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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. CarlaStateSave::Parameter::Parameter() 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. CarlaStateSave::Parameter::~Parameter() 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. CarlaStateSave::CustomData::CustomData() noexcept

  142.     : type(nullptr),

  143.       key(nullptr),

  144.       value(nullptr) {}

  145. 

  146. CarlaStateSave::CustomData::~CustomData() 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. bool CarlaStateSave::CustomData::isValid() const noexcept

  166. {

  167.     if (type  == nullptr || type[0] == '\0') return false;

  168.     if (key   == nullptr || key [0] == '\0') return false;

  169.     if (value == nullptr)                    return false;

  170.     return true;

  171. }

  172. 

  173. // -----------------------------------------------------------------------

  174. // StateSave

  175. 

  176. CarlaStateSave::CarlaStateSave() noexcept

  177.     : type(nullptr),

  178.       name(nullptr),

  179.       label(nullptr),

  180.       binary(nullptr),

  181.       uniqueId(0),

  182. #ifndef BUILD_BRIDGE

  183.       active(false),

  184.       dryWet(1.0f),

  185.       volume(1.0f),

  186.       balanceLeft(-1.0f),

  187.       balanceRight(1.0f),

  188.       panning(0.0f),

  189.       ctrlChannel(-1),

  190.       options(0x0),

  191. #endif

  192.       currentProgramIndex(-1),

  193.       currentProgramName(nullptr),

  194.       currentMidiBank(-1),

  195.       currentMidiProgram(-1),

  196.       chunk(nullptr),

  197.       parameters(),

  198.       customData() {}

  199. 

  200. CarlaStateSave::~CarlaStateSave() noexcept

  201. {

  202.     clear();

  203. }

  204. 

  205. void CarlaStateSave::clear() noexcept

  206. {

  207.     if (type != nullptr)

  208.     {

  209.         delete[] type;

  210.         type = nullptr;

  211.     }

  212.     if (name != nullptr)

  213.     {

  214.         delete[] name;

  215.         name = nullptr;

  216.     }

  217.     if (label != nullptr)

  218.     {

  219.         delete[] label;

  220.         label = nullptr;

  221.     }

  222.     if (binary != nullptr)

  223.     {

  224.         delete[] binary;

  225.         binary = nullptr;

  226.     }

  227.     if (currentProgramName != nullptr)

  228.     {

  229.         delete[] currentProgramName;

  230.         currentProgramName = nullptr;

  231.     }

  232.     if (chunk != nullptr)

  233.     {

  234.         delete[] chunk;

  235.         chunk = nullptr;

  236.     }

  237. 

  238.     uniqueId = 0;

  239. #ifndef BUILD_BRIDGE

  240.     active = false;

  241.     dryWet = 1.0f;

  242.     volume = 1.0f;

  243.     balanceLeft  = -1.0f;

  244.     balanceRight = 1.0f;

  245.     panning      = 0.0f;

  246.     ctrlChannel  = -1;

  247.     options      = 0x0;

  248. #endif

  249.     currentProgramIndex = -1;

  250.     currentMidiBank     = -1;

  251.     currentMidiProgram  = -1;

  252. 

  253.     for (ParameterItenerator it = parameters.begin(); it.valid(); it.next())

  254.     {

  255.         Parameter* const stateParameter(it.getValue(nullptr));

  256.         delete stateParameter;

  257.     }

  258. 

  259.     for (CustomDataItenerator it = customData.begin(); it.valid(); it.next())

  260.     {

  261.         CustomData* const stateCustomData(it.getValue(nullptr));

  262.         delete stateCustomData;

  263.     }

  264. 

  265.     parameters.clear();

  266.     customData.clear();

  267. }

  268. 

  269. // -----------------------------------------------------------------------

  270. // fillFromXmlElement

  271. 

  272. bool CarlaStateSave::fillFromXmlElement(const XmlElement* const xmlElement)

  273. {

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

  275. 

  276.     clear();

  277. 

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

  279.     {

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

  281. 

  282.         // ---------------------------------------------------------------

  283.         // Info

  284. 

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

  286.         {

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

  288.             {

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

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

  291. 

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

  293.                     type = xmlSafeStringCharDup(text, false);

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

  295.                     name = xmlSafeStringCharDup(text, false);

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

  297.                     label = xmlSafeStringCharDup(text, false);

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

  299.                     binary = xmlSafeStringCharDup(text, false);

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

  301.                     uniqueId = text.getLargeIntValue();

  302.             }

  303.         }

  304. 

  305.         // ---------------------------------------------------------------

  306.         // Data

  307. 

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

  309.         {

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

  311.             {

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

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

  314. 

  315. #ifndef BUILD_BRIDGE

  316.                 // -------------------------------------------------------

  317.                 // Internal Data

  318. 

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

  320.                 {

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

  322.                 }

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

  324.                 {

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

  326.                 }

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

  328.                 {

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

  330.                 }

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

  332.                 {

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

  334.                 }

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

  336.                 {

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

  338.                 }

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

  340.                 {

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

  342.                 }

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

  344.                 {

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

  346.                     {

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

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

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

  350.                     }

  351.                 }

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

  353.                 {

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

  355.                     if (value > 0)

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

  357.                 }

  358. #else

  359.                 if (false) {}

  360. #endif

  361. 

  362.                 // -------------------------------------------------------

  363.                 // Program (current)

  364. 

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

  366.                 {

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

  368.                     if (value >= 1)

  369.                         currentProgramIndex = value-1;

  370.                 }

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

  372.                 {

  373.                     currentProgramName = xmlSafeStringCharDup(text, false);

  374.                 }

  375. 

  376.                 // -------------------------------------------------------

  377.                 // Midi Program (current)

  378. 

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

  380.                 {

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

  382.                     if (value >= 1)

  383.                         currentMidiBank = value-1;

  384.                 }

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

  386.                 {

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

  388.                     if (value >= 1)

  389.                         currentMidiProgram = value-1;

  390.                 }

  391. 

  392.                 // -------------------------------------------------------

  393.                 // Parameters

  394. 

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

  396.                 {

  397.                     Parameter* const stateParameter(new Parameter());

  398. 

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

  400.                     {

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

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

  403. 

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

  405.                         {

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

  407.                             if (index >= 0)

  408.                                 stateParameter->index = index;

  409.                         }

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

  411.                         {

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

  413.                         }

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

  415.                         {

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

  417.                         }

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

  419.                         {

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

  421.                         }

  422. 

  423. #ifndef BUILD_BRIDGE

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

  425.                         {

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

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

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

  429.                         }

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

  431.                         {

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

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

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

  435.                         }

  436. #endif

  437.                     }

  438. 

  439.                     parameters.append(stateParameter);

  440.                 }

  441. 

  442.                 // -------------------------------------------------------

  443.                 // Custom Data

  444. 

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

  446.                 {

  447.                     CustomData* const stateCustomData(new CustomData());

  448. 

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

  450.                     {

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

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

  453. 

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

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

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

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

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

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

  460.                     }

  461. 

  462.                     if (stateCustomData->isValid())

  463.                         customData.append(stateCustomData);

  464.                     else

  465.                         carla_stderr("Reading CustomData property failed, missing data");

  466.                 }

  467. 

  468.                 // -------------------------------------------------------

  469.                 // Chunk

  470. 

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

  472.                 {

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

  474.                     chunk = xmlSafeStringCharDup(nText, false);

  475.                 }

  476.             }

  477.         }

  478.     }

  479. 

  480.     return true;

  481. }

  482. 

  483. // -----------------------------------------------------------------------

  484. // fillXmlStringFromStateSave

  485. 

  486. String CarlaStateSave::toString() const

  487. {

  488.     String content;

  489. 

  490.     {

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

  492. 

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

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

  495. 

  496.         switch (getPluginTypeFromString(type))

  497.         {

  498.         case PLUGIN_NONE:

  499.             break;

  500.         case PLUGIN_INTERNAL:

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

  502.             break;

  503.         case PLUGIN_LADSPA:

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

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

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

  507.             break;

  508.         case PLUGIN_DSSI:

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

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

  511.             break;

  512.         case PLUGIN_LV2:

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

  514.             break;

  515.         case PLUGIN_VST2:

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

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

  518.             break;

  519.         case PLUGIN_VST3:

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

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

  522.             break;

  523.         case PLUGIN_AU:

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

  525.             break;

  526.         case PLUGIN_GIG:

  527.         case PLUGIN_SF2:

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

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

  530.             break;

  531.         case PLUGIN_SFZ:

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

  533.             break;

  534.         }

  535. 

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

  537. 

  538.         content << infoXml;

  539.     }

  540. 

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

  542. 

  543. #ifndef BUILD_BRIDGE

  544.     {

  545.         String dataXml;

  546. 

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

  548. 

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

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

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

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

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

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

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

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

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

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

  559. 

  560.         if (ctrlChannel < 0)

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

  562.         else

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

  564. 

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

  566. 

  567.         content << dataXml;

  568.     }

  569. #endif

  570. 

  571.     for (ParameterItenerator it = parameters.begin(); it.valid(); it.next())

  572.     {

  573.         Parameter* const stateParameter(it.getValue(nullptr));

  574.         CARLA_SAFE_ASSERT_CONTINUE(stateParameter != nullptr);

  575. 

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

  577. 

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

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

  580. 

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

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

  583. 

  584.         if (stateParameter->isInput)

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

  586. 

  587. #ifndef BUILD_BRIDGE

  588.         if (stateParameter->midiCC > 0)

  589.         {

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

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

  592.         }

  593. #endif

  594. 

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

  596. 

  597.         content << parameterXml;

  598.     }

  599. 

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

  601.     {

  602.         // ignore 'default' program

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

  604.         {

  605.             String programXml("\n");

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

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

  608. 

  609.             content << programXml;

  610.         }

  611.     }

  612. 

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

  614.     {

  615.         String midiProgramXml("\n");

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

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

  618. 

  619.         content << midiProgramXml;

  620.     }

  621. 

  622.     for (CustomDataItenerator it = customData.begin(); it.valid(); it.next())

  623.     {

  624.         CustomData* const stateCustomData(it.getValue(nullptr));

  625.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData != nullptr);

  626.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData->isValid());

  627. 

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

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

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

  631. 

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

  633.         {

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

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

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

  637.         }

  638.         else

  639.         {

  640.             customDataXml << "    <Value>";

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

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

  643.         }

  644. 

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

  646. 

  647.         content << customDataXml;

  648.     }

  649. 

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

  651.     {

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

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

  654. 

  655.         content << chunkXml;

  656.     }

  657. 

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

  659. 

  660.     return content;

  661. }

  662. 

  663. // -----------------------------------------------------------------------

  664. 

  665. CARLA_BACKEND_END_NAMESPACE