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c0dc6ef4d0
Patch by daijiro fukuda (user:daipom). git-svn-id: https://svn.redmine.org/redmine/trunk@22906 e93f8b46-1217-0410-a6f0-8f06a7374b81
78 lines
2.4 KiB
Ruby
78 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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# Redmine - project management software
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# Copyright (C) 2006- Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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module Redmine
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module WikiFormatting
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module SectionHelper
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def get_section(index)
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section = extract_sections(index)[1]
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hash = ActiveSupport::Digest.hexdigest(section)
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return section, hash
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end
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def update_section(index, update, hash=nil)
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t = extract_sections(index)
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if hash.present? && hash != ActiveSupport::Digest.hexdigest(t[1])
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raise Redmine::WikiFormatting::StaleSectionError
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end
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t[1] = update unless t[1].blank?
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t.reject(&:blank?).join "\n\n"
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end
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def extract_sections(index)
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sections = [+'', +'', +'']
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offset = 0
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i = 0
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l = 1
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inside_pre = false
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@text.split(/(^(?:\S+\r?\n\r?(?:=+|-+)|#+ .+|(?:~~~|```).*)\s*$)/).each do |part|
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level = nil
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if part =~ /\A(~{3,}|`{3,})(\s*\S+)?\s*$/
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if !inside_pre
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inside_pre = true
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elsif !$2
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inside_pre = false
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end
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elsif inside_pre
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# nop
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elsif part =~ /\A(#+) .+/
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level = $1.size
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elsif part =~ /\A.+\r?\n\r?(=+|-+)\s*$/
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level = $1.include?('=') ? 1 : 2
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end
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if level
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i += 1
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if offset == 0 && i == index
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# entering the requested section
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offset = 1
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l = level
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elsif offset == 1 && i > index && level <= l
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# leaving the requested section
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offset = 2
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end
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end
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sections[offset] << part
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end
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sections.map(&:strip)
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end
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end
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end
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end
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