[x3d-public] X3DJSAIL/X3DJSONLD.java JSON export fails parse
John Carlson
yottzumm at gmail.com
Sat Apr 3 13:57:42 PDT 2021
Updating/Recompiling X3DJSAIL did not fix the issue.
Things seem to point to either X3DJSAIL, X3DJSONLD.java (hm?) or
X3dToJson.xslt. I will look into substrings in X3DJSONLD.java
John
On 4/3/21 3:09 PM, John Carlson wrote:
> X3D JSON, as generated from X3DJSAIL (X3dToJson.xslt?) does not parse.
>
> Attaching examples/Json.json as exported from
> /c/x3d-code/www.web3d.org/x3d/stylesheets/java/src/net/coderextreme/JsonConversion.java
>
> Suggestion: use jsonlint to dignose newline or carriage-return in
> @content value
>
> $ jsonlint examples/Json.json > HWPPP.json
> Error: Parse error on line 85:
> ...iption","@content":"Example HelloWorldP
> ----------------------^
> Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '[', got
> 'undefined'
> at Object.parseError
> (/usr/local/lib/node_modules/jsonlint/lib/jsonlint.js:55:11)
> at Object.parse
> (/usr/local/lib/node_modules/jsonlint/lib/jsonlint.js:132:22)
> at parse (/usr/local/lib/node_modules/jsonlint/lib/cli.js:82:14)
> at main (/usr/local/lib/node_modules/jsonlint/lib/cli.js:135:14)
> at Object.<anonymous>
> (/usr/local/lib/node_modules/jsonlint/lib/cli.js:179:1)
> at Module._compile (internal/modules/cjs/loader.js:1138:30)
> at Object.Module._extensions..js
> (internal/modules/cjs/loader.js:1158:10)
> at Module.load (internal/modules/cjs/loader.js:986:32)
> at Function.Module._load (internal/modules/cjs/loader.js:879:14)
> at Function.executeUserEntryPoint [as runMain]
> (internal/modules/run_main.js:71:12)
>
> I am pretty much clueless at this point. I think things point to
> X3dToJson.xslt, but I'm unsure how the newline/carriage-return got
> introduced.
>
> Another possible clue is here:
>
> HelloWorldProgramOutputX3dom.xhtml: <meta content='Example
> HelloWorldProgram creates an X3D model using the X3D Java Scene
>
> Perhaps some kind of copy/pasting going on?
>
> I recently upgraded, so I'm going to rebuild X3DJSAIL. I didn't see
> much in the diff, but maybe, just maybe.
>
> John
>
> On 4/3/21 2:39 PM, John Carlson wrote:
>> I will start looking at X3DLoaderDOM.java for possible issues.
>>
>> John
>>
>> On 4/3/21 2:37 PM, John Carlson wrote:
>>> I know I am not presenting as well as I can. In summary,
>>> X3DJSONLD.java should look at containerFields and defaults
>>> (perhaps), and X3DLoaderDOM.java should look at DISEntityTypeMapping
>>> (children of DISEntityManager) and children of LoadSensor. This
>>> will be a good start at finishing off X3DJSONLD extensions to
>>> X3DJSAIL, and likely enhance DOM document loading in X3DJSAIL.
>>>
>>> ==============================
>>>
>>> I found an XML pretty printer.
>>>
>>> The main differences between JsonConversion.java [ XML DOM output]
>>> (HWP.x3d, previously posted) and HelloWorldProgramOutput.x3d appear
>>> to be containerFields and default values. ContainerFields are well
>>> known that I strip those out in X3DJSONLD.java...should be an easy fix.
>>>
>>> HWPJSON.x3d is pretty printed X3D XML output from JsonConversion,
>>> and HWPO.x3d is pretty printed HelloWorldProgramOutput.x3d (see
>>> xmllint commands below).
>>>
>>> Note that DISEntityTypeMapping is in the XML DOM output from
>>> JsonConversion.java (HWP.x3d), perhaps there's a problem with
>>> X3DLoaderDOM?
>>>
>>>
>>> LoadSensor children don't seem to be handled in X3DLoaderDOM?
>>>
>>>
>>> I can post output from running JsonConversion.java, if desired, it's
>>> kind of long. I have already posted how to compile and run.
>>>
>>> /c/x3d-code/www.web3d.org/x3d/stylesheets/java/src$ cat
>>> ../examples/HelloWorldProgramOutput.x3d | xmllint --format - > HWPO.x3d
>>> /c/x3d-code/www.web3d.org/x3d/stylesheets/java/src$ cat
>>> examples/Json.x3d | xmllint --format - > HWPJSON.x3d
>>>
>>> /c/x3d-code/www.web3d.org/x3d/stylesheets/java/src$ diff HWPJSON.x3d
>>> HWPO.x3d
>>> 40,42d39
>>> < <meta content="04 February 2021" name="translated"/>
>>> < <meta content="X3dToJson.xslt,
>>> https://www.web3d.org/x3d/stylesheets/X3dToJson.html"
>>> name="generator"/>
>>> < <meta content="X3D JSON encoding:
>>> https://www.web3d.org/wiki/index.php/X3D_JSON_Encoding"
>>> name="reference"/>
>>> 44a42
>>> > <MetadataSet name="topLevelSceneMetadata"/>
>>> 223c221
>>> <
>>> ---
>>> >
>>> 298a297,299
>>> > <ProtoInstance DEF="Proto1" name="NewWorldInfo">
>>> > <fieldValue name="description" value="testing 1 2 3"/>
>>> > </ProtoInstance>
>>> 301a303
>>> > <ProtoInstance DEF="Proto3" name="NewWorldInfo"/>
>>> 337c339,341
>>> < <DISEntityManager/>
>>> ---
>>> > <DISEntityManager>
>>> > <DISEntityTypeMapping/>
>>> > </DISEntityManager>
>>> 345c349,351
>>> < <DISEntityManager/>
>>> ---
>>> > <DISEntityManager>
>>> > <DISEntityTypeMapping/>
>>> > </DISEntityManager>
>>> 348a355,367
>>> > <Anchor USE="siteAnchor"/>
>>> > <Inline USE="inlineScene"/>
>>> > <DISEntityTypeMapping/>
>>> > <GeoMetadata/>
>>> > <AudioClip containerField="children"/>
>>> > <ImageCubeMapTexture containerField="children"/>
>>> > <ImageTexture3D containerField="children"/>
>>> > <ImageTexture containerField="children"/>
>>> > <MovieTexture containerField="children"/>
>>> > <Script/>
>>> > <PackagedShader containerField="children"/>
>>> > <ShaderPart containerField="children"/>
>>> > <ShaderProgram containerField="children"/>
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