src/config/config-request.h

#ifndef CONFIG_REQUEST_H
#define CONFIG_REQUEST_H

#include "settings-parser.h"
#include "config-filter.h"

struct master_service_settings_output;

enum config_dump_scope {
    /* Dump all settings */
    CONFIG_DUMP_SCOPE_ALL,
    /* Dump all that have explicitly been set */
    CONFIG_DUMP_SCOPE_SET,
    /* Dump only settings that differ from defaults */
    CONFIG_DUMP_SCOPE_CHANGED
};

enum config_dump_flags {
    CONFIG_DUMP_FLAG_CHECK_SETTINGS     = 0x01,
    CONFIG_DUMP_FLAG_HIDE_LIST_DEFAULTS = 0x02,
    /* Errors are reported using callback and they don't stop handling */
    CONFIG_DUMP_FLAG_CALLBACK_ERRORS    = 0x04,
    /* Set if dumping a section and not top level config */
    CONFIG_DUMP_FLAG_IN_SECTION     = 0x08,
};

enum config_key_type {
    CONFIG_KEY_NORMAL,
    CONFIG_KEY_LIST,
    CONFIG_KEY_UNIQUE_KEY,
    /* error message is in value */
    CONFIG_KEY_ERROR
};

typedef void config_request_callback_t(const char *key, const char *value,
                       enum config_key_type type, void *context);

bool config_export_type(string_t *str, const void *value,
            const void *default_value,
            enum setting_type type, bool dump_default,
            bool *dump_r) ATTR_NULL(3);
struct config_export_context *
config_export_init(const char *const *modules, enum config_dump_scope scope,
           enum config_dump_flags flags,
           config_request_callback_t *callback, void *context)
    ATTR_NULL(1, 5);
void config_export_by_filter(struct config_export_context *ctx,
                 const struct config_filter *filter);
void config_export_parsers(struct config_export_context *ctx,
               const struct config_module_parser *parsers);
void config_export_get_output(struct config_export_context *ctx,
                  struct master_service_settings_output *output_r);
const char *
config_export_get_import_environment(struct config_export_context *ctx);
int config_export_finish(struct config_export_context **ctx);

#endif