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/*
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "ExpatParser.hxx"
#include "input/InputStream.hxx"
#include "util/ASCII.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include <string.h>
static constexpr Domain expat_domain("expat");
void
ExpatParser::SetError(Error &error)
{
XML_Error code = XML_GetErrorCode(parser);
error.Format(expat_domain, int(code), "XML parser failed: %s",
XML_ErrorString(code));
}
bool
ExpatParser::Parse(const char *data, size_t length, bool is_final,
Error &error)
{
bool success = XML_Parse(parser, data, length,
is_final) == XML_STATUS_OK;
if (!success)
SetError(error);
return success;
}
bool
ExpatParser::Parse(InputStream &is, Error &error)
{
assert(is.IsReady());
while (true) {
char buffer[4096];
size_t nbytes = is.LockRead(buffer, sizeof(buffer), error);
if (nbytes == 0)
break;
if (!Parse(buffer, nbytes, false, error))
return false;
}
if (error.IsDefined())
return false;
return Parse("", 0, true, error);
}
const char *
ExpatParser::GetAttribute(const XML_Char **atts,
const char *name)
{
for (unsigned i = 0; atts[i] != nullptr; i += 2)
if (strcmp(atts[i], name) == 0)
return atts[i + 1];
return nullptr;
}
const char *
ExpatParser::GetAttributeCase(const XML_Char **atts,
const char *name)
{
for (unsigned i = 0; atts[i] != nullptr; i += 2)
if (StringEqualsCaseASCII(atts[i], name))
return atts[i + 1];
return nullptr;
}
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