mirror of https://gitee.com/bigwinds/arangodb
200 lines
6.4 KiB
C++
200 lines
6.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief source code loader
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "ScriptLoader.h"
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#include "Basics/MutexLocker.h"
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#include "BasicsC/files.h"
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#include "BasicsC/strings.h"
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#include "Basics/StringUtils.h"
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#include "Logger/Logger.h"
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using namespace std;
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using namespace triagens::basics;
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using namespace triagens::arango;
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ArangoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructs a loader
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////////////////////////////////////////////////////////////////////////////////
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ScriptLoader::ScriptLoader ()
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: _scripts(),
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_directory(),
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_lock() {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ArangoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the directory for scripts
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////////////////////////////////////////////////////////////////////////////////
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string const& ScriptLoader::getDirectory () const {
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return _directory;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief sets the directory for scripts
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////////////////////////////////////////////////////////////////////////////////
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void ScriptLoader::setDirectory (string const& directory) {
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MUTEX_LOCKER(_lock);
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_directory = directory;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief defines a new named script
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////////////////////////////////////////////////////////////////////////////////
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void ScriptLoader::defineScript (string const& name, string const& script) {
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MUTEX_LOCKER(_lock);
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_scripts[name] = script;
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}
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void ScriptLoader::defineScript (const string& name, const char** script) {
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string scriptString;
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MUTEX_LOCKER(_lock);
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while (true) {
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string tempStr = string(*script);
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if (tempStr == "//__end__") {
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break;
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}
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scriptString += tempStr + "\n";
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++script;
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}
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_scripts[name] = scriptString;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief finds a named script
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////////////////////////////////////////////////////////////////////////////////
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string const& ScriptLoader::findScript (string const& name) {
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MUTEX_LOCKER(_lock);
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static string empty = "";
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map<string, string>::iterator i = _scripts.find(name);
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if (i != _scripts.end()) {
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return i->second;
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}
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if (! _directory.empty()) {
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vector<string> parts = getDirectoryParts();
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for (size_t i = 0; i < parts.size(); i++) {
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char* filename = TRI_Concatenate2File(parts.at(i).c_str(), name.c_str());
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char* result = TRI_SlurpFile(TRI_CORE_MEM_ZONE, filename);
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if (result == 0 && (i == parts.size() - 1)) {
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LOGGER_ERROR << "cannot locate file '" << name.c_str() << "': " << TRI_last_error();
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}
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TRI_FreeString(TRI_CORE_MEM_ZONE, filename);
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if (result != 0) {
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_scripts[name] = result;
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TRI_FreeString(TRI_CORE_MEM_ZONE, result);
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return _scripts[name];
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}
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}
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}
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return empty;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- protected methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ArangoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets a list of all specified directory parts
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////////////////////////////////////////////////////////////////////////////////
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vector<string> ScriptLoader::getDirectoryParts () {
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vector<string> directories;
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if (! _directory.empty()) {
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TRI_vector_string_t parts = TRI_Split2String(_directory.c_str(), ":;");
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for (size_t i = 0; i < parts._length; i++) {
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string part = StringUtils::trim(parts._buffer[i]);
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if (! part.empty()) {
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directories.push_back(part);
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}
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}
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TRI_DestroyVectorString(&parts);
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}
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return directories;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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