This file is indexed.

/usr/include/verbiste-0.1/verbiste/Trie.cpp is in libverbiste-dev 0.1.41-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
/*  $Id: Trie.cpp,v 1.16 2012/11/18 19:56:06 sarrazip Exp $
    Trie.cpp - Tree structure for string storage

    verbiste - French conjugation system
    Copyright (C) 2003-2005 Pierre Sarrazin <http://sarrazip.com/>

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.    
*/

#include "Trie.h"

#include <assert.h>
#include <stdlib.h>
#include <list>
#include <iostream>


namespace verbiste {


///////////////////////////////////////////////////////////////////////////////
//
// Descriptor local class
//
//


template <class T>
Trie<T>::Descriptor::Descriptor(wchar_t u)
  : unichar(u),
    inferiorRow(NULL),
    userData(NULL)
{
}


template <class T>
Trie<T>::Descriptor::~Descriptor()
{
    assert(inferiorRow == NULL);
}


template <class T>
void
Trie<T>::Descriptor::recursiveDelete(bool deleteUserData)
{
    if (deleteUserData)
    {
        delete userData;
        userData = NULL;
    }
    if (inferiorRow != NULL)
    {
        inferiorRow->recursiveDelete(deleteUserData);
        delete inferiorRow;
        inferiorRow = NULL;
    }
}


template <class T>
size_t
Trie<T>::Descriptor::computeMemoryConsumption() const
{
    return sizeof(*this) + (inferiorRow != NULL ? inferiorRow->computeMemoryConsumption() : 0);
}


///////////////////////////////////////////////////////////////////////////////
//
// Row local class
//
//


template <class T>
Trie<T>::Row::~Row()
{
    assert(elements.size() == 0);  // recursiveDelete() should have been called
}


template <class T>
size_t
Trie<T>::Row::computeMemoryConsumption() const
{
    size_t sum = 0;
    for (typename DescVec::const_iterator it = elements.begin(); it != elements.end(); ++it)
        sum += (*it)->computeMemoryConsumption();
    return sizeof(*this) + sum;
}


template <class T>
void
Trie<T>::Row::recursiveDelete(bool deleteUserData)
{
    for (typename DescVec::iterator it = elements.begin(); it != elements.end(); it++)
    {
        Descriptor *d = *it;
        d->recursiveDelete(deleteUserData);
        delete d;
    }

    elements.clear();
}


template <class T>
typename Trie<T>::Descriptor *
Trie<T>::Row::find(wchar_t unichar)
{
    for (typename DescVec::iterator it = elements.begin(); it != elements.end(); it++)
    {
        assert(*it != NULL);
        if ((*it)->unichar == unichar)
            return *it;
    }

    return NULL;
}


template <class T>
typename Trie<T>::Descriptor &
Trie<T>::Row::operator [] (wchar_t unichar)
{
    Descriptor *pd = find(unichar);
    if (pd != NULL)
        return *pd;

    pd = new Descriptor(unichar);
    elements.push_back(pd);
    assert(pd->unichar == unichar);
    return *pd;
}


///////////////////////////////////////////////////////////////////////////////
//
// Trie class
//
//

template <class T>
Trie<T>::Trie(bool _userDataFromNew)
  : emptyKeyUserData(NULL),
    firstRow(new Row()),
    userDataFromNew(_userDataFromNew)
{
}


template <class T>
Trie<T>::~Trie()
{
    if (userDataFromNew)
        delete emptyKeyUserData;

    firstRow->recursiveDelete(userDataFromNew);
    delete firstRow;
}


template <class T>
T *
Trie<T>::get(const std::wstring &key) const
{
    if (emptyKeyUserData != NULL)
        onFoundPrefixWithUserData(key, 0, emptyKeyUserData);

    if (key.empty())
        return emptyKeyUserData;

    Descriptor *d = const_cast<Trie<T> *>(this)->getDesc(firstRow, key, 0, false, true);
    return (d != NULL ? d->userData : NULL);
}


template <class T>
T **
Trie<T>::getUserDataPointer(const std::wstring &key)
{
    if (key.empty())
        return &emptyKeyUserData;

    // Get descriptor associated with 'key' (and create a new entry
    // if the key is not known).
    //
    Descriptor *d = getDesc(firstRow, key, 0, true, false);
    assert(d != NULL);
    return &d->userData;
}


template <class T>
typename Trie<T>::Descriptor *
Trie<T>::getDesc(Row *row,
                const std::wstring &key,
                std::wstring::size_type index,
                bool create,
                bool callFoundPrefixCallback)
{
    assert(row != NULL);
    assert(index < key.length());

    wchar_t unichar = key[index];  // the "expected" character
    assert(unichar != '\0');

    Descriptor *pd = row->find(unichar);

    static bool trieTrace = getenv("TRACE") != NULL;
    if (trieTrace)
        std::wcout << "getDesc(row=" << row
                   << ", key='" << key << "' (len=" << key.length()
                   << "), index=" << index
                   << ", create=" << create
                   << ", call=" << callFoundPrefixCallback
                   << "): unichar=" << unichar << ", pd=" << pd << "\n";

    if (pd == NULL)  // if expected character not found
    {
        if (!create)
            return NULL;

        Descriptor &newDesc = (*row)[unichar];
        assert(row->find(unichar) != NULL);
        assert(row->find(unichar) == &newDesc);

        if (index + 1 == key.length())  // if last char of string
            return &newDesc;

        // Create new descriptor that points to a new inferior row:
        newDesc.inferiorRow = new Row();
        assert(row->find(unichar)->inferiorRow == newDesc.inferiorRow);

        return getDesc(newDesc.inferiorRow,
                        key, index + 1, create, callFoundPrefixCallback);
    }

    if (trieTrace)
        std::wcout << "getDesc: userData=" << pd->userData
                   << ", inferiorRow=" << pd->inferiorRow
                   << "\n";

    if (callFoundPrefixCallback && pd->userData != NULL)
        onFoundPrefixWithUserData(key, index + 1, pd->userData);  // virtual call

    if (index + 1 == key.length())  // if reached end of key
    {
        if (trieTrace)
            std::wcout << "getDesc: reached end of key\n";
        return pd;
    }

    if (pd->inferiorRow == NULL)  // if pd is a leaf:
    {
        if (!create)
            return NULL;  // not found

        pd->inferiorRow = new Row();
    }

    return getDesc(pd->inferiorRow,
                        key, index + 1, create, callFoundPrefixCallback);
}


template <class T>
size_t
Trie<T>::computeMemoryConsumption() const
{
    return sizeof(*this) + (firstRow != NULL ? firstRow->computeMemoryConsumption() : 0);
}


}  // namespace verbiste