PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // FileDictionary.cc 00004 // 00005 // Copyright (C) 2004 Hugo Larochelle, Christopher Kermorvant 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: FileDictionary.cc 6338 2006-10-23 20:33:09Z larocheh $ 00037 ******************************************************* */ 00038 00039 // Authors: Hugo Larochelle, Christopher Kermorvant 00040 00044 #include "FileDictionary.h" 00045 00046 namespace PLearn { 00047 using namespace std; 00048 00049 FileDictionary::FileDictionary():inherited(){} 00050 00051 FileDictionary::FileDictionary(string file_name, bool up_mode) 00052 { 00053 setUpdateMode(up_mode); 00054 file_name_dict=file_name; 00055 build_(); 00056 } 00057 00058 PLEARN_IMPLEMENT_OBJECT(FileDictionary, 00059 "Dictionary instantiated from a file", 00060 "This class simply permits the instantiation of a Dictionary from a file that contains a list of symbols.\n" 00061 "Each line of the file should be a symbol to be inserted in the dictionary.\n" 00062 "Blanks are removed at the beginning and end of every line.\n"); 00063 00064 void FileDictionary::declareOptions(OptionList& ol) 00065 { 00066 declareOption(ol, "file_name_dict", 00067 &FileDictionary::file_name_dict, 00068 OptionBase::buildoption, 00069 "File name for the dictionary"); 00070 inherited::declareOptions(ol); 00071 } 00072 00073 void FileDictionary::build_() 00074 { 00075 //initial building 00076 if(size() == 0) // Verifying if dictionary is new 00077 { 00078 // save update mode for later 00079 int saved_up_mode=update_mode; 00080 // set the dictionary in update mode to insert the words 00081 update_mode = UPDATE; 00082 string line; 00083 ifstream ifs(file_name_dict.c_str()); 00084 if (!ifs) PLERROR("Cannot open file %s", file_name_dict.c_str()); 00085 while(!ifs.eof()){ 00086 getline(ifs, line, '\n'); 00087 if(line == "") continue; 00088 getId(removeblanks(line)); 00089 } 00090 ifs.close(); 00091 // restore update mode; 00092 update_mode=saved_up_mode; 00093 } 00094 } 00095 00096 // ### Nothing to add here, simply calls build_ 00097 void FileDictionary::build() 00098 { 00099 inherited::build(); 00100 build_(); 00101 } 00102 00103 void FileDictionary::makeDeepCopyFromShallowCopy(CopiesMap& copies) 00104 { 00105 inherited::makeDeepCopyFromShallowCopy(copies); 00106 } 00107 00108 } // end of namespace PLearn 00109 00110 00111 /* 00112 Local Variables: 00113 mode:c++ 00114 c-basic-offset:4 00115 c-file-style:"stroustrup" 00116 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00117 indent-tabs-mode:nil 00118 fill-column:79 00119 End: 00120 */ 00121 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :