Node.js Requires Chilkat v11.7.0+

Code Blocks and Code Spans in PDF to Markdown

See more PDF Text Extraction Examples

Demonstrates how monospaced text is converted by the "markdown" operation: a monospaced block becomes a fenced code block and a monospaced run inside a sentence becomes a code span. Set "code" to false to treat it as ordinary text. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    //  The PDF used in this example is available at code_block.pdf

    var pdf = new chilkat.Pdf();
    success = pdf.LoadFile("qa_data/pdf/code_block.pdf");
    if (success == false) {
        console.log(pdf.LastErrorText);
        return;
    }

    var json = new chilkat.JsonObject();
    var jsonOut = new chilkat.JsonObject();

    success = pdf.ExtractText("markdown",json,jsonOut);
    if (success == false) {
        console.log(pdf.LastErrorText);
        return;
    }

    console.log("---- default (code: true) ----");
    console.log(jsonOut.StringOf("markdown"));

    json.UpdateBool("code",false);
    success = pdf.ExtractText("markdown",json,jsonOut);
    if (success == false) {
        console.log(pdf.LastErrorText);
        return;
    }

    console.log("---- code: false ----");
    console.log(jsonOut.StringOf("markdown"));

    //  Sample output:

    //  ---- default (code: true) ----
    //  <!-- page 1 -->
    //  
    //  # Extracting Text
    //  
    //  Load the PDF and call `ExtractText` with the operation and an options object. The result is returned as JSON:
    //  
    //  ```
    //  new Pdf pdf;
    //  success = pdf.LoadFile("report.pdf");
    //  new JsonObject json;
    //  new JsonObject jsonOut;
    //  success = pdf.ExtractText("text",json,jsonOut);
    //  println jsonOut.StringOf("text");
    //  ```
    //  
    //  An empty options object extracts every page with the default clean-up. Set `pages` to limit the extraction.
    //  ---- code: false ----
    //  <!-- page 1 -->
    //  
    //  # Extracting Text
    //  
    //  Load the PDF and call ExtractText with the operation and an options object. The result is returned as JSON:
    //  
    //  new Pdf pdf; success = pdf.LoadFile("report.pdf"); new JsonObject json; new JsonObject jsonOut; success = pdf.ExtractText("text",json,jsonOut); println jsonOut.StringOf("text");
    //  
    //  An empty options object extracts every page with the default clean-up. Set pages to limit the extraction.

}

chilkatExample();