# This file is part of NIT ( http://www.nitlanguage.org ).
#
# This file is free software, which comes along with NIT. This software is
# distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. You can modify it is you want, provided this header
# is kept unaltered, and a notification of the changes is added.
# You are allowed to redistribute it and sell it, alone or is a part of
# another product.
# Easy XML DOM parser
module dom
import parser
redef class XMLEntity
# The `XMLTag` children with the `tag_name`
#
# ~~~
# var code = """
#
#
#
# This is a white tiger!
#
# """
#
# var xml = code.to_xml
# assert xml["animal"].length == 1
# assert xml["animal"].first["cat"].length == 2
# ~~~
fun [](tag_name: String): Array[XMLTag]
do
var res = new Array[XMLTag]
for child in children do
if child isa XMLTag and child.tag_name == tag_name then
res.add child
end
end
return res
end
end
redef class XMLStartTag
# Content of this XML tag held within a `PCDATA` or `CDATA`
#
# ~~~
# var code = """
#
#
#
# This is a white tiger!
#
# """
#
# var xml = code.to_xml
# assert xml["animal"].first["tiger"].first.as(XMLStartTag).data == "This is a white tiger!"
# ~~~
fun data: String
do
for child in children do
if child isa PCDATA then return child.content
if child isa CDATA then return child.content
end
abort
end
end
redef class XMLAttrTag
# Attributes as a map (ignoring malformed attributes)
#
# ~~~
# var xml = """
#
# """.to_xml
#
# var attributes = xml["student"].first.as(XMLAttrTag).attributes_to_map
# assert attributes.join(", ", ":") == "first:Snow, last:Man"
# ~~~
fun attributes_to_map: Map[String, String]
do
var m = new Map[String, String]
for a in attributes do
if a isa XMLStringAttr then
m[a.name] = a.value
end
end
return m
end
end