android-console: Add event codes command

Add the Android emulator console "event codes" command and associated help
messages.  The "codes" command is used to display a list of available
event codes for a specified type.

Signed-off-by: Greg Bellows <greg.bellows@linaro.org>

3 files changed, 49 insertions, 0 deletions

diff --git a/android-commands.h b/android-commands.h
index b1bebedf8..25a9a3a01 100644
--- a/android-commands.h
+++ b/android-commands.h
@@ -79,6 +79,13 @@ static mon_cmd_t android_event_cmds[] = {
         .help = "list all <type> aliases",
         .mhandler.cmd = android_console_event_types,
     },
+    {
+        .name = "codes",
+        .args_type = "arg:s?",
+        .params = "",
+        .help = "list all <code> aliases for a given <type>",
+        .mhandler.cmd = android_console_event_codes,
+    },
     { NULL, NULL, },
 };
 
diff --git a/android-console.c b/android-console.c
index 2c55714fb..9562e7557 100644
--- a/android-console.c
+++ b/android-console.c
@@ -516,6 +516,7 @@ void android_console_power(Monitor *mon, const QDict *qdict)
 enum {
     CMD_EVENT,
     CMD_EVENT_TYPES,
+    CMD_EVENT_CODES,
 };
 
 static const char *event_help[] = {
@@ -530,6 +531,9 @@ static const char *event_help[] = {
         /* CMD_EVENT_TYPES */
         "'event types' list all <type> string aliases supported by the "
         "'event' subcommands",
+        /* CMD_EVENT_CODES */
+        "'event codes <type>' lists all <code> string aliases for a given "
+        "event <type>",
 };
 
 void android_console_event_types(Monitor *mon, const QDict *qdict)
@@ -563,6 +567,41 @@ void android_console_event_types(Monitor *mon, const QDict *qdict)
     monitor_printf(mon, "OK\n");
 }
 
+void android_console_event_codes(Monitor *mon, const QDict *qdict)
+{
+    const char *arg = qdict_get_try_str(qdict, "arg");
+
+    int  count, nn;
+
+    if (!arg) {
+        monitor_printf(mon, "KO: argument missing, try 'event codes <type>'\n");
+        return;
+    }
+
+    count = gf_get_event_code_count(arg);
+
+    /* If the type is invalid then bail */
+    if (count < 0) {
+        monitor_printf(mon,
+                       "KO: bad argument, see 'event types' for valid values\n");
+        return;
+    }
+
+    if (count == 0) {
+        monitor_printf(mon, "no code aliases defined for this type\n");
+    } else {
+        monitor_printf(mon, "type '%s' accepts the following <code> aliases:\n",
+                       arg);
+        for (nn = 0; nn < count; nn++) {
+            char  temp[20], *p = temp;
+            gf_get_event_code_name(arg, nn, p);
+            monitor_printf(mon, "    %-12s\r\n", p);
+        }
+    }
+
+    monitor_printf(mon, "OK\n");
+}
+
 void android_console_event(Monitor *mon, const QDict *qdict)
 {
     /* This only gets called for bad subcommands and help requests */
@@ -574,6 +613,8 @@ void android_console_event(Monitor *mon, const QDict *qdict)
     if (helptext) {
         if (strstr(helptext, "types")) {
             cmd = CMD_EVENT_TYPES;
+        } else if (strstr(helptext, "codes")) {
+            cmd = CMD_EVENT_CODES;
         }
     }
 
diff --git a/android-console.h b/android-console.h
index 3f97beb4c..270f08757 100644
--- a/android-console.h
+++ b/android-console.h
@@ -37,6 +37,7 @@ void android_console_power_capacity(Monitor *mon, const QDict *qdict);
 void android_console_power(Monitor *mon, const QDict *qdict);
 
 void android_console_event_types(Monitor *mon, const QDict *qdict);
+void android_console_event_codes(Monitor *mon, const QDict *qdict);
 void android_console_event(Monitor *mon, const QDict *qdict);
 
 void android_monitor_print_error(Monitor *mon, const char *fmt, ...);