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/*************************************************************************
*
* HTCd - Copyright (C) 1998-2006 Henrik Rydberg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <ops/operator.h>
#include <ops/nnstyle.h>
#include <mt/mset.h>
OP2_IMPL(intersect) { mset a(L),b(R),c; c.Intersection(a,b); out<<c; }
OP2_IMPL(union) { mset a(L),b(R),c; c.Union(a,b); out<<c; }
OP2_IMPL(difference) { mset a(L),b(R),c; c.Difference(a,b); out<<c; }
OP2_IMPL(concats) {
if(L.nempty()&&R.nempty()) out<<L<<" "<<R;
else if(L.nempty()) out<<L;
else out<<R;
}
OP1_IMPL(lcase) {mstring s=a;s.tolower();out<<s;}
OP1_IMPL(ucase) {mstring s=a;s.toupper();out<<s;}
OP1_IMPL(nncase) {out<<nncase(a);}
OP1_IMPL(skipws) {out<<a.right_first_not_of(cset_ws);}
OP2_IMPL(eqnn) {out<<(nncomp(L,R)==0);}
OP2_IMPL(nenn) {out<<(nncomp(L,R)!=0);}
OP1_IMPL(first) {out<<First(a);}
OP1_IMPL(last) {out<<Last(a);}
OP1_IMPL(rest) {out<<Rest(a);}
OP1_IMPL(count) {
sref first,rest=a; int n=0;
while(Split(first,rest)) n++;
out<<n;
}
OP2_IMPL(nth) {
sref first,rest=L; int n=atoi(R);
while(n-->0&&Split(first,rest));
out<<first;
}
OP2_IMPL(which) {
sref first,rest=L; int n=0;
while(Split(first,rest)) { n++; if(first==R) { out<<n; return; } }
out<<0;
}
OP2_IMPL(cnt) {out<<(L.find(R)>=0);}
OP2_IMPL(cntn) {out<<(L.find(R,cset_lcase)>=0);}
OP2_IMPL(concat) {out<<L<<R;}
OP2_IMPL(leftand) {out<<L.leftand_first(R);}
OP2_IMPL(left) {out<<L.left_first(R);}
OP2_IMPL(right) {out<<L.right_first(R);}
OP2_IMPL(past) {out<<L.past_first(R);}
OP2_IMPL(rleftand) {out<<L.leftand_last(R);}
OP2_IMPL(rleft) {out<<L.left_last(R);}
OP2_IMPL(rright) {out<<L.right_last(R);}
OP2_IMPL(rpast) {out<<L.past_last(R);}
void opAddString(opmap& M)
{
OP_ADD(32,lcase,
"Lower case\n"
"Syntax: lcase (string)\n"
"Returns: (string)\n"
);
OP_ADD(32,ucase,
"Upper case\n"
"Syntax: ucase (string)\n"
"Returns: (string)\n"
);
OP_ADD(32,nncase,
"NN-style case\n"
"Syntax: nncase (string)\n"
"Returns: (string)\n"
"\n"
"NN-style converts names to <lastname> <initials>\n"
);
OP_ADD(32,skipws,
"Skip whitespace\n"
"Syntax: skipws (string)\n"
"Returns: (string)\n"
"\n"
"Skips trailing whitespace\n"
);
OP_ADD(32,first,
"First element in list\n"
"Syntax: first (list)\n"
"Returns: (string)\n"
"\n"
"Elements are separated by whitespace\n"
);
OP_ADD(32,last,
"Last element in list\n"
"Syntax: last (list)\n"
"Returns: (string)\n"
"\n"
"Elements are separated by whitespace\n"
);
OP_ADD(32,rest,
"Rest of elements in list\n"
"Syntax: rest (list)\n"
"Returns: (list)\n"
"\n"
"Elements are separated by whitespace\n"
);
OP_ADD(32,count,
"Count elements in list\n"
"Syntax: count (list)\n"
"Returns: (int)\n"
"\n"
"Elements are separated by whitespace\n"
);
OP_ADD(30,nth,
"Nth element in list\n"
"Syntax: (list) nth (int)\n"
"Returns: (string)\n"
"\n"
"First element is denoted 1\n"
"Elements out of range returns empty\n"
"Elements are separated by whitespace\n"
);
OP_ADD(30,which,
"Which element in list\n"
"Syntax: (list) a which (string) b\n"
"Returns: (int)\n"
"\n"
"Which element in a is b (0 if not found)\n"
"First element is denoted 1\n"
"Elements are separated by whitespace\n"
);
OP_ADD(28,left,
"Left of substring\n"
"Syntax: (string) a left (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the left of first b, of a if b not found in a\n"
);
OP_ADD(28,leftand,
"Left of substring inclusive\n"
"Syntax: (string) a leftand (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the left of first b inclusive, of a if b not found in a\n"
);
OP_ADD(28,right,
"Right of substring inclusive\n"
"Syntax: (string) a right (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the right of first b inclusive, of empty if b not found in a\n"
);
OP_ADD(28,past,
"Right of substring\n"
"Syntax: (string) a past (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the right of first b, of empty if b not found in a\n"
);
OP_ADD(28,rleft,
"Left of substring (reversed)\n"
"Syntax: (string) a rleft (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the left of last b, of a if b not found in a\n"
);
OP_ADD(28,rleftand,
"Left of substring inclusive, (reversed)\n"
"Syntax: (string) a rleftand (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the left of last b inclusive, of a if b not found in a\n"
);
OP_ADD(28,rright,
"Right of substring inclusive (reversed)\n"
"Syntax: (string) a rright (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the right of last b inclusive, of empty if b not found in a\n"
);
OP_ADD(28,rpast,
"Right of substring (reversed)\n"
"Syntax: (string) a rpast (string) b\n"
"Returns: (string)\n"
"\n"
"Everything in a to the right of last b, of empty if b not found in a\n"
);
OP_ADDN(24,concat,++,
"String concatenation\n"
"Syntax: (string) ++ (string)\n"
"Returns: (string)\n"
);
OP_ADDN(24,concats,+++,
"List concatenation\n"
"Syntax: (list) +++ (list)\n"
"Returns: (list)\n"
"\n"
"Lists are concatenated with space\n"
);
OP_ADD(18,cnt,
"Contains substring\n"
"Syntax: (string) a cnt (string) b\n"
"Returns: (int)\n"
"\n"
"Nonzero if b found in a\n"
);
OP_ADD(18,cntn,
"Contains substring, case insensitive\n"
"Syntax: (string) a cnt (string) b\n"
"Returns: (int)\n"
"\n"
"Nonzero if b found in a\n"
);
OP_ADD(18,eqnn,
"NN-style equal\n"
"Syntax: (string) eqnn (string)\n"
"Returns: (int)\n"
"\n"
"NN-style converts names to <lastname> <initials>\n"
);
OP_ADD(18,nenn,
"NN-style not equal\n"
"Syntax: (string) eqnn (string)\n"
"Returns: (int)\n"
"\n"
"NN-style converts names to <lastname> <initials>\n"
);
OP_ADDN(10,intersect,&&&,
"List intersection\n"
"Syntax: (list) a &&& (list) b\n"
"Returns: (list)\n"
"\n"
"Finds the set intersection of a and b\n"
);
OP_ADDN(9,difference,---,
"List difference\n"
"Syntax: (list) a &&& (list) b\n"
"Returns: (list)\n"
"\n"
"Finds the set difference of a and b\n"
);
OP_ADDN(9,union,|||,
"List union\n"
"Syntax: (list) a &&& (list) b\n"
"Returns: (list)\n"
"\n"
"Finds the set union of a and b\n"
);
}
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