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
|
// $Id$
/***********************************************************************
Moses - factored phrase-based, hierarchical and syntactic language decoder
Copyright (C) 2009 Hieu Hoang
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#include <algorithm>
#include <iostream>
#include "moses/Util.h"
#include "TargetPhraseCollection.h"
#include "Vocab.h"
#include "OnDiskWrapper.h"
using namespace std;
namespace OnDiskPt
{
size_t TargetPhraseCollection::s_sortScoreInd;
TargetPhraseCollection::TargetPhraseCollection()
:m_filePos(777)
{}
TargetPhraseCollection::TargetPhraseCollection(const TargetPhraseCollection ©)
:m_filePos(copy.m_filePos)
,m_debugStr(copy.m_debugStr)
{
}
TargetPhraseCollection::~TargetPhraseCollection()
{
Moses::RemoveAllInColl(m_coll);
}
void TargetPhraseCollection::AddTargetPhrase(TargetPhrase *targetPhrase)
{
m_coll.push_back(targetPhrase);
}
void TargetPhraseCollection::Sort(size_t tableLimit)
{
std::sort(m_coll.begin(), m_coll.end(), TargetPhraseOrderByScore());
if (tableLimit && m_coll.size() > tableLimit) {
CollType::iterator iter;
for (iter = m_coll.begin() + tableLimit ; iter != m_coll.end(); ++iter) {
delete *iter;
}
m_coll.resize(tableLimit);
}
}
void TargetPhraseCollection::Save(OnDiskWrapper &onDiskWrapper)
{
std::fstream &file = onDiskWrapper.GetFileTargetColl();
size_t memUsed = sizeof(uint64_t);
char *mem = (char*) malloc(memUsed);
// size of coll
uint64_t numPhrases = GetSize();
((uint64_t*)mem)[0] = numPhrases;
// MAIN LOOP
CollType::iterator iter;
for (iter = m_coll.begin(); iter != m_coll.end(); ++iter) {
// save phrase
TargetPhrase &targetPhrase = **iter;
targetPhrase.Save(onDiskWrapper);
// save coll
size_t memUsedTPOtherInfo;
char *memTPOtherInfo = targetPhrase.WriteOtherInfoToMemory(onDiskWrapper, memUsedTPOtherInfo);
// expand existing mem
mem = (char*) realloc(mem, memUsed + memUsedTPOtherInfo);
memcpy(mem + memUsed, memTPOtherInfo, memUsedTPOtherInfo);
memUsed += memUsedTPOtherInfo;
free(memTPOtherInfo);
}
// total number of bytes
//((uint64_t*)mem)[0] = (uint64_t) memUsed;
uint64_t startPos = file.tellp();
file.seekp(0, ios::end);
file.write((char*) mem, memUsed);
free(mem);
#ifndef NDEBUG
uint64_t endPos = file.tellp();
assert(startPos + memUsed == endPos);
#endif
m_filePos = startPos;
}
void TargetPhraseCollection::ReadFromFile(size_t tableLimit, uint64_t filePos, OnDiskWrapper &onDiskWrapper)
{
fstream &fileTPColl = onDiskWrapper.GetFileTargetColl();
fstream &fileTP = onDiskWrapper.GetFileTargetInd();
size_t numScores = onDiskWrapper.GetNumScores();
uint64_t numPhrases;
uint64_t currFilePos = filePos;
fileTPColl.seekg(filePos);
fileTPColl.read((char*) &numPhrases, sizeof(uint64_t));
// table limit
if (tableLimit) {
numPhrases = std::min(numPhrases, (uint64_t) tableLimit);
}
currFilePos += sizeof(uint64_t);
for (size_t ind = 0; ind < numPhrases; ++ind) {
TargetPhrase *tp = new TargetPhrase(numScores);
uint64_t sizeOtherInfo = tp->ReadOtherInfoFromFile(currFilePos, fileTPColl);
tp->ReadFromFile(fileTP);
currFilePos += sizeOtherInfo;
m_coll.push_back(tp);
}
}
uint64_t TargetPhraseCollection::GetFilePos() const
{
return m_filePos;
}
const std::string TargetPhraseCollection::GetDebugStr() const
{
return m_debugStr;
}
void TargetPhraseCollection::SetDebugStr(const std::string &str)
{
m_debugStr = str;
}
const TargetPhrase &TargetPhraseCollection::GetTargetPhrase(size_t ind) const
{
assert(ind < GetSize());
return *m_coll[ind];
}
}
|
