91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
#pragma once
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#ifndef HIGHLIGHTER_H
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#define HIGHLIGHTER_H
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#include "XMLLexer.h"
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#include <string>
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#include <vector>
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#include <map>
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#include <iostream>
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class Highlighter {
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public:
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/**
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* Create a new Highlighter with the content of the xml file
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*/
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Highlighter(std::istream &file);
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virtual ~Highlighter();
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/**
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* Do the actual highlighting and write it to the provided ostream
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* This is a pure virtual function and has to be implemented when creating a new kind of highlighter
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*/
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virtual void highlight(std::ostream &os)=0;
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protected:
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/**
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* Do the actual work with the lexer
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*/
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void process();
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/**
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* Local Tokentype used to identify what part of the xml structure is inside the token
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* This is necessary because we use two different lexers with different TokenTypes
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*/
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enum TokenType {
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COMMENT,
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TAG,
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CONTENT,
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ELEMENT,
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ATTRIBUTE,
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ATTRIBURE_CONTENT,
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WHITESPACE,
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BRACKET,
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nonmatching
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};
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/**
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* Represent all the different colors
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*/
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enum Color { Red, Green, Blue, Orange, Yellow, Cyan, Grey, Black, White, Magenta, Pink, Brown, Indigo, Violet, Undefined}; // All the colors, not all of them are used, but it's easy to change now
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/**
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* A structure used to hold the tokens with their content, TokenType and color
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*/
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struct Token {
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std::string content = "";
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Color color;
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TokenType type;
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};
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// Used to determine the color connected to the TokenType
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std::map<TokenType, Color> colormap;
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// Hold the tokens
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std::vector<Token> m_tokens;
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// Hold the first lexer
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XMLLexer *m_lexer;
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};
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class ConsoleHighlighter: public Highlighter {
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/**
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* A SyntaxHighlighter specifically for console output
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* Look at the base class for more information
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*/
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public:
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ConsoleHighlighter(std::istream &file);
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void highlight(std::ostream &os);
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};
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#endif // HIGHLIGHTER_H
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