SQL Server Requires Chilkat v11.7.0+

Replace the Second (or Every) Occurrence of a Label in a PDF

See more PDF Text Replacement Examples

Demonstrates the "occurrence" member of a label entry. By default the first occurrence of a label, in reading order across the selected pages, is replaced; "occurrence" can be a number for the nth, or "all" for every occurrence. The invoice template has "Ref:" twice. SQL Server

--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @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 invoice_template.pdf

    DECLARE @pdf int
    EXEC @hr = sp_OACreate 'Chilkat.Pdf', @pdf OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @pdf, 'LoadFile', @success OUT, 'qa_data/pdf/invoice_template.pdf'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pdf
        RETURN
      END

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    DECLARE @jsonOut int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonOut OUT

    --  This template's {{placeholders}} are not being filled here: "keep" leaves them as they are
    --  (the default, "error", would refuse to apply while a placeholder on the page has no value).
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'unusedPlaceholders', 'keep'

    --  "Ref:" appears twice on the page (A-1 near the top, A-2 below the totals).
    --  The default replaces the first occurrence only.
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'labels[0].label', 'Ref:'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'labels[0].value', 'B-7'
    EXEC sp_OAMethod @pdf, 'TextReplace', @success OUT, 'check', @json, @jsonOut
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pdf
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @jsonOut
        RETURN
      END

    EXEC sp_OAMethod @jsonOut, 'IntOf', @iTmp0 OUT, 'replacements[0].count'

    PRINT 'default: ' + @iTmp0 + ' occurrence replaced'

    --  The second occurrence only.
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'labels[0].occurrence', '2'
    EXEC sp_OAMethod @pdf, 'TextReplace', @success OUT, 'check', @json, @jsonOut
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pdf
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @jsonOut
        RETURN
      END

    EXEC sp_OAMethod @jsonOut, 'IntOf', @iTmp0 OUT, 'replacements[0].count'

    PRINT 'occurrence 2: ' + @iTmp0 + ' occurrence replaced'

    --  Every occurrence.
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'labels[0].occurrence', 'all'
    EXEC sp_OAMethod @pdf, 'TextReplace', @success OUT, 'apply', @json, @jsonOut
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pdf
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @jsonOut
        RETURN
      END

    EXEC sp_OAMethod @jsonOut, 'IntOf', @iTmp0 OUT, 'replacements[0].count'

    PRINT 'occurrence all: ' + @iTmp0 + ' occurrences replaced'

    EXEC sp_OAMethod @pdf, 'WriteFile', @success OUT, 'qa_output/invoice_refs.pdf'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pdf
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @jsonOut
        RETURN
      END

    --  Sample output:

    --  default: 1 occurrence replaced
    --  occurrence 2: 1 occurrence replaced
    --  occurrence all: 2 occurrences replaced

    EXEC @hr = sp_OADestroy @pdf
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @jsonOut


END
GO