Revert to old run config template code. (#1327)

Author: modmuss50

src/main/java/net/fabricmc/loom/configuration/ide/RunConfig.java

@@ -38,7 +38,6 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
-import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import com.google.gson.JsonElement;
@@ -62,8 +61,6 @@
 import net.fabricmc.loom.util.gradle.SourceSetReference;
 
 public class RunConfig {
-	private static final Pattern VARIABLE = Pattern.compile("%[A-Z_]+%");
-
 	public String configName;
 	public String eclipseProjectName;
 	public String ideaModuleName;
@@ -178,20 +175,18 @@ public String fromDummy(String dummy, boolean relativeDir, Project project) thro
 			runDir = relativePath + "/" + runDir;
 		}
 
-		var replacements = Map.of(
-				"%NAME%", configName,
-				"%MAIN_CLASS%", mainClass,
-				"%ECLIPSE_PROJECT%", eclipseProjectName,
-				"%IDEA_MODULE%", ideaModuleName,
-				"%RUN_DIRECTORY%", runDir,
-				"%PROGRAM_ARGS%", joinArguments(programArgs).replaceAll("\"", """),
-				"%VM_ARGS%", joinArguments(vmArgs).replaceAll("\"", """),
-				"%IDEA_ENV_VARS%", getEnvVars("<env name=\"%s\" value=\"%s\"/>"),
-				"%ECLIPSE_ENV_VARS%", getEnvVars("<mapEntry key=\"%s\" value=\"%s\"/>"),
-				"%IDEA_FOLDER_NAME%", folderName == null ? "" : "folderName=\"" + XmlUtil.escapeXml(folderName) + "\""
-		);
-
-		return VARIABLE.matcher(dummyConfig).replaceAll(x -> replacements.getOrDefault(x.group(), ""));
+		dummyConfig = dummyConfig.replace("%NAME%", configName);
+		dummyConfig = dummyConfig.replace("%MAIN_CLASS%", mainClass);
+		dummyConfig = dummyConfig.replace("%ECLIPSE_PROJECT%", eclipseProjectName);
+		dummyConfig = dummyConfig.replace("%IDEA_MODULE%", ideaModuleName);
+		dummyConfig = dummyConfig.replace("%RUN_DIRECTORY%", runDir);
+		dummyConfig = dummyConfig.replace("%PROGRAM_ARGS%", joinArguments(programArgs).replaceAll("\"", "&quot;"));
+		dummyConfig = dummyConfig.replace("%VM_ARGS%", joinArguments(vmArgs).replaceAll("\"", "&quot;"));
+		dummyConfig = dummyConfig.replace("%IDEA_ENV_VARS%", getEnvVars("<env name=\"%s\" value=\"%s\"/>"));
+		dummyConfig = dummyConfig.replace("%ECLIPSE_ENV_VARS%", getEnvVars("<mapEntry key=\"%s\" value=\"%s\"/>"));
+		dummyConfig = dummyConfig.replace("%IDEA_FOLDER_NAME%", folderName == null ? "" : "folderName=\"" + XmlUtil.escapeXml(folderName) + "\"");
+
+		return dummyConfig;
 	}
 
 	private String getEnvVars(String pattern) {