forked from Mirrors/openclonk
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2005-2009, RedWolf Design GmbH, http://www.clonk.de
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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// RTF file parsing functionality
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#ifndef INC_C4RTF
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#define INC_C4RTF
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#include <StdBuf.h>
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class C4RTFFile
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{
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public:
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struct KeywordTableEntry
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{
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const char *szKeyword;
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int iDefaultParam;
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bool fForceDefaultParam;
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enum { kwdChars, kwdDest, kwdProp, kwdSpec} eType;
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const char *szChars;
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int idx; // index into property table
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};
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struct CharProps
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{
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};
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struct ParagraphProps
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{
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};
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struct SectionProps
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{
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};
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struct DocumentProps
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{
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};
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enum DestState { dsNormal, dsSkip };
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enum ParserState { psNormal, psBinary, psHex };
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enum SpecialKeyword { specBin, specHex, specSkipDest, specAnsicpg };
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// RTF parser state; states may be nested in definition blocks
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struct PropertyState
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{
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PropertyState *pNext; // linked list
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CharProps cp;
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ParagraphProps pp;
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SectionProps sp;
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DocumentProps dp;
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DestState dest;
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ParserState eState;
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char bHex; // used by hex parser
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int iHexBinCnt; // used by hex and binary parser
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int charset;
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// default ctor
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PropertyState() : pNext(NULL), cp(), pp(), sp(), dp(), dest(dsNormal), eState(psNormal), bHex(0), iHexBinCnt(0), charset(0) { }
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};
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class ParserError
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{
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public:
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StdCopyStrBuf ErrorText;
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ParserError(const char *szErr) { ErrorText.Copy(szErr); }
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};
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private:
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StdBuf sRTF; // rtf formatted text
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PropertyState *pState;
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bool fSkipDestIfUnknownKeyword;
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public:
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C4RTFFile();
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~C4RTFFile();
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private:
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void ClearState();
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void EndGroupAction() {}
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void AssertNoEOF(size_t iPos);
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void ApplyPropChange(int iProp, int iParam) {}
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void ChangeDest(StdStrBuf &sResult, int iDest);
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void SpecialKeyword(StdStrBuf &sResult, int iKeyw, int iParam);
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void TranslateKeyword(StdStrBuf &sResult, const char *szKeyword, int iParam, bool fHasIntParam);
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void ParseKeyword(StdStrBuf &sResult, size_t &iPos);
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void ParseChars(StdStrBuf &sResult, const char *szChars);
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void ParseChar(StdStrBuf &sResult, char c);
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void ParseHexChar(StdStrBuf &sResult, char c);
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void PushState();
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void PopState();
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public:
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void Load(const StdBuf &sContents) // load RTF text from file
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{ sRTF.Copy(sContents); }
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StdStrBuf GetPlainText(); // convert to plain text
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};
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#endif // INC_C4RTF
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