1 files changed, 95 insertions, 0 deletions
diff --git a/parser.cpp b/parser.cpp
new file mode 100644
index 0000000..0b218ab
--- /dev/null
+++ b/parser.cpp
@@ -0,0 +1,95 @@
+#include <glib.h>
+#include <glib/gprintf.h>
+
+#include "sciteco.h"
+#include "parser.h"
+
+gint macro_pc = 0;
+
+static struct {
+	StateStart start;
+} states;
+
+static State *current_state = &states.start;
+
+gboolean
+macro_execute(const gchar *macro)
+{
+	while (macro[macro_pc]) {
+		if (!State::input(macro[macro_pc])) {
+			message_display(GTK_MESSAGE_ERROR,
+					"Syntax error \"%c\"",
+					macro[macro_pc]);
+			return FALSE;
+		}
+
+		macro_pc++;
+	}
+
+	return TRUE;
+}
+
+State::State()
+{
+	for (int i = 0; i < MAX_TRANSITIONS; i++)
+		transitions[i] = NULL;
+}
+
+gboolean
+State::input(gchar chr)
+{
+	State *state = current_state;
+
+	for (;;) {
+		State *next = state->get_next_state(chr);
+
+		if (!next)
+			/* Syntax error */
+			return FALSE;
+
+		if (next == state)
+			break;
+
+		state = next;
+		chr = '\0';
+	}
+
+	if (state != current_state) {
+		undo.push_var<State *>(current_state);
+		current_state = state;
+	}
+
+	return TRUE;
+}
+
+StateStart::StateStart() : State()
+{
+	transitions['\0']	= this;
+	transitions[' ']	= this;
+	transitions['\r']	= this;
+	transitions['\n']	= this;
+	transitions['\v']	= this;
+}
+
+State *
+StateStart::custom(gchar chr)
+{
+#if 0
+	if (IS_CTL(chr))
+		return states.ctl.get_next_state(CTL_ECHO(chr));
+#endif
+
+	switch (g_ascii_toupper(chr)) {
+	/*
+	 * commands
+	 */
+ 	case 'C':
+ 		editor_msg(SCI_CHARRIGHT);
+ 		undo.push_msg(SCI_CHARLEFT);
+ 		break;
+ 	default:
+ 		return NULL;
+	}
+
+	return this;
+}