fesapiWasmExample/index.html at main · F2I-Consulting/fesapiWasmExample · GitHub

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<!doctype html>
<html lang="en-us">
  <head>
    <meta charset="utf-8">
    <title>Fesapi WebAssembly Workbench</title>
    <style>
      #entry, #prompt {
        font-family: monospace;
      }
    </style>
  </head>
  <body>
    <h1>Fesapi WebAssembly Workbench</h1>
    <h2 id="status">Loading JavaScript...</h2>
    <div id="log">
    </div>
    <form id="form">
      <label id="prompt" for="input">&gt;&nbsp;</label>
      <input type="file" id="input" name="input" accept=".epc"
             placeholder="Choose an epc file"
             size="80"
             multiple>
    </form>
  </body>
  <!-- <script type='text/javascript'>
    let beginLoad = Date.now();
    let $ = document.getElementById.bind(document);

    let addLog = (container, html) => {
      let e = document.createElement(container);
      e.innerHTML = html
      document.getElementById("log").appendChild(e);
    };
    let defCount = 0;
    let ignoredDefinitions = new Set();

    var config = {
      locateFile: () => './dist/fesapi.wasm.wasm'
    }

    var Fesapi = {
      preRun() {
        document.getElementById("status").innerHTML = "Initializing WebAssembly...";
        for (let k in Fesapi) ignoredDefinitions.add(k);
      },
      postRun() {

        document.getElementById("status").innerHTML = "Ready.";
        document.getElementById("form").hidden = false;
        for (let k in Fesapi)
          if (!(k in window) && !ignoredDefinitions.has(k))
            window[k] = Fesapi[k];
        addLog('p', `Welcome to <a href="https://github.com/F2I-Consulting/fesapi/">Fesapi</a>.  Loading took ${Date.now() -
    beginLoad}ms.`);
      },
    };

    const UPLOADED_FILES = [];

    function cF64Array(size) {
      var offset = Fesapi._malloc(size * 8);
      Fesapi.HEAPF64.set(new Float64Array(size), offset / 8);
      return {
          "data": Fesapi.HEAPF64.subarray(offset / 8, offset / 8 + size),
          "offset": offset
      }
    }

    function test_fesapi() {

      //choose good file
      let local_file = UPLOADED_FILES[0];
      extension = local_file.substring(local_file.lastIndexOf('.') + 1);
      if(extension !== "epc")
      {
        local_file = UPLOADED_FILES[1];
      }

      addLog('p', local_file);
      addLog('p', typeof Fesapi);
      addLog('p', typeof Fesapi.DataObjectRepository);
      let repo = new Fesapi.DataObjectRepository();
      if(repo.getDefaultEmlVersion() == Fesapi.EnergisticsStandard.EML2_3) {
        addLog('p', 'EML2_3');
      }
      else {
        addLog('p', 'Other version');
      }

      let epc_doc = new Fesapi.EpcDocument(local_file); //file.name);
      let res = epc_doc.deserializeInto(repo, Fesapi.openingMode.READ_ONLY);
      addLog('p', res);
      //epc_doc.close();
      var uuids = repo.getUuids();
      for (let i = 0; i < uuids.size(); i++)
      {
        addLog('p', uuids.get(i));
      }
      for (let i = 0; i < repo.getFaultCount(); i++)
      {
        addLog('p', repo.getFault(i).getTitle());
      }

      var hdfProxyCount = repo.getHdfProxyCount();
      addLog('p', 'There are ' + hdfProxyCount + ' hdf files associated to this epc document.');

      for (let hdfProxyIndex = 0; hdfProxyIndex < hdfProxyCount; ++hdfProxyIndex)
      {
        addLog('p', 'Hdf file relative path : ' + repo.getHdfProxy(hdfProxyIndex).getRelativePath());
      }

      for (let warningIndex = 0; warningIndex < repo.getWarnings().size(); ++warningIndex)
      {
        addLog('p', 'Warning #' + warningIndex + ' : ' + repo.getWarnings().get(warningIndex));
      }

      for (let i = 0; i < repo.getFaultPolylineSetRepresentationCount(); i++)
      {
        var faultPolyRep = repo.getFaultPolylineSetRepresentation(i);
        addLog('p', typeof faultPolyRep);
        addLog('p', 'Fault PolylineSet name: ' + faultPolyRep.getTitle());
        var nodeCount = faultPolyRep.getXyzPointCountOfAllPatches();
        addLog('p', 'node Count: ' + nodeCount);
        //var allXyzPoints = cF64Array(parseInt(nodeCount) * 3);
        //let allXyzPoints = new Float64Array(parseInt(nodeCount) * 3);
        let allXyzPoints = new Fesapi.vectorDouble();
        allXyzPoints.resize(parseInt(nodeCount) * 3, 1.);
        faultPolyRep.getXyzPointsOfAllPatchesInGlobalCrs(allXyzPoints);
        for (let i = 0; i < allXyzPoints.size(); ++i)
        {
          addLog('p', 'value #' + i + ' : ' + allXyzPoints.get(i));
        }

        allXyzPoints.delete();
      }


    }

    function copyFiles(file){
      return new Promise(function(resolve, reject){
        let reader = new FileReader();
        let datafilename = file.name;

        reader.onloadend = function(evt){
          let data = evt.target.result;
          //FS.writeFile(datafilename, new Uint8Array(data));

            if (!UPLOADED_FILES.includes(datafilename)) {
                UPLOADED_FILES.push(datafilename);
                console.log("file loaded:", datafilename);
            }
            else {
                console.log("file updated: ", datafilename)
            }
            resolve(reader.result);
        };

        reader.onerror = function(){
            reject(reader);
        };

        reader.readAsArrayBuffer(file);
      });
    }

    function uploader() {
      let files = this.files;
      let readers = [];

      // Abort if there were no files selected
      if(!files.length) return;

      // Store promises in array
      for(let i = 0;i < files.length;i++){
          readers.push(copyFiles(files[i]));
      }

      // Trigger Promises
      Promise.all(readers).then((values) => {
          console.log(values);
          test_fesapi();
      });
    }


    document.getElementById("input").onchange = uploader;


  </script> -->

  <!-- <script type="text/javascript" src="./fesapi.wasm.js"></script> -->
  <script type="module" src="./main.js"></script>
</html>