mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-09 03:04:10 -04:00
Actually add HTML TOC generation.
This commit is contained in:
parent
dd613b5fa4
commit
66b401ea93
87
src/calibre/ebooks/oeb/transforms/htmltoc.py
Normal file
87
src/calibre/ebooks/oeb/transforms/htmltoc.py
Normal file
@ -0,0 +1,87 @@
|
||||
'''
|
||||
HTML-TOC-adding transform.
|
||||
'''
|
||||
from __future__ import with_statement
|
||||
|
||||
__license__ = 'GPL v3'
|
||||
__copyright__ = '2008, Marshall T. Vandegrift <llasram@gmail.com>'
|
||||
|
||||
import sys
|
||||
import os
|
||||
from lxml import etree
|
||||
from calibre.ebooks.oeb.base import XML, XHTML, XHTML_NS
|
||||
from calibre.ebooks.oeb.base import XHTML_MIME, CSS_MIME
|
||||
from calibre.ebooks.oeb.base import element
|
||||
|
||||
STYLE_CSS = {
|
||||
'nested': """
|
||||
.calibre_toc_header {
|
||||
text-align: center;
|
||||
}
|
||||
.calibre_toc_block {
|
||||
margin-left: 1.2em;
|
||||
text-indent: -1.2em;
|
||||
}
|
||||
.calibre_toc_block .calibre_toc_block {
|
||||
margin-left: 2.4em;
|
||||
}
|
||||
.calibre_toc_block .calibre_toc_block .calibre_toc_block {
|
||||
margin-left: 3.6em;
|
||||
}
|
||||
""",
|
||||
|
||||
'centered': """
|
||||
.calibre_toc_header {
|
||||
text-align: center;
|
||||
}
|
||||
.calibre_toc_block {
|
||||
text-align: center;
|
||||
}
|
||||
body > .calibre_toc_block {
|
||||
margin-top: 1.2em;
|
||||
}
|
||||
"""
|
||||
}
|
||||
|
||||
class HTMLTOCAdder(object):
|
||||
def __init__(self, style='nested'):
|
||||
self.style = style
|
||||
|
||||
def transform(self, oeb, context):
|
||||
if 'toc' in oeb.guide:
|
||||
return
|
||||
oeb.logger.info('Generating in-line TOC...')
|
||||
style = self.style
|
||||
if style not in STYLE_CSS:
|
||||
oeb.logger.error('Unknown TOC style %r' % style)
|
||||
style = 'nested'
|
||||
id, css_href = oeb.manifest.generate('tocstyle', 'tocstyle.css')
|
||||
oeb.manifest.add(id, css_href, CSS_MIME, data=STYLE_CSS[style])
|
||||
language = str(oeb.metadata.language[0])
|
||||
contents = element(None, XHTML('html'), nsmap={None: XHTML_NS},
|
||||
attrib={XML('lang'): language})
|
||||
head = element(contents, XHTML('head'))
|
||||
title = element(head, XHTML('title'))
|
||||
title.text = 'Table of Contents'
|
||||
element(head, XHTML('link'), rel='stylesheet', type=CSS_MIME,
|
||||
href=css_href)
|
||||
body = element(contents, XHTML('body'),
|
||||
attrib={'class': 'calibre_toc'})
|
||||
h1 = element(body, XHTML('h1'),
|
||||
attrib={'class': 'calibre_toc_header'})
|
||||
h1.text = 'Table of Contents'
|
||||
self.add_toc_level(body, oeb.toc)
|
||||
id, href = oeb.manifest.generate('contents', 'contents.xhtml')
|
||||
item = oeb.manifest.add(id, href, XHTML_MIME, data=contents)
|
||||
oeb.spine.add(item, linear=False)
|
||||
oeb.guide.add('toc', 'Table of Contents', href)
|
||||
|
||||
def add_toc_level(self, elem, toc):
|
||||
for node in toc:
|
||||
block = element(elem, XHTML('div'),
|
||||
attrib={'class': 'calibre_toc_block'})
|
||||
line = element(elem, XHTML('a'),
|
||||
attrib={'href': node.href,
|
||||
'class': 'calibre_toc_line'})
|
||||
line.text = node.title
|
||||
self.add_toc_level(block, node)
|
Loading…
x
Reference in New Issue
Block a user