# 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 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):
if end == 0:
- end = len(lines)
+ end = len(lines)
m = len(token)
for i in xrange(start, end):
- if lines[i][:m] == token:
- return i
+ if lines[i][:m] == token:
+ return i
return -1
+
+def find_token_exact(lines, token, start, end = 0):
+ if end == 0:
+ end = len(lines)
+ for i in xrange(start, end):
+ x = string.split(lines[i])
+ y = string.split(token)
+ if len(x) < len(y):
+ continue
+ if x[:len(y)] == y:
+ return i
+ return -1
+
+
def find_tokens(lines, tokens, start, end = 0):
if end == 0:
- end = len(lines)
+ end = len(lines)
for i in xrange(start, end):
- line = lines[i]
- for token in tokens:
- if line[:len(token)] == token:
- return i
+ for token in tokens:
+ if lines[i][:len(token)] == token:
+ return i
return -1
+
+def find_tokens_exact(lines, tokens, start, end = 0):
+ if end == 0:
+ end = len(lines)
+ for i in xrange(start, end):
+ for token in tokens:
+ x = string.split(lines[i])
+ y = string.split(token)
+ if len(x) < len(y):
+ continue
+ if x[:len(y)] == y:
+ return i
+ return -1
+
+
def find_re(lines, rexp, start, end = 0):
if end == 0:
- end = len(lines)
+ end = len(lines)
for i in xrange(start, end):
- if rexp.match(lines[i]):
- return i
+ if rexp.match(lines[i]):
+ return i
return -1
+
def find_token_backwards(lines, token, start):
m = len(token)
for i in xrange(start, -1, -1):
- line = lines[i]
- if line[:m] == token:
- return i
+ line = lines[i]
+ if line[:m] == token:
+ return i
return -1
+
+def find_tokens_backwards(lines, tokens, start):
+ for i in xrange(start, -1, -1):
+ line = lines[i]
+ for token in tokens:
+ if line[:len(token)] == token:
+ return i
+ return -1
+
+
def get_value(lines, token, start, end = 0):
- i = find_token(lines, token, start, end)
+ i = find_token_exact(lines, token, start, end)
if i == -1:
- return ""
- return string.split(lines[i])[1]
+ return ""
+ if len(string.split(lines[i])) > 1:
+ return string.split(lines[i])[1]
+ else:
+ return ""
-def is_nonempty_line(line):
- line = line[:-1]
- return line != " "*len(line)
-def find_nonempty_line(lines, start, end = 0):
- if end == 0:
- end = len(lines)
- for i in xrange(start, end):
- if is_nonempty_line(lines[i]):
- return i
+def get_layout(line, default_layout):
+ tokens = string.split(line)
+ if len(tokens) > 1:
+ return tokens[1]
+ return default_layout
+
+
+def del_token(lines, token, i, j):
+ k = find_token_exact(lines, token, i, j)
+ if k == -1:
+ return j
+ else:
+ del lines[k]
+ return j-1
+
+
+# Finds the paragraph that contains line i.
+def get_paragraph(lines, i, format):
+ if format < 225:
+ begin_layout = "\\layout"
+ else:
+ begin_layout = "\\begin_layout"
+ while i != -1:
+ i = find_tokens_backwards(lines, ["\\end_inset", begin_layout], i)
+ if i == -1: return -1
+ if check_token(lines[i], begin_layout):
+ return i
+ i = find_beginning_of_inset(lines, 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"
+# Finds the paragraph after the paragraph that contains line i.
+def get_next_paragraph(lines, i, format):
+ if format < 225:
+ tokens = ["\\begin_inset", "\\layout", "\\end_float", "\\the_end"]
+ elif format < 236:
+ tokens = ["\\begin_inset", "\\begin_layout", "\\end_float", "\\end_document"]
else:
- version = "1.2"
+ tokens = ["\\begin_inset", "\\begin_layout", "\\end_float", "\\end_body", "\\end_document"]
+ while i != -1:
+ i = find_tokens(lines, tokens, 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
+ n = len(lines)
+ while i < n:
+ i = find_tokens(lines, [end_token, start_token], i+1)
+ if check_token(lines[i], start_token):
+ count = count+1
+ else:
+ count = count-1
+ if count == 0:
+ return i
+ return -1
+
+
+# Finds the matching \end_inset
+def find_beginning_of(lines, i, start_token, end_token):
+ count = 1
+ while i > 0:
+ i = find_tokens_backwards(lines, [start_token, end_token], i-1)
+ if check_token(lines[i], end_token):
+ count = count+1
+ else:
+ count = count-1
+ if count == 0:
+ 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")
- lines[0] = "#LyX %s created this file. For more info see http://www.lyx.org/" % version
- if lines[1][0] == '#':
- del lines[1]
-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 find_end_of_tabular(lines, i):
+ return find_end_of(lines, i, "<lyxtabular", "</lyxtabular")
+
+
+def get_tabular_lines(lines, i):
+ result = []
+ i = i+1
+ j = find_end_of_tabular(lines, i)
+ if j == -1:
+ return []
+
+ while i <= j:
+ if check_token(lines[i], "\\begin_inset"):
+ i = find_end_of_inset(lines, i)+1
+ else:
+ result.append(i)
+ 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)
+ for i in xrange(start, end):
+ if is_nonempty_line(lines[i]):
+ return i
+ return -1