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Carla/source/utils/CarlaStateUtils.cpp

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  1. /*

  2.  * Carla State utils

  3.  * Copyright (C) 2012-2020 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 "water/streams/MemoryOutputStream.h"

  25. #include "water/xml/XmlElement.h"

  26. 

  27. #include <string>

  28. 

  29. using water::MemoryOutputStream;

  30. using water::String;

  31. using water::XmlElement;

  32. 

  33. CARLA_BACKEND_START_NAMESPACE

  34. 

  35. // -----------------------------------------------------------------------

  36. // getNewLineSplittedString

  37. 

  38. static void getNewLineSplittedString(MemoryOutputStream& stream, const String& string)

  39. {

  40.     static const int kLineWidth = 120;

  41. 

  42.     int i = 0;

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

  44.     const char* const raw = string.toUTF8();

  45. 

  46.     stream.preallocate(static_cast<std::size_t>(length + length/kLineWidth + 3));

  47. 

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

  49.     {

  50.         stream.write(raw+i, kLineWidth);

  51.         stream.writeByte('\n');

  52.     }

  53. 

  54.     stream << (raw+i);

  55. }

  56. 

  57. // -----------------------------------------------------------------------

  58. // xmlSafeStringFast

  59. 

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

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

  62. 

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

  64. {

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

  66.     std::string retval;

  67. 

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

  69.     {

  70.         retval.append(current, next);

  71.         retval.append(after);

  72.         current = next + static_cast<ssize_t>(before.size());

  73.     }

  74.     retval.append(current, next);

  75.     return retval;

  76. }

  77. 

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

  79. {

  80.     std::string string(cstring);

  81. 

  82.     if (toXml)

  83.     {

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

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

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

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

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

  89.     }

  90.     else

  91.     {

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

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

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

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

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

  97.     }

  98. 

  99.     return string;

  100. }

  101. 

  102. // -----------------------------------------------------------------------

  103. // xmlSafeStringCharDup

  104. 

  105. /*

  106. static const char* xmlSafeStringCharDup(const char* const cstring, const bool toXml)

  107. {

  108.     return carla_strdup(xmlSafeString(cstring, toXml).toRawUTF8());

  109. }

  110. */

  111. 

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

  113. {

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

  115. }

  116. 

  117. // -----------------------------------------------------------------------

  118. // StateParameter

  119. 

  120. CarlaStateSave::Parameter::Parameter() noexcept

  121.     : dummy(true),

  122.       index(-1),

  123.       name(nullptr),

  124.       symbol(nullptr),

  125. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  126.       value(0.0f),

  127.       mappedControlIndex(CONTROL_INDEX_NONE),

  128.       midiChannel(0),

  129.       mappedRangeValid(false),

  130.       mappedMinimum(0.0f),

  131.       mappedMaximum(1.0f) {}

  132. #else

  133.       value(0.0f) {}

  134. #endif

  135. 

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

  137. {

  138.     if (name != nullptr)

  139.     {

  140.         delete[] name;

  141.         name = nullptr;

  142.     }

  143.     if (symbol != nullptr)

  144.     {

  145.         delete[] symbol;

  146.         symbol = nullptr;

  147.     }

  148. }

  149. 

  150. // -----------------------------------------------------------------------

  151. // StateCustomData

  152. 

  153. CarlaStateSave::CustomData::CustomData() noexcept

  154.     : type(nullptr),

  155.       key(nullptr),

  156.       value(nullptr) {}

  157. 

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

  159. {

  160.     if (type != nullptr)

  161.     {

  162.         delete[] type;

  163.         type = nullptr;

  164.     }

  165.     if (key != nullptr)

  166.     {

  167.         delete[] key;

  168.         key = nullptr;

  169.     }

  170.     if (value != nullptr)

  171.     {

  172.         delete[] value;

  173.         value = nullptr;

  174.     }

  175. }

  176. 

  177. bool CarlaStateSave::CustomData::isValid() const noexcept

  178. {

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

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

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

  182.     return true;

  183. }

  184. 

  185. // -----------------------------------------------------------------------

  186. // StateSave

  187. 

  188. CarlaStateSave::CarlaStateSave() noexcept

  189.     : type(nullptr),

  190.       name(nullptr),

  191.       label(nullptr),

  192.       binary(nullptr),

  193.       uniqueId(0),

  194.       options(0x0),

  195.       temporary(false),

  196. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  197.       active(false),

  198.       dryWet(1.0f),

  199.       volume(1.0f),

  200.       balanceLeft(-1.0f),

  201.       balanceRight(1.0f),

  202.       panning(0.0f),

  203.       ctrlChannel(-1),

  204. #endif

  205.       currentProgramIndex(-1),

  206.       currentProgramName(nullptr),

  207.       currentMidiBank(-1),

  208.       currentMidiProgram(-1),

  209.       chunk(nullptr),

  210.       parameters(),

  211.       customData() {}

  212. 

  213. CarlaStateSave::~CarlaStateSave() noexcept

  214. {

  215.     clear();

  216. }

  217. 

  218. void CarlaStateSave::clear() noexcept

  219. {

  220.     if (type != nullptr)

  221.     {

  222.         delete[] type;

  223.         type = nullptr;

  224.     }

  225.     if (name != nullptr)

  226.     {

  227.         delete[] name;

  228.         name = nullptr;

  229.     }

  230.     if (label != nullptr)

  231.     {

  232.         delete[] label;

  233.         label = nullptr;

  234.     }

  235.     if (binary != nullptr)

  236.     {

  237.         delete[] binary;

  238.         binary = nullptr;

  239.     }

  240.     if (currentProgramName != nullptr)

  241.     {

  242.         delete[] currentProgramName;

  243.         currentProgramName = nullptr;

  244.     }

  245.     if (chunk != nullptr)

  246.     {

  247.         delete[] chunk;

  248.         chunk = nullptr;

  249.     }

  250. 

  251.     uniqueId = 0;

  252.     options  = 0x0;

  253. 

  254. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  255.     active = false;

  256.     dryWet = 1.0f;

  257.     volume = 1.0f;

  258.     balanceLeft  = -1.0f;

  259.     balanceRight = 1.0f;

  260.     panning      = 0.0f;

  261.     ctrlChannel  = -1;

  262. #endif

  263. 

  264.     currentProgramIndex = -1;

  265.     currentMidiBank     = -1;

  266.     currentMidiProgram  = -1;

  267. 

  268.     for (ParameterItenerator it = parameters.begin2(); it.valid(); it.next())

  269.     {

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

  271.         delete stateParameter;

  272.     }

  273. 

  274.     for (CustomDataItenerator it = customData.begin2(); it.valid(); it.next())

  275.     {

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

  277.         delete stateCustomData;

  278.     }

  279. 

  280.     parameters.clear();

  281.     customData.clear();

  282. }

  283. 

  284. // -----------------------------------------------------------------------

  285. // fillFromXmlElement

  286. 

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

  288. {

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

  290. 

  291.     clear();

  292. 

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

  294.     {

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

  296. 

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

  298.         // Info

  299. 

  300.         if (tagName == "Info")

  301.         {

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

  303.             {

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

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

  306. 

  307.                 /**/ if (tag == "Type")

  308.                     type = xmlSafeStringCharDup(text, false);

  309.                 else if (tag == "Name")

  310.                     name = xmlSafeStringCharDup(text, false);

  311.                 else if (tag == "Label" || tag == "URI" || tag == "Identifier" || tag == "Setup")

  312.                     label = xmlSafeStringCharDup(text, false);

  313.                 else if (tag == "Binary" || tag == "Filename")

  314.                     binary = xmlSafeStringCharDup(text, false);

  315.                 else if (tag == "UniqueID")

  316.                     uniqueId = text.getLargeIntValue();

  317.             }

  318.         }

  319. 

  320.         // ---------------------------------------------------------------

  321.         // Data

  322. 

  323.         else if (tagName == "Data")

  324.         {

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

  326.             {

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

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

  329. 

  330. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  331.                 // -------------------------------------------------------

  332.                 // Internal Data

  333. 

  334.                 /**/ if (tag == "Active")

  335.                 {

  336.                     active = (text == "Yes");

  337.                 }

  338.                 else if (tag == "DryWet")

  339.                 {

  340.                     dryWet = carla_fixedValue(0.0f, 1.0f, text.getFloatValue());

  341.                 }

  342.                 else if (tag == "Volume")

  343.                 {

  344.                     volume = carla_fixedValue(0.0f, 1.27f, text.getFloatValue());

  345.                 }

  346.                 else if (tag == "Balance-Left")

  347.                 {

  348.                     balanceLeft = carla_fixedValue(-1.0f, 1.0f, text.getFloatValue());

  349.                 }

  350.                 else if (tag == "Balance-Right")

  351.                 {

  352.                     balanceRight = carla_fixedValue(-1.0f, 1.0f, text.getFloatValue());

  353.                 }

  354.                 else if (tag == "Panning")

  355.                 {

  356.                     panning = carla_fixedValue(-1.0f, 1.0f, text.getFloatValue());

  357.                 }

  358.                 else if (tag == "ControlChannel")

  359.                 {

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

  361.                     {

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

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

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

  365.                     }

  366.                 }

  367.                 else if (tag == "Options")

  368.                 {

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

  370.                     if (value > 0)

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

  372.                 }

  373. #else

  374.                 if (false) {}

  375. #endif

  376. 

  377.                 // -------------------------------------------------------

  378.                 // Program (current)

  379. 

  380.                 else if (tag == "CurrentProgramIndex")

  381.                 {

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

  383.                     if (value >= 1)

  384.                         currentProgramIndex = value-1;

  385.                 }

  386.                 else if (tag == "CurrentProgramName")

  387.                 {

  388.                     currentProgramName = xmlSafeStringCharDup(text, false);

  389.                 }

  390. 

  391.                 // -------------------------------------------------------

  392.                 // Midi Program (current)

  393. 

  394.                 else if (tag == "CurrentMidiBank")

  395.                 {

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

  397.                     if (value >= 1)

  398.                         currentMidiBank = value-1;

  399.                 }

  400.                 else if (tag == "CurrentMidiProgram")

  401.                 {

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

  403.                     if (value >= 1)

  404.                         currentMidiProgram = value-1;

  405.                 }

  406. 

  407.                 // -------------------------------------------------------

  408.                 // Parameters

  409. 

  410.                 else if (tag == "Parameter")

  411.                 {

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

  413. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  414.                     bool hasMappedMinimum = false, hasMappedMaximum = false;

  415. #endif

  416. 

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

  418.                     {

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

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

  421. 

  422.                         /**/ if (pTag == "Index")

  423.                         {

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

  425.                             if (index >= 0)

  426.                                 stateParameter->index = index;

  427.                         }

  428.                         else if (pTag == "Name")

  429.                         {

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

  431.                         }

  432.                         else if (pTag == "Symbol")

  433.                         {

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

  435.                         }

  436.                         else if (pTag == "Value")

  437.                         {

  438.                             stateParameter->dummy = false;

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

  440.                         }

  441. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  442.                         else if (pTag == "MidiChannel")

  443.                         {

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

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

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

  447.                         }

  448.                         else if (pTag == "MidiCC")

  449.                         {

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

  451.                             if (cc > 0 && cc < MAX_MIDI_CONTROL)

  452.                                 stateParameter->mappedControlIndex = static_cast<int16_t>(cc);

  453.                         }

  454.                         else if (pTag == "MappedControlIndex")

  455.                         {

  456.                             const int ctrl(pText.getIntValue());

  457.                             if (ctrl > CONTROL_INDEX_NONE && ctrl <= CONTROL_INDEX_MAX_ALLOWED)

  458.                                 if (ctrl != CONTROL_INDEX_MIDI_LEARN)

  459.                                     stateParameter->mappedControlIndex = static_cast<int16_t>(ctrl);

  460.                         }

  461.                         else if (pTag == "MappedMinimum")

  462.                         {

  463.                             hasMappedMinimum = true;

  464.                             stateParameter->mappedMinimum = pText.getFloatValue();

  465.                         }

  466.                         else if (pTag == "MappedMaximum")

  467.                         {

  468.                             hasMappedMaximum = true;

  469.                             stateParameter->mappedMaximum = pText.getFloatValue();

  470.                         }

  471. #endif

  472.                     }

  473. 

  474. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  475.                     if (hasMappedMinimum && hasMappedMaximum)

  476.                         stateParameter->mappedRangeValid = true;

  477. #endif

  478. 

  479.                     parameters.append(stateParameter);

  480.                 }

  481. 

  482.                 // -------------------------------------------------------

  483.                 // Custom Data

  484. 

  485.                 else if (tag == "CustomData")

  486.                 {

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

  488. 

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

  490.                     {

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

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

  493. 

  494.                         /**/ if (cTag == "Type")

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

  496.                         else if (cTag == "Key")

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

  498.                         else if (cTag == "Value")

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

  500.                     }

  501. 

  502.                     if (stateCustomData->isValid())

  503.                         customData.append(stateCustomData);

  504.                     else

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

  506.                 }

  507. 

  508.                 // -------------------------------------------------------

  509.                 // Chunk

  510. 

  511.                 else if (tag == "Chunk")

  512.                 {

  513.                     chunk = carla_strdup(text.toRawUTF8());

  514.                 }

  515.             }

  516.         }

  517.     }

  518. 

  519.     return true;

  520. }

  521. 

  522. // -----------------------------------------------------------------------

  523. // fillXmlStringFromStateSave

  524. 

  525. void CarlaStateSave::dumpToMemoryStream(MemoryOutputStream& content) const

  526. {

  527.     {

  528.         MemoryOutputStream infoXml;

  529. 

  530.         infoXml << "  <Info>\n";

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

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

  533. 

  534.         switch (getPluginTypeFromString(type))

  535.         {

  536.         case PLUGIN_NONE:

  537.             break;

  538.         case PLUGIN_INTERNAL:

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

  540.             break;

  541.         case PLUGIN_LADSPA:

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

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

  544.             infoXml << "   <UniqueID>" << water::int64(uniqueId)       << "</UniqueID>\n";

  545.             break;

  546.         case PLUGIN_DSSI:

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

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

  549.             break;

  550.         case PLUGIN_LV2:

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

  552.             break;

  553.         case PLUGIN_VST2:

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

  555.             infoXml << "   <UniqueID>" << water::int64(uniqueId)       << "</UniqueID>\n";

  556.             break;

  557.         case PLUGIN_VST3:

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

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

  560.             break;

  561.         case PLUGIN_AU:

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

  563.             break;

  564.         case PLUGIN_DLS:

  565.         case PLUGIN_GIG:

  566.         case PLUGIN_SF2:

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

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

  569.             break;

  570.         case PLUGIN_SFZ:

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

  572.             break;

  573.         case PLUGIN_JACK:

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

  575.             infoXml << "   <Setup>"      << xmlSafeString(label, true)  << "</Setup>\n";

  576.             break;

  577.         }

  578. 

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

  580. 

  581.         content << infoXml;

  582.     }

  583. 

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

  585. 

  586. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  587.     {

  588.         MemoryOutputStream dataXml;

  589. 

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

  591. 

  592.         if (carla_isNotEqual(dryWet, 1.0f))

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

  594.         if (carla_isNotEqual(volume, 1.0f))

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

  596.         if (carla_isNotEqual(balanceLeft, -1.0f))

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

  598.         if (carla_isNotEqual(balanceRight, 1.0f))

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

  600.         if (carla_isNotEqual(panning, 0.0f))

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

  602. 

  603.         if (ctrlChannel < 0)

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

  605.         else

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

  607. 

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

  609. 

  610.         content << dataXml;

  611.     }

  612. #endif

  613. 

  614.     for (ParameterItenerator it = parameters.begin2(); it.valid(); it.next())

  615.     {

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

  617.         CARLA_SAFE_ASSERT_CONTINUE(stateParameter != nullptr);

  618. 

  619.         MemoryOutputStream parameterXml;

  620. 

  621.         parameterXml << "\n";

  622.         parameterXml << "   <Parameter>\n";

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

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

  625. 

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

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

  628. 

  629. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  630.         if (stateParameter->mappedControlIndex > CONTROL_INDEX_NONE && stateParameter->mappedControlIndex <= CONTROL_INDEX_MAX_ALLOWED)

  631.         {

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

  633.             parameterXml << "    <MappedControlIndex>" << stateParameter->mappedControlIndex << "</MappedControlIndex>\n";

  634. 

  635.             if (stateParameter->mappedRangeValid)

  636.             {

  637.                 parameterXml << "    <MappedMinimum>" << String(stateParameter->mappedMinimum, 15) << "</MappedMinimum>\n";

  638.                 parameterXml << "    <MappedMaximum>" << String(stateParameter->mappedMaximum, 15) << "</MappedMaximum>\n";

  639.             }

  640. 

  641.             // backwards compatibility for older carla versions

  642.             if (stateParameter->mappedControlIndex > 0 && stateParameter->mappedControlIndex < MAX_MIDI_CONTROL)

  643.                 parameterXml << "    <MidiCC>" << stateParameter->mappedControlIndex << "</MidiCC>\n";

  644.         }

  645. #endif

  646. 

  647.         if (! stateParameter->dummy)

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

  649. 

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

  651. 

  652.         content << parameterXml;

  653.     }

  654. 

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

  656.     {

  657.         // ignore 'default' program

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

  659.         {

  660.             MemoryOutputStream programXml;

  661. 

  662.             programXml << "\n";

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

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

  665. 

  666.             content << programXml;

  667.         }

  668.     }

  669. 

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

  671.     {

  672.         MemoryOutputStream midiProgramXml;

  673. 

  674.         midiProgramXml << "\n";

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

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

  677. 

  678.         content << midiProgramXml;

  679.     }

  680. 

  681.     for (CustomDataItenerator it = customData.begin2(); it.valid(); it.next())

  682.     {

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

  684.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData != nullptr);

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

  686. 

  687.         MemoryOutputStream customDataXml;

  688. 

  689.         customDataXml << "\n";

  690.         customDataXml << "   <CustomData>\n";

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

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

  693. 

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

  695.         {

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

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

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

  699.         }

  700.         else

  701.         {

  702.             customDataXml << "    <Value>";

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

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

  705.         }

  706. 

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

  708. 

  709.         content << customDataXml;

  710.     }

  711. 

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

  713.     {

  714.         MemoryOutputStream chunkXml, chunkSplt;

  715.         getNewLineSplittedString(chunkSplt, chunk);

  716. 

  717.         chunkXml << "\n   <Chunk>\n";

  718.         chunkXml << chunkSplt;

  719.         chunkXml << "\n   </Chunk>\n";

  720. 

  721.         content << chunkXml;

  722.     }

  723. 

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

  725. }

  726. 

  727. // -----------------------------------------------------------------------

  728. 

  729. CARLA_BACKEND_END_NAMESPACE