Initial commit

engines/mutationofjb/commands/labelcommand.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "mutationofjb/commands/labelcommand.h"
+#include "mutationofjb/commands/gotocommand.h"
+#include "mutationofjb/script.h"
+
+/** @file
+ * <label> ":"
+ *
+ * Creates a label.
+ */
+
+namespace MutationOfJB {
+
+bool LabelCommandParser::parse(const Common::String &line, ScriptParseContext &parseCtx, Command *&command) {
+	if (line.lastChar() != ':') {
+		return false;
+	}
+
+	Common::String label = line;
+	label.deleteLastChar();
+
+	LabelCommand *labelCmd = new LabelCommand(label);
+	if (!parseCtx._labels.contains(label)) {
+		parseCtx._labels[label] = labelCmd;
+	} else {
+		warning("Label '%s' already exists", label.c_str());
+	}
+
+	if (parseCtx._pendingGotos.contains(label)) {
+		GotoCommands &gotos = parseCtx._pendingGotos[label];
+		for (GotoCommands::const_iterator it = gotos.begin(); it != gotos.end(); ++it) {
+			(*it)->setLabelCommand(labelCmd);
+		}
+		gotos.clear();
+	}
+
+	command = labelCmd;
+	return true;
+}
+
+
+const Common::String &LabelCommand::getName() const {
+	return _name;
+}
+
+Command::ExecuteResult LabelCommand::execute(ScriptExecutionContext &) {
+	// Intentionally empty.
+
+	return Finished;
+}
+
+Common::String LabelCommand::debugString() const {
+	return Common::String::format("LABEL %s", _name.c_str());
+}
+
+}