# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

def genasciidoc(
    srcs = [],
    outs = [],
    deps = {},
    attributes = [],
    backend = None,
    visibility = []):
  EXPN = '.expn'

  asciidoc = ['$(exe //lib/asciidoctor:asciidoc)']
  if backend:
    asciidoc.extend(['-b', backend])
  for attribute in attributes:
    asciidoc.extend(['-a', attribute])
  asciidoc.extend(['-o', '$OUT'])

  for p in zip(srcs, outs):
    src, out = p
    dep = deps.get(src) or []

    tx = []
    fn = src
    if fn.startswith('BUCKGEN:') :
      fn = src[8:]
      tx = [':' + fn]
    ex = fn + EXPN

    genrule(
      name = ex,
      cmd = '$(exe :replace_macros) --suffix=' + EXPN +
            ' -s $SRCDIR/%s' % fn +
            ' -o $OUT',
      srcs = [src],
      deps = tx + [':replace_macros'],
      out = ex,
    )
    genrule(
      name = out,
      cmd = ' '.join(asciidoc + ['$SRCDIR/' + ex]),
      srcs = [genfile(ex)] + [genfile(n + EXPN) for n in dep],
      deps = [':' + n + EXPN for n in dep] + [
        ':' + ex,
        '//lib/asciidoctor:asciidoc',
      ],
      out = out,
      visibility = visibility,
    )