svtools/source/svhtml/HtmlWriter.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
  11 #include <svtools/HtmlWriter.hxx>
  12
  13 HtmlWriter::HtmlWriter(SvStream& rStream) :
  14     mrStream(rStream),
  15     mbElementOpen(false),
  16     mbContentWritten(false),
  17     mbPrettyPrint(true),
  18     maEncoding(RTL_TEXTENCODING_UTF8)
  19 {}
  20
  21 HtmlWriter::~HtmlWriter()
  22 {}
  23
  24 void HtmlWriter::prettyPrint(bool bChoice)
  25 {
  26     mbPrettyPrint = bChoice;
  27 }
  28
  29 void HtmlWriter::start(const OString& aElement)
  30 {
  31     if (mbElementOpen)
  32     {
  33         mrStream.WriteChar('>');
  34         if (!mbContentWritten && mbPrettyPrint)
  35             mrStream.WriteChar('\n');
  36         mbContentWritten = false;
  37     }
  38     maElementStack.push_back(aElement);
  39
  40     if (mbPrettyPrint)
  41     {
  42         for(size_t i = 0; i < maElementStack.size() - 1; i++)
  43         {
  44             mrStream.WriteCharPtr("  ");
  45         }
  46     }
  47
  48     mrStream.WriteChar('<');
  49     mrStream.WriteOString(aElement);
  50     mbElementOpen = true;
  51 }
  52
  53 void HtmlWriter::single(const OString &aContent)
  54 {
  55     start(aContent);
  56     end();
  57 }
  58
  59 void HtmlWriter::endAttribute()
  60 {
  61     if (mbElementOpen)
  62     {
  63         mrStream.WriteCharPtr("/>");
  64         if (mbPrettyPrint)
  65             mrStream.WriteCharPtr("\n");
  66         mbElementOpen = false;
  67     }
  68 }
  69
  70 void HtmlWriter::flushStack()
  71 {
  72     while (!maElementStack.empty())
  73     {
  74         end();
  75     }
  76 }
  77
  78 void HtmlWriter::flushStack(const OString& aElement)
  79 {
  80     OString sCurrentElement;
  81     do
  82     {
  83         sCurrentElement = maElementStack.back();
  84         end();
  85     } while (!maElementStack.empty() && aElement != sCurrentElement);
  86 }
  87
  88 void HtmlWriter::end()
  89 {
  90     if (mbElementOpen)
  91     {
  92         mrStream.WriteCharPtr("/>");
  93         if (mbPrettyPrint)
  94             mrStream.WriteCharPtr("\n");
  95     }
  96     else
  97     {
  98         if (!mbContentWritten && mbPrettyPrint)
  99         {
 100             for(size_t i = 0; i < maElementStack.size() - 1; i++)
 101             {
 102                 mrStream.WriteCharPtr("  ");
 103             }
 104         }
 105         mrStream.WriteCharPtr("</");
 106         mrStream.WriteOString(maElementStack.back());
 107         mrStream.WriteCharPtr(">");
 108         if (mbPrettyPrint)
 109             mrStream.WriteCharPtr("\n");
 110     }
 111     maElementStack.pop_back();
 112     mbElementOpen = false;
 113     mbContentWritten = false;
 114 }
 115
 116 void HtmlWriter::write(const OString &aContent)
 117 {
 118     if (mbElementOpen)
 119     {
 120         mrStream.WriteChar('>');
 121         mbElementOpen = false;
 122     }
 123     mbContentWritten = true;
 124     mrStream.WriteOString(aContent);
 125 }
 126
 127 void HtmlWriter::attribute(const OString &aAttribute, const OString& aValue)
 128 {
 129     if (mbElementOpen && !aAttribute.isEmpty() && !aValue.isEmpty())
 130     {
 131         mrStream.WriteChar(' ');
 132         mrStream.WriteOString(aAttribute);
 133         mrStream.WriteChar('=');
 134         mrStream.WriteChar('"');
 135         mrStream.WriteOString(aValue);
 136         mrStream.WriteChar('"');
 137     }
 138 }
 139
 140 void HtmlWriter::attribute(const OString& aAttribute, const sal_Int32 aValue)
 141 {
 142     attribute(aAttribute, OString::number(aValue));
 143 }
 144
 145 void HtmlWriter::attribute(const OString& aAttribute, const char* pValue)
 146 {
 147     attribute(aAttribute, OString(pValue));
 148 }
 149
 150 void HtmlWriter::attribute(const OString& aAttribute, const OUString& aValue)
 151 {
 152     attribute(aAttribute, OUStringToOString(aValue, maEncoding));
 153 }
 154
 155 void HtmlWriter::attribute(const OString& aAttribute)
 156 {
 157     if (mbElementOpen && !aAttribute.isEmpty())
 158     {
 159         mrStream.WriteChar(' ');
 160         mrStream.WriteOString(aAttribute);
 161     }
 162 }
 163
 164
 165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */