void QScriptHighlighter::highlightBlock(const QString &text)
{
// states
enum {
StateStandard,
StateCommentStart1,
StateCCommentStart2,
StateCppCommentStart2,
StateCComment,
StateCppComment,
StateCCommentEnd1,
StateCCommentEnd2,
StateStringStart,
StateString,
StateStringEnd,
StateString2Start,
StateString2,
StateString2End,
StateNumber,
StatePreProcessor,
NumStates
};
// tokens
enum {
InputAlpha,
InputNumber,
InputAsterix,
InputSlash,
InputParen,
InputSpace,
InputHash,
InputQuotation,
InputApostrophe,
InputSep,
NumInputs
};
static const uchar table[NumStates][NumInputs] = {
{ StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStandard
{ StateStandard, StateNumber, StateCCommentStart2, StateCppCommentStart2, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCommentStart1
{ StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentStart2
{ StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // CppCommentStart2
{ StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCComment
{ StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // StateCppComment
{ StateCComment, StateCComment, StateCCommentEnd1, StateCCommentEnd2, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentEnd1
{ StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCCommentEnd2
{ StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateStringStart
{ StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateString
{ StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStringEnd
{ StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2Start
{ StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2
{ StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateString2End
{ StateNumber, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateNumber
{ StatePreProcessor, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard } // StatePreProcessor
};
QString buffer;
buffer.reserve(text.length());
QTextCharFormat emptyFormat;
int state = StateStandard;
const int previousState = previousBlockState();
if (previousState != -1)
state = previousState;
if (text.isEmpty()) {
setCurrentBlockState(previousState);
return;
}
int input = -1;
int i = 0;
bool lastWasBackSlash = false;
bool makeLastStandard = false;
static const QSet<QChar> alphabeth = alphaChars();
static const QString mathChars = QString::fromLatin1("xXeE");
static const QString numbers = QString::fromLatin1("0123456789");
bool questionMark = false;
QChar lastChar;
QString firstWord;
forever {
const QChar c = text.at(i);
if (lastWasBackSlash) {
input = InputSep;
} else {
switch (c.toLatin1()) {
case '*':
input = InputAsterix;
break;
case '/':
input = InputSlash;
break;
case '(': case '[': case '{':
input = InputParen;
if (state == StateStandard
|| state == StateNumber
|| state == StatePreProcessor
|| state == StateCCommentEnd2
|| state == StateCCommentEnd1
|| state == StateString2End
|| state == StateStringEnd
)
//blockData->parentheses << Parenthesis(Parenthesis::Open, c, i);
break;
case ')': case ']': case '}':
input = InputParen;
if (state == StateStandard
|| state == StateNumber
|| state == StatePreProcessor
|| state == StateCCommentEnd2
|| state == StateCCommentEnd1
|| state == StateString2End
|| state == StateStringEnd
) {
//blockData->parentheses << Parenthesis(Parenthesis::Closed, c, i);
}
break;
case '#':
input = InputHash;
break;
case '"':
input = InputQuotation;
break;
case '\'':
input = InputApostrophe;
break;
case ' ':
input = InputSpace;
break;
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': case '0':
if (alphabeth.contains(lastChar)
&& (!mathChars.contains(lastChar) || !numbers.contains(text.at(i - 1)))) {
input = InputAlpha;
} else {
if (input == InputAlpha && numbers.contains(lastChar))
input = InputAlpha;
else
input = InputNumber;
}
break;
case ':': {
input = InputAlpha;
QChar nextChar = QLatin1Char(' ');
if (i < text.length() - 1)
nextChar = text.at(i + 1);
if (state == StateStandard && !questionMark &&
lastChar != QLatin1Char(':') && nextChar != QLatin1Char(':')) {
for (int j = 0; j < i; ++j) {
if (format(j) == emptyFormat)
setFormat(j, 1, m_labelFormat);
}
}
break;
}
default: {
if (!questionMark && c == QLatin1Char('?'))
questionMark = true;
if (c.isLetter() || c == QLatin1Char('_'))
input = InputAlpha;
else
input = InputSep;
} break;
}
}
lastWasBackSlash = !lastWasBackSlash && c == QLatin1Char('\\');
if (input == InputAlpha)
buffer += c;
state = table[state][input];
switch (state) {
case StateStandard: {
setFormat(i, 1, emptyFormat);
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
if (!buffer.isEmpty() && input != InputAlpha ) {
highlightKeyword(i, buffer);
buffer.clear();
}
} break;
case StateCommentStart1:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = true;
buffer.resize(0);
break;
case StateCCommentStart2:
setFormat(i - 1, 2, m_commentFormat);
makeLastStandard = false;
buffer.resize(0);
break;
case StateCppCommentStart2:
setFormat(i - 1, 2, m_commentFormat);
makeLastStandard = false;
buffer.resize(0);
break;
case StateCComment:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_commentFormat);
buffer.resize(0);
break;
case StateCppComment:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_commentFormat);
buffer.resize(0);
break;
case StateCCommentEnd1:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_commentFormat);
buffer.resize(0);
break;
case StateCCommentEnd2:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_commentFormat);
buffer.resize(0);
break;
case StateStringStart:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateString:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_stringFormat);
buffer.resize(0);
break;
case StateStringEnd:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateString2Start:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateString2:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_stringFormat);
buffer.resize(0);
break;
case StateString2End:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateNumber:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat( i, 1, m_numberFormat);
buffer.resize(0);
break;
case StatePreProcessor:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_preProcessorFormat);
buffer.resize(0);
break;
}
lastChar = c;
i++;
if (i >= text.length())
break;
}
highlightKeyword(text.length(), buffer);
if (state == StateCComment
|| state == StateCCommentEnd1
|| state == StateCCommentStart2
) {
state = StateCComment;
} else if (state == StateString) {
state = StateString;
} else if (state == StateString2) {
state = StateString2;
} else {
state = StateStandard;
}
setCurrentBlockState(state);
}
void CppSyntaxHighlighter::highlightBlock(const QString &text)
{
// states
const int StateStandard = 0;
const int StateCommentStart1 = 1;
const int StateCCommentStart2 = 2;
const int StateCppCommentStart2 = 3;
const int StateCComment = 4;
const int StateCppComment = 5;
const int StateCCommentEnd1 = 6;
const int StateCCommentEnd2 = 7;
const int StateStringStart = 8;
const int StateString = 9;
const int StateStringEnd = 10;
const int StateString2Start = 11;
const int StateString2 = 12;
const int StateString2End = 13;
const int StateNumber = 14;
const int StatePreProcessor = 15;
// tokens
const int InputAlpha = 0;
const int InputNumber = 1;
const int InputAsterix = 2;
const int InputSlash = 3;
const int InputParen = 4;
const int InputSpace = 5;
const int InputHash = 6;
const int InputQuotation = 7;
const int InputApostrophe = 8;
const int InputSep = 9;
static const uchar table[16][10] = {
{ StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStandard
{ StateStandard, StateNumber, StateCCommentStart2, StateCppCommentStart2, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCommentStart1
{ StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentStart2
{ StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // CppCommentStart2
{ StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCComment
{ StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // StateCppComment
{ StateCComment, StateCComment, StateCCommentEnd1, StateCCommentEnd2, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentEnd1
{ StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCCommentEnd2
{ StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateStringStart
{ StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateString
{ StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStringEnd
{ StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2Start
{ StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2
{ StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateString2End
{ StateNumber, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateNumber
{ StatePreProcessor, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard } // StatePreProcessor
};
QString buffer;
QTextCharFormat emptyFormat;
int state = StateStandard;
const int previousState = previousBlockState();
if (previousState != -1)
state = previousState;
BlockData *blockData = static_cast<BlockData *>(currentBlockUserData());
if (blockData) {
blockData->parentheses.clear();
} else {
blockData = new BlockData;
setCurrentBlockUserData(blockData);
}
if (text.isEmpty()) {
setCurrentBlockState(previousState);
return;
}
int input = -1;
int i = 0;
bool lastWasBackSlash = false;
bool makeLastStandard = false;
static QString alphabeth = QString::fromLatin1("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
static QString mathChars = QString::fromLatin1("xXeE");
static QString numbers = QString::fromLatin1("0123456789");
bool questionMark = false;
bool resetLineState = true;
QChar lastChar;
QString firstWord;
forever {
QChar c = text.at(i);
if (lastWasBackSlash) {
input = InputSep;
} else {
switch (c.toAscii()) {
case '*':
input = InputAsterix;
break;
case '/':
input = InputSlash;
break;
case '(': case '[': case '{':
input = InputParen;
if (state == StateStandard
|| state == StateNumber
|| state == StatePreProcessor
|| state == StateCCommentEnd2
|| state == StateCCommentEnd1
|| state == StateString2End
|| state == StateStringEnd
)
blockData->parentheses << Parenthesis(Parenthesis::Open, c, i);
break;
case ')': case ']': case '}':
input = InputParen;
if (state == StateStandard
|| state == StateNumber
|| state == StatePreProcessor
|| state == StateCCommentEnd2
|| state == StateCCommentEnd1
|| state == StateString2End
|| state == StateStringEnd
) {
blockData->parentheses << Parenthesis(Parenthesis::Closed, c, i);
/* #####
if (c == '}') {
if (checkFunctionEnd(string, i))
resetLineState = false;
}
*/
}
break;
case '#':
input = InputHash;
break;
case '"':
input = InputQuotation;
break;
case '\'':
input = InputApostrophe;
break;
case ' ':
input = InputSpace;
if (firstWord == QLatin1String("function")
|| firstWord == QLatin1String("constructor")
|| firstWord == QLatin1String("class")
// || firstWord == QLatin1String("if")
// || firstWord == QLatin1String("for")
// || firstWord == QLatin1String("while")
// || firstWord == QLatin1String("else")
) {
// #### paragData->lineState = ParagData::FunctionStart;
resetLineState = false;
}
break;
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': case '0':
if (alphabeth.contains(lastChar)
&& (!mathChars.contains(lastChar) || !numbers.contains(text.at(i - 1)))) {
input = InputAlpha;
} else {
if (input == InputAlpha && numbers.contains(lastChar))
input = InputAlpha;
else
input = InputNumber;
}
break;
case ':': {
input = InputAlpha;
QChar nextChar = ' ';
if (i < text.length() - 1)
nextChar = text.at(i + 1);
if (state == StateStandard && !questionMark &&
lastChar != ':' && nextChar != ':' && lastChar.isLetter()) {
for (int j = 0; j < i; ++j) {
if (format(j) == emptyFormat)
setFormat(j, 1, labelFormat);
}
}
break;
}
default: {
if ( c != QLatin1Char('\t') )
firstWord += c;
const QString s = firstWord.simplified();
if ( s == QLatin1String("private")
|| s == QLatin1String("protected")
|| s == QLatin1String("public")
|| s == QLatin1String("static")
)
firstWord.clear();
if (!questionMark && c == QLatin1Char('?'))
questionMark = true;
if (c.isLetter() || c == QLatin1Char('_'))
input = InputAlpha;
else
input = InputSep;
} break;
}
}
lastWasBackSlash = !lastWasBackSlash && c == QLatin1Char('\\');
if (input == InputAlpha)
buffer += c;
state = table[state][input];
switch (state) {
case StateStandard: {
setFormat(i, 1, emptyFormat);
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
if (!buffer.isEmpty() && input != InputAlpha ) {
highlightKeyword(i, buffer);
buffer.clear();
}
} break;
case StateCommentStart1:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = true;
buffer.clear();
break;
case StateCCommentStart2:
setFormat(i - 1, 2, commentFormat);
makeLastStandard = false;
buffer.clear();
break;
case StateCppCommentStart2:
setFormat(i - 1, 2, commentFormat);
makeLastStandard = false;
buffer.clear();
break;
case StateCComment:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, commentFormat);
buffer.clear();
break;
case StateCppComment:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, commentFormat);
buffer.clear();
break;
case StateCCommentEnd1:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, commentFormat);
buffer.clear();
break;
case StateCCommentEnd2:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, commentFormat);
buffer.clear();
break;
case StateStringStart:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.clear();
break;
case StateString:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, stringFormat);
buffer.clear();
break;
case StateStringEnd:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.clear();
break;
case StateString2Start:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.clear();
break;
case StateString2:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, stringFormat);
buffer.clear();
break;
case StateString2End:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.clear();
break;
case StateNumber:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat( i, 1, numberFormat);
buffer.clear();
break;
case StatePreProcessor:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, preProcessorFormat);
buffer = QString::null;
break;
}
lastChar = c;
i++;
if (i >= text.length())
break;
}
highlightKeyword(text.length(), buffer);
/*
if (resetLineState)
paragData->lineState = ParagData::InFunction;
string->setExtraData( paragData );
*/
if (state == StateCComment
|| state == StateCCommentEnd1
|| state == StateCCommentStart2
) {
state = StateCComment;
} else if (state == StateString) {
state = StateString;
} else if (state == StateString2) {
state = StateString2;
} else {
state = StateStandard;
}
if (blockData->parenthesisMatchStart != -1) {
for (int pos = blockData->parenthesisMatchStart;
pos < blockData->parenthesisMatchEnd; ++pos) {
QTextCharFormat fmt = format(pos);
fmt.merge(blockData->parenthesisMatchingFormat);
setFormat(pos, 1, fmt);
}
}
if (blockData->errorMarkerFormat.hasProperty(ErrorMarkerPropertyId)) {
for (int i = 0; i < text.length(); ++i) {
QTextCharFormat fmt = format(i);
fmt.merge(blockData->errorMarkerFormat);
setFormat(i, 1, fmt);
}
}
setCurrentBlockState(state);
}
void QScriptHighlighter::highlightBlock(const QString &text)
{
// states
enum {
StateStandard,
StateCommentStart1,
StateCCommentStart2,
StateCppCommentStart2,
StateCComment,
StateCppComment,
StateCCommentEnd1,
StateCCommentEnd2,
StateStringStart,
StateString,
StateStringEnd,
StateString2Start,
StateString2,
StateString2End,
StateNumber,
StatePreProcessor,
NumStates
};
// tokens
enum {
InputAlpha,
InputNumber,
InputAsterix,
InputSlash,
InputParen,
InputSpace,
InputHash,
InputQuotation,
InputApostrophe,
InputSep,
NumInputs
};
static const uchar table[NumStates][NumInputs] = {
{ StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStandard
{ StateStandard, StateNumber, StateCCommentStart2, StateCppCommentStart2, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCommentStart1
{ StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentStart2
{ StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // CppCommentStart2
{ StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCComment
{ StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // StateCppComment
{ StateCComment, StateCComment, StateCCommentEnd1, StateCCommentEnd2, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentEnd1
{ StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCCommentEnd2
{ StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateStringStart
{ StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateString
{ StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStringEnd
{ StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2Start
{ StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2
{ StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateString2End
{ StateNumber, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateNumber
{ StatePreProcessor, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard } // StatePreProcessor
};
QString buffer;
buffer.reserve(text.length());
QTextCharFormat emptyFormat;
int state = onBlockStart();
if (text.isEmpty()) {
onBlockEnd(state, 0);
return;
}
int input = -1;
int i = 0;
bool lastWasBackSlash = false;
bool makeLastStandard = false;
static const QString alphabeth = QLatin1String("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
static const QString mathChars = QString::fromLatin1("xXeE");
static const QString numbers = QString::fromLatin1("0123456789");
bool questionMark = false;
QChar lastChar;
int firstNonSpace = -1;
int lastNonSpace = -1;
forever {
const QChar c = text.at(i);
if (lastWasBackSlash) {
input = InputSep;
} else {
switch (c.toLatin1()) {
case '*':
input = InputAsterix;
break;
case '/':
input = InputSlash;
break;
case '(': case '[': case '{':
input = InputParen;
if (state == StateStandard
|| state == StateNumber
|| state == StatePreProcessor
|| state == StateCCommentEnd2
|| state == StateCCommentEnd1
|| state == StateString2End
|| state == StateStringEnd
)
onOpeningParenthesis(c, i);
break;
case ')': case ']': case '}':
input = InputParen;
if (state == StateStandard
|| state == StateNumber
|| state == StatePreProcessor
|| state == StateCCommentEnd2
|| state == StateCCommentEnd1
|| state == StateString2End
|| state == StateStringEnd
) {
onClosingParenthesis(c, i);
}
break;
case '#':
input = InputHash;
break;
case '"':
input = InputQuotation;
break;
case '\'':
input = InputApostrophe;
break;
case ' ':
input = InputSpace;
break;
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': case '0':
if (alphabeth.contains(lastChar)
&& (!mathChars.contains(lastChar) || !numbers.contains(text.at(i - 1)))) {
input = InputAlpha;
} else {
if (input == InputAlpha && numbers.contains(lastChar))
input = InputAlpha;
else
input = InputNumber;
}
break;
case ':': {
input = InputAlpha;
QChar nextChar = ' ';
if (i < text.length() - 1)
nextChar = text.at(i + 1);
if (state == StateStandard && !questionMark &&
lastChar != ':' && nextChar != ':') {
for (int j = 0; j < i; ++j) {
if (format(j) == emptyFormat)
setFormat(j, 1, m_formats[LabelFormat]);
}
}
break;
}
default: {
if (!questionMark && c == QLatin1Char('?'))
questionMark = true;
if (c.isLetter() || c == QLatin1Char('_'))
input = InputAlpha;
else
input = InputSep;
} break;
}
}
if (input != InputSpace) {
if (firstNonSpace < 0)
firstNonSpace = i;
lastNonSpace = i;
}
lastWasBackSlash = !lastWasBackSlash && c == QLatin1Char('\\');
if (input == InputAlpha)
buffer += c;
state = table[state][input];
switch (state) {
case StateStandard: {
setFormat(i, 1, emptyFormat);
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
if (!buffer.isEmpty() && input != InputAlpha ) {
highlightKeyword(i, buffer);
buffer.clear();
}
} break;
case StateCommentStart1:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = true;
buffer.resize(0);
break;
case StateCCommentStart2:
setFormat(i - 1, 2, m_formats[CommentFormat]);
makeLastStandard = false;
buffer.resize(0);
break;
case StateCppCommentStart2:
setFormat(i - 1, 2, m_formats[CommentFormat]);
makeLastStandard = false;
buffer.resize(0);
break;
case StateCComment:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[CommentFormat]);
buffer.resize(0);
break;
case StateCppComment:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[CommentFormat]);
buffer.resize(0);
break;
case StateCCommentEnd1:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[CommentFormat]);
buffer.resize(0);
break;
case StateCCommentEnd2:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[CommentFormat]);
buffer.resize(0);
break;
case StateStringStart:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateString:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[StringFormat]);
buffer.resize(0);
break;
case StateStringEnd:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateString2Start:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateString2:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[StringFormat]);
buffer.resize(0);
break;
case StateString2End:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, emptyFormat);
buffer.resize(0);
break;
case StateNumber:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat( i, 1, m_formats[NumberFormat]);
buffer.resize(0);
break;
case StatePreProcessor:
if (makeLastStandard)
setFormat(i - 1, 1, emptyFormat);
makeLastStandard = false;
setFormat(i, 1, m_formats[PreProcessorFormat]);
buffer.resize(0);
break;
}
lastChar = c;
i++;
if (i >= text.length())
break;
}
highlightKeyword(text.length(), buffer);
if (state == StateCComment
|| state == StateCCommentEnd1
|| state == StateCCommentStart2
) {
state = StateCComment;
} else {
state = StateStandard;
}
onBlockEnd(state, firstNonSpace);
}
