1 files changed, 170 insertions, 0 deletions
diff --git a/pigeonhole/src/lib-sieve/plugins/include/ext-include-common.h b/pigeonhole/src/lib-sieve/plugins/include/ext-include-common.h
new file mode 100644
index 0000000..44bfe9a
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/include/ext-include-common.h
@@ -0,0 +1,170 @@
+#ifndef EXT_INCLUDE_COMMON_H
+#define EXT_INCLUDE_COMMON_H
+
+#include "lib.h"
+#include "hash.h"
+
+#include "sieve-common.h"
+#include "sieve-extensions.h"
+
+/*
+ * Forward declarations
+ */
+
+struct ext_include_script_info;
+struct ext_include_binary_context;
+
+/*
+ * Types
+ */
+
+enum ext_include_flags { // stored in one byte
+	EXT_INCLUDE_FLAG_ONCE = 0x01,
+	EXT_INCLUDE_FLAG_OPTIONAL = 0x02,
+	EXT_INCLUDE_FLAG_MISSING_AT_UPLOAD = 0x04
+};
+
+enum ext_include_script_location {
+	EXT_INCLUDE_LOCATION_PERSONAL,
+	EXT_INCLUDE_LOCATION_GLOBAL,
+	EXT_INCLUDE_LOCATION_INVALID
+};
+
+static inline const char *
+ext_include_script_location_name(enum ext_include_script_location location)
+{
+	switch (location) {
+	case EXT_INCLUDE_LOCATION_PERSONAL:
+		return "personal";
+	case EXT_INCLUDE_LOCATION_GLOBAL:
+		return "global";
+	default:
+		break;
+	}
+
+	return "[INVALID LOCATION]";
+}
+
+
+/*
+ * Extension
+ */
+
+extern const struct sieve_extension_def include_extension;
+extern const struct sieve_binary_extension include_binary_ext;
+
+bool ext_include_load(const struct sieve_extension *ext, void **context);
+void ext_include_unload(const struct sieve_extension *ext);
+
+/*
+ * Commands
+ */
+
+extern const struct sieve_command_def cmd_include;
+extern const struct sieve_command_def cmd_return;
+extern const struct sieve_command_def cmd_global;
+
+/* DEPRICATED */
+extern const struct sieve_command_def cmd_import;
+extern const struct sieve_command_def cmd_export;
+
+/*
+ * Operations
+ */
+
+enum ext_include_opcode {
+	EXT_INCLUDE_OPERATION_INCLUDE,
+	EXT_INCLUDE_OPERATION_RETURN,
+	EXT_INCLUDE_OPERATION_GLOBAL
+};
+
+extern const struct sieve_operation_def include_operation;
+extern const struct sieve_operation_def return_operation;
+extern const struct sieve_operation_def global_operation;
+
+/*
+ * Script access
+ */
+
+struct sieve_storage *
+ext_include_get_script_storage(const struct sieve_extension *ext,
+			       enum ext_include_script_location location,
+			       const char *script_name,
+			       enum sieve_error *error_r);
+/*
+ * Context
+ */
+
+/* Extension context */
+
+struct ext_include_context {
+	/* Extension dependencies */
+	const struct sieve_extension *var_ext;
+
+	/* Configuration */
+ 	char *global_location;
+
+	struct sieve_storage *global_storage;
+	struct sieve_storage *personal_storage;
+
+	unsigned int max_nesting_depth;
+	unsigned int max_includes;
+};
+
+static inline struct ext_include_context *
+ext_include_get_context(const struct sieve_extension *ext)
+{
+	return (struct ext_include_context *) ext->context;
+}
+
+/* AST Context */
+
+struct ext_include_ast_context {
+	struct sieve_variable_scope *global_vars;
+
+	ARRAY(struct sieve_script *) included_scripts;
+};
+
+struct ext_include_ast_context *
+ext_include_create_ast_context(const struct sieve_extension *this_ext,
+			       struct sieve_ast *ast, struct sieve_ast *parent);
+struct ext_include_ast_context *
+ext_include_get_ast_context(const struct sieve_extension *this_ext,
+			    struct sieve_ast *ast);
+
+void ext_include_ast_link_included_script(
+	const struct sieve_extension *this_ext, struct sieve_ast *ast,
+	struct sieve_script *script);
+
+bool ext_include_validator_have_variables(
+	const struct sieve_extension *this_ext, struct sieve_validator *valdtr);
+
+/* Generator context */
+
+void ext_include_register_generator_context(
+	const struct sieve_extension *this_ext,
+	const struct sieve_codegen_env *cgenv);
+
+int ext_include_generate_include(
+	const struct sieve_codegen_env *cgenv, struct sieve_command *cmd,
+	enum ext_include_script_location location, enum ext_include_flags flags,
+	struct sieve_script *script,
+	const struct ext_include_script_info **included_r);
+
+/* Interpreter context */
+
+void ext_include_interpreter_context_init(
+	const struct sieve_extension *this_ext,
+	struct sieve_interpreter *interp);
+
+int ext_include_execute_include(const struct sieve_runtime_env *renv,
+				unsigned int block_id,
+				enum ext_include_flags flags);
+void ext_include_execute_return(const struct sieve_runtime_env *renv);
+
+struct sieve_variable_storage *
+ext_include_interpreter_get_global_variables(
+	const struct sieve_extension *this_ext,
+	struct sieve_interpreter *interp);
+
+#endif