paulxstretch/deps/juce/extras/Projucer/Source/Utility/Helpers/jucer_CodeHelpers.cpp

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