svl/source/misc/gridprinter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <svl/gridprinter.hxx>
  11 #include <rtl/ustrbuf.hxx>
  12
  13 #include <mdds/multi_type_vector_types.hpp>
  14 #include <mdds/multi_type_vector_trait.hpp>
  15 #include <mdds/multi_type_vector_custom_func1.hpp>
  16 #include <mdds/multi_type_matrix.hpp>
  17
  18 #include <iostream>
  19
  20 using namespace std;
  21
  22 namespace svl {
  23
  24 // String ID
  25 const mdds::mtv::element_t element_type_string = mdds::mtv::element_type_user_start;
  26 // String block
  27 typedef mdds::mtv::default_element_block<element_type_string, OUString> string_block;
  28
  29 struct custom_string_trait
  30 {
  31     typedef OUString string_type;
  32     typedef string_block string_element_block;
  33
  34     static const mdds::mtv::element_t string_type_identifier = element_type_string;
  35
  36     typedef mdds::mtv::custom_block_func1<string_block> element_block_func;
  37 };
  38
  39 }
  40
  41 namespace rtl {
  42
  43 // Callbacks for the string block. This needs to be in the same namespace as
  44 // OUString for argument dependent lookup.
  45 MDDS_MTV_DEFINE_ELEMENT_CALLBACKS(OUString, svl::element_type_string, OUString(), svl::string_block)
  46
  47 }
  48
  49 namespace svl {
  50
  51 typedef mdds::multi_type_matrix<custom_string_trait> MatrixImplType;
  52
  53 struct GridPrinter::Impl
  54 {
  55     MatrixImplType maMatrix;
  56     bool mbPrint;
  57
  58     Impl( size_t nRows, size_t nCols, bool bPrint ) :
  59         maMatrix(nRows, nCols, OUString()), mbPrint(bPrint) {}
  60 };
  61
  62 GridPrinter::GridPrinter( size_t nRows, size_t nCols, bool bPrint ) :
  63     mpImpl(new Impl(nRows, nCols, bPrint)) {}
  64
  65 GridPrinter::~GridPrinter()
  66 {
  67     delete mpImpl;
  68 }
  69
  70 void GridPrinter::set( size_t nRow, size_t nCol, const OUString& rStr )
  71 {
  72     mpImpl->maMatrix.set(nRow, nCol, rStr);
  73 }
  74
  75 void GridPrinter::print( const char* pHeader ) const
  76 {
  77     if (!mpImpl->mbPrint)
  78         return;
  79
  80     if (pHeader)
  81         cout << pHeader << endl;
  82
  83     MatrixImplType::size_pair_type ns = mpImpl->maMatrix.size();
  84     vector<sal_Int32> aColWidths(ns.column, 0);
  85
  86     // Calculate column widths first.
  87     for (size_t row = 0; row < ns.row; ++row)
  88     {
  89         for (size_t col = 0; col < ns.column; ++col)
  90         {
  91             OUString aStr = mpImpl->maMatrix.get_string(row, col);
  92             if (aColWidths[col] < aStr.getLength())
  93                 aColWidths[col] = aStr.getLength();
  94         }
  95     }
  96
  97     // Make the row separator string.
  98     OUStringBuffer aBuf;
  99     aBuf.appendAscii("+");
 100     for (size_t col = 0; col < ns.column; ++col)
 101     {
 102         aBuf.appendAscii("-");
 103         for (sal_Int32 i = 0; i < aColWidths[col]; ++i)
 104             aBuf.append(sal_Unicode('-'));
 105         aBuf.appendAscii("-+");
 106     }
 107
 108     OUString aSep = aBuf.makeStringAndClear();
 109
 110     // Now print to stdout.
 111     cout << aSep << endl;
 112     for (size_t row = 0; row < ns.row; ++row)
 113     {
 114         cout << "| ";
 115         for (size_t col = 0; col < ns.column; ++col)
 116         {
 117             OUString aStr = mpImpl->maMatrix.get_string(row, col);
 118             size_t nPadding = aColWidths[col] - aStr.getLength();
 119             aBuf.append(aStr);
 120             for (size_t i = 0; i < nPadding; ++i)
 121                 aBuf.append(sal_Unicode(' '));
 122             cout << aBuf.makeStringAndClear() << " | ";
 123         }
 124         cout << endl;
 125         cout << aSep << endl;
 126     }
 127 }
 128
 129 }
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */