SD card log fields list should be auto-generated #3985

java_tools/configuration_definition/src/main/java/com/rusefi/ConfigField.java

@@ -4,6 +4,7 @@ import com.devexperts.logging.Logging;
 import com.opensr5.ini.field.EnumIniField;
 import com.rusefi.core.Pair;
 import com.rusefi.output.ConfigStructure;
+import com.rusefi.output.DataLogConsumer;
 import com.rusefi.output.JavaFieldsConsumer;
 
 import java.util.Arrays;
@@ -397,7 +398,10 @@ public class ConfigField {
         return isFromIterate;
     }
 
-    // todo: find more usages for this method?
+    /**
+     * todo: find more usages for this method?
+     * @see DataLogConsumer.getComment
+     */
     public String getCommentOrName() {
         if (comment == null || comment.trim().isEmpty())
             return quote(name);

java_tools/configuration_definition/src/main/java/com/rusefi/output/SdCardFieldsConsumer.java

@@ -0,0 +1,56 @@
+package com.rusefi.output;
+
+import static com.rusefi.output.JavaSensorsConsumer.quote;
+
+import com.rusefi.ConfigField;
+import com.rusefi.ReaderState;
+
+import java.io.IOException;
+
+public class SdCardFieldsConsumer implements ConfigurationConsumer {
+    private final StringBuilder body = new StringBuilder();
+    private final String outputFileName;
+
+    public SdCardFieldsConsumer(String outputFileName) {
+        this.outputFileName = outputFileName;
+    }
+
+    @Override
+    public void startFile() {
+        ConfigurationConsumer.super.startFile();
+    }
+
+    @Override
+    public void endFile() throws IOException {
+        ConfigurationConsumer.super.endFile();
+    }
+
+    @Override
+    public void handleEndStruct(ReaderState state, ConfigStructure structure) throws IOException {
+        if (state.stack.isEmpty()) {
+            PerFieldWithStructuresIterator iterator = new PerFieldWithStructuresIterator(state, structure.tsFields, "",
+                    this::processOutput, ".");
+            iterator.loop();
+            String content = iterator.getContent();
+            body.append(content);
+        }
+    }
+
+    private String processOutput(ReaderState readerState, ConfigField configField, String prefix) {
+
+
+        return "\t{engine->outputChannels." + configField.getName() +
+                ", "
+                + DataLogConsumer.getComment(prefix, configField, readerState.variableRegistry) +
+                ", " +
+                quote(configField.getUnits()) +
+                ", " +
+                configField.getDigits() +
+
+                "},\n";
+    }
+
+    public String getBody() {
+        return body.toString();
+    }
+}

java_tools/configuration_definition/src/test/java/com/rusefi/test/SdCardFieldsGeneratorTest.java

@@ -0,0 +1,37 @@
+package com.rusefi.test;
+
+import static org.junit.Assert.assertEquals;
+
+import com.rusefi.ReaderState;
+import com.rusefi.output.SdCardFieldsConsumer;
+
+import org.junit.Test;
+
+public class SdCardFieldsGeneratorTest {
+    @Test
+    public void outputs() {
+        String test = "struct_no_prefix output_channels_s\n" +
+                "uint16_t autoscale RPMValue;@@GAUGE_NAME_RPM@@;\"RPM\",1, 0, 0, 8000, 0\n" +
+                "\n" +
+                "uint16_t rpmAcceleration;dRPM;\"RPM/s\",1, 0, 0, 5, 0\n" +
+                "\n" +
+                "\tuint16_t autoscale speedToRpmRatio;@@GAUGE_NAME_GEAR_RATIO@@;\"value\",{1/@@PACK_MULT_PERCENT@@}, 0, 0, 0, 0\n" +
+                "\tint8_t autoscale internalMcuTemperature;@@GAUGE_NAME_CPU_TEMP@@;\"deg C\",1, 0, 0, 0, 0\n" +
+                "end_struct";
+
+        ReaderState state = new ReaderState();
+        state.variableRegistry.register("PACK_MULT_PERCENT", 100);
+        state.variableRegistry.register("GAUGE_NAME_RPM", "\"hello\"");
+        state.variableRegistry.register("GAUGE_NAME_GEAR_RATIO", "ra");
+        state.variableRegistry.register("GAUGE_NAME_CPU_TEMP", "te");
+
+
+        SdCardFieldsConsumer consumer = new SdCardFieldsConsumer(null);
+        state.readBufferedReader(test, consumer);
+        assertEquals("\t{engine->outputChannels.RPMValue, \"hello\", \"RPM\", 0},\n" +
+                "\t{engine->outputChannels.rpmAcceleration, \"dRPM\", \"RPM/s\", 0},\n" +
+                "\t{engine->outputChannels.speedToRpmRatio, \"ra\", \"value\", 0},\n" +
+                "\t{engine->outputChannels.internalMcuTemperature, \"te\", \"deg C\", 0},\n" +
+                "\t{engine->outputChannels.alignmentFill_at_7, \"need 4 byte alignment\", \"units\", 0},\n", consumer.getBody());
+    }
+}