actual/packages/node-libofx/libofx/lib/ofx_sgml.cpp

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/***************************************************************************
ofx_sgml.cpp
-------------------
copyright : (C) 2002 by Benoit Grégoire
email : benoitg@coeus.ca
***************************************************************************/
/**@file
\brief OFX/SGML parsing functionnality.
*
Almost all of the SGML parser specific code is contained in this file (some is in messages.cpp and ofx_utilities.cpp). To understand this file you must read the documentation of OpenSP's generic interface: see http://openjade.sourceforge.net/
*/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <iostream>
#include <stdlib.h>
#include <string>
#include <cassert>
#include "ParserEventGeneratorKit.h"
#include "libofx.h"
#include "ofx_utilities.hh"
#include "messages.hh"
#include "ofx_containers.hh"
#include "ofx_sgml.hh"
using namespace std;
OfxMainContainer * MainContainer = NULL;
extern SGMLApplication::OpenEntityPtr entity_ptr;
extern SGMLApplication::Position position;
/** \brief This object is driven by OpenSP as it parses the SGML from the ofx file(s)
*/
class OFXApplication : public SGMLApplication
{
private:
OfxGenericContainer *curr_container_element; /**< The currently open object from ofx_proc_rs.cpp */
OfxGenericContainer *tmp_container_element;
bool is_data_element; /**< If the SGML element contains data, this flag is raised */
string incoming_data; /**< The raw data from the SGML data element */
LibofxContext * libofx_context;
public:
OFXApplication (LibofxContext * p_libofx_context)
{
MainContainer = NULL;
curr_container_element = NULL;
is_data_element = false;
libofx_context = p_libofx_context;
}
~OFXApplication()
{
message_out(DEBUG, "Entering the OFXApplication's destructor");
}
/** \brief Callback: Start of an OFX element
*
An OpenSP callback, get's called when the opening tag of an OFX element appears in the file
*/
void startElement (const StartElementEvent & event)
{
string identifier;
CharStringtostring (event.gi, identifier);
message_out(PARSER, "startElement event received from OpenSP for element " + identifier);
position = event.pos;
switch (event.contentType)
{
case StartElementEvent::empty:
message_out(ERROR, "StartElementEvent::empty\n");
break;
case StartElementEvent::cdata:
message_out(ERROR, "StartElementEvent::cdata\n");
break;
case StartElementEvent::rcdata:
message_out(ERROR, "StartElementEvent::rcdata\n");
break;
case StartElementEvent::mixed:
message_out(PARSER, "StartElementEvent::mixed");
is_data_element = true;
break;
case StartElementEvent::element:
message_out(PARSER, "StartElementEvent::element");
is_data_element = false;
break;
default:
message_out(ERROR, "Unknown SGML content type?!?!?!? OpenSP interface changed?");
}
if (is_data_element == false)
{
/*------- The following are OFX entities ---------------*/
if (identifier == "OFX")
{
message_out (PARSER, "Element " + identifier + " found");
MainContainer = new OfxMainContainer (libofx_context, curr_container_element, identifier);
curr_container_element = MainContainer;
}
else if (identifier == "STATUS")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxStatusContainer (libofx_context, curr_container_element, identifier);
}
else if (identifier == "STMTRS" ||
identifier == "CCSTMTRS" ||
identifier == "INVSTMTRS")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxStatementContainer (libofx_context, curr_container_element, identifier);
}
else if (identifier == "BANKTRANLIST")
{
message_out (PARSER, "Element " + identifier + " found");
//BANKTRANLIST ignored, we will process it's attributes directly inside the STATEMENT,
if (curr_container_element->type != "STATEMENT")
{
message_out(ERROR, "Element " + identifier + " found while not inside a STATEMENT container");
}
else
{
curr_container_element = new OfxPushUpContainer (libofx_context, curr_container_element, identifier);
}
}
else if (identifier == "STMTTRN")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxBankTransactionContainer (libofx_context, curr_container_element, identifier);
}
else if (identifier == "BUYDEBT" ||
identifier == "BUYMF" ||
identifier == "BUYOPT" ||
identifier == "BUYOTHER" ||
identifier == "BUYSTOCK" ||
identifier == "CLOSUREOPT" ||
identifier == "INCOME" ||
identifier == "INVEXPENSE" ||
identifier == "JRNLFUND" ||
identifier == "JRNLSEC" ||
identifier == "MARGININTEREST" ||
identifier == "REINVEST" ||
identifier == "RETOFCAP" ||
identifier == "SELLDEBT" ||
identifier == "SELLMF" ||
identifier == "SELLOPT" ||
identifier == "SELLOTHER" ||
identifier == "SELLSTOCK" ||
identifier == "SPLIT" ||
identifier == "TRANSFER" )
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxInvestmentTransactionContainer (libofx_context, curr_container_element, identifier);
}
/*The following is a list of OFX elements whose attributes will be processed by the parent container*/
else if (identifier == "INVBUY" ||
identifier == "INVSELL" ||
identifier == "INVTRAN" ||
identifier == "SECID")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxPushUpContainer (libofx_context, curr_container_element, identifier);
}
/* The different types of accounts */
else if (identifier == "BANKACCTFROM" || identifier == "CCACCTFROM" || identifier == "INVACCTFROM")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxAccountContainer (libofx_context, curr_container_element, identifier);
}
else if (identifier == "SECINFO")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxSecurityContainer (libofx_context, curr_container_element, identifier);
}
/* The different types of balances */
else if (identifier == "LEDGERBAL" || identifier == "AVAILBAL")
{
message_out (PARSER, "Element " + identifier + " found");
curr_container_element = new OfxBalanceContainer (libofx_context, curr_container_element, identifier);
}
else
{
/* We dont know this OFX element, so we create a dummy container */
curr_container_element = new OfxDummyContainer(libofx_context, curr_container_element, identifier);
}
}
else
{
/* The element was a data element. OpenSP will call one or several data() callback with the data */
message_out (PARSER, "Data element " + identifier + " found");
/* There is a bug in OpenSP 1.3.4, which won't send endElement Event for some elements, and will instead send an error like "document type does not allow element "MESSAGE" here". Incoming_data should be empty in such a case, but it will not be if the endElement event was skiped. So we empty it, so at least the last element has a chance of having valid data */
if (incoming_data != "")
{
message_out (ERROR, "startElement: incoming_data should be empty! You are probably using OpenSP <= 1.3.4. The following data was lost: " + incoming_data );
incoming_data.assign ("");
}
}
}
/** \brief Callback: End of an OFX element
*
An OpenSP callback, get's called at the end of an OFX element (the closing tags are not always present in OFX) in the file.
*/
void endElement (const EndElementEvent & event)
{
string identifier;
bool end_element_for_data_element;
CharStringtostring (event.gi, identifier);
end_element_for_data_element = is_data_element;
message_out(PARSER, "endElement event received from OpenSP for element " + identifier);
position = event.pos;
if (curr_container_element == NULL)
{
message_out (ERROR, "Tried to close a " + identifier + " without a open element (NULL pointer)");
incoming_data.assign ("");
}
else //curr_container_element != NULL
{
if (end_element_for_data_element == true)
{
incoming_data = strip_whitespace(incoming_data);
curr_container_element->add_attribute (identifier, incoming_data);
message_out (PARSER, "endElement: Added data '" + incoming_data + "' from " + identifier + " to " + curr_container_element->type + " container_element");
incoming_data.assign ("");
is_data_element = false;
}
else
{
if (identifier == curr_container_element->tag_identifier)
{
if (incoming_data != "")
{
message_out(ERROR, "End tag for non data element " + identifier + ", incoming data should be empty but contains: " + incoming_data + " DATA HAS BEEN LOST SOMEWHERE!");
}
if (identifier == "OFX")
{
/* The main container is a special case */
tmp_container_element = curr_container_element;
curr_container_element = curr_container_element->getparent ();
if (curr_container_element == NULL)
{
//Defensive coding, this isn't supposed to happen
curr_container_element = tmp_container_element;
}
if (MainContainer != NULL)
{
MainContainer->gen_event();
delete MainContainer;
MainContainer = NULL;
curr_container_element = NULL;
message_out (DEBUG, "Element " + identifier + " closed, MainContainer destroyed");
}
else
{
message_out (DEBUG, "Element " + identifier + " closed, but there was no MainContainer to destroy (probably a malformed file)!");
}
}
else
{
tmp_container_element = curr_container_element;
curr_container_element = curr_container_element->getparent ();
if (MainContainer != NULL)
{
tmp_container_element->add_to_main_tree();
message_out (PARSER, "Element " + identifier + " closed, object added to MainContainer");
}
else
{
message_out (ERROR, "MainContainer is NULL trying to add element " + identifier);
}
}
}
else
{
message_out (ERROR, "Tried to close a " + identifier + " but a " + curr_container_element->type + " is currently open.");
}
}
}
}
/** \brief Callback: Data from an OFX element
*
An OpenSP callback, get's called when the raw data of an OFX element appears in the file. Is usually called more than once for a single element, so we must concatenate the data.
*/
void data (const DataEvent & event)
{
string tmp;
position = event.pos;
AppendCharStringtostring (event.data, incoming_data);
message_out(PARSER, "data event received from OpenSP, incoming_data is now: " + incoming_data);
}
/** \brief Callback: SGML parse error
*
An OpenSP callback, get's called when a parser error has occurred.
*/
void error (const ErrorEvent & event)
{
string message;
string string_buf;
OfxMsgType error_type = ERROR;
position = event.pos;
message = message + "OpenSP parser: ";
switch (event.type)
{
case SGMLApplication::ErrorEvent::quantity:
message = message + "quantity (Exceeding a quantity limit):";
error_type = ERROR;
break;
case SGMLApplication::ErrorEvent::idref:
message = message + "idref (An IDREF to a non-existent ID):";
error_type = ERROR;
break;
case SGMLApplication::ErrorEvent::capacity:
message = message + "capacity (Exceeding a capacity limit):";
error_type = ERROR;
break;
case SGMLApplication::ErrorEvent::otherError:
message = message + "otherError (misc parse error):";
error_type = ERROR;
break;
case SGMLApplication::ErrorEvent::warning:
message = message + "warning (Not actually an error.):";
error_type = WARNING;
break;
case SGMLApplication::ErrorEvent::info:
message = message + "info (An informationnal message. Not actually an error):";
error_type = INFO;
break;
default:
message = message + "OpenSP sent an unknown error to LibOFX (You probably have a newer version of OpenSP):";
}
message = message + "\n" + CharStringtostring (event.message, string_buf);
message_out (error_type, message);
}
/** \brief Callback: Receive internal OpenSP state
*
An Internal OpenSP callback, used to be able to generate line number.
*/
void openEntityChange (const OpenEntityPtr & para_entity_ptr)
{
message_out(DEBUG, "openEntityChange()\n");
entity_ptr = para_entity_ptr;
};
private:
};
/**
ofx_proc_sgml will take a list of files in command line format. The first file must be the DTD, and then any number of OFX files.
*/
int ofx_proc_sgml(LibofxContext * libofx_context, int argc, char * const* argv)
{
message_out(DEBUG, "Begin ofx_proc_sgml()");
assert(argc >= 3);
message_out(DEBUG, argv[0]);
message_out(DEBUG, argv[1]);
message_out(DEBUG, argv[2]);
ParserEventGeneratorKit parserKit;
parserKit.setOption (ParserEventGeneratorKit::showOpenEntities);
EventGenerator *egp = parserKit.makeEventGenerator (argc, argv);
egp->inhibitMessages (true); /* Error output is handled by libofx not OpenSP */
OFXApplication *app = new OFXApplication(libofx_context);
unsigned nErrors = egp->run (*app); /* Begin parsing */
delete egp; //Note that this is where bug is triggered
return nErrors > 0;
}