epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2006 The Android Open Source Project |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #include "SkString.h" |
| 11 | #include "SkFixed.h" |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 12 | #include "SkThread.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 13 | #include "SkUtils.h" |
| 14 | #include <stdarg.h> |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 15 | #include <stdio.h> |
| 16 | |
| 17 | // number of bytes (on the stack) to receive the printf result |
| 18 | static const size_t kBufferSize = 256; |
| 19 | |
| 20 | #ifdef SK_BUILD_FOR_WIN |
tomhudson@google.com | 47e0a09 | 2011-07-08 17:49:22 +0000 | [diff] [blame] | 21 | #define VSNPRINTF(buffer, size, format, args) \ |
| 22 | _vsnprintf_s(buffer, size, _TRUNCATE, format, args) |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 23 | #define SNPRINTF _snprintf |
| 24 | #else |
| 25 | #define VSNPRINTF vsnprintf |
| 26 | #define SNPRINTF snprintf |
| 27 | #endif |
| 28 | |
| 29 | #define ARGS_TO_BUFFER(format, buffer, size) \ |
| 30 | do { \ |
| 31 | va_list args; \ |
| 32 | va_start(args, format); \ |
| 33 | VSNPRINTF(buffer, size, format, args); \ |
| 34 | va_end(args); \ |
| 35 | } while (0) |
| 36 | |
| 37 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 38 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 39 | bool SkStrStartsWith(const char string[], const char prefix[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 40 | SkASSERT(string); |
| 41 | SkASSERT(prefix); |
| 42 | return !strncmp(string, prefix, strlen(prefix)); |
| 43 | } |
| 44 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 45 | bool SkStrEndsWith(const char string[], const char suffix[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 46 | SkASSERT(string); |
| 47 | SkASSERT(suffix); |
| 48 | size_t strLen = strlen(string); |
| 49 | size_t suffixLen = strlen(suffix); |
| 50 | return strLen >= suffixLen && |
| 51 | !strncmp(string + strLen - suffixLen, suffix, suffixLen); |
| 52 | } |
| 53 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 54 | int SkStrStartsWithOneOf(const char string[], const char prefixes[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 55 | int index = 0; |
| 56 | do { |
| 57 | const char* limit = strchr(prefixes, '\0'); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 58 | if (!strncmp(string, prefixes, limit - prefixes)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 59 | return index; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 60 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 61 | prefixes = limit + 1; |
| 62 | index++; |
| 63 | } while (prefixes[0]); |
| 64 | return -1; |
| 65 | } |
| 66 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 67 | char* SkStrAppendS32(char string[], int32_t dec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 68 | SkDEBUGCODE(char* start = string;) |
| 69 | |
| 70 | char buffer[SkStrAppendS32_MaxSize]; |
| 71 | char* p = buffer + sizeof(buffer); |
| 72 | bool neg = false; |
| 73 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 74 | if (dec < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 75 | neg = true; |
| 76 | dec = -dec; |
| 77 | } |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 78 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 79 | do { |
| 80 | *--p = SkToU8('0' + dec % 10); |
| 81 | dec /= 10; |
| 82 | } while (dec != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 83 | |
| 84 | if (neg) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 85 | *--p = '-'; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 86 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 87 | |
| 88 | SkASSERT(p >= buffer); |
| 89 | char* stop = buffer + sizeof(buffer); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 90 | while (p < stop) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 91 | *string++ = *p++; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 92 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 93 | SkASSERT(string - start <= SkStrAppendS32_MaxSize); |
| 94 | return string; |
| 95 | } |
| 96 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 97 | char* SkStrAppendS64(char string[], int64_t dec, int minDigits) { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 98 | SkDEBUGCODE(char* start = string;) |
| 99 | |
| 100 | char buffer[SkStrAppendS64_MaxSize]; |
| 101 | char* p = buffer + sizeof(buffer); |
| 102 | bool neg = false; |
| 103 | |
| 104 | if (dec < 0) { |
| 105 | neg = true; |
| 106 | dec = -dec; |
| 107 | } |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 108 | |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 109 | do { |
| 110 | *--p = SkToU8('0' + dec % 10); |
| 111 | dec /= 10; |
| 112 | minDigits--; |
| 113 | } while (dec != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 114 | |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 115 | while (minDigits > 0) { |
| 116 | *--p = '0'; |
| 117 | minDigits--; |
| 118 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 119 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 120 | if (neg) { |
| 121 | *--p = '-'; |
| 122 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 123 | SkASSERT(p >= buffer); |
| 124 | size_t cp_len = buffer + sizeof(buffer) - p; |
| 125 | memcpy(string, p, cp_len); |
| 126 | string += cp_len; |
| 127 | |
| 128 | SkASSERT(string - start <= SkStrAppendS64_MaxSize); |
| 129 | return string; |
| 130 | } |
| 131 | |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 132 | #ifdef SK_CAN_USE_FLOAT |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 133 | char* SkStrAppendFloat(char string[], float value) { |
reed@google.com | 8072e4f | 2011-03-01 15:44:08 +0000 | [diff] [blame] | 134 | // since floats have at most 8 significant digits, we limit our %g to that. |
| 135 | static const char gFormat[] = "%.8g"; |
| 136 | // make it 1 larger for the terminating 0 |
| 137 | char buffer[SkStrAppendScalar_MaxSize + 1]; |
| 138 | int len = SNPRINTF(buffer, sizeof(buffer), gFormat, value); |
| 139 | memcpy(string, buffer, len); |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 140 | SkASSERT(len <= SkStrAppendScalar_MaxSize); |
reed@google.com | 8072e4f | 2011-03-01 15:44:08 +0000 | [diff] [blame] | 141 | return string + len; |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 142 | } |
| 143 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 144 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 145 | char* SkStrAppendFixed(char string[], SkFixed x) { |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 146 | SkDEBUGCODE(char* start = string;) |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 147 | if (x < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 148 | *string++ = '-'; |
| 149 | x = -x; |
| 150 | } |
| 151 | |
| 152 | unsigned frac = x & 0xFFFF; |
| 153 | x >>= 16; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 154 | if (frac == 0xFFFF) { |
| 155 | // need to do this to "round up", since 65535/65536 is closer to 1 than to .9999 |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 156 | x += 1; |
| 157 | frac = 0; |
| 158 | } |
| 159 | string = SkStrAppendS32(string, x); |
| 160 | |
| 161 | // now handle the fractional part (if any) |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 162 | if (frac) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 163 | static const uint16_t gTens[] = { 1000, 100, 10, 1 }; |
| 164 | const uint16_t* tens = gTens; |
| 165 | |
| 166 | x = SkFixedRound(frac * 10000); |
| 167 | SkASSERT(x <= 10000); |
| 168 | if (x == 10000) { |
| 169 | x -= 1; |
| 170 | } |
| 171 | *string++ = '.'; |
| 172 | do { |
| 173 | unsigned powerOfTen = *tens++; |
| 174 | *string++ = SkToU8('0' + x / powerOfTen); |
| 175 | x %= powerOfTen; |
| 176 | } while (x != 0); |
| 177 | } |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 178 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 179 | SkASSERT(string - start <= SkStrAppendScalar_MaxSize); |
| 180 | return string; |
| 181 | } |
| 182 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 183 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 184 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 185 | // the 3 values are [length] [refcnt] [terminating zero data] |
| 186 | const SkString::Rec SkString::gEmptyRec = { 0, 0, 0 }; |
| 187 | |
| 188 | #define SizeOfRec() (gEmptyRec.data() - (const char*)&gEmptyRec) |
| 189 | |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 190 | SkString::Rec* SkString::AllocRec(const char text[], size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 191 | Rec* rec; |
| 192 | |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 193 | if (0 == len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 194 | rec = const_cast<Rec*>(&gEmptyRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 195 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 196 | // add 1 for terminating 0, then align4 so we can have some slop when growing the string |
| 197 | rec = (Rec*)sk_malloc_throw(SizeOfRec() + SkAlign4(len + 1)); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 198 | rec->fLength = len; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 199 | rec->fRefCnt = 1; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 200 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 201 | memcpy(rec->data(), text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 202 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 203 | rec->data()[len] = 0; |
| 204 | } |
| 205 | return rec; |
| 206 | } |
| 207 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 208 | SkString::Rec* SkString::RefRec(Rec* src) { |
| 209 | if (src != &gEmptyRec) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 210 | sk_atomic_inc(&src->fRefCnt); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 211 | } |
| 212 | return src; |
| 213 | } |
| 214 | |
| 215 | #ifdef SK_DEBUG |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 216 | void SkString::validate() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 217 | // make sure know one has written over our global |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 218 | SkASSERT(0 == gEmptyRec.fLength); |
| 219 | SkASSERT(0 == gEmptyRec.fRefCnt); |
| 220 | SkASSERT(0 == gEmptyRec.data()[0]); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 221 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 222 | if (fRec != &gEmptyRec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 223 | SkASSERT(fRec->fLength > 0); |
| 224 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 225 | SkASSERT(0 == fRec->data()[fRec->fLength]); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 226 | } |
| 227 | SkASSERT(fStr == c_str()); |
| 228 | } |
| 229 | #endif |
| 230 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 231 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 232 | |
| 233 | SkString::SkString() : fRec(const_cast<Rec*>(&gEmptyRec)) { |
| 234 | #ifdef SK_DEBUG |
| 235 | fStr = fRec->data(); |
| 236 | #endif |
| 237 | } |
| 238 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 239 | SkString::SkString(size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 240 | SkASSERT(SkToU16(len) == len); // can't handle larger than 64K |
| 241 | |
| 242 | fRec = AllocRec(NULL, (U16CPU)len); |
| 243 | #ifdef SK_DEBUG |
| 244 | fStr = fRec->data(); |
| 245 | #endif |
| 246 | } |
| 247 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 248 | SkString::SkString(const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 249 | size_t len = text ? strlen(text) : 0; |
| 250 | |
| 251 | fRec = AllocRec(text, (U16CPU)len); |
| 252 | #ifdef SK_DEBUG |
| 253 | fStr = fRec->data(); |
| 254 | #endif |
| 255 | } |
| 256 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 257 | SkString::SkString(const char text[], size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 258 | fRec = AllocRec(text, (U16CPU)len); |
| 259 | #ifdef SK_DEBUG |
| 260 | fStr = fRec->data(); |
| 261 | #endif |
| 262 | } |
| 263 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 264 | SkString::SkString(const SkString& src) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 265 | src.validate(); |
| 266 | |
| 267 | fRec = RefRec(src.fRec); |
| 268 | #ifdef SK_DEBUG |
| 269 | fStr = fRec->data(); |
| 270 | #endif |
| 271 | } |
| 272 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 273 | SkString::~SkString() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 274 | this->validate(); |
| 275 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 276 | if (fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 277 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 278 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 279 | sk_free(fRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 280 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 281 | } |
| 282 | } |
| 283 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 284 | bool SkString::equals(const SkString& src) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 285 | return fRec == src.fRec || this->equals(src.c_str(), src.size()); |
| 286 | } |
| 287 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 288 | bool SkString::equals(const char text[]) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 289 | return this->equals(text, text ? strlen(text) : 0); |
| 290 | } |
| 291 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 292 | bool SkString::equals(const char text[], size_t len) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 293 | SkASSERT(len == 0 || text != NULL); |
| 294 | |
| 295 | return fRec->fLength == len && !memcmp(fRec->data(), text, len); |
| 296 | } |
| 297 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 298 | SkString& SkString::operator=(const SkString& src) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 299 | this->validate(); |
| 300 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 301 | if (fRec != src.fRec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 302 | SkString tmp(src); |
| 303 | this->swap(tmp); |
| 304 | } |
| 305 | return *this; |
| 306 | } |
| 307 | |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 308 | SkString& SkString::operator=(const char text[]) { |
| 309 | this->validate(); |
| 310 | |
| 311 | SkString tmp(text); |
| 312 | this->swap(tmp); |
| 313 | |
| 314 | return *this; |
| 315 | } |
| 316 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 317 | void SkString::reset() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 318 | this->validate(); |
| 319 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 320 | if (fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 321 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 322 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 323 | sk_free(fRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 324 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | fRec = const_cast<Rec*>(&gEmptyRec); |
| 328 | #ifdef SK_DEBUG |
| 329 | fStr = fRec->data(); |
| 330 | #endif |
| 331 | } |
| 332 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 333 | char* SkString::writable_str() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 334 | this->validate(); |
| 335 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 336 | if (fRec->fLength) { |
| 337 | if (fRec->fRefCnt > 1) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 338 | Rec* rec = AllocRec(fRec->data(), fRec->fLength); |
| 339 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
| 340 | // In this case after our check of fRecCnt > 1, we suddenly |
| 341 | // did become the only owner, so now we have two copies of the |
| 342 | // data (fRec and rec), so we need to delete one of them. |
| 343 | sk_free(fRec); |
| 344 | } |
| 345 | fRec = rec; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 346 | #ifdef SK_DEBUG |
| 347 | fStr = fRec->data(); |
| 348 | #endif |
| 349 | } |
| 350 | } |
| 351 | return fRec->data(); |
| 352 | } |
| 353 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 354 | void SkString::set(const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 355 | this->set(text, text ? strlen(text) : 0); |
| 356 | } |
| 357 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 358 | void SkString::set(const char text[], size_t len) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 359 | if (0 == len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 360 | this->reset(); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 361 | } else if (1 == fRec->fRefCnt && len <= fRec->fLength) { |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 362 | // should we resize if len <<<< fLength, to save RAM? (e.g. len < (fLength>>1))? |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 363 | // just use less of the buffer without allocating a smaller one |
| 364 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 365 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 366 | memcpy(p, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 367 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 368 | p[len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 369 | fRec->fLength = len; |
| 370 | } else if (1 == fRec->fRefCnt && (fRec->fLength >> 2) == (len >> 2)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 371 | // we have spare room in the current allocation, so don't alloc a larger one |
| 372 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 373 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 374 | memcpy(p, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 375 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 376 | p[len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 377 | fRec->fLength = len; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 378 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 379 | SkString tmp(text, len); |
| 380 | this->swap(tmp); |
| 381 | } |
| 382 | } |
| 383 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 384 | void SkString::setUTF16(const uint16_t src[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 385 | int count = 0; |
| 386 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 387 | while (src[count]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 388 | count += 1; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 389 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 390 | setUTF16(src, count); |
| 391 | } |
| 392 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 393 | void SkString::setUTF16(const uint16_t src[], size_t count) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 394 | if (0 == count) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 395 | this->reset(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 396 | } else if (count <= fRec->fLength) { |
| 397 | // should we resize if len <<<< fLength, to save RAM? (e.g. len < (fLength>>1)) |
| 398 | if (count < fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 399 | this->resize(count); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 400 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 401 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 402 | for (size_t i = 0; i < count; i++) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 403 | p[i] = SkToU8(src[i]); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 404 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 405 | p[count] = 0; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 406 | } else { |
| 407 | SkString tmp(count); // puts a null terminator at the end of the string |
| 408 | char* p = tmp.writable_str(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 409 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 410 | for (size_t i = 0; i < count; i++) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 411 | p[i] = SkToU8(src[i]); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 412 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 413 | this->swap(tmp); |
| 414 | } |
| 415 | } |
| 416 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 417 | void SkString::insert(size_t offset, const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 418 | this->insert(offset, text, text ? strlen(text) : 0); |
| 419 | } |
| 420 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 421 | void SkString::insert(size_t offset, const char text[], size_t len) { |
| 422 | if (len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 423 | size_t length = fRec->fLength; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 424 | if (offset > length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 425 | offset = length; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 426 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 427 | |
| 428 | /* If we're the only owner, and we have room in our allocation for the insert, |
| 429 | do it in place, rather than allocating a new buffer. |
| 430 | |
| 431 | To know we have room, compare the allocated sizes |
| 432 | beforeAlloc = SkAlign4(length + 1) |
| 433 | afterAlloc = SkAligh4(length + 1 + len) |
| 434 | but SkAlign4(x) is (x + 3) >> 2 << 2 |
| 435 | which is equivalent for testing to (length + 1 + 3) >> 2 == (length + 1 + 3 + len) >> 2 |
| 436 | and we can then eliminate the +1+3 since that doesn't affec the answer |
| 437 | */ |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 438 | if (1 == fRec->fRefCnt && (length >> 2) == ((length + len) >> 2)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 439 | char* dst = this->writable_str(); |
| 440 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 441 | if (offset < length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 442 | memmove(dst + offset + len, dst + offset, length - offset); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 443 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 444 | memcpy(dst + offset, text, len); |
| 445 | |
| 446 | dst[length + len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame^] | 447 | fRec->fLength = length + len; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 448 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 449 | /* Seems we should use realloc here, since that is safe if it fails |
| 450 | (we have the original data), and might be faster than alloc/copy/free. |
| 451 | */ |
| 452 | SkString tmp(fRec->fLength + len); |
| 453 | char* dst = tmp.writable_str(); |
| 454 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 455 | if (offset > 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 456 | memcpy(dst, fRec->data(), offset); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 457 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 458 | memcpy(dst + offset, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 459 | if (offset < fRec->fLength) { |
| 460 | memcpy(dst + offset + len, fRec->data() + offset, |
| 461 | fRec->fLength - offset); |
| 462 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 463 | |
| 464 | this->swap(tmp); |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 469 | void SkString::insertUnichar(size_t offset, SkUnichar uni) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 470 | char buffer[kMaxBytesInUTF8Sequence]; |
| 471 | size_t len = SkUTF8_FromUnichar(uni, buffer); |
| 472 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 473 | if (len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 474 | this->insert(offset, buffer, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 475 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 476 | } |
| 477 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 478 | void SkString::insertS32(size_t offset, int32_t dec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 479 | char buffer[SkStrAppendS32_MaxSize]; |
| 480 | char* stop = SkStrAppendS32(buffer, dec); |
| 481 | this->insert(offset, buffer, stop - buffer); |
| 482 | } |
| 483 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 484 | void SkString::insertS64(size_t offset, int64_t dec, int minDigits) { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 485 | char buffer[SkStrAppendS64_MaxSize]; |
| 486 | char* stop = SkStrAppendS64(buffer, dec, minDigits); |
| 487 | this->insert(offset, buffer, stop - buffer); |
| 488 | } |
| 489 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 490 | void SkString::insertHex(size_t offset, uint32_t hex, int minDigits) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 491 | minDigits = SkPin32(minDigits, 0, 8); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 492 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 493 | static const char gHex[] = "0123456789ABCDEF"; |
| 494 | |
| 495 | char buffer[8]; |
| 496 | char* p = buffer + sizeof(buffer); |
| 497 | |
| 498 | do { |
| 499 | *--p = gHex[hex & 0xF]; |
| 500 | hex >>= 4; |
| 501 | minDigits -= 1; |
| 502 | } while (hex != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 503 | |
| 504 | while (--minDigits >= 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 505 | *--p = '0'; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 506 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 507 | |
| 508 | SkASSERT(p >= buffer); |
| 509 | this->insert(offset, p, buffer + sizeof(buffer) - p); |
| 510 | } |
| 511 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 512 | void SkString::insertScalar(size_t offset, SkScalar value) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 513 | char buffer[SkStrAppendScalar_MaxSize]; |
| 514 | char* stop = SkStrAppendScalar(buffer, value); |
| 515 | this->insert(offset, buffer, stop - buffer); |
| 516 | } |
| 517 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 518 | void SkString::printf(const char format[], ...) { |
| 519 | char buffer[kBufferSize]; |
| 520 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
| 521 | |
| 522 | this->set(buffer, strlen(buffer)); |
| 523 | } |
| 524 | |
| 525 | void SkString::appendf(const char format[], ...) { |
| 526 | char buffer[kBufferSize]; |
| 527 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 528 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 529 | this->append(buffer, strlen(buffer)); |
| 530 | } |
| 531 | |
| 532 | void SkString::prependf(const char format[], ...) { |
| 533 | char buffer[kBufferSize]; |
| 534 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 535 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 536 | this->prepend(buffer, strlen(buffer)); |
| 537 | } |
| 538 | |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 539 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 540 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 541 | void SkString::remove(size_t offset, size_t length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 542 | size_t size = this->size(); |
| 543 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 544 | if (offset < size) { |
| 545 | if (offset + length > size) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 546 | length = size - offset; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 547 | } |
| 548 | if (length > 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 549 | SkASSERT(size > length); |
| 550 | SkString tmp(size - length); |
| 551 | char* dst = tmp.writable_str(); |
| 552 | const char* src = this->c_str(); |
| 553 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 554 | if (offset) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 555 | SkASSERT(offset <= tmp.size()); |
| 556 | memcpy(dst, src, offset); |
| 557 | } |
| 558 | size_t tail = size - offset - length; |
| 559 | SkASSERT((int32_t)tail >= 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 560 | if (tail) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 561 | // SkASSERT(offset + length <= tmp.size()); |
| 562 | memcpy(dst + offset, src + offset + length, tail); |
| 563 | } |
| 564 | SkASSERT(dst[tmp.size()] == 0); |
| 565 | this->swap(tmp); |
| 566 | } |
| 567 | } |
| 568 | } |
| 569 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 570 | void SkString::swap(SkString& other) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 571 | this->validate(); |
| 572 | other.validate(); |
| 573 | |
| 574 | SkTSwap<Rec*>(fRec, other.fRec); |
| 575 | #ifdef SK_DEBUG |
| 576 | SkTSwap<const char*>(fStr, other.fStr); |
| 577 | #endif |
| 578 | } |
| 579 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 580 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 581 | |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 582 | SkAutoUCS2::SkAutoUCS2(const char utf8[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 583 | size_t len = strlen(utf8); |
| 584 | fUCS2 = (uint16_t*)sk_malloc_throw((len + 1) * sizeof(uint16_t)); |
| 585 | |
| 586 | uint16_t* dst = fUCS2; |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 587 | for (;;) { |
| 588 | SkUnichar uni = SkUTF8_NextUnichar(&utf8); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 589 | *dst++ = SkToU16(uni); |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 590 | if (uni == 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 591 | break; |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 592 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 593 | } |
| 594 | fCount = (int)(dst - fUCS2); |
| 595 | } |
| 596 | |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 597 | SkAutoUCS2::~SkAutoUCS2() { |
| 598 | sk_free(fUCS2); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 599 | } |
tomhudson@google.com | 3a1f6a0 | 2011-06-30 14:39:52 +0000 | [diff] [blame] | 600 | |
| 601 | /////////////////////////////////////////////////////////////////////////////// |
| 602 | |
| 603 | SkString SkStringPrintf(const char* format, ...) { |
| 604 | SkString formattedOutput; |
| 605 | char buffer[kBufferSize]; |
| 606 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
| 607 | formattedOutput.set(buffer); |
| 608 | return formattedOutput; |
| 609 | } |
| 610 | |
| 611 | #undef VSNPRINTF |
tomhudson@google.com | 47e0a09 | 2011-07-08 17:49:22 +0000 | [diff] [blame] | 612 | #undef SNPRINTF |
tomhudson@google.com | 3a1f6a0 | 2011-06-30 14:39:52 +0000 | [diff] [blame] | 613 | |