File indexing completed on 2024-04-14 03:43:56
0001 /* 0002 SPDX-FileCopyrightText: 2003-2006 Cies Breijs <cies AT kde DOT nl> 0003 0004 SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 #include "highlighter.h" 0008 0009 0010 0011 Highlighter::Highlighter(QTextDocument *parent) 0012 : QSyntaxHighlighter(parent) 0013 { 0014 variableFormat.setFontWeight(QFont::Bold); 0015 variableFormat.setForeground(Qt::darkMagenta); 0016 0017 trueFalseFormat.setForeground(Qt::darkRed); 0018 0019 numberFormat.setForeground(Qt::darkRed); 0020 0021 commentFormat.setForeground(Qt::gray); 0022 0023 scopeFormat.setFontWeight(QFont::Bold); 0024 scopeFormat.setForeground(Qt::darkGreen); 0025 0026 stringFormat.setForeground(Qt::red); 0027 0028 controllerCommandFormat.setFontWeight(QFont::Bold); 0029 controllerCommandFormat.setForeground(Qt::black); 0030 0031 otherCommandFormat.setForeground(Qt::darkBlue); 0032 0033 learnCommandFormat.setFontWeight(QFont::Bold); 0034 learnCommandFormat.setForeground(Qt::green); 0035 0036 booleanOperatorFormat.setFontWeight(QFont::Bold); 0037 booleanOperatorFormat.setForeground(QColor(255, 90, 255)); // pink 0038 0039 expressionFormat.setFontWeight(QFont::Bold); 0040 expressionFormat.setForeground(QColor(90, 100, 255)); // light blue 0041 0042 mathOperatorFormat.setFontWeight(QFont::Bold); 0043 mathOperatorFormat.setForeground(Qt::darkGray); 0044 0045 assignmentFormat.setFontWeight(QFont::Bold); 0046 assignmentFormat.setForeground(Qt::black); 0047 0048 tokenizer = new Tokenizer(); 0049 } 0050 0051 Highlighter::~Highlighter() 0052 { 0053 delete tokenizer; 0054 } 0055 0056 0057 QTextCharFormat* Highlighter::formatForStatement(const QString &text) 0058 { 0059 // TODO store the Token (pointer) in the respective inspector lists so we don't have to re-tokenize here... 0060 tokenizer->initialize(text); 0061 return tokenToFormat(tokenizer->getToken()); 0062 } 0063 0064 Token* Highlighter::checkOrApplyHighlighting(const QString& text, int cursorIndex) 0065 { 0066 tokenizer->initialize(text); 0067 Token* token = tokenizer->getToken(); 0068 QTextCharFormat* format; 0069 while (token->type() != Token::EndOfInput) { 0070 format = tokenToFormat(token); 0071 if (format) { 0072 if (cursorIndex == -1) // does not return, but keeps running 0073 setFormat(token->startCol() - 1, token->endCol() - token->startCol(), *format); 0074 else if (cursorIndex >= token->startCol() && cursorIndex <= token->endCol()) 0075 return token; // returns, one shot only 0076 } 0077 delete token; 0078 token = tokenizer->getToken(); 0079 } 0080 delete token; 0081 return nullptr; 0082 } 0083 0084 QTextCharFormat* Highlighter::tokenToFormat(Token* token) 0085 { 0086 switch (token->category()) { 0087 case Token::VariableCategory: return &variableFormat; 0088 case Token::TrueFalseCategory: return &trueFalseFormat; 0089 case Token::NumberCategory: return &numberFormat; 0090 case Token::CommentCategory: return &commentFormat; 0091 case Token::StringCategory: return &stringFormat; 0092 case Token::ScopeCategory: return &scopeFormat; 0093 case Token::CommandCategory: return &otherCommandFormat; 0094 case Token::ControllerCommandCategory: return &controllerCommandFormat; 0095 case Token::LearnCommandCategory: return &learnCommandFormat; 0096 case Token::ExpressionCategory: return &expressionFormat; 0097 case Token::BooleanOperatorCategory: return &booleanOperatorFormat; 0098 case Token::MathOperatorCategory: return &mathOperatorFormat; 0099 case Token::AssignmentCategory: return &assignmentFormat; 0100 0101 // do nothing with these... 0102 case Token::ParenthesisCategory: return nullptr; 0103 case Token::FunctionCallCategory: return nullptr; 0104 case Token::ArgumentSeparatorCategory: return nullptr; 0105 } 0106 return nullptr; 0107 } 0108 0109 #include "moc_highlighter.cpp"