读取XML中的结点，XPATH如何写

结构如下
XML code:

<process-definition>
<start-state name='start' push=''>
<transition to='analyse' >
</transition>
<title>PROJECT</title>
<url>/BIZ/1</url>
<power>*</power>
</start-state>
<state name='analyse' push='msg|email|mobile'>
<transition to='clientsubmit' rejectto='start'>
</transition>
<title>PROJECT ANALYSE</title>
<url>/BIZ/2</url>
<power type='user'>3,1,2</power>
</state>
<state name='assign' push='msg|email|mobile'>
<transition to='clientsubmit' rejectto='start'>
</transition>
<title>PROJECT ANALYSE</title>
<url>/BIZ/3</url>
<power type='user'>3,1,2</power>
</state>
<end-state name='end' />
</process-definition>




请问我要获取 analyse 和 start的结点属性push如何写.
注意：analyse 也有可能是 start-state 的name值。
我想根据，name 值获取结点


process-definition/*/state[@name='analyse'] 取的是所有state的结点值

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请问我要获取 analyse 和 start的结点属性push如何写.
注意：analyse 也有可能