mirror of https://github.com/apache/poi.git
fix stylesheet saving
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1156629 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sergey Vladimirov
parent
397d0991a5
commit
c247d22443
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@ -32,7 +32,10 @@ import org.apache.poi.util.LittleEndian;
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* compressed styles that are based on styles contained in the stylesheet. This
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* class also contains static utility functions to uncompress different
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* formatting properties.
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*
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* <p>
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* Fields documentation is quotes from Microsoft Office Word 97-2007 Binary File
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* Format (.doc) Specification, page 36 of 210
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*
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* @author Ryan Ackley
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*/
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@Internal
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@ -48,13 +51,74 @@ public final class StyleSheet implements HDFType {
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private final static ParagraphProperties NIL_PAP = new ParagraphProperties();
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private final static CharacterProperties NIL_CHP = new CharacterProperties();
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private int _stshiLength;
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private int _baseLength;
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private int _flags;
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private int _maxIndex;
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private int _maxFixedIndex;
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private int _stylenameVersion;
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private int[] _rgftc;
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/**
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* Size of the STSHI structure
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*/
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private int _cbStshi;
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/**
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* Length of STD Base as stored in a file
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* <p>
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* "The STD structure (see below) is divided into a fixed-length "base", and
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* a variable length part. The stshi.cbSTDBaseInFile indicates the size in
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* bytes of the fixed-length base of the STD as it was written in this file.
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* If the STD base is grown in a future version, the file format doesn't
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* change, because the style sheet reader can discard parts it doesn't know
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* about, or use defaults if the file's STD is not as large as it was
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* expecting. (Currently, stshi.cbSTDBaseInFile is 8.)"
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*/
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private int _cbSTDBaseInFile;
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/**
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* First bit - Are built-in stylenames stored?
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* <p>
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* "Previous versions of Word did not store the style name if the style was
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* a built-in style; Word 6.0 stores the style name for compatibility with
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* future versions. Note: the built-in style names may need to be
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* "regenerated" if the file is opened in a different language or if
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* stshi.nVerBuiltInNamesWhenSaved doesn't match the expected value."
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* <p>
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* other - Spare flags
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*/
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private int _flags;
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/**
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* Max sti known when this file was written
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* <p>
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* "This indicates the last built-in style known to the version of Word that
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* saved this file."
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*/
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private int _stiMaxWhenSaved;
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/**
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* How many fixed-index istds are there?
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* <p>
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* "Each array of styles has some fixed-index styles at the beginning. This
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* indicates the number of fixed-index positions reserved in the style sheet
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* when it was saved."
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*/
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private int _istdMaxFixedWhenSaved;
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/**
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* Current version of built-in stylenames
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* <p>
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* "Since built-in style names are saved with the document, this provides a
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* way to see if the saved names are the same "version" as the names in the
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* version of Word that is loading the file. If not, the built-in style
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* names need to be "regenerated", i.e. the old names need to be replaced
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* with the new."
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*/
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private int nVerBuiltInNamesWhenSaved;
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/**
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* rgftc used by StandardChpStsh for document
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* <p>
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* "This is a list of the default fonts for this style sheet. The first is
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* for ASCII characters (0-127), the second is for East Asian characters,
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* and the third is the default font for non-East Asian, non-ASCII text. See
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* notes on sprmCRgftcX for details."
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*/
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private int[] _rgftcStandardChpStsh;
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StyleDescription[] _styleDescriptions;
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@ -67,33 +131,48 @@ public final class StyleSheet implements HDFType {
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*/
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public StyleSheet(byte[] tableStream, int offset)
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{
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int startOffset = offset;
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_stshiLength = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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int stdCount = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_baseLength = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_flags = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_maxIndex = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_maxFixedIndex = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_stylenameVersion = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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int startOffset = offset;
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_cbStshi = LittleEndian.getShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_rgftc = new int[3];
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_rgftc[0] = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_rgftc[1] = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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_rgftc[2] = LittleEndian.getShort(tableStream, offset);
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offset += LittleEndian.SHORT_SIZE;
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/*
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* Count of styles in stylesheet
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*
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* The number of styles in this style sheet. There will be stshi.cstd
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* (cbSTD, STD) pairs in the file following the STSHI. Note: styles can
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* be empty, i.e. cbSTD==0.
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*/
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int cstd = LittleEndian.getUShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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offset = startOffset + LittleEndian.SHORT_SIZE + _stshiLength;
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_styleDescriptions = new StyleDescription[stdCount];
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for(int x = 0; x < stdCount; x++)
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_cbSTDBaseInFile = LittleEndian.getUShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_flags = LittleEndian.getShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_stiMaxWhenSaved = LittleEndian.getUShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_istdMaxFixedWhenSaved = LittleEndian.getUShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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nVerBuiltInNamesWhenSaved = LittleEndian.getUShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_rgftcStandardChpStsh = new int[3];
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_rgftcStandardChpStsh[0] = LittleEndian.getShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_rgftcStandardChpStsh[1] = LittleEndian.getShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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_rgftcStandardChpStsh[2] = LittleEndian.getShort( tableStream, offset );
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offset += LittleEndian.SHORT_SIZE;
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// shall we discard cbLSD and mpstilsd?
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offset = startOffset + LittleEndian.SHORT_SIZE + _cbStshi;
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_styleDescriptions = new StyleDescription[cstd];
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for(int x = 0; x < cstd; x++)
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{
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int stdSize = LittleEndian.getShort(tableStream, offset);
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//get past the size
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@ -103,7 +182,7 @@ public final class StyleSheet implements HDFType {
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//byte[] std = new byte[stdSize];
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StyleDescription aStyle = new StyleDescription(tableStream,
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_baseLength, offset, true);
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_cbSTDBaseInFile, offset, true);
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_styleDescriptions[x] = aStyle;
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}
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@ -124,29 +203,39 @@ public final class StyleSheet implements HDFType {
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public void writeTo(HWPFOutputStream out)
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throws IOException
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{
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int offset = 0;
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/*
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* we don't support 2003 Word extensions in STSHI (but may be we should
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* at least not delete them, shouldn't we?), so our structure is always
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* 18 bytes in length -- sergey
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*/
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this._cbStshi = 18;
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// add two bytes so we can prepend the stylesheet w/ its size
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byte[] buf = new byte[_stshiLength + 2];
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LittleEndian.putShort(buf, offset, (short)_stshiLength);
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byte[] buf = new byte[_cbStshi + 2];
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LittleEndian.putUShort(buf, offset, (short)_cbStshi);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_styleDescriptions.length);
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LittleEndian.putUShort(buf, offset, (short)_styleDescriptions.length);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_baseLength);
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LittleEndian.putUShort(buf, offset, (short)_cbSTDBaseInFile);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_flags);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_maxIndex);
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LittleEndian.putUShort(buf, offset, (short)_stiMaxWhenSaved);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_maxFixedIndex);
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LittleEndian.putUShort(buf, offset, (short)_istdMaxFixedWhenSaved);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_stylenameVersion);
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LittleEndian.putUShort(buf, offset, (short)nVerBuiltInNamesWhenSaved);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_rgftc[0]);
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LittleEndian.putShort(buf, offset, (short)_rgftcStandardChpStsh[0]);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_rgftc[1]);
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LittleEndian.putShort(buf, offset, (short)_rgftcStandardChpStsh[1]);
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offset += LittleEndian.SHORT_SIZE;
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LittleEndian.putShort(buf, offset, (short)_rgftc[2]);
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LittleEndian.putShort(buf, offset, (short)_rgftcStandardChpStsh[2]);
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out.write(buf);
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@ -180,11 +269,11 @@ public final class StyleSheet implements HDFType {
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{
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StyleSheet ss = (StyleSheet)o;
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if (ss._baseLength == _baseLength && ss._flags == _flags &&
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ss._maxFixedIndex ==_maxFixedIndex && ss._maxIndex == _maxIndex &&
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ss._rgftc[0] == _rgftc[0] && ss._rgftc[1] == _rgftc[1] &&
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ss._rgftc[2] == _rgftc[2] && ss._stshiLength == _stshiLength &&
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ss._stylenameVersion == _stylenameVersion)
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if (ss._cbSTDBaseInFile == _cbSTDBaseInFile && ss._flags == _flags &&
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ss._istdMaxFixedWhenSaved ==_istdMaxFixedWhenSaved && ss._stiMaxWhenSaved == _stiMaxWhenSaved &&
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ss._rgftcStandardChpStsh[0] == _rgftcStandardChpStsh[0] && ss._rgftcStandardChpStsh[1] == _rgftcStandardChpStsh[1] &&
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ss._rgftcStandardChpStsh[2] == _rgftcStandardChpStsh[2] && ss._cbStshi == _cbStshi &&
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ss.nVerBuiltInNamesWhenSaved == nVerBuiltInNamesWhenSaved)
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{
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if (ss._styleDescriptions.length == _styleDescriptions.length)
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{
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