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// file : odb/relational/schema.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#include <odb/emitter.hxx>
#include <odb/relational/schema.hxx>
#include <odb/relational/generate.hxx>
using namespace std;
namespace relational
{
namespace schema
{
struct schema_emitter: emitter, context
{
virtual void
pre ()
{
first_ = true;
}
virtual void
line (const std::string& l)
{
if (first_)
first_ = false;
else
os << endl;
os << l;
}
virtual void
post ()
{
if (!first_) // Ignore empty statements.
os << ';' << endl
<< endl;
}
private:
bool first_;
};
static char const file_header[] =
"/* This file was generated by ODB, object-relational mapping (ORM)\n"
" * compiler for C++.\n"
" */\n\n";
void
generate ()
{
context ctx;
ostream& os (ctx.os);
os << file_header;
schema_emitter emitter;
// Drop.
//
{
traversal::unit unit;
traversal::defines unit_defines;
traversal::namespace_ ns;
instance<class_drop> c (emitter);
unit >> unit_defines >> ns;
unit_defines >> c;
traversal::defines ns_defines;
ns >> ns_defines >> ns;
ns_defines >> c;
unit.dispatch (ctx.unit);
}
os << endl;
// Create.
//
{
traversal::unit unit;
traversal::defines unit_defines;
traversal::namespace_ ns;
instance<class_create> c (emitter);
unit >> unit_defines >> ns;
unit_defines >> c;
traversal::defines ns_defines;
ns >> ns_defines >> ns;
ns_defines >> c;
unit.dispatch (ctx.unit);
}
}
}
}
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