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 // Original code is licensed as follows:
7 /*
8  * Copyright 2007 ZXing authors
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License");
11  * you may not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  *      http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  */
22 
23 #include "fxbarcode/qrcode/BC_QRCoderMode.h"
24 
25 #include <utility>
26 
27 #include "fxbarcode/utils.h"
28 
29 CBC_QRCoderMode* CBC_QRCoderMode::sBYTE = nullptr;
30 CBC_QRCoderMode* CBC_QRCoderMode::sNUMERIC = nullptr;
31 CBC_QRCoderMode* CBC_QRCoderMode::sALPHANUMERIC = nullptr;
32 CBC_QRCoderMode* CBC_QRCoderMode::sKANJI = nullptr;
33 CBC_QRCoderMode* CBC_QRCoderMode::sECI = nullptr;
34 CBC_QRCoderMode* CBC_QRCoderMode::sGBK = nullptr;
35 CBC_QRCoderMode* CBC_QRCoderMode::sTERMINATOR = nullptr;
36 CBC_QRCoderMode* CBC_QRCoderMode::sFNC1_FIRST_POSITION = nullptr;
37 CBC_QRCoderMode* CBC_QRCoderMode::sFNC1_SECOND_POSITION = nullptr;
38 CBC_QRCoderMode* CBC_QRCoderMode::sSTRUCTURED_APPEND = nullptr;
39 
40 CBC_QRCoderMode::CBC_QRCoderMode(std::vector<int32_t> charCountBits,
41                                  int32_t bits,
42                                  ByteString name)
43     : m_characterCountBitsForVersions(std::move(charCountBits)),
44       m_bits(bits),
45       m_name(name) {}
46 
47 CBC_QRCoderMode::~CBC_QRCoderMode() {}
48 
49 void CBC_QRCoderMode::Initialize() {
50   sBYTE = new CBC_QRCoderMode({8, 16, 16}, 0x4, "BYTE");
51   sALPHANUMERIC = new CBC_QRCoderMode({9, 11, 13}, 0x2, "ALPHANUMERIC");
52   sECI = new CBC_QRCoderMode(std::vector<int32_t>(), 0x7, "ECI");
53   sKANJI = new CBC_QRCoderMode({8, 10, 12}, 0x8, "KANJI");
54   sNUMERIC = new CBC_QRCoderMode({10, 12, 14}, 0x1, "NUMERIC");
55   sGBK = new CBC_QRCoderMode({8, 10, 12}, 0x0D, "GBK");
56   sTERMINATOR = new CBC_QRCoderMode(std::vector<int32_t>(), 0x00, "TERMINATOR");
57   sFNC1_FIRST_POSITION =
58       new CBC_QRCoderMode(std::vector<int32_t>(), 0x05, "FNC1_FIRST_POSITION");
59   sFNC1_SECOND_POSITION =
60       new CBC_QRCoderMode(std::vector<int32_t>(), 0x09, "FNC1_SECOND_POSITION");
61   sSTRUCTURED_APPEND =
62       new CBC_QRCoderMode(std::vector<int32_t>(), 0x03, "STRUCTURED_APPEND");
63 }
64 
65 void CBC_QRCoderMode::Finalize() {
66   delete sBYTE;
67   delete sALPHANUMERIC;
68   delete sECI;
69   delete sKANJI;
70   delete sNUMERIC;
71   delete sGBK;
72   delete sTERMINATOR;
73   delete sFNC1_FIRST_POSITION;
74   delete sFNC1_SECOND_POSITION;
75   delete sSTRUCTURED_APPEND;
76 }
77 
78 CBC_QRCoderMode* CBC_QRCoderMode::ForBits(int32_t bits, int32_t& e) {
79   switch (bits) {
80     case 0x0:
81       return sTERMINATOR;
82     case 0x1:
83       return sNUMERIC;
84     case 0x2:
85       return sALPHANUMERIC;
86     case 0x3:
87       return sSTRUCTURED_APPEND;
88     case 0x4:
89       return sBYTE;
90     case 0x5:
91       return sFNC1_FIRST_POSITION;
92     case 0x7:
93       return sECI;
94     case 0x8:
95       return sKANJI;
96     case 0x9:
97       return sFNC1_SECOND_POSITION;
98     case 0x0D:
99       return sGBK;
100     default:
101       e = BCExceptionUnsupportedMode;
102       return nullptr;
103   }
104 }
105 
106 int32_t CBC_QRCoderMode::GetBits() const {
107   return m_bits;
108 }
109 
110 ByteString CBC_QRCoderMode::GetName() const {
111   return m_name;
112 }
113 
114 int32_t CBC_QRCoderMode::GetCharacterCountBits(int32_t number,
115                                                int32_t& e) const {
116   if (m_characterCountBitsForVersions.empty()) {
117     e = BCExceptionCharacterNotThisMode;
118     return 0;
119   }
120   int32_t offset;
121   if (number <= 9) {
122     offset = 0;
123   } else if (number <= 26) {
124     offset = 1;
125   } else {
126     offset = 2;
127   }
128   return m_characterCountBitsForVersions[offset];
129 }
130 
131 void CBC_QRCoderMode::Destroy() {
132   if (sBYTE) {
133     delete CBC_QRCoderMode::sBYTE;
134     sBYTE = nullptr;
135   }
136   if (sNUMERIC) {
137     delete CBC_QRCoderMode::sNUMERIC;
138     sNUMERIC = nullptr;
139   }
140   if (sALPHANUMERIC) {
141     delete CBC_QRCoderMode::sALPHANUMERIC;
142     sALPHANUMERIC = nullptr;
143   }
144   if (sKANJI) {
145     delete CBC_QRCoderMode::sKANJI;
146     sKANJI = nullptr;
147   }
148   if (sECI) {
149     delete CBC_QRCoderMode::sECI;
150     sECI = nullptr;
151   }
152   if (sGBK) {
153     delete CBC_QRCoderMode::sGBK;
154     sGBK = nullptr;
155   }
156   if (sTERMINATOR) {
157     delete CBC_QRCoderMode::sTERMINATOR;
158     sTERMINATOR = nullptr;
159   }
160   if (sFNC1_FIRST_POSITION) {
161     delete CBC_QRCoderMode::sFNC1_FIRST_POSITION;
162     sFNC1_FIRST_POSITION = nullptr;
163   }
164   if (sFNC1_SECOND_POSITION) {
165     delete CBC_QRCoderMode::sFNC1_SECOND_POSITION;
166     sFNC1_SECOND_POSITION = nullptr;
167   }
168   if (sSTRUCTURED_APPEND) {
169     delete CBC_QRCoderMode::sSTRUCTURED_APPEND;
170     sSTRUCTURED_APPEND = nullptr;
171   }
172 }
173