lyx_mirror/src/Spacing.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2000 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "Lsstream.h"
#include "Spacing.h"
#include "LString.h"
using std::ios;
using std::ostream;
/// how can I put this inside of Spacing (class)
namespace {
char const * const spacing_string[] = {"single", "onehalf", "double", "other"};
} // namespace anon
float Spacing::getValue() const
{
switch (space) {
case Default: // nothing special should happen with this...
case Single: return 1.0;
case Onehalf: return 1.25;
case Double: return 1.667;
case Other: return value;
}
return 1.0;
}
void Spacing::set(Spacing::Space sp, float val)
{
space = sp;
if (sp == Other) {
switch (int(val * 1000 + 0.5)) {
case 1000: space = Single; break;
case 1250: space = Onehalf; break;
case 1667: space = Double; break;
default: value = val; break;
}
}
}
void Spacing::set(Spacing::Space sp, string const & val)
{
float fval;
istringstream istr(val.c_str());
istr >> fval;
set(sp, fval);
}
void Spacing::writeFile(ostream & os, bool para) const
{
if (space == Default) return;
string cmd = para ? "\\paragraph_spacing " : "\\spacing ";
if (getSpace() == Spacing::Other) {
os.setf(ios::showpoint|ios::fixed);
os.precision(2);
os << cmd << spacing_string[getSpace()]
<< " " << getValue() << " \n";
} else {
os << cmd << spacing_string[getSpace()] << " \n";
}
}
string const Spacing::writeEnvirBegin() const
{
switch (space) {
case Default: break; // do nothing
case Single:
return "\\begin{singlespace}";
case Onehalf:
return "\\begin{onehalfspace}";
case Double:
return "\\begin{doublespace}";
case Other:
{
ostringstream ost;
ost << "\\begin{spacing}{"
<< getValue() << "}";
return ost.str().c_str();
}
}
return string();
}
string const Spacing::writeEnvirEnd() const
{
switch (space) {
case Default: break; // do nothing
case Single:
return "\\end{singlespace}";
case Onehalf:
return "\\end{onehalfspace}";
case Double:
return "\\end{doublespace}";
case Other:
return "\\end{spacing}";
}
return string();
}