# This file is part of lyx2lyx
-# Copyright (C) 2002 Dekel Tsur <dekel@lyx.org>, José Matos <jamatos@lyx.org>
+# -*- coding: iso-8859-1 -*-
+# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>, José Matos <jamatos@lyx.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import string
+import re
+
def check_token(line, token):
if line[:len(token)] == token:
return 1
return 0
+
# We need to check that the char after the token is space, but I think
# we can ignore this
def find_token(lines, token, start, end = 0):
return i
return -1
+
def find_token2(lines, token, start, end = 0):
if end == 0:
end = len(lines)
return i
return -1
+
def find_tokens(lines, tokens, start, end = 0):
if end == 0:
end = len(lines)
return i
return -1
+
def find_re(lines, rexp, start, end = 0):
if end == 0:
end = len(lines)
return i
return -1
+
def find_token_backwards(lines, token, start):
m = len(token)
for i in xrange(start, -1, -1):
return i
return -1
+
def find_tokens_backwards(lines, tokens, start):
for i in xrange(start, -1, -1):
line = lines[i]
return i
return -1
+
def get_value(lines, token, start, end = 0):
i = find_token2(lines, token, start, end)
if i == -1:
return ""
- return string.split(lines[i])[1]
+ if len(string.split(lines[i])) > 1:
+ return string.split(lines[i])[1]
+ else:
+ return ""
+
def del_token(lines, token, i, j):
k = find_token2(lines, token, i, j)
del lines[k]
return j-1
+
# Finds the paragraph that contains line i.
def get_paragraph(lines, i):
while i != -1:
if check_token(lines[i], "\\layout"):
return i
i = find_beginning_of_inset(lines, i)
+ return -1
+
# Finds the paragraph after the paragraph that contains line i.
def get_next_paragraph(lines, i):
while i != -1:
- i = find_tokens(lines, ["\\begin_inset", "\\layout"], i)
- if i == -1: return -1
- if check_token(lines[i], "\\layout"):
+ i = find_tokens(lines, ["\\begin_inset", "\\layout", "\\end_float", "\\the_end"], i)
+ if not check_token(lines[i], "\\begin_inset"):
return i
i = find_end_of_inset(lines, i)
+ return -1
+
def find_end_of(lines, i, start_token, end_token):
count = 1
return i
return -1
+
# Finds the matching \end_inset
def find_beginning_of(lines, i, start_token, end_token):
count = 1
- n = len(lines)
- while i < n:
+ while i > 0:
i = find_tokens_backwards(lines, [start_token, end_token], i-1)
if check_token(lines[i], end_token):
count = count+1
return i
return -1
+
# Finds the matching \end_inset
def find_end_of_inset(lines, i):
return find_end_of(lines, i, "\\begin_inset", "\\end_inset")
+
# Finds the matching \end_inset
def find_beginning_of_inset(lines, i):
return find_beginning_of(lines, i, "\\begin_inset", "\\end_inset")
+
def find_end_of_tabular(lines, i):
return find_end_of(lines, i, "<lyxtabular", "</lyxtabular")
+
def get_tabular_lines(lines, i):
result = []
i = i+1
i = i+1
return result
+
def is_nonempty_line(line):
return line != " "*len(line)
+
def find_nonempty_line(lines, start, end = 0):
if end == 0:
end = len(lines)
return i
return -1
-def set_comment(lines, number):
- x = int(number)
- if x < 216:
- # It is not worth the trouble to handle this case
- return
- elif x < 220:
- version = "1.1"
- else:
- version = str((x-220)/10.0+1.2)
+##
+# Tools for file reading
+#
+def read_file(header, body, opt):
+ """Reads a file into the header and body parts"""
+ preamble = 0
+
+ while 1:
+ line = opt.input.readline()
+ if not line:
+ opt.error("Invalid LyX file.")
+
+ line = line[:-1]
+ if check_token(line, '\\begin_preamble'):
+ preamble = 1
+ if check_token(line, '\\end_preamble'):
+ preamble = 0
+
+ if not preamble:
+ line = string.strip(line)
+
+ if not line and not preamble:
+ break
+
+ header.append(line)
+
+ while 1:
+ line = opt.input.readline()
+ if not line:
+ break
+ body.append(line[:-1])
+
+
+def write_file(header, body, opt):
+ for line in header:
+ opt.output.write(line+"\n")
+ opt.output.write("\n")
+ for line in body:
+ opt.output.write(line+"\n")
+
+
+##
+# lyx version
+#
+original_version = re.compile(r"\#LyX (\S*)")
+
+def read_version(header):
+ for line in header:
+ if line[0] != "#":
+ return None
+
+ result = original_version.match(line)
+ if result:
+ return result.group(1)
+ return None
+
+
+def set_version(lines, version):
lines[0] = "#LyX %s created this file. For more info see http://www.lyx.org/" % version
if lines[1][0] == '#':
del lines[1]
+##
+# file format version
+#
+format_re = re.compile(r"(\d)[\.,]?(\d\d)")
+fileformat = re.compile(r"\\lyxformat\s*(\S*)")
+lst_ft = [210, 215, 216, 217, 218, 220, 221, 223, 224, 225, 226, 227, 228, 229,
+ 230, 231, 232, 233, 234]
+
+format_relation = [("0_10", [210], ["0.10.7","0.10"]),
+ ("0_12", [215], ["0.12","0.12.1","0.12"]),
+ ("1_0_0", [215], ["1.0.0","1.0"]),
+ ("1_0_1", [215], ["1.0.1","1.0.2","1.0.3","1.0.4", "1.1.2","1.1"]),
+ ("1_1_4", [215], ["1.1.4","1.1"]),
+ ("1_1_5", [216], ["1.1.5","1.1.5fix1","1.1.5fix2","1.1"]),
+ ("1_1_6", [217], ["1.1.6","1.1.6fix1","1.1.6fix2","1.1"]),
+ ("1_1_6fix3", [218], ["1.1.6fix3","1.1.6fix4","1.1"]),
+ ("1_2", [220], ["1.2.0","1.2.1","1.2.3","1.2.4","1.2"]),
+ ("1_3", [221], ["1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3"]),
+ ("1_4", [223,224,225,226,227,228,229,230,231,232,233,234], ["1.4.0cvs","1.4"])]
+
+
+def lyxformat(format, opt):
+ result = format_re.match(format)
+ if result:
+ format = int(result.group(1) + result.group(2))
+ else:
+ opt.error(str(format) + ": " + "Invalid LyX file.")
+
+ if format in lst_ft:
+ return format
+
+ opt.error(str(format) + ": " + "Format not supported.")
+ return None
+
+
+def read_format(header, opt):
+ for line in header:
+ result = fileformat.match(line)
+ if result:
+ return lyxformat(result.group(1), opt)
+ else:
+ opt.error("Invalid LyX File.")
+ return None
+
+
def set_format(lines, number):
if int(number) <= 217:
- number = float(number)/100
+ number = float(number)/100
i = find_token(lines, "\\lyxformat", 0)
lines[i] = "\\lyxformat %s" % number
+
+
+def get_end_format():
+ return format_relation[-1:][0][1][-1:][0]
+
+
+def get_backend(textclass):
+ if textclass == "linuxdoc" or textclass == "manpage":
+ return "linuxdoc"
+ if textclass[:7] == "docbook":
+ return "docbook"
+ return "latex"
+
+
+def chain(opt, initial_version):
+ """ This is where all the decisions related with the convertion are taken"""
+
+ format = opt.format
+ if opt.start:
+ if opt.start != format:
+ opt.warning("%s: %s %s" % ("Proposed file format and input file formats do not match:", opt.start, format))
+ else:
+ opt.start = format
+
+ if not opt.end:
+ opt.end = get_end_format()
+
+ correct_version = 0
+
+ for rel in format_relation:
+ if initial_version in rel[2]:
+ if format in rel[1]:
+ initial_step = rel[0]
+ correct_version = 1
+ break
+
+ if not correct_version:
+ if format <= 215:
+ opt.warning("Version does not match file format, discarding it.")
+ for rel in format_relation:
+ if format in rel[1]:
+ initial_step = rel[0]
+ break
+ else:
+ # This should not happen, really.
+ opt.error("Format not supported.")
+
+ # Find the final step
+ for rel in format_relation:
+ if opt.end in rel[1]:
+ final_step = rel[0]
+ break
+ else:
+ opt.error("Format not supported.")
+
+ # Convertion mode, back or forth
+ steps = []
+ if (initial_step, opt.start) < (final_step, opt.end):
+ mode = "convert"
+ first_step = 1
+ for step in format_relation:
+ if initial_step <= step[0] <= final_step:
+ if first_step and len(step[1]) == 1:
+ first_step = 0
+ continue
+ steps.append(step[0])
+ else:
+ mode = "revert"
+ relation_format = format_relation
+ relation_format.reverse()
+ last_step = None
+
+ for step in relation_format:
+ if final_step <= step[0] <= initial_step:
+ steps.append(step[0])
+ last_step = step
+
+ if last_step[1][-1] == opt.end:
+ steps.pop()
+
+ return mode, steps
projects / lyx.git / blobdiff