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20 package org.apache.poi.hdf.extractor.data;
21
22 import java.util.*;
23
24 import org.apache.poi.hdf.extractor.*;
25
26
27
32
33 public class ListTables
34 {
35
36 LFO[] _pllfo;
37 Hashtable _lists = new Hashtable();
38
39 public ListTables(byte[] plcflst, byte[] plflfo)
40 {
41 initLST(plcflst);
42 initLFO(plflfo);
43 }
44 public LVL getLevel(int list, int level)
45 {
46
47 LFO override = _pllfo[list - 1];
48
49 for(int x = 0; x < override._clfolvl; x++)
50 {
51 if(override._levels[x]._ilvl == level)
52 {
53 LFOLVL lfolvl = override._levels[x];
54 if(lfolvl._fFormatting)
55 {
56 LST lst = (LST)_lists.get(new Integer  (override._lsid));
57 LVL lvl = lfolvl._override;
58 lvl._istd = Utils.convertBytesToShort(lst._rgistd, level * 2);
59 return lvl;
60 }
61 else if(lfolvl._fStartAt)
62 {
63 LST lst = (LST)_lists.get(new Integer (override._lsid));
64 LVL lvl = lst._levels[level];
65 LVL newLvl = (LVL)lvl.clone();
66 newLvl._istd = Utils.convertBytesToShort(lst._rgistd, level * 2);
67 newLvl._iStartAt = lfolvl._iStartAt;
68 return newLvl;
69 }
70 }
71 }
72
73 LST lst = (LST)_lists.get(new Integer (override._lsid));
74 LVL lvl = lst._levels[level];
75 lvl._istd = Utils.convertBytesToShort(lst._rgistd, level * 2);
76 return lvl;
77
78
79 }
80 private void initLST(byte[] plcflst)
81 {
82 short length = Utils.convertBytesToShort(plcflst, 0);
83 int nextLevelOffset = 0;
84 for(int x = 0; x < length; x++)
86 {
87 LST lst = new LST();
88 lst._lsid = Utils.convertBytesToInt(plcflst, 2 + (x * 28));
89 lst._tplc = Utils.convertBytesToInt(plcflst, 2 + 4 + (x * 28));
90 System.arraycopy(plcflst, 2 + 8 + (x * 28), lst._rgistd, 0, 18);
91 byte code = plcflst[2 + 26 + (x * 28)];
92 lst._fSimpleList = StyleSheet.getFlag(code & 0x01);
93 _lists.put(new Integer (lst._lsid), lst);
95
96 if(lst._fSimpleList)
97 {
98 lst._levels = new LVL[1];
99 }
100 else
101 {
102 lst._levels = new LVL[9];
103 }
104
105 for(int y = 0; y < lst._levels.length; y++)
106 {
107 int offset = 2 + (length * 28) + nextLevelOffset;
108 lst._levels[y] = new LVL();
109 nextLevelOffset += createLVL(plcflst, offset, lst._levels[y]);
110 }
111 }
112
113
114 }
115 private void initLFO(byte[] plflfo)
116 {
117 int lfoSize = Utils.convertBytesToInt(plflfo, 0);
118 _pllfo = new LFO[lfoSize];
119 for(int x = 0; x < lfoSize; x++)
120 {
121 LFO nextLFO = new LFO();
122 nextLFO._lsid = Utils.convertBytesToInt(plflfo, 4 + (x * 16));
123 nextLFO._clfolvl = plflfo[4 + 12 + (x * 16)];
124 nextLFO._levels = new LFOLVL[nextLFO._clfolvl];
125 _pllfo[x] = nextLFO;
126 }
127
128 int lfolvlOffset = (lfoSize * 16) + 4;
129 int lvlOffset = 0;
130 int lfolvlNum = 0;
131 for(int x = 0; x < lfoSize; x++)
132 {
133 for(int y = 0; y < _pllfo[x]._clfolvl; y++)
134 {
135 int offset = lfolvlOffset + (lfolvlNum * 8) + lvlOffset;
136 LFOLVL lfolvl = new LFOLVL();
137 lfolvl._iStartAt = Utils.convertBytesToInt(plflfo, offset);
138 lfolvl._ilvl = Utils.convertBytesToInt(plflfo, offset + 4);
139 lfolvl._fStartAt = StyleSheet.getFlag(lfolvl._ilvl & 0x10);
140 lfolvl._fFormatting = StyleSheet.getFlag(lfolvl._ilvl & 0x20);
141 lfolvl._ilvl = (lfolvl._ilvl & (byte)0x0f);
142 lfolvlNum++;
143
144 if(lfolvl._fFormatting)
145 {
146 offset = lfolvlOffset + (lfolvlNum * 12) + lvlOffset;
147 lfolvl._override = new LVL();
148 lvlOffset += createLVL(plflfo, offset, lfolvl._override);
149 }
150 _pllfo[x]._levels[y] = lfolvl;
151 }
152 }
153 }
154 private int createLVL(byte[] data, int offset, LVL lvl)
155 {
156
157 lvl._iStartAt = Utils.convertBytesToInt(data, offset);
158 lvl._nfc = data[offset + 4];
159 int code = Utils.convertBytesToInt(data, offset + 5);
160 lvl._jc = (byte)(code & 0x03);
161 lvl._fLegal = StyleSheet.getFlag(code & 0x04);
162 lvl._fNoRestart = StyleSheet.getFlag(code & 0x08);
163 lvl._fPrev = StyleSheet.getFlag(code & 0x10);
164 lvl._fPrevSpace = StyleSheet.getFlag(code & 0x20);
165 lvl._fWord6 = StyleSheet.getFlag(code & 0x40);
166 System.arraycopy(data, offset + 6, lvl._rgbxchNums, 0, 9);
167 lvl._ixchFollow = data[offset + 15];
168 int chpxSize = data[offset + 24];
169 int papxSize = data[offset + 25];
170 lvl._chpx = new byte[chpxSize];
171 lvl._papx = new byte[papxSize];
172 System.arraycopy(data, offset + 28, lvl._papx, 0, papxSize);
173 System.arraycopy(data, offset + 28 + papxSize, lvl._chpx, 0, chpxSize);
174 offset += 28 + papxSize + chpxSize; int xstSize = Utils.convertBytesToShort(data, offset);
176 lvl._xst = new char[xstSize];
177
178 offset += 2;
179 for(int x = 0; x < xstSize; x++)
180 {
181 lvl._xst[x] = (char)Utils.convertBytesToShort(data, offset + (x * 2));
182 }
183 return 28 + papxSize + chpxSize + 2 + (xstSize * 2);
184 }
185 }
186 |
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