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 SkStrEndsWith(const char string[], const char suffix[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 40 | SkASSERT(string); |
| 41 | SkASSERT(suffix); |
| 42 | size_t strLen = strlen(string); |
| 43 | size_t suffixLen = strlen(suffix); |
| 44 | return strLen >= suffixLen && |
| 45 | !strncmp(string + strLen - suffixLen, suffix, suffixLen); |
| 46 | } |
| 47 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 48 | int SkStrStartsWithOneOf(const char string[], const char prefixes[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 49 | int index = 0; |
| 50 | do { |
| 51 | const char* limit = strchr(prefixes, '\0'); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 52 | if (!strncmp(string, prefixes, limit - prefixes)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 53 | return index; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 54 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 55 | prefixes = limit + 1; |
| 56 | index++; |
| 57 | } while (prefixes[0]); |
| 58 | return -1; |
| 59 | } |
| 60 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 61 | char* SkStrAppendS32(char string[], int32_t dec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 62 | SkDEBUGCODE(char* start = string;) |
| 63 | |
| 64 | char buffer[SkStrAppendS32_MaxSize]; |
| 65 | char* p = buffer + sizeof(buffer); |
| 66 | bool neg = false; |
| 67 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 68 | if (dec < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 69 | neg = true; |
| 70 | dec = -dec; |
| 71 | } |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 72 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 73 | do { |
| 74 | *--p = SkToU8('0' + dec % 10); |
| 75 | dec /= 10; |
| 76 | } while (dec != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 77 | |
| 78 | if (neg) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 79 | *--p = '-'; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 80 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 81 | |
| 82 | SkASSERT(p >= buffer); |
| 83 | char* stop = buffer + sizeof(buffer); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 84 | while (p < stop) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 85 | *string++ = *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 | SkASSERT(string - start <= SkStrAppendS32_MaxSize); |
| 88 | return string; |
| 89 | } |
| 90 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 91 | char* SkStrAppendS64(char string[], int64_t dec, int minDigits) { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 92 | SkDEBUGCODE(char* start = string;) |
| 93 | |
| 94 | char buffer[SkStrAppendS64_MaxSize]; |
| 95 | char* p = buffer + sizeof(buffer); |
| 96 | bool neg = false; |
| 97 | |
| 98 | if (dec < 0) { |
| 99 | neg = true; |
| 100 | dec = -dec; |
| 101 | } |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 102 | |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 103 | do { |
caryclark@google.com | 803eceb | 2012-06-06 12:09:34 +0000 | [diff] [blame^] | 104 | *--p = SkToU8('0' + (int32_t) (dec % 10)); |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 105 | dec /= 10; |
| 106 | minDigits--; |
| 107 | } while (dec != 0); |
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 | while (minDigits > 0) { |
| 110 | *--p = '0'; |
| 111 | minDigits--; |
| 112 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 113 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 114 | if (neg) { |
| 115 | *--p = '-'; |
| 116 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 117 | SkASSERT(p >= buffer); |
| 118 | size_t cp_len = buffer + sizeof(buffer) - p; |
| 119 | memcpy(string, p, cp_len); |
| 120 | string += cp_len; |
| 121 | |
| 122 | SkASSERT(string - start <= SkStrAppendS64_MaxSize); |
| 123 | return string; |
| 124 | } |
| 125 | |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 126 | #ifdef SK_CAN_USE_FLOAT |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 127 | char* SkStrAppendFloat(char string[], float value) { |
reed@google.com | 8072e4f | 2011-03-01 15:44:08 +0000 | [diff] [blame] | 128 | // since floats have at most 8 significant digits, we limit our %g to that. |
| 129 | static const char gFormat[] = "%.8g"; |
| 130 | // make it 1 larger for the terminating 0 |
| 131 | char buffer[SkStrAppendScalar_MaxSize + 1]; |
| 132 | int len = SNPRINTF(buffer, sizeof(buffer), gFormat, value); |
| 133 | memcpy(string, buffer, len); |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 134 | SkASSERT(len <= SkStrAppendScalar_MaxSize); |
reed@google.com | 8072e4f | 2011-03-01 15:44:08 +0000 | [diff] [blame] | 135 | return string + len; |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 136 | } |
| 137 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 138 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 139 | char* SkStrAppendFixed(char string[], SkFixed x) { |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 140 | SkDEBUGCODE(char* start = string;) |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 141 | if (x < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 142 | *string++ = '-'; |
| 143 | x = -x; |
| 144 | } |
| 145 | |
| 146 | unsigned frac = x & 0xFFFF; |
| 147 | x >>= 16; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 148 | if (frac == 0xFFFF) { |
| 149 | // 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] | 150 | x += 1; |
| 151 | frac = 0; |
| 152 | } |
| 153 | string = SkStrAppendS32(string, x); |
| 154 | |
| 155 | // now handle the fractional part (if any) |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 156 | if (frac) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 157 | static const uint16_t gTens[] = { 1000, 100, 10, 1 }; |
| 158 | const uint16_t* tens = gTens; |
| 159 | |
| 160 | x = SkFixedRound(frac * 10000); |
| 161 | SkASSERT(x <= 10000); |
| 162 | if (x == 10000) { |
| 163 | x -= 1; |
| 164 | } |
| 165 | *string++ = '.'; |
| 166 | do { |
| 167 | unsigned powerOfTen = *tens++; |
| 168 | *string++ = SkToU8('0' + x / powerOfTen); |
| 169 | x %= powerOfTen; |
| 170 | } while (x != 0); |
| 171 | } |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 172 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 173 | SkASSERT(string - start <= SkStrAppendScalar_MaxSize); |
| 174 | return string; |
| 175 | } |
| 176 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 177 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 178 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 179 | // the 3 values are [length] [refcnt] [terminating zero data] |
| 180 | const SkString::Rec SkString::gEmptyRec = { 0, 0, 0 }; |
| 181 | |
| 182 | #define SizeOfRec() (gEmptyRec.data() - (const char*)&gEmptyRec) |
| 183 | |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 184 | SkString::Rec* SkString::AllocRec(const char text[], size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 185 | Rec* rec; |
| 186 | |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 187 | if (0 == len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 188 | rec = const_cast<Rec*>(&gEmptyRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 189 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 190 | // add 1 for terminating 0, then align4 so we can have some slop when growing the string |
| 191 | rec = (Rec*)sk_malloc_throw(SizeOfRec() + SkAlign4(len + 1)); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 192 | rec->fLength = len; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 193 | rec->fRefCnt = 1; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 194 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 195 | memcpy(rec->data(), text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 196 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 197 | rec->data()[len] = 0; |
| 198 | } |
| 199 | return rec; |
| 200 | } |
| 201 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 202 | SkString::Rec* SkString::RefRec(Rec* src) { |
| 203 | if (src != &gEmptyRec) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 204 | sk_atomic_inc(&src->fRefCnt); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 205 | } |
| 206 | return src; |
| 207 | } |
| 208 | |
| 209 | #ifdef SK_DEBUG |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 210 | void SkString::validate() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 211 | // make sure know one has written over our global |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 212 | SkASSERT(0 == gEmptyRec.fLength); |
| 213 | SkASSERT(0 == gEmptyRec.fRefCnt); |
| 214 | SkASSERT(0 == gEmptyRec.data()[0]); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 215 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 216 | if (fRec != &gEmptyRec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 217 | SkASSERT(fRec->fLength > 0); |
| 218 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 219 | SkASSERT(0 == fRec->data()[fRec->fLength]); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 220 | } |
| 221 | SkASSERT(fStr == c_str()); |
| 222 | } |
| 223 | #endif |
| 224 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 225 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 226 | |
| 227 | SkString::SkString() : fRec(const_cast<Rec*>(&gEmptyRec)) { |
| 228 | #ifdef SK_DEBUG |
| 229 | fStr = fRec->data(); |
| 230 | #endif |
| 231 | } |
| 232 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 233 | SkString::SkString(size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 234 | SkASSERT(SkToU16(len) == len); // can't handle larger than 64K |
| 235 | |
| 236 | fRec = AllocRec(NULL, (U16CPU)len); |
| 237 | #ifdef SK_DEBUG |
| 238 | fStr = fRec->data(); |
| 239 | #endif |
| 240 | } |
| 241 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 242 | SkString::SkString(const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 243 | size_t len = text ? strlen(text) : 0; |
| 244 | |
| 245 | fRec = AllocRec(text, (U16CPU)len); |
| 246 | #ifdef SK_DEBUG |
| 247 | fStr = fRec->data(); |
| 248 | #endif |
| 249 | } |
| 250 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 251 | SkString::SkString(const char text[], size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 252 | fRec = AllocRec(text, (U16CPU)len); |
| 253 | #ifdef SK_DEBUG |
| 254 | fStr = fRec->data(); |
| 255 | #endif |
| 256 | } |
| 257 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 258 | SkString::SkString(const SkString& src) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 259 | src.validate(); |
| 260 | |
| 261 | fRec = RefRec(src.fRec); |
| 262 | #ifdef SK_DEBUG |
| 263 | fStr = fRec->data(); |
| 264 | #endif |
| 265 | } |
| 266 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 267 | SkString::~SkString() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 268 | this->validate(); |
| 269 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 270 | if (fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 271 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 272 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 273 | sk_free(fRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 274 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 275 | } |
| 276 | } |
| 277 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 278 | bool SkString::equals(const SkString& src) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 279 | return fRec == src.fRec || this->equals(src.c_str(), src.size()); |
| 280 | } |
| 281 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 282 | bool SkString::equals(const char text[]) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 283 | return this->equals(text, text ? strlen(text) : 0); |
| 284 | } |
| 285 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 286 | bool SkString::equals(const char text[], size_t len) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 287 | SkASSERT(len == 0 || text != NULL); |
| 288 | |
| 289 | return fRec->fLength == len && !memcmp(fRec->data(), text, len); |
| 290 | } |
| 291 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 292 | SkString& SkString::operator=(const SkString& src) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 293 | this->validate(); |
| 294 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 295 | if (fRec != src.fRec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 296 | SkString tmp(src); |
| 297 | this->swap(tmp); |
| 298 | } |
| 299 | return *this; |
| 300 | } |
| 301 | |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 302 | SkString& SkString::operator=(const char text[]) { |
| 303 | this->validate(); |
| 304 | |
| 305 | SkString tmp(text); |
| 306 | this->swap(tmp); |
| 307 | |
| 308 | return *this; |
| 309 | } |
| 310 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 311 | void SkString::reset() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 312 | this->validate(); |
| 313 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 314 | if (fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 315 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 316 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 317 | sk_free(fRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 318 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | fRec = const_cast<Rec*>(&gEmptyRec); |
| 322 | #ifdef SK_DEBUG |
| 323 | fStr = fRec->data(); |
| 324 | #endif |
| 325 | } |
| 326 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 327 | char* SkString::writable_str() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 328 | this->validate(); |
| 329 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 330 | if (fRec->fLength) { |
| 331 | if (fRec->fRefCnt > 1) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 332 | Rec* rec = AllocRec(fRec->data(), fRec->fLength); |
| 333 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
| 334 | // In this case after our check of fRecCnt > 1, we suddenly |
| 335 | // did become the only owner, so now we have two copies of the |
| 336 | // data (fRec and rec), so we need to delete one of them. |
| 337 | sk_free(fRec); |
| 338 | } |
| 339 | fRec = rec; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 340 | #ifdef SK_DEBUG |
| 341 | fStr = fRec->data(); |
| 342 | #endif |
| 343 | } |
| 344 | } |
| 345 | return fRec->data(); |
| 346 | } |
| 347 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 348 | void SkString::set(const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 349 | this->set(text, text ? strlen(text) : 0); |
| 350 | } |
| 351 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 352 | void SkString::set(const char text[], size_t len) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 353 | if (0 == len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 354 | this->reset(); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 355 | } else if (1 == fRec->fRefCnt && len <= fRec->fLength) { |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 356 | // 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] | 357 | // just use less of the buffer without allocating a smaller one |
| 358 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 359 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 360 | memcpy(p, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 361 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 362 | p[len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 363 | fRec->fLength = len; |
| 364 | } else if (1 == fRec->fRefCnt && (fRec->fLength >> 2) == (len >> 2)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 365 | // we have spare room in the current allocation, so don't alloc a larger one |
| 366 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 367 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 368 | memcpy(p, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 369 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 370 | p[len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 371 | fRec->fLength = len; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 372 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 373 | SkString tmp(text, len); |
| 374 | this->swap(tmp); |
| 375 | } |
| 376 | } |
| 377 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 378 | void SkString::setUTF16(const uint16_t src[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 379 | int count = 0; |
| 380 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 381 | while (src[count]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 382 | count += 1; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 383 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 384 | setUTF16(src, count); |
| 385 | } |
| 386 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 387 | void SkString::setUTF16(const uint16_t src[], size_t count) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 388 | if (0 == count) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 389 | this->reset(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 390 | } else if (count <= fRec->fLength) { |
| 391 | // should we resize if len <<<< fLength, to save RAM? (e.g. len < (fLength>>1)) |
| 392 | if (count < fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 393 | this->resize(count); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 394 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 395 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 396 | for (size_t i = 0; i < count; i++) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 397 | p[i] = SkToU8(src[i]); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 398 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 399 | p[count] = 0; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 400 | } else { |
| 401 | SkString tmp(count); // puts a null terminator at the end of the string |
| 402 | char* p = tmp.writable_str(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 403 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 404 | for (size_t i = 0; i < count; i++) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 405 | p[i] = SkToU8(src[i]); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 406 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 407 | this->swap(tmp); |
| 408 | } |
| 409 | } |
| 410 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 411 | void SkString::insert(size_t offset, const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 412 | this->insert(offset, text, text ? strlen(text) : 0); |
| 413 | } |
| 414 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 415 | void SkString::insert(size_t offset, const char text[], size_t len) { |
| 416 | if (len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 417 | size_t length = fRec->fLength; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 418 | if (offset > length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 419 | offset = length; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 420 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 421 | |
| 422 | /* If we're the only owner, and we have room in our allocation for the insert, |
| 423 | do it in place, rather than allocating a new buffer. |
| 424 | |
| 425 | To know we have room, compare the allocated sizes |
| 426 | beforeAlloc = SkAlign4(length + 1) |
| 427 | afterAlloc = SkAligh4(length + 1 + len) |
| 428 | but SkAlign4(x) is (x + 3) >> 2 << 2 |
| 429 | which is equivalent for testing to (length + 1 + 3) >> 2 == (length + 1 + 3 + len) >> 2 |
| 430 | and we can then eliminate the +1+3 since that doesn't affec the answer |
| 431 | */ |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 432 | if (1 == fRec->fRefCnt && (length >> 2) == ((length + len) >> 2)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 433 | char* dst = this->writable_str(); |
| 434 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 435 | if (offset < length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 436 | memmove(dst + offset + len, dst + offset, length - offset); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 437 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 438 | memcpy(dst + offset, text, len); |
| 439 | |
| 440 | dst[length + len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 441 | fRec->fLength = length + len; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 442 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 443 | /* Seems we should use realloc here, since that is safe if it fails |
| 444 | (we have the original data), and might be faster than alloc/copy/free. |
| 445 | */ |
| 446 | SkString tmp(fRec->fLength + len); |
| 447 | char* dst = tmp.writable_str(); |
| 448 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 449 | if (offset > 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 450 | memcpy(dst, fRec->data(), offset); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 451 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 452 | memcpy(dst + offset, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 453 | if (offset < fRec->fLength) { |
| 454 | memcpy(dst + offset + len, fRec->data() + offset, |
| 455 | fRec->fLength - offset); |
| 456 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 457 | |
| 458 | this->swap(tmp); |
| 459 | } |
| 460 | } |
| 461 | } |
| 462 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 463 | void SkString::insertUnichar(size_t offset, SkUnichar uni) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 464 | char buffer[kMaxBytesInUTF8Sequence]; |
| 465 | size_t len = SkUTF8_FromUnichar(uni, buffer); |
| 466 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 467 | if (len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 468 | this->insert(offset, buffer, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 469 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 470 | } |
| 471 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 472 | void SkString::insertS32(size_t offset, int32_t dec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 473 | char buffer[SkStrAppendS32_MaxSize]; |
| 474 | char* stop = SkStrAppendS32(buffer, dec); |
| 475 | this->insert(offset, buffer, stop - buffer); |
| 476 | } |
| 477 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 478 | void SkString::insertS64(size_t offset, int64_t dec, int minDigits) { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 479 | char buffer[SkStrAppendS64_MaxSize]; |
| 480 | char* stop = SkStrAppendS64(buffer, dec, minDigits); |
| 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::insertHex(size_t offset, uint32_t hex, int minDigits) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 485 | minDigits = SkPin32(minDigits, 0, 8); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 486 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 487 | static const char gHex[] = "0123456789ABCDEF"; |
| 488 | |
| 489 | char buffer[8]; |
| 490 | char* p = buffer + sizeof(buffer); |
| 491 | |
| 492 | do { |
| 493 | *--p = gHex[hex & 0xF]; |
| 494 | hex >>= 4; |
| 495 | minDigits -= 1; |
| 496 | } while (hex != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 497 | |
| 498 | while (--minDigits >= 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 499 | *--p = '0'; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 500 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 501 | |
| 502 | SkASSERT(p >= buffer); |
| 503 | this->insert(offset, p, buffer + sizeof(buffer) - p); |
| 504 | } |
| 505 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 506 | void SkString::insertScalar(size_t offset, SkScalar value) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 507 | char buffer[SkStrAppendScalar_MaxSize]; |
| 508 | char* stop = SkStrAppendScalar(buffer, value); |
| 509 | this->insert(offset, buffer, stop - buffer); |
| 510 | } |
| 511 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 512 | void SkString::printf(const char format[], ...) { |
| 513 | char buffer[kBufferSize]; |
| 514 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
| 515 | |
| 516 | this->set(buffer, strlen(buffer)); |
| 517 | } |
| 518 | |
| 519 | void SkString::appendf(const char format[], ...) { |
| 520 | char buffer[kBufferSize]; |
| 521 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 522 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 523 | this->append(buffer, strlen(buffer)); |
| 524 | } |
| 525 | |
| 526 | void SkString::prependf(const char format[], ...) { |
| 527 | char buffer[kBufferSize]; |
| 528 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 529 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 530 | this->prepend(buffer, strlen(buffer)); |
| 531 | } |
| 532 | |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 533 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 534 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 535 | void SkString::remove(size_t offset, size_t length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 536 | size_t size = this->size(); |
| 537 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 538 | if (offset < size) { |
| 539 | if (offset + length > size) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 540 | length = size - offset; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 541 | } |
| 542 | if (length > 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 543 | SkASSERT(size > length); |
| 544 | SkString tmp(size - length); |
| 545 | char* dst = tmp.writable_str(); |
| 546 | const char* src = this->c_str(); |
| 547 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 548 | if (offset) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 549 | SkASSERT(offset <= tmp.size()); |
| 550 | memcpy(dst, src, offset); |
| 551 | } |
| 552 | size_t tail = size - offset - length; |
| 553 | SkASSERT((int32_t)tail >= 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 554 | if (tail) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 555 | // SkASSERT(offset + length <= tmp.size()); |
| 556 | memcpy(dst + offset, src + offset + length, tail); |
| 557 | } |
| 558 | SkASSERT(dst[tmp.size()] == 0); |
| 559 | this->swap(tmp); |
| 560 | } |
| 561 | } |
| 562 | } |
| 563 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 564 | void SkString::swap(SkString& other) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 565 | this->validate(); |
| 566 | other.validate(); |
| 567 | |
| 568 | SkTSwap<Rec*>(fRec, other.fRec); |
| 569 | #ifdef SK_DEBUG |
| 570 | SkTSwap<const char*>(fStr, other.fStr); |
| 571 | #endif |
| 572 | } |
| 573 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 574 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 575 | |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 576 | SkAutoUCS2::SkAutoUCS2(const char utf8[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 577 | size_t len = strlen(utf8); |
| 578 | fUCS2 = (uint16_t*)sk_malloc_throw((len + 1) * sizeof(uint16_t)); |
| 579 | |
| 580 | uint16_t* dst = fUCS2; |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 581 | for (;;) { |
| 582 | SkUnichar uni = SkUTF8_NextUnichar(&utf8); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 583 | *dst++ = SkToU16(uni); |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 584 | if (uni == 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 585 | break; |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 586 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 587 | } |
| 588 | fCount = (int)(dst - fUCS2); |
| 589 | } |
| 590 | |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 591 | SkAutoUCS2::~SkAutoUCS2() { |
| 592 | sk_free(fUCS2); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 593 | } |
tomhudson@google.com | 3a1f6a0 | 2011-06-30 14:39:52 +0000 | [diff] [blame] | 594 | |
| 595 | /////////////////////////////////////////////////////////////////////////////// |
| 596 | |
| 597 | SkString SkStringPrintf(const char* format, ...) { |
| 598 | SkString formattedOutput; |
| 599 | char buffer[kBufferSize]; |
| 600 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
| 601 | formattedOutput.set(buffer); |
| 602 | return formattedOutput; |
| 603 | } |
| 604 | |
| 605 | #undef VSNPRINTF |
tomhudson@google.com | 47e0a09 | 2011-07-08 17:49:22 +0000 | [diff] [blame] | 606 | #undef SNPRINTF |
tomhudson@google.com | 3a1f6a0 | 2011-06-30 14:39:52 +0000 | [diff] [blame] | 607 | |