sgr.h

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#ifndef GHOSTTY_VT_SGR_H
#define GHOSTTY_VT_SGR_H

 
#include <ghostty/vt/allocator.h>
#include <ghostty/vt/color.h>
#include <ghostty/vt/result.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct GhosttySgrParser* GhosttySgrParser;

typedef enum {
  GHOSTTY_SGR_ATTR_UNSET = 0,
  GHOSTTY_SGR_ATTR_UNKNOWN = 1,
  GHOSTTY_SGR_ATTR_BOLD = 2,
  GHOSTTY_SGR_ATTR_RESET_BOLD = 3,
  GHOSTTY_SGR_ATTR_ITALIC = 4,
  GHOSTTY_SGR_ATTR_RESET_ITALIC = 5,
  GHOSTTY_SGR_ATTR_FAINT = 6,
  GHOSTTY_SGR_ATTR_UNDERLINE = 7,
  GHOSTTY_SGR_ATTR_RESET_UNDERLINE = 8,
  GHOSTTY_SGR_ATTR_UNDERLINE_COLOR = 9,
  GHOSTTY_SGR_ATTR_UNDERLINE_COLOR_256 = 10,
  GHOSTTY_SGR_ATTR_RESET_UNDERLINE_COLOR = 11,
  GHOSTTY_SGR_ATTR_OVERLINE = 12,
  GHOSTTY_SGR_ATTR_RESET_OVERLINE = 13,
  GHOSTTY_SGR_ATTR_BLINK = 14,
  GHOSTTY_SGR_ATTR_RESET_BLINK = 15,
  GHOSTTY_SGR_ATTR_INVERSE = 16,
  GHOSTTY_SGR_ATTR_RESET_INVERSE = 17,
  GHOSTTY_SGR_ATTR_INVISIBLE = 18,
  GHOSTTY_SGR_ATTR_RESET_INVISIBLE = 19,
  GHOSTTY_SGR_ATTR_STRIKETHROUGH = 20,
  GHOSTTY_SGR_ATTR_RESET_STRIKETHROUGH = 21,
  GHOSTTY_SGR_ATTR_DIRECT_COLOR_FG = 22,
  GHOSTTY_SGR_ATTR_DIRECT_COLOR_BG = 23,
  GHOSTTY_SGR_ATTR_BG_8 = 24,
  GHOSTTY_SGR_ATTR_FG_8 = 25,
  GHOSTTY_SGR_ATTR_RESET_FG = 26,
  GHOSTTY_SGR_ATTR_RESET_BG = 27,
  GHOSTTY_SGR_ATTR_BRIGHT_BG_8 = 28,
  GHOSTTY_SGR_ATTR_BRIGHT_FG_8 = 29,
  GHOSTTY_SGR_ATTR_BG_256 = 30,
  GHOSTTY_SGR_ATTR_FG_256 = 31,
} GhosttySgrAttributeTag;

typedef enum {
  GHOSTTY_SGR_UNDERLINE_NONE = 0,
  GHOSTTY_SGR_UNDERLINE_SINGLE = 1,
  GHOSTTY_SGR_UNDERLINE_DOUBLE = 2,
  GHOSTTY_SGR_UNDERLINE_CURLY = 3,
  GHOSTTY_SGR_UNDERLINE_DOTTED = 4,
  GHOSTTY_SGR_UNDERLINE_DASHED = 5,
} GhosttySgrUnderline;

typedef struct {
  const uint16_t* full_ptr;
  size_t full_len;
  const uint16_t* partial_ptr;
  size_t partial_len;
} GhosttySgrUnknown;

typedef union {
  GhosttySgrUnknown unknown;
  GhosttySgrUnderline underline;
  GhosttyColorRgb underline_color;
  GhosttyColorPaletteIndex underline_color_256;
  GhosttyColorRgb direct_color_fg;
  GhosttyColorRgb direct_color_bg;
  GhosttyColorPaletteIndex bg_8;
  GhosttyColorPaletteIndex fg_8;
  GhosttyColorPaletteIndex bright_bg_8;
  GhosttyColorPaletteIndex bright_fg_8;
  GhosttyColorPaletteIndex bg_256;
  GhosttyColorPaletteIndex fg_256;
  uint64_t _padding[8];
} GhosttySgrAttributeValue;

typedef struct {
  GhosttySgrAttributeTag tag;
  GhosttySgrAttributeValue value;
} GhosttySgrAttribute;

GhosttyResult ghostty_sgr_new(const GhosttyAllocator* allocator,
                              GhosttySgrParser* parser);

void ghostty_sgr_free(GhosttySgrParser parser);

void ghostty_sgr_reset(GhosttySgrParser parser);

GhosttyResult ghostty_sgr_set_params(GhosttySgrParser parser,
                                     const uint16_t* params,
                                     const char* separators,
                                     size_t len);

bool ghostty_sgr_next(GhosttySgrParser parser, GhosttySgrAttribute* attr);

size_t ghostty_sgr_unknown_full(GhosttySgrUnknown unknown,
                                const uint16_t** ptr);

size_t ghostty_sgr_unknown_partial(GhosttySgrUnknown unknown,
                                   const uint16_t** ptr);

GhosttySgrAttributeTag ghostty_sgr_attribute_tag(GhosttySgrAttribute attr);

GhosttySgrAttributeValue* ghostty_sgr_attribute_value(
    GhosttySgrAttribute* attr);
 
#ifdef __wasm__
GhosttySgrAttribute* ghostty_wasm_alloc_sgr_attribute(void);

void ghostty_wasm_free_sgr_attribute(GhosttySgrAttribute* attr);
#endif
 
#ifdef __cplusplus
}
#endif

 
#endif /* GHOSTTY_VT_SGR_H */