+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
/*
* Config_XMLReader.cpp
*
*/
#include <Config_XMLReader.h>
+#include <Config_Keywords.h>
+#include <Config_Common.h>
+#include <Config_PropManager.h>
+
+#include <Events_Loop.h>
+#include <Events_Error.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
-#include <Event_Loop.hxx>
-#include <libxml\parser.h>
-#include <libxml\tree.h>
+#include <fstream>
#ifdef WIN32
-//For GetModuleFileNameW
-#include <windows.h>
+#pragma warning(disable : 4996) // for getenv
#endif
#ifdef _DEBUG
#endif
Config_XMLReader::Config_XMLReader(const std::string& theXmlFileName)
+ : myXmlDoc(NULL)
{
- std::string prefix;
- //Get path to *.xml files (typically ./bin/../plugins/)
+ std::string prefix = "";
+ Config_Prop* aProp = Config_PropManager::findProp("Plugins", "default_path");
+ if (aProp)
+ prefix = aProp->value();
+ /*
+ * Get path to *.xml files (typically ./bin/../plugins/)
+
+ * the problem: application may be launched using python executable,
+ * to use environment variable (at least for the current moment)
+ */
+ if (prefix.empty()) {
+ char* anEnv = getenv("NEW_GEOM_CONFIG_FILE");
+ if (anEnv) {
+ prefix = std::string(anEnv);
+ }
+ }
#ifdef WIN32
- HMODULE hModule = GetModuleHandleW(NULL);
- WCHAR wchar_path[MAX_PATH];
- GetModuleFileNameW(hModule, wchar_path, MAX_PATH);
- char char_path[MAX_PATH];
- char DefChar = ' ';
- WideCharToMultiByte(CP_ACP, 0, wchar_path, -1, char_path, MAX_PATH, &DefChar, NULL);
- prefix = std::string(char_path);
- //chop "bin\XGUI.exe"
- unsigned found = prefix.rfind("bin");
- if (found != std::string::npos)
- prefix.replace(found, prefix.length(), "plugins\\");
+ prefix += "\\";
#else
- //TODO(sbh): Find full path to binary on linux
- prefix = "../plugins/";
+ prefix += "/";
#endif
-
- m_DocumentPath = prefix + theXmlFileName;
+ myDocumentPath = prefix + theXmlFileName;
+ std::ifstream aTestFile(myDocumentPath);
+ if (!aTestFile) Events_Error::send("Unable to open " + myDocumentPath);
+ aTestFile.close();
}
Config_XMLReader::~Config_XMLReader()
{
+ xmlFreeDoc(myXmlDoc);
}
-/*
- * Read all nodes (recursively if processChildren() is true
- * for a node). For each read node the processNode will be
- * called.
- */
void Config_XMLReader::readAll()
{
xmlNodePtr aRoot = findRoot();
readRecursively(aRoot);
}
-/*
- * Allows to customize reader's behavior for a node. Virtual.
- * The default implementation does nothing. (In debug mode prints
- * some info)
- */
-void Config_XMLReader::processNode(xmlNodePtr aNode)
+void Config_XMLReader::processNode(xmlNodePtr theNode)
{
+ if (isNode(theNode, NODE_SOURCE, NULL)) {
+ std::string aSourceFile = getProperty(theNode, SOURCE_FILE);
+ Config_XMLReader aSourceReader = Config_XMLReader(aSourceFile);
+ readRecursively(aSourceReader.findRoot());
#ifdef _DEBUG
- std::cout << "Config_XMLReader::processNode: "
- << aNode->name << " content: "
- << aNode->content << std::endl;
+ //std::cout << "Config_XMLReader::sourced node: " << aSourceFile << std::endl;
#endif
+ }
+}
+
+void Config_XMLReader::cleanup(xmlNodePtr)
+{
+ // do nothing;
}
-/*
- * Defines which nodes should be processed recursively. Virtual.
- * The default implementation to read all nodes.
- */
bool Config_XMLReader::processChildren(xmlNodePtr aNode)
{
return true;
xmlNodePtr Config_XMLReader::findRoot()
{
- xmlDocPtr aDoc;
- aDoc = xmlParseFile(m_DocumentPath.c_str());
- if (aDoc == NULL) {
+ if (myXmlDoc == NULL) {
+ myXmlDoc = xmlParseFile(myDocumentPath.c_str());
+ }
+ if (myXmlDoc == NULL) {
#ifdef _DEBUG
- std::cout << "Config_XMLReader::import: " << "Document " << m_DocumentPath
+ std::cout << "Config_XMLReader::import: " << "Document " << myDocumentPath
<< " is not parsed successfully." << std::endl;
#endif
return NULL;
}
- xmlNodePtr aRoot = xmlDocGetRootElement(aDoc);
+ xmlNodePtr aRoot = xmlDocGetRootElement(myXmlDoc);
#ifdef _DEBUG
if(aRoot == NULL) {
std::cout << "Config_XMLReader::import: " << "Error: empty document";
return aRoot;
}
-/*
- * Calls processNode() for each child (for some - recursively)
- * of the given node.
- * \sa ReadAll()
- */
void Config_XMLReader::readRecursively(xmlNodePtr theParent)
{
- static Event_ID aFeatureEvent = Event_Loop::EventByName("Feature");
-
if (!theParent)
return;
xmlNodePtr aNode = theParent->xmlChildrenNode;
- for(; aNode; aNode = aNode->next) {
+ for (; aNode; aNode = aNode->next) {
+ //Still no text processing in features...
+ if (!isElementNode(aNode)) {
+ continue;
+ }
processNode(aNode);
if (processChildren(aNode)) {
readRecursively(aNode);
- Config_FeatureMessage aMessage(aFeatureEvent, this);
}
+ cleanup(aNode);
}
}
-/*
- * void* -> xmlNodePtr
- */
xmlNodePtr Config_XMLReader::node(void* theNode)
{
return static_cast<xmlNodePtr>(theNode);
}
-/*
- * Returns named property for a given node as std::string.
- */
-std::string Config_XMLReader::getProperty(xmlNodePtr theNode, const char* name)
+std::string Config_XMLReader::getNodeName(xmlNodePtr theNode)
{
std::string result = "";
- char* aPropChars = (char*) xmlGetProp(theNode, BAD_CAST name);
+ char* aPropChars = (char*) theNode->name;
if (!aPropChars || aPropChars[0] == 0)
return result;
result = std::string(aPropChars);
return result;
}
-/*
- * Returns true if theNode is XML node with a given name.
- */
-bool Config_XMLReader::isNode(xmlNodePtr theNode, const char* theNodeName, ...)
+void Config_XMLReader::storeAttribute(xmlNodePtr theNode, const char* theAttribute)
+{
+ std::string aKey = getNodeName(theNode) + ":" + std::string(theAttribute);
+ std::string aValue = getProperty(theNode, theAttribute);
+ if(!aValue.empty()) {
+ myCachedAttributes[aKey] = aValue;
+ }
+}
+
+std::string Config_XMLReader::restoreAttribute(xmlNodePtr theNode, const char* theAttribute)
+{
+ return restoreAttribute(getNodeName(theNode).c_str(), theAttribute);
+}
+
+std::string Config_XMLReader::restoreAttribute(const char* theNodeName, const char* theAttribute)
{
+ std::string aKey = std::string(theNodeName) + ":" + std::string(theAttribute);
+ std::string result = "";
+ if(myCachedAttributes.find(aKey) != myCachedAttributes.end()) {
+ result = myCachedAttributes[aKey];
+ }
+ return result;
+}
+
+bool Config_XMLReader::cleanupAttribute(xmlNodePtr theNode, const char* theNodeAttribute)
+{
+ return cleanupAttribute(getNodeName(theNode).c_str(), theNodeAttribute);
+}
+
+bool Config_XMLReader::cleanupAttribute(const char* theNodeName, const char* theNodeAttribute)
+{
+ std::string aKey = std::string(theNodeName) + ":" + std::string(theNodeAttribute);
bool result = false;
- const xmlChar* aName = theNode->name;
- if (!aName || theNode->type != XML_ELEMENT_NODE)
- return false;
-
- if (!xmlStrcmp(aName, (const xmlChar *) theNodeName))
- return true;
-
- va_list args; // define argument list variable
- va_start(args, theNodeName); // init list; point to last defined argument
- while(true) {
- char *anArg = va_arg (args, char *); // get next argument
- if (anArg == NULL)
- break;
- if (!xmlStrcmp(aName, (const xmlChar *) anArg)) {
- va_end(args); // cleanup the system stack
- return true;
- }
+ std::map<std::string, std::string>::iterator anEntry = myCachedAttributes.find(aKey);
+ if( anEntry != myCachedAttributes.end()) {
+ myCachedAttributes.erase(anEntry);
+ result = true;
}
- va_end(args); // cleanup the system stack
- return false;
+ return result;
}