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< li class = "navelem" > < a class = "el" href = "dir_b28d62efa98f86b8b0fb08cf5c9b238d.html" > include< / a > < / li > < / ul >
2015-11-05 19:36:26 +01:00
< / div >
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< div class = "header" >
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< div class = "title" > csv_parser.h< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< a href = "csv__parser_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2015. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Redistribution and use in source and binary forms, with or without< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // modification, are permitted provided that the following conditions are met:< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > // * Redistributions of source code must retain the above copyright notice,< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > // this list of conditions and the following disclaimer.< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // * Redistributions in binary form must reproduce the above copyright notice,< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // this list of conditions and the following disclaimer in the documentation< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // and/or other materials provided with the distribution.< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS " AS IS" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "comment" > // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE< / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "comment" > // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE< / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "comment" > // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE< / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "comment" > // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR< / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "comment" > // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF< / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "comment" > // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > // POSSIBILITY OF SUCH DAMAGE.< / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "comment" > // Author: ryan.latture@gmail.com (Ryan Latture)< / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "preprocessor" > #ifndef CSV_PARSER_H< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "preprocessor" > #define CSV_PARSER_H< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "preprocessor" > #include < boost/format.hpp> < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "preprocessor" > #include < boost/tokenizer.hpp> < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "preprocessor" > #include < cstdlib> < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "preprocessor" > #include < exception> < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "preprocessor" > #include < fstream> < / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "preprocessor" > #include < iomanip> < / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "preprocessor" > #include < iostream> < / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "preprocessor" > #include < sstream> < / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespacefea.html" > fea< / a > {< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "namespacefea.html#a939c98c33c7d1076d1e9feed06b9b753" > 48< / a > < / span >   std::istream & < a class = "code" href = "namespacefea.html#a939c98c33c7d1076d1e9feed06b9b753" > operator> > < / a > (std::istream & ins, std::vector< T> & record) {< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // make sure that the returned record contains only the stuff we read now< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   record.clear();< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > // read the entire line into a string (a CSV record is terminated by a newline)< / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   std::string line;< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   std::getline(ins, line);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   std::string empty;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   std::string separator_characters(< span class = "stringliteral" > " , \t" < / span > );< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   boost::escaped_list_separator< char> separators(empty, separator_characters, empty);< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   boost::tokenizer< boost::escaped_list_separator< char> > tk(line, separators);< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > for< / span > (boost::tokenizer< boost::escaped_list_separator< char> > ::iterator i(tk.begin()); i != tk.end(); ++i) {< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   T f = std::strtod(i-> c_str(), 0);< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   record.push_back(f);< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   }< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keywordflow" > return< / span > ins;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   }< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > < a class = "line" href = "namespacefea.html#ac34163f744a2b10263263c4a4d4ba7d4" > 75< / a > < / span >   < span class = "keyword" > inline< / span > std::istream & < a class = "code" href = "namespacefea.html#a939c98c33c7d1076d1e9feed06b9b753" > operator> > < / a > (std::istream & ins, std::vector< std::vector< T> > & data) {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // make sure that the returned data only contains the CSV data we read here< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   data.clear();< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > // For every record we can read from the file, append it to our resulting data< / span > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   std::vector< T> record;< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > while< / span > (ins > > record) {< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   data.push_back(record);< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   }< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > // Again, return the argument stream as required for this kind of input stream overload.< / span > < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordflow" > return< / span > ins;< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   }< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > < a class = "line" href = "classfea_1_1_c_s_v_parser.html" > 93< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "classfea_1_1_c_s_v_parser.html" > CSVParser< / a > {< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > < a class = "line" href = "classfea_1_1_c_s_v_parser.html#a4c3a97a78d9ad2254eeb2682e8fa4070" > 103< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classfea_1_1_c_s_v_parser.html#a4c3a97a78d9ad2254eeb2682e8fa4070" > parseToVector< / a > (std::string filename, std::vector< T> & data) {< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   std::ifstream infile;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   infile.open(filename);< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordflow" > if< / span > (infile.is_open()) {< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > try< / span > {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   infile > > data;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   }< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > catch< / span > (std::exception & e) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > throw< / span > std::runtime_error(< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   (boost::format(< span class = "stringliteral" > " Error when parsing csv file %s.\nDetails from tokenizer:\n\t%s" < / span > ) %< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   filename % e.what()).str()< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   );< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   }< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   infile.close();< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   }< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordflow" > throw< / span > std::runtime_error(< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   (boost::format(< span class = "stringliteral" > " Error opening file %s" < / span > ) % filename).str()< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   );< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   }< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   }< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
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< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keyword" > const< / span > std::string & delimiter) {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   std::ofstream output_file;< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   output_file.open(filename);< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "keywordtype" > size_t< / span > num_cols;< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keywordflow" > if< / span > (!output_file.is_open()) {< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > throw< / span > std::runtime_error(< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   (boost::format(< span class = "stringliteral" > " Error opening file %s" < / span > ) % filename).str()< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   );< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   }< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordflow" > else< / span > {< / div >
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< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   num_cols = data[i].size();< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < num_cols; ++j) {< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   output_file < < std::fixed < < std::setprecision(precision) < < data[i][j];< / div >
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< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   output_file < < delimiter;< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   }< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   }< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   output_file < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   }< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   output_file.close();< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   }< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   }< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   };< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   } < span class = "comment" > // namespace fea< / span > < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "preprocessor" > #endif //CSV_PARSER_H< / span > < / div >
< div class = "ttc" id = "classfea_1_1_c_s_v_parser_html_a249d913f7e14f3946e376e2c7b346576" > < div class = "ttname" > < a href = "classfea_1_1_c_s_v_parser.html#a249d913f7e14f3946e376e2c7b346576" > fea::CSVParser::write< / a > < / div > < div class = "ttdeci" > void write(const std::string & filename, const std::vector< std::vector< T > > & data, unsigned int precision, const std::string & delimiter)< / div > < div class = "ttdef" > < b > Definition:< / b > csv_parser.h:137< / div > < / div >
< div class = "ttc" id = "classfea_1_1_c_s_v_parser_html_a4c3a97a78d9ad2254eeb2682e8fa4070" > < div class = "ttname" > < a href = "classfea_1_1_c_s_v_parser.html#a4c3a97a78d9ad2254eeb2682e8fa4070" > fea::CSVParser::parseToVector< / a > < / div > < div class = "ttdeci" > void parseToVector(std::string filename, std::vector< T > & data)< / div > < div class = "ttdoc" > parses the contents of file_name into data. < / div > < div class = "ttdef" > < b > Definition:< / b > csv_parser.h:103< / div > < / div >
< div class = "ttc" id = "namespacefea_html_a939c98c33c7d1076d1e9feed06b9b753" > < div class = "ttname" > < a href = "namespacefea.html#a939c98c33c7d1076d1e9feed06b9b753" > fea::operator> > < / a > < / div > < div class = "ttdeci" > std::istream & operator> > (std::istream & ins, std::vector< T > & record)< / div > < div class = "ttdef" > < b > Definition:< / b > csv_parser.h:48< / div > < / div >
< div class = "ttc" id = "classfea_1_1_c_s_v_parser_html" > < div class = "ttname" > < a href = "classfea_1_1_c_s_v_parser.html" > fea::CSVParser< / a > < / div > < div class = "ttdoc" > Reads data from a csv file into an std::vector and writes the contents of an std::vector to a file...< / div > < div class = "ttdef" > < b > Definition:< / b > csv_parser.h:93< / div > < / div >
< div class = "ttc" id = "namespacefea_html" > < div class = "ttname" > < a href = "namespacefea.html" > fea< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > containers.h:41< / div > < / div >
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