Difference between revisions of "Function xml.parse()"
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local parsed = xml.parse(data) | local parsed = xml.parse(data) | ||
log(parsed.child("book").text) -- Bible | log(parsed.child("book").text) -- Bible | ||
+ | * <i>array</i> <code>children(optional <i>string</i> name)</code> returns all child nodes; if name is provided, the nodes are filtered by the name | ||
+ | local data = [[ | ||
+ | <papers> | ||
+ | <book>Bible</book> | ||
+ | <magazine>Automoto Revue</magazine> | ||
+ | <book>Quran</book> | ||
+ | </papers> | ||
+ | ]] | ||
+ | local parsed = xml.parse(data) | ||
+ | log(parsed.children("book")[2].text) -- Quran | ||
+ | log(parsed.children()[2].text) -- Automoto Revue | ||
+ | * <i>XmlAttribute/nil</i> <code>get(<i>string/number</i>...)</code> traverses the xml tree and filters the result for each argument: | ||
+ | ** <i>string</i> descend into first node of given name | ||
+ | ** <i>number</i> descend into n-th node of name specified by previous argument | ||
__NOTOC__ | __NOTOC__ |
Revision as of 18:17, 21 April 2017
Parses xml string.
XmlElement xml.parse(xmlstring
)
Parameters
- string
xmlstring
string to parse
Return value
XmlElement
Consecutive spaces are trimmed to single space.
XmlElement Members
- string
name
name of the node
log(xml.parse("<note>something</note>").name) -- note
- string
text
text content of the node (excluding the contents of child nodes)
local data = xml.parse("<note>something <big>really</big> good</note>") log(data.text) -- something good
- string/nil
attr(string name)
returns the value of a single attribute; if the attribute doesn't exists, ruturns nil
local data = xml.parse('<note from="ann" to="bob">hello</note>') log(data.attr("from")) -- ann
- table
attr()
returns all attributes as a table
local data = xml.parse('<note from="ann" to="bob">hello</note>') local attrs = data.attr() logf("%s -> %s", attrs.from, attrs["to"]) -- ann -> bob
- XmlElement
child(string name)
returns first child node with given name
local data = [[ <papers> <book>Bible</book> <magazine>Automoto Revue</magazine> <book>Quran</book> </papers> ]] local parsed = xml.parse(data) log(parsed.child("book").text) -- Bible
- array
children(optional string name)
returns all child nodes; if name is provided, the nodes are filtered by the name
local data = [[ <papers> <book>Bible</book> <magazine>Automoto Revue</magazine> <book>Quran</book> </papers> ]] local parsed = xml.parse(data) log(parsed.children("book")[2].text) -- Quran log(parsed.children()[2].text) -- Automoto Revue
- XmlAttribute/nil
get(string/number...)
traverses the xml tree and filters the result for each argument:- string descend into first node of given name
- number descend into n-th node of name specified by previous argument