https://github.com/python/cpython
Tip revision: 0e5088fcc44b42879b728a495456f4b6d4181de0 authored by cvs2svn on 17 October 1998, 19:44:20 UTC
This commit was manufactured by cvs2svn to create tag 'r152a2'.
This commit was manufactured by cvs2svn to create tag 'r152a2'.
Tip revision: 0e5088f
toc2bkm.py
#! /usr/bin/env python
"""Convert a LaTeX .toc file to some PDFTeX magic to create that neat outline.
The output file has an extension of '.bkm' instead of '.out', since hyperref
already uses that extension.
"""
import getopt
import os
import re
import string
import sys
# Ench item in an entry is a tuple of:
#
# Section #, Title String, Page #, List of Sub-entries
#
# The return value of parse_toc() is such a tuple.
cline_re = r"""^
\\contentsline\ \{([a-z]*)} # type of section in $1
\{(?:\\numberline\ \{([0-9.A-Z]+)})? # section number
(.*)} # title string
\{(\d+)}$""" # page number
cline_rx = re.compile(cline_re, re.VERBOSE)
OUTER_TO_INNER = -1
_transition_map = {
('chapter', 'section'): OUTER_TO_INNER,
('section', 'subsection'): OUTER_TO_INNER,
('subsection', 'subsubsection'): OUTER_TO_INNER,
('subsubsection', 'subsection'): 1,
('subsection', 'section'): 1,
('section', 'chapter'): 1,
('subsection', 'chapter'): 2,
('subsubsection', 'section'): 2,
('subsubsection', 'chapter'): 3,
}
INCLUDED_LEVELS = ("chapter", "section", "subsection", "subsubsection")
def parse_toc(fp, bigpart=None):
toc = top = []
stack = [toc]
level = bigpart or 'chapter'
lineno = 0
while 1:
line = fp.readline()
if not line:
break
lineno = lineno + 1
m = cline_rx.match(line)
if m:
stype, snum, title, pageno = m.group(1, 2, 3, 4)
title = clean_title(title)
entry = (stype, snum, title, string.atoi(pageno), [])
if stype == level:
toc.append(entry)
else:
if stype not in INCLUDED_LEVELS:
# we don't want paragraphs & subparagraphs
continue
direction = _transition_map[(level, stype)]
if direction == OUTER_TO_INNER:
toc = toc[-1][-1]
stack.insert(0, toc)
toc.append(entry)
else:
for i in range(direction):
del stack[0]
toc = stack[0]
toc.append(entry)
level = stype
else:
sys.stderr.write("l.%s: " + line)
return top
hackscore_rx = re.compile(r"\\hackscore\s*{[^}]*}")
raisebox_rx = re.compile(r"\\raisebox\s*{[^}]*}")
title_rx = re.compile(r"\\([a-zA-Z])+\s+")
title_trans = string.maketrans("", "")
def clean_title(title):
title = raisebox_rx.sub("", title)
title = hackscore_rx.sub(r"\\_", title)
pos = 0
while 1:
m = title_rx.search(title, pos)
if m:
start = m.start()
if title[start:start+15] != "\\textunderscore":
title = title[:start] + title[m.end():]
pos = start + 1
else:
break
title = string.translate(title, title_trans, "{}")
return title
def write_toc(toc, fp):
for entry in toc:
write_toc_entry(entry, fp, 0)
def write_toc_entry(entry, fp, layer):
stype, snum, title, pageno, toc = entry
s = "\\pdfoutline goto name{page%03d}" % pageno
if toc:
s = "%s count -%d" % (s, len(toc))
if snum:
title = "%s %s" % (snum, title)
s = "%s {%s}\n" % (s, title)
fp.write(s)
for entry in toc:
write_toc_entry(entry, fp, layer + 1)
def main():
bigpart = None
opts, args = getopt.getopt(sys.argv[1:], "c:")
if opts:
bigpart = opts[0][1]
if not args:
usage()
sys.exit(2)
for filename in args:
base, ext = os.path.splitext(filename)
ext = ext or ".toc"
toc = parse_toc(open(base + ext), bigpart)
write_toc(toc, open(base + ".bkm", "w"))
if __name__ == "__main__":
main()