Add wapp_str8_from_bytes

src/primitives/strings/str8/str8.c

@@ -124,7 +124,7 @@ void wapp_str8_push_back(Str8 *str, c8 c) {
   wapp_str8_set(str, index, c);
 }
 
-bool wapp_str8_equal(Str8RO *s1, Str8RO *s2) {
+b32 wapp_str8_equal(Str8RO *s1, Str8RO *s2) {
   if (s1->size != s2->size) {
     return false;
   }
@@ -132,7 +132,7 @@ bool wapp_str8_equal(Str8RO *s1, Str8RO *s2) {
   return wapp_str8_equal_to_count(s1, s2, s1->size);
 }
 
-bool wapp_str8_equal_to_count(Str8RO* s1, Str8RO* s2, u64 count) {
+b32 wapp_str8_equal_to_count(Str8RO* s1, Str8RO* s2, u64 count) {
   if (!s1 || !s2) {
       return false;
   }
@@ -261,6 +261,16 @@ void wapp_str8_to_upper(Str8 *dst, Str8RO *src) {
   }
 }
 
+void wapp_str8_from_bytes(Str8 *dst, const U8Array *src) {
+  u64 size = src->count * src->item_size;
+
+  wapp_debug_assert(src != NULL && dst != NULL, "`dst` and `src` should not be NULL");
+  wapp_debug_assert(dst->capacity >= size, "`dst` does not have enough capacity");
+
+  dst->size = size;
+  memcpy(dst->buf, src->items, size);
+}
+
 i64 wapp_str8_find(Str8RO *str, Str8RO substr) {
   if (!str || substr.size > str->size) {
     return -1;

src/primitives/strings/str8/str8.h

@@ -6,6 +6,7 @@
 #include "../../../common/aliases/aliases.h"
 #include "../../../common/assert/assert.h"
 #include "../../../common/platform/platform.h"
+#include "../../../primitives/array/array.h"
 #include "../../../primitives/dbl_list/dbl_list.h"
 #include "../../mem_allocator/mem_allocator.h"
 #include <string.h>
@@ -89,8 +90,8 @@ void wapp_str8_dealloc_buf(const Allocator *allocator, Str8 **str);
 c8   wapp_str8_get(Str8RO *str, u64 index);
 void wapp_str8_set(Str8 *str, u64 index, c8 c);
 void wapp_str8_push_back(Str8 *str, c8 c);
-bool wapp_str8_equal(Str8RO *s1, Str8RO *s2);
-bool wapp_str8_equal_to_count(Str8RO* s1, Str8RO* s2, u64 count);
+b32  wapp_str8_equal(Str8RO *s1, Str8RO *s2);
+b32  wapp_str8_equal_to_count(Str8RO* s1, Str8RO* s2, u64 count);
 Str8 wapp_str8_slice(Str8RO *str, u64 start, u64 end);
 void wapp_str8_concat_capped(Str8 *dst, Str8RO *src);
 void wapp_str8_copy_cstr_capped(Str8 *dst, const char *src);
@@ -99,6 +100,7 @@ void wapp_str8_copy_to_cstr(char *dst, Str8RO *src, u64 dst_capacity);
 void wapp_str8_format(Str8 *dst, const char *format, ...);
 void wapp_str8_to_lower(Str8 *dst, Str8RO *src);
 void wapp_str8_to_upper(Str8 *dst, Str8RO *src);
+void wapp_str8_from_bytes(Str8 *dst, const U8Array *src);
 
 /**
  * Str8 find functions

tests/str8/test_str8.c

@@ -612,3 +612,16 @@ TestFuncResult test_str8_join(void) {
 
   return wapp_tester_result(result);
 }
+
+TestFuncResult test_str8_from_bytes(void) {
+  bool result;
+
+  Str8 str      = wapp_str8_buf(1024);
+  U8Array bytes = wapp_u8_array('W', 'A', 'P', 'P');
+  wapp_str8_from_bytes(&str, &bytes);
+
+  result = str.size == bytes.count * bytes.item_size;
+  result = result && wapp_str8_equal(&str, &wapp_str8_lit_ro("WAPP"));
+
+  return wapp_tester_result(result);
+}

tests/str8/test_str8.cc

@@ -612,3 +612,17 @@ TestFuncResult test_str8_join(void) {
 
   return wapp_tester_result(result);
 }
+
+TestFuncResult test_str8_from_bytes(void) {
+  bool result;
+
+  Str8 str      = wapp_str8_buf(1024);
+  Str8 expected = wapp_str8_lit_ro("WAPP");
+  U8Array bytes = wapp_u8_array('W', 'A', 'P', 'P');
+  wapp_str8_from_bytes(&str, &bytes);
+
+  result = str.size == bytes.count * bytes.item_size;
+  result = result && wapp_str8_equal(&str, &expected);
+
+  return wapp_tester_result(result);
+}

tests/str8/test_str8.h

@@ -28,5 +28,6 @@ TestFuncResult test_str8_split_with_max(void);
 TestFuncResult test_str8_rsplit(void);
 TestFuncResult test_str8_rsplit_with_max(void);
 TestFuncResult test_str8_join(void);
+TestFuncResult test_str8_from_bytes(void);
 
 #endif // !TEST_STR8_H

tests/wapptest.c

@@ -56,6 +56,7 @@ int main(void) {
       test_str8_rsplit,
       test_str8_rsplit_with_max,
       test_str8_join,
+      test_str8_from_bytes,
       test_str8_list_get,
       test_str8_list_push_front,
       test_str8_list_push_back,

tests/wapptest.cc

@@ -56,6 +56,7 @@ int main(void) {
       test_str8_rsplit,
       test_str8_rsplit_with_max,
       test_str8_join,
+      test_str8_from_bytes,
       test_str8_list_get,
       test_str8_list_push_front,
       test_str8_list_push_back,