SLVAL
sl_regexp_match(sl_vm_t* vm, SLVAL self, size_t argc, SLVAL* argv)
{
sl_regexp_t* re = get_regexp_check(vm, self);
sl_string_t* str = sl_get_string(vm, argv[0]);
int offset = 0, rc, ncaps;
int* caps;
sl_regexp_match_t* match;
if(argc > 1) {
offset = sl_get_int(sl_expect(vm, argv[1], vm->lib.Int));
}
offset = sl_string_byte_offset_for_index(vm, argv[0], offset);
if(offset < 0) {
return vm->lib.nil;
}
pcre_fullinfo(re->re, re->study, PCRE_INFO_CAPTURECOUNT, &ncaps);
ncaps += 1;
ncaps *= 3;
caps = sl_alloc(vm->arena, sizeof(int) * ncaps);
rc = pcre_exec(re->re, re->study, (char*)str->buff, str->buff_len, offset, PCRE_NEWLINE_LF, caps, ncaps);
if(rc == PCRE_ERROR_NOMATCH) {
return vm->lib.nil;
}
check_pcre_error(vm, rc);
match = (sl_regexp_match_t*)sl_get_ptr(sl_allocate(vm, vm->lib.Regexp_Match));
match->re = re;
match->match_string = argv[0];
match->capture_count = ncaps / 3;
match->captures = caps;
return sl_make_ptr((sl_object_t*)match);
}
SLVAL
sl_regexp_is_match(sl_vm_t* vm, SLVAL self, SLVAL other)
{
sl_regexp_t* re = get_regexp_check(vm, self);
sl_string_t* str = sl_get_string(vm, other);
int rc = pcre_exec(re->re, re->study, (char*)str->buff, str->buff_len, 0, PCRE_NEWLINE_LF, NULL, 0);
if(rc == PCRE_ERROR_NOMATCH) {
return vm->lib._false;
}
check_pcre_error(vm, rc);
return vm->lib._true;
}
SLVAL
sl_regexp_match(sl_vm_t* vm, SLVAL self, size_t argc, SLVAL* argv)
{
sl_regexp_t* re = get_regexp_check(vm, self);
sl_string_t* str = sl_get_string(vm, argv[0]);
int offset = 0, rc, ncaps;
int* caps;
char err_buff[256];
sl_regexp_match_t* match;
if(argc > 1) {
offset = sl_get_int(sl_expect(vm, argv[1], vm->lib.Int));
}
offset = sl_string_byte_offset_for_index(vm, argv[0], offset);
if(offset < 0) {
return vm->lib.nil;
}
pcre_fullinfo(re->re, re->study, PCRE_INFO_CAPTURECOUNT, &ncaps);
ncaps += 1;
ncaps *= 3;
caps = sl_alloc(vm->arena, sizeof(int) * ncaps);
rc = pcre_exec(re->re, re->study, (char*)str->buff, str->buff_len, offset, PCRE_NEWLINE_LF, caps, ncaps);
if(rc < 0) {
if(rc == PCRE_ERROR_NOMATCH) {
return vm->lib.nil;
}
if(rc == PCRE_ERROR_BADUTF8) {
sl_throw_message2(vm, vm->lib.EncodingError, "Invalid UTF-8 in regular expression or match text");
}
sprintf(err_buff, "PCRE error (%d)", rc);
sl_throw_message2(vm, vm->lib.Error, err_buff);
}
match = (sl_regexp_match_t*)sl_get_ptr(sl_allocate(vm, vm->lib.Regexp_Match));
match->re = re;
match->match_string = argv[0];
match->capture_count = ncaps / 3;
match->captures = caps;
return sl_make_ptr((sl_object_t*)match);
}
static SLVAL
sl_regexp_options(sl_vm_t* vm, SLVAL self)
{
return sl_make_int(vm, get_regexp_check(vm, self)->options & ~DEFAULT_OPTIONS);
}
static SLVAL
sl_regexp_source(sl_vm_t* vm, SLVAL self)
{
return get_regexp_check(vm, self)->source;
}