Added string view

1 files changed, 25 insertions, 0 deletions

diff --git a/src/string.h b/src/string.h
index 5a89dec..999add8 100644
--- a/src/string.h
+++ b/src/string.h
@@ -18,3 +18,28 @@ strng_t * strng_dup(smrt_arena_t *arena, strng_t const *src);
    void strng_clear(strng_t *string);
 
 #define STRNG_FMT(s) (i32)s->len, (char *)((u8*)s+STRNG_BASE_POS)
+
+typedef struct {
+       u64   start;
+       u64     end;
+       u64     max;
+char const *string;
+} strng_view_t;
+
+static inline strng_view_t sv_from(strng_t *string) {
+    return (strng_view_t){
+        .string=(char*)((u8*)string+STRNG_BASE_POS),
+        .start=0,
+        .end=string->len,
+        .max=string->len,
+    };
+}
+strng_view_t sv_from_chars(char const* c);
+
+void  sv_trim_left(strng_view_t *sv);
+void sv_trim_right(strng_view_t *sv);
+void       sv_trim(strng_view_t *sv);
+void      sv_reset(strng_view_t *sv);
+
+#define SV_FMT(sv) (i32)((sv)->end - (sv)->start), (char *)((u8*)((sv)->string) + (sv)->start)
+