SQL Server

Drop/Undrop Text Formatting Tags

See more HTML-to-XML/Text Examples

Demonstrates how the DropTextFormattingTags and UndropTextFormattingTags methods work in the Html-to-Xml API. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    --  This example assumes the Chilkat API to have been previously unlocked.
    --  See Global Unlock Sample for sample code.

    DECLARE @html nvarchar(4000)
    SELECT @html = '<html><body><p><b>Hello</b> World!<p>This is a test</body></html>'

    --  Convert the above to XML
    DECLARE @h2x int
    EXEC @hr = sp_OACreate 'Chilkat.HtmlToXml', @h2x OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    --  By default, text formatting tags are dropped. Text formatting HTML tags are: b, font, i, u, br, center, em, strong, big, tt, s, small, strike, sub, and sup
    EXEC sp_OASetProperty @h2x, 'Html', @html
    EXEC sp_OAMethod @h2x, 'ToXml', @sTmp0 OUT
    PRINT @sTmp0

    --  The resulting XML is:

    --  <?xml version="1.0" encoding="utf-8"?>
    --  <root>
    --      <html>
    --          <body>
    --              <p>
    --                  <text>Hello World!</text>
    --              </p>
    --              <p>
    --                  <text>This is a test</text>
    --              </p>
    --          </body>
    --      </html>
    --  </root>

    --  To preserve text formatting tags, put the h2x instance into the mode where text formatting tags are not dropped:
    EXEC sp_OAMethod @h2x, 'UndropTextFormattingTags', NULL

    --  Convert again to see the difference:
    EXEC sp_OAMethod @h2x, 'ToXml', @sTmp0 OUT
    PRINT @sTmp0

    --  The resulting XML is:

    --  <?xml version="1.0" encoding="utf-8"?>
    --  <root>
    --      <html>
    --          <body>
    --              <p>
    --                  <b>
    --                      <text>Hello</text>
    --                  </b>
    --                  <text> World!</text>
    --              </p>
    --              <p>
    --                  <text>This is a test</text>
    --              </p>
    --          </body>
    --      </html>
    --  </root>

    --  Call DropTextFormattingTags to put the h2x instance back in "drop" mode.
    EXEC sp_OAMethod @h2x, 'DropTextFormattingTags', NULL

    --  Convert again to see the difference:
    EXEC sp_OAMethod @h2x, 'ToXml', @sTmp0 OUT
    PRINT @sTmp0

    --  The resulting XML is:

    --  <?xml version="1.0" encoding="utf-8"?>
    --  <root>
    --      <html>
    --          <body>
    --              <p>
    --                  <text>Hello World!</text>
    --              </p>
    --              <p>
    --                  <text>This is a test</text>
    --              </p>
    --          </body>
    --      </html>
    --  </root>

    EXEC @hr = sp_OADestroy @h2x


END
GO