svtools/source/svhtml/htmlsupp.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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <ctype.h>
  22 #include <comphelper/string.hxx>
  23 #include <svtools/parhtml.hxx>
  24 #include <svtools/htmltokn.h>
  25 #include <svtools/htmlkywd.hxx>
  26 #include <tools/urlobj.hxx>
  27
  28 // Table for converting option values into strings
  29 static HTMLOptionEnum const aScriptLangOptEnums[] =
  30 {
  31     { OOO_STRING_SVTOOLS_HTML_LG_starbasic, HTML_SL_STARBASIC   },
  32     { OOO_STRING_SVTOOLS_HTML_LG_javascript,    HTML_SL_JAVASCRIPT  },
  33     { OOO_STRING_SVTOOLS_HTML_LG_javascript11,HTML_SL_JAVASCRIPT    },
  34     { OOO_STRING_SVTOOLS_HTML_LG_livescript,    HTML_SL_JAVASCRIPT  },
  35     { 0,                    0                   }
  36 };
  37
  38 bool HTMLParser::ParseScriptOptions( OUString& rLangString, const OUString& rBaseURL,
  39                                      HTMLScriptLanguage& rLang,
  40                                      OUString& rSrc,
  41                                      OUString& rLibrary,
  42                                      OUString& rModule )
  43 {
  44     const HTMLOptions& aScriptOptions = GetOptions();
  45
  46     rLangString.clear();
  47     rLang = HTML_SL_JAVASCRIPT;
  48     rSrc.clear();
  49     rLibrary.clear();
  50     rModule.clear();
  51
  52     for( size_t i = aScriptOptions.size(); i; )
  53     {
  54         const HTMLOption& aOption = aScriptOptions[--i];
  55         switch( aOption.GetToken() )
  56         {
  57         case HTML_O_LANGUAGE:
  58             {
  59                 rLangString = aOption.GetString();
  60                 sal_uInt16 nLang;
  61                 if( aOption.GetEnum( nLang, aScriptLangOptEnums ) )
  62                     rLang = (HTMLScriptLanguage)nLang;
  63                 else
  64                     rLang = HTML_SL_UNKNOWN;
  65             }
  66             break;
  67
  68         case HTML_O_SRC:
  69             rSrc = INetURLObject::GetAbsURL( rBaseURL, aOption.GetString() );
  70             break;
  71         case HTML_O_SDLIBRARY:
  72             rLibrary = aOption.GetString();
  73             break;
  74
  75         case HTML_O_SDMODULE:
  76             rModule = aOption.GetString();
  77             break;
  78         }
  79     }
  80
  81     return true;
  82 }
  83
  84 void HTMLParser::RemoveSGMLComment( OUString &rString, bool bFull )
  85 {
  86     sal_Unicode c = 0;
  87     while( !rString.isEmpty() &&
  88            ( ' '==(c=rString[0]) || '\t'==c || '\r'==c || '\n'==c ) )
  89         rString = rString.copy( 1, rString.getLength() - 1 );
  90
  91     while( !rString.isEmpty() &&
  92            ( ' '==(c=rString[rString.getLength()-1])
  93            || '\t'==c || '\r'==c || '\n'==c ) )
  94         rString = rString.copy( 0, rString.getLength()-1 );
  95
  96
  97     // remove SGML comments
  98     if( rString.startsWith( "<!--" ) )
  99     {
 100         sal_Int32 nPos = 3;
 101         if( bFull )
 102         {
 103             // the whole line
 104             nPos = 4;
 105             while( nPos < rString.getLength() &&
 106                 ( ( c = rString[nPos] ) != '\r' && c != '\n' ) )
 107                 ++nPos;
 108             if( c == '\r' && nPos+1 < rString.getLength() &&
 109                 '\n' == rString[nPos+1] )
 110                 ++nPos;
 111             else if( c != '\n' )
 112                 nPos = 3;
 113         }
 114         ++nPos;
 115         rString = rString.copy( nPos, rString.getLength() - nPos );
 116     }
 117
 118     if( rString.endsWith("-->") )
 119     {
 120         rString = rString.copy( 0, rString.getLength()-3 );
 121         if( bFull )
 122         {
 123             // "//" or "'", maybe preceding CR/LF
 124             rString = comphelper::string::stripEnd(rString, ' ');
 125             sal_Int32 nDel = 0, nLen = rString.getLength();
 126             if( nLen >= 2 &&
 127                 rString.endsWith("//") )
 128             {
 129                 nDel = 2;
 130             }
 131             else if( nLen && '\'' == rString[nLen-1] )
 132             {
 133                 nDel = 1;
 134             }
 135             if( nDel && nLen >= nDel+1 )
 136             {
 137                 c = rString[nLen-(nDel+1)];
 138                 if( '\r'==c || '\n'==c )
 139                 {
 140                     nDel++;
 141                     if( '\n'==c && nLen >= nDel+1 &&
 142                         '\r'==rString[nLen-(nDel+1)] )
 143                         nDel++;
 144                 }
 145             }
 146             rString = rString.copy( 0, nLen-nDel );
 147         }
 148     }
 149 }
 150
 151 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */