*---------------------------------------------------------------

.

. Program Name: wordlookup

. Description: Look up a word defintion from a Web Service

. using REST

.

. For more information on the we service see:

.

. https://dictionaryapi.dev/

.

. Revision History:

.

. 05-04-23 whk

. Original code

.

INCLUDE plbequ.inc

INCLUDE plbmeth.inc

INCLUDE plbstdlib.inc

*---------------------------------------------------------------

MainForm PLFORM wordlookupf.plf

RestUrl INIT "api.dictionaryapi.dev"

*................................................................

.

. Code start

.

CALL Main

LOOP

EVENTWAIT

REPEAT

STOP

*................................................................

.

. Decode the JSON result. Just look up the first definition.

.

DecodeResult LFUNCTION

JsonData DIM ^ // Pointer to the data received

ObjectPtr OBJECT ^

ENTRY

JsonInfo XDATA

DefinitionData DIM 400

Result FORM 2

JsonInfo.LoadJson Using JsonData

CALL FetchJsonStr Using JsonInfo,"definition",DefinitionData

EXCEPTSET ParamErr IF FORMAT

EXCEPTSET ParamErr IF OBJECT

SETPROP ObjectPtr;Text=DefinitionData

RETURN

.

. Parameter error. See the plberrors.xml file for description of error.

.

ParamErr ALERT STOP,S$ERROR$,Result

FUNCTIONEND

.

*................................................................

.

. Lookup a word

.

LookupWord LFUNCTION

ENTRY

Flags FORM 8

Response DIM 40960

Word DIM 40

Resource DIM 100

HttpResult DIM 80

Success FORM 1

GETPROP edtWord,Text=Word

PACK Resource with "/api/v2/entries/en/",Word

MOVE ($HTTP_FLAG_NOHEADER+$HTTP_FLAG_HTTP11+$HTTP_FLAG_SSL+$HTTP_FLAG_USESUNSSL) to Flags

HTTP RestUrl,Resource,*HttpResult=HttpResult,*Result=Response,*Flags=Flags

IF (Nocase HttpResult LIKE "200 ok%" )

CALL DecodeResult Using Response,edtResult

SET Success

ELSE

PACK Response, "The result from the website was: ",HttpResult

SETPROP edtResult;Text=Response

CLEAR Success

ENDIF

FUNCTIONEND Using Success

*................................................................

.

. Main - Main program entry point

.

Main LFUNCTION

ENTRY

WINHIDE

FORMLOAD MainForm

FUNCTIONEND