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/*=============================================================================
XMOTO
This file is part of XMOTO.
XMOTO 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.
XMOTO 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 XMOTO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
=============================================================================*/
#include "VXml.h"
#include "VFileIO.h"
#include "helpers/VExcept.h"
#include "helpers/Log.h"
XMLDocument::XMLDocument() {
m_doc = NULL;
xmlSetGenericErrorFunc(this, XMLDocument::XMLDocumentErrorFunc);
}
XMLDocument::~XMLDocument() {
if(m_doc != NULL) {
xmlFreeDoc(m_doc);
}
}
void XMLDocument::clean() {
xmlCleanupParser();
}
void XMLDocument::XMLDocumentErrorFunc(void* ctx, const char* msg, ...) {
va_list List;
char cBuf[2048];
va_start(List,msg);
vsnprintf(cBuf, 2048, msg, List);
va_end(List);
LogError(cBuf);
}
void XMLDocument::readFromFile(FileDataType i_fdt, std::string File, bool i_includeCurrentDir) {
/* Clean up if a doc already is loaded */
if(m_doc != NULL) {
xmlFreeDoc(m_doc);
m_doc = NULL;
}
// directly open the file
if(XMFS::doesRealFileOrDirectoryExists(File)) {
m_doc = xmlParseFile(File.c_str());
} else {
FileHandle *pfh;
std::string v_xmlstr;
pfh = XMFS::openIFile(i_fdt, File, i_includeCurrentDir);
if(pfh==NULL) {
throw Exception("failed to load XML " + File);
}
v_xmlstr = XMFS::readFileToEnd(pfh);
XMFS::closeFile(pfh);
m_doc = xmlParseMemory(v_xmlstr.c_str(), v_xmlstr.length());
}
if (m_doc == NULL) {
throw Exception("failed to load XML " + File);
}
}
xmlNodePtr XMLDocument::getRootNode(const char* rootNameToCheck) {
char* vc = (char*) rootNameToCheck;
xmlChar* xvc = (xmlChar*) vc;
xmlNodePtr r = xmlDocGetRootElement(m_doc);
if(xvc != NULL) {
if(r == NULL) {
throw Exception("Invalid root name");
} else if(xmlStrcmp(r->name, xvc) != 0) {
throw Exception("Invalid root name");
}
}
return r;
}
xmlNodePtr XMLDocument::subElement(xmlNodePtr node, const char* name) {
xmlNodePtr child;
char* cname = (char*) name;
xmlChar* xname = (xmlChar*) cname;
// search he children
if(node->children == NULL) {
return NULL;
}
child = node->children;
// is it the direct child ?
if(child->type == XML_ELEMENT_NODE) {
if(xmlStrcmp(child->name, xname) == 0) {
return child;
}
}
return nextElement(child, name); // go throw the child level to find a browser
}
xmlNodePtr XMLDocument::nextElement(xmlNodePtr node, const char* name) {
xmlNodePtr n;
char* cname = (char*) name;
xmlChar* xname = (xmlChar*) cname;
n = node->next;
while(n != NULL) {
if(n->type == XML_ELEMENT_NODE) {
if(xmlStrcmp(n->name, name == NULL ? node->name : xname) == 0) { // searched node ?
return n;
}
}
n = n->next;
}
// nothing found
return NULL;
}
std::string XMLDocument::getOption(xmlNodePtr node, const char* name, std::string Default) {
char* v = (char *) name;
return getOption(node, (xmlChar*) v, Default);
}
std::string XMLDocument::getOption(xmlNodePtr node, xmlChar* name, std::string Default) {
xmlChar* value;
std::string res;
value = xmlGetProp(node, name);
if(value == NULL) {
return Default;
}
res = std::string((char*) value);
xmlFree(value);
return res;
}
std::string XMLDocument::getElementText(xmlNodePtr node) {
xmlChar* value;
std::string res;
// get the value
value = xmlNodeGetContent(node);
if(value == NULL) {
return "";
}
res = std::string((char*) value);
xmlFree(value);
return res;
}
std::string XMLDocument::str2xmlstr(std::string str) {
std::string v_res = "";
for(unsigned int i=0; i<str.length(); i++) {
switch(str[i]) {
case '&':
v_res.append("&");
break;
case '<':
v_res.append("<");
break;
case '>':
v_res.append(">");
break;
case '\"':
v_res.append(""");
break;
case '\'':
v_res.append("'");
break;
default:
char c[2] = {str[i], '\0'};
v_res.append(c);
}
}
return v_res;
}
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