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scdgetinfoassuantransaction.cpp
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scdgetinfoassuantransaction.cpp
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/*
scdgetinfoassuantransaction.cpp - Assuan Transaction to get information from scdaemon
Copyright (C) 2009 Klarälvdalens Datakonsult AB
This file is part of GPGME++.
GPGME++ is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
GPGME++ 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with GPGME++; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "scdgetinfoassuantransaction.h"
#include "error.h"
#include "data.h"
#include "util.h"
#include <sstream>
#include <assert.h>
using namespace GpgME;
ScdGetInfoAssuanTransaction::ScdGetInfoAssuanTransaction(InfoItem item)
: AssuanTransaction(),
m_item(item),
m_command(),
m_data()
{
}
ScdGetInfoAssuanTransaction::~ScdGetInfoAssuanTransaction() {}
static std::vector<std::string> to_reader_list(const std::string &s)
{
std::vector<std::string> result;
std::stringstream ss(s);
std::string tok;
while (std::getline(ss, tok, '\n')) {
result.push_back(tok);
}
return result;
}
static std::vector<std::string> to_app_list(const std::string &s)
{
return to_reader_list(s);
}
std::string ScdGetInfoAssuanTransaction::version() const
{
if (m_item == Version) {
return m_data;
} else {
return std::string();
}
}
unsigned int ScdGetInfoAssuanTransaction::pid() const
{
if (m_item == Pid) {
return to_pid(m_data);
} else {
return 0U;
}
}
std::string ScdGetInfoAssuanTransaction::socketName() const
{
if (m_item == SocketName) {
return m_data;
} else {
return std::string();
}
}
char ScdGetInfoAssuanTransaction::status() const
{
if (m_item == Status && !m_data.empty()) {
return m_data[0];
} else {
return '\0';
}
}
std::vector<std::string> ScdGetInfoAssuanTransaction::readerList() const
{
if (m_item == ReaderList) {
return to_reader_list(m_data);
} else {
return std::vector<std::string>();
}
}
std::vector<std::string> ScdGetInfoAssuanTransaction::applicationList() const
{
if (m_item == ApplicationList) {
return to_app_list(m_data);
} else {
return std::vector<std::string>();
}
}
static const char *const scd_getinfo_tokens[] = {
"version",
"pid",
"socket_name",
"status",
"reader_list",
"deny_admin",
"app_list",
};
static_assert((sizeof scd_getinfo_tokens / sizeof * scd_getinfo_tokens == ScdGetInfoAssuanTransaction::LastInfoItem),
"getinfo_tokens size mismatch");
void ScdGetInfoAssuanTransaction::makeCommand() const
{
assert(m_item >= 0);
assert(m_item < LastInfoItem);
m_command = "SCD GETINFO ";
m_command += scd_getinfo_tokens[m_item];
}
const char *ScdGetInfoAssuanTransaction::command() const
{
makeCommand();
return m_command.c_str();
}
Error ScdGetInfoAssuanTransaction::data(const char *data, size_t len)
{
m_data.append(data, len);
return Error();
}
Data ScdGetInfoAssuanTransaction::inquire(const char *name, const char *args, Error &err)
{
(void)name; (void)args; (void)err;
return Data::null;
}
Error ScdGetInfoAssuanTransaction::status(const char *status, const char *args)
{
(void)status; (void)args;
return Error();
}

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