qasm/ciderpress/reformat/AWGS.h
2019-11-13 15:45:39 -08:00

93 lines
3.1 KiB
C++

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