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MIRROR: javascript for 🐜's, a tiny runtime with big ambitions ant.themackabu.dev
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586#include <string.h>
#include "highlight.h"#include "highlight/emit.h"
int ant_highlight_stateful( const char *input, size_t input_len, char *out, size_t out_size, highlight_state *state) { hl_outbuf o; hl_outbuf_init(&o, out, out_size);
hl_iter it; hl_iter_init(&it, input, input_len, state);
hl_span span; while (hl_iter_next(&it, &span) && !o.overflow) hl_outbuf_emit_span(&o, span.cls, input + span.off, span.len);
*state = hl_iter_state(&it);
if (o.overflow) { o.pos = 0; o.overflow = false; hl_outbuf_write_escaped(&o, input, input_len); if (o.overflow) { size_t safe = out_size > 1 ? out_size - 1 : 0; if (safe > input_len) safe = input_len; memcpy(out, input, safe); out[safe] = '\0'; return (int)safe; } }
o.buf[o.pos] = '\0'; return (int)o.pos;}
int ant_highlight(const char *input, size_t input_len, char *out, size_t out_size) { highlight_state state = HL_STATE_INIT; return ant_highlight_stateful(input, input_len, out, out_size, &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) { hl_outbuf o; hl_outbuf_init(&o, out, out_size);
hl_iter it; hl_iter_init(&it, line, line_len, state);
size_t vis_cols = 0; hl_span span;
while (hl_iter_next(&it, &span)) { if (vis_cols >= max_cols) continue; size_t span_remaining = max_cols - vis_cols; size_t emit_len = span.len < span_remaining ? span.len : span_remaining; if (!o.overflow) hl_outbuf_emit_span(&o, span.cls, line + span.off, emit_len); vis_cols += span.len; }
*state = hl_iter_state(&it);
if (o.overflow) { o.pos = 0; size_t emit = line_len < max_cols ? line_len : max_cols; hl_outbuf_write_escaped(&o, line, emit); if (o.overflow) { size_t safe = out_size > 1 ? out_size - 1 : 0; if (safe > emit) safe = emit; memcpy(out, line, safe); out[safe] = '\0'; return (int)safe; } }
o.buf[o.pos] = '\0'; return (int)o.pos;}