tb_char_t const* tb_string_cstrfcpy(tb_string_ref_t string, tb_char_t const* fmt, ...)
{
// check
tb_assert_and_check_return_val(string && fmt, tb_null);
// format data
tb_char_t p[TB_SCOPED_STRING_FMTD_SIZE] = {0};
tb_size_t n = 0;
tb_vsnprintf_format(p, TB_SCOPED_STRING_FMTD_SIZE, fmt, &n);
tb_assert_and_check_return_val(n, tb_null);
// done
return tb_string_cstrncpy(string, p, n);
}
tb_char_t const* tb_string_strcpy(tb_string_ref_t string, tb_string_ref_t s)
{
// check
tb_assert_and_check_return_val(s, tb_null);
// done
tb_size_t n = tb_string_size(s);
if (n) return tb_string_cstrncpy(string, tb_string_cstr(s), n);
else
{
tb_string_clear(string);
return tb_null;
}
}
tb_char_t const* tb_xml_reader_cdata(tb_xml_reader_ref_t reader)
{
// check
tb_xml_reader_impl_t* impl = (tb_xml_reader_impl_t*)reader;
tb_assert_and_check_return_val(impl && impl->event == TB_XML_READER_EVENT_CDATA, tb_null);
// init
tb_char_t const* p = tb_string_cstr(&impl->element);
tb_size_t n = tb_string_size(&impl->element);
tb_assert_and_check_return_val(p && n >= 11, tb_null);
// comment
tb_string_cstrncpy(&impl->text, p + 8, n - 10);
return tb_string_cstr(&impl->text);
}
tb_char_t const* tb_xml_reader_element(tb_xml_reader_ref_t reader)
{
// check
tb_xml_reader_impl_t* impl = (tb_xml_reader_impl_t*)reader;
tb_assert_and_check_return_val(impl && ( impl->event == TB_XML_READER_EVENT_ELEMENT_BEG
|| impl->event == TB_XML_READER_EVENT_ELEMENT_END
|| impl->event == TB_XML_READER_EVENT_ELEMENT_EMPTY), tb_null);
// init
tb_char_t const* p = tb_null;
tb_char_t const* b = tb_string_cstr(&impl->element);
tb_char_t const* e = b + tb_string_size(&impl->element);
tb_assert_and_check_return_val(b, tb_null);
// </name> or <name ... />
if (b < e && *b == '/') b++;
for (p = b; p < e && *p && !tb_isspace(*p) && *p != '/'; p++) ;
// ok?
return p > b? tb_string_cstrncpy(&impl->element_name, b, p - b) : tb_null;
}
tb_char_t const* tb_string_cstrcpy(tb_string_ref_t string, tb_char_t const* s)
{
// check
tb_assert_and_check_return_val(s, tb_null);
return tb_string_cstrncpy(string, s, tb_strlen(s));
}
