1 files changed, 124 insertions, 0 deletions
diff --git a/src/command.c b/src/command.c
new file mode 100644
index 0000000..b82498d
--- /dev/null
+++ b/src/command.c
@@ -0,0 +1,124 @@
+/**
+ * @file command.c
+ * @author Joe Wingbermuehle
+ * @date 2004-2006
+ *
+ * @brief Handle running startup, shutdown, and restart commands.
+ *
+ */
+
+#include "jwm.h"
+#include "command.h"
+#include "root.h"
+#include "misc.h"
+#include "main.h"
+
+/** Structure to represent a list of commands. */
+typedef struct CommandNode {
+	char *command;             /**< The command. */
+	struct CommandNode *next;  /**< The next command in the list. */
+} CommandNode;
+
+static CommandNode *startupCommands;
+static CommandNode *shutdownCommands;
+static CommandNode *restartCommands;
+
+static void RunCommands(CommandNode *commands);
+static void ReleaseCommands(CommandNode **commands);
+static void AddCommand(CommandNode **commands, const char *command);
+
+/** Initialize the command lists. */
+void InitializeCommands() {
+	startupCommands = NULL;
+	shutdownCommands = NULL;
+	restartCommands = NULL;
+}
+
+/** Process startup/restart commands. */
+void StartupCommands() {
+
+	if(isRestarting) {
+		RunCommands(restartCommands);
+	} else {
+		RunCommands(startupCommands);
+	}
+
+}
+
+/** Process shutdown commands. */
+void ShutdownCommands() {
+
+	if(!shouldRestart) {
+		RunCommands(shutdownCommands);
+	}
+
+}
+
+/** Destroy the command lists. */
+void DestroyCommands() {
+	ReleaseCommands(&startupCommands);
+	ReleaseCommands(&shutdownCommands);
+	ReleaseCommands(&restartCommands);
+}
+
+/** Run the commands in a command list. */
+void RunCommands(CommandNode *commands) {
+
+	CommandNode *cp;
+
+	for(cp = commands; cp; cp = cp->next) {
+		RunCommand(cp->command);
+	}
+
+}
+
+/** Release a command list. */
+void ReleaseCommands(CommandNode **commands) {
+
+	CommandNode *cp;
+
+	Assert(commands);
+
+	while(*commands) {
+		cp = (*commands)->next;
+		Release((*commands)->command);
+		Release(*commands);
+		*commands = cp;
+	}
+
+}
+
+/** Add a command to a command list. */
+void AddCommand(CommandNode **commands, const char *command) {
+
+	CommandNode *cp;
+
+	Assert(commands);
+
+	if(!command) {
+		return;
+	}
+
+	cp = Allocate(sizeof(CommandNode));
+	cp->next = *commands;
+	*commands = cp;
+
+	cp->command = CopyString(command);
+
+}
+
+/** Add a startup command. */
+void AddStartupCommand(const char *command) {
+	AddCommand(&startupCommands, command);
+}
+
+/** Add a shutdown command. */
+void AddShutdownCommand(const char *command) {
+	AddCommand(&shutdownCommands, command);
+}
+
+/** Add a restart command. */
+void AddRestartCommand(const char *command) {
+	AddCommand(&restartCommands, command);
+}
+