1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SAX_FASTATTRIBS_HXX
#define INCLUDED_SAX_FASTATTRIBS_HXX
#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
#include <cppuhelper/implbase.hxx>
#include <sax/saxdllapi.h>
#include <vector>
namespace com { namespace sun { namespace star { namespace xml { namespace sax { class XFastTokenHandler; } } } } }
namespace com { namespace sun { namespace star { namespace xml { struct Attribute; } } } }
namespace com { namespace sun { namespace star { namespace xml { struct FastAttribute; } } } }
namespace sax_fastparser
{
struct UnknownAttribute
{
OUString const maNamespaceURL;
OString const maName;
OString const maValue;
UnknownAttribute( const OUString& rNamespaceURL, const OString& rName, const OString& value );
UnknownAttribute( const OString& rName, const OString& value );
void FillAttribute( css::xml::Attribute* pAttrib ) const;
};
typedef std::vector< UnknownAttribute > UnknownAttributeList;
/// A native C++ interface to tokenisation
class SAX_DLLPUBLIC FastTokenHandlerBase
{
public:
virtual ~FastTokenHandlerBase();
virtual sal_Int32 getTokenDirect( const char *pToken, sal_Int32 nLength ) const = 0;
/**
* Client method to attempt the use of this interface if possible.
* @xTokenHandler - the UNO handle for the token lookup interface
* @pTokenHandler - a dynamic_cast version of @xTokenHandler to this interface
* @pStr - string buffer to lookup
* @nLength - optional length of chars in that buffer
*
* @return Tokenized form of pStr
*/
static sal_Int32 getTokenFromChars(
const css::uno::Reference<css::xml::sax::XFastTokenHandler > &xTokenHandler,
const FastTokenHandlerBase *pTokenHandler /* can be NULL */,
const char *pStr, size_t nLength );
};
class SAX_DLLPUBLIC FastAttributeList final : public cppu::WeakImplHelper< css::xml::sax::XFastAttributeList >
{
public:
FastAttributeList( const css::uno::Reference< css::xml::sax::XFastTokenHandler >& xTokenHandler,
FastTokenHandlerBase *pOptHandlerBase = nullptr );
virtual ~FastAttributeList() override;
void clear();
void reserve( sal_Int32 nNumTokens )
{
maAttributeValues.reserve(nNumTokens+1);
maAttributeTokens.reserve(nNumTokens);
}
void add( sal_Int32 nToken, const char* pValue );
void add( sal_Int32 nToken, const char* pValue, size_t nValueLength );
void add( sal_Int32 nToken, const OString& rValue );
void addNS( sal_Int32 nNamespaceToken, sal_Int32 nToken, const OString& rValue );
// note: rQName is *namespace-prefixed*
void addUnknown( const OUString& rNamespaceURL, const OString& rQName, const OString& value );
void addUnknown( const OString& rName, const OString& value );
const std::vector< sal_Int32 >& getFastAttributeTokens() const { return maAttributeTokens; }
const char* getFastAttributeValue(size_t nIndex) const { return mpChunk + maAttributeValues[nIndex]; }
sal_Int32 AttributeValueLength(size_t i) const { return maAttributeValues[i + 1] - maAttributeValues[i] - 1; }
// performance sensitive shortcuts to avoid allocation ...
bool getAsInteger( sal_Int32 nToken, sal_Int32 &rInt) const;
bool getAsDouble( sal_Int32 nToken, double &rDouble) const;
bool getAsChar( sal_Int32 nToken, const char*& rPos ) const;
sal_Int32 getAsIntegerByIndex( sal_Int32 nTokenIndex ) const;
const char* getAsCharByIndex( sal_Int32 nTokenIndex ) const;
OUString getValueByIndex( sal_Int32 nTokenIndex ) const;
// XFastAttributeList
virtual sal_Bool SAL_CALL hasAttribute( ::sal_Int32 Token ) override;
virtual ::sal_Int32 SAL_CALL getValueToken( ::sal_Int32 Token ) override;
virtual ::sal_Int32 SAL_CALL getOptionalValueToken( ::sal_Int32 Token, ::sal_Int32 Default ) override;
virtual OUString SAL_CALL getValue( ::sal_Int32 Token ) override;
virtual OUString SAL_CALL getOptionalValue( ::sal_Int32 Token ) override;
virtual css::uno::Sequence< css::xml::Attribute > SAL_CALL getUnknownAttributes( ) override;
virtual css::uno::Sequence< css::xml::FastAttribute > SAL_CALL getFastAttributes() override;
sal_Int32 getAttributeIndex( ::sal_Int32 Token )
{
for (size_t i=0; i<maAttributeTokens.size(); ++i)
if (maAttributeTokens[i] == Token)
return i;
return -1;
}
static FastAttributeList* castToFastAttributeList(
const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
{
assert( dynamic_cast <FastAttributeList *> ( xAttrList.get() ) != nullptr );
return static_cast <FastAttributeList *> ( xAttrList.get() );
}
/// Use for fast iteration and conversion of attributes
class FastAttributeIter {
const FastAttributeList &mrList;
size_t mnIdx;
public:
FastAttributeIter(const FastAttributeList &rList, size_t nIdx)
: mrList(rList), mnIdx(nIdx)
{
}
FastAttributeIter& operator++ ()
{
mnIdx++;
return *this;
}
bool operator!=( const FastAttributeIter& rhs ) const
{
return mnIdx != rhs.mnIdx;
}
const FastAttributeIter& operator*() const
{
return *this;
}
sal_Int32 getToken() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return mrList.maAttributeTokens[mnIdx];
}
bool isEmpty() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return mrList.AttributeValueLength(mnIdx) < 1;
}
sal_Int32 toInt32() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return rtl_str_toInt32(mrList.getFastAttributeValue(mnIdx), 10);
}
double toDouble() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return rtl_str_toDouble(mrList.getFastAttributeValue(mnIdx));
}
OUString toString() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return OUString(mrList.getFastAttributeValue(mnIdx),
mrList.AttributeValueLength(mnIdx),
RTL_TEXTENCODING_UTF8);
}
const char* toCString() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return mrList.getFastAttributeValue(mnIdx);
}
sal_Int32 getLength() const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return mrList.AttributeValueLength(mnIdx);
}
bool isString(const char *str) const
{
assert(mnIdx < mrList.maAttributeTokens.size());
return !strcmp(str, mrList.getFastAttributeValue(mnIdx));
}
};
FastAttributeIter begin() const { return FastAttributeIter(*this, 0); }
FastAttributeIter end() const { return FastAttributeIter(*this, maAttributeTokens.size()); }
FastAttributeIter find( sal_Int32 nToken ) const;
private:
char *mpChunk; ///< buffer to store all attribute values - null terminated strings
sal_Int32 mnChunkLength; ///< size of allocated memory for mpChunk
// maAttributeValues stores pointers, relative to mpChunk, for each attribute value string
// length of the string is maAttributeValues[n+1] - maAttributeValues[n] - 1
// maAttributeValues[0] == 0
std::vector< sal_Int32 > maAttributeValues;
std::vector< sal_Int32 > maAttributeTokens;
UnknownAttributeList maUnknownAttributes;
css::uno::Reference< css::xml::sax::XFastTokenHandler > mxTokenHandler;
FastTokenHandlerBase * const mpTokenHandler;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|