, initField, initField, initIncompleteField, isA, isA, isArray, isBinary, isBoolean, isCallable, isDouble, isDoubleConvertible, isEmpty, isFieldExists, isFieldInit, isLong, isLongConvertible, isNumberConvertible, isNumeric, isObject, isResource, isset, issetField, issetThisField, isString, isUnicode, isVar, key, keyExists, length, leq, lshift, lt, mod, mul, mul, neg, next, nextIndex, pop, pos, postdecr, postincr, postincr, predecr, preincr, preincr, prev, print, printDepth, printJavaChar, printJavaString, printR, printRImpl, put, put, put, putArray, putField, putField, putField, putObject, putThisField, putThisField, putThisFieldArray, putVar, remove, reset, rshift, serialize, set, setCharValueAt, setFieldInit, setJavaObject, setStaticFieldRef, shuffle, sub_rev, sub, subOne, toBinaryValue, toBinaryValue, toBinaryValue, toBinaryValueMarshalCost, toByteArrayMarshalCost, toChar, toCharArrayMarshalCost, toCharMarshalCost, toDouble, toDouble, toDouble, toDouble, toDoubleValue, toException, toFloatMarshalCost, toInputStream, toInt, toInternString, toJavaObjectMarshalCost, toLocalRef, toLocalThis, toLocalValue, toLocalValueReadOnly, toLocalVar, toLocalVarDeclAsRef, toLong, toLong, toLong, toLong, toLongValue, toRef, toRefValue, toString, toStringBuilder, toStringBuilder, toStringBuilder, toStringMarshalCost, toStringValue, toStringValueMarshalCost, toUnicode, toUnicodeValue, toUnicodeValue, toUnicodeValueMarshalCost, toValue, toVar, unsetArray, unsetField, unsetThisArray, unsetThisField, unsetThisPrivateField, varDump, varExport

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static final DefaultValue DEFAULT

Method Detail

create

public static DefaultValue create()

Returns the null value singleton.

isDefault

public boolean isDefault()

Returns true for a DefaultValue

Overrides:

isDefault in class Value

toBoolean

public boolean toBoolean()

Converts to a boolean.

Overrides:

toBoolean in class NullValue

toLong

public long toLong()

Converts to a long.

Overrides:

toLong in class NullValue

toDouble

public double toDouble()

Converts to a double.

Overrides:

toDouble in class NullValue

toObject

public java.lang.Object toObject()

Converts to an object.

toCallable

public Callable toCallable(Env env,
                           boolean isOptional)

Converts to a callable

Overrides:

toCallable in class Value

print

public void print(Env env)

Prints the value.

Overrides:

print in class NullValue

Parameters:

env -

toString

public java.lang.String toString()

Converts to a string.

Overrides:

toString in class NullValue

Parameters:

env -

generate

public void generate(java.io.PrintWriter out)
              throws java.io.IOException

Generates code to recreate the expression.

Overrides:

generate in class NullValue

Parameters:

out - the writer to the Java source code.

Throws:

java.io.IOException

generateLong

public void generateLong(java.io.PrintWriter out)
                  throws java.io.IOException

Generates code to recreate the expression.

Parameters:

out - the writer to the Java source code.

Throws:

java.io.IOException

generateString

public void generateString(java.io.PrintWriter out)
                    throws java.io.IOException

Generates code to recreate the expression.

Parameters:

out - the writer to the Java source code.

Throws:

java.io.IOException