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Fix up the revert_mathdots routine. I think this is right, but I could

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not really follow the logic of the original routine and don't know why
we would load mathdots for \ddots when we do not load it in 2.0 for the
same command.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36091 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2010-11-04 21:38:32 +00:00
parent 586b5685f5
commit 0a7e9018e5
1 changed files with 29 additions and 18 deletions
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45
lib/lyx2lyx/lyx_2_0.py
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@ -1767,34 +1767,45 @@ def convert_mathdots(document):
def revert_mathdots(document):
" Load mathdots if used in the document "
i = 0
ddots = re.compile(r'\\begin_inset Formula .*\\ddots', re.DOTALL)
vdots = re.compile(r'\\begin_inset Formula .*\\vdots', re.DOTALL)
iddots = re.compile(r'\\begin_inset Formula .*\\iddots', re.DOTALL)
mathdots = find_token(document.header, "\\use_mathdots" , 0)
no = find_token(document.header, "\\use_mathdots 0" , 0)
auto = find_token(document.header, "\\use_mathdots 1" , 0)
yes = find_token(document.header, "\\use_mathdots 2" , 0)
if mathdots != -1:
usedots = 1
if mathdots == -1:
document.warning("No \\usemathdots line. Assuming auto.")
else:
del document.header[mathdots]
val = get_value(document.header, "\\use_mathdots", mathdots)
try:
usedots = int(val)
except:
document.warning("Invalid \\use_mathdots value: " + val)
if mathdots == 0:
# do not load case
return
if mathdots == 2:
# force load case
add_to_preamble(["% lyx2lyx mathdots addition", "\\usepackage{mathdots}"])
return
# so we are in the auto case. we want to load mathdots if \iddots is used.
i = 0
while True:
i = find_token(document.body, '\\begin_inset Formula', i)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning("Malformed LyX document: Can't find end of Formula inset.")
return
k = ddots.search("\n".join(document.body[i:j]))
l = vdots.search("\n".join(document.body[i:j]))
m = iddots.search("\n".join(document.body[i:j]))
if (yes == -1) and ((no != -1) or (not k and not l and not m) or (auto != -1 and not m)):
document.warning("Malformed LyX document: Can't find end of Formula inset at line " + str(i))
i += 1
continue
# use \@ifundefined to catch also the "auto" case
add_to_preamble(document, ["% this command was inserted by lyx2lyx"])
add_to_preamble(document, ["\\@ifundefined{iddots}{\\usepackage{mathdots}}\n"])
code = "\n".join(document.body[i:j])
if code.find("\\iddots") != -1:
add_to_preamble(document, ["% lyx2lyx mathdots addition",
"\\@ifundefined{iddots}{\\usepackage{mathdots}}"])
return
i = j
def convert_rule(document):