mirror of
https://github.com/noDRM/DeDRM_tools.git
synced 2025-10-23 23:07:47 -04:00
290 lines
11 KiB
Python
290 lines
11 KiB
Python
#! /usr/bin/python
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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# For use with Topaz Scripts Version 2.6
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import csv
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import sys
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import os
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import getopt
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import re
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from struct import pack
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from struct import unpack
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debug = False
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class DocParser(object):
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def __init__(self, flatxml, fontsize, ph, pw):
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self.flatdoc = flatxml.split(b'\n')
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self.fontsize = int(fontsize)
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self.ph = int(ph) * 1.0
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self.pw = int(pw) * 1.0
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stags = {
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b'paragraph' : 'p',
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b'graphic' : '.graphic'
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}
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attr_val_map = {
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b'hang' : 'text-indent: ',
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b'indent' : 'text-indent: ',
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b'line-space' : 'line-height: ',
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b'margin-bottom' : 'margin-bottom: ',
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b'margin-left' : 'margin-left: ',
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b'margin-right' : 'margin-right: ',
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b'margin-top' : 'margin-top: ',
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b'space-after' : 'padding-bottom: ',
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}
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attr_str_map = {
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b'align-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
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b'align-left' : 'text-align: left;',
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b'align-right' : 'text-align: right;',
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b'align-justify' : 'text-align: justify;',
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b'display-inline' : 'display: inline;',
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b'pos-left' : 'text-align: left;',
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b'pos-right' : 'text-align: right;',
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b'pos-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
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}
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# find tag if within pos to end inclusive
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def findinDoc(self, tagpath, pos, end) :
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result = None
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docList = self.flatdoc
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cnt = len(docList)
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if end == -1 :
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end = cnt
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else:
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end = min(cnt,end)
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foundat = -1
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for j in range(pos, end):
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item = docList[j]
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if item.find(b'=') >= 0:
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(name, argres) = item.split(b'=',1)
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else :
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name = item
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argres = b''
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if (isinstance(tagpath,str)):
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tagpath = tagpath.encode('utf-8')
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if name.endswith(tagpath) :
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result = argres
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foundat = j
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break
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return foundat, result
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# return list of start positions for the tagpath
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def posinDoc(self, tagpath):
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startpos = []
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pos = 0
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res = b""
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while res != None :
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(foundpos, res) = self.findinDoc(tagpath, pos, -1)
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if res != None :
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startpos.append(foundpos)
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pos = foundpos + 1
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return startpos
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# returns a vector of integers for the tagpath
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def getData(self, tagpath, pos, end, clean=False):
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if clean:
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digits_only = re.compile(rb'''([0-9]+)''')
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argres=[]
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(foundat, argt) = self.findinDoc(tagpath, pos, end)
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if (argt != None) and (len(argt) > 0) :
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argList = argt.split(b'|')
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for strval in argList:
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if clean:
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m = re.search(digits_only, strval)
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if m != None:
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strval = m.group()
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argres.append(int(strval))
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return argres
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def process(self):
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classlst = ''
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csspage = '.cl-center { text-align: center; margin-left: auto; margin-right: auto; }\n'
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csspage += '.cl-right { text-align: right; }\n'
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csspage += '.cl-left { text-align: left; }\n'
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csspage += '.cl-justify { text-align: justify; }\n'
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# generate a list of each <style> starting point in the stylesheet
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styleList= self.posinDoc(b'book.stylesheet.style')
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stylecnt = len(styleList)
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styleList.append(-1)
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# process each style converting what you can
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if debug: print(' ', 'Processing styles.')
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for j in range(stylecnt):
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if debug: print(' ', 'Processing style %d' %(j))
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start = styleList[j]
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end = styleList[j+1]
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(pos, tag) = self.findinDoc(b'style._tag',start,end)
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if tag == None :
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(pos, tag) = self.findinDoc(b'style.type',start,end)
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# Is this something we know how to convert to css
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if tag in self.stags :
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# get the style class
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(pos, sclass) = self.findinDoc(b'style.class',start,end)
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if sclass != None:
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sclass = sclass.replace(b' ',b'-')
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sclass = b'.cl-' + sclass.lower()
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else :
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sclass = b''
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if debug: print('sclass', sclass)
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# check for any "after class" specifiers
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(pos, aftclass) = self.findinDoc(b'style._after_class',start,end)
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if aftclass != None:
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aftclass = aftclass.replace(b' ',b'-')
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aftclass = b'.cl-' + aftclass.lower()
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else :
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aftclass = b''
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if debug: print('aftclass', aftclass)
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cssargs = {}
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while True :
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(pos1, attr) = self.findinDoc(b'style.rule.attr', start, end)
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(pos2, val) = self.findinDoc(b'style.rule.value', start, end)
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if debug: print('attr', attr)
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if debug: print('val', val)
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if attr == None : break
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if (attr == b'display') or (attr == b'pos') or (attr == b'align'):
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# handle text based attributess
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attr = attr + b'-' + val
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if attr in self.attr_str_map :
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cssargs[attr] = (self.attr_str_map[attr], b'')
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else :
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# handle value based attributes
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if attr in self.attr_val_map :
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name = self.attr_val_map[attr]
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if attr in (b'margin-bottom', b'margin-top', b'space-after') :
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scale = self.ph
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elif attr in (b'margin-right', b'indent', b'margin-left', b'hang') :
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scale = self.pw
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elif attr == b'line-space':
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scale = self.fontsize * 2.0
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else:
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print("Scale not defined!")
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scale = 1.0
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if val == "":
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val = 0
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if not ((attr == b'hang') and (int(val) == 0)):
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try:
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f = float(val)
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except:
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print("Warning: unrecognised val, ignoring")
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val = 0
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pv = float(val)/scale
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cssargs[attr] = (self.attr_val_map[attr], pv)
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keep = True
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start = max(pos1, pos2) + 1
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# disable all of the after class tags until I figure out how to handle them
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if aftclass != "" : keep = False
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if keep :
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if debug: print('keeping style')
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# make sure line-space does not go below 100% or above 300% since
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# it can be wacky in some styles
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if b'line-space' in cssargs:
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seg = cssargs[b'line-space'][0]
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val = cssargs[b'line-space'][1]
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if val < 1.0: val = 1.0
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if val > 3.0: val = 3.0
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del cssargs[b'line-space']
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cssargs[b'line-space'] = (self.attr_val_map[b'line-space'], val)
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# handle modifications for css style hanging indents
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if b'hang' in cssargs:
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hseg = cssargs[b'hang'][0]
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hval = cssargs[b'hang'][1]
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del cssargs[b'hang']
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cssargs[b'hang'] = (self.attr_val_map[b'hang'], -hval)
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mval = 0
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mseg = 'margin-left: '
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mval = hval
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if b'margin-left' in cssargs:
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mseg = cssargs[b'margin-left'][0]
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mval = cssargs[b'margin-left'][1]
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if mval < 0: mval = 0
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mval = hval + mval
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cssargs[b'margin-left'] = (mseg, mval)
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if b'indent' in cssargs:
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del cssargs[b'indent']
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cssline = sclass + ' { '
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for key in iter(cssargs):
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mseg = cssargs[key][0]
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mval = cssargs[key][1]
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if mval == '':
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cssline += mseg + ' '
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else :
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aseg = mseg + '%.1f%%;' % (mval * 100.0)
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cssline += aseg + ' '
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cssline += '}'
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if sclass != '' :
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classlst += sclass + '\n'
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# handle special case of paragraph class used inside chapter heading
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# and non-chapter headings
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if sclass != '' :
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ctype = sclass[4:7]
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if ctype == 'ch1' :
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csspage += 'h1' + cssline + '\n'
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if ctype == 'ch2' :
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csspage += 'h2' + cssline + '\n'
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if ctype == 'ch3' :
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csspage += 'h3' + cssline + '\n'
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if ctype == 'h1-' :
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csspage += 'h4' + cssline + '\n'
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if ctype == 'h2-' :
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csspage += 'h5' + cssline + '\n'
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if ctype == 'h3_' :
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csspage += 'h6' + cssline + '\n'
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if cssline != ' { }':
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csspage += self.stags[tag] + cssline + '\n'
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return csspage, classlst
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def convert2CSS(flatxml, fontsize, ph, pw):
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print(' ', 'Using font size:',fontsize)
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print(' ', 'Using page height:', ph)
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print(' ', 'Using page width:', pw)
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# create a document parser
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dp = DocParser(flatxml, fontsize, ph, pw)
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if debug: print(' ', 'Created DocParser.')
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csspage = dp.process()
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if debug: print(' ', 'Processed DocParser.')
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return csspage
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def getpageIDMap(flatxml):
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dp = DocParser(flatxml, 0, 0, 0)
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pageidnumbers = dp.getData('info.original.pid', 0, -1, True)
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return pageidnumbers
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