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Commit2f3fe32

Browse files
Add stamp_dict stamp
1 parente0faa4c commit2f3fe32

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7 files changed

+120
-5
lines changed

7 files changed

+120
-5
lines changed

‎Makefile‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,9 +10,11 @@ BLOB_STAMPER_OBJ = blobstamper/blob.o \
1010
blobstamper/helpers.o\
1111
blobstamper/stamp.o\
1212
blobstamper/stamp_atomic.o\
13-
blobstamper/stamp_pg_type_geo.o\
13+
blobstamper/stamp_dict.o\
1414
blobstamper/galley.o\
1515
blobstamper/dict.o\
16+
blobstamper/stamp_pg_type_geo.o\
17+
1618

1719
WRAPPERS_OBJ = pg_op_wrappers.o
1820

‎blobstamper/Makefile‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,9 +3,11 @@ ALL_OBJS = blob.o \
33
helpers.o\
44
stamp.o\
55
stamp_atomic.o\
6-
stamp_pg_type_geo.o\
6+
stamp_dict.o\
77
galley.o\
8-
dict.o
8+
dict.o\
9+
stamp_pg_type_geo.o\
10+
911

1012

1113
%.o:%.cpp$(DEPS)

‎blobstamper/blobstamper.h‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,8 +2,9 @@
22
#include"blob.h"
33
#include"stamp.h"
44
#include"stamp_atomic.h"
5-
#include"stamp_pg_type_geo.h"
5+
#include"stamp_dict.h"
66
#include"dict.h"
77
#include"galley.h"
8+
#include"stamp_pg_type_geo.h"
89

910

‎blobstamper/dict.h‎

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,7 @@
1+
#ifndef DICT_H
2+
#defineDICT_H
3+
4+
15
#include<string>
26
#include<vector>
37

@@ -16,4 +20,6 @@ class DictLCAlphaSmall : public DictBase
1620
{
1721
public:
1822
DictLCAlphaSmall();
19-
};
23+
};
24+
25+
#endif/* DICT_H*/

‎blobstamper/stamp_dict.cpp‎

Lines changed: 73 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,73 @@
1+
2+
#include"blob.h"
3+
#include"stamp.h"
4+
#include"stamp_atomic.h"
5+
#include"stamp_dict.h"
6+
7+
StampGeneric&
8+
StampDict::GuessStamp(DictBase & dict)
9+
{
10+
if (dict.size()<= UCHAR_MAX+1)
11+
{
12+
stamp_max_value = UCHAR_MAX;
13+
return stamp8;
14+
}
15+
if (dict.size()<= USHRT_MAX+1)
16+
{
17+
stamp_max_value = USHRT_MAX;
18+
return stamp16;
19+
}
20+
if (dict.size()<= UINT_MAX+1)
21+
{
22+
stamp_max_value = UINT_MAX;
23+
return stamp32;
24+
}
25+
stamp_max_value = ULONG_MAX;
26+
return stamp64;
27+
}
28+
29+
std::string
30+
StampDict::ExtractStr(Blob &blob)
31+
{
32+
unsignedlonglong index_oracle;
33+
34+
/* Shifting index oracle according to size of dictionary index variable*/
35+
switch (stamp.minSize())
36+
{
37+
case1:
38+
{
39+
unsignedchar * i = (unsignedchar *) blob.ShiftSingleStampBin(stamp);
40+
index_oracle = * i;
41+
free(i);
42+
break;
43+
}
44+
case2:
45+
{
46+
unsignedshortint * i = (unsignedshortint *) blob.ShiftSingleStampBin(stamp);
47+
index_oracle = * i;
48+
free(i);
49+
break;
50+
}
51+
case4:
52+
{
53+
unsignedint * i = (unsignedint *) blob.ShiftSingleStampBin(stamp);
54+
index_oracle = * i;
55+
free(i);
56+
break;
57+
}
58+
59+
case8:
60+
{
61+
unsignedlonglong * i = (unsignedlonglong *) blob.ShiftSingleStampBin(stamp);
62+
index_oracle = * i;
63+
free(i);
64+
break;
65+
}
66+
default:
67+
printf("StampDict::ExtractStr: Something is really wrong\n");
68+
exit(1);
69+
}
70+
longlong actual_index = ((double) index_oracle) / stamp_max_value * dict.size();
71+
if ( actual_index == dict.size()) actual_index--;/* If we hit the boundary step inside a bit*/
72+
return dict.get(actual_index);
73+
}

‎blobstamper/stamp_dict.h‎

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
2+
#ifndef STAMP_DICT_H
3+
#defineSTAMP_DICT_H
4+
5+
#include<limits.h>
6+
7+
#include"dict.h"
8+
9+
classStampDict:publicStampGeneric
10+
{
11+
protected:
12+
StampBinChar stamp8;
13+
StampBinInt16 stamp16;
14+
StampBinInt32 stamp32;
15+
StampBinInt64 stamp64;
16+
StampGeneric& stamp;
17+
DictBase& dict;
18+
unsignedlonglong stamp_max_value;
19+
20+
StampGeneric&GuessStamp(DictBase & dict);
21+
22+
public:
23+
StampDict(DictBase & dict_arg) : dict{dict_arg}, stamp{GuessStamp(dict_arg)} {};
24+
std::stringExtractStr(Blob &blob)override;
25+
boolisFixedSize()override {returntrue;}
26+
intminSize()override {return stamp.minSize();}
27+
intmaxSize()override {return stamp.maxSize();}
28+
};
29+
30+
#endif/* STAMP_DICT_H*/

‎t/Makefile‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,7 @@ BLOB_STAMPER_OBJ = ../blobstamper/blob.o \
1818
../blobstamper/dict.o\
1919
../blobstamper/stamp.o\
2020
../blobstamper/stamp_atomic.o\
21+
../blobstamper/stamp_dict.o\
2122
../blobstamper/galley.o\
2223
../blobstamper/stamp_pg_type_geo.o\
2324
../pg_op_wrappers.o\

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