l10ntools/source/helper.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 <sal/config.h>
  11
  12 #include <o3tl/safeint.hxx>
  13
  14 #include <helper.hxx>
  15
  16 namespace helper {
  17
  18 OString escapeAll(
  19     const OString& rText, const OString& rUnEscaped, const OString& rEscaped )
  20 {
  21     assert( rEscaped.getLength() == 2*rUnEscaped.getLength() );
  22     OStringBuffer sReturn;
  23     for ( sal_Int32 nIndex = 0; nIndex < rText.getLength(); ++nIndex )
  24     {
  25         sal_Int32 nUnEscapedOne = rUnEscaped.indexOf(rText[nIndex]);
  26         if( nUnEscapedOne != -1 )
  27         {
  28             sReturn.append(rEscaped.subView(nUnEscapedOne*2,2));
  29         }
  30         else
  31             sReturn.append(rText[nIndex]);
  32     }
  33     return sReturn.makeStringAndClear();
  34 }
  35
  36
  37 OString unEscapeAll(
  38     const OString& rText, const OString& rEscaped, std::string_view rUnEscaped)
  39 {
  40     assert( o3tl::make_unsigned(rEscaped.getLength()) == 2*rUnEscaped.length() );
  41     OStringBuffer sReturn;
  42     const sal_Int32 nLength = rText.getLength();
  43     for ( sal_Int32 nIndex = 0; nIndex < nLength; ++nIndex )
  44     {
  45         if( rText[nIndex] == '\\' && nIndex+1 < nLength )
  46         {
  47             sal_Int32 nEscapedOne = rEscaped.indexOf(rText.subView(nIndex,2));
  48             if( nEscapedOne != -1 )
  49             {
  50                 sReturn.append(rUnEscaped[nEscapedOne/2]);
  51                 ++nIndex;
  52             }
  53             else
  54             {
  55                 sReturn.append(rText[nIndex]);
  56             }
  57         }
  58         else
  59             sReturn.append(rText[nIndex]);
  60     }
  61     return sReturn.makeStringAndClear();
  62 }
  63
  64
  65 OString QuotHTML(const OString &rString)
  66 {
  67     OStringBuffer sReturn;
  68     for (sal_Int32 i = 0; i < rString.getLength(); ++i)
  69     {
  70         switch (rString[i])
  71         {
  72         case '<':
  73             sReturn.append("&lt;");
  74             break;
  75         case '>':
  76             sReturn.append("&gt;");
  77             break;
  78         case '"':
  79             sReturn.append("&quot;");
  80             break;
  81         case '\'':
  82             sReturn.append("&apos;");
  83             break;
  84         case '&':
  85             if (rString.match("&amp;", i))
  86                 sReturn.append('&');
  87             else
  88                 sReturn.append("&amp;");
  89             break;
  90         default:
  91             sReturn.append(rString[i]);
  92             break;
  93         }
  94     }
  95     return sReturn.makeStringAndClear();
  96 }
  97
  98 OString UnQuotHTML( const OString& rString )
  99 {
 100     OStringBuffer sReturn;
 101     for (sal_Int32 i = 0; i != rString.getLength();) {
 102         if (rString.match("&amp;", i)) {
 103             sReturn.append('&');
 104             i += RTL_CONSTASCII_LENGTH("&amp;");
 105         } else if (rString.match("&lt;", i)) {
 106             sReturn.append('<');
 107             i += RTL_CONSTASCII_LENGTH("&lt;");
 108         } else if (rString.match("&gt;", i)) {
 109             sReturn.append('>');
 110             i += RTL_CONSTASCII_LENGTH("&gt;");
 111         } else if (rString.match("&quot;", i)) {
 112             sReturn.append('"');
 113             i += RTL_CONSTASCII_LENGTH("&quot;");
 114         } else if (rString.match("&apos;", i)) {
 115             sReturn.append('\'');
 116             i += RTL_CONSTASCII_LENGTH("&apos;");
 117         } else {
 118             sReturn.append(rString[i]);
 119             ++i;
 120         }
 121     }
 122     return sReturn.makeStringAndClear();
 123 }
 124
 125 bool isWellFormedXML( std::string_view text )
 126 {
 127     xmlDocPtr doc;
 128     bool result = true;
 129
 130     OString content = OString::Concat("<root>") + text + "</root>";
 131     doc = xmlParseMemory(content.getStr(),static_cast<int>(content.getLength()));
 132     if (doc == nullptr) {
 133         result = false;
 134     }
 135     xmlFreeDoc(doc);
 136     xmlCleanupParser();
 137     return result;
 138 }
 139
 140 //Convert xmlChar* to OString
 141 OString xmlStrToOString( const xmlChar* pString )
 142 {
 143     xmlChar* pTemp = xmlStrdup( pString );
 144     OString sResult = reinterpret_cast<char*>( pTemp );
 145     xmlFree( pTemp );
 146     return sResult;
 147 }
 148
 149 }
 150
 151 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */