# Class: Query

## FooTable.Query

#### new Query(query, spaceopt, connectorsopt) → {FooTable.Query}

The query object is used to parse and test the filtering component's queries

##### Parameters:

Name | Type | Attributes | Default | Description
--- | --- | --- | --- | ---
`query` | string |  |  | The string value of the query.
`space` | string | <optional> | "AND" | How the query treats whitespace.
`connectors` | boolean | <optional> | true | Whether or not to replace phrase connectors (+.-_) with spaces.

##### Returns:

Type
  FooTable.Query

### Extends

- FooTable.Class

### Members

#### (private) _original :string

Holds the previous value of the query and is used internally in the `FooTable.Query#val` method.

##### Type:

- string

#### (private) _value :string

Holds the value for the query. Access to this variable is provided through the `FooTable.Query#val` method.

##### Type:

- string

#### connectors :boolean

Whether or not to replace phrase connectors (+.-_) with spaces before executing the query.

##### Type:

- boolean

#### left :FooTable.Query

The left side of the query if one exists. OR takes precedence over AND.

##### Type:

- FooTable.Query

##### Example

The below shows what is meant by the "left" side of a query

    query = "Dave AND Mary" - "Dave" is the left side of the query.
    query = "Dave AND Mary OR John" - "Dave and Mary" is the left side of the query.

#### operator :string

The type of operand to apply to the results of the individual parts of the query.

##### Type:

- string

#### parts :Array

The parsed parts of the query. This contains the information used to actually perform a match against a string.

##### Type:

- Array

#### right :FooTable.Query

The right side of the query if one exists. OR takes precedence over AND.

##### Type:

- FooTable.Query

##### Example

The below shows what is meant by the "right" side of a query

    query = "Dave AND Mary" - "Mary" is the right side of the query.
    query = "Dave AND Mary OR John" - "John" is the right side of the query.

#### space :string

A string specifying how the query treats whitespace. Can be either "OR" or "AND".

##### Type:

- string

### Methods

#### (private, static) _left(str, def) → {boolean}

Matches the left side of the query if one exists with the supplied string.

##### Parameters:

Name | Type | Description
--- | --- | ---
`str` | string | The string to test.
`def` | boolean | The default value to return based on the operand.

##### Returns:

Type
  boolean

#### (private, static) _match(str, def) → {boolean}

Matches this queries parts array against the supplied string.

##### Parameters:

Name | Type | Description
--- | --- | ---
`str` | string | The string to test.
`def` | boolean | The default value to return based on the operand.

##### Returns:

Type
  boolean

#### (private, static) _parse()

Parses the private `FooTable.Query#_value` property and populates the object.

#### (private, static) _part(str) → {Object}

Parses a single part of a query into an object to use during matching.

##### Parameters:

Name | Type | Description
--- | --- | ---
`str` | string | The string representation of the part.

##### Returns:

Type
  Object

#### (private, static) _right(str, def) → {boolean}

Matches the right side of the query if one exists with the supplied string.

##### Parameters:

Name | Type | Description
--- | --- | ---
`str` | string | The string to test.
`def` | boolean | The default value to return based on the operand.

##### Returns:

Type
  boolean

#### (static) match(str) → {boolean}

Tests the supplied string against the query.

##### Parameters:

Name | Type | Description
--- | --- | ---
`str` | string | The string to test.

##### Returns:

Type
  boolean

#### (static) val(valueopt) → {string|undefined}

Gets or sets the value for the query. During set the value is parsed setting all properties as required.

##### Parameters:

Name | Type | Attributes | Description
--- | --- | --- | ---
`value` | string | <optional> | If supplied the value to set for this query.

##### Returns:

Type
  string | undefined