1 files changed, 67 insertions, 0 deletions
diff --git a/pigeonhole/src/lib-sieve/tst-not.c b/pigeonhole/src/lib-sieve/tst-not.c
new file mode 100644
index 0000000..9687d49
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/tst-not.c
@@ -0,0 +1,67 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "sieve-common.h"
+#include "sieve-commands.h"
+#include "sieve-validator.h"
+#include "sieve-generator.h"
+
+/*
+ * Not test
+ *
+ * Syntax:
+ *   not <tests: test-list>
+ */
+
+static bool tst_not_generate
+	(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx,
+		struct sieve_jumplist *jumps, bool jump_true);
+static bool tst_not_validate_const
+	(struct sieve_validator *valdtr, struct sieve_command *tst,
+		int *const_current, int const_next);
+
+const struct sieve_command_def tst_not = {
+	.identifier = "not",
+	.type = SCT_TEST,
+	.positional_args = 0,
+	.subtests = 1,
+	.block_allowed = FALSE,
+	.block_required = FALSE,
+	.validate_const = tst_not_validate_const,
+	.control_generate = tst_not_generate
+};
+
+/*
+ * Code validation
+ */
+
+static bool tst_not_validate_const
+(struct sieve_validator *valdtr ATTR_UNUSED,
+	struct sieve_command *tst ATTR_UNUSED, int *const_current, int const_next)
+{
+	if ( const_next < 0 )
+		*const_current = -1;
+	else if ( const_next > 0 )
+		*const_current = 0;
+	else
+		*const_current = 1;
+
+	return TRUE;
+}
+
+/*
+ * Code generation
+ */
+
+static bool tst_not_generate
+(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx,
+	struct sieve_jumplist *jumps, bool jump_true)
+{
+	struct sieve_ast_node *test;
+
+	/* Validator verified the existance of the single test already */
+	test = sieve_ast_test_first(ctx->ast_node);
+
+	return sieve_generate_test(cgenv, test, jumps, !jump_true);
+}
+