1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "xfa/fgas/layout/fx_linebreak.h"
8 
9 #include "core/fxcrt/fx_memory.h"
10 #include "core/fxcrt/fx_unicode.h"
11 
12 namespace {
13 
14 #define FX_LBUN FX_LINEBREAKTYPE::kUNKNOWN
15 #define FX_LBDB FX_LINEBREAKTYPE::kDIRECT_BRK
16 #define FX_LBIB FX_LINEBREAKTYPE::kINDIRECT_BRK
17 #define FX_LBCB FX_LINEBREAKTYPE::kCOM_INDIRECT_BRK
18 #define FX_LBCP FX_LINEBREAKTYPE::kCOM_PROHIBITED_BRK
19 #define FX_LBPB FX_LINEBREAKTYPE::kPROHIBITED_BRK
20 #define FX_LBHS FX_LINEBREAKTYPE::kHANGUL_SPACE_BRK
21 
22 const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[38][38] = {
23     {FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
24      FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
25      FX_LBPB, FX_LBPB, FX_LBPB, FX_LBCP, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
26      FX_LBPB, FX_LBPB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
27      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
28     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
29      FX_LBIB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
30      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
31      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
32      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
33     {FX_LBPB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
34      FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
35      FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
36      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
37      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
38     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
39      FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
40      FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
41      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
42      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
43     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
44      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
45      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
46      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
47      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
48     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
49      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
50      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
51      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
52      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
53     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
54      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
55      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
56      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
57      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
58     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
59      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
60      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
61      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
62      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
63     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
64      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB,
65      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
66      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
67      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
68     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
69      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
70      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
71      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
72      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
73     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
74      FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
75      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
76      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
77      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
78     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
79      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
80      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
81      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
82      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
83     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
84      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
85      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
86      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
87      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
88     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
89      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
90      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
91      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
92      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
93     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
94      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
95      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
96      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
97      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
98     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
99      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
100      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
101      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
102      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
103     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
104      FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
105      FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
106      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
107      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
108     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
109      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
110      FX_LBDB, FX_LBPB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
111      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
112      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
113     {FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB,
114      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB,
115      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB,
116      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
117      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
118     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
119      FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
120      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
121      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
122      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
123     {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
124      FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
125      FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
126      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
127      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
128     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
129      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
130      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
131      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
132      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
133     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
134      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
135      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
136      FX_LBDB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
137      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
138     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
139      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
140      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
141      FX_LBIB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
142      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
143     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
144      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
145      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
146      FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
147      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
148     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
149      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
150      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
151      FX_LBDB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
152      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
153     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
154      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
155      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
156      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
157      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
158     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
159      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
160      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
161      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
162      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
163     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
164      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
165      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
166      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
167      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
168     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
169      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
170      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
171      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
172      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
173     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
174      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
175      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
176      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
177      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
178     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
179      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
180      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
181      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
182      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
183     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
184      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
185      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
186      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
187      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
188     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
189      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
190      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
191      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
192      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
193     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
194      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
195      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
196      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
197      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
198     {FX_LBDB, FX_LBPB, FX_LBDB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBDB, FX_LBPB,
199      FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBPB, FX_LBPB, FX_LBIB,
200      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
201      FX_LBPB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
202      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
203     {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
204      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
205      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
206      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
207      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
208     {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
209      FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
210      FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
211      FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
212      FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
213 };
214 
215 #undef FX_LBUN
216 #undef FX_LBDB
217 #undef FX_LBIB
218 #undef FX_LBCB
219 #undef FX_LBCP
220 #undef FX_LBPB
221 #undef FX_LBHS
222 
223 }  // namespace
224 
GetLineBreakTypeFromPair(FX_BREAKPROPERTY curr_char,FX_BREAKPROPERTY next_char)225 FX_LINEBREAKTYPE GetLineBreakTypeFromPair(FX_BREAKPROPERTY curr_char,
226                                           FX_BREAKPROPERTY next_char) {
227   size_t row = static_cast<size_t>(curr_char);
228   size_t col = static_cast<size_t>(next_char);
229   ASSERT(row < FX_ArraySize(gs_FX_LineBreak_PairTable));
230   ASSERT(col < FX_ArraySize(gs_FX_LineBreak_PairTable[0]));
231   return gs_FX_LineBreak_PairTable[row][col];
232 }
233