#include <Config_XMLReader.h>
-#include <Event_Loop.hxx>
-
+#include <Event_Loop.h>
#include <libxml\parser.h>
#include <libxml\tree.h>
+
+/*
#ifdef WIN32
//For GetModuleFileNameW
#include <windows.h>
#endif
+*/
#ifdef _DEBUG
#include <iostream>
#endif
-static bool IsNode(xmlNodePtr theNode, const char* theNodeName)
+Config_XMLReader::Config_XMLReader(const std::string& theXmlFileName)
+ : myXmlDoc(NULL)
{
- return theNode->type == XML_ELEMENT_NODE
- && !xmlStrcmp(theNode->name, (const xmlChar *) theNodeName);
-}
+ std::string prefix = "";
+ /*
+ * Get path to *.xml files (typically ./bin/../plugins/)
-const static char* FEATURE_ID = "id";
-const static char* FEATURE_TEXT = "text";
-const static char* FEATURE_TOOLTIP = "tooltip";
-const static char* FEATURE_ICON = "icon";
-const static char* FEATURE_KEYSEQUENCE = "keysequence";
-const static char* FEATURE_GROUP_NAME = "name";
+ * the problem: application may be launched using python executable,
+ * to use environment variable (at least for the current moment)
+ */
+ char* anEnv = getenv("NEW_GEOM_CONFIG_FILE");
+ if (anEnv) {
+ prefix = std::string(anEnv) + "/";
+ }
-Config_XMLReader::Config_XMLReader(const std::string& theXmlFile)
-{
- setDocumentPath(theXmlFile);
+ myDocumentPath = prefix + theXmlFileName;
}
Config_XMLReader::~Config_XMLReader()
{
+ xmlFreeDoc(myXmlDoc);
}
-std::string Config_XMLReader::documentPath() const
+/*
+ * Read all nodes in associated xml file,
+ * recursively if processChildren(xmlNode) is true for the xmlNode.
+ * For each read node the processNode will be called.
+ */
+void Config_XMLReader::readAll()
{
- return m_DocumentPath;
+ xmlNodePtr aRoot = findRoot();
+ readRecursively(aRoot);
}
-void Config_XMLReader::setDocumentPath(std::string documentPath)
+/*
+ * 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)
{
- std::string prefix;
-#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\\");
-#else
- //TODO(sbh): Find full path to binary on linux
- prefix = "../plugins/";
+#ifdef _DEBUG
+ std::cout << "Config_XMLReader::processNode: "
+ << aNode->name << " content: "
+ << aNode->content << std::endl;
#endif
- m_DocumentPath = prefix + documentPath;
}
-void Config_XMLReader::readAll()
+/*
+ * Defines which nodes should be processed recursively. Virtual.
+ * The default implementation is to read all nodes.
+ */
+bool Config_XMLReader::processChildren(xmlNodePtr aNode)
{
- import();
+ return true;
}
/*
- * TODO: make virtual as beforeImport
+ *
*/
-bool Config_XMLReader::import()
+xmlNodePtr Config_XMLReader::findRoot()
{
- bool result = false;
- xmlDocPtr aDoc;
- aDoc = xmlParseFile(m_DocumentPath.c_str());
- if(aDoc == NULL) {
- #ifdef _DEBUG
- std::cout << "Config_XMLReader::import: " << "Document " << m_DocumentPath
- << " is not parsed successfully." << std::endl;
- #endif
- return result;
+ myXmlDoc = xmlParseFile(myDocumentPath.c_str());
+ if (myXmlDoc == NULL) {
+#ifdef _DEBUG
+ 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) {
- #ifdef _DEBUG
std::cout << "Config_XMLReader::import: " << "Error: empty document";
- #endif
- return result;
- }
- xmlNodePtr aWbSec;
- for(aWbSec = aRoot->xmlChildrenNode; aWbSec; aWbSec = aWbSec->next) { // searching for higher level element "workbench"
- if(IsNode(aWbSec, "workbench")) {
- result = importWorkbench(aWbSec);
- } else {
- #ifdef _DEBUG
- std::cout << "Config_XMLReader::import: "
- << "Found strange section, should be workbench" << std::endl;
- #endif
- continue;
- }
}
- return result;
+#endif
+ return aRoot;
}
/*
- * TODO(sbh): make virtual as doImport
+ * Calls processNode() for each child (for some - recursively)
+ * of the given node.
+ * \sa ReadAll()
*/
-bool Config_XMLReader::importWorkbench(void* theRoot)
+void Config_XMLReader::readRecursively(xmlNodePtr theParent)
{
- xmlNodePtr aGroupNode = (static_cast<xmlNodePtr>(theRoot))->xmlChildrenNode;
- Event_Loop* aEvLoop = Event_Loop::Loop();
- if(!aEvLoop) {
- #ifdef _DEBUG
- std::cout << "Config_XMLReader::importWorkbench: "
- << "No event loop registered" << std::endl;
- #endif
- return false;
- }
- for(; aGroupNode; aGroupNode = aGroupNode->next) { // searching for record
- if(!IsNode(aGroupNode, "group"))
- continue;
- std::string aGroupName = getProperty(aGroupNode, FEATURE_GROUP_NAME);
- if(aGroupName.empty())
- continue;
- xmlNodePtr aFtNode = aGroupNode->xmlChildrenNode;
- for(; aFtNode; aFtNode = aFtNode->next) {
- if(!IsNode(aFtNode, "feature"))
- continue;
- //Create feature...
- Config_FeatureMessage aMessage(aEvLoop->EventByName("Feature"), this);
- fillFeature(aFtNode, aMessage);
- aMessage.m_group = aGroupName;
- aEvLoop->Send(aMessage);
+ if (!theParent)
+ return;
+ xmlNodePtr aNode = theParent->xmlChildrenNode;
+ for(; aNode; aNode = aNode->next) {
+ processNode(aNode);
+ if (processChildren(aNode)) {
+ readRecursively(aNode);
}
}
- return true;
}
-void Config_XMLReader::fillFeature(void *theRoot,
- Config_FeatureMessage& outFeatureMessage)
+/*
+ * void* -> xmlNodePtr
+ */
+xmlNodePtr Config_XMLReader::node(void* theNode)
{
- outFeatureMessage.m_id = getProperty(theRoot, FEATURE_ID);
- outFeatureMessage.m_text = getProperty(theRoot, FEATURE_TEXT);
- outFeatureMessage.m_tooltip = getProperty(theRoot, FEATURE_TOOLTIP);
- outFeatureMessage.m_icon = getProperty(theRoot, FEATURE_ICON);
- outFeatureMessage.m_keysequence = getProperty(theRoot, FEATURE_KEYSEQUENCE);
+ return static_cast<xmlNodePtr>(theNode);
}
-std::string Config_XMLReader::getProperty(void *theRoot, const char* name)
+/*
+ * Returns named property for a given node as std::string.
+ */
+std::string Config_XMLReader::getProperty(xmlNodePtr theNode, const char* name)
{
std::string result = "";
- xmlNodePtr aNode = (static_cast<xmlNodePtr>(theRoot));
- char* aPropChars = (char*) xmlGetProp(aNode, BAD_CAST name);
- if(!aPropChars || aPropChars[0] == 0)
+ char* aPropChars = (char*) xmlGetProp(theNode, BAD_CAST 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, ...)
+{
+ 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;
+ }
+ }
+ va_end(args); // cleanup the system stack
+ return false;
+}
