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    • By Ward
      Introduction
      JSON (Javascript Object Notation) is a popular data-interchange format and supported by a lot of script languages. On AutoIt, there is already a >JSON UDF written by Gabriel Boehme. It is good but too slow, and not supports unicode and control characters very well. So I write a new one (and of course, fast one as usual).

      I use a machine code version of JSON parser called "jsmn". jsmn not only supports standard JSON, but also accepts some non-strict JSON string. See below for example.
       
      Important Update!!
      I rename the library from jsmn.au3 to json.au3. All function names are changed, too.
       
      Decoding Function
      Json_Decode($Json) $Json can be a standard or non-standard JSON string. For example, it accepts:
      { server: example.com port: 80 message: "this looks like a config file" } The most JSON data type will be decoded into corresponding AutoIt variable, including 1D array, string, number, true, false, and null. JSON object will be decoded into "Windows Scripting Dictionary Object" retuned from ObjCreate("Scripting.Dictionary"). AutoIt build-in functions like IsArray, IsBool, etc. can be used to check the returned data type. But for Object and Null, Json_IsObject() and Json_IsNull() should be used.

      If the input JSON string is invalid, @Error will be set to $JSMN_ERROR_INVAL. And if the input JSON string is not finish (maybe read from stream?), @Error will be set to $JSMN_ERROR_PART.

      Encoding Function
      Json_Encode($Data, $Option = 0, $Indent = "\t", $ArraySep = ",\r\n", $ObjectSep = ",\r\n", $ColonSep = ": ") $Data can be a string, number, bool, keyword(default or null), 1D arrry, or "Scripting.Dictionary" COM object. Ptr will be converted to number, Binary will be converted to string in UTF8 encoding. Other unsupported types like 2D array, dllstruct or object will be encoded into null.

      $Option is bitmask consisting following constant:
      $JSON_UNESCAPED_ASCII ; Don't escape ascii charcters between chr(1) ~ chr(0x1f) $JSON_UNESCAPED_UNICODE ; Encode multibyte Unicode characters literally $JSON_UNESCAPED_SLASHES ; Don't escape / $JSON_HEX_TAG ; All < and > are converted to \u003C and \u003E $JSON_HEX_AMP ; All &amp;amp;amp;amp;s are converted to \u0026 $JSON_HEX_APOS ; All ' are converted to \u0027 $JSON_HEX_QUOT ; All " are converted to \u0022 $JSON_PRETTY_PRINT ; Use whitespace in returned data to format it $JSON_STRICT_PRINT ; Make sure returned JSON string is RFC4627 compliant $JSON_UNQUOTED_STRING ; Output unquoted string if possible (conflicting with $JSMN_STRICT_PRINT) Most encoding option have the same means like PHP's json_enocde() function. When $JSON_PRETTY_PRINT is set, output format can be change by other 4 parameters ($Indent, $ArraySep, $ObjectSep, and $ColonSep). Because these 4 output format parameters will be checked inside Jsmn_Encode() function, returned string will be always accepted by Jsmn_Decode(). $JSON_UNQUOTED_STRING can be used to output unquoted string that also accetped by Jsmn_Decode().

      $JSON_STRICT_PRINT is used to check output format setting and avoid non-standard JSON output. So this option is conflicting with $JSON_UNQUOTED_STRING.

      Get and Put Functions
      Json_Put(ByRef $Var, $Notation, $Data, $CheckExists = False) Json_Get(ByRef $Var, $Notation) These functions helps user to access object or array more easily. Both dot notation and square bracket notation can be supported. Json_Put() by default will create non-exists objects and arrays. For example:
      Local $Obj Json_Put($Obj, ".foo", "foo") Json_Put($Obj, ".bar[0]", "bar") Json_Put($Obj, ".test[1].foo.bar[2].foo.bar", "Test") Local $Test = Json_Get($Obj, '["test"][1]["foo"]["bar"][2]["foo"]["bar"]') ; "Test" Object Help Functions
      Json_ObjCreate() Json_ObjPut(ByRef $Object, $Key, $Value) Json_ObjGet(ByRef $Object, $Key) Json_ObjDelete(ByRef $Object, $Key) Json_ObjExists(ByRef $Object, $Key) Json_ObjGetCount(ByRef $Object) Json_ObjGetKeys(ByRef $Object) Json_ObjClear(ByRef $Object) These functions are just warps of "Scripting.Dictionary" COM object. You can use these functions if you are not already familiar with it.
       
      == Update 2013/05/19 ==
       
      * Add Jsmn_Encode() option "$JSMN_UNESCAPED_ASCII". Now the default output of Json_Encode() is exactly the same as PHP's json_encode() function (for example, chr(1) will be encoded into u0001).
      $JSON_UNESCAPED_ASCII ; Don't escape ascii charcters between chr(1) ~ chr(0x1f)  
      == Update 2015/01/08 ==
      * Rename the library from jsmn.au3 to json.au3. All function names are changed, too.
      * Add Json_Put() and Json_Get()
      * Add Null support
      * Using BinaryCall.au3 to loading the machine code.
       
      == Update 2018/01/13==   (Jos)
      * Add JsonDump() to list all Json Keys and their values to easily figure out what they are.
      == Update 2018/10/01==  (Jos)
      * Fixed JsonDump() some fields and values were not showing as discussed here  - tnx @TheXman .
      == Update 2018/10/01b==   (Jos)
      * Added Json_ObjGetItems, Tidied source and fixed au3check warnings - tnx @TheXman .
      == Update 2018/10/28==   (Jos)
      * Added declaration for $value to avoid au3check warning - tnx @DerPensionist
      == Update 2018/12/16==   (Jos)
      * Added another declaration for $value to avoid au3check warning  and updated the version at the top - tnx @maniootek
      == Update 2018/12/29==   (Jos)
      * Changed Json_ObjGet() and Json_ObjExists() to allow for multilevel object in string.
      == Update 2019/01/17==   (Jos)
      * Added support for DOT notation in JSON functions.
      _Json(2019.01.17).zip   reverted to this version as the last version has some regression issues that is being worked on.
      == Update 2019/07/15==   (Jos)
      *  Added support for reading keys with a dot inside when using a dot as separator (updated)
       
    • By Chimp
      Making the integration between AutoIt and the BrowserControl easier may facilitate the development of interesting programs. Just think of all those (fantastic) libraries and frameworks available for javascript that could be integrated and exploited in an AutoIt program. For example, to graphically present the results of an AutoIt processing in the GUI, ... and many other possibilities. Providing the basic functions to implement this synergistic interaction is the purpose of this post (if for no other reason, just even to collect some tests done over time here and there, so as not to leave them scattered and easily find them in just one place)
      In this UDF there are only a few functions (or better if called wrappers), but I hope to add more as I go and, even better, to receive suggestions and advice on new features and techniques to improve and expand it.
      _WebBrowser_GUICtrlCreate Create an Internet Explorer 'Browser Control' _WebBrowser_SetHTML Set a new HTML listing in the BrowserControl _WebBrowser_CSS_Inject Creates into the html document a CSS node element with embedded the passed CSS _WebBrowser_JS_Inject Creates into the html document a javascript node element with embedded the passed javascript _WebBrowser_JS_Eval Evaluates a passed string as JavaScript code and executes it _WebBrowser_JS_setTimeout Calls a javascript function or executes a javascript code snippet [option after a specified delay] _WebBrowser_JS_ElementGetRef Retrieves a reference to an element suitable to be used from AutoIt _WebBrowser_ExecuteDotNotation Get a reference to an object's child member or the value of a property, by means of a dotted path _WebBrowser_BasicHTML Returns a basic html page listing (a little enhanced than about:blank) The three examples provided in the attached ziped file are a bit 'improvised' and do not take advantage of all the possibilities offered by the underlying javascript libraries used. They are just three "hello world" scripts to test the ABC of the interaction with the "BrowserControl".
      (ToDo: Interaction with javascript custom events)
      Bug reports, creative criticisms and suggestions (particularly regarding the interaction with javascript custom events) are welcome
      I hope you can have fun with the Browser Control
      BrowserControl.zip
    • By Chimp
      This is a little experiment that makes use of a "Browser Control" embedded in a GUI in order to be able to use AutoIt, HTML, JavaScript and CSS all together.
      This little toy will only work on systems with IE11.
      The purpose is to drag all the names of the scientists & drop on the right ones. (among scientists it has also infiltrated an intruder). I hope you find it entertaining.
      I've posted it here in the hope to have some suggestions on how to improve it all (I mean the interaction between Autoit Javascript html and css). Thanks
      ; this works on systems with IE11 ; ------------------------------- #include <GUIConstantsEx.au3> #include <array.au3> Global $oIE, $oDocument, $ohJS, $sDroping Global $iCorrect = 0, $iGoal = 11 Example() Exit Func Example() Local $aScientists[12][2] = _ [["Schrodinger", "Schrodinger"],["Planck", "Planck"],["Pauli", "Pauli"],["Einstein", "Einstein"], _ ["Chimp", "Chimp"],["Dirac", "Dirac"],["Heisenberg", "Heisenberg"],["Born", "Born"], _ ["De Broglie", "De_Broglie"],["Bohr", "Bohr"],["Sommerfeld", "Sommerfeld"],["", "empty"]] Local $oIE = ObjCreate("Shell.Explorer.2") ; Create a BrowserControl Local $hGUI = GUICreate("", 660, 600, 30, 30) GUICtrlCreateObj($oIE, 0, 0, 660, 600) ; Place BrowserControl on the GUI GUISetState() ;Show GUI $oIE.navigate('about:blank') ; file:///' & @ScriptDir & '\WhoIsWho.html') While Not String($oIE.readyState) = 'complete' ; wait for about:blank Sleep(100) WEnd ; this waits till the document is ready to be used (portion of code from IE.au3) While Not (String($oIE.readyState) = "complete" Or $oIE.readyState = 4) Sleep(100) WEnd While Not (String($oIE.document.readyState) = "complete" Or $oIE.document.readyState = 4) Sleep(100) WEnd $oIE.document.Write(_GetHTML()) ; inject lising directly to the HTML document: $oIE.document.close() ; close the write stream $oIE.document.execCommand("Refresh") While Not String($oIE.readyState) = 'complete' ; wait for readyState after a refresh Sleep(100) WEnd ; https://msdn.microsoft.com/en-us/library/52f50e9t(v=vs.94).aspx ; $ohJS is a reference to the javascript Global Obj ; ------------------------------------------------- $ohJS = $oIE.document.parentwindow.JSglobal $oDocument = $oIE.document Local $oTable1 = $ohJS.table1 Local $oTable2 = $ohJS.table2 _Randomize($aScientists, $oTable1) ; --- Setup events ------------ ; https://msdn.microsoft.com/en-us/library/hh801967(v=vs.85).aspx Local $aoEventObject[2] $aoEventObject[0] = ObjEvent($oTable1, "IEEvent_", "HTMLTableEvents2") $aoEventObject[1] = ObjEvent($oTable2, "IEEvent_", "HTMLTableEvents2") ; ----------------------------- ; Loop until the user exits. While 1 Switch GUIGetMsg() Case $GUI_EVENT_CLOSE ExitLoop EndSwitch If $iCorrect = $iGoal Then _Goal() _Randomize($aScientists, $oTable1) $iCorrect = 0 EndIf WEnd ; the end For $i = 0 To UBound($aoEventObject) - 1 $aoEventObject[$i] .stop Next $aoEventObject = 0 ; Kill the Event Object $oIE = 0 ; Remove IE from memory (not really necessary). GUIDelete($hGUI) ; Remove GUI EndFunc ;==>Example ; --- event management zone --- ; following functions are fired by events occurred in the browser control Volatile Func IEEvent_onDragstart($oEvent) ; we save the ID of the dragged obj into the $sDroping variable ; for a later use in the drop function $sDroping = $oEvent.srcElement.ID EndFunc ;==>IEEvent_onDragstart Volatile Func IEEvent_onDragOver($oEvent) $ohJS.event.preventDefault() EndFunc ;==>IEEvent_onDragOver Volatile Func IEEvent_onDrop($oEvent) $ohJS.event.preventDefault() If $sDroping <> "" Then If $oDocument.getElementById($sDroping).innerText <> $oEvent.srcElement.innerText Then If $oEvent.srcElement.ClassName = $oDocument.getElementById($sDroping).ClassName Then $oEvent.srcElement.innerText = $oDocument.getElementById($sDroping).innerText $oDocument.getElementById($sDroping).innerText = "" $oDocument.getElementById($sDroping).draggable = False $oDocument.getElementById($sDroping).setAttribute("style") = "background-color: #80ff80;" $iCorrect += 1 Else For $i = 1 To 3 $oDocument.getElementById($sDroping).setAttribute("style") = "background-color: #ff0000;" Sleep(125) $oDocument.getElementById($sDroping).setAttribute("style") = "background-color: #ffffff;" Sleep(125) Next EndIf EndIf $sDroping = "" EndIf EndFunc ;==>IEEvent_onDrop Func _Randomize(ByRef $aScientists, ByRef $oTable) Local $iRows = ($oTable.rows.length) - 1 Local $iCols = ($oTable.rows.item(0).cells.length) - 1 Local $index _ArrayShuffle($aScientists) For $y = 0 To $iRows For $x = 0 To $iCols $index = ($y * ($iCols + 1)) + $x $oTable.rows.item($y).cells.item($x).innerText = $aScientists[$index][0] ; text $oTable.rows.item($y).cells.item($x).className = $aScientists[$index][1] ; class $oTable.rows.item($y).cells.item($x).draggable = $aScientists[$index][0] <> "" Next Next EndFunc ;==>_Randomize Func _Goal() Local $oTable1 = $ohJS.table1 ; names Local $oTable2 = $ohJS.table2 ; photos Local $iRows = ($oTable1.rows.length) Sleep(250) Local $iCols = 6 ; ($oTable1.rows.item(0).cells.length) Local $aIndex[$iRows * $iCols], $sTemp For $i = 0 To UBound($aIndex) - 1 $aIndex[$i] = $i ; + 1 Next _ArrayShuffle($aIndex) For $i = 0 To UBound($aIndex) - 1 $oTable2.rows.item(Int($aIndex[$i] / $iCols)).cells.item(Mod($aIndex[$i], $iCols)).innerText = "" $oTemp0 = $oTable2.rows $oTemp1 = $oTemp0.item(Int($aIndex[$i] / $iCols)).cells $oTemp2 = $oTemp1.item(Mod($aIndex[$i], $iCols)).getAttribute("style") $oTable2.rows.item(Int($aIndex[$i] / $iCols)).cells.item(Mod($aIndex[$i], $iCols)).setAttribute("style") = "background-color: " & _rndColor() Sleep(100); MsgBox(0,"Debug",$sTemp) $oTable2.rows.item(Int($aIndex[$i] / $iCols)).cells.item(Mod($aIndex[$i], $iCols)).setAttribute("style") = $oTemp2 Next For $x = 1 To 2 For $i = 0 To UBound($aIndex) - 1 $oTable1.rows.item(Int($aIndex[$i] / $iCols)).cells.item(Mod($aIndex[$i], $iCols)).setAttribute("style") = "background-color: " & _rndColor() Sleep(100) $oTable1.rows.item(Int($aIndex[$i] / $iCols)).cells.item(Mod($aIndex[$i], $iCols)).setAttribute("style") = "background-color: #ffffff;" Next Next EndFunc ;==>_Goal Func _rndColor() Return String("#" & Hex(Random(0, 255, 1), 2) & Hex(Random(0, 255, 1), 2) & Hex(Random(0, 255, 1), 2) & ";") EndFunc ;==>_rndColor Func _GetHTML() Local $sHTML = _ "<!DOCTYPE HTML>" & @CRLF & _ "<html>" & @CRLF & _ "<head>" & @CRLF & _ "<meta http-equiv=""X-UA-Compatible"" content=""IE=edge"" />" & @CRLF & _ " <script type=""text/javascript"">" & @CRLF & _ " var JSglobal = (1,eval)(""this"");" & @CRLF & _ " </script>" & @CRLF & _ "</head>" & @CRLF & _ "<body>" & @CRLF & _ "<h2>Who is who?</h2>" & @CRLF & _ "<p>Drag&Drop names on the right scientist</p>" & @CRLF & _ "<img src=""https://i.imgur.com/STWql7w.jpg""" & @CRLF & _ "height=""394"" width=""640""" & @CRLF & _ "style=""position: absolute; left: 10px; top: 100px;"">" & @CRLF & _ "" & @CRLF & _ "<style>" & @CRLF & _ ".target td {width: 100px; height: 160px; text-align: center; color: white; font-weight: bold; vertical-align: bottom; border: 0px solid grey;}" & @CRLF & _ ".source td {width: 100px; height: 30px; text-align: center; border: 1px solid red;}" & @CRLF & _ "</style>" & @CRLF & _ "" & @CRLF & _ "<table class=""target"" style=""position: absolute; left: 25px; top: 100px;"" id=""table2"">" & @CRLF & _ " <tr><td class=""Schrodinger""></td><td class=""Planck""></td><td class=""Pauli""></td><td class=""Einstein""></td><td class=""Chimp""></td><td class=""Dirac""></td></tr>" & @CRLF & _ " <tr><td class=""Heisenberg""></td><td class=""Born""></td><td class=""De_Broglie""></td><td class=""Bohr""></td><td class=""Sommerfeld""></td><td class=""empty""></td></tr>" & @CRLF & _ "</table>" & @CRLF & _ "" & @CRLF & _ "<table class=""source"" style=""position: absolute; left: 10px; top: 504px;"" id=""table1"">" & @CRLF & _ " <tr><td ID=""td1""></td><td ID=""td2""></td><td ID=""td3""></td><td ID=""td4"" ></td><td ID=""td5"" ></td><td ID=""td6"" ></td></tr>" & @CRLF & _ " <tr><td ID=""td7""></td><td ID=""td8""></td><td ID=""td9""></td><td ID=""td10""></td><td ID=""td11""></td><td ID=""td12""></td></tr>" & @CRLF & _ "</table>" & @CRLF & _ "</body>" & @CRLF & _ "</html>" Return $sHTML EndFunc ;==>_GetHTML  
    • By Phil1991
      Hi,
      I'm working on an interface and I have a problem with zoom management. In desktop mode it works and in android cell mode it seems to work fine too. However, on a Windows tablet, it seems to have a problem ... Basically what I'm trying to do is display a modal in bootstrap 4. But when on the tablet I zoom, my modal s really big and out of my screen. On the android mobile, I remove the zoom before displaying the modal but on the Windows tablet I am unable to reproduce the same behavior.
       
      My toggle function to reset zoom before display modal  ( Yeah it maybe sketches but I'm not find other solutions)
      function resetZooming() { if (zoomOut) { $('meta[name=viewport]').attr('content', 'width=device-width, initial-scale=1.0, maximum-scale=1'); setTimeout(resetZooming, 1000); zoomOut = false; }else{ $('meta[name=viewport]').attr('content', 'width=device-width, initial-scale=1.0'); zoomOut = true; } } And I call this function under my event
      $("#modalCreationForm").modal("show"); resetZooming();  
      If you have any ideas
      Thank you
    • By uncommon
      So I have been reading on how to use OAuth2 Service accounts(https://developers.google.com/identity/protocols/OAuth2ServiceAccount) and ran into an issue with autoit I can not solve. To keep this short to communicate to the Google API I need to use a JSON Web signature containing
      {Base64url encoded header}.{Base64url encoded claim set}.

      The Header and claim set work fine but I do not know how to convert them to a byte array using autoit. I have looked around on the forums and website but have not found anything that seems to work. Here is my code.
      #include-once #include <Array.au3> #include <Constants.au3> #include <Debug.au3> #include <File.au3> #include "Json.au3" #include <Process.au3> #include <ProgressConstants.au3> #include <String.au3> #include <WindowsConstants.au3> #include "WinHttp.au3" #include <UnixTime.au3> #include <StringConstants.au3> Global $UnixTime = _TimeGetStamp() $sJWTheader = '{"alg":"RS256","typ":"JWT"}' $sJWTclaimset = '{"iss":"Removed@forprivacy.com","scope":"https://www.googleapis.com/auth/spreadsheets","aud":"https://www.googleapis.com/oauth2/v4/token","exp":' & $UnixTime + 3600 & ',"iat":' & $UnixTime & '}' Local $taiData = DllStructCreate("BYTE[256]") Local $sText = _base64($sJWTheader)&'.'&_base64($sJWTclaimset) DllStructSetData($taiData, 1, StringToBinary($sText, 4)) Local $bvResult = DllStructGetData($taiData, 1) $sJWTSigature = $bvResult $sJWT = _base64($sJWTheader)&'.'&_base64($sJWTclaimset)&'.'&_base64($sJWTSigature) $POSTHeader = "Content-Type: application/x-www-form-urlencoded" $hOpen = _WinHttpOpen() $hConnect = _WinHttpConnect($hOpen, "https://www.googleapis.com/") $sRead = _WinHttpSimpleSSLRequest($hConnect, "POST", "oauth2/v4/token", Default, "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Ajwt-bearer&assertion=" & $sJWT) _WinHttpCloseHandle($hConnect) _WinHttpCloseHandle($hOpen) ConsoleWrite($sRead & @LF) The whole bytes thing is beyond with what I know about auotit. I can't tell what I need to fix.
       
       
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