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import ".";
string *from=({"&#a0;","&","<",">"});
string *to=({"","&","<",">"});
string unquote(string x) { return replace(x,from,to); }
string quote(string x) { return replace(x,to,from); }
string *from_data=({"&#a0;","&","<",">","'","""});
string *to_data=({"","&","<",">","'","\""});
string unquote_data(string x) { return replace(x,from_data,to_data); }
string quote_data(string x) { return replace(x,to_data,from_data); }
#define TAG object(Sgml.Tag)|string
#define SGML array(TAG)
string mktag(string tag, mapping params, int end)
{
string ret="<"+tag;
foreach(indices(params),string i)
if(params[i])
ret+=" "+i+"='"+quote_data(stringp(params[i])?params[i]:i)+"'";
return ret + (end?"/>":">");
}
string generate(SGML data, void|function mkt)
{
string ret="";
if(!mkt)
{
mkt=mktag;
}
foreach(data, TAG foo)
{
if(stringp(foo))
{
ret+=quote(foo);
}
else if (objectp(foo))
{
ret+=mkt(foo->tag,foo->params,!foo->data);
if(foo->data)
{
#if 0
if(foo->tag=="script")
{
// Magic for javascript!
ret+="\n<!--\n"+
foo->data*""+
"// -->\n";
}else
#endif
ret+=generate(foo->data,mkt);
ret+=mkt("/"+foo->tag,([]),0);
}
}
else error("got an illegal tag or string : %O\n"
"in: %O\n",foo,data);
}
return ret;
}
#ifdef TEST
int main()
{
write(sprintf("%O\n",group(lex(Stdio.read_file("tutorial.wmml")))));
}
#endif
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