void SmkMarkHighlighter::highlightBlock(const QString& text)
{
// highlight with regrxp
for(int i=0; i<format_.size(); i++) {
int index = regexp_[i].indexIn(text);
while(index >= 0) {
int length = regexp_[i].matchedLength();
this->setFormat(index, length, format_[i]);
index = regexp_[i].indexIn(text, index + length);
}
}
// code block and latex block highlight
if(currentBlockState() == -1)
setCurrentBlockState(0);
QTextCharFormat codeFormat;
codeFormat.setForeground(QColor(qSmkApp()->option("color.code")));
_aux_multiBlockMatch(text, "`", "`", codeFormat, 0x0001);
// _aux_multiBlockMatch(text, "``", "``", codeFormat, 0x0002);
// _aux_multiBlockMatch(text, "```", "```", codeFormat, 0x004);
QTextCharFormat latexFormat;
latexFormat.setForeground(QColor(qSmkApp()->option("color.latex")));
_aux_multiBlockMatch(text, "${", "}$", latexFormat, 0x1000);
_aux_multiBlockMatch(text, "$$", "$$", latexFormat, 0x2000);
}
// Clears the requested state for the current text block
void XHTMLHighlighter::ClearState(int state)
{
int current_state = currentBlockState();
// Remove the current state from the list
current_state = current_state & ~state;
setCurrentBlockState(current_state);
}
// Sets the requested state for the current text block
void XHTMLHighlighter::SetState(int state)
{
int current_state = currentBlockState();
// Add the current state to the list
current_state = current_state | state;
setCurrentBlockState(current_state);
}
bool Highlighter::matchMultiline(const QString& text, const ::HighlightingRule& rule)
{
QRegExp delimiter(rule.pattern);
int start = 0;
int add = 0;
int end = 0;
int length = 0;
if (previousBlockState() != rule.index)
{
start = delimiter.indexIn(text);
add = delimiter.matchedLength();
}
while (start >= 0)
{
end = delimiter.indexIn(text, start + add);
if (end >= add)
{
length = end - start + add + delimiter.matchedLength();
setCurrentBlockState(0);
}
else
{
setCurrentBlockState(rule.index);
length = text.length() - start + add;
}
QTextCharFormat fmt;
if (m_Formats.contains(rule.t))
fmt = m_Formats[rule.t];
setFormat(start, length, fmt);
start = delimiter.indexIn(text, start + length);
}
return currentBlockState() == rule.index;
}
/** handle nested comments and simple minded attributes
*/
void lqGvSynCol::highlightBlock(const QString &text)
{
QString begComm("/\\*");
QString number("\\d+(?:\\.\\d+)?");
QString symbol("\\w+");
QString quoted("\"[^\"]*\"");
QString edges("--|->");
QRegExp tokens(QString("(%1)|(%2)|(%3)|(%4)|(%5)|#").arg(begComm, number, symbol, quoted, edges));
QRegExp endComm("\\*/");
// simple state machine
if (currentBlock().blockNumber() > 0)
setCurrentBlockState(previousBlockState());
else
setCurrentBlockState(0);
for (int i = 0, j, l; ; i = j + l)
if (currentBlockState()) { // in multiline comment
if ((j = endComm.indexIn(text, i)) == -1) {
setFormat(i, text.length() - i, fmt[Comm]);
break;
}
setFormat(i, j - i + (l = 2), fmt[Comm]);
setCurrentBlockState(0);
} else {
if ((j = tokens.indexIn(text, i)) == -1)
break;
QStringList ml = tokens.capturedTexts();
Q_ASSERT(ml.length() == 5+1);
if ((l = ml[1].length())) { // begin multiline comment
setFormat(j, l, fmt[Comm]);
setCurrentBlockState(1);
} else if ((l = ml[2].length())) { // number
setFormat(j, l, fmt[Number]);
} else if ((l = ml[3].length())) { // symbol
if (keyws.contains(ml[3]))
setFormat(j, l, fmt[Keyw]);
else if (attrs.contains(ml[3]))
setFormat(j, l, fmt[Attr]);
else
setFormat(j, l, fmt[Unknown]);
} else if ((l = ml[4].length())) { // quoted
setFormat(j, l, fmt[Quoted]);
} else if ((l = ml[5].length())) { // edge
setFormat(j, l, fmt[Edge]);
} else { // single line comment
setFormat(j, text.length() - i, fmt[Comm]);
break;
}
}
// rather useless - anyway textChanged will fire after completion
if (currentBlock().blockNumber() == document()->blockCount() - 1)
emit completed();
}
// Checks if the requested state is set
// for the current text block
bool XHTMLHighlighter::StateChecked(int state) const
{
int current_state = currentBlockState();
// Check if our state is in the list
if ((current_state & state) != 0) {
return true;
} else {
return false;
}
}
void SmkMarkHighlighter::_aux_multiBlockMatch(
const QString& text,
const QString& bgnFlag,
const QString& endFlag,
const QTextCharFormat& format,
const unsigned field )
{
if(previousBlockState() == -1)
return;
setCurrentBlockState(currentBlockState() & (~field));
if(previousBlockState() & field) {
int endid = text.indexOf(endFlag, 0);
if(endid != -1) {
// we find a endFlag
setFormat(0, endid+endFlag.length(), format);
} else {
// we do not find a endFlag, mark this line and go on
setFormat(0, text.length(), format);
// if(previousBlockState() != -1)
setCurrentBlockState(currentBlockState() | field);
}
}
else {
int bgnid = text.indexOf(bgnFlag, 0);
while(bgnid != -1) {
int endid = text.indexOf(endFlag, bgnid+bgnFlag.length());
if(endid != -1) {
// we find a endFlag
setFormat(bgnid, endid+endFlag.length()-bgnid, format);
bgnid = text.indexOf(bgnFlag, endid+endFlag.length());
} else {
// we do not find a endFlag, mark this line and go on
setFormat(bgnid, text.length()-bgnid, format);
setCurrentBlockState(currentBlockState() | field);
break;
}
}//while(...
}//if..else...
}
/** handle nested comments and simple minded Prolog syntax
*/
void plMiniSyntax::highlightBlock(const QString &text)
{
// simple state machine
int nb = currentBlock().blockNumber();
if (nb > 0) {
setCurrentBlockState(previousBlockState());
if (nb % 10 == 0)
do_events();
}
else {
startToEnd.start();
qDebug() << "starting at " << QTime::currentTime();
setCurrentBlockState(0);
}
for (int i = 0, j, l; ; i = j + l)
if (currentBlockState()) { // in multiline comment
if ((j = text.indexOf("*/", i)) == -1) {
setFormat(i, text.length() - i, fmt[Comment]);
break;
}
setFormat(i, j - i + (l = 2), fmt[Comment]);
setCurrentBlockState(0);
} else {
if ((j = text.indexOf("/*", i)) >= 0) { // begin multiline comment
setFormat(j, l = 2, fmt[Comment]);
setCurrentBlockState(1);
} else {
if ((j = tokens.indexIn(text, i)) == -1)
break;
QStringList ml = tokens.capturedTexts();
Q_ASSERT(ml.length() == 5+1);
if ((l = ml[1].length())) { // number
setFormat(j, l, fmt[Number]);
} else if ((l = ml[2].length())) { // symbol
setFormat(j, l, fmt[Atom]);
} else if ((l = ml[3].length())) { // var
setFormat(j, l, fmt[Variable]);
} else if ((l = ml[4].length())) { // quoted
setFormat(j, l, fmt[String]);
} else if ((l = ml[5].length())) { // operator
setFormat(j, l, fmt[Operator]);
} else { // single line comment
setFormat(j, text.length() - i, fmt[Comment]);
break;
}
}
}
if (currentBlock() == document()->lastBlock())
qDebug() << "done at " << QTime::currentTime() << "in" << startToEnd.elapsed();
}
bool BashHighlighter::matchMultiline(const QString& text,
const QRegExp& delimiter,
const int inState,
const QTextCharFormat& style) {
int start = -1;
int add = -1;
int end = -1;
int length = 0;
// If inside triple-single quotes, start at 0
if ( previousBlockState() == inState ) {
start = 0;
add = 0;
}
// Otherwise, look for the delimiter on this line
else {
start = delimiter.indexIn(text);
// Move past this match
add = delimiter.matchedLength();
}
// As long as there's a delimiter match on this line...
while ( start >= 0 ) {
// Look for the ending delimiter
end = delimiter.indexIn(text, start + add);
// Ending delimiter on this line?
if ( end >= add ) {
length = end - start + add + delimiter.matchedLength();
setCurrentBlockState(0);
}
// No; multi-line string
else {
setCurrentBlockState(inState);
length = text.length() - start + add;
}
// Apply formatting and look for next
setFormat(start, length, style);
start = delimiter.indexIn(text, start + length);
}
// Return True if still inside a multi-line string, False otherwise
if ( currentBlockState() == inState )
return true;
else
return false;
}
void ScriptEditorSyntaxHighlighter::highlightBlock(const QString & szText)
{
if(szText.isEmpty())
{
setCurrentBlockState(previousBlockState());
return;
}
int iIndexStart=0;
setCurrentBlockState(0);
if(previousBlockState() == 1)
{
// inside a multiline comment
int iCommentEnd = szText.indexOf("*/");
if(iCommentEnd < 0)
{
// not found: comment until the end of the block
setCurrentBlockState(1);
setFormat(iIndexStart,szText.length(),commentFormat);
return;
}
// skip 2 chars
iCommentEnd+=2;
// end of comment found
setFormat(iIndexStart,iCommentEnd - iIndexStart,commentFormat);
iIndexStart = iCommentEnd;
}
SKIP_SPACES
if (iIndexStart == szText.size())
return;
// check 'commands' and comments
int iCommandStart=iIndexStart;
if (szText.at(iIndexStart).unicode()!='$' && szText.at(iIndexStart).unicode()!='{' && szText.at(iIndexStart).unicode()!='}' && szText.at(iIndexStart).unicode()!='%')
{
switch(szText.at(iIndexStart).unicode())
{
case '#':
// single line comment, bash style
while(iIndexStart<szText.size() && szText.at(iIndexStart).unicode() != '\n')
iIndexStart++;
setFormat(iCommandStart,iIndexStart-iCommandStart,commentFormat);
break;
case '/':
if((iIndexStart+1)<szText.size())
{
if(szText.at(iIndexStart+1).unicode()=='/')
{
// single line comment, c++ style
iIndexStart++;
while(iIndexStart<szText.size() && szText.at(iIndexStart).unicode() != '\n')
iIndexStart++;
setFormat(iCommandStart,iIndexStart-iCommandStart,commentFormat);
break;
}
if(szText.at(iIndexStart+1).unicode()=='*')
{
// multi line comment, c style
iIndexStart++;
setCurrentBlockState(1);
while(iIndexStart<szText.size())
{
if((iIndexStart+1)<szText.size())
{
if(szText.at(iIndexStart).unicode() == '*' &&
szText.at(iIndexStart+1).unicode() == '/')
{
iIndexStart+=2;
setCurrentBlockState(0);
break;
}
}
iIndexStart++;
}
setFormat(iCommandStart,iIndexStart-iCommandStart,commentFormat);
SKIP_SPACES
if(currentBlockState()==0)
{
iCommandStart=iIndexStart;
} else {
break;
}
// else fallback to command (a command can start at the end of a /* comment */)
}
// else not a comment, fallback to command
}
default:
//command
while(iIndexStart<szText.size() && (szText.at(iIndexStart).isLetterOrNumber() || (szText.at(iIndexStart).unicode() == '.') || (szText.at(iIndexStart).unicode() == '_') || (szText.at(iIndexStart).unicode()== ':') ))
{
iIndexStart++;
}
setFormat(iCommandStart,iIndexStart-iCommandStart,keywordFormat);
break;
}
}
void SyntaxHighlighter::highlightBlock(const QString& text)
{
if (currentBlockState() > 0)
setFormat(0, text.length(), d.color);
}
void TMSyntax::highlightBlock(const QString &text)
{
if(previousBlockState()==SYN_ERROR){
setCurrentBlockState(1);
setFormat(0,text.size(),io_format::syntax_error);
return;
}
if(currentBlockState()==2){
//setCurrentBlockState(1);
setFormat(0,text.size(),io_format::semantic_error);
return;
}
setCurrentBlockState(-1);
switch(io_ex::line_type(text)){
case io_ex::LINE_OPTION:
setFormat(0,text.size(),io_format::option);
break;
case io_ex::LINE_VALID_MACHINE:
case io_ex::LINE_VALID_STATE:
break_line_token(text);
switch(token_list[0].type){
case io_ex::TOKEN_STATE_SPEC:
setFormat(token_list[0].start, token_list[0].count, io_format::state_spec);
break;
case io_ex::TOKEN_STATE:
setFormat(token_list[0].start,token_list[0].count,io_format::state);
break;
case io_ex::TOKEN_MACHINE:
setFormat(token_list[0].start,token_list[0].count,io_format::machine);
break;
default:
break;
}
switch(token_list[1].type){
case io_ex::TOKEN_CHARACTER_SPEC:
setFormat(token_list[1].start,token_list[1].count,io_format::character_spec);
break;
case io_ex::TOKEN_CHARACTER:
setFormat(token_list[1].start,token_list[1].count,io_format::character_spec);
break;
default:
break;
}
switch (token_list[2].type) {
case io_ex::TOKEN_STATE_SPEC:
setFormat(token_list[2].start,token_list[2].count,io_format::state_spec);
break;
case io_ex::TOKEN_STATE:
setFormat(token_list[2].start,token_list[2].count,io_format::state);
break;
case io_ex::TOKEN_MACHINE:
setFormat(token_list[2].start,token_list[2].count,io_format::machine);
break;
default:
break;
}
switch (token_list[3].type) {
case io_ex::TOKEN_COMMAND:
setFormat(token_list[3].start,token_list[3].count,io_format::command);
break;
case io_ex::TOKEN_CHARACTER_SPEC:
setFormat(token_list[3].start,token_list[3].count,io_format::character_spec);
break;
case io_ex::TOKEN_CHARACTER:
setFormat(token_list[3].start,token_list[3].count,io_format::character);
break;
default:
break;
}
break;
case io_ex::LINE_COMMENT:
setFormat(0,text.size(),io_format::comment);
break;
case io_ex::LINE_WHITE:
setFormat(0,text.size(),io_format::blank);
break;
case io_ex::LINE_ERROR:
default:
setFormat(0,text.size(),io_format::syntax_error);
setCurrentBlockState(1);
break;
}
}
// Check if the current block is inside a "here document" and format it accordingly.
bool Highlighter::isHereDocument (const QString &text)
{
QTextCharFormat blockFormat;
blockFormat.setForeground (QColor (126, 0, 230));
QTextCharFormat delimFormat = blockFormat;
delimFormat.setFontWeight (QFont::Bold);
QString delimStr;
/* Kate uses something like "<<(?:\\s*)([\\\\]{,1}[^\\s]+)" */
QRegExp delim = QRegExp ("<<(?:\\s*)([\\\\]{,1}[A-Za-z0-9_]+)|<<(?:\\s*)(\'[A-Za-z0-9_]+\')|<<(?:\\s*)(\"[A-Za-z0-9_]+\")");
int pos, i;
/* format the start delimiter */
if (previousBlockState() != delimState - 1
&& currentBlockState() != delimState - 1
&& (pos = delim.indexIn (text)) >= 0)
{
i = 1;
while ((delimStr = delim.cap (i)).isEmpty() && i <= 3)
{
++i;
delimStr = delim.cap (i);
}
/* remove quotes */
if (delimStr.contains ('\''))
delimStr = delimStr.split ('\'').at (1);
if (delimStr.contains ('\"'))
delimStr = delimStr.split ('\"').at (1);
/* remove the start backslash if it exists */
if (QString (delimStr.at (0)) == "\\")
delimStr = delimStr.remove (0, 1);
if (!delimStr.isEmpty())
{
setCurrentBlockState (delimState);
setFormat (text.indexOf (delimStr, pos),
delimStr.length(),
delimFormat);
TextBlockData *data = static_cast<TextBlockData *>(currentBlock().userData());
data->insertInfo (delimStr);
data->insertInfo (true);
setCurrentBlockUserData (data);
return false;
}
}
if (previousBlockState() == delimState - 1 || previousBlockState() == delimState)
{
QTextBlock block = currentBlock().previous();
TextBlockData *data = static_cast<TextBlockData *>(block.userData());
delimStr = data->delimiter();
if (text == delimStr
|| (text.startsWith (delimStr)
&& text.indexOf (QRegExp ("\\s+")) == delimStr.length()))
{
/* format the end delimiter */
setFormat (0,
delimStr.length(),
delimFormat);
/* we need this in docChanged() */
data = static_cast<TextBlockData *>(currentBlock().userData());
data->insertInfo (true);
setCurrentBlockUserData (data);
return false;
}
else
{
/* format the contents */
TextBlockData *data = static_cast<TextBlockData *>(currentBlock().userData());
data->insertInfo (delimStr);
setCurrentBlockUserData (data);
setCurrentBlockState (delimState - 1);
setFormat (0, text.length(), blockFormat);
return true;
}
}
return false;
}
