filter.h

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/*-------------------------------------------------------------------------
 *
 * filter.h
 *      Common header file for the parser of filter file
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * IDENTIFICATION
 *    src/bin/pg_dump/filter.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef FILTER_H
#define FILTER_H
 
#include "lib/stringinfo.h"
 
/* Function signature for exit_nicely functions */
typedef void (*exit_function) (int status);
 
/*
 * State data for reading filter items from stream
 */
typedef struct
{
    FILE       *fp;
    const char *filename;
    exit_function exit_nicely;
    int         lineno;
    StringInfoData linebuff;
} FilterStateData;
 
/*
 * List of command types that can be specified in filter file
 */
typedef enum
{
    FILTER_COMMAND_TYPE_NONE,
    FILTER_COMMAND_TYPE_INCLUDE,
    FILTER_COMMAND_TYPE_EXCLUDE,
} FilterCommandType;
 
/*
 * List of objects that can be specified in filter file
 */
typedef enum
{
    FILTER_OBJECT_TYPE_NONE,
    FILTER_OBJECT_TYPE_TABLE_DATA,
    FILTER_OBJECT_TYPE_TABLE_DATA_AND_CHILDREN,
    FILTER_OBJECT_TYPE_DATABASE,
    FILTER_OBJECT_TYPE_EXTENSION,
    FILTER_OBJECT_TYPE_FOREIGN_DATA,
    FILTER_OBJECT_TYPE_FUNCTION,
    FILTER_OBJECT_TYPE_INDEX,
    FILTER_OBJECT_TYPE_SCHEMA,
    FILTER_OBJECT_TYPE_TABLE,
    FILTER_OBJECT_TYPE_TABLE_AND_CHILDREN,
    FILTER_OBJECT_TYPE_TRIGGER,
} FilterObjectType;
 
extern const char *filter_object_type_name(FilterObjectType fot);
extern void filter_init(FilterStateData *fstate, const char *filename, exit_function f_exit);
extern void filter_free(FilterStateData *fstate);
extern void pg_log_filter_error(FilterStateData *fstate, const char *fmt,...)
            pg_attribute_printf(2, 3);
extern bool filter_read_item(FilterStateData *fstate, char **objname,
                             FilterCommandType *comtype, FilterObjectType *objtype);
 
#endif                          /* FILTER_H */