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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* sessionheaderparser.cc
*
* Thu Aug 9 09:06:32 CEST 2012
* Copyright 2012 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro 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.
*
* Pracro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "sessionheaderparser.h"
/*
<session timestamp="1234567890"
status="readonly""
id="12345"
template="amd_forunders"
patientid="0000000000">
...
</session>
*/
#include <stdio.h>
// For assert
#include <assert.h>
// For open and friends
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
// For vprintf and friends
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include "debug.h"
#include "configuration.h"
#include "exception.h"
void SessionHeaderParser::error(const char* fmt, ...)
{
ERR_LOG(session, "Error in SessionHeaderParser: ");
{
va_list argp;
va_start(argp, fmt);
ERR_LOG_VA(session, fmt, argp);
va_end(argp);
fprintf(stderr, "\n");
}
{
char *p;
va_list argp;
va_start(argp, fmt);
if(vasprintf(&p, fmt, argp) != -1) {
throw Exception("Error in SessionHeaderParser: " + std::string(p));
free(p);
}
va_end(argp);
}
}
SessionHeaderParser::SessionHeaderParser(std::string sessionfile)
{
done = false;
file = sessionfile;
DEBUG(session, "Using session file: %s\n", sessionfile.c_str());
fd = open(sessionfile.c_str(), O_RDONLY);
if(fd == -1) error("Could not open file %s", sessionfile.c_str());
}
SessionHeaderParser::~SessionHeaderParser()
{
if(fd != -1) close(fd);
}
void SessionHeaderParser::startTag(std::string name, attributes_t &attr)
{
if(done) return;
if(name == "session") {
done = true;
if(attr.find("patientid") != attr.end()) {
header.patientid = attr["patientid"];
}
if(attr.find("template") != attr.end()) {
header.templ = attr["template"];
}
if(attr.find("id") != attr.end()) {
header.id = attr["id"];
}
} else {
throw Exception("Missing root tag 'session' - found '" + name + "'");
}
}
int SessionHeaderParser::readData(char *data, size_t size)
{
if(done) return 0; // If done is true we already found what we were looking
// for and can dismiss the rest of the document.
if(fd == -1) {
ERR_LOG(session, "Invalid file descriptor.\n");
return 0;
}
ssize_t r = read(fd, data, size);
if(r == -1) {
ERR_LOG(session, "Could not read...%s\n", strerror(errno));
return 0;
}
return r;
}
void SessionHeaderParser::parseError(const char *buf, size_t len, std::string error, int lineno)
{
if(done) return; // If done is true we already found what we were looking
// for and can dismiss the rest of the document.
ERR_LOG(session, "SessionHeaderParser[%s] error at line %d: %s\n",
file.c_str(), lineno, error.c_str());
ERR_LOG(session, "\tBuffer %u bytes: [", len);
if(fwrite(buf, len, 1, stderr) != len) {}
ERR_LOG(session, "]\n");
char *slineno;
if(asprintf(&slineno, " at line %d\n", lineno) != -1) {
throw Exception(error + slineno);
free(slineno);
}
}
SessionHeaderParser::Header SessionHeaderParser::getHeader()
{
return header;
}
#ifdef TEST_SESSIONHEADERPARSER
//deps: saxparser.cc debug.cc log.cc exception.cc mutex.cc
//cflags: -I.. $(PTHREAD_CFLAGS) $(EXPAT_CFLAGS)
//libs: $(PTHREAD_LIBS) $(EXPAT_LIBS)
#include "test.h"
TEST_BEGIN;
// TODO: Put some testcode here (see test.h for usable macros).
TEST_TRUE(false, "No tests yet!");
TEST_END;
#endif/*TEST_SESSIONHEADERPARSER*/
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