1 files changed, 79 insertions, 0 deletions
diff --git a/src/nxt_tstr.h b/src/nxt_tstr.h
new file mode 100644
index 00000000..0cc24292
--- /dev/null
+++ b/src/nxt_tstr.h
@@ -0,0 +1,79 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_TSTR_H_INCLUDED_
+#define _NXT_TSTR_H_INCLUDED_
+
+
+#include <nxt_js.h>
+
+typedef struct nxt_tstr_s        nxt_tstr_t;
+typedef struct nxt_tstr_query_s  nxt_tstr_query_t;
+
+
+typedef struct {
+    nxt_mp_t            *pool;
+    nxt_array_t         *var_fields;
+#if (NXT_HAVE_NJS)
+    nxt_js_conf_t       *jcf;
+#endif
+    uint8_t             test;  /* 1 bit */
+} nxt_tstr_state_t;
+
+
+typedef struct {
+    nxt_var_cache_t     var;
+#if (NXT_HAVE_NJS)
+    nxt_js_cache_t      js;
+#endif
+} nxt_tstr_cache_t;
+
+
+typedef enum {
+    NXT_TSTR_STRZ       = 1 << 0,
+    NXT_TSTR_LOGGING    = 1 << 1,
+} nxt_tstr_flags_t;
+
+
+nxt_tstr_state_t *nxt_tstr_state_new(nxt_mp_t *mp, nxt_bool_t test);
+nxt_tstr_t *nxt_tstr_compile(nxt_tstr_state_t *state, nxt_str_t *str,
+    nxt_tstr_flags_t flags);
+nxt_int_t nxt_tstr_test(nxt_tstr_state_t *state, nxt_str_t *str, u_char *error);
+nxt_int_t nxt_tstr_state_done(nxt_tstr_state_t *state, u_char *error);
+
+nxt_bool_t nxt_tstr_is_const(nxt_tstr_t *tstr);
+void nxt_tstr_str(nxt_tstr_t *tstr, nxt_str_t *str);
+
+nxt_int_t nxt_tstr_query_init(nxt_tstr_query_t **query_p,
+    nxt_tstr_state_t *state, nxt_tstr_cache_t *cache, void *ctx,
+    nxt_mp_t *mp);
+void nxt_tstr_query(nxt_task_t *task, nxt_tstr_query_t *query, nxt_tstr_t *tstr,
+    nxt_str_t *val);
+void nxt_tstr_query_resolve(nxt_task_t *task, nxt_tstr_query_t *query,
+    void *data, nxt_work_handler_t ready, nxt_work_handler_t error);
+void nxt_tstr_query_handle(nxt_task_t *task, nxt_tstr_query_t *query,
+    nxt_bool_t failed);
+
+
+nxt_inline nxt_bool_t
+nxt_is_tstr(nxt_str_t *str)
+{
+    u_char  *p;
+
+    p = memchr(str->start, '`', str->length);
+    if (p != NULL) {
+        return 1;
+    }
+
+    p = memchr(str->start, '$', str->length);
+    if (p != NULL) {
+        return 1;
+    }
+
+    return 0;
+}
+
+
+#endif /* _NXT_TSTR_H_INCLUDED_ */