source/textwriter.cpp

   1 /* $Id$
   2
   3 This file is part of libmspdatafile
   4 Copyright © 2006  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <msp/strings/utils.h>
   9 #include "statement.h"
  10 #include "textwriter.h"
  11
  12 using namespace std;
  13
  14 namespace Msp {
  15 namespace DataFile {
  16
  17 TextWriter::TextWriter(ostream &o):
  18         WriterMode(o)
  19 { }
  20
  21 void TextWriter::write(const Statement &st)
  22 {
  23         write_(st, 0);
  24 }
  25
  26 void TextWriter::write_(const Statement &st, unsigned level)
  27 {
  28         string indent(level, '\t');
  29
  30         out<<indent<<st.keyword;
  31         for(ValueArray::const_iterator i=st.args.begin(); i!=st.args.end(); ++i)
  32         {
  33                 out<<' ';
  34                 if(i->get_type()==STRING)
  35                         out<<'\"'<<c_escape(i->get_raw(), false)<<'\"';
  36                 else if(i->get_type()==BOOLEAN)
  37                         out<<(i->get<bool>() ? "true" : "false");
  38                 else
  39                         out<<i->get_raw();
  40         }
  41         if(!st.sub.empty())
  42         {
  43                 out<<'\n'<<indent<<"{\n";
  44                 for(list<Statement>::const_iterator i=st.sub.begin(); i!=st.sub.end(); ++i)
  45                         write_(*i, level+1);
  46                 out<<indent<<'}';
  47         }
  48         out<<";\n";
  49 }
  50
  51 } // namespace DataFile
  52 } // namespace Msp