[x3d-public] JSON Schema meeting minutes

[John Carlson]

On 10/30/21 17:51, Joseph D Williams wrote:
>
> For me, the JSON should be standardized when it can be clearly shown 
> to be an accurate set of rules when transcoding between the XML, the 
> Classic, and the JSON, given the idea that the XML is the defining 
> schema. That is, for a given set of data, equivalent results can be 
> produced to and from equivalent data in other standard forms.
>
Our tools are not yet adequate to test this.  Roundtripping has been 
done, but we're still investigating XML -> JSON -> XML (via X3DJSAIL).  
I personally have done roundtripping and some investigation.  We will 
need to focus on a few examples instead of the whole archive.

Here are some changes that I see worthwhile:

www.web3d.org/x3d/stylesheets$ svn diff X3dTo*.xslt
Index: X3dToJson.xslt
===================================================================
--- X3dToJson.xslt      (revision 32565)
+++ X3dToJson.xslt      (working copy)
@@ -359,7 +359,7 @@
                                     <xsl:text>
</xsl:text>
                                     <xsl:call-template 
name="print-indent"><xsl:with-param name="indent" 
select="$indent+4"/></xsl:call-template>
                                     <!-- TODO no guidance yet on how to 
properly mark the governing schema within a JSON file at 
http://json-schema.org -->
-                                    <xsl:text>"JSON 
schema":"https://www.web3d.org/specifications/x3d-3.3-JSONSchema.json"</xsl:text>
+                                    <xsl:text>"JSON 
schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.json"</xsl:text>
                                     <xsl:text>,</xsl:text>
                             </xsl:if>

Index: X3dToNodeJS.xslt
===================================================================
--- X3dToNodeJS.xslt    (revision 32565)
+++ X3dToNodeJS.xslt    (working copy)
@@ -299,7 +299,8 @@
        }
}
</xsl:text><!-- class complete -->
-<xsl:text>new </xsl:text><xsl:value-of 
select="$newClassName"/><xsl:text>().main();</xsl:text>
+<xsl:text>new </xsl:text><xsl:value-of 
select="$newClassName"/><xsl:text>().main();
+process.exit(0);</xsl:text>


     </xsl:template>
@@ -2243,9 +2244,22 @@
                                <xsl:if test="(local-name() = 'class')">
                                        <xsl:text>Css</xsl:text><!-- 
method prefix -->
                                </xsl:if>
+                               <xsl:if test="(local-name() = 'style')">
+                                       <xsl:text>Css</xsl:text><!-- 
method prefix -->
+                               </xsl:if>
+                               <xsl:if test="(local-name() = 'id')">
+                                       <xsl:text>Html</xsl:text><!-- 
method prefix -->
+                               </xsl:if>
                                <!-- upper camel case -->
-                               <xsl:value-of 
select="translate(substring(name(),1,1),'abcdefghijklmnopqrstuvwxyz','ABCDEFGHIJKLMNOPQRSTUVWXYZ')"/>
-                               <xsl:value-of 
select="substring(name(),2)"/>
+                               <xsl:if test="(local-name() = 'id')">
+                                       <xsl:value-of 
select="translate(substring(name(),1,2),'abcdefghijklmnopqrstuvwxyz','ABCDEFGHIJKLMNOPQRSTUVWXYZ')"/>
+                               </xsl:if>
+
+                               <xsl:if test="(local-name() != 'id')">
+                                       <xsl:value-of 
select="translate(substring(name(),1,1),'abcdefghijklmnopqrstuvwxyz','ABCDEFGHIJKLMNOPQRSTUVWXYZ')"/>
+                                       <xsl:value-of 
select="substring(name(),2)"/>
+                               </xsl:if>
+
                                <xsl:text>(</xsl:text>

                                <xsl:variable name="nodeNumber" 
    select="count(../preceding::*) + 1"/>



www.web3d.org/x3d/stylesheets$ svn diff 
CreateX3dSceneAccessInterfaceJava.xslt
Index: CreateX3dSceneAccessInterfaceJava.xslt
===================================================================
--- CreateX3dSceneAccessInterfaceJava.xslt      (revision 32565)
+++ CreateX3dSceneAccessInterfaceJava.xslt      (working copy)
@@ -35831,7 +35831,21 @@
                                                                        childElementName.equals("GeoMetadata")    || childElementName.equals("ImageCubeMapTexture") || childElementName.equals("ImageTexture3D") ||
                                                                        childElementName.equals("ImageTexture")   || childElementName.equals("Inline")              || childElementName.equals("MovieTexture") ||
                                                                        childElementName.equals("PackagedShader") || childElementName.equals("Script")              || childElementName.equals("ShaderPart") ||
- 
                                                                       childElementName.equals("ShaderProgram"))
+ 
                                                                       childElementName.equals("ShaderProgram")
+|| childElementName.equals("Anchor")
+|| childElementName.equals("Inline")
+|| childElementName.equals("DISEntityTypeMapping")
+|| childElementName.equals("GeoMetadata")
+|| childElementName.equals("AudioClip")
+|| childElementName.equals("ImageCubeMapTexture")
+|| childElementName.equals("ImageTexture3D")
+|| childElementName.equals("ImageTexture")
+|| childElementName.equals("MovieTexture")
+|| childElementName.equals("Script")
+|| childElementName.equals("PackagedShader")
+|| childElementName.equals("ShaderPart")
+|| childElementName.equals("ShaderProgram")
+)
                                                                    && 
(containerField.equals("children") || containerField.equals("watchList") 
|| containerField.equals("texture") || containerField.equals("programs") ||
                                                                        containerField.equals("parts")    || containerField.equals("mapping")   || containerField.equals("shaders") || containerField.equals("source"))) // children is new
name in X3D4, otherwise still a common, unambiguous error
                                                                        ((LoadSensor)elementObject).addChildren((X3DNode) childX3dElement); // formerly addWatchList in X3D3
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