degesch: factor out make_prompt()

1 files changed, 37 insertions, 27 deletions

diff --git a/degesch.c b/degesch.c
index 072ac71..73ce587 100644
--- a/degesch.c
+++ b/degesch.c
@@ -1315,41 +1315,51 @@ get_unseen_prefix (struct app_context *ctx)
 }
 
 static void
-refresh_prompt (struct app_context *ctx)
+make_prompt (struct app_context *ctx, struct str *output)
 {
-	bool have_attributes = !!get_attribute_printer (stdout);
-
-	struct str prompt;
-	str_init (&prompt);
-
 	if (!ctx->irc_ready)
-		str_append (&prompt, "(disconnected)");
-	else if (soft_assert (ctx->current_buffer))
 	{
-		struct buffer *buffer = ctx->current_buffer;
-		str_append_c (&prompt, '[');
+		// XXX: does this make any sense?
+		str_append (output, "(disconnected)");
+		return;
+	}
 
-		char *unseen_prefix = get_unseen_prefix (ctx);
-		if (unseen_prefix)
-			str_append_printf (&prompt, "(%s) ", unseen_prefix);
-		free (unseen_prefix);
+	struct buffer *buffer = ctx->current_buffer;
+	if (!soft_assert (buffer))
+		return;
 
-		str_append_printf (&prompt, "%d:%s",
-			buffer_get_index (ctx, buffer), buffer->name);
-		if (buffer->type == BUFFER_CHANNEL && *buffer->mode)
-			str_append_printf (&prompt, "(%s)", buffer->mode);
+	str_append_c (output, '[');
 
-		if (buffer != ctx->global_buffer)
-		{
-			str_append_c (&prompt, ' ');
-			str_append (&prompt, ctx->irc_nickname);
-			if (*ctx->irc_user_mode)
-				str_append_printf (&prompt, "(%s)", ctx->irc_user_mode);
-		}
+	char *unseen_prefix = get_unseen_prefix (ctx);
+	if (unseen_prefix)
+		str_append_printf (output, "(%s) ", unseen_prefix);
+	free (unseen_prefix);
 
-		str_append_c (&prompt, ']');
+	str_append_printf (output, "%d:%s",
+		buffer_get_index (ctx, buffer), buffer->name);
+	if (buffer->type == BUFFER_CHANNEL && *buffer->mode)
+		str_append_printf (output, "(%s)", buffer->mode);
+
+	if (buffer != ctx->global_buffer)
+	{
+		str_append_c (output, ' ');
+		str_append (output, ctx->irc_nickname);
+		if (*ctx->irc_user_mode)
+			str_append_printf (output, "(%s)", ctx->irc_user_mode);
 	}
-	str_append (&prompt, " ");
+
+	str_append_c (output, ']');
+}
+
+static void
+refresh_prompt (struct app_context *ctx)
+{
+	bool have_attributes = !!get_attribute_printer (stdout);
+
+	struct str prompt;
+	str_init (&prompt);
+	make_prompt (ctx, &prompt);
+	str_append_c (&prompt, ' ');
 
 	// After building the new prompt, replace the old one
 	free (ctx->readline_prompt);