pgadmin3/pgscript/utilities/pgsDriver.cpp
2020-07-07 22:19:12 +05:00

81 lines
2 KiB
C++

//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2016, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
#include "pgscript/utilities/pgsDriver.h"
#include "pgscript/utilities/pgsThread.h"
#include "pgscript/utilities/pgsUtilities.h"
#include <wx/ffile.h>
#include <wx/filename.h>
namespace pgscript
{
pgsDriver::pgsDriver(class pgsContext &_context, class pgsProgram &_program,
class pgsThread &_thread) :
trace_scanning(false), trace_parsing(false), context(_context),
program(_program), thread(_thread)
{
wxLogScript(wxT("Driver created"));
}
pgsDriver::~pgsDriver()
{
wxLogScript(wxT("Driver destroyed"));
}
bool pgsDriver::parse_stream(std::istream &in)
{
pgsScanner scanner(wxConvUTF8, &in);
scanner.set_debug(trace_scanning);
this->lexer = &scanner;
pgsParser parser(*this);
parser.set_debug_level(trace_parsing);
return (parser.parse() == 0);
}
bool pgsDriver::parse_file(const wxString &filename, wxMBConv &conv)
{
wxFileName file_path(filename);
if (file_path.FileExists() && file_path.IsFileReadable())
{
wxFFile file(filename);
wxString input;
file.ReadAll(&input, conv);
return parse_string(input);
}
else
{
wxLogError(wxT("PGSCRIPT: File %s does not exist"), filename.c_str());
return false;
}
}
bool pgsDriver::parse_string(const wxString &input)
{
std::istringstream iss(std::string(input.mb_str(wxConvUTF8)));
return parse_stream(iss);
}
void pgsDriver::error(const class location &l, const wxString &m)
{
std::ostringstream oss;
oss << l;
thread.last_error_line(l.begin.line);
thread.LockOutput();
context.m_cout << PGSOUTERROR
<< wx_static_cast(const wxString, wxString(oss.str()
.c_str(), wxConvUTF8)) << wxT(": ") << m << wxT("\n");
thread.UnlockOutput();
}
} // namespace pgscript