Introduce CommandUtils for dicttoolkit

Bug: 10059681
Change-Id: Ic6947e76d77dc87bf88dc3a2b749e41fae7553b7

3 files changed, 105 insertions, 0 deletions

diff --git a/native/dicttoolkit/src/dict_toolkit_defines.h b/native/dicttoolkit/src/dict_toolkit_defines.h
index 2a2104e26..dbaae0ca0 100644
--- a/native/dicttoolkit/src/dict_toolkit_defines.h
+++ b/native/dicttoolkit/src/dict_toolkit_defines.h
@@ -19,4 +19,6 @@
 
 #include "defines.h"
 
+#define MIN_ARG_COUNT 2
+
 #endif // LATINIME_DICT_TOOLKIT_DEFINES_H
diff --git a/native/dicttoolkit/src/utils/command_utils.cpp b/native/dicttoolkit/src/utils/command_utils.cpp
new file mode 100644
index 000000000..14fd47781
--- /dev/null
+++ b/native/dicttoolkit/src/utils/command_utils.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "utils/command_utils.h"
+
+namespace latinime {
+namespace dicttoolkit {
+
+const char *const CommandUtils::COMMAND_NAME_INFO = "info";
+const char *const CommandUtils::COMMAND_NAME_DIFF = "diff";
+const char *const CommandUtils::COMMAND_NAME_MAKEDICT = "makedict";
+const char *const CommandUtils::COMMAND_NAME_HEADER = "header";
+const char *const CommandUtils::COMMAND_NAME_HELP = "help";
+
+/* static */ CommandType CommandUtils::getCommandType(const std::string &commandName) {
+    if (commandName == COMMAND_NAME_INFO) {
+        return CommandType::Info;
+    } else if (commandName == COMMAND_NAME_DIFF) {
+        return CommandType::Diff;
+    } else if (commandName == COMMAND_NAME_MAKEDICT) {
+        return CommandType::Makedict;
+    } else if (commandName == COMMAND_NAME_HEADER) {
+        return CommandType::Header;
+    } else if (commandName == COMMAND_NAME_HELP) {
+        return CommandType::Help;
+    } else {
+        return CommandType::Unknown;
+    }
+}
+
+} // namespace dicttoolkit
+} // namespace latinime
diff --git a/native/dicttoolkit/src/utils/command_utils.h b/native/dicttoolkit/src/utils/command_utils.h
new file mode 100644
index 000000000..7df0dd970
--- /dev/null
+++ b/native/dicttoolkit/src/utils/command_utils.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_DICT_TOOLKIT_COMMAND_UTILS_H
+#define LATINIME_DICT_TOOLKIT_COMMAND_UTILS_H
+
+#include <cstdio>
+#include <string>
+
+#include "dict_toolkit_defines.h"
+
+namespace latinime {
+namespace dicttoolkit {
+
+enum class CommandType : int {
+    Info,
+    Diff,
+    Makedict,
+    Header,
+    Help,
+    Unknown
+};
+
+class CommandUtils {
+public:
+    static CommandType getCommandType(const std::string &commandName);
+
+    static void printCommandUnknownMessage(const std::string &programName,
+            const std::string &commandName) {
+        fprintf(stderr, "Command '%s' is unknown. Try '%s %s' for more information.\n",
+                commandName.c_str(), programName.c_str(), COMMAND_NAME_HELP);
+    }
+
+private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(CommandUtils);
+
+    static const char *const COMMAND_NAME_INFO;
+    static const char *const COMMAND_NAME_DIFF;
+    static const char *const COMMAND_NAME_MAKEDICT;
+    static const char *const COMMAND_NAME_HEADER;
+    static const char *const COMMAND_NAME_HELP;
+};
+} // namespace dicttoolkit
+} // namespace latinime
+#endif // LATINIME_DICT_TOOLKIT_COMMAND_UTILS_H