j = k + len(subst)
+def check_passthru(document):
+ tc = document.textclass
+ ok = (tc == "literate-article" or tc == "literate-book" or tc == "literate-report")
+ if not ok:
+ mods = document.get_module_list()
+ for mod in mods:
+ if mod == "sweave" or mod == "noweb":
+ ok = True
+ break
+ return ok
+
+
+def convert_passthru(document):
+ " http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg161298.html "
+ if not check_passthru:
+ return
+
+ rx = re.compile("\\\\begin_layout \s*(\w+)")
+ beg = 0
+ for lay in ["Chunk", "Scrap"]:
+ while True:
+ beg = find_token(document.body, "\\begin_layout " + lay, beg)
+ if beg == -1:
+ break
+ end = find_end_of_layout(document.body, beg)
+ if end == -1:
+ document.warning("Can't find end of layout at line " + str(beg))
+ beg += 1
+ continue
+ # we are now going to replace newline insets within this layout
+ # by new instances of this layout. so we have repeated layouts
+ # instead of newlines.
+ ns = beg
+ while True:
+ ns = find_token(document.body, "\\begin_inset Newline newline", ns, end)
+ if ns == -1:
+ break
+ ne = find_end_of_inset(document.body, ns)
+ if ne == -1 or ne > end:
+ document.warning("Can't find end of inset at line " + str(nb))
+ ns += 1
+ continue
+ if document.body[ne + 1] == "":
+ ne += 1
+ subst = ["\\end_layout", "", "\\begin_layout " + lay]
+ document.body[ns:ne + 1] = subst
+ # now we need to adjust end, in particular, but might as well
+ # do ns properly, too
+ newlines = (ne - ns) - len(subst)
+ ns += newlines + 2
+ end += newlines + 1
+ # ok, we now want to find out if the next layout is the
+ # same as this one. if so, we will insert an extra copy of it
+ didit = False
+ next = find_token(document.body, "\\begin_layout", end)
+ if next != -1:
+ m = rx.match(document.body[next])
+ if m:
+ nextlay = m.group(1)
+ if nextlay == lay:
+ subst = ["\\begin_layout " + lay, "", "\\end_layout", ""]
+ document.body[next:next] = subst
+ didit = True
+ beg = end + 1
+ if didit:
+ beg += 4 # for the extra layout
+
+
+def revert_passthru(document):
+ " http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg161298.html "
+ if not check_passthru:
+ return
+ rx = re.compile("\\\\begin_layout \s*(\w+)")
+ beg = 0
+ for lay in ["Chunk", "Scrap"]:
+ while True:
+ beg = find_token(document.body, "\\begin_layout " + lay, beg)
+ if beg == -1:
+ break
+ end = find_end_of_layout(document.body, beg)
+ if end == -1:
+ document.warning("Can't find end of layout at line " + str(beg))
+ beg += 1
+ continue
+
+ # we now want to find out if the next layout is the
+ # same as this one. but we will need to do this over and
+ # over again.
+ while True:
+ next = find_token(document.body, "\\begin_layout", end)
+ if next == -1:
+ break
+ m = rx.match(document.body[next])
+ if not m:
+ break
+ nextlay = m.group(1)
+ if nextlay != lay:
+ break
+ # so it is the same layout again. we now want to know if it is empty.
+ # but first let's check and make sure there is no content between the
+ # two layouts. i'm not sure if that can happen or not.
+ for l in range(end + 1, next):
+ document.warning("c'" + document.body[l] + "'")
+ if document.body[l] != "":
+ document.warning("Found content between adjacent " + lay + " layouts!")
+ break
+ nextend = find_end_of_layout(document.body, next)
+ if nextend == -1:
+ document.warning("Can't find end of layout at line " + str(next))
+ break
+ empty = True
+ for l in range(next + 1, nextend):
+ document.warning("e'" + document.body[l] + "'")
+ if document.body[l] != "":
+ empty = False
+ break
+ if empty:
+ # empty layouts just get removed
+ # should we check if it's before yet another such layout?
+ del document.body[next : nextend + 1]
+ # and we do not want to check again. we know the next layout
+ # should be another Chunk and should be left as is.
+ break
+ else:
+ # if it's not empty, then we want to insert a newline in place
+ # of the layout switch
+ subst = ["\\begin_inset Newline newline", "\\end_inset", ""]
+ document.body[end : next + 1] = subst
+ # and now we have to find the end of the new, larger layout
+ newend = find_end_of_layout(document.body, beg)
+ if newend == -1:
+ document.warning("Can't find end of new layout at line " + str(beg))
+ break
+ end = newend
+ beg = end + 1
+
##
# Conversion hub
#
[402, [convert_bibtex_clearpage]],
[403, [convert_flexnames]],
[404, [convert_prettyref]],
- [405, []]
+ [405, []],
+ [406, [convert_passthru]]
]
-revert = [[404, []],
+revert = [[405, [revert_passthru]],
+ [404, []],
[403, [revert_refstyle]],
[402, [revert_flexnames]],
[401, []],