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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "oox/helper/attributelist.hxx"
21 :
22 : #include <cassert>
23 : #include <osl/diagnose.h>
24 : #include <rtl/ustrbuf.hxx>
25 : #include <sax/fastattribs.hxx>
26 : #include "oox/token/tokenmap.hxx"
27 :
28 : namespace oox {
29 :
30 : using namespace ::com::sun::star;
31 : using namespace ::com::sun::star::uno;
32 : using namespace ::com::sun::star::xml::sax;
33 :
34 : namespace {
35 :
36 : const sal_Int32 XSTRING_ENCCHAR_LEN = 7;
37 :
38 11442 : bool lclAddHexDigit( sal_Unicode& orcChar, sal_Unicode cDigit, int nBitShift )
39 : {
40 11442 : if( ('0' <= cDigit) && (cDigit <= '9') ) { orcChar |= ((cDigit - '0') << nBitShift); return true; }
41 2 : if( ('a' <= cDigit) && (cDigit <= 'f') ) { orcChar |= ((cDigit - 'a' + 10) << nBitShift); return true; }
42 2 : if( ('A' <= cDigit) && (cDigit <= 'F') ) { orcChar |= ((cDigit - 'A' + 10) << nBitShift); return true; }
43 2 : return false;
44 : }
45 :
46 52816 : sal_Unicode lclGetXChar( const sal_Unicode*& rpcStr, const sal_Unicode* pcEnd )
47 : {
48 52816 : sal_Unicode cChar = 0;
49 130004 : if( (pcEnd - rpcStr >= XSTRING_ENCCHAR_LEN) &&
50 27256 : (rpcStr[ 0 ] == '_') &&
51 5748 : (rpcStr[ 1 ] == 'x') &&
52 5726 : (rpcStr[ 6 ] == '_') &&
53 5722 : lclAddHexDigit( cChar, rpcStr[ 2 ], 12 ) &&
54 5720 : lclAddHexDigit( cChar, rpcStr[ 3 ], 8 ) &&
55 58536 : lclAddHexDigit( cChar, rpcStr[ 4 ], 4 ) &&
56 2860 : lclAddHexDigit( cChar, rpcStr[ 5 ], 0 ) )
57 : {
58 2860 : rpcStr += XSTRING_ENCCHAR_LEN;
59 2860 : return cChar;
60 : }
61 49956 : return *rpcStr++;
62 : }
63 :
64 : } // namespace
65 :
66 57338 : sal_Int32 AttributeConversion::decodeToken( const OUString& rValue )
67 : {
68 57338 : return StaticTokenMap::get().getTokenFromUnicode( rValue );
69 : }
70 :
71 6624 : OUString AttributeConversion::decodeXString( const OUString& rValue )
72 : {
73 : // string shorter than one encoded character - no need to decode
74 6624 : if( rValue.getLength() < XSTRING_ENCCHAR_LEN )
75 1132 : return rValue;
76 5492 : OUStringBuffer aBuffer;
77 5492 : const sal_Unicode* pcStr = rValue.getStr();
78 5492 : const sal_Unicode* pcEnd = pcStr + rValue.getLength();
79 63800 : while( pcStr < pcEnd )
80 52816 : aBuffer.append( lclGetXChar( pcStr, pcEnd ) );
81 5492 : return aBuffer.makeStringAndClear();
82 : }
83 :
84 0 : sal_Int32 AttributeConversion::decodeInteger( const OUString& rValue )
85 : {
86 0 : return rValue.toInt32();
87 : }
88 :
89 174 : sal_uInt32 AttributeConversion::decodeUnsigned( const OUString& rValue )
90 : {
91 174 : return getLimitedValue< sal_uInt32, sal_Int64 >( rValue.toInt64(), 0, SAL_MAX_UINT32 );
92 : }
93 :
94 0 : sal_Int64 AttributeConversion::decodeHyper( const OUString& rValue )
95 : {
96 0 : return rValue.toInt64();
97 : }
98 :
99 45278 : sal_Int32 AttributeConversion::decodeIntegerHex( const OUString& rValue )
100 : {
101 : // It looks like all Office Open XML attributes containing hexadecimal
102 : // values are based on xsd:hexBinary and so use an unsigned representation:
103 45278 : return static_cast< sal_Int32 >(rValue.toUInt32( 16 ));
104 : //TODO: Change this function to return sal_uInt32 and get rid of the
105 : // cast, but that will have a ripple effect
106 : }
107 :
108 1610933 : AttributeList::AttributeList( const Reference< XFastAttributeList >& rxAttribs ) :
109 : mxAttribs( rxAttribs ),
110 1610933 : mpAttribList( NULL )
111 : {
112 : OSL_ENSURE( mxAttribs.is(), "AttributeList::AttributeList - missing attribute list interface" );
113 1610933 : }
114 :
115 564674 : sax_fastparser::FastAttributeList *AttributeList::getAttribList() const
116 : {
117 564674 : if( mpAttribList == NULL )
118 : {
119 : assert( dynamic_cast< sax_fastparser::FastAttributeList *>( mxAttribs.get() ) != NULL );
120 271134 : mpAttribList = static_cast< sax_fastparser::FastAttributeList *>( mxAttribs.get() );
121 : }
122 564674 : return mpAttribList;
123 : }
124 :
125 339982 : bool AttributeList::hasAttribute( sal_Int32 nAttrToken ) const
126 : {
127 339982 : return mxAttribs->hasAttribute( nAttrToken );
128 : }
129 :
130 : // optional return values -----------------------------------------------------
131 :
132 58658 : OptValue< sal_Int32 > AttributeList::getToken( sal_Int32 nAttrToken ) const
133 : {
134 58658 : sal_Int32 nToken = mxAttribs->getOptionalValueToken( nAttrToken, XML_TOKEN_INVALID );
135 58658 : return OptValue< sal_Int32 >( nToken != XML_TOKEN_INVALID, nToken );
136 : }
137 :
138 245720 : OptValue< OUString > AttributeList::getString( sal_Int32 nAttrToken ) const
139 : {
140 : // check if the attribute exists (empty string may be different to missing attribute)
141 245720 : if( mxAttribs->hasAttribute( nAttrToken ) )
142 199930 : return OptValue< OUString >( mxAttribs->getOptionalValue( nAttrToken ) );
143 45790 : return OptValue< OUString >();
144 : }
145 :
146 6878 : OptValue< OUString > AttributeList::getXString( sal_Int32 nAttrToken ) const
147 : {
148 : // check if the attribute exists (empty string may be different to missing attribute)
149 6878 : if( mxAttribs->hasAttribute( nAttrToken ) )
150 5260 : return OptValue< OUString >( AttributeConversion::decodeXString( mxAttribs->getOptionalValue( nAttrToken ) ) );
151 1618 : return OptValue< OUString >();
152 : }
153 :
154 34880 : OptValue< double > AttributeList::getDouble( sal_Int32 nAttrToken ) const
155 : {
156 : double nValue;
157 34880 : bool bValid = getAttribList()->getAsDouble( nAttrToken, nValue );
158 34880 : return OptValue< double >( bValid, nValue );
159 : }
160 :
161 386364 : OptValue< sal_Int32 > AttributeList::getInteger( sal_Int32 nAttrToken ) const
162 : {
163 : sal_Int32 nValue;
164 386364 : bool bValid = getAttribList()->getAsInteger( nAttrToken, nValue );
165 386363 : return OptValue< sal_Int32 >( bValid, nValue );
166 : }
167 :
168 174 : OptValue< sal_uInt32 > AttributeList::getUnsigned( sal_Int32 nAttrToken ) const
169 : {
170 174 : OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
171 174 : bool bValid = !aValue.isEmpty();
172 174 : return OptValue< sal_uInt32 >( bValid, AttributeConversion::decodeUnsigned( aValue ) );
173 : }
174 :
175 0 : OptValue< sal_Int64 > AttributeList::getHyper( sal_Int32 nAttrToken ) const
176 : {
177 0 : OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
178 0 : bool bValid = !aValue.isEmpty();
179 0 : return OptValue< sal_Int64 >( bValid, bValid ? AttributeConversion::decodeHyper( aValue ) : 0 );
180 : }
181 :
182 45292 : OptValue< sal_Int32 > AttributeList::getIntegerHex( sal_Int32 nAttrToken ) const
183 : {
184 45292 : OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
185 45292 : bool bValid = !aValue.isEmpty();
186 45292 : return OptValue< sal_Int32 >( bValid, bValid ? AttributeConversion::decodeIntegerHex( aValue ) : 0 );
187 : }
188 :
189 130268 : OptValue< bool > AttributeList::getBool( sal_Int32 nAttrToken ) const
190 : {
191 : const char *pAttr;
192 :
193 : // catch the common cases as quickly as possible first
194 130268 : bool bHasAttr = getAttribList()->getAsChar( nAttrToken, pAttr );
195 130268 : if( !bHasAttr )
196 80408 : return OptValue< bool >();
197 49860 : if( !strcmp( pAttr, "false" ) )
198 11282 : return OptValue< bool >( false );
199 38578 : if( !strcmp( pAttr, "true" ) )
200 2884 : return OptValue< bool >( true );
201 :
202 : // now for all the crazy stuff
203 :
204 : // boolean attributes may be "t", "f", "true", "false", "on", "off", "1", or "0"
205 35694 : switch( getToken( nAttrToken, XML_TOKEN_INVALID ) )
206 : {
207 0 : case XML_t: return OptValue< bool >( true ); // used in VML
208 0 : case XML_true: return OptValue< bool >( true );
209 0 : case XML_on: return OptValue< bool >( true );
210 0 : case XML_f: return OptValue< bool >( false ); // used in VML
211 0 : case XML_false: return OptValue< bool >( false );
212 0 : case XML_off: return OptValue< bool >( false );
213 : }
214 35694 : OptValue< sal_Int32 > onValue = getInteger( nAttrToken );
215 35694 : return OptValue< bool >( onValue.has(), onValue.get() != 0 );
216 : }
217 :
218 0 : OptValue< util::DateTime > AttributeList::getDateTime( sal_Int32 nAttrToken ) const
219 : {
220 0 : OUString aValue = mxAttribs->getOptionalValue( nAttrToken );
221 0 : util::DateTime aDateTime;
222 0 : bool bValid = (aValue.getLength() == 19) && (aValue[ 4 ] == '-') && (aValue[ 7 ] == '-') &&
223 0 : (aValue[ 10 ] == 'T') && (aValue[ 13 ] == ':') && (aValue[ 16 ] == ':');
224 0 : if( bValid )
225 : {
226 0 : aDateTime.Year = static_cast< sal_uInt16 >( aValue.copy( 0, 4 ).toInt32() );
227 0 : aDateTime.Month = static_cast< sal_uInt16 >( aValue.copy( 5, 2 ).toInt32() );
228 0 : aDateTime.Day = static_cast< sal_uInt16 >( aValue.copy( 8, 2 ).toInt32() );
229 0 : aDateTime.Hours = static_cast< sal_uInt16 >( aValue.copy( 11, 2 ).toInt32() );
230 0 : aDateTime.Minutes = static_cast< sal_uInt16 >( aValue.copy( 14, 2 ).toInt32() );
231 0 : aDateTime.Seconds = static_cast< sal_uInt16 >( aValue.copy( 17, 2 ).toInt32() );
232 : }
233 0 : return OptValue< util::DateTime >( bValid, aDateTime );
234 : }
235 :
236 : // defaulted return values ----------------------------------------------------
237 :
238 780748 : sal_Int32 AttributeList::getToken( sal_Int32 nAttrToken, sal_Int32 nDefault ) const
239 : {
240 780748 : return mxAttribs->getOptionalValueToken( nAttrToken, nDefault );
241 : }
242 :
243 348524 : OUString AttributeList::getString( sal_Int32 nAttrToken, const OUString& rDefault ) const
244 : {
245 : // try to avoid slow exception throw/catch if we can
246 348524 : if (rDefault.isEmpty())
247 348336 : return mxAttribs->getOptionalValue( nAttrToken );
248 :
249 : try
250 : {
251 188 : return mxAttribs->getValue( nAttrToken );
252 : }
253 16 : catch( Exception& )
254 : {
255 : }
256 16 : return rDefault;
257 : }
258 :
259 6874 : OUString AttributeList::getXString( sal_Int32 nAttrToken, const OUString& rDefault ) const
260 : {
261 6874 : return getXString( nAttrToken ).get( rDefault );
262 : }
263 :
264 13164 : const char* AttributeList::getChar( sal_Int32 nAttrToken ) const
265 : {
266 13164 : const char* p = NULL;
267 13164 : bool bValid = getAttribList()->getAsChar(nAttrToken, p);
268 13164 : if (!bValid)
269 6 : p = NULL;
270 :
271 13164 : return p;
272 : }
273 :
274 34880 : double AttributeList::getDouble( sal_Int32 nAttrToken, double fDefault ) const
275 : {
276 34880 : return getDouble( nAttrToken ).get( fDefault );
277 : }
278 :
279 315546 : sal_Int32 AttributeList::getInteger( sal_Int32 nAttrToken, sal_Int32 nDefault ) const
280 : {
281 315546 : return getInteger( nAttrToken ).get( nDefault );
282 : }
283 :
284 174 : sal_uInt32 AttributeList::getUnsigned( sal_Int32 nAttrToken, sal_uInt32 nDefault ) const
285 : {
286 174 : return getUnsigned( nAttrToken ).get( nDefault );
287 : }
288 :
289 0 : sal_Int64 AttributeList::getHyper( sal_Int32 nAttrToken, sal_Int64 nDefault ) const
290 : {
291 0 : return getHyper( nAttrToken ).get( nDefault );
292 : }
293 :
294 45054 : sal_Int32 AttributeList::getIntegerHex( sal_Int32 nAttrToken, sal_Int32 nDefault ) const
295 : {
296 45054 : return getIntegerHex( nAttrToken ).get( nDefault );
297 : }
298 :
299 107872 : bool AttributeList::getBool( sal_Int32 nAttrToken, bool bDefault ) const
300 : {
301 107872 : return getBool( nAttrToken ).get( bDefault );
302 : }
303 :
304 0 : util::DateTime AttributeList::getDateTime( sal_Int32 nAttrToken, const util::DateTime& rDefault ) const
305 : {
306 0 : return getDateTime( nAttrToken ).get( rDefault );
307 : }
308 :
309 : } // namespace oox
310 :
311 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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