WHCandCursor
1f1fcba7ad
Vendored sashidown, OpenAI-compatible env (OPENAI_*), and bootstrap scripts. Co-authored-by: Cursor <cursoragent@cursor.com>
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
#ifndef MD_RENDER_H
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#define MD_RENDER_H
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#include "sashidown.h"
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#include <stddef.h>
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#include <stdint.h>
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typedef enum {
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LK_EMPTY,
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LK_FENCE,
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LK_HEADING,
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LK_HR,
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LK_BQ,
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LK_UL,
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LK_OL,
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LK_LATEX_LINE,
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LK_LATEX_BLOCK,
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LK_PARA,
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} line_kind_t;
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typedef struct {
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line_kind_t kind;
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size_t content_start;
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size_t content_end;
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int heading_level;
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int fence_len;
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char fence_char; /* '`' or '~' */
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size_t info_start; /* fence info string */
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size_t info_end;
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int task; /* 0=none, 1=unchecked, 2=checked */
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} line_info_t;
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/*
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* [CST State Q] — open-block environment registers (finite CST state).
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* Tracks which block containers are currently open so the transducer can
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* emit close tags without an AST. Constant size; independent of |B|.
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*/
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typedef struct {
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uint8_t ul;
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uint8_t ol;
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uint8_t bq;
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uint8_t para;
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} block_env_t;
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/*
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* [CST State Q] — full confirmation-state transducer state.
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* Holds block_env plus soft-window / delayed-commit registers (fence,
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* LaTeX, pending line, table gate). Maps to CST state Q in the paper:
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* Scan(B[0..stop)) advances Q and emits only confirmed Y.
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*/
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typedef struct {
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block_env_t block; /* [CST State Q] nested open-block bits */
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int pending_valid;
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size_t pending_pos;
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size_t pending_le;
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line_info_t pending_li;
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int in_fence;
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int fence_len;
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char fence_char;
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size_t fence_info_start;
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size_t fence_info_end;
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int in_latex_block;
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size_t latex_start;
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uint8_t para_hard_break;
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/* Streaming table (scheme C): after header+sep committed, body rows
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* emit immediately; close on empty / non-pipe / final. */
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int in_table;
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int table_cols;
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/* Inline emphasis/code spans an open <p> across soft line breaks. */
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uint8_t inline_bold;
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uint8_t inline_italic;
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uint8_t inline_code;
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uint8_t inline_latex;
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uint8_t inline_strike;
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} sashidown_render_state_t;
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void sashidown_render_state_init(sashidown_render_state_t *state);
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/* Render input[start..stop) or full len when is_final. Updates *pos_io. */
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int sashidown_render_incremental(
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sashidown_ctx_t *restrict ctx,
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sashidown_render_state_t *restrict state,
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const char *restrict input, size_t len,
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size_t *pos_io,
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size_t stop,
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int is_final);
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int sashidown_render(sashidown_ctx_t *ctx, const char *input, size_t len);
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#endif /* MD_RENDER_H */
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