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BaseXMLFile.cpp Go to the documentation of this file. /* Copyright (C) 2004 Anders Hedstrom 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ //#include <stdio.h> #include "BaseXMLFile.h" BaseXMLFile::BaseXMLFile(const std::string& filename,const std::string& verify_ns,const std::string& verify_root) : m_doc(NULL) ,m_current(NULL) { xmlNodePtr cur; xmlNsPtr ns; if (!(m_doc = xmlParseFile(filename.c_str() ))) { fprintf(stderr,"xmlParseFile('%s') failed\n",filename.c_str()); return; } if (!(cur = xmlDocGetRootElement(m_doc))) { fprintf(stderr, "Empty document\n"); xmlFreeDoc(m_doc); m_doc = NULL; return; } if (!verify_ns.size()) { return; // we're ok } if (!(ns = xmlSearchNsByHref(m_doc, cur, (const xmlChar *) verify_ns.c_str() ))) { fprintf(stderr, "Document namespace != '%s'\n", verify_ns.c_str()); xmlFreeDoc(m_doc); m_doc = NULL; return; } if (!verify_root.size()) { return; } if (xmlStrcmp(cur -> name, (const xmlChar *) verify_root.c_str() )) { fprintf(stderr, "Document root != '%s'\n",verify_root.c_str()); xmlFreeDoc(m_doc); m_doc = NULL; return; } } BaseXMLFile::~BaseXMLFile() { if (m_doc) { xmlFreeDoc(m_doc); } } xmlNodePtr BaseXMLFile::GetRootElement() { m_current = m_doc ? xmlDocGetRootElement(m_doc) : NULL; return m_current; } std::string BaseXMLFile::GetProperty(const std::string& name) { xmlChar *p = m_current ? xmlGetProp(m_current, (const xmlChar *) name.c_str() ) : NULL; if (!p) { return ""; } std::string str = (char *)p; xmlFree(p); return str; } xmlNodePtr BaseXMLFile::GetChildrenNode() { m_current = m_current ? m_current -> xmlChildrenNode : NULL; return m_current; } xmlNodePtr BaseXMLFile::GetNextNode() { do { m_current = m_current ? m_current -> next : NULL; } while (m_current && xmlIsBlankNode( m_current )); return m_current; } const std::string& BaseXMLFile::GetNodeName() { if (m_current) { m_current_name = (char *)m_current -> name; } else { m_current_name = ""; } return m_current_name; } xmlNsPtr BaseXMLFile::GetNodeNs() { if (m_current) return m_current -> ns; return NULL; } const std::string& BaseXMLFile::GetNodeNsPrefix() { if (m_current && m_current -> ns && m_current -> ns -> prefix) { m_ns_prefix = (char *)m_current -> ns -> prefix; } else { m_ns_prefix = ""; } return m_ns_prefix; } const std::string& BaseXMLFile::GetNodeNsHref() { if (m_current && m_current -> ns && m_current -> ns -> href) { m_ns_href = (char *)m_current -> ns -> href; } else { m_ns_href = ""; } return m_ns_href; } xmlNodePtr BaseXMLFile::GetFirstElement(const std::string& name) { GetRootElement(); xmlNodePtr p = GetChildrenNode(); while (p) { if (name == GetNodeName()) { return p; } p = GetNextNode(); } return NULL; } xmlNodePtr BaseXMLFile::GetFirstElement(xmlNodePtr base,const std::string& name) { SetCurrent(base); xmlNodePtr p = GetChildrenNode(); while (p) { if (name == GetNodeName()) { return p; } p = GetNextNode(); } return NULL; } xmlNodePtr BaseXMLFile::GetNextElement(xmlNodePtr p,const std::string& name) { SetCurrent(p); p = GetNextNode(); while (p) { if (name == GetNodeName()) { return p; } p = GetNextNode(); } return NULL; }

Page, code, and content Copyright (C) 2006 by Anders Hedström

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