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/macro.hpp>
  15 #include <mdds/multi_type_matrix.hpp>
  16
  17 #include <iostream>
  18
  19 namespace svl {
  20
  21 // String ID
  22 const mdds::mtv::element_t element_type_string = mdds::mtv::element_type_user_start;
  23 // String block
  24 typedef mdds::mtv::default_element_block<element_type_string, OUString> string_block;
  25
  26 namespace {
  27
  28 struct matrix_traits
  29 {
  30     typedef string_block string_element_block;
  31     typedef mdds::mtv::uint16_element_block integer_element_block;
  32 };
  33
  34 }
  35
  36 }
  37
  38 namespace rtl {
  39
  40 // Callbacks for the string block. This needs to be in the same namespace as
  41 // OUString for argument dependent lookup.
  42 MDDS_MTV_DEFINE_ELEMENT_CALLBACKS(OUString, svl::element_type_string, OUString(), svl::string_block)
  43
  44 }
  45
  46 namespace svl {
  47
  48 typedef mdds::multi_type_matrix<matrix_traits> MatrixImplType;
  49
  50 struct GridPrinter::Impl
  51 {
  52     MatrixImplType maMatrix;
  53     bool mbPrint;
  54
  55     Impl( size_t nRows, size_t nCols, bool bPrint ) :
  56         maMatrix(nRows, nCols, OUString()), mbPrint(bPrint) {}
  57 };
  58
  59 GridPrinter::GridPrinter( size_t nRows, size_t nCols, bool bPrint ) :
  60     mpImpl(new Impl(nRows, nCols, bPrint)) {}
  61
  62 GridPrinter::~GridPrinter()
  63 {
  64 }
  65
  66 void GridPrinter::set( size_t nRow, size_t nCol, const OUString& rStr )
  67 {
  68 #if defined __GNUC__ && !defined __clang__ && __GNUC__ == 12 && __cplusplus == 202002L
  69 #pragma GCC diagnostic push
  70 #pragma GCC diagnostic ignored "-Warray-bounds"
  71 #endif
  72     mpImpl->maMatrix.set(nRow, nCol, rStr);
  73 #if defined __GNUC__ && !defined __clang__ && __GNUC__ == 12 && __cplusplus == 202002L
  74 #pragma GCC diagnostic pop
  75 #endif
  76 }
  77
  78 void GridPrinter::print( const char* pHeader ) const
  79 {
  80     if (!mpImpl->mbPrint)
  81         return;
  82
  83     if (pHeader)
  84         std::cout << pHeader << std::endl;
  85
  86     MatrixImplType::size_pair_type ns = mpImpl->maMatrix.size();
  87     std::vector<sal_Int32> aColWidths(ns.column, 0);
  88
  89     // Calculate column widths first.
  90     for (size_t row = 0; row < ns.row; ++row)
  91     {
  92         for (size_t col = 0; col < ns.column; ++col)
  93         {
  94             OUString aStr = mpImpl->maMatrix.get_string(row, col);
  95             if (aColWidths[col] < aStr.getLength())
  96                 aColWidths[col] = aStr.getLength();
  97         }
  98     }
  99
 100     // Make the row separator string.
 101     OUStringBuffer aBuf("+");
 102     for (size_t col = 0; col < ns.column; ++col)
 103     {
 104         aBuf.append("-");
 105         for (sal_Int32 i = 0; i < aColWidths[col]; ++i)
 106             aBuf.append(u'-');
 107         aBuf.append("-+");
 108     }
 109
 110     OUString aSep = aBuf.makeStringAndClear();
 111
 112     // Now print to stdout.
 113     std::cout << aSep << std::endl;
 114     for (size_t row = 0; row < ns.row; ++row)
 115     {
 116         std::cout << "| ";
 117         for (size_t col = 0; col < ns.column; ++col)
 118         {
 119             OUString aStr = mpImpl->maMatrix.get_string(row, col);
 120             size_t nPadding = aColWidths[col] - aStr.getLength();
 121             aBuf.append(aStr);
 122             for (size_t i = 0; i < nPadding; ++i)
 123                 aBuf.append(u' ');
 124             std::cout << aBuf.makeStringAndClear() << " | ";
 125         }
 126         std::cout << std::endl;
 127         std::cout << aSep << std::endl;
 128     }
 129 }
 130
 131 }
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */