property.cpp
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/***************************************************************************
* Universidade Federal da Paraíba *
* Copyright (C) 2013 by Laboratório de Aplicações de Vídeo Digital *
* *
* Centro de Informática - UFPB - Campus I *
* João Pessoa - PB - Brasil *
* *
* Author: Leonardo de Araújo Domingues (leonardo.araujo@lavid.ufpb.br) *
* Date: Qui Nov 28 14:06:10 BRT 2013 *
* *
**************************************************************************/
#include "property.h"
using namespace std;
namespace sndesc {
PropertyHandler::PropertyHandler(string filename) {
try {
if (checkFileExtension(filename) != 1)
throw new RuntimeException("Format file not is recognized!");
file_property = new FileIO(filename, FileIO::MODE_READ);
} catch (IOException &ex) {
printf("[FAILED] Can't open file %s\n%s\n", filename.c_str(),
ex.getMessage().c_str());
}
}
PropertyHandler::~PropertyHandler() {
if (rbuffer)
delete rbuffer;
if (file_property)
delete file_property;
}
char* PropertyHandler::getAttributeValue(string attr) {
char* value1;
char* value2;
rbuffer = new BufferedReader(file_property);
string fline;
try {
int target_pos = -1, begin = 0;
string attr_t, value_t;
while((fline = rbuffer->readLine()).size() > 0) {
target_pos = fline.find("=");
if (target_pos < 2)
throw new RuntimeException("The assignment symbol was not found.");
attr_t = fline.substr(begin, target_pos);
begin = target_pos+1;
value_t = fline.substr(begin, fline.size());
if (attr.compare(attr_t) == 0) {
file_property->seek(0);
value1 = new char[value_t.length() + 1];
strcpy(value1, value_t.c_str());
return value1;
}
target_pos = -1;
begin = 0;
}
} catch (lavidlib::EOFException &ex) {
printf("[INFO] File is completed.\n%s\n", ex.getMessage().c_str());
}
file_property->seek(0);
strcpy(value2, fline.c_str());
return value2;
}
int PropertyHandler::checkFileExtension(string &filename) {
return (filename.find(EXTENSION) > 0 &&
(filename.size() == (filename.find(EXTENSION) + strlen(EXTENSION)))) ? 1 : -1;
}
}