svl/source/misc/inettype.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 #include <sal/config.h>
  21
  22 #include <array>
  23
  24 #include <tools/debug.hxx>
  25 #include <tools/wldcrd.hxx>
  26 #include <tools/inetmime.hxx>
  27 #include <o3tl/string_view.hxx>
  28 #include <osl/diagnose.h>
  29 #include <svl/inettype.hxx>
  30
  31 namespace
  32 {
  33
  34 struct MediaTypeEntry
  35 {
  36     OUString    m_pTypeName;
  37     INetContentType m_eTypeID;
  38 };
  39
  40
  41 MediaTypeEntry const * seekEntry(OUString const & rTypeName,
  42                                  MediaTypeEntry const * pMap, std::size_t nSize);
  43
  44 /** A mapping from type names to type ids and extensions.  Sorted by type
  45     name.
  46  */
  47 MediaTypeEntry const aStaticTypeNameMap[CONTENT_TYPE_LAST + 1]
  48     = { { u" "_ustr, CONTENT_TYPE_UNKNOWN },
  49         { CONTENT_TYPE_STR_X_CNT_FSYSBOX, CONTENT_TYPE_X_CNT_FSYSBOX },
  50         { CONTENT_TYPE_STR_X_CNT_FSYSFOLDER, CONTENT_TYPE_X_CNT_FSYSFOLDER },
  51         { CONTENT_TYPE_STR_X_CNT_FSYSSPECIALFOLDER, CONTENT_TYPE_X_CNT_FSYSSPECIALFOLDER },
  52         { CONTENT_TYPE_STR_APP_OCTSTREAM, CONTENT_TYPE_APP_OCTSTREAM },
  53         { CONTENT_TYPE_STR_APP_PDF, CONTENT_TYPE_APP_PDF },
  54         { CONTENT_TYPE_STR_APP_RTF, CONTENT_TYPE_APP_RTF },
  55         { CONTENT_TYPE_STR_APP_VND_CALC, CONTENT_TYPE_APP_VND_CALC },
  56         { CONTENT_TYPE_STR_APP_VND_CHART, CONTENT_TYPE_APP_VND_CHART },
  57         { CONTENT_TYPE_STR_APP_VND_DRAW, CONTENT_TYPE_APP_VND_DRAW },
  58         { CONTENT_TYPE_STR_APP_VND_IMAGE, CONTENT_TYPE_APP_VND_IMAGE },
  59         { CONTENT_TYPE_STR_APP_VND_IMPRESS, CONTENT_TYPE_APP_VND_IMPRESS },
  60         { CONTENT_TYPE_STR_APP_VND_IMPRESSPACKED, CONTENT_TYPE_APP_VND_IMPRESSPACKED },
  61         { CONTENT_TYPE_STR_APP_VND_MAIL, CONTENT_TYPE_APP_VND_MAIL },
  62         { CONTENT_TYPE_STR_APP_VND_MATH, CONTENT_TYPE_APP_VND_MATH },
  63         { CONTENT_TYPE_STR_APP_VND_NEWS, CONTENT_TYPE_APP_VND_NEWS },
  64         { CONTENT_TYPE_STR_APP_VND_OUTTRAY, CONTENT_TYPE_APP_VND_OUTTRAY },
  65         { CONTENT_TYPE_STR_APP_VND_TEMPLATE, CONTENT_TYPE_APP_VND_TEMPLATE },
  66         { CONTENT_TYPE_STR_APP_VND_WRITER, CONTENT_TYPE_APP_VND_WRITER },
  67         { CONTENT_TYPE_STR_APP_VND_WRITER_GLOBAL, CONTENT_TYPE_APP_VND_WRITER_GLOBAL },
  68         { CONTENT_TYPE_STR_APP_VND_WRITER_WEB, CONTENT_TYPE_APP_VND_WRITER_WEB },
  69         { CONTENT_TYPE_STR_APP_VND_SUN_XML_CALC, CONTENT_TYPE_APP_VND_SUN_XML_CALC },
  70         { CONTENT_TYPE_STR_APP_VND_SUN_XML_CHART, CONTENT_TYPE_APP_VND_SUN_XML_CHART },
  71         { CONTENT_TYPE_STR_APP_VND_SUN_XML_DRAW, CONTENT_TYPE_APP_VND_SUN_XML_DRAW },
  72          { CONTENT_TYPE_STR_APP_VND_SUN_XML_IMPRESS, CONTENT_TYPE_APP_VND_SUN_XML_IMPRESS },
  73          { CONTENT_TYPE_STR_APP_VND_SUN_XML_IMPRESSPACKED, CONTENT_TYPE_APP_VND_SUN_XML_IMPRESSPACKED },
  74         { CONTENT_TYPE_STR_APP_VND_SUN_XML_MATH, CONTENT_TYPE_APP_VND_SUN_XML_MATH },
  75         { CONTENT_TYPE_STR_APP_VND_SUN_XML_WRITER, CONTENT_TYPE_APP_VND_SUN_XML_WRITER },
  76         { CONTENT_TYPE_STR_APP_VND_SUN_XML_WRITER_GLOBAL, CONTENT_TYPE_APP_VND_SUN_XML_WRITER_GLOBAL },
  77         { CONTENT_TYPE_STR_APP_FRAMESET, CONTENT_TYPE_APP_FRAMESET },
  78         { CONTENT_TYPE_STR_APP_GALLERY, CONTENT_TYPE_APP_GALLERY },
  79         { CONTENT_TYPE_STR_APP_GALLERY_THEME, CONTENT_TYPE_APP_GALLERY_THEME },
  80         { CONTENT_TYPE_STR_APP_JAR, CONTENT_TYPE_APP_JAR },
  81         { CONTENT_TYPE_STR_APP_MACRO, CONTENT_TYPE_APP_MACRO },
  82         { CONTENT_TYPE_STR_APP_MSEXCEL, CONTENT_TYPE_APP_MSEXCEL },
  83         { CONTENT_TYPE_STR_APP_MSEXCEL_TEMPL, CONTENT_TYPE_APP_MSEXCEL_TEMPL },
  84         { CONTENT_TYPE_STR_APP_MSPPOINT, CONTENT_TYPE_APP_MSPPOINT },
  85         { CONTENT_TYPE_STR_APP_MSPPOINT_TEMPL, CONTENT_TYPE_APP_MSPPOINT_TEMPL },
  86         { CONTENT_TYPE_STR_APP_MSWORD, CONTENT_TYPE_APP_MSWORD },
  87         { CONTENT_TYPE_STR_APP_MSWORD_TEMPL, CONTENT_TYPE_APP_MSWORD_TEMPL },
  88         { CONTENT_TYPE_STR_APP_STARCALC, CONTENT_TYPE_APP_STARCALC },
  89         { CONTENT_TYPE_STR_APP_STARCHART, CONTENT_TYPE_APP_STARCHART },
  90         { CONTENT_TYPE_STR_APP_STARDRAW, CONTENT_TYPE_APP_STARDRAW },
  91         { CONTENT_TYPE_STR_APP_STARHELP, CONTENT_TYPE_APP_STARHELP },
  92         { CONTENT_TYPE_STR_APP_STARIMAGE, CONTENT_TYPE_APP_STARIMAGE },
  93         { CONTENT_TYPE_STR_APP_STARIMPRESS, CONTENT_TYPE_APP_STARIMPRESS },
  94         { CONTENT_TYPE_STR_APP_STARMAIL_SDM, CONTENT_TYPE_APP_STARMAIL_SDM },
  95         { CONTENT_TYPE_STR_APP_STARMAIL_SMD, CONTENT_TYPE_APP_STARMAIL_SMD },
  96         { CONTENT_TYPE_STR_APP_STARMATH, CONTENT_TYPE_APP_STARMATH },
  97         { CONTENT_TYPE_STR_APP_STARWRITER, CONTENT_TYPE_APP_STARWRITER },
  98         { CONTENT_TYPE_STR_APP_STARWRITER_GLOB, CONTENT_TYPE_APP_STARWRITER_GLOB },
  99         { CONTENT_TYPE_STR_APP_CDE_CALENDAR_APP, CONTENT_TYPE_APP_CDE_CALENDAR_APP },
 100         { CONTENT_TYPE_STR_APP_ZIP, CONTENT_TYPE_APP_ZIP },
 101         { CONTENT_TYPE_STR_AUDIO_AIFF, CONTENT_TYPE_AUDIO_AIFF },
 102         { CONTENT_TYPE_STR_AUDIO_BASIC, CONTENT_TYPE_AUDIO_BASIC },
 103         { CONTENT_TYPE_STR_AUDIO_MIDI, CONTENT_TYPE_AUDIO_MIDI },
 104         { CONTENT_TYPE_STR_AUDIO_VORBIS, CONTENT_TYPE_AUDIO_VORBIS },
 105         { CONTENT_TYPE_STR_AUDIO_WAV, CONTENT_TYPE_AUDIO_WAV },
 106         { CONTENT_TYPE_STR_AUDIO_WEBM, CONTENT_TYPE_AUDIO_WEBM },
 107         { CONTENT_TYPE_STR_IMAGE_GENERIC, CONTENT_TYPE_IMAGE_GENERIC },
 108         { CONTENT_TYPE_STR_IMAGE_GIF, CONTENT_TYPE_IMAGE_GIF },
 109         { CONTENT_TYPE_STR_IMAGE_JPEG, CONTENT_TYPE_IMAGE_JPEG },
 110         { CONTENT_TYPE_STR_IMAGE_PCX, CONTENT_TYPE_IMAGE_PCX },
 111         { CONTENT_TYPE_STR_IMAGE_PNG, CONTENT_TYPE_IMAGE_PNG },
 112         { CONTENT_TYPE_STR_IMAGE_TIFF, CONTENT_TYPE_IMAGE_TIFF },
 113         { CONTENT_TYPE_STR_IMAGE_BMP, CONTENT_TYPE_IMAGE_BMP },
 114         { CONTENT_TYPE_STR_INET_MSG_RFC822, CONTENT_TYPE_INET_MESSAGE_RFC822 },
 115         { CONTENT_TYPE_STR_INET_MULTI_ALTERNATIVE, CONTENT_TYPE_INET_MULTIPART_ALTERNATIVE },
 116         { CONTENT_TYPE_STR_INET_MULTI_DIGEST, CONTENT_TYPE_INET_MULTIPART_DIGEST },
 117         { CONTENT_TYPE_STR_INET_MULTI_MIXED, CONTENT_TYPE_INET_MULTIPART_MIXED },
 118         { CONTENT_TYPE_STR_INET_MULTI_PARALLEL, CONTENT_TYPE_INET_MULTIPART_PARALLEL },
 119         { CONTENT_TYPE_STR_INET_MULTI_RELATED, CONTENT_TYPE_INET_MULTIPART_RELATED },
 120         { CONTENT_TYPE_STR_TEXT_ICALENDAR, CONTENT_TYPE_TEXT_ICALENDAR },
 121         { CONTENT_TYPE_STR_TEXT_HTML, CONTENT_TYPE_TEXT_HTML },
 122         { CONTENT_TYPE_STR_TEXT_PLAIN, CONTENT_TYPE_TEXT_PLAIN },
 123         { CONTENT_TYPE_STR_TEXT_XMLICALENDAR, CONTENT_TYPE_TEXT_XMLICALENDAR },
 124         { CONTENT_TYPE_STR_TEXT_URL, CONTENT_TYPE_TEXT_URL },
 125         { CONTENT_TYPE_STR_TEXT_VCALENDAR, CONTENT_TYPE_TEXT_VCALENDAR },
 126         { CONTENT_TYPE_STR_TEXT_VCARD, CONTENT_TYPE_TEXT_VCARD },
 127         { CONTENT_TYPE_STR_VIDEO_MSVIDEO, CONTENT_TYPE_VIDEO_MSVIDEO },
 128         { CONTENT_TYPE_STR_VIDEO_THEORA, CONTENT_TYPE_VIDEO_THEORA },
 129         { CONTENT_TYPE_STR_VIDEO_VDO, CONTENT_TYPE_VIDEO_VDO },
 130         { CONTENT_TYPE_STR_VIDEO_WEBM, CONTENT_TYPE_VIDEO_WEBM },
 131         { CONTENT_TYPE_STR_X_STARMAIL, CONTENT_TYPE_X_STARMAIL },
 132         { CONTENT_TYPE_STR_X_VRML, CONTENT_TYPE_X_VRML }
 133 };
 134
 135
 136 /** A mapping from extensions to type IDs.  Sorted by extension.
 137  */
 138 MediaTypeEntry const aStaticExtensionMap[]
 139     = { { u"aif"_ustr, CONTENT_TYPE_AUDIO_AIFF },
 140         { u"aiff"_ustr, CONTENT_TYPE_AUDIO_AIFF },
 141         { u"appt"_ustr, CONTENT_TYPE_APP_CDE_CALENDAR_APP },
 142         { u"au"_ustr, CONTENT_TYPE_AUDIO_BASIC },
 143         { u"avi"_ustr, CONTENT_TYPE_VIDEO_MSVIDEO },
 144         { u"bmp"_ustr, CONTENT_TYPE_IMAGE_BMP },
 145         { u"cgm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 146         { u"doc"_ustr, CONTENT_TYPE_APP_MSWORD },
 147         { u"dot"_ustr, CONTENT_TYPE_APP_MSWORD_TEMPL },
 148         { u"dxf"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 149         { u"eps"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 150         { u"gal"_ustr, CONTENT_TYPE_APP_GALLERY },
 151         { u"gif"_ustr, CONTENT_TYPE_IMAGE_GIF },
 152         { u"htm"_ustr, CONTENT_TYPE_TEXT_HTML },
 153         { u"html"_ustr, CONTENT_TYPE_TEXT_HTML },
 154         { u"ics"_ustr, CONTENT_TYPE_TEXT_ICALENDAR },
 155         { u"jar"_ustr, CONTENT_TYPE_APP_JAR },
 156         { u"jpeg"_ustr, CONTENT_TYPE_IMAGE_JPEG },
 157         { u"jpg"_ustr, CONTENT_TYPE_IMAGE_JPEG },
 158         { u"met"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 159         { u"mid"_ustr, CONTENT_TYPE_AUDIO_MIDI },
 160         { u"midi"_ustr, CONTENT_TYPE_AUDIO_MIDI },
 161         { u"ogg"_ustr, CONTENT_TYPE_AUDIO_VORBIS },
 162         { u"pbm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 163         { u"pcd"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 164         { u"pct"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 165         { u"pcx"_ustr, CONTENT_TYPE_IMAGE_PCX },
 166         { u"pdf"_ustr, CONTENT_TYPE_APP_PDF },
 167         { u"pgm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 168         { u"png"_ustr, CONTENT_TYPE_IMAGE_PNG },
 169         { u"pot"_ustr, CONTENT_TYPE_APP_MSPPOINT_TEMPL },
 170         { u"ppm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 171         { u"ppt"_ustr, CONTENT_TYPE_APP_MSPPOINT },
 172         { u"psd"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 173         { u"ras"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 174         { u"rtf"_ustr, CONTENT_TYPE_APP_RTF },
 175         { u"sda"_ustr, CONTENT_TYPE_APP_VND_DRAW },
 176         { u"sdc"_ustr, CONTENT_TYPE_APP_VND_CALC },
 177         { u"sdd"_ustr, CONTENT_TYPE_APP_VND_IMPRESS },
 178         { u"sdm"_ustr, CONTENT_TYPE_APP_VND_MAIL },
 179         { u"sdp"_ustr, CONTENT_TYPE_APP_VND_IMPRESSPACKED },
 180         { u"sds"_ustr, CONTENT_TYPE_APP_VND_CHART },
 181         { u"sdw"_ustr, CONTENT_TYPE_APP_VND_WRITER },
 182         { u"sd~"_ustr, CONTENT_TYPE_X_STARMAIL },
 183         { u"sfs"_ustr, CONTENT_TYPE_APP_FRAMESET  },
 184         { u"sgl"_ustr, CONTENT_TYPE_APP_VND_WRITER_GLOBAL  },
 185         { u"sim"_ustr, CONTENT_TYPE_APP_VND_IMAGE },
 186         { u"smd"_ustr, CONTENT_TYPE_APP_STARMAIL_SMD }, //CONTENT_TYPE_X_STARMAIL
 187         { u"smf"_ustr, CONTENT_TYPE_APP_VND_MATH },
 188         { u"svh"_ustr, CONTENT_TYPE_APP_STARHELP },
 189         { u"svm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 190         { u"sxc"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_CALC },
 191         { u"sxd"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_DRAW },
 192         { u"sxg"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_WRITER_GLOBAL },
 193         { u"sxi"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_IMPRESS },
 194         { u"sxm"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_MATH },
 195         { u"sxp"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_IMPRESSPACKED },
 196         { u"sxs"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_CHART },
 197         { u"sxw"_ustr, CONTENT_TYPE_APP_VND_SUN_XML_WRITER },
 198         { u"tga"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 199         { u"thm"_ustr, CONTENT_TYPE_APP_GALLERY_THEME },
 200         { u"tif"_ustr, CONTENT_TYPE_IMAGE_TIFF },
 201         { u"tiff"_ustr, CONTENT_TYPE_IMAGE_TIFF },
 202         { u"txt"_ustr, CONTENT_TYPE_TEXT_PLAIN },
 203         { u"url"_ustr, CONTENT_TYPE_TEXT_URL },
 204         { u"vcf"_ustr, CONTENT_TYPE_TEXT_VCARD },
 205         { u"vcs"_ustr, CONTENT_TYPE_TEXT_VCALENDAR },
 206         { u"vdo"_ustr, CONTENT_TYPE_VIDEO_VDO },
 207         { u"vor"_ustr, CONTENT_TYPE_APP_VND_TEMPLATE },
 208         { u"wav"_ustr, CONTENT_TYPE_AUDIO_WAV },
 209         { u"webm"_ustr, CONTENT_TYPE_VIDEO_WEBM },
 210         { u"wmf"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 211         { u"wrl"_ustr, CONTENT_TYPE_X_VRML },
 212         { u"xbm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 213         { u"xcs"_ustr, CONTENT_TYPE_TEXT_XMLICALENDAR },
 214         { u"xls"_ustr, CONTENT_TYPE_APP_MSEXCEL },
 215         { u"xlt"_ustr, CONTENT_TYPE_APP_MSEXCEL_TEMPL },
 216         { u"xlw"_ustr, CONTENT_TYPE_APP_MSEXCEL },
 217         { u"xpm"_ustr, CONTENT_TYPE_IMAGE_GENERIC },
 218         { u"zip"_ustr, CONTENT_TYPE_APP_ZIP } };
 219
 220 }
 221
 222
 223 //  seekEntry
 224
 225
 226 namespace
 227 {
 228
 229 MediaTypeEntry const * seekEntry(OUString const & rTypeName,
 230                                  MediaTypeEntry const * pMap, std::size_t nSize)
 231 {
 232 #if defined DBG_UTIL
 233     for (std::size_t i = 0; i < nSize - 1; ++i)
 234         DBG_ASSERT(
 235             pMap[i].m_pTypeName < pMap[i + 1].m_pTypeName,
 236             "seekEntry(): Bad map");
 237 #endif
 238
 239     std::size_t nLow = 0;
 240     std::size_t nHigh = nSize;
 241     while (nLow != nHigh)
 242     {
 243         std::size_t nMiddle = (nLow + nHigh) / 2;
 244         MediaTypeEntry const * pEntry = pMap + nMiddle;
 245         sal_Int32 nCmp = rTypeName.compareToIgnoreAsciiCase(pEntry->m_pTypeName);
 246         if (nCmp < 0)
 247             nHigh = nMiddle;
 248         else if (nCmp == 0)
 249             return pEntry;
 250
 251         else
 252             nLow = nMiddle + 1;
 253     }
 254     return nullptr;
 255 }
 256
 257 }
 258
 259 // static
 260 INetContentType INetContentTypes::GetContentType(OUString const & rTypeName)
 261 {
 262     OUString aType;
 263     OUString aSubType;
 264     if (parse(rTypeName, aType, aSubType))
 265     {
 266         aType += "/" + aSubType;
 267         MediaTypeEntry const * pEntry = seekEntry(aType, aStaticTypeNameMap,
 268                                                   CONTENT_TYPE_LAST + 1);
 269         return pEntry ? pEntry->m_eTypeID : CONTENT_TYPE_UNKNOWN;
 270     }
 271     else
 272         return rTypeName.equalsIgnoreAsciiCase(CONTENT_TYPE_STR_X_STARMAIL) ?
 273             CONTENT_TYPE_X_STARMAIL : CONTENT_TYPE_UNKNOWN;
 274             // the content type "x-starmail" has no sub type
 275 }
 276
 277 //static
 278 OUString INetContentTypes::GetContentType(INetContentType eTypeID)
 279 {
 280     static std::array<OUString, CONTENT_TYPE_LAST + 1> aMap = []()
 281     {
 282         std::array<OUString, CONTENT_TYPE_LAST + 1> tmp;
 283         for (std::size_t i = 0; i <= CONTENT_TYPE_LAST; ++i)
 284             tmp[aStaticTypeNameMap[i].m_eTypeID] = aStaticTypeNameMap[i].m_pTypeName;
 285         tmp[CONTENT_TYPE_UNKNOWN] = CONTENT_TYPE_STR_APP_OCTSTREAM;
 286         tmp[CONTENT_TYPE_TEXT_PLAIN] = CONTENT_TYPE_STR_TEXT_PLAIN +
 287                                         "; charset=iso-8859-1";
 288         return tmp;
 289     }();
 290
 291     OUString aTypeName = eTypeID <= CONTENT_TYPE_LAST ? aMap[eTypeID]
 292                                                       : OUString();
 293     if (aTypeName.isEmpty())
 294     {
 295         OSL_FAIL("INetContentTypes::GetContentType(): Bad ID");
 296         return CONTENT_TYPE_STR_APP_OCTSTREAM;
 297     }
 298     return aTypeName;
 299 }
 300
 301 //static
 302 INetContentType INetContentTypes::GetContentType4Extension(OUString const & rExtension)
 303 {
 304     MediaTypeEntry const * pEntry = seekEntry(rExtension, aStaticExtensionMap,
 305                                               SAL_N_ELEMENTS(aStaticExtensionMap));
 306     if (pEntry)
 307         return pEntry->m_eTypeID;
 308     return CONTENT_TYPE_APP_OCTSTREAM;
 309 }
 310
 311 //static
 312 INetContentType INetContentTypes::GetContentTypeFromURL(std::u16string_view rURL)
 313 {
 314     INetContentType eTypeID = CONTENT_TYPE_UNKNOWN;
 315     std::size_t nIdx{ 0 };
 316     OUString aToken( o3tl::getToken(rURL, u':', nIdx) );
 317     if (!aToken.isEmpty())
 318     {
 319         if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_FILE))
 320             if (rURL[ rURL.size() - 1 ] == '/') // folder
 321                 if (rURL.size() > RTL_CONSTASCII_LENGTH("file:///"))
 322                     if (WildCard(u"*/{*}/").Matches(rURL)) // special folder
 323                         eTypeID = CONTENT_TYPE_X_CNT_FSYSSPECIALFOLDER;
 324                     else
 325                         // drive? -> "file:///?|/"
 326                         if (rURL.size() == 11
 327                             && rURL[ rURL.size() - 2 ] == '|')
 328                         {
 329                             // Drives need further processing, because of
 330                             // dynamic type according to underlying volume,
 331                             // which cannot be determined here.
 332                         }
 333                         else // normal folder
 334                             eTypeID = CONTENT_TYPE_X_CNT_FSYSFOLDER;
 335                 else // file system root
 336                     eTypeID = CONTENT_TYPE_X_CNT_FSYSBOX;
 337             else // file
 338             {
 339                 //@@@
 340             }
 341         else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_HTTP)
 342                  || aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_HTTPS))
 343             eTypeID = CONTENT_TYPE_TEXT_HTML;
 344         else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_PRIVATE))
 345         {
 346             aToken = o3tl::getToken(rURL, u'/', nIdx);
 347             if (aToken == "factory")
 348             {
 349                 aToken = o3tl::getToken(rURL, u'/', nIdx);
 350                 if (aToken == "swriter")
 351                 {
 352                     aToken = o3tl::getToken(rURL, u'/', nIdx);
 353                     eTypeID = aToken == "web" ?
 354                                   CONTENT_TYPE_APP_VND_WRITER_WEB :
 355                               aToken == "GlobalDocument" ?
 356                                   CONTENT_TYPE_APP_VND_WRITER_GLOBAL :
 357                                   CONTENT_TYPE_APP_VND_WRITER;
 358                 }
 359                 else if (aToken == "scalc")
 360                     eTypeID = CONTENT_TYPE_APP_VND_CALC;
 361                 else if (aToken == "sdraw")
 362                     eTypeID = CONTENT_TYPE_APP_VND_DRAW;
 363                 else if (aToken == "simpress")
 364                     eTypeID = CONTENT_TYPE_APP_VND_IMPRESS;
 365                 else if (aToken == "schart")
 366                     eTypeID = CONTENT_TYPE_APP_VND_CHART;
 367                 else if (aToken == "simage")
 368                     eTypeID = CONTENT_TYPE_APP_VND_IMAGE;
 369                 else if (aToken == "smath")
 370                     eTypeID = CONTENT_TYPE_APP_VND_MATH;
 371                 else if (aToken == "frameset")
 372                     eTypeID = CONTENT_TYPE_APP_FRAMESET;
 373             }
 374             else if (aToken == "helpid")
 375                 eTypeID = CONTENT_TYPE_APP_STARHELP;
 376         }
 377         else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_MAILTO))
 378             eTypeID = CONTENT_TYPE_APP_VND_OUTTRAY;
 379         else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_MACRO))
 380             eTypeID = CONTENT_TYPE_APP_MACRO;
 381         else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_DATA))
 382         {
 383             aToken = o3tl::getToken(rURL, u',', nIdx);
 384             eTypeID = GetContentType(aToken);
 385         }
 386     }
 387     if (eTypeID == CONTENT_TYPE_UNKNOWN)
 388     {
 389         OUString aExtension;
 390         if (GetExtensionFromURL(rURL, aExtension))
 391             eTypeID = GetContentType4Extension(aExtension);
 392     }
 393     return eTypeID;
 394 }
 395
 396 //static
 397 bool INetContentTypes::GetExtensionFromURL(std::u16string_view rURL,
 398                                            OUString & rExtension)
 399 {
 400     size_t nSlashPos = 0;
 401     size_t i = 0;
 402     while (i != std::u16string_view::npos)
 403     {
 404         nSlashPos = i;
 405         i = rURL.find('/', i + 1);
 406     }
 407     if (nSlashPos != 0)
 408     {
 409         size_t nLastDotPos = i = rURL.find('.', nSlashPos);
 410         while (i != std::u16string_view::npos)
 411         {
 412             nLastDotPos = i;
 413             i = rURL.find('.', i + 1);
 414         }
 415         if (nLastDotPos >- 0)
 416             rExtension = rURL.substr(nLastDotPos + 1);
 417         return true;
 418     }
 419     return false;
 420 }
 421
 422 bool INetContentTypes::parse(
 423     OUString const & rMediaType, OUString & rType, OUString & rSubType,
 424     INetContentTypeParameterList * pParameters)
 425 {
 426     sal_Unicode const * b = rMediaType.getStr();
 427     sal_Unicode const * e = b + rMediaType.getLength();
 428     OUString t;
 429     OUString s;
 430     INetContentTypeParameterList p;
 431     if (INetMIME::scanContentType(rMediaType, &t, &s, pParameters == nullptr ? nullptr : &p) == e) {
 432         rType = t;
 433         rSubType = s;
 434         if (pParameters != nullptr) {
 435             *pParameters = std::move(p);
 436         }
 437         return true;
 438     } else {
 439         return false;
 440     }
 441 }
 442
 443 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */