PowerBuilder 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. PowerBuilder

integer li_rc
long li_Success
oleobject loo_Pdf
oleobject loo_Json
oleobject loo_JsonOut

li_Success = 0

//  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

loo_Pdf = create oleobject
li_rc = loo_Pdf.ConnectToNewObject("Chilkat.Pdf")
if li_rc < 0 then
    destroy loo_Pdf
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_Pdf.LoadFile("qa_data/pdf/code_block.pdf")
if li_Success = 0 then
    Write-Debug loo_Pdf.LastErrorText
    destroy loo_Pdf
    return
end if

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_JsonOut = create oleobject
li_rc = loo_JsonOut.ConnectToNewObject("Chilkat.JsonObject")

li_Success = loo_Pdf.ExtractText("markdown",loo_Json,loo_JsonOut)
if li_Success = 0 then
    Write-Debug loo_Pdf.LastErrorText
    destroy loo_Pdf
    destroy loo_Json
    destroy loo_JsonOut
    return
end if

Write-Debug "---- default (code: true) ----"
Write-Debug loo_JsonOut.StringOf("markdown")

loo_Json.UpdateBool("code",0)
li_Success = loo_Pdf.ExtractText("markdown",loo_Json,loo_JsonOut)
if li_Success = 0 then
    Write-Debug loo_Pdf.LastErrorText
    destroy loo_Pdf
    destroy loo_Json
    destroy loo_JsonOut
    return
end if

Write-Debug "---- code: false ----"
Write-Debug loo_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.


destroy loo_Pdf
destroy loo_Json
destroy loo_JsonOut