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highlight.h
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highlight.h
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#ifndef HIGHLIGHT_H
#define HIGHLIGHT_H
#include <stddef.h>
#include <stdbool.h>
typedef enum {
HL_STATE_NORMAL,
HL_STATE_STRING_SINGLE,
HL_STATE_STRING_DOUBLE,
HL_STATE_TEMPLATE,
HL_STATE_TEMPLATE_EXPR,
HL_STATE_BLOCK_COMMENT,
} hl_mode_t;
typedef struct {
hl_mode_t mode;
int template_depth;
} highlight_state;
#define HL_STATE_INIT ((highlight_state){ .mode = HL_STATE_NORMAL, .template_depth = 0 })
typedef enum {
HL_NONE,
HL_KEYWORD,
HL_KEYWORD_ITALIC,
HL_KEYWORD_DELETE,
HL_KEYWORD_EXTENDS,
HL_TYPE,
HL_TYPE_STRING,
HL_TYPE_BOOLEAN,
HL_LITERAL_NULL,
HL_STRING,
HL_STRING_DELIMITER,
HL_STRING_ESCAPE,
HL_STRING_KEY,
HL_STRING_TEMPLATE,
HL_REGEX,
HL_REGEX_ESCAPE,
HL_REGEX_DELIMITER,
HL_REGEX_CDATA,
HL_BOOLEAN,
HL_NUMBER,
HL_NUMBER_PREFIX,
HL_COMMENT,
HL_FUNCTION_NAME,
HL_CLASS_NAME,
HL_PARENT_CLASS,
HL_FUNCTION,
HL_ARGUMENT,
HL_PROPERTY,
HL_OPERATOR,
HL_OPTIONAL_CHAIN,
HL_BRACKET,
HL_SEMICOLON,
} hl_token_class;
typedef struct {
size_t off;
size_t len;
hl_token_class cls;
} hl_span;
typedef enum {
HL_CTX_NONE,
HL_CTX_AFTER_FUNCTION,
HL_CTX_AFTER_CLASS,
HL_CTX_AFTER_EXTENDS,
} hl_context;
typedef struct {
const char *input;
size_t input_len;
size_t pos;
highlight_state state;
hl_context ctx;
} hl_iter;
static inline highlight_state hl_iter_state(const hl_iter *it) { return it->state; }
void hl_iter_init(hl_iter *it, const char *input, size_t input_len, const highlight_state *state);
bool hl_iter_next(hl_iter *it, hl_span *out);
int ant_highlight(
const char *input, size_t input_len,
char *out, size_t out_size
);
int ant_highlight_stateful(
const char *input, size_t input_len,
char *out, size_t out_size,
highlight_state *state
);
int highlight_js_line_clipped(
const char *line, size_t line_len,
size_t max_cols,
char *out, size_t out_size,
highlight_state *state
);
#endif

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