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#
#
# Nimrod's Runtime Library
# (c) Copyright 2010 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
## This module parses an XML document and creates its XML tree representation.
import streams, parsexml, xmltree
proc parse*(x: var TXmlParser, father: PXmlNode) =
proc parseXml*(s: PStream, filename: string,
errors: var seq[string]): PXmlNode =
## parses the XML from stream `s` and returns a ``PXmlNode``. Every
## occured parsing error is added to the `errors` sequence.
var x: TXmlParser
open(x, s, filename, {reportComments})
result = newElement("html")
while true:
x.next()
case x.kind
of xmlWhitespace: nil # just skip it
of xmlComment:
result.add(newComment(x.text))
close(x)
proc parseXml*(s: PStream): PXmlNode =
## parses the XTML from stream `s` and returns a ``PXmlNode``. All parsing
## errors are ignored.
var errors: seq[string] = @[]
result = parseXml(s, "unknown_html_doc", errors)
proc loadXml*(path: string, reportErrors = false): PXmlNode =
## Loads and parses XML from file specified by ``path``, and returns
## a ``PXmlNode``. If `reportErrors` is true, the parsing errors are
## ``echo``ed.
var s = newFileStream(path, fmRead)
if s == nil: raise newException(EIO, "Unable to read file: " & path)
var errors: seq[string] = @[]
result = parseXml(s, path, errors)
if reportErrors:
for msg in items(errors): echo(msg)
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