Xpath

Question 1

comment sélectionner la racine ?

<? xml version = " 1.0 " encoding = " UTF8 " ? >
       < addressBook >
            < address >
                   < firstName > John </ firstName >
                   < surname > Smith </ surname >
                   < email > smithj@world . org </ email >
                   < tel type = " work " > 234 -123 -222 </ tel >
             </ address >
             < address > 
                    < firstName > Alice </ firstName >
                    < surname > Brown </ surname >
                    < email > Alice . Brown@europe . com </ email >
                    < tel type = " home " > 22 -33 -444 </ tel >
                    < tel type = " work " > 11 -43 -222 </ tel >
             </ address >
             < address >
                   < firstName > George </ firstName >
                   < surname > White </ surname >
                   < email > gw@rock . com </ email >
             </ address >
        </ addressBook >

Answer 1

/adressBook

Question 2

donner 2 expressions pour sélectionner les noeud adresse

<? xml version = " 1.0 " encoding = " UTF8 " ? >
       < addressBook >
            < address >
                   < firstName > John </ firstName >
                   < surname > Smith </ surname >
                   < email > smithj@world . org </ email >
                   < tel type = " work " > 234 -123 -222 </ tel >
             </ address >
             < address > 
                    < firstName > Alice </ firstName >
                    < surname > Brown </ surname >
                    < email > Alice . Brown@europe . com </ email >
                    < tel type = " home " > 22 -33 -444 </ tel >
                    < tel type = " work " > 11 -43 -222 </ tel >
             </ address >
             < address >
                   < firstName > George </ firstName >
                   < surname > White </ surname >
                   < email > gw@rock . com </ email >
             </ address >
        </ addressBook >

Answer 2

//address
/adressBook/address
/child::address

Question 3

3 qui permettent de sélectionner le noeud <firstName>Alice<firstName></firstName></firstName>

<? xml version = " 1.0 " encoding = " UTF8 " ? >
       < addressBook >
            < address >
                   < firstName > John </ firstName >
                   < surname > Smith </ surname >
                   < email > smithj@world . org </ email >
                   < tel type = " work " > 234 -123 -222 </ tel >
             </ address >
             < address > 
                    < firstName > Alice </ firstName >
                    < surname > Brown </ surname >
                    < email > Alice . Brown@europe . com </ email >
                    < tel type = " home " > 22 -33 -444 </ tel >
                    < tel type = " work " > 11 -43 -222 </ tel >
             </ address >
             < address >
                   < firstName > George </ firstName >
                   < surname > White </ surname >
                   < email > gw@rock . com </ email >
             </ address >
        </ addressBook >

Answer 3

/adressBook/address/firstName[text()=’Alice’]
//firstName[text()=’Alice’]
//adress[2]/firstName
/adressBook/[2]/firstName
/adressBook/[1]/following-sibling::node()/firstName[text()=’Alice’]

Question 4

//email[text()=’gw@rock.com’]/../firstName/following-sibling::node() ?

<? xml version = " 1.0 " encoding = " UTF8 " ? >
       < addressBook >
            < address >
                   < firstName > John </ firstName >
                   < surname > Smith </ surname >
                   < email > smithj@world . org </ email >
                   < tel type = " work " > 234 -123 -222 </ tel >
             </ address >
             < address > 
                    < firstName > Alice </ firstName >
                    < surname > Brown </ surname >
                    < email > Alice . Brown@europe . com </ email >
                    < tel type = " home " > 22 -33 -444 </ tel >
                    < tel type = " work " > 11 -43 -222 </ tel >
             </ address >
             < address >
                   < firstName > George </ firstName >
                   < surname > White </ surname >
                   < email > gw@rock . com </ email >
             </ address >
        </ addressBook >

que sélectionne le Xpath fournis ?