Clari-002: render document data as markdown

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/markdown/DocumentDataParser.java

@@ -0,0 +1,229 @@
+package com.knecon.fforesight.service.layoutparser.processor.markdown;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.stream.Stream;
+
+import org.commonmark.ext.gfm.tables.TableBlock;
+import org.commonmark.ext.gfm.tables.TableBody;
+import org.commonmark.ext.gfm.tables.TableCell;
+import org.commonmark.ext.gfm.tables.TableHead;
+import org.commonmark.ext.gfm.tables.TableRow;
+import org.commonmark.node.Document;
+import org.commonmark.node.Emphasis;
+import org.commonmark.node.Heading;
+import org.commonmark.node.Node;
+import org.commonmark.node.StrongEmphasis;
+import org.commonmark.node.Text;
+
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Headline;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Paragraph;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.SemanticNode;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Table;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.textblock.TextBlock;
+
+import lombok.experimental.UtilityClass;
+
+@UtilityClass
+public class DocumentDataParser {
+
+    public Document parse(Stream<SemanticNode> semanticNodes) {
+
+        Document document = new Document();
+        semanticNodes.map(DocumentDataParser::parseNode)
+                .filter(Objects::nonNull)
+                .forEach(document::appendChild);
+        return document;
+    }
+
+
+    private Node parseNode(SemanticNode semanticNode) {
+
+        return switch (semanticNode.getType()) {
+            case HEADLINE -> parseHeadline((Headline) semanticNode);
+            case PARAGRAPH -> parseParagraph((Paragraph) semanticNode);
+            case TABLE -> parseTable((Table) semanticNode);
+            default -> null;
+        };
+    }
+
+
+    private TableBlock parseTable(Table table) {
+
+        TableBlock tableNode = new TableBlock();
+        TableHead head = new TableHead();
+        TableRow tableRow = createTableRow(table, 0);
+        head.appendChild(tableRow);
+        int row = 1;
+        for (; row < table.getNumberOfRows() && table.streamRow(row)
+                .allMatch(com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.TableCell::isHeader); row++) {
+            head.appendChild(createTableRow(table, row));
+        }
+        tableNode.appendChild(head);
+        TableBody tableBody = new TableBody();
+        for (; row < table.getNumberOfRows(); row++) {
+            tableBody.appendChild(createTableRow(table, row));
+        }
+        tableNode.appendChild(tableBody);
+        return tableNode;
+    }
+
+
+    private TableRow createTableRow(Table table, int row) {
+
+        TableRow tableRow = new TableRow();
+        table.streamRow(row)
+                .map(DocumentDataParser::createTableCell)
+                .forEach(tableRow::appendChild);
+        return tableRow;
+    }
+
+
+    private Node createTableCell(com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.TableCell tc) {
+
+        var cell = new TableCell();
+        if (tc.isLeaf()) {
+            parseTextBlock(tc.getTextBlock()).forEach(cell::appendChild);
+        } else {
+            tc.streamChildren()
+                    .map(DocumentDataParser::parseNode)
+                    .filter(Objects::nonNull)
+                    .forEach(cell::appendChild);
+        }
+        return cell;
+    }
+
+
+    private org.commonmark.node.Paragraph parseParagraph(Paragraph paragraph) {
+
+        org.commonmark.node.Paragraph heading = new org.commonmark.node.Paragraph();
+        parseTextBlock(paragraph.getTextBlock()).forEach(heading::appendChild);
+        return heading;
+    }
+
+
+    private Heading parseHeadline(Headline headline) {
+
+        Heading heading = new Heading();
+        parseTextBlock(headline.getTextBlock()).forEach(heading::appendChild);
+        return heading;
+
+    }
+
+
+    private List<Node> parseTextBlock(TextBlock textBlock) {
+
+        List<Node> result = new ArrayList<>();
+        List<TextRangeWithTextType> textRanges = mergeTextStyles(textBlock);
+        for (TextRangeWithTextType textRange : textRanges) {
+            switch (textRange.fontStyle()) {
+                case REGULAR -> result.add(new Text(textBlock.subSequenceWithLineBreaks(textRange.textRange())));
+                case BOLD -> {
+                    StrongEmphasis boldBlock = new StrongEmphasis();
+                    boldBlock.appendChild(new Text(textBlock.subSequenceWithLineBreaks(textRange.textRange())));
+                    result.add(boldBlock);
+                }
+                case ITALIC -> {
+                    Emphasis italicBlock = new Emphasis();
+                    italicBlock.appendChild(new Text(textBlock.subSequenceWithLineBreaks(textRange.textRange())));
+                    result.add(italicBlock);
+                }
+                case BOLD_ITALIC -> {
+                    Emphasis italicBlock = new Emphasis();
+
+                    StrongEmphasis boldBlock = new StrongEmphasis();
+                    boldBlock.appendChild(new Text(textBlock.subSequenceWithLineBreaks(textRange.textRange())));
+
+                    italicBlock.appendChild(boldBlock);
+                    result.add(italicBlock);
+                }
+            }
+        }
+        return result;
+    }
+
+
+    private List<TextRangeWithTextType> mergeTextStyles(TextBlock textBlock) {
+
+        List<TextRangeWithTextType> result = new ArrayList<>();
+
+        TreeMap<Integer, Set<FontStyle>> styleChanges = new TreeMap<>();
+
+        for (TextRange bold : textBlock.getBoldTextBoundaries()) {
+            styleChanges.computeIfAbsent(bold.start(), k -> new HashSet<>()).add(FontStyle.BOLD);
+            styleChanges.computeIfAbsent(bold.end(), k -> new HashSet<>()).add(FontStyle.REGULAR);
+        }
+
+        for (TextRange italic : textBlock.getItalicTextBoundaries()) {
+            styleChanges.computeIfAbsent(italic.start(), k -> new HashSet<>()).add(FontStyle.ITALIC);
+            styleChanges.computeIfAbsent(italic.end(), k -> new HashSet<>()).add(FontStyle.REGULAR);
+        }
+
+        if (styleChanges.isEmpty()) {
+            result.add(new TextRangeWithTextType(new TextRange(0, textBlock.length()), FontStyle.REGULAR));
+            return result;
+        }
+
+        int start = 0;
+        Set<FontStyle> currentStyles = new HashSet<>();
+        currentStyles.add(FontStyle.REGULAR);
+
+        for (Map.Entry<Integer, Set<FontStyle>> entry : styleChanges.entrySet()) {
+            int point = entry.getKey();
+            Set<FontStyle> changes = entry.getValue();
+
+            if (point > start) {
+                FontStyle style = determineFontStyle(currentStyles);
+                result.add(new TextRangeWithTextType(new TextRange(start, point), style));
+            }
+
+            currentStyles.removeAll(changes);
+            currentStyles.addAll(changes);
+            if (currentStyles.isEmpty()) {
+                currentStyles.add(FontStyle.REGULAR);
+            }
+
+            start = point;
+        }
+
+        if (start < textBlock.length()) {
+            FontStyle style = determineFontStyle(currentStyles);
+            result.add(new TextRangeWithTextType(new TextRange(start, textBlock.length()), style));
+        }
+
+        return result;
+    }
+
+
+    private FontStyle determineFontStyle(Set<FontStyle> styles) {
+
+        if (styles.contains(FontStyle.BOLD) && styles.contains(FontStyle.ITALIC)) {
+            return FontStyle.BOLD_ITALIC;
+        } else if (styles.contains(FontStyle.BOLD)) {
+            return FontStyle.BOLD;
+        } else if (styles.contains(FontStyle.ITALIC)) {
+            return FontStyle.ITALIC;
+        } else {
+            return FontStyle.REGULAR;
+        }
+    }
+
+
+    enum FontStyle {
+        REGULAR,
+        BOLD,
+        ITALIC,
+        BOLD_ITALIC;
+    }
+
+    record TextRangeWithTextType(TextRange textRange, FontStyle fontStyle) {
+
+    }
+
+}

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/TextRange.java

@@ -13,13 +13,13 @@ import lombok.Setter;
 @Setter
 @EqualsAndHashCode
 @SuppressWarnings("PMD.AvoidFieldNameMatchingMethodName")
-public class Boundary implements Comparable<Boundary> {
+public class TextRange implements Comparable<TextRange> {
 
     private int start;
     private int end;
 
 
-    public Boundary(int start, int end) {
+    public TextRange(int start, int end) {
 
         if (start > end) {
             throw new IllegalArgumentException(format("start: %d > end: %d", start, end));
@@ -47,15 +47,15 @@ public class Boundary implements Comparable<Boundary> {
     }
 
 
-    public boolean contains(Boundary boundary) {
+    public boolean contains(TextRange textRange) {
 
-        return start <= boundary.start() && boundary.end() <= end;
+        return start <= textRange.start() && textRange.end() <= end;
     }
 
 
-    public boolean containedBy(Boundary boundary) {
+    public boolean containedBy(TextRange textRange) {
 
-        return boundary.contains(this);
+        return textRange.contains(this);
     }
 
 
@@ -83,18 +83,18 @@ public class Boundary implements Comparable<Boundary> {
     }
 
 
-    public boolean intersects(Boundary boundary) {
+    public boolean intersects(TextRange textRange) {
 
-        return boundary.start() < this.end && this.start < boundary.end();
+        return textRange.start() < this.end && this.start < textRange.end();
     }
 
 
-    public List<Boundary> split(List<Integer> splitIndices) {
+    public List<TextRange> split(List<Integer> splitIndices) {
 
         if (splitIndices.stream().anyMatch(idx -> !this.contains(idx))) {
             throw new IndexOutOfBoundsException(format("%s splitting indices are out of range for %s", splitIndices.stream().filter(idx -> !this.contains(idx)).toList(), this));
         }
-        List<Boundary> splitBoundaries = new LinkedList<>();
+        List<TextRange> splitBoundaries = new LinkedList<>();
         int previousIndex = start;
         for (int splitIndex : splitIndices) {
 
@@ -102,10 +102,10 @@ public class Boundary implements Comparable<Boundary> {
             if (splitIndex == previousIndex) {
                 continue;
             }
-            splitBoundaries.add(new Boundary(previousIndex, splitIndex));
+            splitBoundaries.add(new TextRange(previousIndex, splitIndex));
             previousIndex = splitIndex;
         }
-        splitBoundaries.add(new Boundary(previousIndex, end));
+        splitBoundaries.add(new TextRange(previousIndex, end));
         return splitBoundaries;
     }
 
@@ -114,11 +114,11 @@ public class Boundary implements Comparable<Boundary> {
         return IntStream.range(start, end);
     }
 
-    public static Boundary merge(Collection<Boundary> boundaries) {
+    public static TextRange merge(Collection<TextRange> boundaries) {
 
-        int minStart = boundaries.stream().mapToInt(Boundary::start).min().orElseThrow(IllegalArgumentException::new);
+        int minStart = boundaries.stream().mapToInt(TextRange::start).min().orElseThrow(IllegalArgumentException::new);
-        int maxEnd = boundaries.stream().mapToInt(Boundary::end).max().orElseThrow(IllegalArgumentException::new);
+        int maxEnd = boundaries.stream().mapToInt(TextRange::end).max().orElseThrow(IllegalArgumentException::new);
-        return new Boundary(minStart, maxEnd);
+        return new TextRange(minStart, maxEnd);
     }
 
 
@@ -130,12 +130,12 @@ public class Boundary implements Comparable<Boundary> {
 
 
     @Override
-    public int compareTo(Boundary boundary) {
+    public int compareTo(TextRange textRange) {
 
-        if (end < boundary.end() && start < boundary.start()) {
+        if (end < textRange.end() && start < textRange.start()) {
             return -1;
         }
-        if (start > boundary.start() && end > boundary.end()) {
+        if (start > textRange.start() && end > textRange.end()) {
             return 1;
         }
 

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/entity/RedactionEntity.java

@@ -11,7 +11,7 @@ import java.util.Map;
 import java.util.Set;
 
 import com.iqser.red.service.persistence.service.v1.api.shared.model.redactionlog.Engine;
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Page;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.SemanticNode;
 import com.knecon.fforesight.service.layoutparser.processor.utils.IdBuilder;
@@ -32,7 +32,7 @@ public class RedactionEntity {
 
     // initial values
     @EqualsAndHashCode.Include
-    final Boundary boundary;
+    final TextRange textRange;
     @EqualsAndHashCode.Include
     final String type;
     @EqualsAndHashCode.Include
@@ -66,9 +66,9 @@ public class RedactionEntity {
     SemanticNode deepestFullyContainingNode;
 
 
-    public static RedactionEntity initialEntityNode(Boundary boundary, String type, EntityType entityType) {
+    public static RedactionEntity initialEntityNode(TextRange textRange, String type, EntityType entityType) {
 
-        return RedactionEntity.builder().type(type).entityType(entityType).boundary(boundary).engines(new HashSet<>()).references(new HashSet<>()).build();
+        return RedactionEntity.builder().type(type).entityType(entityType).textRange(textRange).engines(new HashSet<>()).references(new HashSet<>()).build();
     }
 
 
@@ -132,7 +132,7 @@ public class RedactionEntity {
     public List<RedactionPosition> getRedactionPositionsPerPage() {
 
         if (redactionPositionsPerPage == null || redactionPositionsPerPage.isEmpty()) {
-            Map<Page, List<Rectangle2D>> rectanglesPerLinePerPage = deepestFullyContainingNode.getTextBlock().getPositionsPerPage(boundary);
+            Map<Page, List<Rectangle2D>> rectanglesPerLinePerPage = deepestFullyContainingNode.getTextBlock().getPositionsPerPage(textRange);
 
             Page firstPage = rectanglesPerLinePerPage.keySet()
                     .stream()
@@ -157,19 +157,19 @@ public class RedactionEntity {
 
     public boolean containedBy(RedactionEntity redactionEntity) {
 
-        return this.boundary.containedBy(redactionEntity.getBoundary());
+        return this.textRange.containedBy(redactionEntity.getTextRange());
     }
 
 
     public boolean contains(RedactionEntity redactionEntity) {
 
-        return this.boundary.contains(redactionEntity.getBoundary());
+        return this.textRange.contains(redactionEntity.getTextRange());
     }
 
 
     public boolean intersects(RedactionEntity redactionEntity) {
 
-        return this.boundary.intersects(redactionEntity.getBoundary());
+        return this.textRange.intersects(redactionEntity.getTextRange());
     }
 
 
@@ -210,7 +210,7 @@ public class RedactionEntity {
         sb.append("Entity[\"");
         sb.append(value);
         sb.append("\", ");
-        sb.append(boundary);
+        sb.append(textRange);
         sb.append(", pages[");
         pages.forEach(page -> {
             sb.append(page.getNumber());

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/nodes/SemanticNode.java

@@ -14,7 +14,7 @@ import java.util.stream.Stream;
 
 import com.knecon.fforesight.service.layoutparser.internal.api.data.redaction.LayoutEngine;
 import com.knecon.fforesight.service.layoutparser.internal.api.data.redaction.NodeType;
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.DocumentTree;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.entity.EntityType;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.entity.RedactionEntity;
@@ -77,12 +77,12 @@ public interface SemanticNode {
      *
      * @return Set of PageNodes this node appears on.
      */
-    default Set<Page> getPages(Boundary boundary) {
+    default Set<Page> getPages(TextRange textRange) {
 
-        if (!getBoundary().contains(boundary)) {
+        if (!getBoundary().contains(textRange)) {
-            throw new IllegalArgumentException(format("%s which was used to query for pages is not contained in the %s of this node!", boundary, getBoundary()));
+            throw new IllegalArgumentException(format("%s which was used to query for pages is not contained in the %s of this node!", textRange, getBoundary()));
         }
-        return getTextBlock().getPages(boundary);
+        return getTextBlock().getPages(textRange);
     }
 
 
@@ -328,13 +328,13 @@ public interface SemanticNode {
     default void addThisToEntityIfIntersects(RedactionEntity redactionEntity) {
 
         TextBlock textBlock = getTextBlock();
-        if (textBlock.getBoundary().intersects(redactionEntity.getBoundary())) {
+        if (textBlock.getTextRange().intersects(redactionEntity.getTextRange())) {
-            if (textBlock.containsBoundary(redactionEntity.getBoundary())) {
+            if (textBlock.containsBoundary(redactionEntity.getTextRange())) {
                 redactionEntity.setDeepestFullyContainingNode(this);
             }
 
             redactionEntity.addIntersectingNode(this);
-            streamChildren().filter(semanticNode -> semanticNode.getBoundary().intersects(redactionEntity.getBoundary()))
+            streamChildren().filter(semanticNode -> semanticNode.getBoundary().intersects(redactionEntity.getTextRange()))
                     .forEach(node -> node.addThisToEntityIfIntersects(redactionEntity));
         }
     }
@@ -406,9 +406,9 @@ public interface SemanticNode {
      *
      * @return Boundary of this Node's TextBlock
      */
-    default Boundary getBoundary() {
+    default TextRange getBoundary() {
 
-        return getTextBlock().getBoundary();
+        return getTextBlock().getTextRange();
     }
 
 

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/textblock/AtomicTextBlock.java

@@ -10,10 +10,12 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 import com.knecon.fforesight.service.layoutparser.internal.api.data.redaction.DocumentPositionData;
 import com.knecon.fforesight.service.layoutparser.internal.api.data.redaction.DocumentTextData;
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Page;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.SemanticNode;
 import com.knecon.fforesight.service.layoutparser.processor.utils.RectangleTransformations;
@@ -36,14 +38,14 @@ public class AtomicTextBlock implements TextBlock {
     Page page;
 
     //string coordinates
-    Boundary boundary;
+    TextRange textRange;
     String searchText;
     @Builder.Default
     List<Integer> lineBreaks = new ArrayList<>();
     @Builder.Default
-    List<Boundary> boldTextBoundaries = new ArrayList<>();
+    List<TextRange> boldTextBoundaries = new ArrayList<>();
     @Builder.Default
-    List<Boundary> italicTextBoundaries = new ArrayList<>();
+    List<TextRange> italicTextBoundaries = new ArrayList<>();
     String orientation;
     int textDirection;
 
@@ -64,10 +66,44 @@ public class AtomicTextBlock implements TextBlock {
     }
 
 
+    @Override
+    public String subSequenceWithLineBreaks(TextRange stringTextRange) {
+
+        if (stringTextRange.length() == 0 || !getTextRange().contains(stringTextRange)) {
+            return "";
+        }
+
+        Set<Integer> lbInBoundary = lineBreaks.stream()
+                .map(i -> i + stringTextRange.start())
+                .filter(stringTextRange::contains)
+                .collect(Collectors.toSet());
+        if (stringTextRange.end() == getTextRange().end()) {
+            lbInBoundary.add(getTextRange().end());
+        }
+        StringBuilder sb = new StringBuilder();
+        for (int i = stringTextRange.start(); i < stringTextRange.end(); i++) {
+            char character = this.charAt(i);
+            if (lbInBoundary.contains(i + 1)) {
+                // always plus one, due to the linebreaks being an exclusive end index
+                if (!Character.isWhitespace(character)) {
+                    lbInBoundary.remove(i + 1);
+                    lbInBoundary.add(i + 2);
+                    sb.append(character);
+                    continue;
+                }
+                sb.append("\n");
+            } else {
+                sb.append(character);
+            }
+        }
+        return sb.toString();
+    }
+
+
     public static AtomicTextBlock fromSearchTextWithTextPosition(String searchText,
                                                                  List<Integer> lineBreaks,
-                                                                 List<Boundary> boldTextBoundaries,
+                                                                 List<TextRange> boldTextBoundaries,
-                                                                 List<Boundary> italicTextBoundaries,
+                                                                 List<TextRange> italicTextBoundaries,
                                                                  List<Rectangle2D> positions,
                                                                  List<Integer> stringIdxToPositionIdx,
                                                                  long idx,
@@ -89,7 +125,7 @@ public class AtomicTextBlock implements TextBlock {
                 .italicTextBoundaries(italicTextBoundaries)
                 .positions(positions)
                 .stringIdxToPositionIdx(stringIdxToPositionIdx)
-                .boundary(new Boundary(offset, offset + searchText.length()))
+                .textRange(new TextRange(offset, offset + searchText.length()))
                 .textDirection(textDirection)
                 .orientation(orientation)
                 .build();
@@ -100,7 +136,7 @@ public class AtomicTextBlock implements TextBlock {
 
         return AtomicTextBlock.builder()
                 .id(textBlockIdx)
-                .boundary(new Boundary(stringOffset, stringOffset))
+                .textRange(new TextRange(stringOffset, stringOffset))
                 .searchText("")
                 .page(page)
                 .numberOnPage(numberOnPage)
@@ -118,7 +154,7 @@ public class AtomicTextBlock implements TextBlock {
                 .id(documentTextData.getId())
                 .numberOnPage(documentTextData.getNumberOnPage())
                 .page(page)
-                .boundary(new Boundary(documentTextData.getStart(), documentTextData.getEnd()))
+                .textRange(new TextRange(documentTextData.getStart(), documentTextData.getEnd()))
                 .searchText(documentTextData.getSearchText())
                 .lineBreaks(Arrays.stream(documentTextData.getLineBreaks()).boxed().toList())
                 .stringIdxToPositionIdx(Arrays.stream(documentPositionData.getStringIdxToPositionIdx()).boxed().toList())
@@ -140,11 +176,11 @@ public class AtomicTextBlock implements TextBlock {
             throw new IndexOutOfBoundsException(format("line %d out of range for AtomicTextBlock with %d lines", lineNumber, numberOfLines()));
         }
         if (lineNumber == 0) {
-            return subSequence(boundary.start(), lineBreaks.get(0) + boundary.start());
+            return subSequence(textRange.start(), lineBreaks.get(0) + textRange.start());
         } else if (lineNumber == numberOfLines() - 1) {
-            return subSequence(lineBreaks.get(lineBreaks.size() - 1) + boundary.start(), boundary.end());
+            return subSequence(lineBreaks.get(lineBreaks.size() - 1) + textRange.start(), textRange.end());
         }
-        return subSequence(lineBreaks.get(lineNumber - 1) + boundary.start(), lineBreaks.get(lineNumber) + boundary.start());
+        return subSequence(lineBreaks.get(lineNumber - 1) + textRange.start(), lineBreaks.get(lineNumber) + textRange.start());
     }
 
 
@@ -159,9 +195,9 @@ public class AtomicTextBlock implements TextBlock {
     public int getNextLinebreak(int fromIndex) {
 
         return lineBreaks.stream()//
-                .filter(linebreak -> linebreak > fromIndex - boundary.start()) //
+                .filter(linebreak -> linebreak > fromIndex - textRange.start()) //
                 .findFirst() //
-                .orElse(searchText.length()) + boundary.start();
+                .orElse(searchText.length()) + textRange.start();
     }
 
 
@@ -169,43 +205,43 @@ public class AtomicTextBlock implements TextBlock {
     public int getPreviousLinebreak(int fromIndex) {
 
         return lineBreaks.stream()//
-                .filter(linebreak -> linebreak <= fromIndex - boundary.start())//
+                .filter(linebreak -> linebreak <= fromIndex - textRange.start())//
                 .reduce((a, b) -> b)//
-                .orElse(0) + boundary.start();
+                .orElse(0) + textRange.start();
     }
 
 
     @Override
     public Rectangle2D getPosition(int stringIdx) {
 
-        return positions.get(stringIdxToPositionIdx.get(stringIdx - boundary.start()));
+        return positions.get(stringIdxToPositionIdx.get(stringIdx - textRange.start()));
     }
 
 
     @Override
-    public List<Rectangle2D> getPositions(Boundary stringBoundary) {
+    public List<Rectangle2D> getPositions(TextRange stringTextRange) {
 
-        if (!containsBoundary(stringBoundary)) {
+        if (!containsBoundary(stringTextRange)) {
-            throw new IndexOutOfBoundsException(format("%s is out of bounds for %s", stringBoundary, this.boundary));
+            throw new IndexOutOfBoundsException(format("%s is out of bounds for %s", stringTextRange, this.textRange));
         }
-        if (stringBoundary.length() == 0) {
+        if (stringTextRange.length() == 0) {
             return Collections.emptyList();
         }
 
-        int startPositionIdx = stringIdxToPositionIdx.get(stringBoundary.start() - this.boundary.start());
+        int startPositionIdx = stringIdxToPositionIdx.get(stringTextRange.start() - this.textRange.start());
 
-        if (stringBoundary.end() == this.boundary.end()) {
+        if (stringTextRange.end() == this.textRange.end()) {
             return positions.subList(startPositionIdx, positions.size());
         }
 
-        return positions.subList(startPositionIdx, stringIdxToPositionIdx.get(stringBoundary.end() - this.boundary.start()));
+        return positions.subList(startPositionIdx, stringIdxToPositionIdx.get(stringTextRange.end() - this.textRange.start()));
 
     }
 
 
-    public Map<Page, List<Rectangle2D>> getPositionsPerPage(Boundary stringBoundary) {
+    public Map<Page, List<Rectangle2D>> getPositionsPerPage(TextRange stringTextRange) {
 
-        List<Rectangle2D> rectanglesPerLine = stringBoundary.split(getAllLineBreaksInBoundary(stringBoundary))
+        List<Rectangle2D> rectanglesPerLine = stringTextRange.split(getAllLineBreaksInBoundary(stringTextRange))
                 .stream()
                 .map(this::getPositions)
                 .map(RectangleTransformations::rectangleBBoxWithGaps)
@@ -217,9 +253,9 @@ public class AtomicTextBlock implements TextBlock {
     }
 
 
-    private List<Integer> getAllLineBreaksInBoundary(Boundary boundary) {
+    private List<Integer> getAllLineBreaksInBoundary(TextRange textRange) {
 
-        return getLineBreaks().stream().map(linebreak -> linebreak + this.boundary.start()).filter(boundary::contains).toList();
+        return getLineBreaks().stream().map(linebreak -> linebreak + this.textRange.start()).filter(textRange::contains).toList();
     }
 
 

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/textblock/ConcatenatedTextBlock.java

@@ -11,7 +11,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Stream;
 
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Page;
 
 import lombok.AccessLevel;
@@ -24,7 +24,7 @@ public class ConcatenatedTextBlock implements TextBlock {
 
     List<AtomicTextBlock> atomicTextBlocks;
     String searchText;
-    Boundary boundary;
+    TextRange textRange;
 
 
     public static ConcatenatedTextBlock empty() {
@@ -37,29 +37,30 @@ public class ConcatenatedTextBlock implements TextBlock {
 
         this.atomicTextBlocks = new LinkedList<>();
         if (atomicTextBlocks.isEmpty()) {
-            boundary = new Boundary(-1, -1);
+            textRange = new TextRange(-1, -1);
             return;
         }
         var firstTextBlock = atomicTextBlocks.get(0);
         this.atomicTextBlocks.add(firstTextBlock);
-        boundary = new Boundary(firstTextBlock.getBoundary().start(), firstTextBlock.getBoundary().end());
+        textRange = new TextRange(firstTextBlock.getTextRange().start(), firstTextBlock.getTextRange().end());
 
-        atomicTextBlocks.subList(1, atomicTextBlocks.size()).forEach(this::concat);
+        atomicTextBlocks.subList(1, atomicTextBlocks.size())
+                .forEach(this::concat);
     }
 
 
     public ConcatenatedTextBlock concat(TextBlock textBlock) {
 
-        int start = textBlock.getBoundary().start();
+        int start = textBlock.getTextRange().start();
-        int end = textBlock.getBoundary().end();
+        int end = textBlock.getTextRange().end();
         if (this.atomicTextBlocks.isEmpty()) {
-            boundary.setStart(start);
+            textRange.setStart(start);
-            boundary.setEnd(end);
+            textRange.setEnd(end);
-        } else if (boundary.end() != start) {
+        } else if (textRange.end() != start) {
-            throw new UnsupportedOperationException(format("Can only concat consecutive TextBlocks, trying to concat %s and %s", boundary, textBlock.getBoundary()));
+            throw new UnsupportedOperationException(format("Can only concat consecutive TextBlocks, trying to concat %s and %s", textRange, textBlock.getTextRange()));
         }
         this.atomicTextBlocks.addAll(textBlock.getAtomicTextBlocks());
-        boundary.setEnd(end);
+        textRange.setEnd(end);
         this.searchText = null;
         return this;
     }
@@ -67,13 +68,18 @@ public class ConcatenatedTextBlock implements TextBlock {
 
     private AtomicTextBlock getAtomicTextBlockByStringIndex(int stringIdx) {
 
-        return atomicTextBlocks.stream().filter(textBlock -> textBlock.getBoundary().contains(stringIdx)).findAny().orElseThrow(IndexOutOfBoundsException::new);
+        return atomicTextBlocks.stream()
+                .filter(textBlock -> textBlock.getTextRange().contains(stringIdx))
+                .findAny()
+                .orElseThrow(IndexOutOfBoundsException::new);
     }
 
 
-    private List<AtomicTextBlock> getAllAtomicTextBlocksPartiallyInStringBoundary(Boundary boundary) {
+    private List<AtomicTextBlock> getAllAtomicTextBlocksPartiallyInStringBoundary(TextRange textRange) {
 
-        return atomicTextBlocks.stream().filter(tb -> tb.getBoundary().intersects(boundary)).toList();
+        return atomicTextBlocks.stream()
+                .filter(tb -> tb.getTextRange().intersects(textRange))
+                .toList();
     }
 
 
@@ -92,7 +98,9 @@ public class ConcatenatedTextBlock implements TextBlock {
     @Override
     public int numberOfLines() {
 
-        return atomicTextBlocks.stream().map(AtomicTextBlock::getLineBreaks).mapToInt(List::size).sum();
+        return atomicTextBlocks.stream()
+                .map(AtomicTextBlock::getLineBreaks)
+                .mapToInt(List::size).sum();
     }
 
 
@@ -113,7 +121,10 @@ public class ConcatenatedTextBlock implements TextBlock {
     @Override
     public List<Integer> getLineBreaks() {
 
-        return getAtomicTextBlocks().stream().flatMap(atomicTextBlock -> atomicTextBlock.getLineBreaks().stream()).toList();
+        return getAtomicTextBlocks().stream()
+                .flatMap(atomicTextBlock -> atomicTextBlock.getLineBreaks()
+                        .stream())
+                .toList();
     }
 
 
@@ -125,47 +136,48 @@ public class ConcatenatedTextBlock implements TextBlock {
 
 
     @Override
-    public List<Rectangle2D> getPositions(Boundary stringBoundary) {
+    public List<Rectangle2D> getPositions(TextRange stringTextRange) {
 
-        List<AtomicTextBlock> textBlocks = getAllAtomicTextBlocksPartiallyInStringBoundary(stringBoundary);
+        List<AtomicTextBlock> textBlocks = getAllAtomicTextBlocksPartiallyInStringBoundary(stringTextRange);
 
         if (textBlocks.size() == 1) {
-            return textBlocks.get(0).getPositions(stringBoundary);
+            return textBlocks.get(0).getPositions(stringTextRange);
         }
 
         AtomicTextBlock firstTextBlock = textBlocks.get(0);
-        List<Rectangle2D> positions = new LinkedList<>(firstTextBlock.getPositions(new Boundary(stringBoundary.start(), firstTextBlock.getBoundary().end())));
+        List<Rectangle2D> positions = new LinkedList<>(firstTextBlock.getPositions(new TextRange(stringTextRange.start(), firstTextBlock.getTextRange().end())));
 
         for (AtomicTextBlock textBlock : textBlocks.subList(1, textBlocks.size() - 1)) {
             positions.addAll(textBlock.getPositions());
         }
 
         var lastTextBlock = textBlocks.get(textBlocks.size() - 1);
-        positions.addAll(lastTextBlock.getPositions(new Boundary(lastTextBlock.getBoundary().start(), stringBoundary.end())));
+        positions.addAll(lastTextBlock.getPositions(new TextRange(lastTextBlock.getTextRange().start(), stringTextRange.end())));
 
         return positions;
     }
 
 
     @Override
-    public Map<Page, List<Rectangle2D>> getPositionsPerPage(Boundary stringBoundary) {
+    public Map<Page, List<Rectangle2D>> getPositionsPerPage(TextRange stringTextRange) {
 
-        List<AtomicTextBlock> textBlocks = getAllAtomicTextBlocksPartiallyInStringBoundary(stringBoundary);
+        List<AtomicTextBlock> textBlocks = getAllAtomicTextBlocksPartiallyInStringBoundary(stringTextRange);
 
         if (textBlocks.size() == 1) {
-            return textBlocks.get(0).getPositionsPerPage(stringBoundary);
+            return textBlocks.get(0).getPositionsPerPage(stringTextRange);
         }
 
         AtomicTextBlock firstTextBlock = textBlocks.get(0);
-        Map<Page, List<Rectangle2D>> rectanglesPerLinePerPage = firstTextBlock.getPositionsPerPage(new Boundary(stringBoundary.start(), firstTextBlock.getBoundary().end()));
+        Map<Page, List<Rectangle2D>> rectanglesPerLinePerPage = firstTextBlock.getPositionsPerPage(new TextRange(stringTextRange.start(), firstTextBlock.getTextRange().end()));
 
         for (AtomicTextBlock textBlock : textBlocks.subList(1, textBlocks.size() - 1)) {
-            rectanglesPerLinePerPage = mergeEntityPositionsWithSamePageNode(rectanglesPerLinePerPage, textBlock.getPositionsPerPage(textBlock.getBoundary()));
+            rectanglesPerLinePerPage = mergeEntityPositionsWithSamePageNode(rectanglesPerLinePerPage, textBlock.getPositionsPerPage(textBlock.getTextRange()));
         }
 
         AtomicTextBlock lastTextBlock = textBlocks.get(textBlocks.size() - 1);
         rectanglesPerLinePerPage = mergeEntityPositionsWithSamePageNode(rectanglesPerLinePerPage,
-                lastTextBlock.getPositionsPerPage(new Boundary(lastTextBlock.getBoundary().start(), stringBoundary.end())));
+                                                                        lastTextBlock.getPositionsPerPage(new TextRange(lastTextBlock.getTextRange().start(),
+                                                                                                                        stringTextRange.end())));
 
         return rectanglesPerLinePerPage;
     }
@@ -174,11 +186,42 @@ public class ConcatenatedTextBlock implements TextBlock {
     private Map<Page, List<Rectangle2D>> mergeEntityPositionsWithSamePageNode(Map<Page, List<Rectangle2D>> map1, Map<Page, List<Rectangle2D>> map2) {
 
         Map<Page, List<Rectangle2D>> mergedMap = new HashMap<>(map1);
-        map2.forEach((pageNode, rectangles) -> mergedMap.merge(pageNode, rectangles, (l1, l2) -> Stream.concat(l1.stream(), l2.stream()).toList()));
+        map2.forEach((pageNode, rectangles) -> mergedMap.merge(pageNode,
+                                                               rectangles,
+                                                               (l1, l2) -> Stream.concat(l1.stream(), l2.stream())
+                                                                       .toList()));
         return mergedMap;
     }
 
 
+    @Override
+    public String subSequenceWithLineBreaks(TextRange stringTextRange) {
+
+        if (stringTextRange.length() == 0 || !getTextRange().contains(stringTextRange)) {
+            return "";
+        }
+
+        List<AtomicTextBlock> textBlocks = getAllAtomicTextBlocksPartiallyInStringBoundary(stringTextRange);
+
+        if (textBlocks.size() == 1) {
+            return textBlocks.get(0).subSequenceWithLineBreaks(stringTextRange);
+        }
+
+        StringBuilder sb = new StringBuilder();
+        AtomicTextBlock firstTextBlock = textBlocks.get(0);
+        sb.append(firstTextBlock.subSequenceWithLineBreaks(new TextRange(stringTextRange.start(), firstTextBlock.getTextRange().end())));
+
+        for (AtomicTextBlock textBlock : textBlocks.subList(1, textBlocks.size() - 1)) {
+            sb.append(textBlock.searchTextWithLineBreaks());
+        }
+
+        var lastTextBlock = textBlocks.get(textBlocks.size() - 1);
+        sb.append(lastTextBlock.subSequenceWithLineBreaks(new TextRange(lastTextBlock.getTextRange().start(), stringTextRange.end())));
+
+        return sb.toString();
+    }
+
+
     @Override
     public String toString() {
 
@@ -187,16 +230,22 @@ public class ConcatenatedTextBlock implements TextBlock {
 
 
     @Override
-    public List<Boundary> getBoldTextBoundaries() {
+    public List<TextRange> getBoldTextBoundaries() {
 
-        return getAtomicTextBlocks().stream().map(AtomicTextBlock::getBoldTextBoundaries).flatMap(Collection::stream).toList();
+        return getAtomicTextBlocks().stream()
+                .map(AtomicTextBlock::getBoldTextBoundaries)
+                .flatMap(Collection::stream)
+                .toList();
     }
 
 
     @Override
-    public List<Boundary> getItalicTextBoundaries() {
+    public List<TextRange> getItalicTextBoundaries() {
 
-        return getAtomicTextBlocks().stream().map(AtomicTextBlock::getItalicTextBoundaries).flatMap(Collection::stream).toList();
+        return getAtomicTextBlocks().stream()
+                .map(AtomicTextBlock::getItalicTextBoundaries)
+                .flatMap(Collection::stream)
+                .toList();
     }
 
 

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/textblock/TextBlock.java

@@ -10,7 +10,7 @@ import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Page;
 
 public interface TextBlock extends CharSequence {
@@ -21,10 +21,10 @@ public interface TextBlock extends CharSequence {
     List<AtomicTextBlock> getAtomicTextBlocks();
 
 
-    List<Boundary> getBoldTextBoundaries();
+    List<TextRange> getBoldTextBoundaries();
 
 
-    List<Boundary> getItalicTextBoundaries();
+    List<TextRange> getItalicTextBoundaries();
 
 
     String getOrientation();
@@ -33,7 +33,7 @@ public interface TextBlock extends CharSequence {
     int getTextDirection();
 
 
-    Boundary getBoundary();
+    TextRange getTextRange();
 
 
     int getNextLinebreak(int fromIndex);
@@ -48,31 +48,41 @@ public interface TextBlock extends CharSequence {
     Rectangle2D getPosition(int stringIdx);
 
 
-    List<Rectangle2D> getPositions(Boundary stringBoundary);
+    List<Rectangle2D> getPositions(TextRange stringTextRange);
 
 
-    Map<Page, List<Rectangle2D>> getPositionsPerPage(Boundary stringBoundary);
+    Map<Page, List<Rectangle2D>> getPositionsPerPage(TextRange stringTextRange);
 
 
     int numberOfLines();
 
 
+    String subSequenceWithLineBreaks(TextRange stringTextRange);
+
+
+    default String searchTextWithLineBreaks() {
+
+        return subSequenceWithLineBreaks(getTextRange());
+    }
+
     default int indexOf(String searchTerm) {
 
-        return indexOf(searchTerm, getBoundary().start());
+        return indexOf(searchTerm, getTextRange().start());
     }
 
 
     default Set<Page> getPages() {
 
-        return getAtomicTextBlocks().stream().map(AtomicTextBlock::getPage).collect(Collectors.toUnmodifiableSet());
+        return getAtomicTextBlocks().stream()
+                .map(AtomicTextBlock::getPage)
+                .collect(Collectors.toUnmodifiableSet());
     }
 
 
-    default Set<Page> getPages(Boundary boundary) {
+    default Set<Page> getPages(TextRange textRange) {
 
         return getAtomicTextBlocks().stream()
-                .filter(atomicTextBlock -> atomicTextBlock.getBoundary().intersects(boundary))
+                .filter(atomicTextBlock -> atomicTextBlock.getTextRange().intersects(textRange))
                 .map(AtomicTextBlock::getPage)
                 .collect(Collectors.toUnmodifiableSet());
     }
@@ -80,38 +90,38 @@ public interface TextBlock extends CharSequence {
 
     default int indexOf(String searchTerm, int startOffset) {
 
-        int start = getSearchText().indexOf(searchTerm, startOffset - getBoundary().start());
+        int start = getSearchText().indexOf(searchTerm, startOffset - getTextRange().start());
         if (start == -1) {
             return -1;
         }
-        return start + getBoundary().start();
+        return start + getTextRange().start();
     }
 
 
     default CharSequence getFirstLine() {
 
-        return subSequence(getBoundary().start(), getNextLinebreak(getBoundary().start()));
+        return subSequence(getTextRange().start(), getNextLinebreak(getTextRange().start()));
     }
 
 
-    default boolean containsBoundary(Boundary boundary) {
+    default boolean containsBoundary(TextRange textRange) {
 
-        if (boundary.end() < boundary.start()) {
+        if (textRange.end() < textRange.start()) {
-            throw new IllegalArgumentException(format("Invalid %s, StartIndex must be smaller than EndIndex", boundary));
+            throw new IllegalArgumentException(format("Invalid %s, StartIndex must be smaller than EndIndex", textRange));
         }
-        return getBoundary().contains(boundary);
+        return getTextRange().contains(textRange);
     }
 
 
     default boolean containsIndex(int stringIndex) {
 
-        return getBoundary().contains(stringIndex);
+        return getTextRange().contains(stringIndex);
     }
 
 
-    default CharSequence subSequence(Boundary boundary) {
+    default CharSequence subSequence(TextRange textRange) {
 
-        return subSequence(boundary.start(), boundary.end());
+        return subSequence(textRange.start(), textRange.end());
     }
 
 
@@ -128,21 +138,21 @@ public interface TextBlock extends CharSequence {
     @Override
     default CharSequence subSequence(int start, int end) {
 
-        return getSearchText().substring(start - getBoundary().start(), end - getBoundary().start());
+        return getSearchText().substring(start - getTextRange().start(), end - getTextRange().start());
     }
 
 
     @Override
     default int length() {
 
-        return getBoundary().length();
+        return getTextRange().length();
     }
 
 
     @Override
     default char charAt(int index) {
 
-        return getSearchText().charAt(index - getBoundary().start());
+        return getSearchText().charAt(index - getTextRange().start());
     }
 
 }

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/factory/SearchTextWithTextPositionDto.java

@@ -4,7 +4,7 @@ import java.awt.geom.Rectangle2D;
 import java.util.Collections;
 import java.util.List;
 
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 
 import lombok.AccessLevel;
 import lombok.Builder;
@@ -19,8 +19,8 @@ public class SearchTextWithTextPositionDto {
     String searchText;
     List<Integer> lineBreaks;
     List<Integer> stringIdxToPositionIdx;
-    List<Boundary> boldTextBoundaries;
+    List<TextRange> boldTextBoundaries;
-    List<Boundary> italicTextBoundaries;
+    List<TextRange> italicTextBoundaries;
     List<Rectangle2D> positions;
 
 

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/factory/SearchTextWithTextPositionFactory.java

@@ -9,7 +9,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
 
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.text.RedTextPosition;
 import com.knecon.fforesight.service.layoutparser.processor.model.text.TextDirection;
 import com.knecon.fforesight.service.layoutparser.processor.model.text.TextPositionSequence;
@@ -118,23 +118,23 @@ public class SearchTextWithTextPositionFactory {
     }
 
 
-    private static List<Boundary> mergeToBoundaries(List<Integer> integers) {
+    private static List<TextRange> mergeToBoundaries(List<Integer> integers) {
 
         if (integers.isEmpty()) {
             return Collections.emptyList();
         }
-        List<Boundary> boundaries = new LinkedList<>();
+        List<TextRange> boundaries = new LinkedList<>();
         int start = integers.get(0);
         int end = integers.get(0) + 1;
         for (int current : integers) {
             if (current > end + 1) {
-                boundaries.add(new Boundary(start, end));
+                boundaries.add(new TextRange(start, end));
                 start = current;
             }
             end = current + 1;
         }
         if (boundaries.isEmpty()) {
-            boundaries.add(new Boundary(start, end));
+            boundaries.add(new TextRange(start, end));
         }
         return boundaries;
     }

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/mapper/DocumentDataMapper.java

@@ -116,8 +116,8 @@ public class DocumentDataMapper {
                 .page(atomicTextBlock.getPage().getNumber().longValue())
                 .searchText(atomicTextBlock.getSearchText())
                 .numberOnPage(atomicTextBlock.getNumberOnPage())
-                .start(atomicTextBlock.getBoundary().start())
+                .start(atomicTextBlock.getTextRange().start())
-                .end(atomicTextBlock.getBoundary().end())
+                .end(atomicTextBlock.getTextRange().end())
                 .lineBreaks(toPrimitiveIntArray(atomicTextBlock.getLineBreaks()))
                 .build();
     }

layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/mapper/TaasDocumentDataMapper.java

@@ -13,7 +13,7 @@ import com.knecon.fforesight.service.layoutparser.internal.api.data.taas.Researc
 import com.knecon.fforesight.service.layoutparser.internal.api.data.taas.RowData;
 import com.knecon.fforesight.service.layoutparser.internal.api.data.taas.StructureObject;
 import com.knecon.fforesight.service.layoutparser.internal.api.data.taas.TableData;
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Document;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.Page;
 import com.knecon.fforesight.service.layoutparser.processor.model.graph.nodes.SemanticNode;
@@ -82,15 +82,15 @@ public class TaasDocumentDataMapper {
     }
 
 
-    private static Range toRange(Boundary boundary) {
+    private static Range toRange(TextRange textRange) {
 
-        return new Range(boundary.start(), boundary.end());
+        return new Range(textRange.start(), textRange.end());
     }
 
 
-    private static List<Range> toRange(List<Boundary> boundary) {
+    private static List<Range> toRange(List<TextRange> textRange) {
 
-        return boundary.stream().map(TaasDocumentDataMapper::toRange).toList();
+        return textRange.stream().map(TaasDocumentDataMapper::toRange).toList();
     }
 
 

layoutparser-service/layoutparser-service-server/src/test/java/com/knecon/fforesight/service/layoutparser/server/graph/BoundaryTest.java

@@ -1,71 +0,0 @@
-package com.knecon.fforesight.service.layoutparser.server.graph;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.util.Collections;
-import java.util.List;
-
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-
-import com.knecon.fforesight.service.layoutparser.processor.model.graph.Boundary;
-
-class BoundaryTest {
-
-    Boundary startBoundary;
-
-
-    @BeforeEach
-    void setUp() {
-
-        startBoundary = new Boundary(10, 100);
-    }
-
-
-    @Test
-    void testContains() {
-
-        assertTrue(startBoundary.contains(11));
-        assertTrue(startBoundary.contains(50));
-        assertFalse(startBoundary.contains(9));
-        assertFalse(startBoundary.contains(100));
-        assertFalse(startBoundary.contains(150));
-        assertFalse(startBoundary.contains(-123));
-        assertTrue(startBoundary.contains(new Boundary(11, 99)));
-        assertTrue(startBoundary.contains(new Boundary(10, 100)));
-        assertTrue(startBoundary.contains(new Boundary(11, 11)));
-        assertFalse(startBoundary.contains(9, 100));
-        assertTrue(startBoundary.contains(100, 100));
-        assertFalse(startBoundary.contains(100, 101));
-        assertFalse(startBoundary.contains(150, 151));
-    }
-
-
-    @Test
-    void testIntersects() {
-
-        assertTrue(startBoundary.intersects(new Boundary(1, 11)));
-        assertTrue(startBoundary.intersects(new Boundary(11, 12)));
-        assertTrue(startBoundary.intersects(new Boundary(11, 100)));
-        assertFalse(startBoundary.intersects(new Boundary(100, 101)));
-        assertTrue(startBoundary.intersects(new Boundary(99, 101)));
-    }
-
-
-    @Test
-    void testSplit() {
-
-        assertEquals(4, startBoundary.split(List.of(12, 40, 90)).size());
-        assertEquals(List.of(new Boundary(10, 12), new Boundary(12, 40), new Boundary(40, 90), new Boundary(90, 100)), startBoundary.split(List.of(12, 40, 90)));
-        assertEquals(List.of(new Boundary(10, 40), new Boundary(40, 100)), startBoundary.split(List.of(40)));
-        assertEquals(1, startBoundary.split(Collections.emptyList()).size());
-        assertEquals(1, startBoundary.split(List.of(startBoundary.start())).size());
-        assertThrows(IndexOutOfBoundsException.class, () -> startBoundary.split(Collections.singletonList(0)));
-        assertThrows(IndexOutOfBoundsException.class, () -> startBoundary.split(Collections.singletonList(100)));
-        assertThrows(IndexOutOfBoundsException.class, () -> startBoundary.split(List.of(12, 40, 100)));
-    }
-
-}

layoutparser-service/layoutparser-service-server/src/test/java/com/knecon/fforesight/service/layoutparser/server/graph/TextRangeTest.java

@@ -0,0 +1,71 @@
+package com.knecon.fforesight.service.layoutparser.server.graph;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import com.knecon.fforesight.service.layoutparser.processor.model.graph.TextRange;
+
+class TextRangeTest {
+
+    TextRange startTextRange;
+
+
+    @BeforeEach
+    void setUp() {
+
+        startTextRange = new TextRange(10, 100);
+    }
+
+
+    @Test
+    void testContains() {
+
+        assertTrue(startTextRange.contains(11));
+        assertTrue(startTextRange.contains(50));
+        assertFalse(startTextRange.contains(9));
+        assertFalse(startTextRange.contains(100));
+        assertFalse(startTextRange.contains(150));
+        assertFalse(startTextRange.contains(-123));
+        assertTrue(startTextRange.contains(new TextRange(11, 99)));
+        assertTrue(startTextRange.contains(new TextRange(10, 100)));
+        assertTrue(startTextRange.contains(new TextRange(11, 11)));
+        assertFalse(startTextRange.contains(9, 100));
+        assertTrue(startTextRange.contains(100, 100));
+        assertFalse(startTextRange.contains(100, 101));
+        assertFalse(startTextRange.contains(150, 151));
+    }
+
+
+    @Test
+    void testIntersects() {
+
+        assertTrue(startTextRange.intersects(new TextRange(1, 11)));
+        assertTrue(startTextRange.intersects(new TextRange(11, 12)));
+        assertTrue(startTextRange.intersects(new TextRange(11, 100)));
+        assertFalse(startTextRange.intersects(new TextRange(100, 101)));
+        assertTrue(startTextRange.intersects(new TextRange(99, 101)));
+    }
+
+
+    @Test
+    void testSplit() {
+
+        assertEquals(4, startTextRange.split(List.of(12, 40, 90)).size());
+        assertEquals(List.of(new TextRange(10, 12), new TextRange(12, 40), new TextRange(40, 90), new TextRange(90, 100)), startTextRange.split(List.of(12, 40, 90)));
+        assertEquals(List.of(new TextRange(10, 40), new TextRange(40, 100)), startTextRange.split(List.of(40)));
+        assertEquals(1, startTextRange.split(Collections.emptyList()).size());
+        assertEquals(1, startTextRange.split(List.of(startTextRange.start())).size());
+        assertThrows(IndexOutOfBoundsException.class, () -> startTextRange.split(Collections.singletonList(0)));
+        assertThrows(IndexOutOfBoundsException.class, () -> startTextRange.split(Collections.singletonList(100)));
+        assertThrows(IndexOutOfBoundsException.class, () -> startTextRange.split(List.of(12, 40, 100)));
+    }
+
+}

layoutparser-service/layoutparser-service-server/src/test/java/com/knecon/fforesight/service/layoutparser/server/utils/AbstractTest.java

@@ -105,7 +105,7 @@ public abstract class AbstractTest {
     }
 
 
-    protected LayoutParsingRequest buildDefaultLayoutParsingRequest(String fileName, LayoutParsingType layoutParsingType, boolean debug) {
+    public static LayoutParsingRequest buildDefaultLayoutParsingRequest(String fileName, LayoutParsingType layoutParsingType, boolean debug) {
 
         var identifier = debug ? Map.of("fileId", fileName, "debug", "true") : Map.of("fileId", fileName);
         return LayoutParsingRequest.builder()