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-rw-r--r--desktop-utilities/lumina-textedit/syntaxSupport.cpp39
-rw-r--r--desktop-utilities/lumina-textedit/syntaxSupport.h42
2 files changed, 80 insertions, 1 deletions
diff --git a/desktop-utilities/lumina-textedit/syntaxSupport.cpp b/desktop-utilities/lumina-textedit/syntaxSupport.cpp
index 27664c52..38ca4d3f 100644
--- a/desktop-utilities/lumina-textedit/syntaxSupport.cpp
+++ b/desktop-utilities/lumina-textedit/syntaxSupport.cpp
@@ -5,6 +5,7 @@
// See the LICENSE file for full details
//===========================================
#include "syntaxSupport.h"
+
QStringList Custom_Syntax::availableRules(){
QStringList avail;
avail << "C++";
@@ -19,8 +20,46 @@ QString Custom_Syntax::ruleForFile(QString filename){
}
void Custom_Syntax::loadRules(QString type){
+ //NOTE: the "multiLineComment
rules.clear();
+ splitrules.clear();
if(type=="C++"){
+ //Keywords (standard C/C++/Qt definitions)
+ QStringList keywords;
+ keywords << "char" << "class" << "const" << "double" << "enum" << "explicit" << "friend" << "inline" \
+ << "int" << "long" << "namespace" << "operator" << "private" << "protected" << "public" \
+ << "short" << "signals" << "signed" << "slots" << "static" << "struct" << "template" \
+ << "typedef" << "typename" << "union" << "unsigned" << "virtual" << "void" << "volatile";
+ SyntaxRule rule;
+ rule.format.setForeground(Qt::darkBlue);
+ rule.format.setFontWeight(QFont::Bold);
+ for(int i=0; i<keywords.length(); i++){
+ rule.pattern = QRegExp("\\b"+keywords[i]+"\\b"); //turn each keyword into a QRegExp and insert the rule
+ rules << rule;
+ }
+ //Class Names
+ rule.format.setForeground(Qt::darkMagenta);
+ rule.pattern = QRegExp("\\bQ[A-Za-z]+\\b");
+ rules << rule;
+ //Quotes
+ rule.format.setForeground(Qt::red);
+ rule.format.setFontWeight(QFont::Normal);
+ rule.pattern = QRegExp("\".*\"");
+ rules << rule;
+ //Functions
+ rule.format.setForeground(Qt::blue);
+ rule.pattern = QRegExp("\\b[A-Za-z0-9_]+(?=\\()");
+ rules << rule;
+ //Comment (single line)
+ rule.format.setForeground(Qt::green);
+ rule.pattern = QRegExp("//[^\n]*");
+ rules << rule;
+ //Comment (multi-line)
+ SyntaxRuleSplit srule;
+ srule.format = rule.format; //re-use the single-line comment format
+ srule.startPattern = QRegExp("/\\*");
+ srule.endPattern = QRegExp("\\*/");
+ splitrules << srule;
}
} \ No newline at end of file
diff --git a/desktop-utilities/lumina-textedit/syntaxSupport.h b/desktop-utilities/lumina-textedit/syntaxSupport.h
index e8944aa4..a4f36822 100644
--- a/desktop-utilities/lumina-textedit/syntaxSupport.h
+++ b/desktop-utilities/lumina-textedit/syntaxSupport.h
@@ -12,15 +12,23 @@
#include <QTextCharFormat>
#include <QString>
+//Simple syntax rules
struct SyntaxRule{
QRegExp pattern;
QTextCharFormat format;
};
+//Complicated/multi-line rules
+struct SyntaxRuleSplit{
+ QRegExp startPattern, endPattern;
+ QTextCharFormat format;
+};
class Custom_Syntax : public QSyntaxHighlighter{
Q_OBJECT
private:
QVector<SyntaxRule> rules;
+ QVector<SyntaxRuleSplit> splitrules;
+
public:
Custom_Syntax(QTextDocument *parent = 0) : QSyntaxHighlighter(parent){
}
@@ -39,7 +47,39 @@ protected:
setFormat(index, len, rules[i].format);
index = patt.indexIn(text, index+len); //go to the next match
}
- }
+ }//end loop over normal (single-line) patterns
+ //Now look for any multi-line patterns (starting/continuing/ending)
+ int start = 0;
+ int splitactive = previousBlockState();
+ if(splitactive>splitrules.length()-1){ splitactive = -1; } //just in case
+ while(start>=0 && start<text.length()-1){
+ //qDebug() << "split check:" << start << splitactive;
+ if(splitactive>=0){
+ //Find the end of the current rule
+ int end = splitrules[splitactive].endPattern.indexIn(text, start);
+ if(end==-1){
+ //rule did not finish - apply to all
+ setFormat(start, text.length()-start, splitrules[splitactive].format);
+ break; //stop looking for more multi-line patterns
+ }else{
+ //Found end point
+ int len = end-start+splitrules[splitactive].endPattern.matchedLength();
+ setFormat(start, len , splitrules[splitactive].format);
+ start+=len; //move pointer to the end of handled range
+ splitactive = -1; //done with this rule
+ }
+ } //end check for end match
+ //Look for the start of any new split rule
+ for(int i=0; i<splitrules.length() && splitactive<0; i++){
+ int newstart = splitrules[i].startPattern.indexIn(text,start);
+ if(newstart>=start){
+ splitactive = i;
+ start = newstart;
+ }
+ }
+ if(splitactive<0){ break; } //no other rules found - go ahead and exit the loop
+ }
+ setCurrentBlockState(splitactive);
}
};
#endif \ No newline at end of file
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