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#ifndef WP_RECORD_PARSER_H
#define WP_RECORD_PARSER_H

#include "wp_layout_shared.h"
#include <stdbool.h>

typedef struct WpDisplayBuffer WpDisplayBuffer;

/* WP 5.1 Code types */
typedef enum {
    WP_CODE_CHAR,           /* Normal ASCII character */
    WP_CODE_SINGLE_BYTE,    /* Single-byte formatting code (0x80-0xBF) */
    WP_CODE_FIXED_LENGTH,   /* Reserved for translated fixed-size code tables */
    WP_CODE_VARIABLE_LENGTH /* Variable-length multi-byte code ([Code]...[Code]) */
} WpCodeType;

typedef struct WpRecord {
    WpCodeType type;
    uint8_t code;
    uint8_t sub_code;       /* Variable-length sub-code, zero otherwise. */
    uint16_t length;        /* Bytes actually consumed from the stream. */
    uint16_t declared_length; /* Payload length declared in the WP record header. */
    uint16_t data_length;   /* Payload bytes copied into data. */
    bool is_complete;       /* False when the input ended inside the record. */
    bool trailer_present;   /* True when a full trailing mirror was available. */
    bool trailer_matches;   /* True when trailing len/sub/code mirrors the header. */
    uint8_t *data;          /* Payload bytes for variable-length records. */
} WpRecord;

/* Function to peek at the next record in the stream */
WpCodeType wp_parser_peek_record_type(WpLayoutGlobals *wl, uint8_t code);

/* Function to parse the next record from the primary buffer */
void wp_parser_consume_record(WpLayoutGlobals *wl, WpRecord *record);

/* Release any heap data attached to a parsed record and reset it. */
void wp_record_free(WpRecord *record);

/* Reveal Codes UI (implementation in wp_display_buffer.c). */
void wp_reveal_codes_sync_view(WpLayoutGlobals *wl, WpDisplayBuffer *db);

#endif

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