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Carla/source/utils/CarlaStateUtils.cpp

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  1. /*

  2.  * Carla State utils

  3.  * Copyright (C) 2012-2018 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. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  196.       active(false),

  197.       dryWet(1.0f),

  198.       volume(1.0f),

  199.       balanceLeft(-1.0f),

  200.       balanceRight(1.0f),

  201.       panning(0.0f),

  202.       ctrlChannel(-1),

  203. #endif

  204.       currentProgramIndex(-1),

  205.       currentProgramName(nullptr),

  206.       currentMidiBank(-1),

  207.       currentMidiProgram(-1),

  208.       chunk(nullptr),

  209.       parameters(),

  210.       customData() {}

  211. 

  212. CarlaStateSave::~CarlaStateSave() noexcept

  213. {

  214.     clear();

  215. }

  216. 

  217. void CarlaStateSave::clear() noexcept

  218. {

  219.     if (type != nullptr)

  220.     {

  221.         delete[] type;

  222.         type = nullptr;

  223.     }

  224.     if (name != nullptr)

  225.     {

  226.         delete[] name;

  227.         name = nullptr;

  228.     }

  229.     if (label != nullptr)

  230.     {

  231.         delete[] label;

  232.         label = nullptr;

  233.     }

  234.     if (binary != nullptr)

  235.     {

  236.         delete[] binary;

  237.         binary = nullptr;

  238.     }

  239.     if (currentProgramName != nullptr)

  240.     {

  241.         delete[] currentProgramName;

  242.         currentProgramName = nullptr;

  243.     }

  244.     if (chunk != nullptr)

  245.     {

  246.         delete[] chunk;

  247.         chunk = nullptr;

  248.     }

  249. 

  250.     uniqueId = 0;

  251.     options  = 0x0;

  252. 

  253. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  254.     active = false;

  255.     dryWet = 1.0f;

  256.     volume = 1.0f;

  257.     balanceLeft  = -1.0f;

  258.     balanceRight = 1.0f;

  259.     panning      = 0.0f;

  260.     ctrlChannel  = -1;

  261. #endif

  262. 

  263.     currentProgramIndex = -1;

  264.     currentMidiBank     = -1;

  265.     currentMidiProgram  = -1;

  266. 

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

  268.     {

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

  270.         delete stateParameter;

  271.     }

  272. 

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

  274.     {

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

  276.         delete stateCustomData;

  277.     }

  278. 

  279.     parameters.clear();

  280.     customData.clear();

  281. }

  282. 

  283. // -----------------------------------------------------------------------

  284. // fillFromXmlElement

  285. 

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

  287. {

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

  289. 

  290.     clear();

  291. 

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

  293.     {

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

  295. 

  296.         // ---------------------------------------------------------------

  297.         // Info

  298. 

  299.         if (tagName == "Info")

  300.         {

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

  302.             {

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

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

  305. 

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

  307.                     type = xmlSafeStringCharDup(text, false);

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

  309.                     name = xmlSafeStringCharDup(text, false);

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

  311.                     label = xmlSafeStringCharDup(text, false);

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

  313.                     binary = xmlSafeStringCharDup(text, false);

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

  315.                     uniqueId = text.getLargeIntValue();

  316.             }

  317.         }

  318. 

  319.         // ---------------------------------------------------------------

  320.         // Data

  321. 

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

  323.         {

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

  325.             {

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

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

  328. 

  329. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  330.                 // -------------------------------------------------------

  331.                 // Internal Data

  332. 

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

  334.                 {

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

  336.                 }

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

  338.                 {

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

  340.                 }

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

  342.                 {

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

  344.                 }

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

  346.                 {

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

  348.                 }

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

  350.                 {

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

  352.                 }

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

  354.                 {

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

  356.                 }

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

  358.                 {

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

  360.                     {

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

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

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

  364.                     }

  365.                 }

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

  367.                 {

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

  369.                     if (value > 0)

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

  371.                 }

  372. #else

  373.                 if (false) {}

  374. #endif

  375. 

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

  377.                 // Program (current)

  378. 

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

  380.                 {

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

  382.                     if (value >= 1)

  383.                         currentProgramIndex = value-1;

  384.                 }

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

  386.                 {

  387.                     currentProgramName = xmlSafeStringCharDup(text, false);

  388.                 }

  389. 

  390.                 // -------------------------------------------------------

  391.                 // Midi Program (current)

  392. 

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

  394.                 {

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

  396.                     if (value >= 1)

  397.                         currentMidiBank = value-1;

  398.                 }

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

  400.                 {

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

  402.                     if (value >= 1)

  403.                         currentMidiProgram = value-1;

  404.                 }

  405. 

  406.                 // -------------------------------------------------------

  407.                 // Parameters

  408. 

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

  410.                 {

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

  412. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  413.                     bool hasMappedMinimum = false, hasMappedMaximum = false;

  414. #endif

  415. 

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

  417.                     {

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

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

  420. 

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

  422.                         {

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

  424.                             if (index >= 0)

  425.                                 stateParameter->index = index;

  426.                         }

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

  428.                         {

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

  430.                         }

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

  432.                         {

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

  434.                         }

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

  436.                         {

  437.                             stateParameter->dummy = false;

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

  439.                         }

  440. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

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

  442.                         {

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

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

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

  446.                         }

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

  448.                         {

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

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

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

  452.                         }

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

  454.                         {

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

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

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

  458.                         }

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

  460.                         {

  461.                             hasMappedMinimum = true;

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

  463.                         }

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

  465.                         {

  466.                             hasMappedMaximum = true;

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

  468.                         }

  469. #endif

  470.                     }

  471. 

  472. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  473.                     if (hasMappedMinimum && hasMappedMaximum)

  474.                         stateParameter->mappedRangeValid = true;

  475. #endif

  476. 

  477.                     parameters.append(stateParameter);

  478.                 }

  479. 

  480.                 // -------------------------------------------------------

  481.                 // Custom Data

  482. 

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

  484.                 {

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

  486. 

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

  488.                     {

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

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

  491. 

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

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

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

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

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

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

  498.                     }

  499. 

  500.                     if (stateCustomData->isValid())

  501.                         customData.append(stateCustomData);

  502.                     else

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

  504.                 }

  505. 

  506.                 // -------------------------------------------------------

  507.                 // Chunk

  508. 

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

  510.                 {

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

  512.                 }

  513.             }

  514.         }

  515.     }

  516. 

  517.     return true;

  518. }

  519. 

  520. // -----------------------------------------------------------------------

  521. // fillXmlStringFromStateSave

  522. 

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

  524. {

  525.     {

  526.         MemoryOutputStream infoXml;

  527. 

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

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

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

  531. 

  532.         switch (getPluginTypeFromString(type))

  533.         {

  534.         case PLUGIN_NONE:

  535.             break;

  536.         case PLUGIN_INTERNAL:

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

  538.             break;

  539.         case PLUGIN_LADSPA:

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

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

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

  543.             break;

  544.         case PLUGIN_DSSI:

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

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

  547.             break;

  548.         case PLUGIN_LV2:

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

  550.             break;

  551.         case PLUGIN_VST2:

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

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

  554.             break;

  555.         case PLUGIN_VST3:

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

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

  558.             break;

  559.         case PLUGIN_AU:

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

  561.             break;

  562.         case PLUGIN_DLS:

  563.         case PLUGIN_GIG:

  564.         case PLUGIN_SF2:

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

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

  567.             break;

  568.         case PLUGIN_SFZ:

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

  570.             break;

  571.         case PLUGIN_JACK:

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

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

  574.             break;

  575.         }

  576. 

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

  578. 

  579.         content << infoXml;

  580.     }

  581. 

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

  583. 

  584. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  585.     {

  586.         MemoryOutputStream dataXml;

  587. 

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

  589. 

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

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

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

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

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

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

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

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

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

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

  600. 

  601.         if (ctrlChannel < 0)

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

  603.         else

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

  605. 

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

  607. 

  608.         content << dataXml;

  609.     }

  610. #endif

  611. 

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

  613.     {

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

  615.         CARLA_SAFE_ASSERT_CONTINUE(stateParameter != nullptr);

  616. 

  617.         MemoryOutputStream parameterXml;

  618. 

  619.         parameterXml << "\n";

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

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

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

  623. 

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

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

  626. 

  627. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

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

  629.         {

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

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

  632. 

  633.             if (stateParameter->mappedRangeValid)

  634.             {

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

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

  637.             }

  638. 

  639.             // backwards compatibility for older carla versions

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

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

  642.         }

  643. #endif

  644. 

  645.         if (! stateParameter->dummy)

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

  647. 

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

  649. 

  650.         content << parameterXml;

  651.     }

  652. 

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

  654.     {

  655.         // ignore 'default' program

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

  657.         {

  658.             MemoryOutputStream programXml;

  659. 

  660.             programXml << "\n";

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

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

  663. 

  664.             content << programXml;

  665.         }

  666.     }

  667. 

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

  669.     {

  670.         MemoryOutputStream midiProgramXml;

  671. 

  672.         midiProgramXml << "\n";

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

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

  675. 

  676.         content << midiProgramXml;

  677.     }

  678. 

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

  680.     {

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

  682.         CARLA_SAFE_ASSERT_CONTINUE(stateCustomData != nullptr);

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

  684. 

  685.         MemoryOutputStream customDataXml;

  686. 

  687.         customDataXml << "\n";

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

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

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

  691. 

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

  693.         {

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

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

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

  697.         }

  698.         else

  699.         {

  700.             customDataXml << "    <Value>";

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

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

  703.         }

  704. 

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

  706. 

  707.         content << customDataXml;

  708.     }

  709. 

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

  711.     {

  712.         MemoryOutputStream chunkXml, chunkSplt;

  713.         getNewLineSplittedString(chunkSplt, chunk);

  714. 

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

  716.         chunkXml << chunkSplt;

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

  718. 

  719.         content << chunkXml;

  720.     }

  721. 

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

  723. }

  724. 

  725. // -----------------------------------------------------------------------

  726. 

  727. CARLA_BACKEND_END_NAMESPACE