PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // PyPLearnScript.h 00004 // 00005 // Copyright (C) 2005 Christian Dorion 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: PyPLearnScript.h 10191 2009-05-07 17:08:25Z nouiz $ 00037 ******************************************************* */ 00038 00039 // Authors: Christian Dorion 00040 00044 #ifndef PyPLearnScript_INC 00045 #define PyPLearnScript_INC 00046 00047 #include <plearn/base/Object.h> 00048 #include <plearn/io/PPath.h> 00049 #include <plearn/io/openString.h> 00050 #include <vector> 00051 00052 namespace PLearn { 00053 00054 class PyPLearnScript: public Object 00055 { 00056 public: 00057 // STATIC METHODS 00058 00059 // Althouth 'pyplearn_driver.py' is supposed to be in the path, it cannot be 00060 // executed by NSPR under Windows. Thus we have to give it to the Python 00061 // executable, which will need the full path to correctly run the script. 00062 #ifdef WIN32 00063 #define PYPLEARN_DRIVER_PATH \ 00064 PPath("PLEARNDIR:scripts/pyplearn_driver.py").absolute() 00065 #else 00066 #define PYPLEARN_DRIVER_PATH "pyplearn_driver.py" 00067 #endif 00068 00077 static PP<PyPLearnScript> process( 00078 const std::string& filename, 00079 const std::vector<std::string>& args = std::vector<std::string>(), 00080 const std::string& drivername = PYPLEARN_DRIVER_PATH ); 00081 00086 static PStream openScriptFile( 00087 int argc, char** argv, 00088 const std::string& drivername = PYPLEARN_DRIVER_PATH ); 00089 00096 template<class Obj> 00097 static PP<Obj> load( 00098 const std::string& filename, 00099 const std::vector<std::string>& args = std::vector<std::string>(), 00100 const std::string& drivername = PYPLEARN_DRIVER_PATH ) 00101 { 00102 PP<PyPLearnScript> script = PyPLearnScript::process(filename, args, drivername); 00103 00104 string plearn_script_string = script->plearn_script; 00105 PStream in = openString( plearn_script_string, PStream::plearn_ascii ); 00106 PP<Obj> o = new Obj(); 00107 in >> o; 00108 00109 return o; 00110 } 00111 00112 00113 private: 00114 typedef Object inherited; 00115 00117 void build_(); 00118 00119 protected: 00121 static void declareOptions(OptionList& ol); 00122 00123 public: 00124 00125 // ************************ 00126 // * public build options * 00127 // ************************ 00128 00130 std::string plearn_script; 00131 00133 std::map<std::string, std::string> vars; 00134 00136 bool do_help; 00137 00139 bool do_dump; 00140 00145 std::string metainfos; 00146 00148 PPath expdir; 00149 00151 int verbosity; 00152 00154 vector<string> module_names; 00155 00156 // **************** 00157 // * Constructors * 00158 // **************** 00159 00161 PyPLearnScript(); 00162 00164 virtual void run(); 00165 00167 const string& getScript() { return plearn_script; } 00168 00170 void close(); 00171 00172 // Declares other standard object methods. 00173 PLEARN_DECLARE_OBJECT(PyPLearnScript); 00174 00175 // simply calls inherited::build() then build_() 00176 virtual void build(); 00177 00179 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00180 }; 00181 00182 // Declares a few other classes and functions related to this class 00183 DECLARE_OBJECT_PTR(PyPLearnScript); 00184 00185 00196 Object* smartLoadObject(PPath filepath, const vector<string>& args, time_t& return_date); 00197 00199 inline Object* smartLoadObject(PPath filepath, const vector<string>& args) 00200 { time_t d=0; return smartLoadObject(filepath, args, d); } 00202 inline Object* smartLoadObject(PPath filepath, time_t& return_date) 00203 { vector<string> args; args.push_back("");/* empty script filename*/ return smartLoadObject(filepath, args,return_date); } 00206 inline Object* smartLoadObject(PPath filepath) 00207 {time_t d=0;return smartLoadObject(filepath, d);} 00208 00209 00210 } // end of namespace PLearn 00211 00212 #endif 00213 00214 00215 /* 00216 Local Variables: 00217 mode:c++ 00218 c-basic-offset:4 00219 c-file-style:"stroustrup" 00220 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00221 indent-tabs-mode:nil 00222 fill-column:79 00223 End: 00224 */ 00225 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :