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#! /usr/bin/env python3
# -*- coding: UTF-8 -*-
from zzipdoc.match import Match
class DocbookDocument:
""" binds some xml content page with additional markup - in this
variant we set the rootnode container to 'reference' and the DTD
to the Docbook 4.1.2 version. Modify as you like."""
has_title_child = [ "book", "chapter", "section", "reference" ]
docbook_dtd = (
' PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"'+"\n"+
' "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"')
def __init__(self, o, filename = None):
self.o = o
self.rootnode = "reference"
self.filename = filename
self.title = ""
self.text = []
def add(self, text):
""" add some content """
self.text += [ text ]
return self
def get_title(self):
if self.title: return title
try: return self.text[0].get_title()
except Exception as e: pass
return self.title
def _xml_doctype(self, rootnode):
return "<!DOCTYPE "+rootnode+self.docbook_dtd+">"
def _xml_text(self, xml):
""" accepts adapter objects with .xml_text() """
try: return xml.xml_text()
except Exception as e: print("DocbookDocument/text " + e); pass
return str(xml)
def _fetch_rootnode(self, text):
fetch = Match(r"^[^<>]*<(\w+)\b")
if text & fetch: return fetch[1]
return self.rootnode
def _filename(self, filename):
if filename is not None:
self.filename = filename
filename = self.filename
if not filename & Match(r"\.\w+$"):
ext = self.o.docbook
if not ext: ext = "docbook"
filename += "."+ext
return filename
def save(self, filename = None):
filename = self._filename(filename)
print("writing '"+filename+"'")
if len(self.text) > 1:
self.save_all(filename)
else:
self.save_text(filename, self.text[0])
def save_text(self, filename, text):
try:
fd = open(filename, "w")
xml_text = self._xml_text(text)
rootnode = self._fetch_rootnode(xml_text)
doctype = self._xml_doctype(rootnode)
print(doctype, file=fd)
print(xml_text, file=fd)
fd.close()
return True
except IOError as e:
print("could not open '"+filename+"'file" + str(e))
return False
def save_all(self, filename):
assert len(self.text) > 1
try:
fd = open(filename, "w")
xml_text = self._xml_text(self.text[0])
rootnode = self._fetch_rootnode(xml_text)
if rootnode == self.rootnode:
rootnode = "book"
else:
rootnode = self.rootnode
doctype = self._xml_doctype(rootnode)
print(doctype, file=fd)
title = self.get_title()
if title and self.rootnode in self.has_title_child:
print("<"+self.rootnode+'><title>'+title+'</title>', file=fd)
elif title:
print("<"+self.rootnode+' id="'+title+'">', file=fd)
else:
print("<"+self.rootnode+'>', file=fd)
for text in self.text:
text = self._xml_text(text)
print(text)
print("</"+self.rootnode+">", file=fd)
fd.close()
return True
except IOError as e:
print("could not open '"+filename+"'file" + str(e))
return False
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