From 918a8ee7f3ac939a90e37d4330e1dfc0adaf6cf9 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denis.kenzior@intel.com>
Date: Fri, 4 Sep 2009 13:27:37 -0500
Subject: [PATCH] Make calypso plugin use the permissive parser

---
 plugins/calypso.c | 158 +-----------------------------------------------------
 1 file changed, 1 insertion(+), 157 deletions(-)

diff --git a/plugins/calypso.c b/plugins/calypso.c
index c6ebec3..bc32258 100644
--- a/plugins/calypso.c
+++ b/plugins/calypso.c
@@ -65,161 +65,6 @@ enum powercycle_state {
 	POWERCYCLE_STATE_FINISHED,
 };
 
-enum calypso_state {
-	CALYPSO_STATE_IDLE = 0,
-	CALYPSO_STATE_INITIAL_CR,
-	CALYPSO_STATE_INITIAL_LF,
-	CALYPSO_STATE_RESPONSE,
-	CALYPSO_STATE_TERMINATOR_CR,
-	CALYPSO_STATE_GUESS_MULTILINE_RESPONSE,
-	CALYPSO_STATE_MULTILINE_RESPONSE,
-	CALYPSO_STATE_MULTILINE_TERMINATOR_CR,
-	CALYPSO_STATE_PDU_CHECK_EXTRA_CR,
-	CALYPSO_STATE_PDU_CHECK_EXTRA_LF,
-	CALYPSO_STATE_PDU,
-	CALYPSO_STATE_PDU_CR,
-	CALYPSO_STATE_PROMPT,
-};
-
-static void calypso_hint(GAtSyntax *syntax, GAtSyntaxExpectHint hint)
-{
-	switch (hint) {
-	case G_AT_SYNTAX_EXPECT_PDU:
-		syntax->state = CALYPSO_STATE_PDU_CHECK_EXTRA_CR;
-		break;
-	case G_AT_SYNTAX_EXPECT_MULTILINE:
-		syntax->state = CALYPSO_STATE_GUESS_MULTILINE_RESPONSE;
-		break;
-	default:
-		break;
-	};
-}
-
-static GAtSyntaxResult calypso_feed(GAtSyntax *syntax,
-					const char *bytes, gsize *len)
-{
-	gsize i = 0;
-	GAtSyntaxResult res = G_AT_SYNTAX_RESULT_UNSURE;
-
-	while (i < *len) {
-		char byte = bytes[i];
-
-		switch (syntax->state) {
-		case CALYPSO_STATE_IDLE:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_INITIAL_CR;
-			else
-				syntax->state = CALYPSO_STATE_RESPONSE;
-			break;
-
-		case CALYPSO_STATE_INITIAL_CR:
-			if (byte == '\n')
-				syntax->state = CALYPSO_STATE_INITIAL_LF;
-			break;
-
-		case CALYPSO_STATE_INITIAL_LF:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_TERMINATOR_CR;
-			else if (byte == '>')
-				syntax->state = CALYPSO_STATE_PROMPT;
-			else
-				syntax->state = CALYPSO_STATE_RESPONSE;
-			break;
-
-		case CALYPSO_STATE_RESPONSE:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_TERMINATOR_CR;
-			break;
-
-		case CALYPSO_STATE_TERMINATOR_CR:
-			syntax->state = CALYPSO_STATE_IDLE;
-
-			if (byte == '\n') {
-				i += 1;
-				res = G_AT_SYNTAX_RESULT_LINE;
-			} else
-				res = G_AT_SYNTAX_RESULT_UNRECOGNIZED;
-
-			goto out;
-
-		case CALYPSO_STATE_GUESS_MULTILINE_RESPONSE:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_INITIAL_CR;
-			else
-				syntax->state = CALYPSO_STATE_MULTILINE_RESPONSE;
-			break;
-
-		case CALYPSO_STATE_MULTILINE_RESPONSE:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_MULTILINE_TERMINATOR_CR;
-			break;
-
-		case CALYPSO_STATE_MULTILINE_TERMINATOR_CR:
-			syntax->state = CALYPSO_STATE_IDLE;
-
-			if (byte == '\n') {
-				i += 1;
-				res = G_AT_SYNTAX_RESULT_MULTILINE;
-			} else
-				res = G_AT_SYNTAX_RESULT_UNRECOGNIZED;
-
-			goto out;
-
-		case CALYPSO_STATE_PDU_CHECK_EXTRA_CR:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_PDU_CHECK_EXTRA_LF;
-			else
-				syntax->state = CALYPSO_STATE_PDU;
-			break;
-
-		case CALYPSO_STATE_PDU_CHECK_EXTRA_LF:
-			res = G_AT_SYNTAX_RESULT_UNRECOGNIZED;
-			syntax->state = CALYPSO_STATE_PDU;
-
-			if (byte == '\n')
-				i += 1;
-
-			goto out;
-
-		case CALYPSO_STATE_PDU:
-			if (byte == '\r')
-				syntax->state = CALYPSO_STATE_PDU_CR;
-			break;
-
-		case CALYPSO_STATE_PDU_CR:
-			syntax->state = CALYPSO_STATE_IDLE;
-
-			if (byte == '\n') {
-				i += 1;
-				res = G_AT_SYNTAX_RESULT_PDU;
-			} else
-				res = G_AT_SYNTAX_RESULT_UNRECOGNIZED;
-
-			goto out;
-
-		case CALYPSO_STATE_PROMPT:
-			if (byte == ' ') {
-				syntax->state = CALYPSO_STATE_IDLE;
-				i += 1;
-				res = G_AT_SYNTAX_RESULT_PROMPT;
-				goto out;
-			}
-
-			syntax->state = CALYPSO_STATE_RESPONSE;
-			return G_AT_SYNTAX_RESULT_UNSURE;
-
-		default:
-			break;
-		};
-
-		i += 1;
-	}
-
-out:
-	*len = i;
-	return res;
-}
-
 struct calypso_data {
 	GAtChat *chat;
 	enum powercycle_state state;
@@ -365,8 +210,7 @@ static void modem_initialize(struct ofono_modem *modem)
 	/* Calypso is normally compliant to 27.007, except the vendor-specific
 	 * notifications (like %CSTAT) are not prefixed by \r\n
 	 */
-	syntax = g_at_syntax_new_full(calypso_feed, calypso_hint,
-					CALYPSO_STATE_IDLE);
+	syntax = g_at_syntax_new_gsm_permissive();
 	chat = g_at_chat_new(io, syntax);
 	g_at_syntax_unref(syntax);
 	g_io_channel_unref(io);
-- 
2.7.4