import string
import re
-
def check_token(line, token):
if line[:len(token)] == token:
return 1
if is_nonempty_line(lines[i]):
return i
return -1
-
-
-##
-# 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, 235]
-
-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", [223,224,225,226,227,228,229,230,231,232,233,234,235], ["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
- 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