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Another try at multirow reversion. What makes this so hard is that we

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have to account for the possibility of tables within tables.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36230 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2010-11-10 13:41:43 +00:00
parent 89810fec6d
commit 22c7c7b144
2 changed files with 136 additions and 124 deletions
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244
lib/lyx2lyx/lyx_2_0.py
View File

@ -26,7 +26,7 @@ import sys, os
from parser_tools import find_token, find_end_of, find_tokens, \
find_token_exact, find_end_of_inset, find_end_of_layout, \
find_token_backwards, is_in_inset, get_value, get_quoted_value, \
del_token, check_token
del_token, check_token, get_option_value
from lyx2lyx_tools import add_to_preamble, insert_to_preamble, \
put_cmd_in_ert, lyx2latex, latex_length, revert_flex_inset, \
@ -939,134 +939,130 @@ def revert_includeall(document):
def revert_multirow(document):
" Revert multirow cells in tables to TeX-code"
i = 0
begin_table = 0
bottom_index = 0
multirow = False
# first, let's find out if we need to do anything
# cell type 3 is multirow begin cell
i = find_token(document.body, '<cell multirow="3"', i)
i = find_token(document.body, '<cell multirow="3"', 0)
if i == -1:
return
# a multirow cell was found
multirow = True
add_to_preamble(document, ["\\usepackage{multirow}"])
begin_table = 0
mrstarts = []
while True:
# find begin/end of table
begin_table = find_token(document.body, '<lyxtabular version=', begin_table)
if begin_table == -1:
break
end_table = find_token(document.body, '</lyxtabular>', begin_table)
if end_table == -1:
document.warning("Malformed LyX document: Could not find end of table.")
break
# store the number of rows
begin = document.body[begin_table].find('rows="')
end = document.body[begin_table].find('" ', begin)
rows = document.body[begin_table][begin + 6:end]
# store the number of columns
begin = document.body[begin_table].find('columns="')
end = document.body[begin_table].find('">', begin)
columns = document.body[begin_table][begin + 9:end]
# find column number of the multirows
begin_row = begin_table
for row in range(int(rows)):
begin_row = find_token(document.body, '<row>', begin_row)
begin_cell = begin_row
for column in range(int(columns)):
begin_cell = find_token(document.body, '<cell ', begin_cell)
i = document.body[begin_cell].find('multirow="3"')
if i <> -1:
# we found a multirow in column number column - 1
# store column width
begin = document.body[begin_table + 2 + column].find('width="')
end = document.body[begin_table + 2 + column].find('">', begin)
col_width = document.body[begin_table + 2 + column][begin + 7:end]
# "0pt" means that no width is specified
if col_width == "0pt":
col_width = "*"
# determine the number of cells that are part of the multirow
begin_row2 = begin_table
# we have the multirow begin cell as minimal span
span = 1
# go one row behind the row where we found the multirow begin
row2 = -1
while row2 < row:
begin_row2 = find_token(document.body, '<row>', begin_row2)
row2 += 1
begin_row2 += 1
# step now through all rows until we reach the last table row
rows2 = row
while row2 < rows:
begin_row2 = find_token(document.body, '<row>', begin_row2)
begin_cell2 = begin_row2
# look now for the column-th cell in the row
column2 = 0
while column2 < column:
begin_cell2 = find_token(document.body, '<cell ', begin_cell2)
column2 += 1
begin_cell2 += 1
# cell type 4 is multirow-part cell
begin_cell2 = find_token(document.body, '<cell ', begin_cell2)
j = document.body[begin_cell2].find('multirow="4"')
if j <> -1:
span += 1
# remove bottom line of previous multirow-part cell
if span > 1:
document.body[bottom_index] = document.body[bottom_index].replace(' bottomline="true" ', ' ')
# save index to be later able to remove bottom line
bottom_index = begin_cell2
else:
break
begin_row2 = find_token(document.body, '</row>', begin_row2)
# remove the multirow tag, set the valignment to top
# and remove the bottom line
document.body[begin_cell] = document.body[begin_cell].replace(' multirow="3" ', ' ')
document.body[begin_cell] = document.body[begin_cell].replace('valignment="middle"', 'valignment="top"')
# only remove the bottom line if it is not a single cell as multirow
if span > 1:
document.body[begin_cell] = document.body[begin_cell].replace(' bottomline="true" ', ' ')
# write ERT to create the multirow cell
cend = find_token(document.body, "</cell>", begin_cell)
if cend == -1:
document.warning("Malformed LyX document: Could not find end of tabular cell.")
i += 1
continue
blay = find_token(document.body, "\\begin_layout", begin_cell, cend)
if blay == -1:
document.warning("Can't find layout for cell!")
i = j
continue
bend = find_end_of_layout(document.body, blay)
if bend == -1:
document.warning("Can't find end of layout for cell!")
i = cend
continue
# do the later one first, so as not to mess up the numbering
# we are wrapping the whole cell in this ert
# so before the end of the layout...
document.body[bend:bend] = put_cmd_in_ert("}")
# ...and after the beginning
document.body[blay + 1:blay + 1] = put_cmd_in_ert("\\multirow{" + str(span) + "}{" + col_width + "}{")
# set index to end of current cell (that is now much bigger due to the ERT addition)
begin_cell = find_token(document.body, '</cell>', begin_cell) + 1
begin_row = find_token(document.body, '</row>', begin_row) + 1
# find begin/end of table
begin_table = find_token(document.body, '<lyxtabular version=', begin_table)
if begin_table == -1:
break
end_table = find_end_of(document.body, begin_table, '<lyxtabular', '</lyxtabular>')
if end_table == -1:
document.warning("Malformed LyX document: Could not find end of table.")
begin_table += 1
continue
# does this table have multirow?
i = find_token(document.body, '<cell multirow="3"', begin_table, end_table)
if i == -1:
begin_table = end_table
continue
# store the number of rows and columns
numrows = get_option_value(document.body[begin_table], "rows")
numcols = get_option_value(document.body[begin_table], "columns")
try:
numrows = int(numrows)
numcols = int(numcols)
except:
document.warning(numrows)
document.warning("Unable to determine rows and columns!")
begin_table = end_table
continue
multirows = []
# collect info on rows and columns of this table.
begin_row = begin_table
for row in range(numrows):
begin_row = find_token(document.body, '<row>', begin_row, end_table)
if begin_row == -1:
document.warning("Can't find row " + str(row + 1))
break
end_row = find_end_of(document.body, begin_row, '<row>', '</row>')
if end_row == -1:
document.warning("Can't find end of row " + str(row + 1))
break
begin_cell = begin_row
multirows.append([])
for column in range(numcols):
begin_cell = find_token(document.body, '<cell ', begin_cell, end_row)
if begin_cell == -1:
document.warning("Can't find column " + str(column + 1) + \
"in row " + str(row + 1))
break
# NOTE
# this will fail if someone puts "</cell>" in a cell, but
# that seems fairly unlikely.
end_cell = find_end_of(document.body, begin_cell, '<cell', '</cell>')
if end_cell == -1:
document.warning("Can't find end of column " + str(column + 1) + \
"in row " + str(row + 1))
break
multirows[row].append([begin_cell, end_cell, 0])
if document.body[begin_cell].find('multirow="3"') != -1:
multirows[row][column][2] = 3 # begin multirow
mrstarts.append([row, column])
elif document.body[begin_cell].find('multirow="4"') != -1:
multirows[row][column][2] = 4 # in multirow
begin_cell = end_cell
begin_row = end_row
# end for loops
begin_table = end_table
# revert now all multirow part cells
while True:
# cell type 4 is multirow part cell
k = find_token(document.body, '<cell multirow="4"', begin_table)
if k == -1:
break
# remove the multirow tag, set the valignment to top
# and remove the top line
document.body[k] = document.body[k].replace(' multirow="4" ', ' ')
document.body[k] = document.body[k].replace('valignment="middle"', 'valignment="top"')
document.body[k] = document.body[k].replace(' topline="true" ', ' ')
k += 1
# go to the next table
begin_table = end_table + 1
if multirow == True:
add_to_preamble(document, ["\\usepackage{multirow}"])
# work from the back to avoid messing up numbering
mrstarts.reverse()
for m in mrstarts:
row = m[0]
col = m[1]
# get column width
col_width = get_option_value(document.body[begin_table + 2 + col], "width")
# "0pt" means that no width is specified
if not col_width or col_width == "0pt":
col_width = "*"
# determine the number of cells that are part of the multirow
nummrs = 1
for r in range(row + 1, numrows):
if multirows[r][col][2] != 4:
break
nummrs += 1
# take the opportunity to revert this line
lineno = multirows[r][col][0]
document.body[lineno] = document.body[lineno].\
replace(' multirow="4" ', ' ').\
replace('valignment="middle"', 'valignment="top"').\
replace(' topline="true" ', ' ')
# remove bottom line of previous multirow-part cell
lineno = multirows[r-1][col][0]
document.body[lineno] = document.body[lineno].replace(' bottomline="true" ', ' ')
# revert beginning cell
bcell = multirows[row][col][0]
ecell = multirows[row][col][1]
document.body[bcell] = document.body[bcell].\
replace(' multirow="3" ', ' ').\
replace('valignment="middle"', 'valignment="top"')
blay = find_token(document.body, "\\begin_layout", bcell, ecell)
if blay == -1:
document.warning("Can't find layout for cell!")
continue
bend = find_end_of_layout(document.body, blay)
if bend == -1:
document.warning("Can't find end of layout for cell!")
continue
# do the later one first, so as not to mess up the numbering
# we are wrapping the whole cell in this ert
# so before the end of the layout...
document.body[bend:bend] = put_cmd_in_ert("}")
# ...and after the beginning
document.body[blay + 1:blay + 1] = \
put_cmd_in_ert("\\multirow{" + str(nummrs) + "}{" + col_width + "}{")
def convert_math_output(document):

16
lib/lyx2lyx/parser_tools.py
View File

@ -69,6 +69,11 @@ get_quoted_value(lines, token, start[, end[, default]):
value, if they are present. So use this one for cases
where the value is normally quoted.
get_option_value(line, option):
This assumes we have a line with something like:
option="value"
and returns value. Returns "" if not found.
del_token(lines, token, start[, end]):
Like find_token, but deletes the line if it finds one.
Returns True if a line got deleted, otherwise False.
@ -137,6 +142,8 @@ is_nonempty_line(line):
'''
import re
# Utilities for one line
def check_token(line, token):
""" check_token(line, token) -> bool
@ -299,6 +306,15 @@ def get_quoted_value(lines, token, start, end = 0, default = ""):
return val.strip('"')
def get_option_value(line, option):
rx = option + '\s*=\s*"([^"+])"'
rx = re.compile(rx)
m = rx.search(line)
if not m:
return ""
return m.group(1)
def del_token(lines, token, start, end = 0):
""" del_token(lines, token, start, end) -> int