MediaWiki:Gadget-edit-form-section-parser.js

var ESectionParser = {},
	EConstants = require( './edit-form-constants.js' );

ESectionParser.parse = function ( section ) {
	var i, targetSubsections,
		subsections = [],
		mode = null,
		code = section.code;

	if ( !section.title ) {
		mode = 'INTRO';
	} else {
		switch ( code ) {
			case 'pl':
			case 'pl-foreign':
				mode = 'POLISH';
				break;
			case 'zh-char':
				mode = 'CHINESE_SIGN';
				break;
			case 'zh':
				mode = 'CHINESE';
				break;
			case 'egy':
				mode = 'EGYPTIAN';
				break;
			case 'ko':
				mode = 'KOREAN';
				break;
			case 'ja':
				mode = 'JAPANESE';
				break;
			case 'eo':
				mode = 'ESPERANTO';
				break;
			case 'eom':
				mode = 'ESPERANTO_M';
				break;
			case 'inter':
				mode = 'INTERNATIONAL';
				break;
			default:
				mode = [];
				
				if ( $.inArray( code, EConstants.DOUBLE_LANGS ) !== -1 ) {
					mode.push( 'DOUBLE' );
				}
				
				if ( $.inArray( code, EConstants.NON_LATIN_LANGS ) !== -1 ) {
					mode.push( 'NON_LATIN' );
				} else {
					mode.push( 'LATIN' );
				}
				
				if ( mode.length === 1 ) {
					mode = mode[ 0 ];
				}
				
				break;
		}
	}
	
	subsections.push( {
		title:     '',
		content:   '',
		shortened: false,
		active:    true
	} );
	
	for ( i in EConstants.SUBSECTIONS.ALL ) {
		if ( EConstants.SUBSECTIONS.ALL.hasOwnProperty( i ) ) {
			subsections.push( {
				title:         EConstants.SUBSECTIONS.ALL[ i ],
				content:       '',
				shortened:     true,
				initcontent:   '',
				initmultiline: false,
				active:        true
			} );
		}
	}

	targetSubsections = Array.isArray( mode )
		? ESectionParser.combineModes( mode )
		: ( EConstants.SUBSECTIONS[ mode ] || [] );
	
	section.subsections = subsections;
	section.mode = mode;
	
	ESectionParser.parsePreparedSubsections( section, targetSubsections );
};
	
ESectionParser.combineModes = function ( modes ) {
	var hset = [], combined = [];
	
	$.each( modes, function ( i, mode ) {
		$.each( EConstants.SUBSECTIONS[ mode ], function ( j, value ) {
			hset[ EConstants.SUBSECTIONS.ALL.indexOf( value ) ] = true;
		} );
	} );
	
	$.each( hset, function ( i, v ) {
		if ( v ) {
			combined.push( EConstants.SUBSECTIONS.ALL[ i ] );
		}
	} );
	
	return combined;
};

ESectionParser.alternateTitle = function ( title ) {
	switch ( title ) {
		case 'transliteracja':
			return '|trans';
		case 'transkrypcja':
			return '|transkr';
		case 'kreski':
			return '|hanja-kreski';
		case 'przykłady':
			return '|użycie';
		default:
			return '';
	}
};

ESectionParser.parsePreparedSubsections = function ( section, targetSubsections ) {
	var i, j, title, alt, regex, sub, pos, repl, changed, firstbreak,
		str = section.content,
		subsections = section.subsections,
		positions = [];

	for ( i in subsections ) {
		if ( subsections.hasOwnProperty( i ) ) {
			title = subsections[ i ].title;
			alt = ESectionParser.alternateTitle( title );
			regex = new RegExp( '\\{\\{(' + title + alt + ')\\s*[\\|\\}]', 'g' );
			
			positions.push( {
				index: title === '' ? 0 : str.search( regex ),
				title: title
			} );
		}
	}
	
	positions.sort( function ( a, b ) {
		if ( !a.index && !b.index ) {
			return a.title ? 1 : -1;
		}
		
		return a.index - b.index;
	} );

	for ( i in subsections ) {
		if ( subsections.hasOwnProperty( i ) ) {
			sub = subsections[ i ];
			
			for ( j in positions ) {
				if ( positions.hasOwnProperty( j ) ) {
					j = parseInt( j, 10 );
					pos = positions[ j ];
					
					if ( pos.title === sub.title ) {
						if ( pos.index !== -1 ) {
							sub.content = ( j < positions.length - 1 )
								? $.trim( str.substring( pos.index, positions[ j + 1 ].index ) )
								: $.trim( str.substring( pos.index ) );
							
							alt = ESectionParser.alternateTitle( sub.title );
							repl = new RegExp( '\\{\\{(' + sub.title + alt + ')\\}\\}' );
							changed = sub.content.replace( repl, '' );

							if ( changed !== sub.content ) {
								firstbreak = changed.search( /\n/ );
								
								if (
									firstbreak !== -1 &&
									firstbreak < changed.search( /\S/ )
								) {
									sub.initmultiline = true;
								}
								
								sub.content = $.trim( changed );
							} else if (
								sub.content !== '' ||
								sub.title === ''
							) {
								sub.shortened = false;
							}
							
							if (
								targetSubsections.indexOf( pos.title ) === -1 &&
								sub.content === '' &&
								sub.title !== ''
							) {
								sub.active = false;
							} else {
								sub.initcontent = sub.content;
							}
							
							break;
						} else if ( targetSubsections.indexOf( pos.title ) === -1 ) {
							sub.active = false;
						}
					}
				}
			}
		}
	}
};

ESectionParser.obligatorySubsection = function ( subsection, section ) {
	return (
		subsection.title === 'znaczenia' &&
		section.mode !== 'CHINESE'
	);
};

ESectionParser.botSubsection = function ( subsection, section ) {
	return (
		subsection.title === 'wymowa' &&
		section.mode === 'POLISH' &&
		!subsection.content
	);
};

module.exports = ESectionParser;