mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
492 lines
16 KiB
C++
492 lines
16 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
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 5 End-User License
|
|
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
|
|
27th April 2017).
|
|
|
|
End User License Agreement: www.juce.com/juce-5-licence
|
|
Privacy Policy: www.juce.com/juce-5-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 makeValidIdentifier (String s, bool capitalise, bool removeColons, bool allowTemplates, bool allowAsterisks)
|
|
{
|
|
if (s.isEmpty())
|
|
return "unknown";
|
|
|
|
if (removeColons)
|
|
s = s.replaceCharacters (".,;:/@", "______");
|
|
else
|
|
s = s.replaceCharacters (".,;/@", "_____");
|
|
|
|
for (int i = s.length(); --i > 0;)
|
|
if (CharacterFunctions::isLetter (s[i])
|
|
&& CharacterFunctions::isLetter (s[i - 1])
|
|
&& CharacterFunctions::isUpperCase (s[i])
|
|
&& ! CharacterFunctions::isUpperCase (s[i - 1]))
|
|
s = s.substring (0, i) + " " + s.substring (i);
|
|
|
|
String allowedChars ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_ 0123456789");
|
|
if (allowTemplates)
|
|
allowedChars += "<>";
|
|
|
|
if (! removeColons)
|
|
allowedChars += ":";
|
|
|
|
if (allowAsterisks)
|
|
allowedChars += "*";
|
|
|
|
StringArray words;
|
|
words.addTokens (s.retainCharacters (allowedChars), false);
|
|
words.trim();
|
|
|
|
auto n = words[0];
|
|
|
|
if (capitalise)
|
|
n = n.toLowerCase();
|
|
|
|
for (int i = 1; i < words.size(); ++i)
|
|
{
|
|
if (capitalise && words[i].length() > 1)
|
|
n << words[i].substring (0, 1).toUpperCase()
|
|
<< words[i].substring (1).toLowerCase();
|
|
else
|
|
n << words[i];
|
|
}
|
|
|
|
if (CharacterFunctions::isDigit (n[0]))
|
|
n = "_" + n;
|
|
|
|
if (CPlusPlusCodeTokeniser::isReservedKeyword (n))
|
|
n << '_';
|
|
|
|
return n;
|
|
}
|
|
|
|
String createIncludeStatement (const File& includeFile, const File& targetFile)
|
|
{
|
|
return createIncludeStatement (FileHelpers::unixStylePath (FileHelpers::getRelativePathFrom (includeFile, targetFile.getParentDirectory())));
|
|
}
|
|
|
|
String createIncludeStatement (const String& includePath)
|
|
{
|
|
if (includePath.startsWithChar ('<') || includePath.startsWithChar ('"'))
|
|
return "#include " + includePath;
|
|
|
|
return "#include \"" + includePath + "\"";
|
|
}
|
|
|
|
String makeBinaryDataIdentifierName (const File& file)
|
|
{
|
|
return makeValidIdentifier (file.getFileName()
|
|
.replaceCharacters (" .", "__")
|
|
.retainCharacters ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789"),
|
|
false, true, false);
|
|
}
|
|
|
|
String stringLiteral (const String& text, int maxLineLength)
|
|
{
|
|
if (text.isEmpty())
|
|
return "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 = "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 "Colours::" + String (colourNames[i]);
|
|
|
|
return "Colour (0x" + hexString8Digits ((int) col.getARGB()) + ')';
|
|
}
|
|
|
|
String justificationToCode (Justification justification)
|
|
{
|
|
switch (justification.getFlags())
|
|
{
|
|
case Justification::centred: return "Justification::centred";
|
|
case Justification::centredLeft: return "Justification::centredLeft";
|
|
case Justification::centredRight: return "Justification::centredRight";
|
|
case Justification::centredTop: return "Justification::centredTop";
|
|
case Justification::centredBottom: return "Justification::centredBottom";
|
|
case Justification::topLeft: return "Justification::topLeft";
|
|
case Justification::topRight: return "Justification::topRight";
|
|
case Justification::bottomLeft: return "Justification::bottomLeft";
|
|
case Justification::bottomRight: return "Justification::bottomRight";
|
|
case Justification::left: return "Justification::left";
|
|
case Justification::right: return "Justification::right";
|
|
case Justification::horizontallyCentred: return "Justification::horizontallyCentred";
|
|
case Justification::top: return "Justification::top";
|
|
case Justification::bottom: return "Justification::bottom";
|
|
case Justification::verticallyCentred: return "Justification::verticallyCentred";
|
|
case Justification::horizontallyJustified: return "Justification::horizontallyJustified";
|
|
default: break;
|
|
}
|
|
|
|
jassertfalse;
|
|
return "Justification (" + String (justification.getFlags()) + ")";
|
|
}
|
|
|
|
void writeDataAsCppLiteral (const MemoryBlock& mb, OutputStream& out,
|
|
bool breakAtNewLines, bool allowStringBreaks)
|
|
{
|
|
const int maxCharsOnLine = 250;
|
|
|
|
auto data = (const unsigned char*) mb.getData();
|
|
int charsOnLine = 0;
|
|
|
|
bool canUseStringLiteral = mb.getSize() < 32768; // MS compilers can't handle big string literals..
|
|
|
|
if (canUseStringLiteral)
|
|
{
|
|
unsigned int numEscaped = 0;
|
|
|
|
for (size_t i = 0; i < mb.getSize(); ++i)
|
|
{
|
|
auto num = (unsigned int) data[i];
|
|
|
|
if (! ((num >= 32 && num < 127) || num == '\t' || num == '\r' || num == '\n'))
|
|
{
|
|
if (++numEscaped > mb.getSize() / 4)
|
|
{
|
|
canUseStringLiteral = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (! canUseStringLiteral)
|
|
{
|
|
out << "{ ";
|
|
|
|
for (size_t i = 0; i < mb.getSize(); ++i)
|
|
{
|
|
auto num = (int) (unsigned int) data[i];
|
|
out << num << ',';
|
|
|
|
charsOnLine += 2;
|
|
|
|
if (num >= 10)
|
|
{
|
|
++charsOnLine;
|
|
|
|
if (num >= 100)
|
|
++charsOnLine;
|
|
}
|
|
|
|
if (charsOnLine >= maxCharsOnLine)
|
|
{
|
|
charsOnLine = 0;
|
|
out << newLine;
|
|
}
|
|
}
|
|
|
|
out << "0,0 };";
|
|
}
|
|
else
|
|
{
|
|
out << "\"";
|
|
CppTokeniserFunctions::writeEscapeChars (out, (const char*) data, (int) mb.getSize(),
|
|
maxCharsOnLine, breakAtNewLines, false, allowStringBreaks);
|
|
out << "\";";
|
|
}
|
|
}
|
|
|
|
//==============================================================================
|
|
static unsigned int calculateHash (const String& s, const unsigned int hashMultiplier)
|
|
{
|
|
auto t = s.toUTF8();
|
|
unsigned int hash = 0;
|
|
|
|
while (*t != 0)
|
|
hash = hashMultiplier * hash + (unsigned int) *t++;
|
|
|
|
return hash;
|
|
}
|
|
|
|
static unsigned int findBestHashMultiplier (const StringArray& strings)
|
|
{
|
|
unsigned int v = 31;
|
|
|
|
for (;;)
|
|
{
|
|
SortedSet<unsigned int> hashes;
|
|
bool collision = false;
|
|
|
|
for (int i = strings.size(); --i >= 0;)
|
|
{
|
|
auto hash = calculateHash (strings[i], v);
|
|
|
|
if (hashes.contains (hash))
|
|
{
|
|
collision = true;
|
|
break;
|
|
}
|
|
|
|
hashes.add (hash);
|
|
}
|
|
|
|
if (! collision)
|
|
break;
|
|
|
|
v += 2;
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
void createStringMatcher (OutputStream& out, const String& utf8PointerVariable,
|
|
const StringArray& strings, const StringArray& codeToExecute, const int indentLevel)
|
|
{
|
|
jassert (strings.size() == codeToExecute.size());
|
|
auto indent = String::repeatedString (" ", indentLevel);
|
|
auto hashMultiplier = findBestHashMultiplier (strings);
|
|
|
|
out << indent << "unsigned int hash = 0;" << newLine
|
|
<< newLine
|
|
<< indent << "if (" << utf8PointerVariable << " != nullptr)" << newLine
|
|
<< indent << " while (*" << utf8PointerVariable << " != 0)" << newLine
|
|
<< indent << " hash = " << (int) hashMultiplier << " * hash + (unsigned int) *" << utf8PointerVariable << "++;" << newLine
|
|
<< newLine
|
|
<< indent << "switch (hash)" << newLine
|
|
<< indent << "{" << newLine;
|
|
|
|
for (int i = 0; i < strings.size(); ++i)
|
|
{
|
|
out << indent << " case 0x" << hexString8Digits ((int) calculateHash (strings[i], hashMultiplier))
|
|
<< ": " << codeToExecute[i] << newLine;
|
|
}
|
|
|
|
out << indent << " default: break;" << newLine
|
|
<< indent << "}" << newLine << newLine;
|
|
}
|
|
|
|
String getLeadingWhitespace (String line)
|
|
{
|
|
line = line.removeCharacters ("\r\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;
|
|
}
|
|
}
|