int _tmain(int argc,TCHAR *argv[])
{
TCHAR fname[512],line[4096],*p1;
TCHAR msg[BREGEXP_MAX_ERROR_MESSAGE_LEN];
FILE *fp;
int len,ctr;
BREGEXP *rxp = 0;
TCHAR dmy[] = _T(" ");
setlocale(LC_ALL, "");
if (argc < 2) {
_putts (_T("usage /regstr/ [file]\n if omitted assume /usr/dict/words"));
return 0;
}
_tcscpy(fname,_T("/usr/dict/words"));
if (argc > 2)
_tcscpy(fname,argv[2]);
p1 = argv[1];
fp = _tfopen(fname,_T("r"));
if (!fp) {
_tprintf (_T("file cant open %s\n"),fname);
return 0;
}
BMatch(p1,dmy,dmy+1,&rxp,msg); // compile using dummy
if (msg[0]) {
_tprintf (_T("parse error %s\n"),msg);
return 0;
}
ctr = 0;
while(_fgetts(line,sizeof(line),fp)) {
len = _tcslen(line);
if (len && (BMatch(p1,line,line+len,&rxp,msg) > 0)) {
ctr++;
line[len-1] = 0;
_putts(line);
}
}
fclose(fp);
_tprintf(_T("%ld lines(s) greped\n"),ctr);
return 0;
}
int BRegExp::match(
const string& iTarget, // 対象文字列
const string& iRE, // 正規表現。/abc/ とか
// vector<string>* oResult) // [0]は一致した全体、[1]以降は各カッコ。
vector< pair<string, int> >* oResult) // [0]は一致した全体、[1]以降は各カッコ。secondはiTarget中の開始位置
{
int nCount = 0;
char msg[80];
if ( !iRE.empty() && iRE[0] == 's' ) {
// replace
ready(iTarget, iRE, "replace");
if (pLastRegExp == NULL)
return 0;
nCount = BSubst(
strLastRegExp.c_str(),
strLastString.c_str() + nLastPos,
strLastString.c_str() + strLastString.length(),
&pLastRegExp,
msg);
if (nCount)
nLastPos = pLastRegExp->endp[0] - strLastString.c_str();
bLastSplit = false;
bLastReplace = true;
}
else {
// match
ready(iTarget, iRE, "match");
if (pLastRegExp == NULL)
return 0;
if (bCountMatch) {
while (bool bMatch = BMatch(strLastRegExp.c_str(), strLastString.c_str() + nLastPos, strLastString.c_str() + strLastString.length(), &pLastRegExp, msg) == 1) {
nLastPos = pLastRegExp->endp[0] - strLastString.c_str();
++nCount;
}
} else {
bool bMatch = BMatch(strLastRegExp.c_str(), strLastString.c_str() + nLastPos, strLastString.c_str() + strLastString.length(), &pLastRegExp, msg) == 1;
if (bMatch) {
nLastPos = pLastRegExp->endp[0] - strLastString.c_str();
nCount = 1;
if ( oResult != NULL )
{
/*
vector<string>& v = *oResult;
for (int i=0;i <= pLastRegExp->nparens;i++)
v.push_back( string(pLastRegExp->startp[i], pLastRegExp->endp[i]) );
*/
vector< pair<string, int> >& v = *oResult;
for (int i=0;i <= pLastRegExp->nparens;i++)
v.push_back( pair<string, int>(
string(pLastRegExp->startp[i], pLastRegExp->endp[i]),
pLastRegExp->startp[i] - pLastRegExp->startp[0]
));
}
}
}
bLastSplit = false;
bLastReplace = false;
}
return nCount;
}
