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707b78ae26
Add the .nroff source file and a python script to generate the .txt version (requires the nroff command).
93 lines
2.1 KiB
Python
Executable File
93 lines
2.1 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Takes an .nroff source file and prints a text file in RFC format.
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#
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# Usage: rfc-format.py <source file>
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import re
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import sys
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from subprocess import Popen, PIPE
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def Readfile(fn):
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f = open(fn, "r")
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return f.read()
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def FixNroffOutput(buf):
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p = re.compile(r'(.*)FORMFEED(\[Page\s+\d+\])$')
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strip_empty = False
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out = ""
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for line in buf.split("\n"):
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line = line.replace("\xe2\x80\x99", "'")
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line = line.replace("\xe2\x80\x90", "-")
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for i in range(len(line)):
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if ord(line[i]) > 128:
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print >>sys.stderr, "Invalid character %d\n" % ord(line[i])
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m = p.search(line)
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if strip_empty and len(line) == 0:
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continue
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if m:
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out += p.sub(r'\1 \2\n\f', line)
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out += "\n"
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strip_empty = True
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else:
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out += "%s\n" % line
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strip_empty = False
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return out.rstrip("\n")
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def Nroff(buf):
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p = Popen(["nroff", "-ms"], stdin=PIPE, stdout=PIPE)
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out, err = p.communicate(input=buf)
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return FixNroffOutput(out)
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def FormatTocLine(section, title, page):
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line = ""
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level = 1
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if section:
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level = section.count(".")
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for i in range(level):
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line += " "
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if section:
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line += "%s " % section
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line += "%s " % title
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pagenum = "%d" % page
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nspace = 72 - len(line) - len(pagenum)
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if nspace % 2:
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line += " "
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for i in range(nspace / 2):
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line += ". "
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line += "%d\n" % page
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return line
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def CreateToc(buf):
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p1 = re.compile(r'^((\d+\.)+)\s+(.*)$')
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p2 = re.compile(r'^(Appendix [A-Z].)\s+(.*)$')
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p3 = re.compile(r'\[Page (\d+)\]$')
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found = 0
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page = 1
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out = ""
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for line in buf.split("\n"):
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m1 = p1.search(line)
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m2 = p2.search(line)
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m3 = p3.search(line)
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if m1:
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out += FormatTocLine(m1.group(1), m1.group(3), page)
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elif m2:
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out += FormatTocLine(m2.group(1), m2.group(2), page)
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elif line.startswith("Authors"):
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out += FormatTocLine(None, line, page)
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elif m3:
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page = int(m3.group(1)) + 1
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return out
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src = Readfile(sys.argv[1])
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out = Nroff(src)
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toc = CreateToc(out)
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src = src.replace("INSERT_TOC_HERE", toc)
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print Nroff(src)
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