using libxml2 2.6.26
David Grohmann wrote:
These
2 files have an element "PruningSection" which contain en element
"Channels" that contains some text. These 2 files are extremely similar
and I dont think they should be creating a node Tree any different than
each other.
1) Why are these coming out different?
2) Is there a method (or group of methods put together) that will take
a "PruningSection" node and return the "Channels" node no matter which
of these 2 trees are passed in? (other than trying to fallow one
pointer path vs trying to fallow the other path) something like
give_me_the_node_below( parent_node, name_of_child_node) so more
concretely
using the node variable from below
xmlNodePtr channel_node = give_me_the_node_below( node, "Channels")
Thank you - David
Trees described below:
first.xml:
(gdb) p *node
$40 = {
_private = 0x0,
type = XML_ELEMENT_NODE,
name = 0x18489a3 "PruningSection",
children = 0x1849c00,
last = 0x1849da0,
parent = 0x1849180,
next = 0x1849e20,
prev = 0x18493f0,
doc = 0x1848d20,
ns = 0x1848f90,
content = 0x0,
properties = 0x1849510,
nsDef = 0x0,
psvi = 0x0,
line = 11,
extra = 0
}
(gdb) p *node->children
$45 = {
_private = 0x0,
type = XML_TEXT_NODE,
name = 0x2a9bb827c6 "text",
children = 0x0,
last = 0x0,
parent = 0x1849490,
next = 0x1849c80,
prev = 0x0,
doc = 0x1848d20,
ns = 0x0,
content = 0x1848a55 "\n ",
properties = 0x0,
nsDef = 0x0,
psvi = 0x0,
line = 0,
extra = 0
}
(gdb) p *node->children->next
$46 = {
_private = 0x0,
type = XML_ELEMENT_NODE,
name = 0x1848a5b "Channels",
children = 0x1849d00,
last = 0x1849d00,
parent = 0x1849490,
next = 0x1849da0,
prev = 0x1849c00,
doc = 0x1848d20,
ns = 0x1848f90,
content = 0x0,
properties = 0x0,
nsDef = 0x0,
psvi = 0x0,
line = 12,
extra = 0
}
(gdb) p *node->children->next->children
$47 = {
_private = 0x0,
type = XML_TEXT_NODE,
name = 0x2a9bb827c6 "text",
children = 0x0,
last = 0x0,
parent = 0x1849c80,
next = 0x0,
prev = 0x0,
doc = 0x1848d20,
ns = 0x0,
content = 0x1849d80 "1:3,10:15,20",
properties = 0x0,
nsDef = 0x0,
psvi = 0x0,
line = 0,
extra = 0
}
-----------------------------------------------------------------------------
second.xml:
(gdb) p *node
$48 = {
_private = 0x0,
type = XML_ELEMENT_NODE,
name = 0x18a6b7f "PruningSection",
children = 0x1864ff0,
last = 0x1864ff0,
parent = 0x18645e0,
next = 0x0,
prev = 0x0,
doc = 0x18a6f00,
ns = 0x18a7170,
content = 0x0,
properties = 0x1864940,
nsDef = 0x0,
psvi = 0x0,
line = 3,
extra = 0
}
(gdb) p *node->children
$49 = {
_private = 0x0,
type = XML_ELEMENT_NODE,
name = 0x18a6c31 "Channels",
children = 0x1865070,
last = 0x1865070,
parent = 0x18648c0,
next = 0x0,
prev = 0x0,
doc = 0x18a6f00,
ns = 0x18a7170,
content = 0x0,
properties = 0x0,
nsDef = 0x0,
psvi = 0x0,
line = 4,
extra = 0
}
(gdb) p *node->children->children
$50 = {
_private = 0x0,
type = XML_TEXT_NODE,
name = 0x2a9bb827c6 "text",
children = 0x0,
last = 0x0,
parent = 0x1864ff0,
next = 0x0,
prev = 0x0,
doc = 0x18a6f00,
ns = 0x0,
content = 0x18650f0 "1:3,10:15,20",
properties = 0x0,
nsDef = 0x0,
psvi = 0x0,
line = 0,
extra = 0
}
<?xml version="1.0" encoding="UTF-8"?>
<NominalPruning xmlns="http://www.arlut.utexas.edu/esl/SPEAR/library/xml/NominalPruning-v1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.arlut.utexas.edu/esl/SPEAR/library/xml/NominalPruning-v1 /opt/spear-dev/share/schemas/parameters-nominal-pruning-v1.xsd">
<PruningSection index="0" frequency_start_in_hertz="0" frequency_stop_in_hertz="10" azimuth_start_in_degrees="5" azimuth_stop_in_degrees="15" range_start_in_meters="1" range_stop_in_meters="INF">
<Channels>1:3,10:15,20</Channels>
</PruningSection>
</NominalPruning>
<?xml version="1.0" encoding="UTF-8"?>
<NominalPruning xmlns="http://www.arlut.utexas.edu/esl/SPEAR/library/xml/NominalPruning-v1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.arlut.utexas.edu/esl/SPEAR/library/xml/NominalPruning-v1 /opt/spear-dev/share/schemas/parameters-nominal-pruning-v1.xsd">
<PruningSection index="0"
frequency_start_in_hertz="0.0E1"
frequency_stop_in_hertz="10"
range_start_in_meters="1"
range_stop_in_meters="INF"
azimuth_start_in_degrees="5"
azimuth_stop_in_degrees="15">
<Channels>1:3,10:15,20</Channels>
</PruningSection>
</NominalPruning>
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--
David Grohmann
Senior Student Associate
Applied Research Lab : UT Austin : ESL - S206
Office: 512-835-3237
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