1 files changed, 106 insertions, 0 deletions
diff --git a/pcol.cc b/pcol.cc
new file mode 100644
index 0000000000..44c82a938d
--- /dev/null
+++ b/pcol.cc
@@ -0,0 +1,106 @@
+#include "pcol.hh"
+#include "pstaff.hh"
+#include "debug.hh"
+
+void
+Idealspacing::print() const
+{
+    #ifndef NPRINT
+    mtor << "idealspacing {" ;
+    mtor << "distance "<<space<< " strength " << hooke << "}\n";
+    #endif
+}
+
+Idealspacing::Idealspacing(const PCol * l,const PCol * r)
+{
+    space = 0.0;
+    hooke = 0.0;
+    left = l;
+    right = r;
+}
+void
+Idealspacing::OK() const
+{
+#ifndef NDEBUG
+    assert(hooke >= 0 && left  && right);
+#endif    
+}
+
+/****************************************************************/
+
+Interval
+PCol::width() const
+{
+    Interval w;
+
+    for (PCursor<const Item *> ic(its); ic.ok(); ic++)
+	w.unite(ic->width());
+    if (w.empty())
+	w.unite(Interval(0,0));
+    return w;
+}
+
+void
+PCol::print() const
+{
+    #ifndef NPRINT
+    mtor << "PCol {";
+    mtor << "# symbols: " << its.size() ;
+    mtor << "breakable: " << breakable<<"\n";
+    mtor << "extent: " << width().min << ", " << width().max << "\n";
+    mtor << "}\n";
+    #endif 
+}
+
+int
+PCol::compare(const PCol &, const PCol &)
+{
+    assert(false);
+    return 0 ;
+}
+
+void
+PCol::OK () const
+{
+    if (prebreak || postbreak ) {
+	assert(breakable);
+    }
+    
+}
+
+void
+PCol::set_breakable()
+{
+    if (breakable)
+	return;
+
+    prebreak = new PCol(this);
+    postbreak = new PCol(this);
+    breakable = true;
+    used = true;
+}
+
+PCol::PCol(PCol *parent) {
+    daddy = parent;
+    prebreak=0;
+    postbreak=0;
+    breakable=false;
+    line=0;
+    used  = false;
+}
+
+PCol::~PCol()
+{
+    if (prebreak)
+	delete prebreak;	// no recursion!
+    if (postbreak)
+	delete postbreak;	
+}
+
+void
+PCol::add(const Item *i)
+{
+    its.bottom().add(i);
+    used = true;
+}
+