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Create Custom Template - Delphi

Document Parser SDK sample in Delphi demonstrating ‘Create Custom Template’

CustomTemplate.dpr
program CustomTemplate;

//*******************************************************************************************//
//                                                                                           //
// Download Free Evaluation Version From: https://bytescout.com/download/web-installer       //
//                                                                                           //
// Also available as Web API! Get Your Free API Key: https://app.pdf.co/signup               //
//                                                                                           //
// Copyright � 2017-2020 ByteScout, Inc. All rights reserved.                                //
// https://www.bytescout.com                                                                 //
// https://pdf.co                                                                            //
//                                                                                           //
//*******************************************************************************************//

{$APPTYPE CONSOLE}

uses
  SysUtils,
  ActiveX,
  ByteScout_DocumentParser_TLB in 'C:\Program Files\Borland\BDS\4.0\Imports\ByteScout_DocumentParser_TLB.pas';

var
  document_parser: _DocumentParser;
  json: string;

const
  CUSTOM_TEMPLATE: string = 'SampleTemplate.yml';
  INPUT_DOCUMENT: string = 'SampleInvoice.pdf';

begin
  // disable floating point exception to conform to .NET floating point operations behavior.
  System.Set8087CW($133F);

  // required for console applications, initializes ActiveX support
  CoInitialize(nil);

  // create and activate DocumentParser instance
  document_parser := CoDocumentParser.Create();
  document_parser.RegistrationName := 'demo';
  document_parser.RegistrationKey := 'demo';

  WriteLn(Format('Loading template "%s"', [CUSTOM_TEMPLATE]));
  WriteLn('');

  document_parser.AddTemplate(CUSTOM_TEMPLATE);

  WriteLn(Format('Parsing "%s"', [INPUT_DOCUMENT]));
  WriteLn('');

  // parse invoice data in JSON format
  json := document_parser.ParseDocument_4(INPUT_DOCUMENT, OutputFormat_JSON, false);

  // display parsed data in console
  WriteLn('Parsing results in JSON format:');
  WriteLn('');
  WriteLn(json);

  document_parser.Dispose();

  // required for console applications, initializes ActiveX support
  CoUninitialize();
end.

SampleTemplate.yml
templateName: My Custom Template
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - Your Company Name
  - Invoice No\.
  - TOTAL
objects:
- name: total
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: TOTAL{{Spaces}}{{Number}}
    dataType: decimal
    pageIndex: 0
- name: dateIssued
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: Invoice Date {{SmartDate}}
    dataType: date
    dateFormat: auto-mdy
    pageIndex: 0
- name: invoiceId
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: Invoice No. {{Digits}}
    pageIndex: 0
- name: companyName
  objectType: field
  fieldProperties:
    fieldType: static
    expression: Vendor Company
    pageIndex: 0
- name: billTo
  objectType: field
  fieldProperties:
    fieldType: rectangle
    rectangle:
    - 32.25
    - 150
    - 348
    - 70.5
    pageIndex: 0
- name: notes
  objectType: field
  fieldProperties:
    fieldType: rectangle
    rectangle:
    - 32.25
    - 227.25
    - 531
    - 47.25
    pageIndex: 0
- name: table1
  objectType: table
  tableProperties:
    start:
      expression: Item\s+Quantity\s+Price\s+Total
      regex: true
    end:
      expression: TOTAL
      regex: true
    row:
      expression: ^\s*(?<description>\w+.*)(?<quantity>\d+)\s+(?<unitPrice>\d+\.\d{2})\s+(?<itemTotal>\d+\.\d{2})\s*$
      regex: true


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