xpathGet nodes relative to the current node

Syntax

  1. All ancestors of a node
    • /path to the node/ancestor::node()
  2. A specific ancestor of a node
    • /path to the node/ancestor::ancestor_name
  3. Parent of a node
    • /path to the node/parent::node()
  4. Following siblings of a node
    • /path to the node/following-sibling::node()
  5. A specific sibling following a node
    • /path to the node/following-sibling::sibling_name
  6. Preceding siblings of a node
    • /path to the node/preceding-sibling::node()
  7. A specific sibling preceding a node
    • /path to the node/preceding-sibling::sibling_name
  8. All immediate child nodes of a node
    • /path to the node/child::node()
  9. A specific immediate child node of a node
    • /path to the node/child::chid_name
  10. All the descendants of a node
    • /path to the node/descendant::node()
  11. All specific descendants of a node
    • /path the to node/descendant::descendant_name

Parameters

Axisselects
ancestorall the ancestor nodes
parentparent node
following-siblingsiblings following the node
preceding-siblingsiblings preceding the node
childimmediate children
descendantall the descendant irrespective of the nesting level

Remarks

These axes can be used in combination with other functions to suit our needs.

Find My ancestors

XML

<GrandFather name="Bardock" gender="male" spouse="Gine">
    <Dad name="Goku" gender="male" spouse="Chi Chi">
        <Me name="Gohan" gender="male"/>
        <brother name="Goten" gender="male"/>
    </Dad>
</GrandFather>

XPATH

//Me/ancestor::node()

OUTPUT

<GrandFather name="Bardock" gender="male" spouse="Gine">
  <Dad name="Goku" gender="male" spouse="Chi Chi">
    <Me name="Gohan" gender="male" />
    <brother name="Goten" gender="male" />
  </Dad>
</GrandFather>
<Dad name="Goku" gender="male" spouse="Chi Chi">
  <Me name="Gohan" gender="male" />
  <brother name="Goten" gender="male" />
</Dad>

Find My Parent

XML

<GrandFather name="Bardock" gender="male" spouse="Gine">
    <Dad name="Goku" gender="male" spouse="Chi Chi">
        <Me name="Gohan" gender="male"/>
        <brother name="Goten" gender="male"/>
    </Dad>
</GrandFather>

XPATH

//Me/ancestor::Dad

or

//Me/parent::node()

OUTPUT

<Dad name="Goku" gender="male" spouse="Chi Chi">
  <Me name="Gohan" gender="male" />
  <brother name="Goten" gender="male" />
</Dad>

Find my grand father

XML

<GrandFather name="Bardock" gender="male" spouse="Gine">
  <Dad name="Goku" gender="male" spouse="Chi Chi">
    <Me name="Gohan" gender="male" />
    <brother name="Goten" gender="male" />
  </Dad>
</GrandFather>

XPATH

//Me/ancestor::GrandFather

or

//Me/parent::node()/parent::node()

OUTPUT

<GrandFather name="Bardock" gender="male" spouse="Gine">
  <Dad name="Goku" gender="male" spouse="Chi Chi">
    <Me name="Gohan" gender="male" />
    <brother name="Goten" gender="male" />
  </Dad>
</GrandFather>

Find my brother

XML

<GrandFather name="Bardock" gender="male" spouse="Gine">
  <Dad name="Goku" gender="male" spouse="Chi Chi">
    <brother name="Goten" gender="male" />
    <Me name="Gohan" gender="male" />
    <brother name="Goten" gender="male" />
  </Dad>
</GrandFather>

XPATH

//Me/following-sibling::brother

OUTPUT

<brother name="Goten" gender="male" />

Get all avatars before Parashurama

XML

<Dashavatar>
    <Avatar name="Matsya"/>
    <Avatar name="Kurma"/>
    <Avatar name="Varaha"/>
    <Avatar name="Narasimha"/>
    <Avatar name="Vamana"/>
    <Avatar name="Balabhadra"/>
    <Avatar name="Parashurama"/>
    <Avatar name="Rama"/>
    <Avatar name="Krishna"/>
    <Avatar name="Kalki"/>
</Dashavatar>

XPATH

//Avatar[@name='Parashurama']/preceding-sibling::node()

OUTPUT

<Avatar name="Matsya"/>
<Avatar name="Kurma"/>
<Avatar name="Varaha"/>
<Avatar name="Narasimha"/>
<Avatar name="Vamana"/>
<Avatar name="Balabhadra"/>

Get all avatars after Parashurama

XML

<Dashavatar>
    <Avatar name="Matsya"/>
    <Avatar name="Kurma"/>
    <Avatar name="Varaha"/>
    <Avatar name="Narasimha"/>
    <Avatar name="Vamana"/>
    <Avatar name="Balabhadra"/>
    <Avatar name="Parashurama"/>
    <Avatar name="Rama"/>
    <Avatar name="Krishna"/>
    <Avatar name="Kalki"/>
</Dashavatar>

XPATH

//Avatar[@name='Parashurama']/following-sibling::node()

OUTPUT

<Avatar name="Rama" />
<Avatar name="Krishna" />
<Avatar name="Kalki" />

Get all avatars except the current one (Parusharama)

XML

<Dashavatar>
    <Avatar name="Matsya"/>
    <Avatar name="Kurma"/>
    <Avatar name="Varaha"/>
    <Avatar name="Narasimha"/>
    <Avatar name="Vamana"/>
    <Avatar name="Balabhadra"/>
    <Avatar name="Parashurama"/>
    <Avatar name="Rama"/>
    <Avatar name="Krishna"/>
    <Avatar name="Kalki"/>
</Dashavatar>

XPATH

//Avatar[@name='Parashurama']/following-sibling::Avatar | //Avatar[@name='Parashurama']/preceding-sibling::Avatar

OUTPUT

<Avatar name="Matsya" />
<Avatar name="Kurma" />
<Avatar name="Varaha" />
<Avatar name="Narasimha" />
<Avatar name="Vamana" />
<Avatar name="Balabhadra" />
<Avatar name="Rama" />
<Avatar name="Krishna" />
<Avatar name="Kalki" />

Get all the details (child nodes) of House

XML

<House>
    <Rooms>10</Rooms>
    <People>4</People>
    <TVs>4</TVs>
    <Floors>2</Floors>
</House>

XPATH

/House/child::node()

OUTPUT

<Rooms>10</Rooms>
<People>4</People>
<TVs>4</TVs>
<Floors>2</Floors>

Get all rooms (immediate children named Room) in House

XML

<House>
    <numRooms>4</numRooms>
    <Room name="living"/>
    <Room name="master bedroom"/>
    <Room name="kids' bedroom"/>
    <Room name="kitchen"/>
</House>

XPATH

/House/child::Room

or

/House/*[local-name()='Room']

OUTPUT

<Room name="living" />
<Room name="master bedroom" />
<Room name="kids' bedroom" />
<Room name="kitchen" />

Get all rooms (irrespective of the position) in House

XML

<House>
    <numRooms>4</numRooms>
    <Floor number="1">
        <Room name="living"/>
        <Room name="kitchen"/>
    </Floor>
    <Floor number="2">
        <Room name="master bedroom"/>
        <Room name="kids' bedroom"/>    
    </Floor>
</House>

XPATH

/House/descendant::Room

OUTPUT

<Room name="living" />
<Room name="kitchen" />
<Room name="master bedroom" />
<Room name="kids' bedroom" />