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https://github.com/jzillmann/pdf-to-markdown.git
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separate type and format for a word
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@ -5,7 +5,6 @@ import CalculateGlobalStats from './transformations/textitem/CalculateGlobalStat
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import CompactLines from './transformations/textitem/CompactLines.jsx';
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import RemoveRepetitiveElements from './transformations/textitem/RemoveRepetitiveElements.jsx'
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import VerticalToHorizontal from './transformations/textitem/VerticalToHorizontal.jsx';
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import PostprocessLines from './transformations/textitem/PostprocessLines.jsx';
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import DetectTOC from './transformations/textitem/DetectTOC.jsx'
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import DetectListItems from './transformations/textitem/DetectListItems.jsx'
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import DetectHeaders from './transformations/textitem/DetectHeaders.jsx'
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@ -56,7 +55,6 @@ export default class AppState {
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new CompactLines(),
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new RemoveRepetitiveElements(),
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new VerticalToHorizontal(),
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// new PostprocessLines(),
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new DetectTOC(),
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new DetectHeaders(),
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new DetectListItems(),
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@ -41,7 +41,8 @@ export default class LineConverter {
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parsedElements: new ParsedElements({
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footnoteLinks: wordStream.footnoteLinks,
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footnotes: wordStream.footnotes,
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containLinks: wordStream.containLinks
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containLinks: wordStream.containLinks,
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formattedWords: wordStream.formattedWords
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})
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});
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@ -116,27 +117,25 @@ class WordDetectionStream extends StashingStream {
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itemsToWords(items, format) {
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const combinedText = combineText(items);
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// const combinedText = items.map(textItem => textItem.text).join('');
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const words = combinedText.split(' ');
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return words.filter(w => w.trim().length > 0).map(word => {
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var type = null;
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if (word.startsWith('http:')) {
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this.containLinks = true;
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return new Word({
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string: word,
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type: WordType.LINK
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});
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type = WordType.LINK;
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} else if (word.startsWith('www.')) {
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this.containLinks = true;
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word = `http://${word}`
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return new Word({
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string: word,
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type: WordType.LINK
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});
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type = WordType.LINK;
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}
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if (format) {
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this.formattedWords++;
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}
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return new Word({
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string: word,
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type: format
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type: type,
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format: format
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});
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});
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}
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@ -18,12 +18,14 @@ export class ParsedElements {
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this.footnoteLinks = options.footnoteLinks || [];
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this.footnotes = options.footnotes || [];
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this.containLinks = options.containLinks;
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this.formattedWords = options.formattedWords;
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}
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add(parsedElements) {
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this.footnoteLinks = this.footnoteLinks.concat(parsedElements.footnoteLinks);
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this.footnotes = this.footnotes.concat(parsedElements.footnotes);
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this.containLinks = this.containLinks || parsedElements.containLinks;
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this.formattedWords += parsedElements.formattedWords;
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}
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}
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@ -3,6 +3,7 @@ export default class Word {
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constructor(options) {
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this.string = options.string;
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this.type = options.type; // WordType
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this.format = options.format; // WordFormat
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}
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}
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21
src/javascript/models/markdown/WordFormat.jsx
Normal file
21
src/javascript/models/markdown/WordFormat.jsx
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@ -0,0 +1,21 @@
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import { Enum } from 'enumify';
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// The format of a word element
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export default class WordFormat extends Enum {
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}
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WordFormat.initEnum({
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BOLD: {
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startSymbol: '**',
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endSymbol: '**',
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},
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OBLIQUE: {
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startSymbol: '_',
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endSymbol: '_',
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},
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BOLD_OBLIQUE: {
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startSymbol: '**_',
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endSymbol: '_**',
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}
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});
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@ -23,21 +23,6 @@ WordType.initEnum({
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toText(string) {
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return `(^${string})`
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}
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},
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BOLD: {
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format: true,
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startSymbol: '**',
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endSymbol: '**',
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},
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OBLIQUE: {
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format: true,
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startSymbol: '_',
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endSymbol: '_',
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},
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BOLD_OBLIQUE: {
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format: true,
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startSymbol: '**_',
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endSymbol: '_**',
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}
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});
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@ -53,23 +38,22 @@ export function linesToText(lineItems, disableInlineFormats) {
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lineItems.forEach((line, lineIndex) => {
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line.words.forEach((word, i) => {
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const wordType = word.type;
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if (openFormat && (!wordType || wordType !== openFormat)) {
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const wordFormat = word.format;
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if (openFormat && (!wordFormat || wordFormat !== openFormat)) {
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closeFormat();
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}
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if (i > 0 && !(wordType && wordType.attachWithoutWhitespace) && !isPunctationCharacter(word.string)) {
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text += ' ';
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}
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if (wordFormat && !openFormat && (!disableInlineFormats)) {
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openFormat = wordFormat;
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text += openFormat.startSymbol;
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}
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if (wordType && (!disableInlineFormats || wordType.plainTextFormat)) {
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if (wordType.format) {
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if (!openFormat) {
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openFormat = wordType;
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text += openFormat.startSymbol;
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}
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text += word.string;
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} else {
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text += wordType.toText(word.string);
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}
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text += wordType.toText(word.string);
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} else {
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text += word.string;
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}
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@ -86,7 +70,7 @@ function firstFormat(lineItem) {
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if (lineItem.words.length == 0) {
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return null;
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}
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return lineItem.words[0].type;
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return lineItem.words[0].format;
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}
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function isPunctationCharacter(string) {
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@ -1,6 +1,6 @@
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import ToTextItemTransformation from '../ToTextItemTransformation.jsx';
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import ParseResult from '../../ParseResult.jsx';
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import WordType from '../../markdown/WordType.jsx';
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import WordFormat from '../../markdown/WordFormat.jsx';
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export default class CalculateGlobalStats extends ToTextItemTransformation {
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@ -54,20 +54,20 @@ export default class CalculateGlobalStats extends ToTextItemTransformation {
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this.fontMap.forEach(function(value, key) {
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fontIdToName.push(key + " = " + value.name)
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const fontName = value.name.toLowerCase();
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var type;
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var format;
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if (key == mostUsedFont) {
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type = null;
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format = null;
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} else if (fontName.includes('bold') && (fontName.includes('oblique') || fontName.includes('italic'))) {
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type = WordType.BOLD_OBLIQUE;
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format = WordFormat.BOLD_OBLIQUE;
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} else if (fontName.includes('bold')) {
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type = WordType.BOLD;
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format = WordFormat.BOLD;
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} else if (fontName.includes('oblique') || fontName.includes('italic')) {
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type = WordType.OBLIQUE;
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format = WordFormat.OBLIQUE;
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} else if (fontName === maxHeightFont) {
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type = WordType.BOLD;
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format = WordFormat.BOLD;
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}
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if (type) {
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fontToFormats.set(key, type);
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if (format) {
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fontToFormats.set(key, format);
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}
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});
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fontIdToName.sort();
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@ -48,6 +48,9 @@ export default class CompactLines extends ToLineItemTransformation {
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}
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lineItems.push(lineItem);
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if (lineItem.parsedElements.formattedWords) {
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formattedWords += lineItem.parsedElements.formattedWords;
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}
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if (lineItem.parsedElements.containLinks > 0) {
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linkCount++;
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}
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@ -1,75 +0,0 @@
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import ToTextItemTransformation from '../ToTextItemTransformation.jsx';
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import ParseResult from '../../ParseResult.jsx';
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import TextItem from '../../TextItem.jsx';
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import { ParsedElements } from '../../PageItem.jsx';
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import { REMOVED_ANNOTATION, ADDED_ANNOTATION } from '../../Annotation.jsx';
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// Remove whitespace, detect links, etc...
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export default class PostprocessLines extends ToTextItemTransformation {
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constructor() {
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super("Remove Whitespace & Detect Links");
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this.showWhitespaces = true;
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}
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transform(parseResult:ParseResult) {
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var strippedWhitespace = 0;
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var foundLinks = 0;
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parseResult.pages.forEach(page => {
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const newItems = [];
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page.items.forEach(lineItem => {
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newItems.push(lineItem);
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var words = lineItem.text.split(' ');
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var newWords = [];
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var foundSuperflousNewLine = false;
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var foundLink = false;
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words.forEach(word => {
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if (word.trim().length == 0) {
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foundSuperflousNewLine = true;
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strippedWhitespace++;
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} else {
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if (word.startsWith('http:')) {
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foundLinks++;
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foundLink = true;
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newWords.push(`[${word}](${word})`);
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} else if (word.startsWith('www.')) {
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foundLinks++;
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foundLink = true;
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newWords.push(`[http://${word}](http://${word})`);
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} else {
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newWords.push(word);
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}
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}
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});
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if (foundSuperflousNewLine || foundLink) {
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lineItem.annotation = REMOVED_ANNOTATION;
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if (newWords.length > 0) {
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newItems.push(new TextItem({
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...lineItem,
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text: newWords.join(' '),
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annotation: ADDED_ANNOTATION,
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parsedElements: new ParsedElements({
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...lineItem.parsedElements,
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containLinks: foundLink
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})
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}));
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}
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}
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});
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page.items = newItems;
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});
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return new ParseResult({
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...parseResult,
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messages: [
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'Stripped ' + strippedWhitespace + ' superflous whitespaces',
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'Found ' + foundLinks + ' links',
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]
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});
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}
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}
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