Add SerdCursor to public API

1 files changed, 74 insertions, 0 deletions

diff --git a/src/cursor.c b/src/cursor.c
new file mode 100644
index 00000000..ac9b24a9
--- /dev/null
+++ b/src/cursor.c
@@ -0,0 +1,74 @@
+/*
+  Copyright 2018 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "cursor.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+SerdCursor*
+serd_cursor_new(const SerdNode* name, unsigned line, unsigned col)
+{
+	SerdCursor* cursor = (SerdCursor*)malloc(sizeof(SerdCursor));
+
+	cursor->file = name;
+	cursor->line = line;
+	cursor->col  = col;
+	return cursor;
+}
+
+SerdCursor*
+serd_cursor_copy(const SerdCursor* cursor)
+{
+	if (!cursor) {
+		return NULL;
+	}
+
+	SerdCursor* copy = (SerdCursor*)malloc(sizeof(SerdCursor));
+	memcpy(copy, cursor, sizeof(SerdCursor));
+	return copy;
+}
+
+void
+serd_cursor_free(SerdCursor* cursor)
+{
+	free(cursor);
+}
+
+bool
+serd_cursor_equals(const SerdCursor* l, const SerdCursor* r)
+{
+	return (l == r || (l && r && serd_node_equals(l->file, r->file) &&
+	                   l->line == r->line && l->col == r->col));
+}
+
+const SerdNode*
+serd_cursor_get_name(const SerdCursor* cursor)
+{
+	return cursor->file;
+}
+
+unsigned
+serd_cursor_get_line(const SerdCursor* cursor)
+{
+	return cursor->line;
+}
+
+unsigned
+serd_cursor_get_column(const SerdCursor* cursor)
+{
+	return cursor->col;
+}