/* * 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; }