fix(string_view): Fixed string view utils

nob.c

@@ -10,6 +10,8 @@
 const char *test_names[] = {
     "minimal_log_level",
     "nob_sv_end_with",
+    "nob_sv_chop_left",
+    "nob_sv_chop_right",
     "set_get_current_dir",
     "cmd_redirect",
     "cmd_args_passing",

nob.h

@@ -1952,7 +1952,11 @@ NOBDEF Nob_String_View nob_sv_chop_by_delim(Nob_String_View *sv, char delim)
     return result;
 }
 
-NOBDEF Nob_String_View nob_sv_chop_left(Nob_String_View *sv, size_t n)
+/* This chop right function should be used with caution as it changes the state of 
+the input string view struct, a better way to use it IMO is to create the input string view from
+a temporary buffer allocation
+*/
+NOBDEF Nob_String_View nob_sv_chop_right(Nob_String_View *sv, size_t n)
 {
     if (n > sv->count) {
         n = sv->count;
@@ -1966,6 +1970,24 @@ NOBDEF Nob_String_View nob_sv_chop_left(Nob_String_View *sv, size_t n)
     return result;
 }
 
+
+/* This chop left function should be used with caution as it changes the state of 
+the input string view struct, a better way to use it IMO is to create the input string view from
+a temporary buffer
+*/
+NOBDEF Nob_String_View nob_sv_chop_left(Nob_String_View *sv, size_t n)
+{
+    if (n > sv->count) {
+        n = sv->count;
+    }
+
+    sv->data  += n;
+    sv->count -= n;
+
+    Nob_String_View result = nob_sv_from_parts(sv->data, sv->count);
+    return result;
+}
+
 NOBDEF Nob_String_View nob_sv_from_parts(const char *data, size_t count)
 {
     Nob_String_View sv;

tests/nob_sv_chop_left.c

@@ -0,0 +1,37 @@
+#define NOB_IMPLEMENTATION
+#include "nob.h"
+
+void assert_true(const char *test_case, bool result)
+{
+    if (result) {
+        nob_log(NOB_INFO, "[SUCCESS] %s", test_case);
+    } else {
+        nob_log(NOB_ERROR, "[FAIL] %s", test_case);
+    }
+}
+
+void assert_false(const char *test_case, bool result)
+{
+    if (!result) {
+        nob_log(NOB_INFO, "[SUCCESS] %s", test_case);
+    } else {
+        nob_log(NOB_ERROR, "[FAIL] %s", test_case);
+    }
+}
+
+int main(void)
+{
+    Nob_String_View sv_chop_left[] = {
+        nob_sv_from_cstr("foobar"),
+        nob_sv_from_cstr("yet_another_foobar"),
+        nob_sv_from_cstr("example"),
+        nob_sv_from_cstr("another_example"),
+    };
+
+    assert_true("nob_sv_chop_left(sv1, \"foobar\", 2)", nob_sv_eq(nob_sv_chop_left(&sv_chop_left[0], 2), nob_sv_from_cstr("obar")));
+    assert_false("nob_sv_chop_left(sv2, \"yet_another_foobar\", 4)", nob_sv_eq(nob_sv_chop_left(&sv_chop_left[1], 4), nob_sv_from_cstr("obar")));
+    assert_true("nob_sv_chop_left(sv3, \"example\", 3)", nob_sv_eq(nob_sv_chop_left(&sv_chop_left[2], 3), nob_sv_from_cstr("mple")));
+    assert_false("nob_sv_chop_left(sv4, \"another_example\", 3)", nob_sv_eq(nob_sv_chop_left(&sv_chop_left[3], 3), nob_sv_from_cstr("ampl")));
+
+    return 0;
+}

tests/nob_sv_chop_right.c

@@ -0,0 +1,37 @@
+#define NOB_IMPLEMENTATION
+#include "nob.h"
+
+void assert_true(const char *test_case, bool result)
+{
+    if (result) {
+        nob_log(NOB_INFO, "[SUCCESS] %s", test_case);
+    } else {
+        nob_log(NOB_ERROR, "[FAIL] %s", test_case);
+    }
+}
+
+void assert_false(const char *test_case, bool result)
+{
+    if (!result) {
+        nob_log(NOB_INFO, "[SUCCESS] %s", test_case);
+    } else {
+        nob_log(NOB_ERROR, "[FAIL] %s", test_case);
+    }
+}
+
+int main(void)
+{
+    Nob_String_View sv_chop_right[] = {
+        nob_sv_from_cstr("foobar"),
+        nob_sv_from_cstr("yet_another_foobar"),
+        nob_sv_from_cstr("example"),
+        nob_sv_from_cstr("another_example"),
+    };
+
+    assert_true("nob_sv_chop_right(sv1, \"foobar\", 2)", nob_sv_eq(nob_sv_chop_right(&sv_chop_right[0], 2), nob_sv_from_cstr("fo")));
+    assert_false("nob_sv_chop_right(sv2, \"yet_another_foobar\", 4)", nob_sv_eq(nob_sv_chop_right(&sv_chop_right[1], 4), nob_sv_from_cstr("obar")));
+    assert_true("nob_sv_chop_right(sv3, \"example\", 4)", nob_sv_eq(nob_sv_chop_right(&sv_chop_right[2], 4), nob_sv_from_cstr("exam")));
+    assert_false("nob_sv_chop_right(sv4, \"another_example\", 4)", nob_sv_eq(nob_sv_chop_right(&sv_chop_right[3], 4), nob_sv_from_cstr("")));
+
+    return 0;
+}