Line data    Source code

       1             : /*************************************************************************
       2             :  *
       3             :  * Copyright (c) 2010-2012 Kohei Yoshida
       4             :  *
       5             :  * Permission is hereby granted, free of charge, to any person
       6             :  * obtaining a copy of this software and associated documentation
       7             :  * files (the "Software"), to deal in the Software without
       8             :  * restriction, including without limitation the rights to use,
       9             :  * copy, modify, merge, publish, distribute, sublicense, and/or sell
      10             :  * copies of the Software, and to permit persons to whom the
      11             :  * Software is furnished to do so, subject to the following
      12             :  * conditions:
      13             :  *
      14             :  * The above copyright notice and this permission notice shall be
      15             :  * included in all copies or substantial portions of the Software.
      16             :  *
      17             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
      18             :  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
      19             :  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
      20             :  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
      21             :  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
      22             :  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      23             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      24             :  * OTHER DEALINGS IN THE SOFTWARE.
      25             :  *
      26             :  ************************************************************************/
      27             : 
      28             : #include "orcus/orcus_gnumeric.hpp"
      29             : #include "orcus/xml_parser.hpp"
      30             : #include "orcus/gnumeric/gnumeric_handler.hpp"
      31             : #include "orcus/gnumeric/gnumeric_tokens.hpp"
      32             : 
      33             : #include <zlib.h>
      34             : 
      35             : #include <cstdlib>
      36             : #include <iostream>
      37             : #include <fstream>
      38             : #include <vector>
      39             : #include <sstream>
      40             : #include <string>
      41             : 
      42             : #include <boost/scoped_ptr.hpp>
      43             : 
      44             : using namespace std;
      45             : 
      46             : #define BUFFER_LENGTH 0x2000
      47             : 
      48             : namespace orcus {
      49             : 
      50           0 : orcus_gnumeric::orcus_gnumeric(spreadsheet::iface::import_factory* factory) :
      51           0 :     mp_factory(factory)
      52             : {
      53           0 : }
      54             : 
      55           0 : orcus_gnumeric::~orcus_gnumeric()
      56             : {
      57           0 : }
      58             : 
      59           0 : void orcus_gnumeric::read_content_xml(const char* p, size_t size)
      60             : {
      61           0 :     xml_stream_parser parser(gnumeric_tokens, p, size, "content.xml");
      62             :     ::boost::scoped_ptr<gnumeric_content_xml_handler> handler(
      63           0 :         new gnumeric_content_xml_handler(gnumeric_tokens, mp_factory));
      64           0 :     parser.set_handler(handler.get());
      65           0 :     parser.parse();
      66           0 : }
      67             : 
      68           0 : void orcus_gnumeric::read_file(const char *fpath)
      69             : {
      70           0 :     cout << "reading " << fpath << endl;
      71             : 
      72           0 :     gzFile file = gzopen(fpath, "rb");
      73             : 
      74           0 :     if (!file)
      75           0 :         return;
      76             : 
      77             :     std::string file_content;
      78             : 
      79           0 :     while (true)
      80             :     {
      81             :         char buffer[BUFFER_LENGTH];
      82           0 :         int read_characters = gzread(file, buffer, BUFFER_LENGTH);
      83           0 :         if (read_characters < 0)
      84             :         {
      85           0 :             std::cout << "Read error" << std::endl;
      86             :             break;
      87             :         }
      88             : 
      89           0 :         file_content.append(buffer, read_characters);
      90           0 :         if (read_characters < BUFFER_LENGTH)
      91             :         {
      92           0 :             if (gzeof(file))
      93             :                 break;
      94             :             else
      95             :             {
      96             :                 const char *error;
      97             :                 int err;
      98           0 :                 error = gzerror(file, &err);
      99           0 :                 std::cout << "error: " << error << std::endl;
     100             :             }
     101             :         }
     102             :     }
     103             : 
     104           0 :     read_content_xml(file_content.c_str(), file_content.length());
     105             : }
     106             : 
     107          24 : }