view contrib/xml.rnc @ 26123:bdac264e5ed4

contrib: add showstack extension

This allows getting a Python stack trace at any time on Unix by
hitting Ctrl-\ (or Ctrl-T on BSDs). Useful for debugging mysterious
hangs on the fly. Sample output:

$ hg log -k nosuchmessage
^\
  File "/home/mpm/hg/mercurial/revset.py", line 3089, in _iterfilter
    if cond(x):
  File "/home/mpm/hg/mercurial/util.py", line 415, in f
    cache[arg] = func(arg)
  File "/home/mpm/hg/mercurial/revset.py", line 1215, in matches
    for t in c.files() + [c.user(), c.description()])
  File "/home/mpm/hg/mercurial/context.py", line 525, in files
    return self._changeset[3]
  File "/home/mpm/hg/mercurial/util.py", line 531, in __get__
    result = self.func(obj)
  File "/home/mpm/hg/mercurial/context.py", line 498, in _changeset
    return self._repo.changelog.read(self.rev())
  File "/home/mpm/hg/mercurial/changelog.py", line 338, in read
    text = self.revision(node)
  File "/home/mpm/hg/mercurial/revlog.py", line 1092, in revision
    bins = self._chunks(chain)
  File "/home/mpm/hg/mercurial/revlog.py", line 1013, in _chunks
    ladd(decompress(buffer(data, chunkstart - offset, chunklength)))
  File "/home/mpm/hg/mercurial/revlog.py", line 91, in decompress
    return _decompress(bin)
----

# RelaxNG schema for "xml" log style
# Inspired by Subversion's XML log format.

start = log
node.type = xsd:string  {minLength = "40" maxLength = "40"}

log = element log { logentry+ }
logentry = element logentry {
    logentry.attlist,
    branch*, tag*, hgparent*,
    author, date,
    msg, paths?, copies?, extra*
}
logentry.attlist =
    attribute revision {xsd:nonNegativeInteger}
  & attribute node {node.type}
branch = element branch { text }
tag = element tag { text }
hgparent = element parent {hgparent.attlist, text}
hgparent.attlist =
    attribute revision {xsd:integer {minInclusive = "-1"} }
  & attribute node {node.type}
author = element author { author.attlist, text }
author.attlist =
    attribute email {text}
date = element date {xsd:dateTime}
msg = element msg {msg.attlist, text}
msg.attlist =
    attribute xml:space {"preserve"}
paths = element paths { path* }
path = element path { path.attlist, text }
path.attlist =
    # Action: (A)dd, (M)odify, (R)emove
    attribute action {"A"|"M"|"R"}
copies = element copies { copy+ }
copy = element copy { copy.attlist, text }
copy.attlist =
    attribute source {text}
extra = element extra {extra.attlist, text}
extra.attlist =
    attribute key {text}