mirror of
https://github.com/leanote/leanote-ios.git
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109 lines
4.1 KiB
JavaScript
Executable File
109 lines
4.1 KiB
JavaScript
Executable File
/**
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* The code of this function comes from the WordPress source code,
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* from file `wp-admin/js/editor.js`, so we can get 100% consistent results
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* with wp-admin.
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*/
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// Ensure the global `wp` object exists.
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window.wp = window.wp || {};
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(function(){
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/**
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* @brief Performs multiple transformations to the post source code when
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* loading, replacing newlines with pargraph elements.
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*
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* @param pee The string to transform
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*
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* @return Returns the transformed string
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*/
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wp.loadText = function( pee ) {
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if ( pee == null || !pee.trim() ) {
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// Just whitespace, null, or undefined
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return '';
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}
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var preserve_linebreaks = false,
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preserve_br = false,
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blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre' +
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'|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section' +
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'|article|aside|hgroup|header|footer|nav|figure|details|menu|summary';
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if ( pee.indexOf( '<object' ) !== -1 ) {
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pee = pee.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
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return a.replace( /[\r\n]+/g, '' );
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});
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}
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pee = pee.replace( /<[^<>]+>/g, function( a ){
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return a.replace( /[\r\n]+/g, ' ' );
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});
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// Protect pre|script tags
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if ( pee.indexOf( '<pre' ) !== -1 || pee.indexOf( '<script' ) !== -1 ) {
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preserve_linebreaks = true;
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pee = pee.replace( /<(pre|script)[^>]*>[\s\S]+?<\/\1>/g, function( a ) {
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return a.replace( /(\r\n|\n)/g, '<wp-line-break>' );
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});
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}
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// keep <br> tags inside captions and convert line breaks
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if ( pee.indexOf( '[caption' ) !== -1 ) {
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preserve_br = true;
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pee = pee.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
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// keep existing <br>
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a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );
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// no line breaks inside HTML tags
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a = a.replace( /<[a-zA-Z0-9]+( [^<>]+)?>/g, function( b ) {
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return b.replace( /[\r\n\t]+/, ' ' );
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});
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// convert remaining line breaks to <br>
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return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
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});
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}
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pee = pee + '\n\n';
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pee = pee.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
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pee = pee.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n$1' );
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pee = pee.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
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pee = pee.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' ); // hr is self closing block element
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pee = pee.replace( /\s*<option/gi, '<option' ); // No <p> or <br> around <option>
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pee = pee.replace( /<\/option>\s*/gi, '</option>' );
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pee = pee.replace( /\r\n|\r/g, '\n' );
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pee = pee.replace( /\n\s*\n+/g, '\n\n' );
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pee = pee.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
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pee = pee.replace( /<p>\s*?<\/p>/gi, '');
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pee = pee.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
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pee = pee.replace( /<p>(<li.+?)<\/p>/gi, '$1');
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pee = pee.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
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pee = pee.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
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pee = pee.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
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pee = pee.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
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pee = pee.replace( /\s*\n/gi, '<br />\n');
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pee = pee.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
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pee = pee.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );
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pee = pee.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
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pee = pee.replace( /(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g, function( a, b, c ) {
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if ( c.match( /<p( [^>]*)?>/ ) ) {
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return a;
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}
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return b + '<p>' + c + '</p>';
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});
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// put back the line breaks in pre|script
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if ( preserve_linebreaks ) {
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pee = pee.replace( /<wp-line-break>/g, '\n' );
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}
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if ( preserve_br ) {
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pee = pee.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
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}
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return pee;
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}
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}());
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