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# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-2020  Jean-Philippe Lang
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require File.expand_path('../../../../../test_helper', __FILE__)

class Redmine::WikiFormatting::HtmlParserTest < ActiveSupport::TestCase
  def setup
    @parser = Redmine::WikiFormatting::HtmlParser
  end

  def test_convert_line_breaks
    assert_equal(
      "A html snippet with\na new line.",
      @parser.to_text('<p>A html snippet with<br>a new line.</p>')
    )
  end

  def test_should_remove_style_tags_from_body
    assert_equal(
      "Text",
      @parser.to_text('<html><body><style>body {font-size: 0.8em;}</style>Text</body></html>')
    )
  end

  def test_should_remove_preceding_whitespaces
    to_test = {
      "<div>  blocks with</div>\n<p>\n  preceding whitespaces\n</p>" => "blocks with\n\npreceding whitespaces",
      "<div>blocks without</div>\n<p>\npreceding whitespaces\n</p>" => "blocks without\n\npreceding whitespaces",
      "<span>  span with</span>\n<span>  preceding whitespaces</span>" => "span with preceding whitespaces",
      "<span>span without</span>\n<span>preceding whitespaces</span>" => "span without preceding whitespaces"
    }
    to_test.each do |html, expected|
      assert_equal expected, @parser.to_text(html)
    end
  end

  def test_should_remove_space_of_beginning_of_line
    str = <<~HTML
      <table>
        <tr>
          <th>th1</th>
          <th>th2</th>
        </tr>
        <tr>
          <td>td1</td>
          <td>td2</td>
        </tr>
      </table>
    HTML
    assert_equal(
      "th1\n\nth2\n\ntd1\n\ntd2",
      @parser.to_text(str)
    )
  end
end
an class="n">footnoteSeparatorLength, boolean partOverflowRecovery, int columnCount) { super(topLevelLM, pvProvider, alignment, alignmentLast, footnoteSeparatorLength, partOverflowRecovery); this.columnCount = columnCount; this.considerTooShort = true; //This is important! } /** @see org.apache.fop.layoutmgr.BreakingAlgorithm */ protected double computeDemerits(KnuthNode activeNode, KnuthElement element, int fitnessClass, double r) { double dem = super.computeDemerits(activeNode, element, fitnessClass, r); if (log.isTraceEnabled()) { log.trace("original demerit=" + dem + " " + totalWidth + " line=" + activeNode.line + "/" + columnCount + " pos=" + activeNode.position + "/" + (par.size() - 1)); } int remParts = columnCount - activeNode.line; int curPos = par.indexOf(element); if (fullLen == 0) { fullLen = ElementListUtils.calcContentLength(par, activeNode.position, par.size() - 1); this.idealPartLen = (fullLen / columnCount); } int partLen = ElementListUtils.calcContentLength(par, activeNode.position, curPos - 1); int restLen = ElementListUtils.calcContentLength(par, curPos - 1, par.size() - 1); int avgRestLen = 0; if (remParts > 0) { avgRestLen = restLen / remParts; } if (log.isTraceEnabled()) { log.trace("remaining parts: " + remParts + " rest len: " + restLen + " avg=" + avgRestLen); } double balance = (idealPartLen - partLen) / 1000f; if (log.isTraceEnabled()) { log.trace("balance=" + balance); } double absBalance = Math.abs(balance); //Step 1: This does the rough balancing if (balance <= 0) { dem = absBalance; } else { //shorter parts are less desired than longer ones dem = absBalance * 1.2f; } //Step 2: This helps keep the trailing parts shorter than the previous ones dem += (avgRestLen) / 1000f; if (activeNode.line >= columnCount) { //We don't want more columns than available dem = Double.MAX_VALUE; } if (log.isTraceEnabled()) { log.trace("effective dem=" + dem + " " + totalWidth); } return dem; } }