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PostgreSQL-IBAN
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Move some code stubs

This commit is contained in:
Yorick de Wid 2020-10-24 23:54:50 +02:00
parent c93ff49861
commit 0e533afb4d
1 changed files with 75 additions and 76 deletions
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151
iban.cpp
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@ -30,13 +30,6 @@ extern "C"
#include <regex> #include <regex>
extern "C"
{
PG_MODULE_MAGIC;
using Iban = char;
}
class Specification { class Specification {
public: public:
Specification(std::string structure, size_t length) Specification(std::string structure, size_t length)
@ -120,7 +113,7 @@ static bool iso7064Mod97_10(std::string iban) {
} }
/** /**
* parse the bban structure used to configure each iban specification and returns a matching regular expression. * Parse the IBAN structure used to configure each iban specification and returns a matching regular expression.
* a structure is composed of blocks of 3 characters (one letter and 2 digits). each block represents * a structure is composed of blocks of 3 characters (one letter and 2 digits). each block represents
* a logical group in the typical representation of the bban. for each group, the letter indicates which characters * a logical group in the typical representation of the bban. for each group, the letter indicates which characters
* are allowed in this group and the following 2-digits number tells the length of the group. * are allowed in this group and the following 2-digits number tells the length of the group.
@ -362,7 +355,7 @@ Validate::Validate() {
/** /**
* Separate CXX and C logic to minimize unexpected or malformed symbols due to * Separate CXX and C logic to minimize unexpected or malformed symbols due to
* language conversions. Also catch all exceptions the std++ can throw since * language conversions. Also demark all exceptions the std++ can throw since
* PostgreSQL is not able to handle them. * PostgreSQL is not able to handle them.
* *
* @param {string} iban * @param {string} iban
@ -403,78 +396,84 @@ bool account_validate_str(char *iban) {
extern "C" extern "C"
{ {
/**************************************************************************
* Input/Output functions
**************************************************************************/
PG_FUNCTION_INFO_V1(ibanin); PG_MODULE_MAGIC;
Datum typedef char Iban;
ibanin(PG_FUNCTION_ARGS) {
char *inputText = PG_GETARG_CSTRING(0);
if (!account_validate_str(inputText)) /**************************************************************************
ereport(ERROR, * Input/Output functions
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION), **************************************************************************/
errmsg("invalid iban format for value: \"%s\"",
inputText)));
PG_RETURN_TEXT_P(cstring_to_text(inputText)); PG_FUNCTION_INFO_V1(ibanin);
}
/* Convert type output */ Datum
ibanin(PG_FUNCTION_ARGS) {
char *inputText = PG_GETARG_CSTRING(0);
PG_FUNCTION_INFO_V1(ibanout); if (!account_validate_str(inputText))
ereport(ERROR,
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
errmsg("invalid iban format for value: \"%s\"",
inputText)));
Datum PG_RETURN_TEXT_P(cstring_to_text(inputText));
ibanout(PG_FUNCTION_ARGS) {
Iban *iban = (Iban *) PG_GETARG_DATUM(0);
PG_RETURN_CSTRING(TextDatumGetCString(iban));
}
/**************************************************************************
* Binary Input/Output functions
**************************************************************************/
PG_FUNCTION_INFO_V1(ibanrecv);
Datum
ibanrecv(PG_FUNCTION_ARGS) {
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
text *result;
Iban *str;
int nbytes;
str = pq_getmsgtext(buf, buf->len - buf->cursor, &nbytes);
result = cstring_to_text_with_len(str, nbytes);
pfree(str);
PG_RETURN_TEXT_P(result);
}
PG_FUNCTION_INFO_V1(ibansend);
Datum
ibansend(PG_FUNCTION_ARGS) {
text *t = PG_GETARG_TEXT_PP(0);
StringInfoData buf;
pq_begintypsend(&buf);
pq_sendtext(&buf, VARDATA_ANY(t), VARSIZE_ANY_EXHDR(t));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* Manually verify a text */
PG_FUNCTION_INFO_V1(iban_validate);
Datum
iban_validate(PG_FUNCTION_ARGS) {
text *iban = PG_GETARG_TEXT_P(0);
bool result = account_validate_text(iban);
PG_RETURN_BOOL(result);
}
} }
/* Convert type output */
PG_FUNCTION_INFO_V1(ibanout);
Datum
ibanout(PG_FUNCTION_ARGS) {
Iban *iban = (Iban *) PG_GETARG_DATUM(0);
PG_RETURN_CSTRING(TextDatumGetCString(iban));
}
/**************************************************************************
* Binary Input/Output functions
**************************************************************************/
PG_FUNCTION_INFO_V1(ibanrecv);
Datum
ibanrecv(PG_FUNCTION_ARGS) {
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
text *result;
Iban *str;
int nbytes;
str = pq_getmsgtext(buf, buf->len - buf->cursor, &nbytes);
result = cstring_to_text_with_len(str, nbytes);
pfree(str);
PG_RETURN_TEXT_P(result);
}
PG_FUNCTION_INFO_V1(ibansend);
Datum
ibansend(PG_FUNCTION_ARGS) {
text *t = PG_GETARG_TEXT_PP(0);
StringInfoData buf;
pq_begintypsend(&buf);
pq_sendtext(&buf, VARDATA_ANY(t), VARSIZE_ANY_EXHDR(t));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* Manually verify a text */
PG_FUNCTION_INFO_V1(iban_validate);
Datum
iban_validate(PG_FUNCTION_ARGS) {
text *iban = PG_GETARG_TEXT_P(0);
bool result = account_validate_text(iban);
PG_RETURN_BOOL(result);
}
} // extern "C"