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Carla/source/utils/CarlaStateUtils.cpp

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  1. /*

  2.  * Carla State utils

  3.  * Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaStateUtils.hpp"

  19. 

  20. #include "CarlaBackendUtils.hpp"

  21. #include "CarlaMathUtils.hpp"

  22. #include "CarlaMIDI.h"

  23. 

  24. #include <string>

  25. 

  26. using juce::String;

  27. using juce::XmlElement;

  28. 

  29. CARLA_BACKEND_START_NAMESPACE

  30. 

  31. // -----------------------------------------------------------------------

  32. // getNewLineSplittedString

  33. 

  34. static String getNewLineSplittedString(const String& string)

  35. {

  36.     static const int kLineWidth = 120;

  37. 

  38.     int i=0;

  39.     const int length=string.length();

  40. 

  41.     String newString;

  42.     newString.preallocateBytes(static_cast<size_t>(length + length/120 + 2));

  43. 

  44.     for (; i+kLineWidth < length; i += kLineWidth)

  45.     {

  46.         newString += string.substring(i, i+kLineWidth);

  47.         newString += "\n";

  48.     }

  49. 

  50.     newString += string.substring(i);

  51. 

  52.     return newString;

  53. }

  54. 

  55. // -----------------------------------------------------------------------

  56. // xmlSafeStringFast

  57. 

  58. /* Based on some code by James Kanze from stackoverflow

  59.  * https://stackoverflow.com/questions/7724011/in-c-whats-the-fastest-way-to-replace-all-occurrences-of-a-substring-within */

  60. 

  61. static std::string replaceStdString(const std::string& original, const std::string& before, const std::string& after)

  62. {

  63.     std::string::const_iterator current = original.begin(), end = original.end(), next;

  64.     std::string retval;

  65. 

  66.     for (; (next = std::search(current, end, before.begin(), before.end())) != end;)

  67.     {

  68.         retval.append(current, next);

  69.         retval.append(after);

  70.         current = next + static_cast<std::ssize_t>(before.size());

  71.     }

  72.     retval.append(current, next);

  73.     return retval;

  74. }

  75. 

  76. static std::string xmlSafeStringFast(const char* const cstring, const bool toXml)

  77. {

  78.     std::string string(cstring);

  79. 

  80.     if (toXml)

  81.     {

  82.         string = replaceStdString(string, "&","&amp;");

  83.         string = replaceStdString(string, "<","&lt;");

  84.         string = replaceStdString(string, ">","&gt;");

  85.         string = replaceStdString(string, "'","&apos;");

  86.         string = replaceStdString(string, "\"","&quot;");

  87.     }

  88.     else

  89.     {

  90.         string = replaceStdString(string, "&lt;","<");

  91.         string = replaceStdString(string, "&gt;",">");

  92.         string = replaceStdString(string, "&apos;","'");

  93.         string = replaceStdString(string, "&quot;","\"");

  94.         string = replaceStdString(string, "&amp;","&");

  95.     }

  96. 

  97.     return string;

  98. }

  99. 

  100. // -----------------------------------------------------------------------

  101. // xmlSafeStringCharDup

  102. 

  103. static const char* xmlSafeStringCharDup(const String& string, const bool toXml)

  104. {

  105.     return carla_strdup(xmlSafeString(string, toXml).toRawUTF8());

  106. }

  107. 

  108. // -----------------------------------------------------------------------

  109. // StateParameter

  110. 

  111. StateParameter::StateParameter() noexcept

  112.     : isInput(true),

  113.       index(-1),

  114.       name(nullptr),

  115.       symbol(nullptr),

  116. #ifndef BUILD_BRIDGE

  117.       value(0.0f),

  118.       midiChannel(0),

  119.       midiCC(-1) {}

  120. #else

  121.       value(0.0f) {}

  122. #endif

  123. 

  124. StateParameter::~StateParameter() noexcept

  125. {

  126.     if (name != nullptr)

  127.     {

  128.         delete[] name;

  129.         name = nullptr;

  130.     }

  131.     if (symbol != nullptr)

  132.     {

  133.         delete[] symbol;

  134.         symbol = nullptr;

  135.     }

  136. }

  137. 

  138. // -----------------------------------------------------------------------

  139. // StateCustomData

  140. 

  141. StateCustomData::StateCustomData() noexcept

  142.     : type(nullptr),

  143.       key(nullptr),

  144.       value(nullptr) {}

  145. 

  146. StateCustomData::~StateCustomData() noexcept

  147. {

  148.     if (type != nullptr)

  149.     {

  150.         delete[] type;

  151.         type = nullptr;

  152.     }

  153.     if (key != nullptr)

  154.     {

  155.         delete[] key;

  156.         key = nullptr;

  157.     }

  158.     if (value != nullptr)

  159.     {

  160.         delete[] value;

  161.         value = nullptr;

  162.     }

  163. }

  164. 

  165. // -----------------------------------------------------------------------

  166. // StateSave

  167. 

  168. StateSave::StateSave() noexcept

  169.     : type(nullptr),

  170.       name(nullptr),

  171.       label(nullptr),

  172.       binary(nullptr),

  173.       uniqueId(0),

  174. #ifndef BUILD_BRIDGE

  175.       active(false),

  176.       dryWet(1.0f),

  177.       volume(1.0f),

  178.       balanceLeft(-1.0f),

  179.       balanceRight(1.0f),

  180.       panning(0.0f),

  181.       ctrlChannel(-1),

  182.       options(0x0),

  183. #endif

  184.       currentProgramIndex(-1),

  185.       currentProgramName(nullptr),

  186.       currentMidiBank(-1),

  187.       currentMidiProgram(-1),

  188.       chunk(nullptr),

  189.       parameters(),

  190.       customData() {}

  191. 

  192. StateSave::~StateSave() noexcept

  193. {

  194.     clear();

  195. }

  196. 

  197. void StateSave::clear() noexcept

  198. {

  199.     if (type != nullptr)

  200.     {

  201.         delete[] type;

  202.         type = nullptr;

  203.     }

  204.     if (name != nullptr)

  205.     {

  206.         delete[] name;

  207.         name = nullptr;

  208.     }

  209.     if (label != nullptr)

  210.     {

  211.         delete[] label;

  212.         label = nullptr;

  213.     }

  214.     if (binary != nullptr)

  215.     {

  216.         delete[] binary;

  217.         binary = nullptr;

  218.     }

  219.     if (currentProgramName != nullptr)

  220.     {

  221.         delete[] currentProgramName;

  222.         currentProgramName = nullptr;

  223.     }

  224.     if (chunk != nullptr)

  225.     {

  226.         delete[] chunk;

  227.         chunk = nullptr;

  228.     }

  229. 

  230.     uniqueId = 0;

  231. #ifndef BUILD_BRIDGE

  232.     active = false;

  233.     dryWet = 1.0f;

  234.     volume = 1.0f;

  235.     balanceLeft  = -1.0f;

  236.     balanceRight = 1.0f;

  237.     panning      = 0.0f;

  238.     ctrlChannel  = -1;

  239.     options      = 0x0;

  240. #endif

  241.     currentProgramIndex = -1;

  242.     currentMidiBank     = -1;

  243.     currentMidiProgram  = -1;

  244. 

  245.     for (StateParameterItenerator it = parameters.begin(); it.valid(); it.next())

  246.     {

  247.         StateParameter* const stateParameter(it.getValue());

  248.         delete stateParameter;

  249.     }

  250. 

  251.     for (StateCustomDataItenerator it = customData.begin(); it.valid(); it.next())

  252.     {

  253.         StateCustomData* const stateCustomData(it.getValue());

  254.         delete stateCustomData;

  255.     }

  256. 

  257.     parameters.clear();

  258.     customData.clear();

  259. }

  260. 

  261. // -----------------------------------------------------------------------

  262. // fillFromXmlElement

  263. 

  264. bool StateSave::fillFromXmlElement(const XmlElement* const xmlElement)

  265. {

  266.     CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr, false);

  267. 

  268.     clear();

  269. 

  270.     for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())

  271.     {

  272.         const String& tagName(elem->getTagName());

  273. 

  274.         // ---------------------------------------------------------------

  275.         // Info

  276. 

  277.         if (tagName.equalsIgnoreCase("info"))

  278.         {

  279.             for (XmlElement* xmlInfo = elem->getFirstChildElement(); xmlInfo != nullptr; xmlInfo = xmlInfo->getNextElement())

  280.             {

  281.                 const String& tag(xmlInfo->getTagName());

  282.                 const String  text(xmlInfo->getAllSubText().trim());

  283. 

  284.                 if (tag.equalsIgnoreCase("type"))

  285.                     type = xmlSafeStringCharDup(text, false);

  286.                 else if (tag.equalsIgnoreCase("name"))

  287.                     name = xmlSafeStringCharDup(text, false);

  288.                 else if (tag.equalsIgnoreCase("label") || tag.equalsIgnoreCase("identifier") || tag.equalsIgnoreCase("uri"))

  289.                     label = xmlSafeStringCharDup(text, false);

  290.                 else if (tag.equalsIgnoreCase("binary") || tag.equalsIgnoreCase("bundle") || tag.equalsIgnoreCase("filename"))

  291.                     binary = xmlSafeStringCharDup(text, false);

  292.                 else if (tag.equalsIgnoreCase("uniqueid"))

  293.                     uniqueId = text.getLargeIntValue();

  294.             }

  295.         }

  296. 

  297.         // ---------------------------------------------------------------

  298.         // Data

  299. 

  300.         else if (tagName.equalsIgnoreCase("data"))

  301.         {

  302.             for (XmlElement* xmlData = elem->getFirstChildElement(); xmlData != nullptr; xmlData = xmlData->getNextElement())

  303.             {

  304.                 const String& tag(xmlData->getTagName());

  305.                 const String  text(xmlData->getAllSubText().trim());

  306. 

  307. #ifndef BUILD_BRIDGE

  308.                 // -------------------------------------------------------

  309.                 // Internal Data

  310. 

  311.                 if (tag.equalsIgnoreCase("active"))

  312.                 {

  313.                     active = (text.equalsIgnoreCase("yes") || text.equalsIgnoreCase("true"));

  314.                 }

  315.                 else if (tag.equalsIgnoreCase("drywet"))

  316.                 {

  317.                     dryWet = carla_fixValue(0.0f, 1.0f, text.getFloatValue());

  318.                 }

  319.                 else if (tag.equalsIgnoreCase("volume"))

  320.                 {

  321.                     volume = carla_fixValue(0.0f, 1.27f, text.getFloatValue());

  322.                 }

  323.                 else if (tag.equalsIgnoreCase("balanceleft") || tag.equalsIgnoreCase("balance-left"))

  324.                 {

  325.                     balanceLeft = carla_fixValue(-1.0f, 1.0f, text.getFloatValue());

  326.                 }

  327.                 else if (tag.equalsIgnoreCase("balanceright") || tag.equalsIgnoreCase("balance-right"))

  328.                 {

  329.                     balanceRight = carla_fixValue(-1.0f, 1.0f, text.getFloatValue());

  330.                 }

  331.                 else if (tag.equalsIgnoreCase("panning"))

  332.                 {

  333.                     panning = carla_fixValue(-1.0f, 1.0f, text.getFloatValue());

  334.                 }

  335.                 else if (tag.equalsIgnoreCase("controlchannel") || tag.equalsIgnoreCase("control-channel"))

  336.                 {

  337.                     if (! text.startsWithIgnoreCase("n"))

  338.                     {

  339.                         const int value(text.getIntValue());

  340.                         if (value >= 1 && value <= MAX_MIDI_CHANNELS)

  341.                             ctrlChannel = static_cast<int8_t>(value-1);

  342.                     }

  343.                 }

  344.                 else if (tag.equalsIgnoreCase("options"))

  345.                 {

  346.                     const int value(text.getHexValue32());

  347.                     if (value > 0)

  348.                         options = static_cast<uint>(value);

  349.                 }

  350. #else

  351.                 if (false) {}

  352. #endif

  353. 

  354.                 // -------------------------------------------------------

  355.                 // Program (current)

  356. 

  357.                 else if (tag.equalsIgnoreCase("currentprogramindex") || tag.equalsIgnoreCase("current-program-index"))

  358.                 {

  359.                     const int value(text.getIntValue());

  360.                     if (value >= 1)

  361.                         currentProgramIndex = value-1;

  362.                 }

  363.                 else if (tag.equalsIgnoreCase("currentprogramname") || tag.equalsIgnoreCase("current-program-name"))

  364.                 {

  365.                     currentProgramName = xmlSafeStringCharDup(text, false);

  366.                 }

  367. 

  368.                 // -------------------------------------------------------

  369.                 // Midi Program (current)

  370. 

  371.                 else if (tag.equalsIgnoreCase("currentmidibank") || tag.equalsIgnoreCase("current-midi-bank"))

  372.                 {

  373.                     const int value(text.getIntValue());

  374.                     if (value >= 1)

  375.                         currentMidiBank = value-1;

  376.                 }

  377.                 else if (tag.equalsIgnoreCase("currentmidiprogram") || tag.equalsIgnoreCase("current-midi-program"))

  378.                 {

  379.                     const int value(text.getIntValue());

  380.                     if (value >= 1)

  381.                         currentMidiProgram = value-1;

  382.                 }

  383. 

  384.                 // -------------------------------------------------------

  385.                 // Parameters

  386. 

  387.                 else if (tag.equalsIgnoreCase("parameter"))

  388.                 {

  389.                     StateParameter* const stateParameter(new StateParameter());

  390. 

  391.                     for (XmlElement* xmlSubData = xmlData->getFirstChildElement(); xmlSubData != nullptr; xmlSubData = xmlSubData->getNextElement())

  392.                     {

  393.                         const String& pTag(xmlSubData->getTagName());

  394.                         const String  pText(xmlSubData->getAllSubText().trim());

  395. 

  396.                         if (pTag.equalsIgnoreCase("index"))

  397.                         {

  398.                             const int index(pText.getIntValue());

  399.                             if (index >= 0)

  400.                                 stateParameter->index = index;

  401.                         }

  402.                         else if (pTag.equalsIgnoreCase("name"))

  403.                         {

  404.                             stateParameter->name = xmlSafeStringCharDup(pText, false);

  405.                         }

  406.                         else if (pTag.equalsIgnoreCase("symbol"))

  407.                         {

  408.                             stateParameter->symbol = xmlSafeStringCharDup(pText, false);

  409.                         }

  410.                         else if (pTag.equalsIgnoreCase("value"))

  411.                         {

  412.                             stateParameter->value = pText.getFloatValue();

  413.                         }

  414. 

  415. #ifndef BUILD_BRIDGE

  416.                         else if (pTag.equalsIgnoreCase("midichannel") || pTag.equalsIgnoreCase("midi-channel"))

  417.                         {

  418.                             const int channel(pText.getIntValue());

  419.                             if (channel >= 1 && channel <= MAX_MIDI_CHANNELS)

  420.                                 stateParameter->midiChannel = static_cast<uint8_t>(channel-1);

  421.                         }

  422.                         else if (pTag.equalsIgnoreCase("midicc") || pTag.equalsIgnoreCase("midi-cc"))

  423.                         {

  424.                             const int cc(pText.getIntValue());

  425.                             if (cc >= -1 && cc < MAX_MIDI_CONTROL)

  426.                                 stateParameter->midiCC = static_cast<int16_t>(cc);

  427.                         }

  428. #endif

  429.                     }

  430. 

  431.                     parameters.append(stateParameter);

  432.                 }

  433. 

  434.                 // -------------------------------------------------------

  435.                 // Custom Data

  436. 

  437.                 else if (tag.equalsIgnoreCase("customdata") || tag.equalsIgnoreCase("custom-data"))

  438.                 {

  439.                     StateCustomData* const stateCustomData(new StateCustomData());

  440. 

  441.                     for (XmlElement* xmlSubData = xmlData->getFirstChildElement(); xmlSubData != nullptr; xmlSubData = xmlSubData->getNextElement())

  442.                     {

  443.                         const String& cTag(xmlSubData->getTagName());

  444.                         const String  cText(xmlSubData->getAllSubText().trim());

  445. 

  446.                         if (cTag.equalsIgnoreCase("type"))

  447.                             stateCustomData->type = xmlSafeStringCharDup(cText, false);

  448.                         else if (cTag.equalsIgnoreCase("key"))

  449.                             stateCustomData->key = xmlSafeStringCharDup(cText, false);

  450.                         else if (cTag.equalsIgnoreCase("value"))

  451.                             stateCustomData->value = carla_strdup(cText.toRawUTF8()); //xmlSafeStringCharDup(cText, false);

  452.                     }

  453. 

  454.                     customData.append(stateCustomData);

  455.                 }

  456. 

  457.                 // -------------------------------------------------------

  458.                 // Chunk

  459. 

  460.                 else if (tag.equalsIgnoreCase("chunk"))

  461.                 {

  462.                     const String nText(text.replace("\n", ""));

  463.                     chunk = xmlSafeStringCharDup(nText, false);

  464.                 }

  465.             }

  466.         }

  467.     }

  468. 

  469.     return true;

  470. }

  471. 

  472. // -----------------------------------------------------------------------

  473. // fillXmlStringFromStateSave

  474. 

  475. String StateSave::toString() const

  476. {

  477.     String content;

  478. 

  479.     {

  480.         String infoXml("  <Info>\n");

  481. 

  482.         infoXml << "   <Type>" << String(type != nullptr ? type : "") << "</Type>\n";

  483.         infoXml << "   <Name>" << xmlSafeString(name, true) << "</Name>\n";

  484. 

  485.         switch (getPluginTypeFromString(type))

  486.         {

  487.         case PLUGIN_NONE:

  488.             break;

  489.         case PLUGIN_INTERNAL:

  490.             infoXml << "   <Label>"    << xmlSafeString(label, true)  << "</Label>\n";

  491.             break;

  492.         case PLUGIN_LADSPA:

  493.             infoXml << "   <Binary>"   << xmlSafeString(binary, true) << "</Binary>\n";

  494.             infoXml << "   <Label>"    << xmlSafeString(label, true)  << "</Label>\n";

  495.             infoXml << "   <UniqueID>" << uniqueId                    << "</UniqueID>\n";

  496.             break;

  497.         case PLUGIN_DSSI:

  498.             infoXml << "   <Binary>"   << xmlSafeString(binary, true) << "</Binary>\n";

  499.             infoXml << "   <Label>"    << xmlSafeString(label, true)  << "</Label>\n";

  500.             break;

  501.         case PLUGIN_LV2:

  502.             infoXml << "   <URI>"      << xmlSafeString(label, true)  << "</URI>\n";

  503.             break;

  504.         case PLUGIN_VST2:

  505.             infoXml << "   <Binary>"   << xmlSafeString(binary, true) << "</Binary>\n";

  506.             infoXml << "   <UniqueID>" << uniqueId                    << "</UniqueID>\n";

  507.             break;

  508.         case PLUGIN_VST3:

  509.             infoXml << "   <Binary>"   << xmlSafeString(binary, true) << "</Binary>\n";

  510.             infoXml << "   <Label>"    << xmlSafeString(label, true)  << "</Label>\n";

  511.             break;

  512.         case PLUGIN_AU:

  513.             infoXml << "   <Identifier>" << xmlSafeString(label, true) << "</Identifier>\n";

  514.             break;

  515.         case PLUGIN_GIG:

  516.         case PLUGIN_SF2:

  517.             infoXml << "   <Filename>"   << xmlSafeString(binary, true) << "</Filename>\n";

  518.             infoXml << "   <Label>"      << xmlSafeString(label, true)  << "</Label>\n";

  519.             break;

  520.         case PLUGIN_SFZ:

  521.             infoXml << "   <Filename>"   << xmlSafeString(binary, true) << "</Filename>\n";

  522.             break;

  523.         }

  524. 

  525.         infoXml << "  </Info>\n\n";

  526. 

  527.         content << infoXml;

  528.     }

  529. 

  530.     content << "  <Data>\n";

  531. 

  532. #ifndef BUILD_BRIDGE

  533.     {

  534.         String dataXml;

  535. 

  536.         dataXml << "   <Active>" << (active ? "Yes" : "No") << "</Active>\n";

  537. 

  538.         if (! carla_compareFloats(dryWet, 1.0f))

  539.             dataXml << "   <DryWet>"        << String(dryWet, 7)       << "</DryWet>\n";

  540.         if (! carla_compareFloats(volume, 1.0f))

  541.             dataXml << "   <Volume>"        << String(volume, 7)       << "</Volume>\n";

  542.         if (! carla_compareFloats(balanceLeft, -1.0f))

  543.             dataXml << "   <Balance-Left>"  << String(balanceLeft, 7)  << "</Balance-Left>\n";

  544.         if (! carla_compareFloats(balanceRight, 1.0f))

  545.             dataXml << "   <Balance-Right>" << String(balanceRight, 7) << "</Balance-Right>\n";

  546.         if (! carla_compareFloats(panning, 0.0f))

  547.             dataXml << "   <Panning>"       << String(panning, 7)      << "</Panning>\n";

  548. 

  549.         if (ctrlChannel < 0)

  550.             dataXml << "   <ControlChannel>N</ControlChannel>\n";

  551.         else

  552.             dataXml << "   <ControlChannel>" << int(ctrlChannel+1) << "</ControlChannel>\n";

  553. 

  554.         dataXml << "   <Options>0x" << String::toHexString(static_cast<int>(options)) << "</Options>\n";

  555. 

  556.         content << dataXml;

  557.     }

  558. #endif

  559. 

  560.     for (StateParameterItenerator it = parameters.begin(); it.valid(); it.next())

  561.     {

  562.         StateParameter* const stateParameter(it.getValue());

  563. 

  564.         String parameterXml("\n""   <Parameter>\n");

  565. 

  566.         parameterXml << "    <Index>" << String(stateParameter->index)             << "</Index>\n";

  567.         parameterXml << "    <Name>"  << xmlSafeString(stateParameter->name, true) << "</Name>\n";

  568. 

  569.         if (stateParameter->symbol != nullptr && stateParameter->symbol[0] != '\0')

  570.             parameterXml << "    <Symbol>" << xmlSafeString(stateParameter->symbol, true) << "</Symbol>\n";

  571. 

  572.         if (stateParameter->isInput)

  573.             parameterXml << "    <Value>" << String(stateParameter->value, 15) << "</Value>\n";

  574. 

  575. #ifndef BUILD_BRIDGE

  576.         if (stateParameter->midiCC > 0)

  577.         {

  578.             parameterXml << "    <MidiCC>"      << stateParameter->midiCC        << "</MidiCC>\n";

  579.             parameterXml << "    <MidiChannel>" << stateParameter->midiChannel+1 << "</MidiChannel>\n";

  580.         }

  581. #endif

  582. 

  583.         parameterXml << "   </Parameter>\n";

  584. 

  585.         content << parameterXml;

  586.     }

  587. 

  588.     if (currentProgramIndex >= 0 && currentProgramName != nullptr && currentProgramName[0] != '\0')

  589.     {

  590.         // ignore 'default' program

  591.         if (currentProgramIndex > 0 || ! String(currentProgramName).equalsIgnoreCase("default"))

  592.         {

  593.             String programXml("\n");

  594.             programXml << "   <CurrentProgramIndex>" << currentProgramIndex+1                   << "</CurrentProgramIndex>\n";

  595.             programXml << "   <CurrentProgramName>"  << xmlSafeString(currentProgramName, true) << "</CurrentProgramName>\n";

  596. 

  597.             content << programXml;

  598.         }

  599.     }

  600. 

  601.     if (currentMidiBank >= 0 && currentMidiProgram >= 0)

  602.     {

  603.         String midiProgramXml("\n");

  604.         midiProgramXml << "   <CurrentMidiBank>"    << currentMidiBank+1    << "</CurrentMidiBank>\n";

  605.         midiProgramXml << "   <CurrentMidiProgram>" << currentMidiProgram+1 << "</CurrentMidiProgram>\n";

  606. 

  607.         content << midiProgramXml;

  608.     }

  609. 

  610.     for (StateCustomDataItenerator it = customData.begin(); it.valid(); it.next())

  611.     {

  612.         StateCustomData* const stateCustomData(it.getValue());

  613.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData->type  != nullptr && stateCustomData->type[0] != '\0');

  614.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData->key   != nullptr && stateCustomData->key[0]  != '\0');

  615.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData->value != nullptr);

  616. 

  617.         String customDataXml("\n""   <CustomData>\n");

  618.         customDataXml << "    <Type>" << xmlSafeString(stateCustomData->type, true) << "</Type>\n";

  619.         customDataXml << "    <Key>"  << xmlSafeString(stateCustomData->key, true)  << "</Key>\n";

  620. 

  621.         if (std::strcmp(stateCustomData->type, CUSTOM_DATA_TYPE_CHUNK) == 0 || std::strlen(stateCustomData->value) >= 128)

  622.         {

  623.             customDataXml << "    <Value>\n";

  624.             customDataXml << xmlSafeStringFast(stateCustomData->value, true);

  625.             customDataXml << "\n    </Value>\n";

  626.         }

  627.         else

  628.         {

  629.             customDataXml << "    <Value>";

  630.             customDataXml << xmlSafeStringFast(stateCustomData->value, true);

  631.             customDataXml << "</Value>\n";

  632.         }

  633. 

  634.         customDataXml << "   </CustomData>\n";

  635. 

  636.         content << customDataXml;

  637.     }

  638. 

  639.     if (chunk != nullptr && chunk[0] != '\0')

  640.     {

  641.         String chunkXml("\n""   <Chunk>\n");

  642.         chunkXml << getNewLineSplittedString(chunk) << "\n   </Chunk>\n";

  643. 

  644.         content << chunkXml;

  645.     }

  646. 

  647.     content << "  </Data>\n";

  648. 

  649.     return content;

  650. }

  651. 

  652. // -----------------------------------------------------------------------

  653. 

  654. CARLA_BACKEND_END_NAMESPACE