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Support custom element and newline separators in LocationTextExtractionStrategy #41

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Support custom element and newline separators in LocationTextExtractionStrategy #41

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17 changes: 15 additions & 2 deletions itext/itext.kernel/itext/kernel/pdf/canvas/parser/listener/LocationTextExtractionStrategy.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,9 @@ public class LocationTextExtractionStrategy : ITextExtractionStrategy {

private TextRenderInfo lastTextRenderInfo;

private string elementSeparator = "";
private string newLine = "\n";

/// <summary>Creates a new text extraction renderer.</summary>
public LocationTextExtractionStrategy()
: this(new LocationTextExtractionStrategy.ITextChunkLocationStrategyImpl()) {
Expand All @@ -60,6 +63,16 @@ public LocationTextExtractionStrategy(LocationTextExtractionStrategy.ITextChunkL
tclStrat = strat;
}

/// <summary>
/// Sets the string values used to separate elements and lines when formatting output.
/// </summary>
/// <param name="elementSeparator">The string to use as a separator between elements. Cannot be null.</param>
/// <param name="newLine">The string to use to represent a new line. Cannot be null.</param>
public void SetSeparators(string elementSeparator, string newLine) {
this.elementSeparator = elementSeparator;
this.newLine = newLine;
}

/// <summary>
/// Changes the behavior of text extraction so that if the parameter is set to
/// <see langword="true"/>
Expand Down Expand Up @@ -166,12 +179,12 @@ public virtual String GetResultantText() {
// we only insert a blank space if the trailing character of the previous string wasn't a space, and the leading character of the current string isn't a space
if (IsChunkAtWordBoundary(chunk, lastChunk) && !StartsWithSpace(chunk.text) && !EndsWithSpace(lastChunk.text
)) {
sb.Append(' ');
sb.Append(elementSeparator);
}
sb.Append(chunk.text);
}
else {
sb.Append('\n');
sb.Append(newLine);
sb.Append(chunk.text);
}
}
Expand Down