1
0
Fork 0
arangodb/lib/V8/JSLoader.cpp

212 lines
6.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief source code loader
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2012 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "JSLoader.h"
#include "Basics/MutexLocker.h"
#include "BasicsC/files.h"
#include "BasicsC/strings.h"
#include "Basics/StringUtils.h"
#include "Logger/Logger.h"
#include "V8/v8-utils.h"
using namespace std;
using namespace triagens::basics;
using namespace triagens::arango;
// -----------------------------------------------------------------------------
// --SECTION-- constructors and destructors
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup ArangoDB
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief constructs a loader
////////////////////////////////////////////////////////////////////////////////
JSLoader::JSLoader () {
}
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- public methods
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup ArangoDB
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief executes a named script in the global context
////////////////////////////////////////////////////////////////////////////////
v8::Handle<v8::Value> JSLoader::executeGlobalScript (v8::Persistent<v8::Context> context,
string const& name) {
v8::HandleScope scope;
v8::TryCatch tryCatch;
findScript(name);
map<string, string>::iterator i = _scripts.find(name);
if (i == _scripts.end()) {
// correct the path/name
LOGGER_ERROR << "unknown script '" << StringUtils::correctPath(name) << "'";
return scope.Close(v8::Undefined());
}
v8::Handle<v8::Value> result = TRI_ExecuteJavaScriptString(context,
v8::String::New(i->second.c_str()),
v8::String::New(name.c_str()),
false);
if (tryCatch.HasCaught()) {
TRI_LogV8Exception(&tryCatch);
return scope.Close(v8::Undefined());
}
return scope.Close(result);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief loads a named script
////////////////////////////////////////////////////////////////////////////////
bool JSLoader::loadScript (v8::Persistent<v8::Context> context, string const& name) {
v8::HandleScope scope;
v8::TryCatch tryCatch;
findScript(name);
map<string, string>::iterator i = _scripts.find(name);
if (i == _scripts.end()) {
// correct the path/name
LOGGER_ERROR << "unknown script '" << StringUtils::correctPath(name) << "'";
return false;
}
TRI_ExecuteJavaScriptString(context,
v8::String::New(i->second.c_str()),
v8::String::New(name.c_str()),
false);
if (tryCatch.HasCaught()) {
TRI_LogV8Exception(&tryCatch);
return false;
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief loads all scripts
////////////////////////////////////////////////////////////////////////////////
bool JSLoader::loadAllScripts (v8::Persistent<v8::Context> context) {
v8::HandleScope scope;
v8::TryCatch tryCatch;
if (_directory.empty()) {
return true;
}
vector<string> parts = getDirectoryParts();
bool result = true;
for (size_t i = 0; i < parts.size(); i++) {
result &= TRI_ExecuteGlobalJavaScriptDirectory(parts.at(i).c_str());
}
return result;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief loads a named script
////////////////////////////////////////////////////////////////////////////////
bool JSLoader::executeScript (v8::Persistent<v8::Context> context, string const& name) {
v8::HandleScope scope;
v8::TryCatch tryCatch;
findScript(name);
map<string, string>::iterator i = _scripts.find(name);
if (i == _scripts.end()) {
return false;
}
string content = "(function() { " + i->second + "/* end-of-file '" + name + "' */ })()";
TRI_ExecuteJavaScriptString(context,
v8::String::New(content.c_str()),
v8::String::New(name.c_str()),
false);
if (! tryCatch.HasCaught()) {
TRI_LogV8Exception(&tryCatch);
return false;
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief executes all scripts
////////////////////////////////////////////////////////////////////////////////
bool JSLoader::executeAllScripts (v8::Persistent<v8::Context> context) {
v8::HandleScope scope;
v8::TryCatch tryCatch;
bool ok;
if (_directory.empty()) {
return true;
}
ok = TRI_ExecuteLocalJavaScriptDirectory(_directory.c_str());
return ok;
}
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// Local Variables:
// mode: outline-minor
// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}\\)"
// End: