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#ifndef WP_PARSER_COMMAND_H
#define WP_PARSER_COMMAND_H

#include "wp_file_format.h"
#include "wp_layout_shared.h"
#include "wp_record_parser.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

typedef enum WpParserCommandClass {
    WP_PARSER_COMMAND_TEXT = 0,
    WP_PARSER_COMMAND_SINGLE_CONTROL,
    WP_PARSER_COMMAND_FIXED_PACKET,
    WP_PARSER_COMMAND_VARIABLE_PACKET
} WpParserCommandClass;

typedef enum WpParserCommandExemptReason {
    WP_PARSER_COMMAND_EXEMPT_NONE = 0,
    WP_PARSER_COMMAND_EXEMPT_SOFT_PAGE_83,
    WP_PARSER_COMMAND_EXEMPT_FIXED_C6,
    WP_PARSER_COMMAND_EXEMPT_LAYOUT_D4
} WpParserCommandExemptReason;

typedef struct WpParserCommandPlan {
    uint8_t code;
    uint8_t sub_code;
    WpParserCommandClass command_class;
    WpParserCommandExemptReason exempt_reason;

    bool marks_parser_dirty;
    uint8_t parser_runtime_or;
    uint8_t secondary_stream_or;
    uint8_t layout_runtime_or;

    bool uses_fixed_normalize_path;
    bool uses_variable_skip_path;
    bool refreshes_d4_length_word;
    uint16_t commanded_record_bytes;
    uint16_t bytes_to_skip_after_lead;

    bool scanner_bypass;
    bool has_post_compare_plan;
    bool repeat_dispatch;
    bool extension_scan;
    bool refcount_increment;
    bool refcount_decrement;
    bool has_repeat_count;
    uint16_t repeat_count;
    uint16_t repeat_count_offset;
    bool repeat_count_offset_valid;
} WpParserCommandPlan;

typedef struct WpParserCommandStats {
    size_t records_seen;
    size_t bytes_consumed;
    size_t text_records;
    size_t single_control_records;
    size_t fixed_command_records;
    size_t variable_command_records;
    size_t dirty_mark_records;
    size_t dirty_exempt_records;
    size_t dirty_exempt_soft_page_83;
    size_t dirty_exempt_fixed_c6;
    size_t dirty_exempt_layout_d4;
    size_t fixed_normalize_paths;
    size_t variable_skip_paths;
    size_t d4_length_refreshes;
    size_t command_skip_bytes;
    size_t scanner_bypass_packets;

    size_t post_compare_packets;
    size_t repeat_dispatch_packets;
    size_t repeat_dispatch_iterations;
    size_t repeat_dispatch_main_iterations;
    size_t repeat_dispatch_alt_iterations;
    size_t extension_scan_packets;
    size_t extension_scan_dirty_sets;
    size_t refcount_increment_packets;
    size_t refcount_decrement_packets;
    size_t d5_repeat_packets;
    size_t d6_repeat_packets;
    size_t da_object_dispatch_packets;
    size_t db_refcount_packets;

    size_t incomplete_records;
    size_t mismatched_trailers;

    uint8_t final_parser_runtime_flags;
    uint8_t final_secondary_stream_flags;
    uint8_t final_runtime_flags;
    uint8_t final_parse_dirty_flags;
    int final_layout_refcount;
} WpParserCommandStats;

void wp_parser_command_stats_clear(WpParserCommandStats *stats);
bool wp_parser_command_plan_record(const WpRecord *rec, WpParserCommandPlan *out_plan);
void wp_parser_command_apply_plan(WpLayoutGlobals *runtime,
                                  const WpParserCommandPlan *plan,
                                  WpParserCommandStats *stats);
bool wp_parser_command_apply_record(WpLayoutGlobals *runtime,
                                    const WpRecord *rec,
                                    WpParserCommandStats *stats);

bool wp_parser_command_run_stream(WpLayoutGlobals *wl, WpParserCommandStats *stats);
bool wp_parser_command_run_loaded_file(WpLoadedFile *file, WpParserCommandStats *stats);
bool wp_parser_command_run_file(const char *filename, WpParserCommandStats *stats);

const char *wp_parser_command_class_name(WpParserCommandClass command_class);
const char *wp_parser_command_exempt_reason_name(WpParserCommandExemptReason reason);

#endif
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