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Side by Side Diff: third_party/brotli/dec/transform.h

Issue 2537133002: Update brotli to v1.0.0-snapshot. (Closed)
Patch Set: Fixed typo Created 4 years ago
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1 /* Copyright 2013 Google Inc. All Rights Reserved. 1 /* Copyright 2013 Google Inc. All Rights Reserved.
2 2
3 Distributed under MIT license. 3 Distributed under MIT license.
4 See file LICENSE for detail or copy at https://opensource.org/licenses/MIT 4 See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
5 */ 5 */
6 6
7 /* Transformations on dictionary words. */ 7 /* Transformations on dictionary words. */
8 8
9 #ifndef BROTLI_DEC_TRANSFORM_H_ 9 #ifndef BROTLI_DEC_TRANSFORM_H_
10 #define BROTLI_DEC_TRANSFORM_H_ 10 #define BROTLI_DEC_TRANSFORM_H_
11 11
12 #include <brotli/types.h>
12 #include "./port.h" 13 #include "./port.h"
13 #include "./types.h"
14 14
15 #if defined(__cplusplus) || defined(c_plusplus) 15 #if defined(__cplusplus) || defined(c_plusplus)
16 extern "C" { 16 extern "C" {
17 #endif 17 #endif
18 18
19 enum WordTransformType { 19 enum WordTransformType {
20 kIdentity = 0, 20 kIdentity = 0,
21 kOmitLast1 = 1, 21 kOmitLast1 = 1,
22 kOmitLast2 = 2, 22 kOmitLast2 = 2,
23 kOmitLast3 = 3, 23 kOmitLast3 = 3,
(...skipping 216 matching lines...) Expand 10 before | Expand all | Expand 10 after
240 240
241 static const int kNumTransforms = sizeof(kTransforms) / sizeof(kTransforms[0]); 241 static const int kNumTransforms = sizeof(kTransforms) / sizeof(kTransforms[0]);
242 242
243 static int ToUpperCase(uint8_t* p) { 243 static int ToUpperCase(uint8_t* p) {
244 if (p[0] < 0xc0) { 244 if (p[0] < 0xc0) {
245 if (p[0] >= 'a' && p[0] <= 'z') { 245 if (p[0] >= 'a' && p[0] <= 'z') {
246 p[0] ^= 32; 246 p[0] ^= 32;
247 } 247 }
248 return 1; 248 return 1;
249 } 249 }
250 /* An overly simplified uppercasing model for utf-8. */ 250 /* An overly simplified uppercasing model for UTF-8. */
251 if (p[0] < 0xe0) { 251 if (p[0] < 0xe0) {
252 p[1] ^= 32; 252 p[1] ^= 32;
253 return 2; 253 return 2;
254 } 254 }
255 /* An arbitrary transform for three byte characters. */ 255 /* An arbitrary transform for three byte characters. */
256 p[2] ^= 5; 256 p[2] ^= 5;
257 return 3; 257 return 3;
258 } 258 }
259 259
260 static BROTLI_NOINLINE int TransformDictionaryWord( 260 static BROTLI_NOINLINE int TransformDictionaryWord(
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291 while (*suffix) { dst[idx++] = (uint8_t)*suffix++; } 291 while (*suffix) { dst[idx++] = (uint8_t)*suffix++; }
292 return idx; 292 return idx;
293 } 293 }
294 } 294 }
295 295
296 #if defined(__cplusplus) || defined(c_plusplus) 296 #if defined(__cplusplus) || defined(c_plusplus)
297 } /* extern "C" */ 297 } /* extern "C" */
298 #endif 298 #endif
299 299
300 #endif /* BROTLI_DEC_TRANSFORM_H_ */ 300 #endif /* BROTLI_DEC_TRANSFORM_H_ */
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