Merge pull request #15741 from s-hadinger/berry_bytes_tohex

Berry bytes().tohex()

lib/libesp32/berry/generate/be_const_strtab.h

@@ -947,6 +947,7 @@ extern const bcstring be_const_str_timer_cb;
 extern const bcstring be_const_str_to_gamma;
 extern const bcstring be_const_str_tob64;
 extern const bcstring be_const_str_tobytes;
+extern const bcstring be_const_str_tohex;
 extern const bcstring be_const_str_toint;
 extern const bcstring be_const_str_tolower;
 extern const bcstring be_const_str_tomap;

lib/libesp32/berry/generate/be_fixed_be_class_bytes.h

@@ -1,43 +1,44 @@
 #include "be_constobj.h"
 
 static be_define_const_map_slots(be_class_bytes_map) {
-    { be_const_key(_X2Esize, 9), be_const_var(0) },
-    { be_const_key(resize, -1), be_const_func(m_resize) },
+    { be_const_key(set, -1), be_const_func(m_set) },
+    { be_const_key(_X2Elen, 0), be_const_var(0) },
+    { be_const_key(tob64, 4), be_const_func(m_tob64) },
+    { be_const_key(_X2E_X2E, -1), be_const_func(m_connect) },
+    { be_const_key(setfloat, -1), be_const_func(m_setfloat) },
+    { be_const_key(get, 2), be_const_func(m_getu) },
+    { be_const_key(asstring, -1), be_const_func(m_asstring) },
+    { be_const_key(getfloat, 24), be_const_func(m_getfloat) },
+    { be_const_key(_buffer, -1), be_const_func(m_buffer) },
+    { be_const_key(init, -1), be_const_func(m_init) },
+    { be_const_key(_X2Esize, 23), be_const_var(1) },
+    { be_const_key(tohex, 16), be_const_func(m_tohex) },
+    { be_const_key(fromhex, -1), be_const_func(m_fromhex) },
+    { be_const_key(setbits, 7), be_const_closure(setbits_closure) },
+    { be_const_key(copy, 31), be_const_func(m_copy) },
+    { be_const_key(size, 17), be_const_func(m_size) },
+    { be_const_key(getbits, -1), be_const_closure(getbits_closure) },
+    { be_const_key(fromb64, -1), be_const_func(m_fromb64) },
+    { be_const_key(_change_buffer, -1), be_const_func(m_change_buffer) },
+    { be_const_key(_X21_X3D, 30), be_const_func(m_nequal) },
     { be_const_key(clear, -1), be_const_func(m_clear) },
-    { be_const_key(_X21_X3D, 14), be_const_func(m_nequal) },
-    { be_const_key(copy, 11), be_const_func(m_copy) },
+    { be_const_key(seti, 18), be_const_func(m_set) },
+    { be_const_key(_X2B, -1), be_const_func(m_merge) },
+    { be_const_key(add, 26), be_const_func(m_add) },
+    { be_const_key(deinit, -1), be_const_func(m_deinit) },
     { be_const_key(tostring, -1), be_const_func(m_tostring) },
     { be_const_key(item, -1), be_const_func(m_item) },
-    { be_const_key(setbits, 29), be_const_closure(setbits_closure) },
-    { be_const_key(deinit, 12), be_const_func(m_deinit) },
-    { be_const_key(asstring, -1), be_const_func(m_asstring) },
-    { be_const_key(_X2B, -1), be_const_func(m_merge) },
+    { be_const_key(geti, -1), be_const_func(m_geti) },
+    { be_const_key(resize, -1), be_const_func(m_resize) },
     { be_const_key(setitem, -1), be_const_func(m_setitem) },
-    { be_const_key(fromstring, 31), be_const_func(m_fromstring) },
-    { be_const_key(_X2E_X2E, -1), be_const_func(m_connect) },
-    { be_const_key(set, -1), be_const_func(m_set) },
-    { be_const_key(_X3D_X3D, -1), be_const_func(m_equal) },
-    { be_const_key(getbits, 18), be_const_closure(getbits_closure) },
-    { be_const_key(fromhex, -1), be_const_func(m_fromhex) },
-    { be_const_key(getfloat, 27), be_const_func(m_getfloat) },
-    { be_const_key(init, 16), be_const_func(m_init) },
-    { be_const_key(add, -1), be_const_func(m_add) },
-    { be_const_key(_change_buffer, -1), be_const_func(m_change_buffer) },
-    { be_const_key(_X2Elen, -1), be_const_var(1) },
-    { be_const_key(get, 25), be_const_func(m_getu) },
-    { be_const_key(_buffer, 22), be_const_func(m_buffer) },
-    { be_const_key(fromb64, -1), be_const_func(m_fromb64) },
-    { be_const_key(geti, 17), be_const_func(m_geti) },
     { be_const_key(_X2Ep, -1), be_const_var(2) },
-    { be_const_key(size, -1), be_const_func(m_size) },
-    { be_const_key(setfloat, -1), be_const_func(m_setfloat) },
-    { be_const_key(seti, -1), be_const_func(m_set) },
-    { be_const_key(tob64, -1), be_const_func(m_tob64) },
+    { be_const_key(fromstring, -1), be_const_func(m_fromstring) },
+    { be_const_key(_X3D_X3D, -1), be_const_func(m_equal) },
 };
 
 static be_define_const_map(
     be_class_bytes_map,
-    32
+    33
 );
 
 BE_EXPORT_VARIABLE be_define_const_class(

lib/libesp32/berry/src/be_byteslib.c

@@ -715,6 +715,25 @@ static int m_tostring(bvm *vm)
     be_return(vm);
 }
 
+static int m_tohex(bvm *vm)
+{
+    int argc = be_top(vm);
+    buf_impl attr = m_read_attributes(vm, 1);
+    if (attr.bufptr) {              /* pointer looks valid */
+        int32_t len = attr.len;
+        size_t hex_len = len * 2 + 1;
+
+        char * hex_out = be_pushbuffer(vm, hex_len);
+        size_t l = tohex(hex_out, hex_len, attr.bufptr, len);
+
+        be_pushnstring(vm, hex_out, l); /* make escape string from buffer */
+        be_remove(vm, -2); /* remove buffer */
+    } else {                    /* pointer is null, don't try to dereference it as it would crash */
+        be_pushstring(vm, "");
+    }
+    be_return(vm);
+}
+
 /*
  * Copy the buffer into a string without any changes
  */
@@ -1536,6 +1555,8 @@ void be_load_byteslib(bvm *vm)
         { "fromstring", m_fromstring },
         { "tob64", m_tob64 },
         { "fromb64", m_fromb64 },
+        { "fromhex", m_fromhex },
+        { "tohex", m_tohex },
         { "add", m_add },
         { "get", m_getu },
         { "geti", m_geti },
@@ -1578,6 +1599,7 @@ class be_class_bytes (scope: global, name: bytes) {
     tob64, func(m_tob64)
     fromb64, func(m_fromb64)
     fromhex, func(m_fromhex)
+    tohex, func(m_tohex)
     add, func(m_add)
     get, func(m_getu)
     geti, func(m_geti)