Refactor GAtChat to accept user-provided parsers

Intended for really broken modems.  A default 27.007 compliant
parser is provided.

1 files changed, 75 insertions, 0 deletions

diff --git a/gatchat/gatsyntax.h b/gatchat/gatsyntax.h
new file mode 100644
index 00000000..57edeade
--- /dev/null
+++ b/gatchat/gatsyntax.h
@@ -0,0 +1,75 @@
+/*
+ *
+ *  AT chat library with GLib integration
+ *
+ *  Copyright (C) 2008-2009  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef __GATSYNTAX_H
+#define __GATSYNTAX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum _GAtSyntaxExpectHint {
+	G_AT_SYNTAX_EXPECT_PDU,
+	G_AT_SYNTAX_EXPECT_MULTILINE,
+	G_AT_SYNTAX_EXPECT_PROMPT
+};
+
+typedef enum _GAtSyntaxExpectHint GAtSyntaxExpectHint;
+
+enum _GAtSyntaxResult {
+	G_AT_SYNTAX_RESULT_UNRECOGNIZED,
+	G_AT_SYNTAX_RESULT_UNSURE,
+	G_AT_SYNTAX_RESULT_LINE,
+	G_AT_SYNTAX_RESULT_MULTILINE,
+	G_AT_SYNTAX_RESULT_PDU,
+	G_AT_SYNTAX_RESULT_PROMPT,
+};
+
+typedef enum _GAtSyntaxResult GAtSyntaxResult;
+
+typedef struct _GAtSyntax GAtSyntax;
+
+typedef void (*GAtSyntaxSetHintFunc)(GAtSyntax *syntax,
+					GAtSyntaxExpectHint hint);
+typedef GAtSyntaxResult (*GAtSyntaxFeedFunc)(GAtSyntax *syntax,
+						const char *bytes, gsize *len);
+
+struct _GAtSyntax {
+	gint ref_count;
+	int state;
+	GAtSyntaxSetHintFunc set_hint;
+	GAtSyntaxFeedFunc feed;
+};
+
+
+GAtSyntax *g_at_syntax_new_full(GAtSyntaxFeedFunc feed,
+					GAtSyntaxSetHintFunc hint,
+					int initial_state);
+GAtSyntax *g_at_syntax_new_gsmv1();
+
+GAtSyntax *g_at_syntax_ref(GAtSyntax *syntax);
+void g_at_syntax_unref(GAtSyntax *syntax);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __GATSYNTAX_H */