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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/linux/xml_parser/xml2_api.h"
namespace L0 {
const std::string Xml2Api::xml2LibraryFile = "libxml2.so.2";
const std::string Xml2Api::xmlInitParserRoutine = "xmlInitParser";
const std::string Xml2Api::xmlCleanupParserRoutine = "xmlCleanupParser";
const std::string Xml2Api::xmlReadFileRoutine = "xmlReadFile";
const std::string Xml2Api::xmlReadMemoryRoutine = "xmlReadMemory";
const std::string Xml2Api::xmlFreeDocRoutine = "xmlFreeDoc";
const std::string Xml2Api::xmlXPathNewContextRoutine = "xmlXPathNewContext";
const std::string Xml2Api::xmlXPathFreeContextRoutine = "xmlXPathFreeContext";
const std::string Xml2Api::xmlXPathEvalRoutine = "xmlXPathEval";
const std::string Xml2Api::xmlXPathNodeEvalRoutine = "xmlXPathNodeEval";
const std::string Xml2Api::xmlXPathCastNodeToStringRoutine = "xmlXPathCastNodeToString";
const std::string Xml2Api::xmlXPathFreeObjectRoutine = "xmlXPathFreeObject";
const std::string Xml2Api::xmlGetNodePathRoutine = "xmlGetNodePath";
const std::string Xml2Api::xmlGetPropRoutine = "xmlGetProp";
const std::string Xml2Api::xmlMemGetRoutine = "xmlMemGet";
template <class T>
bool Xml2Api::getProcAddr(const std::string name, T &proc) {
void *addr;
addr = libraryHandle->getProcAddress(name);
proc = reinterpret_cast<T>(addr);
return nullptr != proc;
}
bool Xml2Api::loadEntryPoints() {
bool ok = true;
ok = ok && getProcAddr(xmlInitParserRoutine, xmlInitParserEntry);
ok = ok && getProcAddr(xmlCleanupParserRoutine, xmlCleanupParserEntry);
ok = ok && getProcAddr(xmlReadFileRoutine, xmlReadFileEntry);
ok = ok && getProcAddr(xmlReadMemoryRoutine, xmlReadMemoryEntry);
ok = ok && getProcAddr(xmlFreeDocRoutine, xmlFreeDocEntry);
ok = ok && getProcAddr(xmlXPathNewContextRoutine, xmlXPathNewContextEntry);
ok = ok && getProcAddr(xmlXPathFreeContextRoutine, xmlXPathFreeContextEntry);
ok = ok && getProcAddr(xmlXPathEvalRoutine, xmlXPathEvalEntry);
ok = ok && getProcAddr(xmlXPathNodeEvalRoutine, xmlXPathNodeEvalEntry);
ok = ok && getProcAddr(xmlXPathCastNodeToStringRoutine, xmlXPathCastNodeToStringEntry);
ok = ok && getProcAddr(xmlXPathFreeObjectRoutine, xmlXPathFreeObjectEntry);
ok = ok && getProcAddr(xmlGetNodePathRoutine, xmlGetNodePathEntry);
ok = ok && getProcAddr(xmlGetPropRoutine, xmlGetPropEntry);
// Can't just get the symbol for xmlFree. Use xmlMemGet to find the xmlFree routine the library is using
pXmlMemGet xmlMemGetEntry;
ok = ok && getProcAddr(xmlMemGetRoutine, xmlMemGetEntry);
ok = ok && !(*xmlMemGetEntry)(&xmlFreeEntry, nullptr, nullptr, nullptr);
return ok;
}
void Xml2Api::xmlInitParser() {
UNRECOVERABLE_IF(nullptr == xmlInitParserEntry);
(*xmlInitParserEntry)();
return;
}
void Xml2Api::xmlCleanupParser() {
UNRECOVERABLE_IF(nullptr == xmlCleanupParserEntry);
(*xmlCleanupParserEntry)();
return;
}
xmlDocPtr Xml2Api::xmlReadFile(const std::string filename, int options) {
UNRECOVERABLE_IF(nullptr == xmlReadFileEntry);
return (*xmlReadFileEntry)(filename.c_str(), NULL, options);
}
xmlDocPtr Xml2Api::xmlReadMemory(const std::string buffer, int options) {
UNRECOVERABLE_IF(nullptr == xmlReadMemoryEntry);
const char *cbuf = buffer.c_str();
int size = static_cast<int>(buffer.length());
return (*xmlReadMemoryEntry)(cbuf, size, NULL, NULL, options);
}
void Xml2Api::xmlFreeDoc(xmlDocPtr doc) {
UNRECOVERABLE_IF(nullptr == xmlFreeDocEntry);
(*xmlFreeDocEntry)(doc);
return;
}
xmlXPathContextPtr Xml2Api::xmlXPathNewContext(xmlDocPtr doc) {
UNRECOVERABLE_IF(nullptr == xmlXPathNewContextEntry);
return (*xmlXPathNewContextEntry)(doc);
}
void Xml2Api::xmlXPathFreeContext(xmlXPathContextPtr cntx) {
UNRECOVERABLE_IF(nullptr == xmlXPathFreeContextEntry);
(*xmlXPathFreeContextEntry)(cntx);
return;
}
xmlXPathObjectPtr Xml2Api::xmlXPathEval(const std::string expr, xmlXPathContextPtr cntx) {
UNRECOVERABLE_IF(nullptr == xmlXPathEvalEntry);
return (*xmlXPathEvalEntry)(reinterpret_cast<const xmlChar *>(expr.c_str()), cntx);
}
xmlXPathObjectPtr Xml2Api::xmlXPathNodeEval(xmlNodePtr node, const std::string expr, xmlXPathContextPtr cntx) {
UNRECOVERABLE_IF(nullptr == xmlXPathNodeEvalEntry);
return (*xmlXPathNodeEvalEntry)(node, reinterpret_cast<const xmlChar *>(expr.c_str()), cntx);
}
std::string Xml2Api::xmlXPathCastNodeToString(xmlNodePtr node) {
UNRECOVERABLE_IF(nullptr == xmlXPathCastNodeToStringEntry);
xmlChar *pXmlChar = (*xmlXPathCastNodeToStringEntry)(node);
if (nullptr == pXmlChar) {
return std::string();
} else {
std::string str(reinterpret_cast<char *>(pXmlChar));
this->xmlFree(pXmlChar);
return str;
}
}
void Xml2Api::xmlXPathFreeObject(xmlXPathObjectPtr obj) {
UNRECOVERABLE_IF(nullptr == xmlXPathFreeObjectEntry);
(*xmlXPathFreeObjectEntry)(obj);
return;
}
std::string Xml2Api::xmlGetNodePath(const xmlNodePtr node) {
UNRECOVERABLE_IF(nullptr == xmlGetNodePathEntry);
xmlChar *pXmlChar = (*xmlGetNodePathEntry)(node);
if (nullptr == pXmlChar) {
return std::string();
} else {
std::string str(reinterpret_cast<const char *>(pXmlChar));
this->xmlFree(pXmlChar);
return str;
}
}
std::string Xml2Api::xmlGetProp(const xmlNodePtr node, std::string prop) {
UNRECOVERABLE_IF(nullptr == xmlGetPropEntry);
xmlChar *pXmlChar = (*xmlGetPropEntry)(node, reinterpret_cast<const xmlChar *>(prop.c_str()));
if (nullptr == pXmlChar) {
return std::string();
} else {
std::string str(reinterpret_cast<char *>(pXmlChar));
this->xmlFree(pXmlChar);
return str;
}
}
void Xml2Api::xmlFree(void *obj) {
UNRECOVERABLE_IF(nullptr == xmlFreeEntry);
(*xmlFreeEntry)(obj);
return;
}
Xml2Api *Xml2Api::create() {
Xml2Api *pXml2Api = new Xml2Api;
UNRECOVERABLE_IF(nullptr == pXml2Api);
pXml2Api->libraryHandle = NEO::OsLibrary::load(xml2LibraryFile);
if (pXml2Api->libraryHandle == nullptr || !pXml2Api->loadEntryPoints()) {
delete pXml2Api;
return nullptr;
}
return pXml2Api;
}
Xml2Api::~Xml2Api() {
if (nullptr != libraryHandle) {
delete libraryHandle;
libraryHandle = nullptr;
}
}
} // namespace L0
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