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Add guf_str_view functions

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jun 2025-03-04 08:15:21 +01:00
parent 301477f5c6
commit 24bc8d5a15
1 changed files with 34 additions and 7 deletions
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41
src/guf_str.h
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@ -36,7 +36,6 @@ typedef struct guf_str {
guf_str_state state;
} guf_str;
#define GUF_CSTR_TO_VIEW(CSTR) ((guf_str_view){.str = (CSTR), .len = strlen((CSTR))})
#define GUF_STR_TO_VIEW(GUF_STR_PTR) ((guf_str_view){.str = guf_str_const_cstr((GUF_STR_PTR)), .len = guf_str_len((GUF_STR_PTR))})
#define GUF_CSTR_TO_READONLY_STR(CSTR) ((guf_str){.state = GUF_STR_STATE_VIEW, .allocator = NULL, .data.heap.c_str = CSTR, .data.heap.len = strlen(CSTR), .data.heap.capacity = 0})
@ -91,13 +90,17 @@ GUF_STR_KWRDS bool guf_str_is_valid(const guf_str *str);
GUF_STR_KWRDS bool guf_str_alloc_success(const guf_str *str);
GUF_STR_KWRDS guf_hash_size_t guf_str_view_hash(const guf_str_view *sv);
GUF_STR_KWRDS uint64_t guf_str_view_hash64(const guf_str_view *sv);
GUF_STR_KWRDS uint32_t guf_str_view_hash32(const guf_str_view *sv);
// Comparison:
GUF_STR_KWRDS bool guf_str_view_equal(const guf_str_view* a, const guf_str_view* b);
GUF_STR_KWRDS bool guf_str_view_equal_val_arg(guf_str_view a_val, guf_str_view b_val);
GUF_STR_KWRDS int guf_str_view_cmp(const void *str_view_a, const void *str_view_b); // For qsort etc.
GUF_STR_KWRDS bool guf_str_equal(const guf_str *a, const guf_str *b);
GUF_STR_KWRDS bool guf_str_equals_cstr(const guf_str *a, const char *c_str);
GUF_STR_KWRDS bool guf_str_equals_strview(const guf_str *a, guf_str_view b);
GUF_STR_KWRDS int guf_str_view_cmp(const void *str_view_a, const void *str_view_b); // For qsort etc.
#endif
@ -112,6 +115,8 @@ GUF_STR_KWRDS int guf_str_view_cmp(const void *str_view_a, const void *str_view_
#endif
#include "guf_utf8.h"
// TODO: find_first_of
GUF_STR_KWRDS guf_str_view guf_str_next_tok(guf_str_view *input, const guf_str_view *delims, ptrdiff_t num_delims, const guf_str_view *preserved_delims, ptrdiff_t num_preserved_delims)
{
if (input->len <= 0 || input->str == NULL) {
@ -182,8 +187,6 @@ GUF_STR_KWRDS guf_str_view guf_str_next_tok(guf_str_view *input, const guf_str_v
return tok;
}
// TODO: find_first_of and tokenise -> for parsing, see aoclib.
GUF_STR_KWRDS guf_str_view guf_substr_view(guf_str_view str, ptrdiff_t pos, ptrdiff_t count)
{
GUF_ASSERT(str.str);
@ -207,14 +210,31 @@ GUF_STR_KWRDS guf_hash_size_t guf_str_view_hash(const guf_str_view *sv)
if (!sv->str || sv->len <= 0) {
return GUF_HASH_INIT;
}
return guf_hash(sv->str, sv->len, GUF_HASH_INIT);
}
GUF_STR_KWRDS uint64_t guf_str_view_hash64(const guf_str_view *sv)
{
GUF_ASSERT(sv);
if (!sv->str || sv->len <= 0) {
return GUF_HASH64_INIT;
}
return guf_hash64(sv->str, sv->len, GUF_HASH64_INIT);
}
GUF_STR_KWRDS uint32_t guf_str_view_hash32(const guf_str_view *sv)
{
GUF_ASSERT(sv);
if (!sv->str || sv->len <= 0) {
return GUF_HASH32_INIT;
}
return guf_hash32(sv->str, sv->len, GUF_HASH32_INIT);
}
// Comparison:
GUF_STR_KWRDS bool guf_str_view_equal(const guf_str_view* a, const guf_str_view* b)
{
GUF_ASSERT_RELEASE(a && b);
GUF_ASSERT(a && b);
if (a->len != b->len) {
return false;
}
@ -224,12 +244,19 @@ GUF_STR_KWRDS bool guf_str_view_equal(const guf_str_view* a, const guf_str_view*
} else if (!a->str && !b->str) {
return a->len == b->len;
}
GUF_ASSERT(a->str && b->str);
GUF_ASSERT_RELEASE(a->len >= 0);
if (a->len <= 0) {
return true;
}
return 0 == memcmp(a->str, b->str, a->len);
}
GUF_STR_KWRDS bool guf_str_view_equal_val_arg(guf_str_view a_val, guf_str_view b_val)
{
return guf_str_view_equal(&a_val, &b_val);
}
#undef GUF_STR_IMPL
#undef GUF_STR_IMPL_STATIC