Implemented custom properties parser

5 files changed, 186 insertions, 3 deletions

diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java b/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java
index 4ebfff8..0a0051f 100644
--- a/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/CITResewn.java
@@ -1,13 +1,10 @@
 package shcm.shsupercm.fabric.citresewn;
 
 import net.fabricmc.api.ClientModInitializer;
-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import shcm.shsupercm.fabric.citresewn.config.CITResewnConfig;
 
-@Environment(EnvType.CLIENT)
 public class CITResewn implements ClientModInitializer {
     public static final Logger LOG = LogManager.getLogger("CITResewn");
     public static CITResewn INSTANCE;
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertiesGroupAdapter.java b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertiesGroupAdapter.java
new file mode 100644
index 0000000..c3d91ec
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertiesGroupAdapter.java
@@ -0,0 +1,103 @@
+package shcm.shsupercm.fabric.citresewn.format;
+
+import net.minecraft.util.Identifier;
+import net.minecraft.util.InvalidIdentifierException;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.util.Properties;
+
+public class PropertiesGroupAdapter extends PropertyGroup {
+    public static final String EXTENSION = ".properties";
+
+    protected PropertiesGroupAdapter(Identifier identifier) {
+        super(identifier);
+    }
+
+    @Override
+    public String getExtension() {
+        return EXTENSION;
+    }
+
+    @Override
+    public PropertyGroup load(InputStream is) throws IOException, InvalidIdentifierException {
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
+            String line;
+            int linePos = 0, multilineSkip = 0;
+            while ((line = reader.readLine()) != null) {
+                linePos++;
+                line = line.stripLeading();
+                if (line.isEmpty() || line.startsWith("#") || line.startsWith("!"))
+                    continue;
+
+                while (line.endsWith("\\")) {
+                    String nextLine = reader.readLine();
+                    linePos++;
+                    multilineSkip++;
+                    if (nextLine == null)
+                        nextLine = "";
+                    nextLine = nextLine.stripLeading();
+
+                    if (nextLine.startsWith("#") || nextLine.startsWith("!"))
+                        continue;
+
+                    line = line.substring(0, line.length() - 1) + "\\n" + nextLine;
+                }
+
+                StringBuilder builder = new StringBuilder();
+
+                String key = null, keyMetadata = null;
+
+                for (int i = 0; i < line.length(); i++) {
+                    char c = line.charAt(i);
+
+                    if (c == '\\') { // escape
+                        c = switch (c = line.charAt(++i)) {
+                            case 'n' -> '\n';
+                            case 'r' -> '\r';
+                            case 'f' -> '\f';
+                            case 't' -> '\t';
+                            case 'u' -> {
+                                if (i + 4 >= line.length())
+                                    yield c;
+
+                                //todo implement manually
+                                java.util.Properties properties = new Properties();
+                                properties.load(new StringReader("k=\\u" + line.charAt(i + 1) + line.charAt(i + 2) + line.charAt(i + 3) + line.charAt(i + 4)));
+                                String k = properties.getProperty("k");
+                                if (k.length() == 1) {
+                                    i += 4;
+                                    yield k.charAt(0);
+                                }
+                                yield c;
+                            }
+
+                            default -> c;
+                        };
+
+                    } else if (key == null && c == '=') {
+                        key = builder.toString().stripTrailing();
+                        int metadataIndex = key.indexOf('.');
+                        if (metadataIndex >= 0) {
+                            keyMetadata = key.substring(metadataIndex + 1);
+                            key = key.substring(0, metadataIndex);
+                        }
+
+                        builder = new StringBuilder();
+                        for (i++; i < line.length() && Character.isWhitespace(line.charAt(i)); i++);
+                        i--;
+                        continue;
+                    }
+
+
+                    builder.append(c);
+                }
+
+                int pos = linePos - multilineSkip;
+                multilineSkip = 0;
+                this.put(pos, key, keyMetadata, "=", builder.toString());
+            }
+        }
+        return this;
+    }
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyGroup.java b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyGroup.java
new file mode 100644
index 0000000..d1894c7
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyGroup.java
@@ -0,0 +1,52 @@
+package shcm.shsupercm.fabric.citresewn.format;
+
+import net.minecraft.util.Identifier;
+import net.minecraft.util.InvalidIdentifierException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.*;
+
+public abstract class PropertyGroup {
+    public final Map<PropertyKey, Set<PropertyValue>> properties = new LinkedHashMap<>();
+    public final Identifier identifier;
+
+    protected PropertyGroup(Identifier identifier) {
+        this.identifier = identifier;
+    }
+
+    public abstract String getExtension();
+
+    public abstract PropertyGroup load(InputStream is) throws IOException, InvalidIdentifierException;
+
+    protected void put(int position, String key, String keyMetadata, String delimiter, String value) throws InvalidIdentifierException {
+        Objects.requireNonNull(key);
+        Objects.requireNonNull(value);
+
+        this.properties.computeIfAbsent(PropertyKey.of(key), id -> new LinkedHashSet<>()).add(new PropertyValue(keyMetadata, value, delimiter, position));
+    }
+
+    public Set<PropertyValue> get(String namespace, String... pathAliases) {
+        Set<PropertyValue> values = new LinkedHashSet<>();
+
+        for (String path : pathAliases) {
+            Set<PropertyValue> possibleValues = this.properties.get(new PropertyKey(namespace, path));
+            if (possibleValues != null)
+                values.addAll(possibleValues);
+        }
+
+        return values;
+    }
+
+    public static PropertyGroup tryParseGroup(Identifier identifier, InputStream is) throws IOException {
+        PropertyGroup group;
+        if (identifier.getPath().endsWith(PropertiesGroupAdapter.EXTENSION))
+            group = new PropertiesGroupAdapter(identifier);
+        else
+            return null;
+
+        group.load(is);
+
+        return group;
+    }
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyKey.java b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyKey.java
new file mode 100644
index 0000000..9adcca2
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyKey.java
@@ -0,0 +1,14 @@
+package shcm.shsupercm.fabric.citresewn.format;
+
+public record PropertyKey(String namespace, String path) {
+    public static PropertyKey of(String key) {
+        String[] split = new String[] {"citresewn", key};
+        int i = key.indexOf(':');
+        if (i >= 0) {
+            split[1] = key.substring(i + 1);
+            if (i >= 1)
+                split[0] = key.substring(0, i);
+        }
+        return new PropertyKey(split[0], split[1]);
+    }
+}
diff --git a/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyValue.java b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyValue.java
new file mode 100644
index 0000000..ee33cc1
--- /dev/null
+++ b/src/main/java/shcm/shsupercm/fabric/citresewn/format/PropertyValue.java
@@ -0,0 +1,17 @@
+package shcm.shsupercm.fabric.citresewn.format;
+
+public class PropertyValue {
+    public final String keyMetadata;
+    public final String stringValue;
+    public final String delimiter;
+    public final int position;
+
+    public Object value = null;
+
+    public PropertyValue(String keyMetadata, String stringValue, String delimiter, int position) {
+        this.keyMetadata = keyMetadata;
+        this.stringValue = stringValue;
+        this.delimiter = delimiter;
+        this.position = position;
+    }
+}