configmgr/source/writemodfile.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 <cassert>
  23 #include <cstddef>
  24 #include <limits>
  25 #include <string_view>
  26
  27 #include <com/sun/star/uno/Any.hxx>
  28 #include <com/sun/star/uno/RuntimeException.hpp>
  29 #include <com/sun/star/uno/Sequence.hxx>
  30 #include <o3tl/safeint.hxx>
  31 #include <osl/file.h>
  32 #include <osl/file.hxx>
  33 #include <rtl/string.h>
  34 #include <rtl/string.hxx>
  35 #include <rtl/textcvt.h>
  36 #include <rtl/textenc.h>
  37 #include <rtl/ustring.hxx>
  38 #include <rtl/strbuf.hxx>
  39 #include <sal/log.hxx>
  40 #include <sal/types.h>
  41 #include <xmlreader/span.hxx>
  42
  43 #include "data.hxx"
  44 #include "groupnode.hxx"
  45 #include "localizedpropertynode.hxx"
  46 #include "localizedvaluenode.hxx"
  47 #include "modifications.hxx"
  48 #include "node.hxx"
  49 #include "nodemap.hxx"
  50 #include "propertynode.hxx"
  51 #include "type.hxx"
  52 #include "writemodfile.hxx"
  53
  54 namespace configmgr {
  55
  56 class Components;
  57
  58 namespace {
  59
  60 OString convertToUtf8(std::u16string_view text) {
  61     OString s;
  62     assert(text.size() <= o3tl::make_unsigned(std::numeric_limits<sal_Int32>::max()));
  63     if (!rtl_convertUStringToString(
  64             &s.pData, text.data(), text.size(),
  65             RTL_TEXTENCODING_UTF8,
  66             (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
  67              RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
  68     {
  69         throw css::uno::RuntimeException(
  70             u"cannot convert to UTF-8"_ustr);
  71     }
  72     return s;
  73 }
  74
  75 } // anonymous namespace
  76
  77 TempFile::~TempFile() {
  78     if (handle == nullptr)
  79         return;
  80
  81     if (!closed) {
  82         oslFileError e = osl_closeFile(handle);
  83         if (e != osl_File_E_None) {
  84             SAL_WARN("configmgr", "osl_closeFile failed with " << +e);
  85         }
  86     }
  87     osl::FileBase::RC e = osl::File::remove(url);
  88     if (e != osl::FileBase::E_None) {
  89         SAL_WARN(
  90             "configmgr",
  91             "osl::File::remove(" << url << ") failed with " << +e);
  92     }
  93 }
  94
  95 #ifdef _WIN32
  96 oslFileError TempFile::closeWithoutUnlink() {
  97     flush();
  98     oslFileError e = osl_closeFile(handle);
  99     handle = nullptr;
 100     closed = true;
 101     return e;
 102 }
 103 #endif
 104
 105 void TempFile::closeAndRename(const OUString &_url) {
 106     oslFileError e = flush();
 107     if (e != osl_File_E_None) {
 108         throw css::uno::RuntimeException(
 109             "cannot write to " + url);
 110     }
 111     e = osl_closeFile(handle);
 112     closed = true;
 113     if (e != osl_File_E_None) {
 114         throw css::uno::RuntimeException(
 115             "cannot close " + url);
 116     }
 117     if (osl::File::replace(url, _url) != osl::FileBase::E_None) {
 118         throw css::uno::RuntimeException(
 119             "cannot move " + url);
 120     }
 121     handle = nullptr;
 122 }
 123
 124 oslFileError TempFile::flush() {
 125     oslFileError e = osl_File_E_None;
 126     if (!buffer.isEmpty()) {
 127         sal_uInt64 nBytesWritten = 0;
 128         e = osl_writeFile(handle, buffer.getStr(),
 129                           static_cast< sal_uInt32 >(buffer.getLength()),
 130                           &nBytesWritten);
 131         if (nBytesWritten != static_cast< sal_uInt32 >(buffer.getLength())) {
 132             // queue up any error / exception until close.
 133             buffer.remove(0, static_cast< sal_Int32 >( nBytesWritten ) );
 134         } else {
 135             buffer.setLength(0);
 136         }
 137     }
 138     return e;
 139 }
 140
 141 void TempFile::writeString(std::string_view text) {
 142     buffer.append(text.data(), text.size());
 143     if (buffer.getLength() > 0x10000)
 144         flush();
 145 }
 146
 147 namespace {
 148
 149 void writeValueContent_(TempFile &, bool) = delete;
 150     // silence loplugin:salbool
 151 void writeValueContent_(TempFile &handle, sal_Bool value) {
 152     if (value) {
 153         handle.writeString("true");
 154     } else {
 155         handle.writeString("false");
 156     }
 157 }
 158
 159 void writeValueContent_(TempFile &handle, sal_Int16 value) {
 160     handle.writeString(OString::number(value));
 161 }
 162
 163 void writeValueContent_(TempFile &handle, sal_Int32 value) {
 164     handle.writeString(OString::number(value));
 165 }
 166
 167 void writeValueContent_(TempFile &handle, sal_Int64 value) {
 168     handle.writeString(OString::number(value));
 169 }
 170
 171 void writeValueContent_(TempFile &handle, double value) {
 172     handle.writeString(OString::number(value));
 173 }
 174
 175 void writeValueContent_(TempFile &handle, std::u16string_view value) {
 176     writeValueContent(handle, value);
 177 }
 178
 179 void writeValueContent_(
 180     TempFile &handle, css::uno::Sequence< sal_Int8 > const & value)
 181 {
 182     for (const auto & v : value) {
 183         static char const hexDigit[16] = {
 184             '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
 185             'D', 'E', 'F' };
 186         handle.writeString(
 187             std::string_view(hexDigit + ((v >> 4) & 0xF), 1));
 188         handle.writeString(std::string_view(hexDigit + (v & 0xF), 1));
 189     }
 190 }
 191
 192 template< typename T > void writeSingleValue(
 193     TempFile &handle, css::uno::Any const & value)
 194 {
 195     handle.writeString(">");
 196     T val = T();
 197     value >>= val;
 198     writeValueContent_(handle, val);
 199     handle.writeString("</value>");
 200 }
 201
 202 template< typename T > void writeListValue(
 203     TempFile &handle, css::uno::Any const & value)
 204 {
 205     handle.writeString(">");
 206     css::uno::Sequence< T > val;
 207     value >>= val;
 208     for (sal_Int32 i = 0; i < val.getLength(); ++i) {
 209         if (i != 0) {
 210             handle.writeString(" ");
 211         }
 212         writeValueContent_(handle, val[i]);
 213     }
 214     handle.writeString("</value>");
 215 }
 216
 217 template< typename T > void writeItemListValue(
 218     TempFile &handle, css::uno::Any const & value)
 219 {
 220     handle.writeString(">");
 221     css::uno::Sequence< T > val;
 222     value >>= val;
 223     for (const auto & i : val) {
 224         handle.writeString("<it>");
 225         writeValueContent_(handle, i);
 226         handle.writeString("</it>");
 227     }
 228     handle.writeString("</value>");
 229 }
 230
 231 void writeValue(TempFile &handle, Type type, css::uno::Any const & value) {
 232     switch (type) {
 233     case TYPE_BOOLEAN:
 234         writeSingleValue< sal_Bool >(handle, value);
 235         break;
 236     case TYPE_SHORT:
 237         writeSingleValue< sal_Int16 >(handle, value);
 238         break;
 239     case TYPE_INT:
 240         writeSingleValue< sal_Int32 >(handle, value);
 241         break;
 242     case TYPE_LONG:
 243         writeSingleValue< sal_Int64 >(handle, value);
 244         break;
 245     case TYPE_DOUBLE:
 246         writeSingleValue< double >(handle, value);
 247         break;
 248     case TYPE_STRING:
 249         writeSingleValue< OUString >(handle, value);
 250         break;
 251     case TYPE_HEXBINARY:
 252         writeSingleValue< css::uno::Sequence< sal_Int8 > >(handle, value);
 253         break;
 254     case TYPE_BOOLEAN_LIST:
 255         writeListValue< sal_Bool >(handle, value);
 256         break;
 257     case TYPE_SHORT_LIST:
 258         writeListValue< sal_Int16 >(handle, value);
 259         break;
 260     case TYPE_INT_LIST:
 261         writeListValue< sal_Int32 >(handle, value);
 262         break;
 263     case TYPE_LONG_LIST:
 264         writeListValue< sal_Int64 >(handle, value);
 265         break;
 266     case TYPE_DOUBLE_LIST:
 267         writeListValue< double >(handle, value);
 268         break;
 269     case TYPE_STRING_LIST:
 270         writeItemListValue< OUString >(handle, value);
 271         break;
 272     case TYPE_HEXBINARY_LIST:
 273         writeItemListValue< css::uno::Sequence< sal_Int8 > >(handle, value);
 274         break;
 275     default: // TYPE_ERROR, TYPE_NIL, TYPE_ANY
 276         assert(false); // this cannot happen
 277     }
 278 }
 279
 280 void writeNode(
 281     Components & components, TempFile &handle,
 282     rtl::Reference< Node > const & parent, std::u16string_view name,
 283     rtl::Reference< Node > const & node)
 284 {
 285     static xmlreader::Span const typeNames[] = {
 286         xmlreader::Span(), xmlreader::Span(), xmlreader::Span(),
 287             // TYPE_ERROR, TYPE_NIL, TYPE_ANY
 288         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:boolean")),
 289         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:short")),
 290         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:int")),
 291         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:long")),
 292         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:double")),
 293         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:string")),
 294         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:hexBinary")),
 295         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:boolean-list")),
 296         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:short-list")),
 297         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:int-list")),
 298         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:long-list")),
 299         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:double-list")),
 300         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:string-list")),
 301         xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:hexBinary-list")) };
 302     switch (node->kind()) {
 303     case Node::KIND_PROPERTY:
 304         {
 305             PropertyNode * prop = static_cast< PropertyNode * >(node.get());
 306             handle.writeString("<prop oor:name=\"");
 307             writeAttributeValue(handle, name);
 308             handle.writeString("\" oor:op=\"fuse\"");
 309             Type type = prop->getStaticType();
 310             Type dynType = getDynamicType(prop->getValue(components));
 311             assert(dynType != TYPE_ERROR);
 312             if (type == TYPE_ANY) {
 313                 type = dynType;
 314                 if (type != TYPE_NIL) {
 315                     handle.writeString(" oor:type=\"");
 316                     handle.writeString(
 317                         std::string_view(
 318                             typeNames[type].begin, typeNames[type].length));
 319                     handle.writeString("\"");
 320                 }
 321             }
 322             handle.writeString("><value");
 323             if (dynType == TYPE_NIL) {
 324                 handle.writeString(" xsi:nil=\"true\"/>");
 325             } else {
 326                 writeValue(handle, type, prop->getValue(components));
 327             }
 328             handle.writeString("</prop>");
 329         }
 330         break;
 331     case Node::KIND_LOCALIZED_PROPERTY:
 332         handle.writeString("<prop oor:name=\"");
 333         writeAttributeValue(handle, name);
 334         handle.writeString("\" oor:op=\"fuse\">");
 335         for (auto const& member : node->getMembers())
 336         {
 337             writeNode(components, handle, node, member.first, member.second);
 338         }
 339         handle.writeString("</prop>");
 340         break;
 341     case Node::KIND_LOCALIZED_VALUE:
 342         {
 343             handle.writeString("<value");
 344             if (!name.empty()) {
 345                 handle.writeString(" xml:lang=\"");
 346                 writeAttributeValue(handle, name);
 347                 handle.writeString("\"");
 348             }
 349             Type type = static_cast< LocalizedPropertyNode * >(parent.get())->
 350                 getStaticType();
 351             css::uno::Any value(
 352                 static_cast< LocalizedValueNode * >(node.get())->getValue());
 353             Type dynType = getDynamicType(value);
 354             assert(dynType != TYPE_ERROR);
 355             if (type == TYPE_ANY) {
 356                 type = dynType;
 357                 if (type != TYPE_NIL) {
 358                     handle.writeString(" oor:type=\"");
 359                     handle.writeString(
 360                         std::string_view(
 361                             typeNames[type].begin, typeNames[type].length));
 362                     handle.writeString("\"");
 363                 }
 364             }
 365             if (dynType == TYPE_NIL) {
 366                 handle.writeString(" xsi:nil=\"true\"/>");
 367             } else {
 368                 writeValue(handle, type, value);
 369             }
 370         }
 371         break;
 372     case Node::KIND_GROUP:
 373     case Node::KIND_SET:
 374         handle.writeString("<node oor:name=\"");
 375         writeAttributeValue(handle, name);
 376         if (!node->getTemplateName().isEmpty()) { // set member
 377             handle.writeString("\" oor:op=\"replace");
 378         }
 379         handle.writeString("\">");
 380         for (auto const& member : node->getMembers())
 381         {
 382             writeNode(components, handle, node, member.first, member.second);
 383         }
 384         handle.writeString("</node>");
 385         break;
 386     case Node::KIND_ROOT:
 387         assert(false); // this cannot happen
 388         break;
 389     }
 390 }
 391
 392 // helpers to allow sorting of configmgr::Modifications::Node
 393 typedef std::pair< const OUString, configmgr::Modifications::Node > ModNodePairEntry;
 394 struct PairEntrySorter
 395 {
 396     bool operator() (const ModNodePairEntry* pValue1, const ModNodePairEntry* pValue2) const
 397     {
 398         return pValue1->first.compareTo(pValue2->first) < 0;
 399     }
 400 };
 401
 402 void writeModifications(
 403     Components & components, TempFile &handle,
 404     std::u16string_view parentPathRepresentation,
 405     rtl::Reference< Node > const & parent, OUString const & nodeName,
 406     rtl::Reference< Node > const & node,
 407     Modifications::Node const & modifications)
 408 {
 409     // It is never necessary to write oor:finalized or oor:mandatory attributes,
 410     // as they cannot be set via the UNO API.
 411     if (modifications.children.empty()) {
 412         assert(parent.is());
 413             // components themselves have no parent but must have children
 414         handle.writeString("<item oor:path=\"");
 415         writeAttributeValue(handle, parentPathRepresentation);
 416         handle.writeString("\">");
 417         if (node.is()) {
 418             writeNode(components, handle, parent, nodeName, node);
 419         } else {
 420             switch (parent->kind()) {
 421             case Node::KIND_LOCALIZED_PROPERTY:
 422                 handle.writeString("<value");
 423                 if (!nodeName.isEmpty()) {
 424                     handle.writeString(" xml:lang=\"");
 425                     writeAttributeValue(handle, nodeName);
 426                     handle.writeString("\"");
 427                 }
 428                 handle.writeString(" oor:op=\"remove\"/>");
 429                 break;
 430             case Node::KIND_GROUP:
 431                 assert(
 432                     static_cast< GroupNode * >(parent.get())->isExtensible());
 433                 handle.writeString("<prop oor:name=\"");
 434                 writeAttributeValue(handle, nodeName);
 435                 handle.writeString("\" oor:op=\"remove\"/>");
 436                 break;
 437             case Node::KIND_SET:
 438                 handle.writeString("<node oor:name=\"");
 439                 writeAttributeValue(handle, nodeName);
 440                 handle.writeString("\" oor:op=\"remove\"/>");
 441                 break;
 442             default:
 443                 assert(false); // this cannot happen
 444                 break;
 445             }
 446         }
 447         handle.writeString("</item>\n");
 448     } else {
 449         assert(node.is());
 450         OUString pathRep(
 451             OUString::Concat(parentPathRepresentation) + "/" +
 452             Data::createSegment(node->getTemplateName(), nodeName));
 453
 454         // copy configmgr::Modifications::Node's to a sortable list. Use pointers
 455         // to just reference the data instead of copying it
 456         std::vector< const ModNodePairEntry* > ModNodePairEntryVector;
 457         ModNodePairEntryVector.reserve(modifications.children.size());
 458
 459         for (const auto& rCand : modifications.children)
 460         {
 461             ModNodePairEntryVector.push_back(&rCand);
 462         }
 463
 464         // sort the list
 465         std::sort(ModNodePairEntryVector.begin(), ModNodePairEntryVector.end(), PairEntrySorter());
 466
 467         // now use the list to write entries in sorted order
 468         // instead of random as from the unordered map
 469         for (const auto & i : ModNodePairEntryVector)
 470         {
 471             writeModifications(
 472                 components, handle, pathRep, node, i->first,
 473                 node->getMember(i->first), i->second);
 474         }
 475     }
 476 }
 477
 478 }
 479
 480 void writeAttributeValue(TempFile &handle, std::u16string_view value) {
 481     std::size_t i = 0;
 482     std::size_t j = i;
 483     for (; j != value.size(); ++j) {
 484         assert(
 485             value[j] == 0x0009 || value[j] == 0x000A || value[j] == 0x000D ||
 486             (value[j] >= 0x0020 && value[j] != 0xFFFE && value[j] != 0xFFFF));
 487         switch(value[j]) {
 488         case '\x09':
 489             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 490             handle.writeString("&#9;");
 491             i = j + 1;
 492             break;
 493         case '\x0A':
 494             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 495             handle.writeString("&#xA;");
 496             i = j + 1;
 497             break;
 498         case '\x0D':
 499             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 500             handle.writeString("&#xD;");
 501             i = j + 1;
 502             break;
 503         case '"':
 504             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 505             handle.writeString("&quot;");
 506             i = j + 1;
 507             break;
 508         case '&':
 509             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 510             handle.writeString("&amp;");
 511             i = j + 1;
 512             break;
 513         case '<':
 514             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 515             handle.writeString("&lt;");
 516             i = j + 1;
 517             break;
 518         default:
 519             break;
 520         }
 521     }
 522     handle.writeString(convertToUtf8(value.substr(i, j - i)));
 523 }
 524
 525 void writeValueContent(TempFile &handle, std::u16string_view value) {
 526     std::size_t i = 0;
 527     std::size_t j = i;
 528     for (; j != value.size(); ++j) {
 529         char16_t c = value[j];
 530         if ((c < 0x0020 && c != 0x0009 && c != 0x000A && c != 0x000D) ||
 531             c == 0xFFFE || c == 0xFFFF)
 532         {
 533             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 534             handle.writeString("<unicode oor:scalar=\"");
 535             handle.writeString(OString::number(c));
 536             handle.writeString("\"/>");
 537             i = j + 1;
 538         } else if (c == '\x0D') {
 539             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 540             handle.writeString("&#xD;");
 541             i = j + 1;
 542         } else if (c == '&') {
 543             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 544             handle.writeString("&amp;");
 545             i = j + 1;
 546         } else if (c == '<') {
 547             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 548             handle.writeString("&lt;");
 549             i = j + 1;
 550         } else if (c == '>') {
 551             // "MUST, for compatibility, be escaped [...] when it appears in the
 552             // string ']]>'":
 553             handle.writeString(convertToUtf8(value.substr(i, j - i)));
 554             handle.writeString("&gt;");
 555             i = j + 1;
 556         }
 557     }
 558     handle.writeString(convertToUtf8(value.substr(i, j - i)));
 559 }
 560
 561 void writeModFile(
 562     Components & components, OUString const & url, Data const & data)
 563 {
 564     sal_Int32 i = url.lastIndexOf('/');
 565     assert(i != -1);
 566     OUString dir(url.copy(0, i));
 567     switch (osl::Directory::createPath(dir)) {
 568     case osl::FileBase::E_None:
 569     case osl::FileBase::E_EXIST:
 570         break;
 571     case osl::FileBase::E_ACCES:
 572         SAL_INFO(
 573             "configmgr",
 574             ("cannot create registrymodifications.xcu path (E_ACCES); changes"
 575              " will be lost"));
 576         return;
 577     default:
 578         throw css::uno::RuntimeException(
 579             "cannot create directory " + dir);
 580     }
 581     TempFile tmp;
 582     switch (osl::FileBase::createTempFile(&dir, &tmp.handle, &tmp.url)) {
 583     case osl::FileBase::E_None:
 584         break;
 585     case osl::FileBase::E_ACCES:
 586         SAL_INFO(
 587             "configmgr",
 588             ("cannot create temp registrymodifications.xcu (E_ACCES); changes"
 589              " will be lost"));
 590         return;
 591     default:
 592         throw css::uno::RuntimeException(
 593             "cannot create temporary file in " + dir);
 594     }
 595     tmp.writeString(
 596         "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<oor:items"
 597         " xmlns:oor=\"http://openoffice.org/2001/registry\""
 598         " xmlns:xs=\"http://www.w3.org/2001/XMLSchema\""
 599         " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n");
 600     //TODO: Do not write back information about those removed items that did not
 601     // come from the .xcs/.xcu files, anyway (but had been added dynamically
 602     // instead):
 603
 604     // For profilesafemode it is necessary to detect changes in the
 605     // registrymodifications file, this is done based on file size in bytes and crc32.
 606     // Unfortunately this write is based on writing unordered map entries, which creates
 607     // valid and semantically equal XML-Files, bubt with different crc32 checksums. For
 608     // the future usage it will be preferable to have easily comparable config files
 609     // which is guaranteed by writing the entries in sorted order. Indeed with this change
 610     // (and in the recursive writeModifications call) the same config files get written
 611
 612     // copy configmgr::Modifications::Node's to a sortable list. Use pointers
 613     // to just reference the data instead of copying it
 614     std::vector< const ModNodePairEntry* > ModNodePairEntryVector;
 615     ModNodePairEntryVector.reserve(data.modifications.getRoot().children.size());
 616
 617     for (const auto& rCand : data.modifications.getRoot().children)
 618     {
 619         ModNodePairEntryVector.push_back(&rCand);
 620     }
 621
 622     // sort the list
 623     std::sort(ModNodePairEntryVector.begin(), ModNodePairEntryVector.end(), PairEntrySorter());
 624
 625     // now use the list to write entries in sorted order
 626     // instead of random as from the unordered map
 627     for (const auto& j : ModNodePairEntryVector)
 628     {
 629         writeModifications(
 630             components, tmp, u"", rtl::Reference< Node >(), j->first,
 631             data.getComponents().findNode(Data::NO_LAYER, j->first),
 632             j->second);
 633     }
 634     tmp.writeString("</oor:items>\n");
 635     tmp.closeAndRename(url);
 636 }
 637
 638 }
 639
 640 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */