inline void skipComma (String::CharPointerType& s) { s = s.findEndOfWhitespace(); if (*s == ',') ++s; }
void LivePropertyEditorBase::findOriginalValueInCode() { CodeDocument::Position pos (document, value.sourceLine, 0); String line (pos.getLineText()); String::CharPointerType p (line.getCharPointer()); p = CharacterFunctions::find (p, CharPointer_ASCII ("JUCE_LIVE_CONSTANT")); if (p.isEmpty()) { // Not sure how this would happen - some kind of mix-up between source code and line numbers.. jassertfalse; return; } p += (int) (sizeof ("JUCE_LIVE_CONSTANT") - 1); p = p.findEndOfWhitespace(); if (! CharacterFunctions::find (p, CharPointer_ASCII ("JUCE_LIVE_CONSTANT")).isEmpty()) { // Aargh! You've added two JUCE_LIVE_CONSTANT macros on the same line! // They're identified by their line number, so you must make sure each // one goes on a separate line! jassertfalse; } if (p.getAndAdvance() == '(') { String::CharPointerType start (p), end (p); int depth = 1; while (! end.isEmpty()) { const juce_wchar c = end.getAndAdvance(); if (c == '(') ++depth; if (c == ')') --depth; if (depth == 0) { --end; break; } } if (end > start) { valueStart = CodeDocument::Position (document, value.sourceLine, (int) (start - line.getCharPointer())); valueEnd = CodeDocument::Position (document, value.sourceLine, (int) (end - line.getCharPointer())); valueStart.setPositionMaintained (true); valueEnd.setPositionMaintained (true); wasHex = String (start, end).containsIgnoreCase ("0x"); } } }
static Result parseAny (String::CharPointerType& t, var& result) { t = t.findEndOfWhitespace(); auto t2 = t; switch (t2.getAndAdvance()) { case '{': t = t2; return parseObject (t, result); case '[': t = t2; return parseArray (t, result); case '"': t = t2; return parseString ('"', t, result); case '\'': t = t2; return parseString ('\'', t, result); case '-': t2 = t2.findEndOfWhitespace(); if (! CharacterFunctions::isDigit (*t2)) break; t = t2; return parseNumber (t, result, true); case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': return parseNumber (t, result, false); case 't': // "true" if (t2.getAndAdvance() == 'r' && t2.getAndAdvance() == 'u' && t2.getAndAdvance() == 'e') { t = t2; result = var (true); return Result::ok(); } break; case 'f': // "false" if (t2.getAndAdvance() == 'a' && t2.getAndAdvance() == 'l' && t2.getAndAdvance() == 's' && t2.getAndAdvance() == 'e') { t = t2; result = var (false); return Result::ok(); } break; case 'n': // "null" if (t2.getAndAdvance() == 'u' && t2.getAndAdvance() == 'l' && t2.getAndAdvance() == 'l') { t = t2; result = var(); return Result::ok(); } break; default: break; } return createFail ("Syntax error", &t); }
//============================================================================== StringPairArray parsePreprocessorDefs (const String& text) { StringPairArray result; String::CharPointerType s (text.getCharPointer()); while (! s.isEmpty()) { String token, value; s = s.findEndOfWhitespace(); while ((! s.isEmpty()) && *s != '=' && ! s.isWhitespace()) token << s.getAndAdvance(); s = s.findEndOfWhitespace(); if (*s == '=') { ++s; while ((! s.isEmpty()) && *s == ' ') ++s; while ((! s.isEmpty()) && ! s.isWhitespace()) { if (*s == ',') { ++s; break; } if (*s == '\\' && (s[1] == ' ' || s[1] == ',')) ++s; value << s.getAndAdvance(); } } if (token.isNotEmpty()) result.set (token, value); } return result; }
static Result parseObjectOrArray (String::CharPointerType t, var& result) { t = t.findEndOfWhitespace(); switch (t.getAndAdvance()) { case 0: result = var::null; return Result::ok(); case '{': return parseObject (t, result); case '[': return parseArray (t, result); } return createFail ("Expected '{' or '['", &t); }
static String nextToken (String::CharPointerType& t) { t = t.findEndOfWhitespace(); String::CharPointerType start (t); size_t numChars = 0; while (! (t.isEmpty() || t.isWhitespace())) { ++t; ++numChars; } return String (start, numChars); }
//============================================================================== void parsePathString (Path& path, const String& pathString) const { String::CharPointerType d (pathString.getCharPointer().findEndOfWhitespace()); Point<float> subpathStart, last, last2, p1, p2, p3; juce_wchar lastCommandChar = 0; bool isRelative = true; bool carryOn = true; const CharPointer_ASCII validCommandChars ("MmLlHhVvCcSsQqTtAaZz"); while (! d.isEmpty()) { if (validCommandChars.indexOf (*d) >= 0) { lastCommandChar = d.getAndAdvance(); isRelative = (lastCommandChar >= 'a' && lastCommandChar <= 'z'); } switch (lastCommandChar) { case 'M': case 'm': case 'L': case 'l': if (parseCoordsOrSkip (d, p1, false)) { if (isRelative) p1 += last; if (lastCommandChar == 'M' || lastCommandChar == 'm') { subpathStart = p1; path.startNewSubPath (p1); lastCommandChar = 'l'; } else path.lineTo (p1); last2 = last; last = p1; } break; case 'H': case 'h': if (parseCoord (d, p1.x, false, true)) { if (isRelative) p1.x += last.x; path.lineTo (p1.x, last.y); last2.x = last.x; last.x = p1.x; } else { ++d; } break; case 'V': case 'v': if (parseCoord (d, p1.y, false, false)) { if (isRelative) p1.y += last.y; path.lineTo (last.x, p1.y); last2.y = last.y; last.y = p1.y; } else { ++d; } break; case 'C': case 'c': if (parseCoordsOrSkip (d, p1, false) && parseCoordsOrSkip (d, p2, false) && parseCoordsOrSkip (d, p3, false)) { if (isRelative) { p1 += last; p2 += last; p3 += last; } path.cubicTo (p1, p2, p3); last2 = p2; last = p3; } break; case 'S': case 's': if (parseCoordsOrSkip (d, p1, false) && parseCoordsOrSkip (d, p3, false)) { if (isRelative) { p1 += last; p3 += last; } p2 = last + (last - last2); path.cubicTo (p2, p1, p3); last2 = p1; last = p3; } break; case 'Q': case 'q': if (parseCoordsOrSkip (d, p1, false) && parseCoordsOrSkip (d, p2, false)) { if (isRelative) { p1 += last; p2 += last; } path.quadraticTo (p1, p2); last2 = p1; last = p2; } break; case 'T': case 't': if (parseCoordsOrSkip (d, p1, false)) { if (isRelative) p1 += last; p2 = last + (last - last2); path.quadraticTo (p2, p1); last2 = p2; last = p1; } break; case 'A': case 'a': if (parseCoordsOrSkip (d, p1, false)) { String num; if (parseNextNumber (d, num, false)) { const float angle = num.getFloatValue() * (180.0f / float_Pi); if (parseNextNumber (d, num, false)) { const bool largeArc = num.getIntValue() != 0; if (parseNextNumber (d, num, false)) { const bool sweep = num.getIntValue() != 0; if (parseCoordsOrSkip (d, p2, false)) { if (isRelative) p2 += last; if (last != p2) { double centreX, centreY, startAngle, deltaAngle; double rx = p1.x, ry = p1.y; endpointToCentreParameters (last.x, last.y, p2.x, p2.y, angle, largeArc, sweep, rx, ry, centreX, centreY, startAngle, deltaAngle); path.addCentredArc ((float) centreX, (float) centreY, (float) rx, (float) ry, angle, (float) startAngle, (float) (startAngle + deltaAngle), false); path.lineTo (p2); } last2 = last; last = p2; } } } } } break; case 'Z': case 'z': path.closeSubPath(); last = last2 = subpathStart; d = d.findEndOfWhitespace(); lastCommandChar = 'M'; break; default: carryOn = false; break; } if (! carryOn) break; } // paths that finish back at their start position often seem to be // left without a 'z', so need to be closed explicitly.. if (path.getCurrentPosition() == subpathStart) path.closeSubPath(); }