Hi Maor,
In vfr.vfr file (MdeModulePkg/Universal/DriverSampleDxe), it has a similar
sample code like below, I think you can use below code to meet your request.
//
// Define a string (EFI_IFR_STRING)
//
string varid = MyIfrNVData.MyStringData,
prompt = STRING_TOKEN(STR_MY_STRING_PROMPT2),
help = STRING_TOKEN(STR_MY_STRING_HELP2),
flags = INTERACTIVE,
key = 0x1236,
minsize = 6,
maxsize = 40,
inconsistentif prompt =
STRING_TOKEN(STR_STRING_CHECK_ERROR_POPUP),
pushthis != stringref(STRING_TOKEN(STR_STRING_CHECK))
endif
endstring;
Thanks,
Eric
From: Maor Dickman [mailto:[email protected]]
Sent: Sunday, December 14, 2014 8:39 PM
To: [email protected]
Subject: [edk2] HII VFR string - Validate IPv4 addresses
Hi everyone,
On the subject of HII VFR forms.
I'm trying validate if the input string in my form is legal IPv4 address using
"match" statement.
I didn't find any good example for proper usage of "match" statement and all my
tries to use it failed.
Here is my last attempt:
Vfr:
string
name = ipv4,
varid = Mlx4NVData.IscsiInitiatorIpv4Addr,
questionid = CMD_ IPV4_ADDR,
prompt = STRING_TOKEN(STR_ IPV4_ADDR),
help = STRING_TOKEN(STR_ IPV4_ADDR_HELP),
flags = 0,
minsize = 0,
maxsize = 15,
default = STRING_TOKEN(STR_HELP_EMPTY2),
inconsistentif prompt = STRING_TOKEN(STR_ISCSI_INIT_IPV4_ADDR_HELP),
match(questionref(ipv4),stringref(STRING_TOKEN(STR_IP_FORMAT)))
endif
endstring;
#string STR_IP_FORMAT
#language en-US
"([0-9]{1,3}[.]){3}[0-9]{1,3}"
My questions are:
- What I'm doing wrong?
- Is there a sample or some guide of how to use "match" statement ?
Thanks and Regards.
Maor Dickman
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