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93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
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//
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// PageReader.h
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//
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// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef PageReader_INCLUDED
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#define PageReader_INCLUDED
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#include "Poco/Poco.h"
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#include <istream>
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#include <ostream>
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#include <sstream>
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class Page;
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class PageReader
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/// This class implements the parser for reading page files
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/// containing JSP-style tags.
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{
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public:
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PageReader(Page& page, const std::string& path);
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/// Creates the PageReader, using the given Page.
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PageReader(const PageReader& parent, const std::string& path);
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/// Creates the PageReader, using the given PageReader as parent.
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~PageReader();
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/// Destroys the PageReader.
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void parse(std::istream& pageStream);
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/// Parses a HTML file containing server page directives,
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/// converts the file into C++ code and adds the code
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/// to the reader's Page object. Also parses page
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/// attributes and include directives.
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void emitLineDirectives(bool flag = true);
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/// Enables writing of #line directives to generated code.
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protected:
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enum ParsingState
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{
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STATE_MARKUP,
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STATE_IMPLDECL,
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STATE_HDRDECL,
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STATE_PREHANDLER,
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STATE_BLOCK,
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STATE_EXPR,
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STATE_ESC_EXPR,
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STATE_COMMENT,
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STATE_ATTR
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};
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static const std::string MARKUP_BEGIN;
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static const std::string MARKUP_END;
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static const std::string EXPR_BEGIN;
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static const std::string EXPR_END;
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static const std::string ESC_EXPR_BEGIN;
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static const std::string ESC_EXPR_END;
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void include(const std::string& path);
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void parseAttributes();
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void nextToken(std::istream& istr, std::string& token);
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void handleAttribute(const std::string& name, const std::string& value);
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std::string where() const;
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bool escape() const;
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protected:
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void generateLineDirective(std::ostream& ostr);
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private:
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PageReader();
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PageReader(const PageReader&);
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PageReader& operator = (const PageReader&);
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Page& _page;
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const PageReader* _pParent;
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std::string _path;
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std::string _attrs;
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std::streamsize _line;
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bool _emitLineDirectives;
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};
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#endif // PageReader_INCLUDED
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