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#ifndef WP_CONTROL_CODES_H
#define WP_CONTROL_CODES_H

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

/* Host-safe model of the decompiled byte classifier used by
 * parser_process_token_stream / layout_emit_scratch_pack around 1000:201a.
 * The original branches use four buckets:
 *   >= C0 packet token, 80-BF single-byte format token,
 *   00-1F ASCII/control token, and 20-7F printable text.
 */
typedef enum WpDecompilerTokenClass {
    WP_DECOMP_TOKEN_ASCII_CONTROL = 0,
    WP_DECOMP_TOKEN_TEXT,
    WP_DECOMP_TOKEN_SINGLE_BYTE_FORMAT,
    WP_DECOMP_TOKEN_PACKET
} WpDecompilerTokenClass;

#define WP_CONTROL_EFFECT_TEXT                 0x00000001UL
#define WP_CONTROL_EFFECT_ASCII_CONTROL        0x00000002UL
#define WP_CONTROL_EFFECT_SINGLE_BYTE_FORMAT   0x00000004UL
#define WP_CONTROL_EFFECT_PACKET               0x00000008UL
#define WP_CONTROL_EFFECT_LINE_BREAK           0x00000010UL
#define WP_CONTROL_EFFECT_PAGE_BREAK           0x00000020UL
#define WP_CONTROL_EFFECT_TAB_STOP             0x00000040UL
#define WP_CONTROL_EFFECT_INDENT               0x00000080UL
#define WP_CONTROL_EFFECT_DORMANT              0x00000100UL
#define WP_CONTROL_EFFECT_NORMALIZED_SPACE     0x00000200UL
#define WP_CONTROL_EFFECT_NORMALIZED_HYPHEN    0x00000400UL
#define WP_CONTROL_EFFECT_WHITESPACE_GATE      0x00000800UL
#define WP_CONTROL_EFFECT_RENDER_DIRTY_GATE    0x00001000UL
#define WP_CONTROL_EFFECT_DIRTY_EXEMPT         0x00002000UL
#define WP_CONTROL_EFFECT_DIRTY_NEUTRAL        0x00004000UL
#define WP_CONTROL_EFFECT_EXTENSION_SCAN_STOP  0x00008000UL
#define WP_CONTROL_EFFECT_PRINTABLE_HOST_BYTE  0x00010000UL
#define WP_CONTROL_EFFECT_TSM_HIGHLIGHT        0x00020000UL
#define WP_CONTROL_EFFECT_HYPHENATION_SUPPRESS 0x00040000UL
#define WP_CONTROL_EFFECT_HIDDEN_FUNCTION_GATE 0x00080000UL

typedef struct WpControlInfo {
    uint8_t code;
    WpDecompilerTokenClass token_class;
    unsigned long effects;
    const char *label;
    const char *marker;
    uint8_t display_columns;
    uint8_t tab_columns;
} WpControlInfo;

typedef struct WpControlSummaryStats {
    size_t records_seen;
    size_t bytes_consumed;
    size_t ascii_control_records;
    size_t printable_text_records;
    size_t single_byte_format_records;
    size_t packet_records;
    size_t hard_returns;
    size_t soft_returns;
    size_t hard_pages;
    size_t soft_pages;
    size_t tabs;
    size_t indents;
    size_t dormant_returns;
    size_t dormant_pages;
    size_t normalized_spaces;
    size_t normalized_hyphens;
    size_t whitespace_gate_records;
    size_t render_dirty_gate_records;
    size_t dirty_exempt_records;
    size_t dirty_neutral_records;
    size_t extension_scan_stop_records;
    size_t tsm_highlight_records;
    size_t hyphenation_suppression_records;
    size_t hidden_function_gate_records;
    size_t line_break_records;
    size_t page_break_records;
    size_t unknown_single_byte_records;
    size_t display_columns;
    size_t code_histogram[256];
} WpControlSummaryStats;

WpDecompilerTokenClass wp_control_decompiled_token_class(uint8_t code);
const char *wp_control_decompiled_token_class_name(WpDecompilerTokenClass token_class);
void wp_control_decode_byte(uint8_t code, WpControlInfo *out_info);
const char *wp_control_code_label(uint8_t code);
const char *wp_control_code_marker(uint8_t code);
bool wp_control_has_effect(uint8_t code, unsigned long effect_mask);
uint8_t wp_control_display_columns(uint8_t code);

void wp_control_summary_stats_clear(WpControlSummaryStats *stats);
bool wp_control_summary_add_record(WpControlSummaryStats *stats, const WpRecord *rec);
bool wp_control_summary_run_stream(WpLayoutGlobals *wl, WpControlSummaryStats *stats);
bool wp_control_summary_run_loaded_file(WpLoadedFile *file, WpControlSummaryStats *stats);
bool wp_control_summary_run_file(const char *filename, WpControlSummaryStats *stats);

#endif
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