302 lines
10 KiB
C++
302 lines
10 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#include "../../Application/jucer_Headers.h"
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#include "jucer_CodeHelpers.h"
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//==============================================================================
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namespace CodeHelpers
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{
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String indent (const String& code, const int numSpaces, bool indentFirstLine)
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{
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if (numSpaces == 0)
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return code;
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auto space = String::repeatedString (" ", numSpaces);
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auto lines = StringArray::fromLines (code);
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for (auto& line : lines)
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{
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if (! indentFirstLine)
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{
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indentFirstLine = true;
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continue;
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}
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if (line.trimEnd().isNotEmpty())
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line = space + line;
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}
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return lines.joinIntoString (newLine);
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}
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String unindent (const String& code, const int numSpaces)
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{
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if (numSpaces == 0)
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return code;
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auto space = String::repeatedString (" ", numSpaces);
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auto lines = StringArray::fromLines (code);
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for (auto& line : lines)
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if (line.startsWith (space))
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line = line.substring (numSpaces);
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return lines.joinIntoString (newLine);
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}
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String createIncludeStatement (const File& includeFile, const File& targetFile)
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{
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return createIncludeStatement (build_tools::unixStylePath (build_tools::getRelativePathFrom (includeFile, targetFile.getParentDirectory())));
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}
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String createIncludeStatement (const String& includePath)
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{
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if (includePath.startsWithChar ('<') || includePath.startsWithChar ('"'))
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return "#include " + includePath;
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return "#include \"" + includePath + "\"";
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}
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String createIncludePathIncludeStatement (const String& includedFilename)
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{
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return "#include <" + includedFilename + ">";
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}
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String stringLiteral (const String& text, int maxLineLength)
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{
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if (text.isEmpty())
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return "juce::String()";
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StringArray lines;
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{
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auto t = text.getCharPointer();
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bool finished = t.isEmpty();
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while (! finished)
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{
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for (auto startOfLine = t;;)
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{
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switch (t.getAndAdvance())
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{
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case 0: finished = true; break;
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case '\n': break;
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case '\r': if (*t == '\n') ++t; break;
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default: continue;
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}
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lines.add (String (startOfLine, t));
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break;
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}
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}
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}
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if (maxLineLength > 0)
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{
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for (int i = 0; i < lines.size(); ++i)
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{
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auto& line = lines.getReference (i);
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if (line.length() > maxLineLength)
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{
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const String start (line.substring (0, maxLineLength));
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const String end (line.substring (maxLineLength));
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line = start;
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lines.insert (i + 1, end);
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}
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}
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}
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for (int i = 0; i < lines.size(); ++i)
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lines.getReference(i) = CppTokeniserFunctions::addEscapeChars (lines.getReference(i));
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lines.removeEmptyStrings();
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for (int i = 0; i < lines.size(); ++i)
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lines.getReference(i) = "\"" + lines.getReference(i) + "\"";
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String result (lines.joinIntoString (newLine));
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if (! CharPointer_ASCII::isValidString (text.toUTF8(), std::numeric_limits<int>::max()))
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result = "juce::CharPointer_UTF8 (" + result + ")";
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return result;
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}
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String alignFunctionCallParams (const String& call, const StringArray& parameters, const int maxLineLength)
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{
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String result, currentLine (call);
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for (int i = 0; i < parameters.size(); ++i)
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{
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if (currentLine.length() >= maxLineLength)
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{
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result += currentLine.trimEnd() + newLine;
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currentLine = String::repeatedString (" ", call.length()) + parameters[i];
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}
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else
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{
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currentLine += parameters[i];
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}
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if (i < parameters.size() - 1)
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currentLine << ", ";
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}
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return result + currentLine.trimEnd() + ")";
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}
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String floatLiteral (double value, int numDecPlaces)
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{
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String s (value, numDecPlaces);
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if (s.containsChar ('.'))
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s << 'f';
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else
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s << ".0f";
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return s;
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}
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String boolLiteral (bool value)
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{
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return value ? "true" : "false";
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}
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String colourToCode (Colour col)
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{
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const Colour colours[] =
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{
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#define COL(col) Colours::col,
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#include "jucer_Colours.h"
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#undef COL
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Colours::transparentBlack
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};
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static const char* colourNames[] =
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{
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#define COL(col) #col,
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#include "jucer_Colours.h"
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#undef COL
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nullptr
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};
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for (int i = 0; i < numElementsInArray (colourNames) - 1; ++i)
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if (col == colours[i])
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return "juce::Colours::" + String (colourNames[i]);
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return "juce::Colour (0x" + build_tools::hexString8Digits ((int) col.getARGB()) + ')';
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}
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String justificationToCode (Justification justification)
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{
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switch (justification.getFlags())
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{
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case Justification::centred: return "juce::Justification::centred";
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case Justification::centredLeft: return "juce::Justification::centredLeft";
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case Justification::centredRight: return "juce::Justification::centredRight";
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case Justification::centredTop: return "juce::Justification::centredTop";
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case Justification::centredBottom: return "juce::Justification::centredBottom";
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case Justification::topLeft: return "juce::Justification::topLeft";
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case Justification::topRight: return "juce::Justification::topRight";
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case Justification::bottomLeft: return "juce::Justification::bottomLeft";
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case Justification::bottomRight: return "juce::Justification::bottomRight";
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case Justification::left: return "juce::Justification::left";
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case Justification::right: return "juce::Justification::right";
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case Justification::horizontallyCentred: return "juce::Justification::horizontallyCentred";
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case Justification::top: return "juce::Justification::top";
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case Justification::bottom: return "juce::Justification::bottom";
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case Justification::verticallyCentred: return "juce::Justification::verticallyCentred";
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case Justification::horizontallyJustified: return "juce::Justification::horizontallyJustified";
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default: break;
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}
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jassertfalse;
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return "Justification (" + String (justification.getFlags()) + ")";
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}
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//==============================================================================
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String getLeadingWhitespace (String line)
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{
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line = line.removeCharacters (line.endsWith ("\r\n") ? "\r\n" : "\n");
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auto endOfLeadingWS = line.getCharPointer().findEndOfWhitespace();
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return String (line.getCharPointer(), endOfLeadingWS);
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}
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int getBraceCount (String::CharPointerType line)
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{
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int braces = 0;
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for (;;)
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{
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const juce_wchar c = line.getAndAdvance();
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if (c == 0) break;
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else if (c == '{') ++braces;
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else if (c == '}') --braces;
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else if (c == '/') { if (*line == '/') break; }
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else if (c == '"' || c == '\'') { while (! (line.isEmpty() || line.getAndAdvance() == c)) {} }
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}
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return braces;
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}
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bool getIndentForCurrentBlock (CodeDocument::Position pos, const String& tab,
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String& blockIndent, String& lastLineIndent)
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{
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int braceCount = 0;
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bool indentFound = false;
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while (pos.getLineNumber() > 0)
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{
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pos = pos.movedByLines (-1);
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auto line = pos.getLineText();
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auto trimmedLine = line.trimStart();
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braceCount += getBraceCount (trimmedLine.getCharPointer());
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if (braceCount > 0)
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{
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blockIndent = getLeadingWhitespace (line);
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if (! indentFound)
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lastLineIndent = blockIndent + tab;
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return true;
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}
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if ((! indentFound) && trimmedLine.isNotEmpty())
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{
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indentFound = true;
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lastLineIndent = getLeadingWhitespace (line);
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}
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}
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return false;
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}
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}
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