/src/mozilla-central/modules/brotli/common/transform.c

Source (jump to first uncovered line)
/* Copyright 2013 Google Inc. All Rights Reserved.

   Distributed under MIT license.
   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/

#include "./transform.h"

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

/* RFC 7932 transforms string data */
static const char kPrefixSuffix[217] =
      "\1 \2, \10 of the \4 of \2s \1.\5 and \4 "
/* 0x  _0 _2  __5        _E    _3  _6 _8     _E */
      "in \1\"\4 to \2\">\1\n\2. \1]\5 for \3 a \6 "
/* 2x     _3_ _5    _A_  _D_ _F  _2 _4     _A   _E */
      "that \1\'\6 with \6 from \4 by \1(\6. T"
/* 4x       _5_ _7      _E      _5    _A _C */
      "he \4 on \4 as \4 is \4ing \2\n\t\1:\3ed "
/* 6x     _3    _8    _D    _2    _7_ _ _A _C */
      "\2=\"\4 at \3ly \1,\2=\'\5.com/\7. This \5"
/* 8x  _0 _ _3    _8   _C _E _ _1     _7       _F */
      " not \3er \3al \4ful \4ive \5less \4es"
/* Ax       _5   _9   _D    _2    _7     _D */
      "t \4ize \2\xc2\xa0\4ous \5 the \2e \0";
/* Cx    _2    _7___ ___ _A    _F     _5  _8 */

static const uint16_t kPrefixSuffixMap[50] = {
  0x00, 0x02, 0x05, 0x0E, 0x13, 0x16, 0x18, 0x1E, 0x23, 0x25,
  0x2A, 0x2D, 0x2F, 0x32, 0x34, 0x3A, 0x3E, 0x45, 0x47, 0x4E,
  0x55, 0x5A, 0x5C, 0x63, 0x68, 0x6D, 0x72, 0x77, 0x7A, 0x7C,
  0x80, 0x83, 0x88, 0x8C, 0x8E, 0x91, 0x97, 0x9F, 0xA5, 0xA9,
  0xAD, 0xB2, 0xB7, 0xBD, 0xC2, 0xC7, 0xCA, 0xCF, 0xD5, 0xD8
};

/* RFC 7932 transforms */
static const uint8_t kTransformsData[] = {
  49, BROTLI_TRANSFORM_IDENTITY, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 0,
   0, BROTLI_TRANSFORM_IDENTITY, 0,
  49, BROTLI_TRANSFORM_OMIT_FIRST_1, 49,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 0,
  49, BROTLI_TRANSFORM_IDENTITY, 47,
   0, BROTLI_TRANSFORM_IDENTITY, 49,
   4, BROTLI_TRANSFORM_IDENTITY, 0,
  49, BROTLI_TRANSFORM_IDENTITY, 3,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 6,
  49, BROTLI_TRANSFORM_OMIT_FIRST_2, 49,
  49, BROTLI_TRANSFORM_OMIT_LAST_1, 49,
   1, BROTLI_TRANSFORM_IDENTITY, 0,
  49, BROTLI_TRANSFORM_IDENTITY, 1,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 0,
  49, BROTLI_TRANSFORM_IDENTITY, 7,
  49, BROTLI_TRANSFORM_IDENTITY, 9,
  48, BROTLI_TRANSFORM_IDENTITY, 0,
  49, BROTLI_TRANSFORM_IDENTITY, 8,
  49, BROTLI_TRANSFORM_IDENTITY, 5,
  49, BROTLI_TRANSFORM_IDENTITY, 10,
  49, BROTLI_TRANSFORM_IDENTITY, 11,
  49, BROTLI_TRANSFORM_OMIT_LAST_3, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 13,
  49, BROTLI_TRANSFORM_IDENTITY, 14,
  49, BROTLI_TRANSFORM_OMIT_FIRST_3, 49,
  49, BROTLI_TRANSFORM_OMIT_LAST_2, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 15,
  49, BROTLI_TRANSFORM_IDENTITY, 16,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 12,
   5, BROTLI_TRANSFORM_IDENTITY, 49,
   0, BROTLI_TRANSFORM_IDENTITY, 1,
  49, BROTLI_TRANSFORM_OMIT_FIRST_4, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 18,
  49, BROTLI_TRANSFORM_IDENTITY, 17,
  49, BROTLI_TRANSFORM_IDENTITY, 19,
  49, BROTLI_TRANSFORM_IDENTITY, 20,
  49, BROTLI_TRANSFORM_OMIT_FIRST_5, 49,
  49, BROTLI_TRANSFORM_OMIT_FIRST_6, 49,
  47, BROTLI_TRANSFORM_IDENTITY, 49,
  49, BROTLI_TRANSFORM_OMIT_LAST_4, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 22,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 23,
  49, BROTLI_TRANSFORM_IDENTITY, 24,
  49, BROTLI_TRANSFORM_IDENTITY, 25,
  49, BROTLI_TRANSFORM_OMIT_LAST_7, 49,
  49, BROTLI_TRANSFORM_OMIT_LAST_1, 26,
  49, BROTLI_TRANSFORM_IDENTITY, 27,
  49, BROTLI_TRANSFORM_IDENTITY, 28,
   0, BROTLI_TRANSFORM_IDENTITY, 12,
  49, BROTLI_TRANSFORM_IDENTITY, 29,
  49, BROTLI_TRANSFORM_OMIT_FIRST_9, 49,
  49, BROTLI_TRANSFORM_OMIT_FIRST_7, 49,
  49, BROTLI_TRANSFORM_OMIT_LAST_6, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 21,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 1,
  49, BROTLI_TRANSFORM_OMIT_LAST_8, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 31,
  49, BROTLI_TRANSFORM_IDENTITY, 32,
  47, BROTLI_TRANSFORM_IDENTITY, 3,
  49, BROTLI_TRANSFORM_OMIT_LAST_5, 49,
  49, BROTLI_TRANSFORM_OMIT_LAST_9, 49,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 1,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 8,
   5, BROTLI_TRANSFORM_IDENTITY, 21,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 0,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 10,
  49, BROTLI_TRANSFORM_IDENTITY, 30,
   0, BROTLI_TRANSFORM_IDENTITY, 5,
  35, BROTLI_TRANSFORM_IDENTITY, 49,
  47, BROTLI_TRANSFORM_IDENTITY, 2,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 17,
  49, BROTLI_TRANSFORM_IDENTITY, 36,
  49, BROTLI_TRANSFORM_IDENTITY, 33,
   5, BROTLI_TRANSFORM_IDENTITY, 0,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 21,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 5,
  49, BROTLI_TRANSFORM_IDENTITY, 37,
   0, BROTLI_TRANSFORM_IDENTITY, 30,
  49, BROTLI_TRANSFORM_IDENTITY, 38,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 0,
  49, BROTLI_TRANSFORM_IDENTITY, 39,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 49,
  49, BROTLI_TRANSFORM_IDENTITY, 34,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 8,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 12,
   0, BROTLI_TRANSFORM_IDENTITY, 21,
  49, BROTLI_TRANSFORM_IDENTITY, 40,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 12,
  49, BROTLI_TRANSFORM_IDENTITY, 41,
  49, BROTLI_TRANSFORM_IDENTITY, 42,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 17,
  49, BROTLI_TRANSFORM_IDENTITY, 43,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 5,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 10,
   0, BROTLI_TRANSFORM_IDENTITY, 34,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 33,
  49, BROTLI_TRANSFORM_IDENTITY, 44,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 5,
  45, BROTLI_TRANSFORM_IDENTITY, 49,
   0, BROTLI_TRANSFORM_IDENTITY, 33,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 30,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 30,
  49, BROTLI_TRANSFORM_IDENTITY, 46,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 1,
  49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 33,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 30,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 1,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 33,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 21,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 12,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 5,
  49, BROTLI_TRANSFORM_UPPERCASE_ALL, 34,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 12,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 30,
   0, BROTLI_TRANSFORM_UPPERCASE_ALL, 34,
   0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34,
};

static BrotliTransforms kBrotliTransforms = {
  sizeof(kPrefixSuffix),
  (const uint8_t*)kPrefixSuffix,
  kPrefixSuffixMap,
  sizeof(kTransformsData) / (3 * sizeof(kTransformsData[0])),
  kTransformsData,
  {0, 12, 27, 23, 42, 63, 56, 48, 59, 64}
};

const BrotliTransforms* BrotliGetTransforms(void) {
  return &kBrotliTransforms;
}

static int ToUpperCase(uint8_t* p) {
  if (p[0] < 0xC0) {
    if (p[0] >= 'a' && p[0] <= 'z') {
      p[0] ^= 32;
    }
    return 1;
  }
  /* An overly simplified uppercasing model for UTF-8. */
  if (p[0] < 0xE0) {
    p[1] ^= 32;
    return 2;
  }
  /* An arbitrary transform for three byte characters. */
  p[2] ^= 5;
  return 3;
}

int BrotliTransformDictionaryWord(uint8_t* dst, const uint8_t* word, int len,
    const BrotliTransforms* transforms, int transfom_idx) {
  int idx = 0;
  const uint8_t* prefix = BROTLI_TRANSFORM_PREFIX(transforms, transfom_idx);
  uint8_t type = BROTLI_TRANSFORM_TYPE(transforms, transfom_idx);
  const uint8_t* suffix = BROTLI_TRANSFORM_SUFFIX(transforms, transfom_idx);
  {
    int prefix_len = *prefix++;
    while (prefix_len--) { dst[idx++] = *prefix++; }
  }
  {
    const int t = type;
    int i = 0;
    if (t <= BROTLI_TRANSFORM_OMIT_LAST_9) {
      len -= t;
    } else if (t >= BROTLI_TRANSFORM_OMIT_FIRST_1
        && t <= BROTLI_TRANSFORM_OMIT_FIRST_9) {
      int skip = t - (BROTLI_TRANSFORM_OMIT_FIRST_1 - 1);
      word += skip;
      len -= skip;
    }
    while (i < len) { dst[idx++] = word[i++]; }
    if (t == BROTLI_TRANSFORM_UPPERCASE_FIRST) {
      ToUpperCase(&dst[idx - len]);
    } else if (t == BROTLI_TRANSFORM_UPPERCASE_ALL) {
      uint8_t* uppercase = &dst[idx - len];
      while (len > 0) {
        int step = ToUpperCase(uppercase);
        uppercase += step;
        len -= step;
      }
    }
  }
  {
    int suffix_len = *suffix++;
    while (suffix_len--) { dst[idx++] = *suffix++; }
    return idx;
  }
}

#if defined(__cplusplus) || defined(c_plusplus)
}  /* extern "C" */
#endif

Coverage Report

Created: 2018-09-25 14:53

Line	Count	Source (jump to first uncovered line)
1		/* Copyright 2013 Google Inc. All Rights Reserved.
2
3		Distributed under MIT license.
4		See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
5		*/
6
7		#include "./transform.h"
8
9		#if defined(__cplusplus) \|\| defined(c_plusplus)
10		extern "C" {
11		#endif
12
13		/* RFC 7932 transforms string data */
14		static const char kPrefixSuffix[217] =
15		"\1 \2, \10 of the \4 of \2s \1.\5 and \4 "
16		/* 0x _0 _2 __5 _E _3 _6 _8 _E */
17		"in \1\"\4 to \2\">\1\n\2. \1]\5 for \3 a \6 "
18		/* 2x _3_ _5 _A_ _D_ _F _2 _4 _A _E */
19		"that \1\'\6 with \6 from \4 by \1(\6. T"
20		/* 4x _5_ _7 _E _5 _A _C */
21		"he \4 on \4 as \4 is \4ing \2\n\t\1:\3ed "
22		/* 6x _3 _8 _D _2 _7_ _ _A _C */
23		"\2=\"\4 at \3ly \1,\2=\'\5.com/\7. This \5"
24		/* 8x _0 _ _3 _8 _C _E _ _1 _7 _F */
25		" not \3er \3al \4ful \4ive \5less \4es"
26		/* Ax _5 _9 _D _2 _7 _D */
27		"t \4ize \2\xc2\xa0\4ous \5 the \2e \0";
28		/* Cx _2 _7___ ___ _A _F _5 _8 */
29
30		static const uint16_t kPrefixSuffixMap[50] = {
31		0x00, 0x02, 0x05, 0x0E, 0x13, 0x16, 0x18, 0x1E, 0x23, 0x25,
32		0x2A, 0x2D, 0x2F, 0x32, 0x34, 0x3A, 0x3E, 0x45, 0x47, 0x4E,
33		0x55, 0x5A, 0x5C, 0x63, 0x68, 0x6D, 0x72, 0x77, 0x7A, 0x7C,
34		0x80, 0x83, 0x88, 0x8C, 0x8E, 0x91, 0x97, 0x9F, 0xA5, 0xA9,
35		0xAD, 0xB2, 0xB7, 0xBD, 0xC2, 0xC7, 0xCA, 0xCF, 0xD5, 0xD8
36		};
37
38		/* RFC 7932 transforms */
39		static const uint8_t kTransformsData[] = {
40		49, BROTLI_TRANSFORM_IDENTITY, 49,
41		49, BROTLI_TRANSFORM_IDENTITY, 0,
42		0, BROTLI_TRANSFORM_IDENTITY, 0,
43		49, BROTLI_TRANSFORM_OMIT_FIRST_1, 49,
44		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 0,
45		49, BROTLI_TRANSFORM_IDENTITY, 47,
46		0, BROTLI_TRANSFORM_IDENTITY, 49,
47		4, BROTLI_TRANSFORM_IDENTITY, 0,
48		49, BROTLI_TRANSFORM_IDENTITY, 3,
49		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 49,
50		49, BROTLI_TRANSFORM_IDENTITY, 6,
51		49, BROTLI_TRANSFORM_OMIT_FIRST_2, 49,
52		49, BROTLI_TRANSFORM_OMIT_LAST_1, 49,
53		1, BROTLI_TRANSFORM_IDENTITY, 0,
54		49, BROTLI_TRANSFORM_IDENTITY, 1,
55		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 0,
56		49, BROTLI_TRANSFORM_IDENTITY, 7,
57		49, BROTLI_TRANSFORM_IDENTITY, 9,
58		48, BROTLI_TRANSFORM_IDENTITY, 0,
59		49, BROTLI_TRANSFORM_IDENTITY, 8,
60		49, BROTLI_TRANSFORM_IDENTITY, 5,
61		49, BROTLI_TRANSFORM_IDENTITY, 10,
62		49, BROTLI_TRANSFORM_IDENTITY, 11,
63		49, BROTLI_TRANSFORM_OMIT_LAST_3, 49,
64		49, BROTLI_TRANSFORM_IDENTITY, 13,
65		49, BROTLI_TRANSFORM_IDENTITY, 14,
66		49, BROTLI_TRANSFORM_OMIT_FIRST_3, 49,
67		49, BROTLI_TRANSFORM_OMIT_LAST_2, 49,
68		49, BROTLI_TRANSFORM_IDENTITY, 15,
69		49, BROTLI_TRANSFORM_IDENTITY, 16,
70		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 49,
71		49, BROTLI_TRANSFORM_IDENTITY, 12,
72		5, BROTLI_TRANSFORM_IDENTITY, 49,
73		0, BROTLI_TRANSFORM_IDENTITY, 1,
74		49, BROTLI_TRANSFORM_OMIT_FIRST_4, 49,
75		49, BROTLI_TRANSFORM_IDENTITY, 18,
76		49, BROTLI_TRANSFORM_IDENTITY, 17,
77		49, BROTLI_TRANSFORM_IDENTITY, 19,
78		49, BROTLI_TRANSFORM_IDENTITY, 20,
79		49, BROTLI_TRANSFORM_OMIT_FIRST_5, 49,
80		49, BROTLI_TRANSFORM_OMIT_FIRST_6, 49,
81		47, BROTLI_TRANSFORM_IDENTITY, 49,
82		49, BROTLI_TRANSFORM_OMIT_LAST_4, 49,
83		49, BROTLI_TRANSFORM_IDENTITY, 22,
84		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 49,
85		49, BROTLI_TRANSFORM_IDENTITY, 23,
86		49, BROTLI_TRANSFORM_IDENTITY, 24,
87		49, BROTLI_TRANSFORM_IDENTITY, 25,
88		49, BROTLI_TRANSFORM_OMIT_LAST_7, 49,
89		49, BROTLI_TRANSFORM_OMIT_LAST_1, 26,
90		49, BROTLI_TRANSFORM_IDENTITY, 27,
91		49, BROTLI_TRANSFORM_IDENTITY, 28,
92		0, BROTLI_TRANSFORM_IDENTITY, 12,
93		49, BROTLI_TRANSFORM_IDENTITY, 29,
94		49, BROTLI_TRANSFORM_OMIT_FIRST_9, 49,
95		49, BROTLI_TRANSFORM_OMIT_FIRST_7, 49,
96		49, BROTLI_TRANSFORM_OMIT_LAST_6, 49,
97		49, BROTLI_TRANSFORM_IDENTITY, 21,
98		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 1,
99		49, BROTLI_TRANSFORM_OMIT_LAST_8, 49,
100		49, BROTLI_TRANSFORM_IDENTITY, 31,
101		49, BROTLI_TRANSFORM_IDENTITY, 32,
102		47, BROTLI_TRANSFORM_IDENTITY, 3,
103		49, BROTLI_TRANSFORM_OMIT_LAST_5, 49,
104		49, BROTLI_TRANSFORM_OMIT_LAST_9, 49,
105		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 1,
106		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 8,
107		5, BROTLI_TRANSFORM_IDENTITY, 21,
108		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 0,
109		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 10,
110		49, BROTLI_TRANSFORM_IDENTITY, 30,
111		0, BROTLI_TRANSFORM_IDENTITY, 5,
112		35, BROTLI_TRANSFORM_IDENTITY, 49,
113		47, BROTLI_TRANSFORM_IDENTITY, 2,
114		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 17,
115		49, BROTLI_TRANSFORM_IDENTITY, 36,
116		49, BROTLI_TRANSFORM_IDENTITY, 33,
117		5, BROTLI_TRANSFORM_IDENTITY, 0,
118		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 21,
119		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 5,
120		49, BROTLI_TRANSFORM_IDENTITY, 37,
121		0, BROTLI_TRANSFORM_IDENTITY, 30,
122		49, BROTLI_TRANSFORM_IDENTITY, 38,
123		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 0,
124		49, BROTLI_TRANSFORM_IDENTITY, 39,
125		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 49,
126		49, BROTLI_TRANSFORM_IDENTITY, 34,
127		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 8,
128		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 12,
129		0, BROTLI_TRANSFORM_IDENTITY, 21,
130		49, BROTLI_TRANSFORM_IDENTITY, 40,
131		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 12,
132		49, BROTLI_TRANSFORM_IDENTITY, 41,
133		49, BROTLI_TRANSFORM_IDENTITY, 42,
134		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 17,
135		49, BROTLI_TRANSFORM_IDENTITY, 43,
136		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 5,
137		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 10,
138		0, BROTLI_TRANSFORM_IDENTITY, 34,
139		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 33,
140		49, BROTLI_TRANSFORM_IDENTITY, 44,
141		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 5,
142		45, BROTLI_TRANSFORM_IDENTITY, 49,
143		0, BROTLI_TRANSFORM_IDENTITY, 33,
144		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 30,
145		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 30,
146		49, BROTLI_TRANSFORM_IDENTITY, 46,
147		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 1,
148		49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34,
149		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 33,
150		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 30,
151		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 1,
152		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 33,
153		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 21,
154		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 12,
155		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 5,
156		49, BROTLI_TRANSFORM_UPPERCASE_ALL, 34,
157		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 12,
158		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 30,
159		0, BROTLI_TRANSFORM_UPPERCASE_ALL, 34,
160		0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34,
161		};
162
163		static BrotliTransforms kBrotliTransforms = {
164		sizeof(kPrefixSuffix),
165		(const uint8_t*)kPrefixSuffix,
166		kPrefixSuffixMap,
167		sizeof(kTransformsData) / (3 * sizeof(kTransformsData[0])),
168		kTransformsData,
169		{0, 12, 27, 23, 42, 63, 56, 48, 59, 64}
170		};
171
172	0	const BrotliTransforms* BrotliGetTransforms(void) {
173	0	return &kBrotliTransforms;
174	0	}
175
176	0	static int ToUpperCase(uint8_t* p) {
177	0	if (p[0] < 0xC0) {
178	0	if (p[0] >= 'a' && p[0] <= 'z') {
179	0	p[0] ^= 32;
180	0	}
181	0	return 1;
182	0	}
183	0	/* An overly simplified uppercasing model for UTF-8. */
184	0	if (p[0] < 0xE0) {
185	0	p[1] ^= 32;
186	0	return 2;
187	0	}
188	0	/* An arbitrary transform for three byte characters. */
189	0	p[2] ^= 5;
190	0	return 3;
191	0	}
192
193		int BrotliTransformDictionaryWord(uint8_t* dst, const uint8_t* word, int len,
194	0	const BrotliTransforms* transforms, int transfom_idx) {
195	0	int idx = 0;
196	0	const uint8_t* prefix = BROTLI_TRANSFORM_PREFIX(transforms, transfom_idx);
197	0	uint8_t type = BROTLI_TRANSFORM_TYPE(transforms, transfom_idx);
198	0	const uint8_t* suffix = BROTLI_TRANSFORM_SUFFIX(transforms, transfom_idx);
199	0	{
200	0	int prefix_len = *prefix++;
201	0	while (prefix_len--) { dst[idx++] = *prefix++; }
202	0	}
203	0	{
204	0	const int t = type;
205	0	int i = 0;
206	0	if (t <= BROTLI_TRANSFORM_OMIT_LAST_9) {
207	0	len -= t;
208	0	} else if (t >= BROTLI_TRANSFORM_OMIT_FIRST_1
209	0	&& t <= BROTLI_TRANSFORM_OMIT_FIRST_9) {
210	0	int skip = t - (BROTLI_TRANSFORM_OMIT_FIRST_1 - 1);
211	0	word += skip;
212	0	len -= skip;
213	0	}
214	0	while (i < len) { dst[idx++] = word[i++]; }
215	0	if (t == BROTLI_TRANSFORM_UPPERCASE_FIRST) {
216	0	ToUpperCase(&dst[idx - len]);
217	0	} else if (t == BROTLI_TRANSFORM_UPPERCASE_ALL) {
218	0	uint8_t* uppercase = &dst[idx - len];
219	0	while (len > 0) {
220	0	int step = ToUpperCase(uppercase);
221	0	uppercase += step;
222	0	len -= step;
223	0	}
224	0	}
225	0	}
226	0	{
227	0	int suffix_len = *suffix++;
228	0	while (suffix_len--) { dst[idx++] = *suffix++; }
229	0	return idx;
230	0	}
231	0	}
232
233		#if defined(__cplusplus) \|\| defined(c_plusplus)
234		} /* extern "C" */
235		#endif