Initial CST-Agent: portable Linux/Termux/Windows coding agent.

Vendored sashidown, OpenAI-compatible env (OPENAI_*), and bootstrap scripts. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-07 22:42:32 +08:00
commit 1f1fcba7ad
75 changed files with 14940 additions and 0 deletions
@@ -0,0 +1,96 @@
+#include "sashidown.h"
+#include "line_index.h"
+#include "fsm.h"
+#include "render.h"
+#include "render_ansi.h"
+#include "render_json.h"
+#include <string.h>
+
+int sashidown_parse(const char *input, size_t len,
+                 char *output, size_t cap, size_t *out_len)
+{
+    if (!input || !output || cap == 0)
+        return -1;
+
+    LINE_INDEX_STACK(ix);
+    line_index_build(input, len, &ix);
+
+    sashidown_ctx_t ctx = {
+        .input      = input,
+        .input_len  = len,
+        .output     = output,
+        .output_cap = cap,
+        .output_len = 0,
+        .write_ptr  = NULL,
+        .write_end  = NULL,
+        .line_ix    = &ix,
+        .overflow   = 0,
+    };
+
+    if (sashidown_render(&ctx, input, len) != 0) {
+        fsm_write_end(&ctx);
+        return -1;
+    }
+
+    if (ctx.overflow || ctx.output_len + 1 > cap)
+        return -1;
+
+    output[ctx.output_len] = '\0';
+    if (out_len)
+        *out_len = ctx.output_len;
+    return 0;
+}
+
+static int convert_with_render(const char *input, size_t len,
+                               char *output, size_t cap, size_t *out_len,
+                               int (*render_fn)(sashidown_ctx_t *, const char *, size_t))
+{
+    if (!input || !output || cap == 0)
+        return -1;
+
+    LINE_INDEX_STACK(ix);
+    line_index_build(input, len, &ix);
+
+    sashidown_ctx_t ctx = {
+        .input      = input,
+        .input_len  = len,
+        .output     = output,
+        .output_cap = cap,
+        .output_len = 0,
+        .write_ptr  = NULL,
+        .write_end  = NULL,
+        .line_ix    = &ix,
+        .overflow   = 0,
+    };
+
+    if (render_fn(&ctx, input, len) != 0) {
+        fsm_write_end(&ctx);
+        return -1;
+    }
+
+    if (ctx.overflow || ctx.output_len + 1 > cap)
+        return -1;
+
+    output[ctx.output_len] = '\0';
+    if (out_len)
+        *out_len = ctx.output_len;
+    return 0;
+}
+
+int sashidown_convert(const char *input, size_t len,
+                   char *output, size_t cap, size_t *out_len,
+                   sashidown_format_t format)
+{
+    switch (format) {
+    case SASHIDOWN_FMT_HTML:
+        return sashidown_parse(input, len, output, cap, out_len);
+    case SASHIDOWN_FMT_ANSI:
+        return convert_with_render(input, len, output, cap, out_len, sashidown_render_ansi);
+    case SASHIDOWN_FMT_ANSI_PLAIN:
+        return convert_with_render(input, len, output, cap, out_len, sashidown_render_ansi_plain);
+    case SASHIDOWN_FMT_JSON:
+        return convert_with_render(input, len, output, cap, out_len, sashidown_render_json);
+    default:
+        return -1;
+    }
+}