PDF Placeholders with Other Delimiters: [[name]]

#include <CkPdf.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    bool 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 letter_template.pdf

    CkPdf pdf;
    success = pdf.LoadFile("qa_data/pdf/letter_template.pdf");
    if (success == false) {
        std::cout << pdf.lastErrorText() << "\r\n";
        return;
    }

    //  The letter reads: "Dear [[name]]," ... "expires on [[expiry]]" ... "[[amount]] per year" ... "[[agent]]".
    CkJsonObject json;
    json.UpdateString("placeholderSyntax","[[name]]");
    json.UpdateString("placeholders.date","October 18, 2026");
    json.UpdateString("placeholders.name","Ms. Rivera");
    json.UpdateString("placeholders.expiry","December 31, 2026");
    json.UpdateString("placeholders.amount","$299.00");
    json.UpdateString("placeholders.agent","Dana Whitfield, Account Manager");

    CkJsonObject jsonOut;
    success = pdf.TextReplace("apply",json,jsonOut);
    if (success == false) {
        std::cout << "Not applied: " << jsonOut.emit() << "\r\n";
        if (success == false) {
            std::cout << pdf.lastErrorText() << "\r\n";
            return;
        }

    }

    int i = 0;
    int count_i = jsonOut.SizeOfArray("replacements");
    while (i < count_i) {
        jsonOut.put_I(i);
        std::cout << "[[" << jsonOut.stringOf("replacements[i].field") << "]] replaced" << "\r\n";
        i = i + 1;
    }

    success = pdf.WriteFile("qa_output/letter_rivera.pdf");
    if (success == false) {
        std::cout << pdf.lastErrorText() << "\r\n";
        return;
    }

    //  Sample output:

    //  [[date]] replaced
    //  [[name]] replaced
    //  [[expiry]] replaced
    //  [[amount]] replaced
    //  [[agent]] replaced
    }