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#include "misc.hh"
#include "debug.hh"
#include "real.hh"
#include "symbol.hh"
#include "assoc.hh"
#include "symtable.hh"
#include "const.hh"
static Symbol unknown;
// scary! What if Symtable resizes on the fly...?
const Symbol *
Symtable::lookup(String s) const
{
if (elt_query(s))
return &(*this)[s];
else {
WARN<<"Unknown symbol " << s <<'\n';
return &unknown;
}
}
Symtable*
Symtables::operator()(String s)
{
if (!done_reading){ // read on demand
*mlog << '(' << fname ;
read();
done_reading = true;
*mlog << ")\n";
}
return Assoc<String, Symtable*>::operator[](s);
}
void
Symtables::read()
{
Text_db symini(fname);
while (!symini.eof()) {
Text_record r( symini++);
assert (r[0] == "table");
String tabnam = r[1];
Symtable * sp = new Symtable;
while (!symini.eof()){
r = symini++;
if (r[0] == "end")
break;
assert(r.sz() == 6);
int i=0;
String id=r[i++];
String tex=r[i++];
svec<Real> dims;
for (int j=0; j < 4; j++)
dims.add( r[i++].fvalue() *1.0/CM_TO_PT);
Symbol s(tex, Box(dims));
(*sp)[id] = s;
}
(*this)[tabnam] = sp;
}
}
Symtables the_sym_tables("symbol.ini");
const Symbol*
Symbol::find_ball(int j)
{
if (j > 4) j = 4;
Symtable * st = the_sym_tables("balls");
return st->lookup(String(j));
}
const Symbol*
Symbol::find_rest(int j)
{
return the_sym_tables("rests")->lookup(String(j));
}
const Symbol*
Symbol::find_bar(String s)
{
return the_sym_tables("bars")->lookup(s);
}
/****************************************************************/
// bare bones.
struct Linestaf_symbol : Stretchable_symbol {
int lines;
String operator ()(Real w);
Linestaf_symbol(int n) { lines = n;}
Interval height(Real) const { return Interval(0,lines*1/CM_TO_PT); }
};
// should be done in TeX
String
Linestaf_symbol::operator()(Real w)
{
String s;
s += "\\hbox to 0pt{";
s+= "\\vbox to 0pt{";
for (int i=0; i<lines; i++) {
if (i) s+= "\\vskip1pt";
s+= "\\hrule width " + String(w* HOR_TO_PT) +"pt";
}
s+="\\vss}\\hss}";
return s;
}
const Stretchable_symbol *
Stretchable_symbol::get_linestaff(int n)
{
return new Linestaf_symbol(n);
}
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