WHCandCursor
1f1fcba7ad
Vendored sashidown, OpenAI-compatible env (OPENAI_*), and bootstrap scripts. Co-authored-by: Cursor <cursoragent@cursor.com>
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
#ifndef SASHIDOWN_H
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#define SASHIDOWN_H
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#include <stddef.h>
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#define SASHIDOWN_OUTPUT_DEFAULT 65536
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typedef struct {
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const char *input;
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size_t input_len;
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char *output;
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size_t output_cap;
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size_t output_len;
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char *write_ptr;
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char *write_end;
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void *line_ix;
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int overflow; /* set when output buffer is exhausted */
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} sashidown_ctx_t;
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/* Parse markdown to HTML. Returns 0 on success, -1 on error
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* (null args, or output buffer too small — never silently truncates). */
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int sashidown_parse(const char *input, size_t len,
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char *output, size_t cap, size_t *out_len);
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typedef enum {
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SASHIDOWN_FMT_HTML = 0,
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SASHIDOWN_FMT_ANSI = 1, /* built-in colorful terminal theme */
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SASHIDOWN_FMT_JSON = 2,
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SASHIDOWN_FMT_ANSI_PLAIN = 3, /* monochrome / SGR attributes only */
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} sashidown_format_t;
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/* Single-pass convert. SASHIDOWN_FMT_HTML delegates to sashidown_parse.
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* Returns 0 on success, -1 on error (null args, bad format, or buffer too small). */
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int sashidown_convert(const char *input, size_t len,
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char *output, size_t cap, size_t *out_len,
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sashidown_format_t format);
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/* Allocating wrapper (thread-safe). Caller must free via sashidown_free. */
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char *cmark_markdown_to_html(const char *text, int len);
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void sashidown_free(void *ptr);
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/* --- Streaming API (AI conversation / incremental input) --- */
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typedef struct sashidown_stream sashidown_stream_t;
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/* Called for each HTML chunk; return non-zero to abort feeding. */
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typedef int (*sashidown_stream_cb)(const char *html, size_t len, void *user);
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typedef struct {
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sashidown_stream_cb on_html;
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void *user;
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size_t output_buf_size; /* default 8192 if 0; grows on overflow */
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} sashidown_stream_opts_t;
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sashidown_stream_t *sashidown_stream_create(const sashidown_stream_opts_t *opts);
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int sashidown_stream_feed(sashidown_stream_t *s, const char *chunk, size_t len);
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int sashidown_stream_finish(sashidown_stream_t *s);
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void sashidown_stream_destroy(sashidown_stream_t *s);
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/* Bytes held past the confirmation frontier (input_len - render_pos).
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* Unconfirmed suffix under uncertain future input; O(1) query. */
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size_t sashidown_stream_pending(const sashidown_stream_t *s);
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#endif /* SASHIDOWN_H */
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