mirror of https://github.com/gnosygnu/xowa
gnosygnu
8 years ago
parent
bac00076b5
commit
6ee274efd6
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx.xowa.parsers.mws.tblws; import gplx.*; import gplx.xowa.*; import gplx.xowa.parsers.*; import gplx.xowa.parsers.mws.*;
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public class Xomw_tblw_wkr {
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private final Bry_bfr bfr = Bry_bfr_.New(), tmp_bfr = Bry_bfr_.New();
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private final List_adp
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td_history = List_adp_.New()
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, last_tag_history = List_adp_.New()
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, tr_history = List_adp_.New()
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, tr_attributes = List_adp_.New()
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, has_opened_tr = List_adp_.New()
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;
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private static final byte[]
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Bry__tblw_end = Bry_.new_a7("|}"), Bry__tr = Bry_.new_a7("|-"), Bry__th = Bry_.new_a7("|+")
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, Bry__special_case = Bry_.new_a7("<table>\n<tr><td></td></tr>\n</table>")
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;
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private static final int Len__special_case = Bry__special_case.length;
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public byte[] Do_table_stuff(byte[] src) {
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int src_len = src.length;
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byte[][] lines = Bry_split_.Split(src, 0, src_len, Byte_ascii.Nl_bry); // PORTED: $lines = StringUtils::explode( "\n", $text );
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int lines_len = lines.length;
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// PORTED:member variables
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// $td_history = []; // Is currently a td tag open?
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// $last_tag_history = []; // Save history of last lag activated (td, th or caption)
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// $tr_history = []; // Is currently a tr tag open?
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// $tr_attributes = []; // history of tr attributes
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// $has_opened_tr = []; // Did this table open a <tr> element?
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int indent_level = 0; // indent level of the table
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byte[] chars_2 = new byte[2];
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for (int i = 0; i < lines_len; i++) {
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byte[] line_orig = lines[i];
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byte[] line = Bry_.Trim(line_orig);
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int line_len = line.length;
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if (line_len == 0) { // empty line, go to next line
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bfr.Add(line_orig).Add_byte_nl();
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continue;
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}
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byte char_0 = line[0];
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chars_2[0] = line[0];
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if (line_len > 1) chars_2[1] = line[1];
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boolean is_indented_table = false;
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// ":*" , "\s*" , "{|" , ".*"
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if (is_indented_table) {
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// if ( preg_match( '/^(:*)\s*\{\|(.*)$/', $line, $matches ) ) {
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// // First check if we are starting a new table
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// $indent_level = strlen( $matches[1] );
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//
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// $attributes = $this->mStripState->unstripBoth( $matches[2] );
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// $attributes = Sanitizer::fixTagAttributes( $attributes, 'table' );
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//
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// line_orig = str_repeat( '<dl><dd>', $indent_level ) . "<table{$attributes}>";
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// array_push( $td_history, false );
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// array_push( $last_tag_history, '' );
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// array_push( $tr_history, false );
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// array_push( $tr_attributes, '' );
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// array_push( $has_opened_tr, false );
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}
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else if (td_history.Len() == 0) {
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// Don't do any of the following
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bfr.Add(line_orig).Add_byte_nl();
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continue;
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}
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else if (Bry_.Eq(chars_2, Bry__tblw_end)) {
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// We are ending a table
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line = tmp_bfr.Add_str_a7("</table>").Add_mid(line, 2, line.length).To_bry_and_clear();
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byte[] last_tag = (byte[])List_adp_.Pop(last_tag_history);
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if (has_opened_tr.Len() == 0) {
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line = tmp_bfr.Add_str_a7("<tr><td></td></tr>").Add(line).To_bry_and_clear();
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}
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if (tr_history.Len() > 0) {
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List_adp_.Pop(tr_history);
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line = tmp_bfr.Add_str_a7("</tr>").Add(line).To_bry_and_clear();
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}
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if (td_history.Len() > 0) {
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List_adp_.Pop(td_history);
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line = tmp_bfr.Add_str_a7("</").Add(last_tag).Add_str_a7(">").Add(line).To_bry_and_clear();
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}
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List_adp_.Pop(tr_attributes);
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line_orig = tmp_bfr.Add(line).Add(Bry_.Repeat_bry(Bry_.new_a7("</dd></dl>"), indent_level)).To_bry_and_clear();
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}
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else if (Bry_.Eq(chars_2, Bry__tr)) {
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// // Now we have a table row
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// $line = preg_replace( '#^\|-+#', '', $line );
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//
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// // Whats after the tag is now only attributes
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// $attributes = $this->mStripState->unstripBoth( $line );
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// $attributes = Sanitizer::fixTagAttributes( $attributes, 'tr' );
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// array_pop( $tr_attributes );
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// array_push( $tr_attributes, $attributes );
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//
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// $line = '';
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// $last_tag = array_pop( $last_tag_history );
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// array_pop( $has_opened_tr );
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// array_push( $has_opened_tr, true );
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//
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// if ( array_pop( $tr_history ) ) {
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// $line = '</tr>';
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// }
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//
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// if ( array_pop( $td_history ) ) {
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// $line = "</{$last_tag}>{$line}";
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// }
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//
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// line_orig = $line;
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// array_push( $tr_history, false );
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// array_push( $td_history, false );
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// array_push( $last_tag_history, '' );
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}
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else if ( char_0 == Byte_ascii.Pipe
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|| char_0 == Byte_ascii.Bang
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|| Bry_.Eq(chars_2, Bry__th)
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) {
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// This might be cell elements, td, th or captions
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// if ( $first_two === '|+' ) {
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// $first_character = '+';
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// $line = substr( $line, 2 );
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// } else {
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// $line = substr( $line, 1 );
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// }
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//
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// // Implies both are valid for table headings.
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// if ( $first_character === '!' ) {
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// $line = StringUtils::replaceMarkup( '!!', '||', $line );
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// }
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//
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// // Split up multiple cells on the same line.
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// // FIXME : This can result in improper nesting of tags processed
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// // by earlier parser steps.
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// $cells = explode( '||', $line );
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//
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// line_orig = '';
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//
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// // Loop through each table cell
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// foreach ( $cells as $cell ) {
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// $previous = '';
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// if ( $first_character !== '+' ) {
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// $tr_after = array_pop( $tr_attributes );
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// if ( !array_pop( $tr_history ) ) {
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// $previous = "<tr{$tr_after}>\n";
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// }
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// array_push( $tr_history, true );
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// array_push( $tr_attributes, '' );
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// array_pop( $has_opened_tr );
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// array_push( $has_opened_tr, true );
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// }
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//
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// $last_tag = array_pop( $last_tag_history );
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//
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// if ( array_pop( $td_history ) ) {
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// $previous = "</{$last_tag}>\n{$previous}";
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// }
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//
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// if ( $first_character === '|' ) {
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// $last_tag = 'td';
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// } elseif ( $first_character === '!' ) {
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// $last_tag = 'th';
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// } elseif ( $first_character === '+' ) {
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// $last_tag = 'caption';
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// } else {
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// $last_tag = '';
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// }
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//
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// array_push( $last_tag_history, $last_tag );
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//
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// // A cell could contain both parameters and data
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// $cell_data = explode( '|', $cell, 2 );
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//
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// // Bug 553: Note that a '|' inside an invalid link should not
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// // be mistaken as delimiting cell parameters
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// if ( strpos( $cell_data[0], '[[' ) !== false ) {
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// $cell = "{$previous}<{$last_tag}>{$cell}";
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// } elseif ( count( $cell_data ) == 1 ) {
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// $cell = "{$previous}<{$last_tag}>{$cell_data[0]}";
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// } else {
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// $attributes = $this->mStripState->unstripBoth( $cell_data[0] );
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// $attributes = Sanitizer::fixTagAttributes( $attributes, $last_tag );
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// $cell = "{$previous}<{$last_tag}{$attributes}>{$cell_data[1]}";
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// }
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//
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// line_orig .= $cell;
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// array_push( $td_history, true );
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// }
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}
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bfr.Add(line_orig).Add_byte_nl();
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}
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// Closing open td, tr && table
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while (td_history.Len() > 0) {
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if (tr_history.Len() > 0) {
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List_adp_.Del_at_last(tr_history);
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bfr.Add_str_a7("</td>\n");
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}
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if (has_opened_tr.Len() == 0) {
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bfr.Add_str_a7("<tr><td></td></tr>\n");
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}
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bfr.Add_str_a7("</table>\n");
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}
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// Remove trailing line-ending (b/c)
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if (bfr.Get_at_last_or_nil_if_empty() == Byte_ascii.Nl) {
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bfr.Del_by_1();
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}
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// special case: don't return empty table
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if ( bfr.Len() == Len__special_case
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&& Bry_.Eq(bfr.Bfr(), 0, Len__special_case, Bry__special_case)) {
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return Bry_.Empty;
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}
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return bfr.To_bry_and_clear();
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}
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}
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