Chris Burdick
: christopher d0t m d0t burdick at, gmail d0t com
11/18/2011 17:53 p.m.
11/18/2011 17:53 p.m.
Description of miva_struct_members()
miva_struct_members( aggregate var, members var ) will populate an array "members" with the members of structure "aggregate". It returns the number of members in the structure.
<MvCOMMENT>MivaScript</MvCOMMENT>
<MvCOMMENT>Set up test array with values</MvCOMMENT>
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
1
"
MEMBER
="
member_a
"
VALUE
="
1
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
1
"
MEMBER
="
member_b
"
VALUE
="
2
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
1
"
MEMBER
="
member_c
"
VALUE
="
3
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
2
"
MEMBER
="
member_a
"
VALUE
="
1
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
2
"
MEMBER
="
member_b
"
VALUE
="
2
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
3
"
MEMBER
="
member_a
"
VALUE
="
1
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
3
"
MEMBER
="
member_b
"
VALUE
="
2
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
3
"
MEMBER
="
member_c
"
VALUE
="
3
>"
<MvASSIGN
NAME
="
l.testarray
"
INDEX
="
3
"
MEMBER
="
member_d
"
VALUE
="
4
>"
<MvCOMMENT>Abuse of miva_struct_members()</MvCOMMENT>
<MvASSIGN
NAME
="
l.empty
"
VALUE
="
{ miva_struct_members(l.testarray, l.empty_array) }
>"
<MvASSIGN
NAME
="
l.three
"
VALUE
="
{ miva_struct_members(l.testarray[1], l.three_array) }
>"
<MvASSIGN
NAME
="
l.two
"
VALUE
="
{ miva_struct_members(l.testarray[2], l.two_array) }
>"
<MvASSIGN
NAME
="
l.four
"
VALUE
="
{ miva_struct_members(l.testarray[3], l.four_array) }
>"
<MvCOMMENT>Evals for output</MvCOMMENT>
<MvEVAL
EXPR
="
{ 'Array Member Count: ' $ l.empty $ ' | Serialized: ' $ miva_array_serialize(l.empty_array) $ '<br /> Element 1 Member Count: ' $ l.three $ ' | Serialized: ' $ miva_array_serialize(l.three_array) $ '<br /> Element 2 Member Count: ' $ l.two $ ' | Serialized: ' $ miva_array_serialize(l.two_array) $ '<br /> Element 3 Member Count: ' $ l.four $ ' | Serialized: ' $ miva_array_serialize(l.four_array) }
>"
<!-- This will result in the following output -->
Array Member Count: 0 | Serialized:
<br>
Element 1 Member Count: 3 | Serialized: [1]=MEMBER_A,[2]=MEMBER_B,[3]=MEMBER_C
<br>
Element 2 Member Count: 2 | Serialized: [1]=MEMBER_A,[2]=MEMBER_B
<br>
Element 3 Member Count: 4 | Serialized: [1]=MEMBER_A,[2]=MEMBER_B,[3]=MEMBER_C,[4]=MEMBER_D
<br>