1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
# encoding: utf-8
=begin
* Name: SiSU
** Description: documents, structuring, processing, publishing, search
*** system environment, resource control and configuration details
** Author: Ralph Amissah
<ralph@amissah.com>
<ralph.amissah@gmail.com>
** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Ralph Amissah,
All Rights Reserved.
** License: GPL 3 or later:
SiSU, a framework for document structuring, publishing and search
Copyright (C) Ralph Amissah
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
If you have Internet connection, the latest version of the GPL should be
available at these locations:
<http://www.fsf.org/licensing/licenses/gpl.html>
<http://www.gnu.org/licenses/gpl.html>
<http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
** SiSU uses:
* Standard SiSU markup syntax,
* Standard SiSU meta-markup syntax, and the
* Standard SiSU object citation numbering and system
** Hompages:
<http://www.jus.uio.no/sisu>
<http://www.sisudoc.org>
** Git
<http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
<http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/v5/ao_hash_digest.rb;hb=HEAD>
=end
module SiSU_AO_Hash
require_relative 'shared_markup_alt.rb' #shared_markup_alt.rb
class ObjectDigest
def initialize(md,data,env=nil)
@md,@data,@env=md,data,env
@env ||=SiSU_Env::InfoEnv.new(@md.fns,@md)
end
def object_digest
# 1. clean/stripped text without any markup, paragraph, headings etc. without endnotes
# 2. endnotes clean/stripped text digest only (there may be several endnotes within a paragraph)
# 3. whole object, text with markup and any endnotes, (question: with or without the endnote digests??? presumption better without, [however may be easier to check with?])
# [digests should not include other digests]
data=@data.compact
@tuned_file=[]
sha_ =@env.digest(@md.opt).type
begin
sha_ ? (require 'digest/sha2') : (require 'digest/md5')
rescue LoadError
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error(sha_ + ' NOT FOUND')
end
data.each do |t_o|
unless t_o.obj.is_a?(Array)
t_o.obj=t_o.obj.strip
end
if (t_o.of !=:structure \
&& t_o.of !=:comment \
&& t_o.of !=:layout) \
&& t_o.ocn.is_a?(Fixnum)
case sha_
when :sha512
for hash_class in [ Digest::SHA512 ]
@tuned_file << stamped(t_o,hash_class)
end
when :sha256
for hash_class in [ Digest::SHA256 ]
@tuned_file << stamped(t_o,hash_class)
end
when :md5
for hash_class in [ Digest::MD5 ]
@tuned_file << stamped(t_o,hash_class)
end
end
else @tuned_file << t_o unless t_o.nil?
end
end
@tuned_file=@tuned_file.flatten
#use md5 or to create hash of each ao object including ocn, & add into to each ao object
end
def endnote_digest(data)
t_o_bit=[]
data.each do |en_plus|
t_o_bit <<= case en_plus
when /#{Mx[:en_a_o]}|#{Mx[:en_b_o]}/
if en_plus =~/#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]}/
t_o_txt,en_open,en_txt,en_close=
/(.*?)(#{Mx[:en_a_o]}|#{Mx[:en_b_o]})(.+?)(#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/m.
match(en_plus)[1..4]
stripped_en=SiSU_TextRepresentation::Alter.new(en_txt).strip_clean_of_markup
digest_en_strip=case @env.digest(@md.opt).type
when :sha512
Digest::SHA512.hexdigest(stripped_en)
when :sha256
Digest::SHA256.hexdigest(stripped_en)
when :md5
Digest::MD5.hexdigest(stripped_en)
else
Digest::SHA256.hexdigest(stripped_en)
end
t_o_txt +
en_open +
en_txt +
Mx[:id_o] +
digest_en_strip +
Mx[:id_c] +
en_close
else STDERR.puts "Error Exception - problem encountered with:\n#{en_plus}" #arbitrary exception, tidy up
end
else en_plus
end
end
t_o_bit.join
end
def stamped(t_o,hash_class) #decide what hash information is most useful, is compromise necessary?
t_o.obj=SiSU_TextRepresentation::Alter.new(t_o).strip_clean_of_extra_spaces
#SiSU_TextRepresentation::Alter.new(t_o).strip_clean_of_markup #check
#SiSU_TextRepresentation::Alter.new(t_o).semi_revert_markup #check
#SiSU_TextRepresentation::ModifiedTextPlusHashDigest.new(@md,t_o).composite.dgst #check
unless t_o.is==:code
case t_o.obj
when /#{Mx[:en_a_o]}[\d*+]+\s+.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}[*+]\d+\s+.+?#{Mx[:en_b_c]}/m
en_and_t_o_digest=[]
t_o.obj=t_o.obj.
gsub(/\s*(#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/m,' \1') #watch
t_o_plus_en=t_o.obj.
scan(/.*?#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|.*?#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]}/m)
t_o_tail=if t_o.obj =~/(?:.*?#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|.*?#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})+([\s\S]+)/m
/(?:.*?#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|.*?#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})+.*/m.match(t_o.obj)[1]
else ''
end
t_o_plus_en << t_o_tail
en_and_t_o_digest << endnote_digest(t_o_plus_en)
en_and_t_o_digest.join(' ')
else #@tuned << t_o + Mx[:id_o] + digest_strip + ':' + digest_all + Mx[:id_c] unless t_o.nil?
end
else #@tuned << t_o + Mx[:id_o] + digest_strip + ':' + digest_all + Mx[:id_c] unless t_o.nil?
end
t_o #KEEP intact
end
def strip_clean_extra_spaces(s) # ao output tuned
s=s.dup
s=s.gsub(/[ ]+([,.;:?](?:$|\s))/,'\1') unless s =~/#{Mx[:en_a_o]}|#{Mx[:en_b_o]}/
s=s.gsub(/ [ ]+/,' ').
gsub(/^ [ ]+/,'').
gsub(/ [ ]+$/,'').
gsub(/((?:#{Mx[:fa_bold_c]}|#{Mx[:fa_italics_c]})')[ ]+(s )/,'\1\2').
gsub(/((?:#{Mx[:fa_bold_c]}|#{Mx[:fa_italics_c]})')[ ]+(s )/,'\1\2')
end
end
end
__END__
|
