Save work.

Author: michaelrsweet

ippevetool/lib/ipptool.dart

@@ -1,5 +1,5 @@
 //
-// ipptool support function.
+// ipptool support functions.
 //
 // Copyright © 2024 by the IEEE-ISTO Printer Working Group.
 //
@@ -13,8 +13,30 @@ import 'dart:convert';
 import 'package:xml/xml.dart';
 
 
-Future<XmlDocument> ipptool({required String testfile, String? datafile, Map<String, String>? vars}) async {
-    List<String> args = [testfile];     // Command-line arguments
+// Get the printer attributes as Map<String,dynamic> value
+Future<Map<String,dynamic>> ipptoolGetAttributes({required String printerUri}) async {
+    var process = await Process.start("ipptool", ["-j", printerUri, "get-printer-attributes.test"]);
+    var json = "";
+    process.stderr.pipe(stderr);
+    await process.stdout
+        .transform(utf8.decoder)
+        .forEach((text) {
+            json = json + text;
+        });
+    var result = process.exitCode;
+
+    print("result=$result\n");
+    print("json=$json\n");
+  
+    const JsonDecoder decoder = JsonDecoder();
+ 
+    return (decoder.convert(json)[1]);
+}
+
+
+// Run an ipptool test file and return the results as an XML plist file
+Future<XmlDocument> ipptoolRunTest({required String printerUri, required String testfile, String? datafile, Map<String, String>? vars}) async {
+    List<String> args = [printerUri];   // Command-line arguments
 
     if (datafile != null) {
         args.add("-f");
@@ -27,6 +49,8 @@ Future<XmlDocument> ipptool({required String testfile, String? datafile, Map<Str
         });
     }
 
+    args.add(testfile);
+
     var process = await Process.start("ipptool", args);
     var plist = "";
     process.stderr.pipe(stderr);

ippevetool/lib/main.dart

@@ -4,7 +4,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:nsd/nsd.dart';
 import 'package:url_launcher/url_launcher.dart';
-import 'package:xml/xml.dart';
+//import 'package:xml/xml.dart';
+import 'ipptool.dart';
 
 void main() {
   runApp(const IppEveToolApp());
@@ -165,11 +166,18 @@ class _IppEveDetailsPageState extends State<IppEveDetailsPage> {
                 ],
                 rows: _buildTxtRows(widget.printer.txt),
               ))),
-            ]),
-//          ListView(// IPP Attributes
-//            children: [
-//            ],
-//          ),
+
+            // IPP Attributes
+              const Row(children: [
+                Text("     IPP Attributes:", textAlign: TextAlign.left, style: TextStyle(fontWeight: FontWeight.bold)),
+              ]),
+            Expanded(child: SingleChildScrollView(child: DataTable(columns: const [
+                DataColumn(label: SizedBox(width: 100,child: Text("Name"),)),
+                DataColumn(label: Expanded(child: Text("Value"))),
+              ],
+              rows: _buildAttrRows(widget.printer),
+            ))),
+
 //          ListView(// Print File
 //            children: [
 //            ],
@@ -180,6 +188,7 @@ class _IppEveDetailsPageState extends State<IppEveDetailsPage> {
 //          ),
 //        ],
 //      ),
+            ]),
       bottomNavigationBar: BottomNavigationBar(
         items: const [
           BottomNavigationBarItem(
@@ -209,6 +218,40 @@ class _IppEveDetailsPageState extends State<IppEveDetailsPage> {
     );
   }
 
+  // Build a list of attribute name and value data rows
+  List<DataRow> _buildAttrRows(Service printer) {
+    var list = <DataRow>[ ];
+
+    if (printer.host != null && printer.port != null && printer.txt != null) {
+      // Have a hostname, port, and TXT record...
+      var rp = "/ipp/print";
+
+      if (printer.txt!["rp"] != null) {
+        // Use the "rp" value from the TXT record...
+        Uint8List rpraw = printer.txt!["rp"]!;
+        rp = const Utf8Decoder().convert(rpraw);
+        if (rp[0] != '/') {
+          rp = "/$rp";
+        }
+      }
+
+      // Build the printer URI...
+      var uri = "ipp://${printer.host}:${printer.port}$rp";
+
+      // Get the attributes as a JSON object
+      ipptoolGetAttributes(printerUri: uri).then((attrs){
+        attrs.forEach((key,value){
+          list.add(DataRow(cells: [
+            DataCell(Text(key)),
+            DataCell(Expanded(child: Text(value, softWrap: true)), onTap:(){ _tapValue(context, value); }),
+          ]));
+        });
+      });
+    }
+
+    return (list);
+  }
+
   List<DataRow> _buildTxtRows(Map<String, Uint8List?>? txt) {
     var list = <DataRow>[ ];
 

ippevetool/pubspec.lock

@@ -297,26 +297,26 @@ packages:
     dependency: "direct main"
     description:
       name: url_launcher
-      sha256: e9aa5ea75c84cf46b3db4eea212523591211c3cf2e13099ee4ec147f54201c86
+      sha256: d25bb0ca00432a5e1ee40e69c36c85863addf7cc45e433769d61bed3fe81fd96
       url: "https://pub.dev"
     source: hosted
-    version: "6.2.2"
+    version: "6.2.3"
   url_launcher_android:
     dependency: transitive
     description:
       name: url_launcher_android
-      sha256: c0766a55ab42cefaa728cabc951e82919ab41a3a4fee0aaa96176ca82da8cc51
+      sha256: "507dc655b1d9cb5ebc756032eb785f114e415f91557b73bf60b7e201dfedeb2f"
       url: "https://pub.dev"
     source: hosted
-    version: "6.2.1"
+    version: "6.2.2"
   url_launcher_ios:
     dependency: transitive
     description:
       name: url_launcher_ios
-      sha256: "46b81e3109cbb2d6b81702ad3077540789a3e74e22795eb9f0b7d494dbaa72ea"
+      sha256: cdb7b6da34483f9b2c9f8b2b29bc468fa7271d92e2021607ca0c4d3bcb04cdd4
       url: "https://pub.dev"
     source: hosted
-    version: "6.2.2"
+    version: "6.2.3"
   url_launcher_linux:
     dependency: transitive
     description:
@@ -337,10 +337,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_platform_interface
-      sha256: f099b552bd331eacd69affed7ff2f23bfa6b0cb825b629edf3d844375a7501ad
+      sha256: a932c3a8082e118f80a475ce692fde89dc20fddb24c57360b96bc56f7035de1f
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.1"
+    version: "2.3.1"
   url_launcher_web:
     dependency: transitive
     description:
@@ -361,10 +361,10 @@ packages:
     dependency: transitive
     description:
       name: uuid
-      sha256: "22c94e5ad1e75f9934b766b53c742572ee2677c56bc871d850a57dad0f82127f"
+      sha256: "8c951c9cb6504b2aa6b3666e6de504032d9baec24bf4cbabd3eea9edd73d4d77"
       url: "https://pub.dev"
     source: hosted
-    version: "4.2.2"
+    version: "4.3.2"
   vector_math:
     dependency: transitive
     description:

libcups

@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# Get attributes as JSON.
+#
+# Usage:
+#
+#   ./getjson.sh PRINTER-URI FILENAME.json
+#
+
+if test $# != 2; then
+	echo "Usage: ./getjson.sh PRINTER-URI FILENAME.json"
+	exit 1
+fi
+
+ipptool -j "$1" get-printer-attributes.test >"$2"