| 1 |
#include "xmlcustomcode.h" |
| 2 |
|
| 3 |
// http://stackoverflow.com/questions/7092765/what-does-it-mean-to-have-an-undefined-reference-to-a-static-member |
| 4 |
QVector<QScriptEngine*> XmlCustomCode::scriptEngines; |
| 5 |
QVector<QScriptValue*> XmlCustomCode::jsFunctions; |
| 6 |
QVector<QScriptValue*> XmlCustomCode::getXmlDataFunctions; |
| 7 |
QVector<QScriptValue*> XmlCustomCode::setXmlDataFunctions; |
| 8 |
|
| 9 |
QScriptValue echo(QScriptContext *context, QScriptEngine*) |
| 10 |
{ |
| 11 |
std::cout << context->argument(0).toString().toUtf8().constData() << std::endl; |
| 12 |
|
| 13 |
return ""; |
| 14 |
} |
| 15 |
|
| 16 |
XmlCustomCode::XmlCustomCode(): numThreads(omp_get_num_procs()*2) |
| 17 |
{ |
| 18 |
// create individual thread script engines if empty |
| 19 |
if(this->scriptEngines.isEmpty()){ |
| 20 |
this->scriptEngines.reserve(this->numThreads); |
| 21 |
this->jsFunctions.reserve(this->numThreads); |
| 22 |
this->getXmlDataFunctions.reserve(this->numThreads); |
| 23 |
this->setXmlDataFunctions.reserve(this->numThreads); |
| 24 |
|
| 25 |
QString jsxmlString; |
| 26 |
QFile jsxmlfile(":/resources/libs/jsxml.js"); |
| 27 |
|
| 28 |
jsxmlfile.open(QFile::ReadOnly | QFile::Text); |
| 29 |
|
| 30 |
jsxmlString=QTextStream(&jsxmlfile).readAll(); |
| 31 |
|
| 32 |
for(int i=0; i<this->numThreads; i++){ |
| 33 |
this->scriptEngines.append(new QScriptEngine()); |
| 34 |
this->jsFunctions.append(new QScriptValue()); |
| 35 |
|
| 36 |
// main needs to be called so the user code is evaluated |
| 37 |
// alternatively you can do: myFunc=engine.evaluate('(function main(){})'); myFunc.call(); |
| 38 |
// Note the () around the function |
| 39 |
this->getXmlDataFunctions.append(new QScriptValue(this->scriptEngines.at(i)->evaluate("(function getXmlData() { return $xmlData; })"))); |
| 40 |
this->setXmlDataFunctions.append(new QScriptValue(this->scriptEngines.at(i)->evaluate("(function setXmlData(newXmlData) { $xmlData=newXmlData; })"))); |
| 41 |
|
| 42 |
// Add echo function so user can debug the code |
| 43 |
QScriptValue echoFunction = this->scriptEngines.at(i)->newFunction(echo); |
| 44 |
this->scriptEngines.at(i)->globalObject().setProperty("echo", echoFunction); |
| 45 |
|
| 46 |
// Add the js library for XmlEditing |
| 47 |
this->scriptEngines.at(i)->evaluate(jsxmlString); |
| 48 |
} |
| 49 |
} |
| 50 |
} |
| 51 |
|
| 52 |
void XmlCustomCode::executeCustomCode(const QString &jsString, const QVector<QString> &filesToProcess, const bool backupsEnabled, const bool verboseEnabled){ |
| 53 |
|
| 54 |
// Reconstruct script functions |
| 55 |
for(int i=0; i<this->numThreads; i++){ |
| 56 |
*this->jsFunctions[i]=this->scriptEngines.at(i)->evaluate("(function main() {"+jsString+"})"); |
| 57 |
} |
| 58 |
|
| 59 |
QString currXmlFileString; |
| 60 |
|
| 61 |
QScriptValue engineResult; // variable to check for js_errors |
| 62 |
double elapsed_secs=0; // elapsed seconds that a user script took |
| 63 |
clock_t begin; // seconds that a script started |
| 64 |
|
| 65 |
// Single tread if small number of files |
| 66 |
if(filesToProcess.size()<CUSTOM_FILES_PER_THREAD){ |
| 67 |
// Process all XmlFiles |
| 68 |
for(int i=0; i<filesToProcess.size(); i++){ |
| 69 |
|
| 70 |
customCodeUnwinding(filesToProcess.at(i),currXmlFileString,*this->scriptEngines.at(0),begin,elapsed_secs,engineResult, |
| 71 |
*this->jsFunctions.at(0),*this->getXmlDataFunctions.at(0),*this->setXmlDataFunctions.at(0),backupsEnabled,verboseEnabled); |
| 72 |
} |
| 73 |
} |
| 74 |
else{ // Multithread if there are many files |
| 75 |
// Process all XmlFiles |
| 76 |
#pragma omp parallel for num_threads(this->numThreads) schedule(dynamic) |
| 77 |
for(int i=0; i<filesToProcess.size()-CUSTOM_FILES_PER_THREAD; i+=CUSTOM_FILES_PER_THREAD){ |
| 78 |
|
| 79 |
const int tid=omp_get_thread_num(); |
| 80 |
|
| 81 |
QString currXmlFileStringThread; |
| 82 |
|
| 83 |
QScriptValue engineResultThread; // variable to check for js_errors |
| 84 |
double elapsedSecsThread=0; // elapsed seconds that a user script took |
| 85 |
clock_t beginThread; // seconds that a script started |
| 86 |
|
| 87 |
customCodeUnwinding(filesToProcess.at(i),currXmlFileStringThread,*this->scriptEngines.at(tid),beginThread,elapsedSecsThread,engineResultThread, |
| 88 |
*this->jsFunctions.at(tid),*this->getXmlDataFunctions.at(tid),*this->setXmlDataFunctions.at(tid),backupsEnabled,verboseEnabled); |
| 89 |
|
| 90 |
customCodeUnwinding(filesToProcess.at(i+1),currXmlFileStringThread,*this->scriptEngines.at(tid),beginThread,elapsedSecsThread,engineResultThread, |
| 91 |
*this->jsFunctions.at(tid),*this->getXmlDataFunctions.at(tid),*this->setXmlDataFunctions.at(tid),backupsEnabled,verboseEnabled); |
| 92 |
} |
| 93 |
|
| 94 |
if(filesToProcess.size()%CUSTOM_FILES_PER_THREAD!=0){ |
| 95 |
|
| 96 |
int alreadyProcessedFiles=(filesToProcess.size()/CUSTOM_FILES_PER_THREAD)*CUSTOM_FILES_PER_THREAD; |
| 97 |
|
| 98 |
for(int i=alreadyProcessedFiles; i<filesToProcess.size(); i++){ |
| 99 |
|
| 100 |
customCodeUnwinding(filesToProcess.at(i),currXmlFileString,*this->scriptEngines.at(0),begin,elapsed_secs,engineResult, |
| 101 |
*this->jsFunctions.at(0),*this->getXmlDataFunctions.at(0),*this->setXmlDataFunctions.at(0),backupsEnabled,verboseEnabled); |
| 102 |
} |
| 103 |
} |
| 104 |
} |
| 105 |
} |
| 106 |
|
| 107 |
void XmlCustomCode::displayJsException(QScriptEngine &engine, QScriptValue &engineResult){ |
| 108 |
if (engine.hasUncaughtException()) { |
| 109 |
UtilXmlTools::displayErrorMessage("@CUSTOM_CODE","Uncaught js exception (user code) at line " +QString::number(engine.uncaughtExceptionLineNumber()) + ":\n" + engineResult.toString()); |
| 110 |
} |
| 111 |
} |
