// Copyright 2010, Google Inc. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // 3. Neither the name of Google Inc. nor the names of its contributors may be // used to endorse or promote products derived from this software without // specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // This file contains the declaration of the CsvSplitter class. #ifndef KML_BASE_CSV_SPLITTER_H__ #define KML_BASE_CSV_SPLITTER_H__ #include "kml/base/string_util.h" #include "kml/base/util.h" namespace kmlbase { // This class iterates over a string buffer CSV data. Basic usage: // const string csv_data = get-csv-data // CsvSplitter csv_splitter(csv_data); // StringVector csv_line; // while (csv_splitter.SplitCurrentLine(&csv_line)) { // ...process the csv_line.. // csv_line.clear(); // } // Note that the methods are virtual to permit overriding in a subclass. class CsvSplitter { public: CsvSplitter(const string& csv_data); virtual ~CsvSplitter(); // Find the start of the next line and the end of this line if requested. // string::npos is returned if there is no next line. A line ending is // \n or \r or both. virtual size_t FindNextLine(size_t* this_end) const; // This splits the current line of CSV data into the given StringVector and // uses FindNextLine() to advance to the next line if there is one. True // is returned if there is a next line. virtual bool SplitCurrentLine(StringVector* cols); protected: const string csv_data_; size_t current_line_; LIBKML_DISALLOW_EVIL_CONSTRUCTORS(CsvSplitter); }; } // end namespace kmlbase #endif // KML_BASE_CSV_SPLITTER_H__