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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 <sh/htc.h>
#include <hdb/buffer.h>
#include <mt/lock.h>
const mstring RCPATH=htchome()+sref("/htc/htc.rc");
const mstring left="{",right="}";
static fp_stream mout(stdout),merr(stderr);
static int unbalanced(const sref& in)
{
static const charset tag("{[(");
if(in.empty()) return 1;
sref s=in.right_first_of(tag);
while(s.nempty()) {
int p=-1;
switch(*s) {
case '{': p=s.skip(cset_braces); break;
case '[': p=s.skip(cset_indices); break;
case '(': p=s.skip(cset_para); break;
}
if(p<0) return 1;
s=s.adv(p).right_first_of(tag);
}
return 0;
}
main(int argc,char* argv[]) try
{
NODELOCK(USERMAP);
HTC htc(ms_empty);
htc_user user(htc.toks);
htc_req req(htc,user.toks); req.uri=Cwd();
Env env(htc.ops,req,XSYSTEM);
if(argc>1) {
for(int i=2;i<argc;i++) env.xpush(left+sref(argv[i])+right);
mstring buffer; LoadBuffer(buffer,argv[1]);
if(*buffer=='#') buffer.erase(0,buffer.find('\n')+1);
env.eval(mout,buffer,1);
}
else {
mstring buffer,line;
if(buffer.load(RCPATH.c_str())>=0) {
Env e(env,user.toks,RCPATH);
mstream m;
e.parse(m,buffer);
}
while(!feof(stdin)) {
merr<<"htc>";
buffer.clear();
while(!feof(stdin)&&unbalanced(buffer)) {
getline(line,stdin);
buffer.append(line);
buffer+='\n';
}
try {
env.parse(mout,buffer);
mout<<"\n";
}
catch(const merror_t& e) {
merr<<e.desc<<"\n";
}
}
}
return 0;
}
catch(const merror_t& e) {
merr<<"ERROR: ["<<e.desc<<"]\n";
return -1;
}
catch(...) {
merr<<"ERROR: [FATAL]\n";
return -1;
}
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