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/*
** This routine takes a user-entered UUID which might be in mixed
** case and might only be a prefix of the full UUID and converts it
** into the full-length UUID in canonical form.
**
** If the input is not a UUID or a UUID prefix, then try to resolve
** the name as a tag. If multiple tags match, pick the latest.
** If the input name matches "tag:*" then always resolve as a tag.
**
** If the input is not a tag, then try to match it as an ISO-8601 date
** string YYYY-MM-DD HH:MM:SS and pick the nearest check-in to that date.
** If the input is of the form "date:*" or "localtime:*" or "utc:*" then
** always resolve the name as a date.
**
** Return the number of errors.
*/
int name_to_uuid(Blob *pName, int iErrPriority){
int rc;
int sz;
sz = blob_size(pName);
if( sz>UUID_SIZE || sz<4 || !validate16(blob_buffer(pName), sz) ){
char *zUuid;
const char *zName = blob_str(pName);
if( memcmp(zName, "tag:", 4)==0 ){
zName += 4;
zUuid = tag_to_uuid(zName);
}
zUuid = tag_to_uuid(zName);
}else{
zUuid = tag_to_uuid(zName);
if( zUuid==0 ){
zUuid = date_to_uuid(zName);
}
}
if( zUuid ){
blob_reset(pName);
blob_append(pName, zUuid, -1);
free(zUuid);
return 0;
}
fossil_error(iErrPriority, "not a valid object name: %s", zName);
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" AND event.objid=tagxref.rid "
" AND blob.rid=event.objid "
" ORDER BY event.mtime DESC ",
zTag
);
return zUuid;
}
/*
** Convert a date/time string into a UUID.
**
** Input forms accepted:
**
** date:DATE
** local:DATE
** utc:DATE
**
** The DATE is interpreted as localtime unless the "utc:" prefix is used
** or a "utc" string appears at the end of the DATE string.
*/
char *date_to_uuid(const char *zDate){
int useUtc = 0;
int n;
char *zCopy = 0;
char *zUuid;
if( memcmp(zDate, "date:", 5)==0 ){
zDate += 5;
}else if( memcmp(zDate, "local:", 6)==0 ){
zDate += 6;
}else if( memcmp(zDate, "utc:", 4)==0 ){
zDate += 4;
useUtc = 1;
}
n = strlen(zDate);
if( n<10 || zDate[4]!='-' || zDate[7]!='-' ) return 0;
if( n>4 && sqlite3_strnicmp(&zDate[n-3], "utc", 3)==0 ){
zCopy = mprintf("%s", zDate);
zCopy[n-3] = 0;
zDate = zCopy;
n -= 3;
useUtc = 1;
}
free(zCopy);
zUuid = db_text(0,
"SELECT (SELECT uuid FROM blob WHERE rid=event.objid)"
" FROM event"
" WHERE mtime<=julianday(%Q %s) AND type='ci'"
" ORDER BY mtime DESC LIMIT 1",
zDate, useUtc ? "" : ",'utc'"
);
free(zCopy);
return zUuid;
}
/*
** COMMAND: test-name-to-id
**
** Convert a name to a full artifact ID.
*/
void test_name_to_id(void){
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