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93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* AWGS file handling.
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*/
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#ifndef REFORMAT_AWGS_H
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#define REFORMAT_AWGS_H
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#include "ReformatBase.h"
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/*
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* Reformat an AppleWorks GS Word Processor file.
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*/
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class ReformatAWGS_WP : public ReformatText {
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public:
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ReformatAWGS_WP(void) {}
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virtual ~ReformatAWGS_WP(void) {}
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virtual void Examine(ReformatHolder* pHolder) override;
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) override;
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private:
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/*
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* Definition of a "SaveArray" entry.
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*/
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typedef struct SaveArrayEntry {
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uint16_t textBlock; // Text Block number
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uint16_t offset; // add to offset of text block
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uint16_t attributes; // 0=normal text, 1=page break para
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uint16_t rulerNum; // number of ruler for this para
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uint16_t pixelHeight; // height of para in pixels
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uint16_t numLines; // number of lines in this para
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} SaveArrayEntry;
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/*
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* Every document has three chunks: header, footer, main document. Each
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* has the same general structure.
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*/
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typedef struct Chunk {
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const uint8_t* saveArray;
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const uint8_t* rulers;
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const uint8_t* textBlocks;
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uint16_t saveArrayCount;
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uint16_t numRulers;
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uint16_t numTextBlocks;
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} Chunk;
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enum {
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kExpectedVersion1 = 0x1011, // 1.0v2 and 1.1
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kExpectedVersion2 = 0x0006, // 1.0? beta?
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kExpectedIntVersion = 0x0002, // internal version number
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kDocHeaderLen = 282,
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kWPGlobalsLen = 386,
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kMinExpectedLen = kWPGlobalsLen + kDocHeaderLen + 2 +1,
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kSaveArrayEntryLen = 12,
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kRulerEntryLen = 52,
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kMinTextBlockSize = 4, // two counts
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};
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/* AWGS ruler "statusBits" values */
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enum {
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kAWGSJustifyFull = 0x80,
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kAWGSJustifyRight = 0x40,
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kAWGSJustifyCenter = 0x20,
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kAWGSJustifyLeft = 0x10,
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kAWGSNoBreakPara = 0x08, // para does not span pages
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kAWGSTripleSpace = 0x04, // really double
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kAWGSDoubleSpace = 0x02, // really 1.5x
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kAWGSSingleSpace = 0x01
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};
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bool ReadChunk(const uint8_t** pSrcBuf, long* pSrcLen,
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Chunk* pChunk);
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void PrintChunk(const Chunk* pChunk);
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const uint8_t* FindTextBlock(const Chunk* pChunk, int blockNum);
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int PrintParagraph(const uint8_t* ptr, long maxLen);
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uint16_t GetNumRulers(const uint8_t* pSaveArray,
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uint16_t saveArrayCount);
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uint16_t GetNumTextBlocks(const uint8_t* pSaveArray,
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uint16_t saveArrayCount);
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void UnpackSaveArrayEntry(const uint8_t* pSaveArray,
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SaveArrayEntry* pSAE);
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bool SkipTextBlocks(const uint8_t** pSrcBuf,
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long* pSrcLen, int blockCount);
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};
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#endif /*REFORMAT_AWGS_H*/
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