com.jmatio.common.util

Class MLArrayQuery

java.lang.Object

com.jmatio.common.util.MLArrayQuery

public class MLArrayQuery
extends java.lang.Object

The JMatIO query parser. Allows to use Matlab-like syntax to access MLArray objects.

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.regex.Pattern	pat
private java.lang.String	queryString
private static java.lang.String	regexp

Constructor Summary

Constructors

Constructor and Description
MLArrayQuery(java.lang.String queryString)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getContent(MLArray array, int m, int n) Returns the content of the field/cell/object.
static java.lang.Object	q(MLArray array, java.lang.String query)
java.lang.Object	query(MLArray array) Parses the query string and returns the object it refers to.

Methods inherited from class java.lang.Object

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

Field Detail

queryString

private java.lang.String queryString

regexp

private static final java.lang.String regexp

See Also:

Constant Field Values

pat

private static final java.util.regex.Pattern pat

Constructor Detail

MLArrayQuery

public MLArrayQuery(java.lang.String queryString)

Method Detail

q

public static java.lang.Object q(MLArray array,
                                 java.lang.String query)

Parameters:

array -

query -

Returns:

query

public java.lang.Object query(MLArray array)

Parses the query string and returns the object it refers to.

Parameters:

array - source MLArray

Returns:

query result

getContent

public java.lang.Object getContent(MLArray array,
                                   int m,
                                   int n)

Returns the content of the field/cell/object.

Parameters:

array - the parent structure/cell

m - column or -1

n - row or -1

Returns:

if both m and n are -1, returns MLArray, if n is -1, returns content under index m, if both m and n are not-negative, returns content of (m,n)