css.h

Go to the documentation of this file.

/*******************************************************************************
Copyright (c) 2021, Jan Koester jan.koester@gmx.net
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of the <organization> nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
 
#pragma once
 
#include <string>
#include <vector>
#include <memory>
 
namespace libhtmlpp {
 
    class CSSProperty {
    public:
        CSSProperty();
        CSSProperty(const std::string &name, const std::string &value);
        CSSProperty(const CSSProperty &prop);
        ~CSSProperty();
 
        CSSProperty& operator=(const CSSProperty &prop);
 
        const std::string& getName() const;
        void                setName(const std::string &name);
 
        const std::string& getValue() const;
        void                setValue(const std::string &value);
 
    private:
        std::string _Name;
        std::string _Value;
    };
 
    class CSSDeclaration {
    public:
        CSSDeclaration();
        CSSDeclaration(const CSSDeclaration &decl);
        ~CSSDeclaration();
 
        CSSDeclaration& operator=(const CSSDeclaration &decl);
 
        void addProperty(const std::string &name, const std::string &value);
        void removeProperty(const std::string &name);
 
        const CSSProperty* getProperty(const std::string &name) const;
 
        const std::vector<CSSProperty>& getProperties() const;
 
        std::string serialize() const;
 
        void parse(const std::string &input);
        void clear();
 
    private:
        std::vector<CSSProperty> _Properties;
    };
 
    class CSSRule {
    public:
        CSSRule();
        CSSRule(const std::string &selector);
        CSSRule(const CSSRule &rule);
        ~CSSRule();
 
        CSSRule& operator=(const CSSRule &rule);
 
        const std::string& getSelector() const;
        void                setSelector(const std::string &selector);
 
        CSSDeclaration&       getDeclaration();
        const CSSDeclaration& getDeclaration() const;
 
        std::string serialize(bool formatted = false) const;
 
    private:
        std::string     _Selector;
        CSSDeclaration  _Declaration;
    };
 
    class CSSStyleSheet {
    public:
        CSSStyleSheet();
        CSSStyleSheet(const CSSStyleSheet &sheet);
        ~CSSStyleSheet();
 
        CSSStyleSheet& operator=(const CSSStyleSheet &sheet);
 
        void parse(const std::string &input);
 
        void addRule(const CSSRule &rule);
        void removeRule(size_t index);
 
        const CSSRule* getRule(size_t index) const;
        size_t         getRuleCount() const;
 
        const std::vector<CSSRule>& getRules() const;
 
        std::string serialize(bool formatted = false) const;
        void clear();
 
        static CSSDeclaration parseInlineStyle(const std::string &style);
 
    private:
        void _skipWhitespace(const std::string &input, size_t &pos) const;
        void _skipComment(const std::string &input, size_t &pos) const;
        std::vector<CSSRule> _Rules;
    };
 
}