15900e8ecSAndrew Rist /**************************************************************
2*facfa769Smseidel *
35900e8ecSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
45900e8ecSAndrew Rist * or more contributor license agreements. See the NOTICE file
55900e8ecSAndrew Rist * distributed with this work for additional information
65900e8ecSAndrew Rist * regarding copyright ownership. The ASF licenses this file
75900e8ecSAndrew Rist * to you under the Apache License, Version 2.0 (the
85900e8ecSAndrew Rist * "License"); you may not use this file except in compliance
95900e8ecSAndrew Rist * with the License. You may obtain a copy of the License at
10*facfa769Smseidel *
115900e8ecSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*facfa769Smseidel *
135900e8ecSAndrew Rist * Unless required by applicable law or agreed to in writing,
145900e8ecSAndrew Rist * software distributed under the License is distributed on an
155900e8ecSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
165900e8ecSAndrew Rist * KIND, either express or implied. See the License for the
175900e8ecSAndrew Rist * specific language governing permissions and limitations
185900e8ecSAndrew Rist * under the License.
19*facfa769Smseidel *
205900e8ecSAndrew Rist *************************************************************/
215900e8ecSAndrew Rist
225900e8ecSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_svtools.hxx"
26cdf0e10cSrcweir
27*facfa769Smseidel #include <stdio.h> // for EOF
28cdf0e10cSrcweir #include <rtl/tencinfo.h>
29cdf0e10cSrcweir #include <tools/stream.hxx>
30cdf0e10cSrcweir #include <tools/debug.hxx>
31cdf0e10cSrcweir #include <svtools/rtftoken.h>
32cdf0e10cSrcweir #include <svtools/rtfkeywd.hxx>
33cdf0e10cSrcweir #include <svtools/parrtf.hxx>
34cdf0e10cSrcweir
35cdf0e10cSrcweir const int MAX_STRING_LEN = 1024;
36cdf0e10cSrcweir const int MAX_TOKEN_LEN = 128;
37cdf0e10cSrcweir
38cdf0e10cSrcweir #define RTF_ISDIGIT( c ) (c >= '0' && c <= '9')
39cdf0e10cSrcweir #define RTF_ISALPHA( c ) ( (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') )
40cdf0e10cSrcweir
SvRTFParser(SvStream & rIn,sal_uInt8 nStackSize)41cdf0e10cSrcweir SvRTFParser::SvRTFParser( SvStream& rIn, sal_uInt8 nStackSize )
42cdf0e10cSrcweir : SvParser( rIn, nStackSize ),
43*facfa769Smseidel eUNICodeSet( RTL_TEXTENCODING_MS_1252 ), // default is ANSI code set
44cdf0e10cSrcweir nUCharOverread( 1 )
45cdf0e10cSrcweir {
46*facfa769Smseidel // default is ANSI code set
47cdf0e10cSrcweir SetSrcEncoding( RTL_TEXTENCODING_MS_1252 );
48cdf0e10cSrcweir bRTF_InTextRead = false;
49cdf0e10cSrcweir }
50cdf0e10cSrcweir
~SvRTFParser()51cdf0e10cSrcweir SvRTFParser::~SvRTFParser()
52cdf0e10cSrcweir {
53cdf0e10cSrcweir }
54cdf0e10cSrcweir
55cdf0e10cSrcweir
56cdf0e10cSrcweir
57cdf0e10cSrcweir
_GetNextToken()58cdf0e10cSrcweir int SvRTFParser::_GetNextToken()
59cdf0e10cSrcweir {
60cdf0e10cSrcweir int nRet = 0;
61cdf0e10cSrcweir do {
62cdf0e10cSrcweir int bNextCh = true;
63cdf0e10cSrcweir switch( nNextCh )
64cdf0e10cSrcweir {
65cdf0e10cSrcweir case '\\':
66cdf0e10cSrcweir {
67cdf0e10cSrcweir // Steuerzeichen
68cdf0e10cSrcweir switch( nNextCh = GetNextChar() )
69cdf0e10cSrcweir {
70cdf0e10cSrcweir case '{':
71cdf0e10cSrcweir case '}':
72cdf0e10cSrcweir case '\\':
73cdf0e10cSrcweir case '+': // habe ich in einem RTF-File gefunden
74cdf0e10cSrcweir case '~': // nonbreaking space
75cdf0e10cSrcweir case '-': // optional hyphen
76cdf0e10cSrcweir case '_': // nonbreaking hyphen
77cdf0e10cSrcweir case '\'': // HexValue
78cdf0e10cSrcweir nNextCh = '\\';
79cdf0e10cSrcweir rInput.SeekRel( -1 );
80cdf0e10cSrcweir ScanText();
81cdf0e10cSrcweir nRet = RTF_TEXTTOKEN;
82cdf0e10cSrcweir bNextCh = 0 == nNextCh;
83cdf0e10cSrcweir break;
84cdf0e10cSrcweir
85cdf0e10cSrcweir case '*': // ignoreflag
86cdf0e10cSrcweir nRet = RTF_IGNOREFLAG;
87cdf0e10cSrcweir break;
88cdf0e10cSrcweir case ':': // subentry in an index entry
89cdf0e10cSrcweir nRet = RTF_SUBENTRYINDEX;
90cdf0e10cSrcweir break;
91*facfa769Smseidel case '|': // formula-character
92cdf0e10cSrcweir nRet = RTF_FORMULA;
93cdf0e10cSrcweir break;
94cdf0e10cSrcweir
95cdf0e10cSrcweir case 0x0a:
96cdf0e10cSrcweir case 0x0d:
97cdf0e10cSrcweir nRet = RTF_PAR;
98cdf0e10cSrcweir break;
99cdf0e10cSrcweir
100cdf0e10cSrcweir default:
101cdf0e10cSrcweir if( RTF_ISALPHA( nNextCh ) )
102cdf0e10cSrcweir {
103cdf0e10cSrcweir aToken = '\\';
104cdf0e10cSrcweir {
105cdf0e10cSrcweir String aStrBuffer;
106cdf0e10cSrcweir sal_Unicode* pStr = aStrBuffer.AllocBuffer(
107cdf0e10cSrcweir MAX_TOKEN_LEN );
108cdf0e10cSrcweir xub_StrLen nStrLen = 0;
109cdf0e10cSrcweir do {
110cdf0e10cSrcweir *(pStr + nStrLen++) = nNextCh;
111cdf0e10cSrcweir if( MAX_TOKEN_LEN == nStrLen )
112cdf0e10cSrcweir {
113cdf0e10cSrcweir aToken += aStrBuffer;
114*facfa769Smseidel aToken.GetBufferAccess(); // make unique string!
115cdf0e10cSrcweir nStrLen = 0;
116cdf0e10cSrcweir }
117cdf0e10cSrcweir nNextCh = GetNextChar();
118cdf0e10cSrcweir } while( RTF_ISALPHA( nNextCh ) );
119cdf0e10cSrcweir if( nStrLen )
120cdf0e10cSrcweir {
121cdf0e10cSrcweir aStrBuffer.ReleaseBufferAccess( nStrLen );
122cdf0e10cSrcweir aToken += aStrBuffer;
123cdf0e10cSrcweir }
124cdf0e10cSrcweir }
125cdf0e10cSrcweir
126cdf0e10cSrcweir // Minus fuer numerischen Parameter
127cdf0e10cSrcweir int bNegValue = false;
128cdf0e10cSrcweir if( '-' == nNextCh )
129cdf0e10cSrcweir {
130cdf0e10cSrcweir bNegValue = true;
131cdf0e10cSrcweir nNextCh = GetNextChar();
132cdf0e10cSrcweir }
133cdf0e10cSrcweir
134cdf0e10cSrcweir // evt. Numerischer Parameter
135cdf0e10cSrcweir if( RTF_ISDIGIT( nNextCh ) )
136cdf0e10cSrcweir {
137cdf0e10cSrcweir nTokenValue = 0;
138cdf0e10cSrcweir do {
139cdf0e10cSrcweir nTokenValue *= 10;
140cdf0e10cSrcweir nTokenValue += nNextCh - '0';
141cdf0e10cSrcweir nNextCh = GetNextChar();
142cdf0e10cSrcweir } while( RTF_ISDIGIT( nNextCh ) );
143cdf0e10cSrcweir if( bNegValue )
144cdf0e10cSrcweir nTokenValue = -nTokenValue;
145cdf0e10cSrcweir bTokenHasValue=true;
146cdf0e10cSrcweir }
147*facfa769Smseidel else if( bNegValue ) // das Minus wieder zurueck
148cdf0e10cSrcweir {
149cdf0e10cSrcweir nNextCh = '-';
150cdf0e10cSrcweir rInput.SeekRel( -1 );
151cdf0e10cSrcweir }
152*facfa769Smseidel if( ' ' == nNextCh ) // Blank gehoert zum Token!
153cdf0e10cSrcweir nNextCh = GetNextChar();
154cdf0e10cSrcweir
155cdf0e10cSrcweir // suche das Token in der Tabelle:
156cdf0e10cSrcweir if( 0 == (nRet = GetRTFToken( aToken )) )
157cdf0e10cSrcweir // Unknown Control
158cdf0e10cSrcweir nRet = RTF_UNKNOWNCONTROL;
159cdf0e10cSrcweir
160cdf0e10cSrcweir // bug 76812 - unicode token handled as normal text
161cdf0e10cSrcweir bNextCh = false;
162cdf0e10cSrcweir switch( nRet )
163cdf0e10cSrcweir {
164cdf0e10cSrcweir case RTF_UC:
165cdf0e10cSrcweir if( 0 <= nTokenValue )
166cdf0e10cSrcweir {
167cdf0e10cSrcweir nUCharOverread = (sal_uInt8)nTokenValue;
168cdf0e10cSrcweir #if 1
169*facfa769Smseidel // cmc: other ifdef breaks #i3584
170cdf0e10cSrcweir aParserStates.top().
171cdf0e10cSrcweir nUCharOverread = nUCharOverread;
172cdf0e10cSrcweir #else
173cdf0e10cSrcweir if( !nUCharOverread )
174cdf0e10cSrcweir nUCharOverread = aParserStates.top().nUCharOverread;
175cdf0e10cSrcweir else
176cdf0e10cSrcweir aParserStates.top().
177cdf0e10cSrcweir nUCharOverread = nUCharOverread;
178cdf0e10cSrcweir #endif
179cdf0e10cSrcweir }
180d92770c0Smseidel aToken.Erase(); // #i47831# erase token to prevent the token from being treated as text
181cdf0e10cSrcweir // read next token
182cdf0e10cSrcweir nRet = 0;
183cdf0e10cSrcweir break;
184cdf0e10cSrcweir
185cdf0e10cSrcweir case RTF_UPR:
186cdf0e10cSrcweir if (!_inSkipGroup) {
187cdf0e10cSrcweir // UPR - overread the group with the ansi
188*facfa769Smseidel // information
189cdf0e10cSrcweir while( '{' != _GetNextToken() )
190cdf0e10cSrcweir ;
191cdf0e10cSrcweir SkipGroup();
192*facfa769Smseidel _GetNextToken(); // overread the last bracket
193cdf0e10cSrcweir nRet = 0;
194cdf0e10cSrcweir }
195cdf0e10cSrcweir break;
196cdf0e10cSrcweir
197cdf0e10cSrcweir case RTF_U:
198cdf0e10cSrcweir if( !bRTF_InTextRead )
199cdf0e10cSrcweir {
200cdf0e10cSrcweir nRet = RTF_TEXTTOKEN;
201cdf0e10cSrcweir aToken = (sal_Unicode)nTokenValue;
202cdf0e10cSrcweir
203cdf0e10cSrcweir // overread the next n "RTF" characters. This
204cdf0e10cSrcweir // can be also \{, \}, \'88
205cdf0e10cSrcweir for( sal_uInt8 m = 0; m < nUCharOverread; ++m )
206cdf0e10cSrcweir {
207cdf0e10cSrcweir sal_Unicode cAnsi = nNextCh;
208cdf0e10cSrcweir while( 0xD == cAnsi )
209cdf0e10cSrcweir cAnsi = GetNextChar();
210cdf0e10cSrcweir while( 0xA == cAnsi )
211cdf0e10cSrcweir cAnsi = GetNextChar();
212cdf0e10cSrcweir
213cdf0e10cSrcweir if( '\\' == cAnsi &&
214cdf0e10cSrcweir '\'' == ( cAnsi = GetNextChar() ))
215cdf0e10cSrcweir // HexValue ueberlesen
216cdf0e10cSrcweir cAnsi = GetHexValue();
217cdf0e10cSrcweir nNextCh = GetNextChar();
218cdf0e10cSrcweir }
219cdf0e10cSrcweir ScanText();
220cdf0e10cSrcweir bNextCh = 0 == nNextCh;
221cdf0e10cSrcweir }
222cdf0e10cSrcweir break;
223cdf0e10cSrcweir }
224cdf0e10cSrcweir }
225cdf0e10cSrcweir else if( SVPAR_PENDING != eState )
226cdf0e10cSrcweir {
227cdf0e10cSrcweir // Bug 34631 - "\ " ueberlesen - Blank als Zeichen
228cdf0e10cSrcweir // eState = SVPAR_ERROR;
229cdf0e10cSrcweir bNextCh = false;
230cdf0e10cSrcweir }
231cdf0e10cSrcweir break;
232cdf0e10cSrcweir }
233cdf0e10cSrcweir }
234cdf0e10cSrcweir break;
235cdf0e10cSrcweir
236cdf0e10cSrcweir case sal_Unicode(EOF):
237cdf0e10cSrcweir eState = SVPAR_ACCEPTED;
238cdf0e10cSrcweir nRet = nNextCh;
239cdf0e10cSrcweir break;
240cdf0e10cSrcweir
241cdf0e10cSrcweir case '{':
242cdf0e10cSrcweir {
243cdf0e10cSrcweir if( 0 <= nOpenBrakets )
244cdf0e10cSrcweir {
245cdf0e10cSrcweir RtfParserState_Impl aState( nUCharOverread, GetSrcEncoding() );
246*facfa769Smseidel aParserStates.push( aState );
247cdf0e10cSrcweir }
248cdf0e10cSrcweir ++nOpenBrakets;
249*facfa769Smseidel DBG_ASSERT(
250*facfa769Smseidel static_cast<size_t>(nOpenBrakets) == aParserStates.size(),
251*facfa769Smseidel "ParserStateStack unequal to bracket count" );
252cdf0e10cSrcweir nRet = nNextCh;
253cdf0e10cSrcweir }
254cdf0e10cSrcweir break;
255cdf0e10cSrcweir
256cdf0e10cSrcweir case '}':
257cdf0e10cSrcweir --nOpenBrakets;
258cdf0e10cSrcweir if( 0 <= nOpenBrakets )
259cdf0e10cSrcweir {
260*facfa769Smseidel aParserStates.pop();
261cdf0e10cSrcweir if( !aParserStates.empty() )
262cdf0e10cSrcweir {
263cdf0e10cSrcweir const RtfParserState_Impl& rRPS =
264cdf0e10cSrcweir aParserStates.top();
265cdf0e10cSrcweir nUCharOverread = rRPS.nUCharOverread;
266cdf0e10cSrcweir SetSrcEncoding( rRPS.eCodeSet );
267cdf0e10cSrcweir }
268cdf0e10cSrcweir else
269cdf0e10cSrcweir {
270cdf0e10cSrcweir nUCharOverread = 1;
271cdf0e10cSrcweir SetSrcEncoding( GetCodeSet() );
272cdf0e10cSrcweir }
273cdf0e10cSrcweir }
274*facfa769Smseidel DBG_ASSERT(
275*facfa769Smseidel static_cast<size_t>(nOpenBrakets) == aParserStates.size(),
276*facfa769Smseidel "ParserStateStack unequal to bracket count" );
277cdf0e10cSrcweir nRet = nNextCh;
278cdf0e10cSrcweir break;
279cdf0e10cSrcweir
280cdf0e10cSrcweir case 0x0d:
281cdf0e10cSrcweir case 0x0a:
282cdf0e10cSrcweir break;
283cdf0e10cSrcweir
284cdf0e10cSrcweir default:
285cdf0e10cSrcweir // es folgt normaler Text
286cdf0e10cSrcweir ScanText();
287cdf0e10cSrcweir nRet = RTF_TEXTTOKEN;
288cdf0e10cSrcweir bNextCh = 0 == nNextCh;
289cdf0e10cSrcweir break;
290cdf0e10cSrcweir }
291cdf0e10cSrcweir
292cdf0e10cSrcweir if( bNextCh )
293cdf0e10cSrcweir nNextCh = GetNextChar();
294cdf0e10cSrcweir
295cdf0e10cSrcweir } while( !nRet && SVPAR_WORKING == eState );
296cdf0e10cSrcweir return nRet;
297cdf0e10cSrcweir }
298cdf0e10cSrcweir
299cdf0e10cSrcweir
GetHexValue()300cdf0e10cSrcweir sal_Unicode SvRTFParser::GetHexValue()
301cdf0e10cSrcweir {
302cdf0e10cSrcweir // Hex-Wert sammeln
303cdf0e10cSrcweir register int n;
304cdf0e10cSrcweir register sal_Unicode nHexVal = 0;
305cdf0e10cSrcweir
306cdf0e10cSrcweir for( n = 0; n < 2; ++n )
307cdf0e10cSrcweir {
308cdf0e10cSrcweir nHexVal *= 16;
309cdf0e10cSrcweir nNextCh = GetNextChar();
310cdf0e10cSrcweir if( nNextCh >= '0' && nNextCh <= '9' )
311cdf0e10cSrcweir nHexVal += (nNextCh - 48);
312cdf0e10cSrcweir else if( nNextCh >= 'a' && nNextCh <= 'f' )
313cdf0e10cSrcweir nHexVal += (nNextCh - 87);
314cdf0e10cSrcweir else if( nNextCh >= 'A' && nNextCh <= 'F' )
315cdf0e10cSrcweir nHexVal += (nNextCh - 55);
316cdf0e10cSrcweir }
317cdf0e10cSrcweir return nHexVal;
318cdf0e10cSrcweir }
319cdf0e10cSrcweir
ScanText(const sal_Unicode cBreak)320cdf0e10cSrcweir void SvRTFParser::ScanText( const sal_Unicode cBreak )
321cdf0e10cSrcweir {
322cdf0e10cSrcweir String aStrBuffer;
323cdf0e10cSrcweir int bWeiter = true;
324cdf0e10cSrcweir while( bWeiter && IsParserWorking() && aStrBuffer.Len() < MAX_STRING_LEN)
325cdf0e10cSrcweir {
326cdf0e10cSrcweir int bNextCh = true;
327cdf0e10cSrcweir switch( nNextCh )
328cdf0e10cSrcweir {
329cdf0e10cSrcweir case '\\':
330cdf0e10cSrcweir {
331cdf0e10cSrcweir switch (nNextCh = GetNextChar())
332cdf0e10cSrcweir {
333cdf0e10cSrcweir case '\'':
334cdf0e10cSrcweir {
335cdf0e10cSrcweir
336cdf0e10cSrcweir #if 0
337*facfa769Smseidel // #i35653 patch from cmc
338*facfa769Smseidel ByteString aByteString(static_cast<char>(GetHexValue()));
339*facfa769Smseidel if (aByteString.Len())
340*facfa769Smseidel aStrBuffer.Append(String(aByteString, GetSrcEncoding()));
341cdf0e10cSrcweir #else
342*facfa769Smseidel ByteString aByteString;
343*facfa769Smseidel while (1)
344*facfa769Smseidel {
345*facfa769Smseidel aByteString.Append((char)GetHexValue());
346*facfa769Smseidel
347*facfa769Smseidel bool bBreak = false;
348*facfa769Smseidel sal_Char nSlash = '\\';
349*facfa769Smseidel while (!bBreak)
350*facfa769Smseidel {
351cdf0e10cSrcweir wchar_t __next=GetNextChar();
352cdf0e10cSrcweir if (__next>0xFF) // fix for #i43933# and #i35653#
353cdf0e10cSrcweir {
354cdf0e10cSrcweir if (aByteString.Len())
355cdf0e10cSrcweir aStrBuffer.Append(String(aByteString, GetSrcEncoding()));
356cdf0e10cSrcweir aStrBuffer.Append((sal_Unicode)__next);
357cdf0e10cSrcweir
358cdf0e10cSrcweir aByteString.Erase();
359cdf0e10cSrcweir continue;
360cdf0e10cSrcweir }
361*facfa769Smseidel nSlash = (sal_Char)__next;
362*facfa769Smseidel while (nSlash == 0xD || nSlash == 0xA)
363*facfa769Smseidel nSlash = (sal_Char)GetNextChar();
364*facfa769Smseidel
365*facfa769Smseidel switch (nSlash)
366*facfa769Smseidel {
367*facfa769Smseidel case '{':
368*facfa769Smseidel case '}':
369*facfa769Smseidel case '\\':
370*facfa769Smseidel bBreak = true;
371*facfa769Smseidel break;
372*facfa769Smseidel default:
373*facfa769Smseidel aByteString.Append(nSlash);
374*facfa769Smseidel break;
375*facfa769Smseidel }
376*facfa769Smseidel }
377*facfa769Smseidel
378*facfa769Smseidel nNextCh = GetNextChar();
379*facfa769Smseidel
380*facfa769Smseidel if (nSlash != '\\' || nNextCh != '\'')
381*facfa769Smseidel {
382*facfa769Smseidel rInput.SeekRel(-1);
383*facfa769Smseidel nNextCh = nSlash;
384*facfa769Smseidel break;
385*facfa769Smseidel }
386*facfa769Smseidel }
387*facfa769Smseidel
388*facfa769Smseidel bNextCh = false;
389*facfa769Smseidel
390*facfa769Smseidel if (aByteString.Len())
391*facfa769Smseidel aStrBuffer.Append(String(aByteString, GetSrcEncoding()));
392cdf0e10cSrcweir #endif
393*facfa769Smseidel }
394cdf0e10cSrcweir break;
395cdf0e10cSrcweir case '\\':
396cdf0e10cSrcweir case '}':
397cdf0e10cSrcweir case '{':
398cdf0e10cSrcweir case '+': // habe ich in einem RTF-File gefunden
399cdf0e10cSrcweir aStrBuffer.Append(nNextCh);
400cdf0e10cSrcweir break;
401cdf0e10cSrcweir case '~': // nonbreaking space
402cdf0e10cSrcweir aStrBuffer.Append(static_cast< sal_Unicode >(0xA0));
403cdf0e10cSrcweir break;
404cdf0e10cSrcweir case '-': // optional hyphen
405cdf0e10cSrcweir aStrBuffer.Append(static_cast< sal_Unicode >(0xAD));
406cdf0e10cSrcweir break;
407cdf0e10cSrcweir case '_': // nonbreaking hyphen
408cdf0e10cSrcweir aStrBuffer.Append(static_cast< sal_Unicode >(0x2011));
409cdf0e10cSrcweir break;
410cdf0e10cSrcweir
411cdf0e10cSrcweir case 'u':
412cdf0e10cSrcweir // UNI-Code Zeichen lesen
413cdf0e10cSrcweir {
414cdf0e10cSrcweir nNextCh = GetNextChar();
415cdf0e10cSrcweir rInput.SeekRel( -2 );
416cdf0e10cSrcweir
417cdf0e10cSrcweir if( '-' == nNextCh || RTF_ISDIGIT( nNextCh ) )
418cdf0e10cSrcweir {
419cdf0e10cSrcweir bRTF_InTextRead = true;
420cdf0e10cSrcweir
421cdf0e10cSrcweir String sSave( aToken );
422cdf0e10cSrcweir nNextCh = '\\';
423*facfa769Smseidel #ifdef DBG_UTIL
424cdf0e10cSrcweir int nToken =
425*facfa769Smseidel #endif
426*facfa769Smseidel _GetNextToken();
427cdf0e10cSrcweir DBG_ASSERT( RTF_U == nToken, "doch kein UNI-Code Zeichen" );
428cdf0e10cSrcweir // dont convert symbol chars
429cdf0e10cSrcweir aStrBuffer.Append(
430*facfa769Smseidel static_cast< sal_Unicode >(nTokenValue));
431cdf0e10cSrcweir
432cdf0e10cSrcweir // overread the next n "RTF" characters. This
433cdf0e10cSrcweir // can be also \{, \}, \'88
434cdf0e10cSrcweir for( sal_uInt8 m = 0; m < nUCharOverread; ++m )
435cdf0e10cSrcweir {
436cdf0e10cSrcweir sal_Unicode cAnsi = nNextCh;
437cdf0e10cSrcweir while( 0xD == cAnsi )
438cdf0e10cSrcweir cAnsi = GetNextChar();
439cdf0e10cSrcweir while( 0xA == cAnsi )
440cdf0e10cSrcweir cAnsi = GetNextChar();
441cdf0e10cSrcweir
442cdf0e10cSrcweir if( '\\' == cAnsi &&
443cdf0e10cSrcweir '\'' == ( cAnsi = GetNextChar() ))
444cdf0e10cSrcweir // HexValue ueberlesen
445cdf0e10cSrcweir cAnsi = GetHexValue();
446cdf0e10cSrcweir nNextCh = GetNextChar();
447cdf0e10cSrcweir }
448cdf0e10cSrcweir bNextCh = false;
449cdf0e10cSrcweir aToken = sSave;
450cdf0e10cSrcweir bRTF_InTextRead = false;
451cdf0e10cSrcweir }
452cdf0e10cSrcweir else
453cdf0e10cSrcweir {
454cdf0e10cSrcweir nNextCh = '\\';
455*facfa769Smseidel bWeiter = false; // Abbrechen, String zusammen
456cdf0e10cSrcweir }
457cdf0e10cSrcweir }
458cdf0e10cSrcweir break;
459cdf0e10cSrcweir
460cdf0e10cSrcweir default:
461cdf0e10cSrcweir rInput.SeekRel( -1 );
462cdf0e10cSrcweir nNextCh = '\\';
463*facfa769Smseidel bWeiter = false; // Abbrechen, String zusammen
464cdf0e10cSrcweir break;
465cdf0e10cSrcweir }
466cdf0e10cSrcweir }
467cdf0e10cSrcweir break;
468cdf0e10cSrcweir
469cdf0e10cSrcweir case sal_Unicode(EOF):
470cdf0e10cSrcweir eState = SVPAR_ERROR;
471cdf0e10cSrcweir // weiter
472cdf0e10cSrcweir case '{':
473cdf0e10cSrcweir case '}':
474cdf0e10cSrcweir bWeiter = false;
475cdf0e10cSrcweir break;
476cdf0e10cSrcweir
477cdf0e10cSrcweir case 0x0a:
478cdf0e10cSrcweir case 0x0d:
479cdf0e10cSrcweir break;
480cdf0e10cSrcweir
481cdf0e10cSrcweir default:
482cdf0e10cSrcweir if( nNextCh == cBreak || aStrBuffer.Len() >= MAX_STRING_LEN)
483cdf0e10cSrcweir bWeiter = false;
484cdf0e10cSrcweir else
485cdf0e10cSrcweir {
486cdf0e10cSrcweir do {
487cdf0e10cSrcweir // alle anderen Zeichen kommen in den Text
488cdf0e10cSrcweir aStrBuffer.Append(nNextCh);
489cdf0e10cSrcweir
490cdf0e10cSrcweir if (sal_Unicode(EOF) == (nNextCh = GetNextChar()))
491cdf0e10cSrcweir {
492*facfa769Smseidel if (aStrBuffer.Len())
493*facfa769Smseidel aToken += aStrBuffer;
494cdf0e10cSrcweir return;
495cdf0e10cSrcweir }
496cdf0e10cSrcweir } while
497*facfa769Smseidel (
498*facfa769Smseidel (RTF_ISALPHA(nNextCh) || RTF_ISDIGIT(nNextCh)) &&
499*facfa769Smseidel (aStrBuffer.Len() < MAX_STRING_LEN)
500*facfa769Smseidel );
501cdf0e10cSrcweir bNextCh = false;
502cdf0e10cSrcweir }
503cdf0e10cSrcweir }
504cdf0e10cSrcweir
505cdf0e10cSrcweir if( bWeiter && bNextCh )
506cdf0e10cSrcweir nNextCh = GetNextChar();
507cdf0e10cSrcweir }
508cdf0e10cSrcweir
509cdf0e10cSrcweir if (aStrBuffer.Len())
510cdf0e10cSrcweir aToken += aStrBuffer;
511cdf0e10cSrcweir }
512cdf0e10cSrcweir
513cdf0e10cSrcweir
514cdf0e10cSrcweir short SvRTFParser::_inSkipGroup=0;
515cdf0e10cSrcweir
SkipGroup()516cdf0e10cSrcweir void SvRTFParser::SkipGroup()
517cdf0e10cSrcweir {
518cdf0e10cSrcweir short nBrackets=1;
519*facfa769Smseidel if (_inSkipGroup>0)
520cdf0e10cSrcweir return;
521cdf0e10cSrcweir _inSkipGroup++;
522*facfa769Smseidel #if 1 // #i16185# fecking \bin keyword
523*facfa769Smseidel do
524*facfa769Smseidel {
525*facfa769Smseidel switch (nNextCh)
526*facfa769Smseidel {
527*facfa769Smseidel case '{':
528*facfa769Smseidel ++nBrackets;
529*facfa769Smseidel break;
530*facfa769Smseidel case '}':
531cdf0e10cSrcweir if (!--nBrackets) {
532cdf0e10cSrcweir _inSkipGroup--;
533*facfa769Smseidel return;
534cdf0e10cSrcweir }
535*facfa769Smseidel break;
536*facfa769Smseidel }
537*facfa769Smseidel int nToken = _GetNextToken();
538*facfa769Smseidel if (nToken == RTF_BIN)
539*facfa769Smseidel {
540*facfa769Smseidel rInput.SeekRel(-1);
541*facfa769Smseidel rInput.SeekRel(nTokenValue);
542*facfa769Smseidel nNextCh = GetNextChar();
543*facfa769Smseidel }
544cdf0e10cSrcweir while (nNextCh==0xa || nNextCh==0xd)
545cdf0e10cSrcweir {
546cdf0e10cSrcweir nNextCh = GetNextChar();
547cdf0e10cSrcweir }
548*facfa769Smseidel } while (sal_Unicode(EOF) != nNextCh && IsParserWorking());
549cdf0e10cSrcweir #else
550cdf0e10cSrcweir sal_Unicode cPrev = 0;
551cdf0e10cSrcweir do {
552cdf0e10cSrcweir switch( nNextCh )
553cdf0e10cSrcweir {
554cdf0e10cSrcweir case '{':
555cdf0e10cSrcweir if( '\\' != cPrev )
556cdf0e10cSrcweir ++nBrackets;
557cdf0e10cSrcweir break;
558cdf0e10cSrcweir
559cdf0e10cSrcweir case '}':
560cdf0e10cSrcweir if( '\\' != cPrev && !--nBrackets )
561cdf0e10cSrcweir return;
562cdf0e10cSrcweir break;
563cdf0e10cSrcweir
564cdf0e10cSrcweir case '\\':
565cdf0e10cSrcweir if( '\\' == cPrev )
566cdf0e10cSrcweir nNextCh = 0;
567cdf0e10cSrcweir break;
568cdf0e10cSrcweir }
569cdf0e10cSrcweir cPrev = nNextCh;
570cdf0e10cSrcweir nNextCh = GetNextChar();
571cdf0e10cSrcweir } while( sal_Unicode(EOF) != nNextCh && IsParserWorking() );
572cdf0e10cSrcweir #endif
573cdf0e10cSrcweir
574cdf0e10cSrcweir if( SVPAR_PENDING != eState && '}' != nNextCh )
575cdf0e10cSrcweir eState = SVPAR_ERROR;
576cdf0e10cSrcweir _inSkipGroup--;
577cdf0e10cSrcweir }
578cdf0e10cSrcweir
ReadUnknownData()579cdf0e10cSrcweir void SvRTFParser::ReadUnknownData() { SkipGroup(); }
ReadBitmapData()580cdf0e10cSrcweir void SvRTFParser::ReadBitmapData() { SkipGroup(); }
ReadOLEData()581cdf0e10cSrcweir void SvRTFParser::ReadOLEData() { SkipGroup(); }
582cdf0e10cSrcweir
583cdf0e10cSrcweir
CallParser()584cdf0e10cSrcweir SvParserState SvRTFParser::CallParser()
585cdf0e10cSrcweir {
586cdf0e10cSrcweir sal_Char cFirstCh;
587*facfa769Smseidel nNextChPos = rInput.Tell();
588cdf0e10cSrcweir rInput >> cFirstCh; nNextCh = cFirstCh;
589cdf0e10cSrcweir eState = SVPAR_WORKING;
590cdf0e10cSrcweir nOpenBrakets = 0;
591cdf0e10cSrcweir SetSrcEncoding( eCodeSet = RTL_TEXTENCODING_MS_1252 );
592cdf0e10cSrcweir eUNICodeSet = RTL_TEXTENCODING_MS_1252; // default ist ANSI-CodeSet
593cdf0e10cSrcweir
594cdf0e10cSrcweir // die 1. beiden Token muessen '{' und \\rtf sein !!
595cdf0e10cSrcweir if( '{' == GetNextToken() && RTF_RTF == GetNextToken() )
596cdf0e10cSrcweir {
597cdf0e10cSrcweir AddRef();
598cdf0e10cSrcweir Continue( 0 );
599cdf0e10cSrcweir if( SVPAR_PENDING != eState )
600cdf0e10cSrcweir ReleaseRef(); // dann brauchen wir den Parser nicht mehr!
601cdf0e10cSrcweir }
602cdf0e10cSrcweir else
603cdf0e10cSrcweir eState = SVPAR_ERROR;
604cdf0e10cSrcweir
605cdf0e10cSrcweir return eState;
606cdf0e10cSrcweir }
607cdf0e10cSrcweir
Continue(int nToken)608cdf0e10cSrcweir void SvRTFParser::Continue( int nToken )
609cdf0e10cSrcweir {
610cdf0e10cSrcweir // DBG_ASSERT( SVPAR_CS_DONTKNOW == GetCharSet(),
611cdf0e10cSrcweir // "Zeichensatz wurde geaendert." );
612cdf0e10cSrcweir
613cdf0e10cSrcweir if( !nToken )
614cdf0e10cSrcweir nToken = GetNextToken();
615cdf0e10cSrcweir
616cdf0e10cSrcweir while( IsParserWorking() )
617cdf0e10cSrcweir {
618cdf0e10cSrcweir SaveState( nToken );
619cdf0e10cSrcweir switch( nToken )
620cdf0e10cSrcweir {
621cdf0e10cSrcweir case '}':
622cdf0e10cSrcweir if( nOpenBrakets )
623cdf0e10cSrcweir goto NEXTTOKEN;
624cdf0e10cSrcweir eState = SVPAR_ACCEPTED;
625cdf0e10cSrcweir break;
626cdf0e10cSrcweir
627cdf0e10cSrcweir case '{':
628cdf0e10cSrcweir // eine unbekannte Gruppe ?
629cdf0e10cSrcweir {
630cdf0e10cSrcweir if( RTF_IGNOREFLAG != GetNextToken() )
631cdf0e10cSrcweir nToken = SkipToken( -1 );
632cdf0e10cSrcweir else if( RTF_UNKNOWNCONTROL != GetNextToken() )
633cdf0e10cSrcweir nToken = SkipToken( -2 );
634cdf0e10cSrcweir else
635cdf0e10cSrcweir {
636cdf0e10cSrcweir // gleich herausfiltern
637cdf0e10cSrcweir ReadUnknownData();
638cdf0e10cSrcweir nToken = GetNextToken();
639cdf0e10cSrcweir if( '}' != nToken )
640cdf0e10cSrcweir eState = SVPAR_ERROR;
641cdf0e10cSrcweir break; // auf zum naechsten Token!!
642cdf0e10cSrcweir }
643cdf0e10cSrcweir }
644cdf0e10cSrcweir goto NEXTTOKEN;
645cdf0e10cSrcweir
646cdf0e10cSrcweir case RTF_UNKNOWNCONTROL:
647cdf0e10cSrcweir break; // unbekannte Token ueberspringen
648cdf0e10cSrcweir case RTF_NEXTTYPE:
649*facfa769Smseidel case RTF_ANSITYPE:
650*facfa769Smseidel SetEncoding( eCodeSet = RTL_TEXTENCODING_MS_1252 );
651*facfa769Smseidel break;
652*facfa769Smseidel case RTF_MACTYPE:
653*facfa769Smseidel SetEncoding( eCodeSet = RTL_TEXTENCODING_APPLE_ROMAN );
654*facfa769Smseidel break;
655*facfa769Smseidel case RTF_PCTYPE:
656*facfa769Smseidel SetEncoding( eCodeSet = RTL_TEXTENCODING_IBM_437 );
657*facfa769Smseidel break;
658*facfa769Smseidel case RTF_PCATYPE:
659*facfa769Smseidel SetEncoding( eCodeSet = RTL_TEXTENCODING_IBM_850 );
660*facfa769Smseidel break;
661cdf0e10cSrcweir case RTF_ANSICPG:
662*facfa769Smseidel eCodeSet = rtl_getTextEncodingFromWindowsCodePage(nTokenValue);
663*facfa769Smseidel SetEncoding(eCodeSet);
664cdf0e10cSrcweir break;
665cdf0e10cSrcweir default:
666cdf0e10cSrcweir NEXTTOKEN:
667cdf0e10cSrcweir NextToken( nToken );
668cdf0e10cSrcweir break;
669cdf0e10cSrcweir }
670cdf0e10cSrcweir if( IsParserWorking() )
671cdf0e10cSrcweir SaveState( 0 ); // bis hierhin abgearbeitet,
672cdf0e10cSrcweir // weiter mit neuem Token!
673cdf0e10cSrcweir nToken = GetNextToken();
674cdf0e10cSrcweir }
675cdf0e10cSrcweir if( SVPAR_ACCEPTED == eState && 0 < nOpenBrakets )
676cdf0e10cSrcweir eState = SVPAR_ERROR;
677cdf0e10cSrcweir }
678cdf0e10cSrcweir
SetEncoding(rtl_TextEncoding eEnc)679cdf0e10cSrcweir void SvRTFParser::SetEncoding( rtl_TextEncoding eEnc )
680cdf0e10cSrcweir {
681cdf0e10cSrcweir if (eEnc == RTL_TEXTENCODING_DONTKNOW)
682cdf0e10cSrcweir eEnc = GetCodeSet();
683cdf0e10cSrcweir
684cdf0e10cSrcweir if (!aParserStates.empty())
685cdf0e10cSrcweir aParserStates.top().eCodeSet = eEnc;
686cdf0e10cSrcweir SetSrcEncoding(eEnc);
687cdf0e10cSrcweir }
688cdf0e10cSrcweir
689cdf0e10cSrcweir #ifdef USED
SaveState(int nToken)690cdf0e10cSrcweir void SvRTFParser::SaveState( int nToken )
691cdf0e10cSrcweir {
692cdf0e10cSrcweir SvParser::SaveState( nToken );
693cdf0e10cSrcweir }
694cdf0e10cSrcweir
RestoreState()695cdf0e10cSrcweir void SvRTFParser::RestoreState()
696cdf0e10cSrcweir {
697cdf0e10cSrcweir SvParser::RestoreState();
698cdf0e10cSrcweir }
699cdf0e10cSrcweir #endif
700cdf0e10cSrcweir
701*facfa769Smseidel /* vim: set noet sw=4 ts=4: */
702