Re: Still trying to validate an XML Schema

Hi,

Maybe it would be useful to use fetch() instead of XMLHttpRequest, and
DOMParser to parse the SVG and extract data easily.

Claudius

https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch

https://developer.mozilla.org/en-US/docs/Web/API/DOMParser


On Fri, 21 Jun 2024, 22:39 Ted Hickox, <[email protected]> wrote:

> Good afternoon.  I finally took a better look at my code and noticed that
> my file had been saved as an Xquery instead of a Javascript file.  So I
> copied and pasted my text to a new file.  I destroyed the old file and
> renamed the new file.  That took care of the previous error.  Now I have a
> different error.  It's called an assignment in a conditional error.  Here
> is the code again if you need to see it.
>
> var SVG_Data;
> var Retrieved_Data;
> var Attribute_List;
> var Coordinate_List;
> var Counter;
> function Setup() {
>      SVG_Data = new XMLHttpRequest();
>      SVG_Data.open("GET","
> http://localhost:8080/exist/rest/db/apps/HTML_Student/SVG_Ellipse.xq",
> true);
>      SVG_Data.onreadystatechange = function () {
>          if (SVG_Data.readyState = 4) {
>             Retrieved_Data = SVG_Data.responseText;
>             Retrieved_Data = Retrieved_Data.split("*");
>             Attribute_List = "";
>             Coordinate_List = "";
>             for (Counter = 0; Counter < 8; Counter++) {
>       Attribute_List = Attribute_List + Retrieved_Data[Counter] + "*";
>   Counter = Counter + 1;
>   Coordinate_List = Coordinate_List + Retrieved_Data[Counter] + "*";}
>   Attribute_List = Attribute_List.split("*");
>       Coordinate_List = Coordinate_List.split("*");
>       Coordinate = "<ellipse id = 'My_Ellipse'";
>     for (Counter = 0; Counter < 4; Counter++) {
>          Coordinate = Coordinate + " " + Attribute_List[Counter] + " = '"
> + Coordinate_List[Counter] + "'";}
>     Coordinate = Coordinate + ">";
>      document.getElementById("Image_Box").innerHTML = Coordinate;
>          }
>      };
> }
>    SVG_Data.send();
>
> On Thu, Jun 20, 2024 at 7:52 PM Ted Hickox <[email protected]> wrote:
>
>> I wasn't aware that the eXist database had the arrow on the bottom of the
>> screen.  I clicked the arrow and the schema for my HTML page appeared.  But
>> I also discovered another error in my code.  This involves the javascript
>> document that my HTML document references in my script tag.
>>
>> The error states that I have an unexpected token and it refers to my
>> SVG_Data variable.  I have no idea what a token is or why SVG_Data was
>> considered a token.  Here is my javascript code:
>>
>> var SVG_Data
>> var Retrieved_Data
>> var Attribute_List
>> var Coordinate_List
>> var Counter
>> function Setup() {
>>      SVG_Data = new XMLHttpRequest();
>>      SVG_Data.open("GET","
>> http://localhost:8080/exist/rest/db/apps/HTML_Student/SVG_Ellipse.xq",
>> true);
>>      SVG_Data.onreadystatechange = function () {
>>          if (SVG_Data.readyState = 4) {
>>             Retrieved_Data = SVG_Data.responseText;
>>             Retrieved_Data = Retrieved_Data.split("*");
>>             Attribute_List = "";
>>             Coordinate_List = "";
>>             for (Counter = 0; Counter < 8; Counter++) {
>>       Attribute_List = Attribute_List + Retrieved_Data[Counter] + "*";
>>   Counter = Counter + 1;
>>   Coordinate_List = Coordinate_List + Retrieved_Data[Counter] + "*";}
>>   Attribute_List = Attribute_List.split("*");
>>       Coordinate_List = Coordinate_List.split("*");
>>       Coordinate = "<ellipse id = 'My_Ellipse'";
>>     for (Counter = 0; Counter < 4; Counter++) {
>>          Coordinate = Coordinate + " " + Attribute_List[Counter] + " = '"
>> + Coordinate_List[Counter] + "'";}
>>     Coordinate = Coordinate + ">"
>>      document.getElementById("Image_Box").innerHTML = Coordinate;
>>          }
>>      }
>>    SVG_Data.send();
>>
>> I'm presuming that my SVG_Data becomes an object and that a new
>> XMLHTTPRequest is stored in this object.  Or is it that when the variable
>> SVG_Data is equalled to the new XMLHTTPRequest that the variable just
>> becomes an programming object.  I don't seem to have a full grasp on the
>> Document Object Model.  But I'm trying to grasp this concept as fast as I
>> can.
>>
>> On Thu, Jun 20, 2024 at 10:57 AM Florian Schmitt <
>> [email protected]> wrote:
>>
>>> Hi Ted,
>>>
>>> i assume "*open in the eXist database*" means to open the file in
>>> *eXide*. If yes, then check the file type in the upper right corner. If
>>> it's HTML, you can't "run" or "eval" it in eXide:
>>>
>>>
>>> Changing the file type to "xquery" should at least enable the "eval"
>>> button.
>>>
>>> For static HTML files (as in your case), you can use the arrow symbol in
>>> the lower left corner of the code area to open the file in a new browser
>>> tab:
>>>
>>>
>>> Greetings,
>>> Florian
>>>
>>>
>>> Am 20.06.24 um 01:40 schrieb Ted Hickox:
>>>
>>> I adjusted my code and my project finally worked.  My HTML document was
>>> properly validated by my schema.  But I have a new problem.  This is my
>>> HTML code:
>>>
>>> <html xmlns="http://www.TedTheSpeedlearner.com" xmlns:xsi="
>>> http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
>>> http://www.TedTheSpeedlearner.com SVG_Ellipse_Webpage_XML_Schema.xsd">
>>>     <head>
>>>         <title>SVG Ellipse</title>
>>>         <link rel="stylesheet" type="text/css" href="
>>> http://localhost:8080/exist/rest/db/apps/HTML_Student/SVG_Ellipse.css"/>
>>>         <script language="javascript" src="
>>> http://localhost:8080/exist/rest/db/apps/HTML_Student/SVG_Ellipse.js"/>
>>>     </head>
>>>     <body onload="Setup()">
>>>         <svg id="Image_Box">
>>>             <ellipse id="My_Ellipse"/>
>>>         </svg>
>>>     </body>
>>> </html>
>>>
>>> When I open this in the eXist database, the run button is grayed out.
>>> Is there something wrong with my code?
>>>
>>>
>>> _______________________________________________
>>> Exist-open mailing list
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>>> https://lists.sourceforge.net/lists/listinfo/exist-open
>>>
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