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 |
rileya@google.com | a9baf11 | 2012-09-14 19:03:42 +0000 | [diff] [blame] | 18 | static const size_t kBufferSize = 512; |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 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 | |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 39 | bool SkStrEndsWith(const char string[], const char suffixStr[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 40 | SkASSERT(string); |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 41 | SkASSERT(suffixStr); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 42 | size_t strLen = strlen(string); |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 43 | size_t suffixLen = strlen(suffixStr); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 44 | return strLen >= suffixLen && |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 45 | !strncmp(string + strLen - suffixLen, suffixStr, suffixLen); |
| 46 | } |
| 47 | |
| 48 | bool SkStrEndsWith(const char string[], const char suffixChar) { |
| 49 | SkASSERT(string); |
| 50 | size_t strLen = strlen(string); |
| 51 | if (0 == strLen) { |
| 52 | return false; |
| 53 | } else { |
| 54 | return (suffixChar == string[strLen-1]); |
| 55 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 56 | } |
| 57 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 58 | int SkStrStartsWithOneOf(const char string[], const char prefixes[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 59 | int index = 0; |
| 60 | do { |
| 61 | const char* limit = strchr(prefixes, '\0'); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 62 | if (!strncmp(string, prefixes, limit - prefixes)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 63 | return index; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 64 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 65 | prefixes = limit + 1; |
| 66 | index++; |
| 67 | } while (prefixes[0]); |
| 68 | return -1; |
| 69 | } |
| 70 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 71 | char* SkStrAppendS32(char string[], int32_t dec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 72 | SkDEBUGCODE(char* start = string;) |
| 73 | |
| 74 | char buffer[SkStrAppendS32_MaxSize]; |
| 75 | char* p = buffer + sizeof(buffer); |
| 76 | bool neg = false; |
| 77 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 78 | if (dec < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 79 | neg = true; |
| 80 | dec = -dec; |
| 81 | } |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 82 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 83 | do { |
| 84 | *--p = SkToU8('0' + dec % 10); |
| 85 | dec /= 10; |
| 86 | } while (dec != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 87 | |
| 88 | if (neg) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 89 | *--p = '-'; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 90 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 91 | |
| 92 | SkASSERT(p >= buffer); |
| 93 | char* stop = buffer + sizeof(buffer); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 94 | while (p < stop) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 95 | *string++ = *p++; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 96 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 97 | SkASSERT(string - start <= SkStrAppendS32_MaxSize); |
| 98 | return string; |
| 99 | } |
| 100 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 101 | char* SkStrAppendS64(char string[], int64_t dec, int minDigits) { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 102 | SkDEBUGCODE(char* start = string;) |
| 103 | |
| 104 | char buffer[SkStrAppendS64_MaxSize]; |
| 105 | char* p = buffer + sizeof(buffer); |
| 106 | bool neg = false; |
| 107 | |
| 108 | if (dec < 0) { |
| 109 | neg = true; |
| 110 | dec = -dec; |
| 111 | } |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 112 | |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 113 | do { |
caryclark@google.com | 803eceb | 2012-06-06 12:09:34 +0000 | [diff] [blame] | 114 | *--p = SkToU8('0' + (int32_t) (dec % 10)); |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 115 | dec /= 10; |
| 116 | minDigits--; |
| 117 | } while (dec != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 118 | |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 119 | while (minDigits > 0) { |
| 120 | *--p = '0'; |
| 121 | minDigits--; |
| 122 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 123 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 124 | if (neg) { |
| 125 | *--p = '-'; |
| 126 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 127 | SkASSERT(p >= buffer); |
| 128 | size_t cp_len = buffer + sizeof(buffer) - p; |
| 129 | memcpy(string, p, cp_len); |
| 130 | string += cp_len; |
| 131 | |
| 132 | SkASSERT(string - start <= SkStrAppendS64_MaxSize); |
| 133 | return string; |
| 134 | } |
| 135 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 136 | char* SkStrAppendFloat(char string[], float value) { |
reed@google.com | 8072e4f | 2011-03-01 15:44:08 +0000 | [diff] [blame] | 137 | // since floats have at most 8 significant digits, we limit our %g to that. |
| 138 | static const char gFormat[] = "%.8g"; |
| 139 | // make it 1 larger for the terminating 0 |
| 140 | char buffer[SkStrAppendScalar_MaxSize + 1]; |
| 141 | int len = SNPRINTF(buffer, sizeof(buffer), gFormat, value); |
| 142 | memcpy(string, buffer, len); |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 143 | SkASSERT(len <= SkStrAppendScalar_MaxSize); |
reed@google.com | 8072e4f | 2011-03-01 15:44:08 +0000 | [diff] [blame] | 144 | return string + len; |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 145 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 146 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 147 | char* SkStrAppendFixed(char string[], SkFixed x) { |
vandebo@chromium.org | 677cbed | 2011-03-03 18:20:12 +0000 | [diff] [blame] | 148 | SkDEBUGCODE(char* start = string;) |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 149 | if (x < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 150 | *string++ = '-'; |
| 151 | x = -x; |
| 152 | } |
| 153 | |
| 154 | unsigned frac = x & 0xFFFF; |
| 155 | x >>= 16; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 156 | if (frac == 0xFFFF) { |
| 157 | // 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] | 158 | x += 1; |
| 159 | frac = 0; |
| 160 | } |
| 161 | string = SkStrAppendS32(string, x); |
| 162 | |
| 163 | // now handle the fractional part (if any) |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 164 | if (frac) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 165 | static const uint16_t gTens[] = { 1000, 100, 10, 1 }; |
| 166 | const uint16_t* tens = gTens; |
| 167 | |
| 168 | x = SkFixedRound(frac * 10000); |
| 169 | SkASSERT(x <= 10000); |
| 170 | if (x == 10000) { |
| 171 | x -= 1; |
| 172 | } |
| 173 | *string++ = '.'; |
| 174 | do { |
| 175 | unsigned powerOfTen = *tens++; |
| 176 | *string++ = SkToU8('0' + x / powerOfTen); |
| 177 | x %= powerOfTen; |
| 178 | } while (x != 0); |
| 179 | } |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 180 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 181 | SkASSERT(string - start <= SkStrAppendScalar_MaxSize); |
| 182 | return string; |
| 183 | } |
| 184 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 185 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 186 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 187 | // the 3 values are [length] [refcnt] [terminating zero data] |
| 188 | const SkString::Rec SkString::gEmptyRec = { 0, 0, 0 }; |
| 189 | |
| 190 | #define SizeOfRec() (gEmptyRec.data() - (const char*)&gEmptyRec) |
| 191 | |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 192 | SkString::Rec* SkString::AllocRec(const char text[], size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 193 | Rec* rec; |
| 194 | |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 195 | if (0 == len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 196 | rec = const_cast<Rec*>(&gEmptyRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 197 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 198 | // add 1 for terminating 0, then align4 so we can have some slop when growing the string |
| 199 | rec = (Rec*)sk_malloc_throw(SizeOfRec() + SkAlign4(len + 1)); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 200 | rec->fLength = len; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 201 | rec->fRefCnt = 1; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 202 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 203 | memcpy(rec->data(), text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 204 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 205 | rec->data()[len] = 0; |
| 206 | } |
| 207 | return rec; |
| 208 | } |
| 209 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 210 | SkString::Rec* SkString::RefRec(Rec* src) { |
| 211 | if (src != &gEmptyRec) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 212 | sk_atomic_inc(&src->fRefCnt); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 213 | } |
| 214 | return src; |
| 215 | } |
| 216 | |
| 217 | #ifdef SK_DEBUG |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 218 | void SkString::validate() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 219 | // make sure know one has written over our global |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 220 | SkASSERT(0 == gEmptyRec.fLength); |
| 221 | SkASSERT(0 == gEmptyRec.fRefCnt); |
| 222 | SkASSERT(0 == gEmptyRec.data()[0]); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 223 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 224 | if (fRec != &gEmptyRec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 225 | SkASSERT(fRec->fLength > 0); |
| 226 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 227 | SkASSERT(0 == fRec->data()[fRec->fLength]); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 228 | } |
| 229 | SkASSERT(fStr == c_str()); |
| 230 | } |
| 231 | #endif |
| 232 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 233 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 234 | |
| 235 | SkString::SkString() : fRec(const_cast<Rec*>(&gEmptyRec)) { |
| 236 | #ifdef SK_DEBUG |
| 237 | fStr = fRec->data(); |
| 238 | #endif |
| 239 | } |
| 240 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 241 | SkString::SkString(size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 242 | SkASSERT(SkToU16(len) == len); // can't handle larger than 64K |
| 243 | |
| 244 | fRec = AllocRec(NULL, (U16CPU)len); |
| 245 | #ifdef SK_DEBUG |
| 246 | fStr = fRec->data(); |
| 247 | #endif |
| 248 | } |
| 249 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 250 | SkString::SkString(const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 251 | size_t len = text ? strlen(text) : 0; |
| 252 | |
| 253 | fRec = AllocRec(text, (U16CPU)len); |
| 254 | #ifdef SK_DEBUG |
| 255 | fStr = fRec->data(); |
| 256 | #endif |
| 257 | } |
| 258 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 259 | SkString::SkString(const char text[], size_t len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 260 | fRec = AllocRec(text, (U16CPU)len); |
| 261 | #ifdef SK_DEBUG |
| 262 | fStr = fRec->data(); |
| 263 | #endif |
| 264 | } |
| 265 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 266 | SkString::SkString(const SkString& src) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 267 | src.validate(); |
| 268 | |
| 269 | fRec = RefRec(src.fRec); |
| 270 | #ifdef SK_DEBUG |
| 271 | fStr = fRec->data(); |
| 272 | #endif |
| 273 | } |
| 274 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 275 | SkString::~SkString() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 276 | this->validate(); |
| 277 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 278 | if (fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 279 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 280 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 281 | sk_free(fRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 282 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 283 | } |
| 284 | } |
| 285 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 286 | bool SkString::equals(const SkString& src) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 287 | return fRec == src.fRec || this->equals(src.c_str(), src.size()); |
| 288 | } |
| 289 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 290 | bool SkString::equals(const char text[]) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 291 | return this->equals(text, text ? strlen(text) : 0); |
| 292 | } |
| 293 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 294 | bool SkString::equals(const char text[], size_t len) const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 295 | SkASSERT(len == 0 || text != NULL); |
| 296 | |
| 297 | return fRec->fLength == len && !memcmp(fRec->data(), text, len); |
| 298 | } |
| 299 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 300 | SkString& SkString::operator=(const SkString& src) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 301 | this->validate(); |
| 302 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 303 | if (fRec != src.fRec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 304 | SkString tmp(src); |
| 305 | this->swap(tmp); |
| 306 | } |
| 307 | return *this; |
| 308 | } |
| 309 | |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 310 | SkString& SkString::operator=(const char text[]) { |
| 311 | this->validate(); |
| 312 | |
| 313 | SkString tmp(text); |
| 314 | this->swap(tmp); |
| 315 | |
| 316 | return *this; |
| 317 | } |
| 318 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 319 | void SkString::reset() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 320 | this->validate(); |
| 321 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 322 | if (fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 323 | SkASSERT(fRec->fRefCnt > 0); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 324 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 325 | sk_free(fRec); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 326 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | fRec = const_cast<Rec*>(&gEmptyRec); |
| 330 | #ifdef SK_DEBUG |
| 331 | fStr = fRec->data(); |
| 332 | #endif |
| 333 | } |
| 334 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 335 | char* SkString::writable_str() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 336 | this->validate(); |
| 337 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 338 | if (fRec->fLength) { |
| 339 | if (fRec->fRefCnt > 1) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 340 | Rec* rec = AllocRec(fRec->data(), fRec->fLength); |
| 341 | if (sk_atomic_dec(&fRec->fRefCnt) == 1) { |
| 342 | // In this case after our check of fRecCnt > 1, we suddenly |
| 343 | // did become the only owner, so now we have two copies of the |
| 344 | // data (fRec and rec), so we need to delete one of them. |
| 345 | sk_free(fRec); |
| 346 | } |
| 347 | fRec = rec; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 348 | #ifdef SK_DEBUG |
| 349 | fStr = fRec->data(); |
| 350 | #endif |
| 351 | } |
| 352 | } |
| 353 | return fRec->data(); |
| 354 | } |
| 355 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 356 | void SkString::set(const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 357 | this->set(text, text ? strlen(text) : 0); |
| 358 | } |
| 359 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 360 | void SkString::set(const char text[], size_t len) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 361 | if (0 == len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 362 | this->reset(); |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 363 | } else if (1 == fRec->fRefCnt && len <= fRec->fLength) { |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 364 | // 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] | 365 | // just use less of the buffer without allocating a smaller 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; |
| 372 | } else if (1 == fRec->fRefCnt && (fRec->fLength >> 2) == (len >> 2)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 373 | // we have spare room in the current allocation, so don't alloc a larger one |
| 374 | char* p = this->writable_str(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 375 | if (text) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 376 | memcpy(p, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 377 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 378 | p[len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 379 | fRec->fLength = len; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 380 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 381 | SkString tmp(text, len); |
| 382 | this->swap(tmp); |
| 383 | } |
| 384 | } |
| 385 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 386 | void SkString::setUTF16(const uint16_t src[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 387 | int count = 0; |
| 388 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 389 | while (src[count]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 390 | count += 1; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 391 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 392 | setUTF16(src, count); |
| 393 | } |
| 394 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 395 | void SkString::setUTF16(const uint16_t src[], size_t count) { |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 396 | if (0 == count) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 397 | this->reset(); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 398 | } else if (count <= fRec->fLength) { |
| 399 | // should we resize if len <<<< fLength, to save RAM? (e.g. len < (fLength>>1)) |
| 400 | if (count < fRec->fLength) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 401 | this->resize(count); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 402 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 403 | char* p = this->writable_str(); |
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 | p[count] = 0; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 408 | } else { |
| 409 | SkString tmp(count); // puts a null terminator at the end of the string |
| 410 | char* p = tmp.writable_str(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 411 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 412 | for (size_t i = 0; i < count; i++) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 413 | p[i] = SkToU8(src[i]); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 414 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 415 | this->swap(tmp); |
| 416 | } |
| 417 | } |
| 418 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 419 | void SkString::insert(size_t offset, const char text[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 420 | this->insert(offset, text, text ? strlen(text) : 0); |
| 421 | } |
| 422 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 423 | void SkString::insert(size_t offset, const char text[], size_t len) { |
| 424 | if (len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 425 | size_t length = fRec->fLength; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 426 | if (offset > length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 427 | offset = length; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 428 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 429 | |
| 430 | /* If we're the only owner, and we have room in our allocation for the insert, |
| 431 | do it in place, rather than allocating a new buffer. |
| 432 | |
| 433 | To know we have room, compare the allocated sizes |
| 434 | beforeAlloc = SkAlign4(length + 1) |
| 435 | afterAlloc = SkAligh4(length + 1 + len) |
| 436 | but SkAlign4(x) is (x + 3) >> 2 << 2 |
| 437 | which is equivalent for testing to (length + 1 + 3) >> 2 == (length + 1 + 3 + len) >> 2 |
| 438 | and we can then eliminate the +1+3 since that doesn't affec the answer |
| 439 | */ |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 440 | if (1 == fRec->fRefCnt && (length >> 2) == ((length + len) >> 2)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 441 | char* dst = this->writable_str(); |
| 442 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 443 | if (offset < length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 444 | memmove(dst + offset + len, dst + offset, length - offset); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 445 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 446 | memcpy(dst + offset, text, len); |
| 447 | |
| 448 | dst[length + len] = 0; |
reed@google.com | 4bce115 | 2011-09-14 16:13:58 +0000 | [diff] [blame] | 449 | fRec->fLength = length + len; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 450 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 451 | /* Seems we should use realloc here, since that is safe if it fails |
| 452 | (we have the original data), and might be faster than alloc/copy/free. |
| 453 | */ |
| 454 | SkString tmp(fRec->fLength + len); |
| 455 | char* dst = tmp.writable_str(); |
| 456 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 457 | if (offset > 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 458 | memcpy(dst, fRec->data(), offset); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 459 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 460 | memcpy(dst + offset, text, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 461 | if (offset < fRec->fLength) { |
| 462 | memcpy(dst + offset + len, fRec->data() + offset, |
| 463 | fRec->fLength - offset); |
| 464 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 465 | |
| 466 | this->swap(tmp); |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 471 | void SkString::insertUnichar(size_t offset, SkUnichar uni) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 472 | char buffer[kMaxBytesInUTF8Sequence]; |
| 473 | size_t len = SkUTF8_FromUnichar(uni, buffer); |
| 474 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 475 | if (len) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 476 | this->insert(offset, buffer, len); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 477 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 478 | } |
| 479 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 480 | void SkString::insertS32(size_t offset, int32_t dec) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 481 | char buffer[SkStrAppendS32_MaxSize]; |
| 482 | char* stop = SkStrAppendS32(buffer, dec); |
| 483 | this->insert(offset, buffer, stop - buffer); |
| 484 | } |
| 485 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 486 | void SkString::insertS64(size_t offset, int64_t dec, int minDigits) { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 487 | char buffer[SkStrAppendS64_MaxSize]; |
| 488 | char* stop = SkStrAppendS64(buffer, dec, minDigits); |
| 489 | this->insert(offset, buffer, stop - buffer); |
| 490 | } |
| 491 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 492 | void SkString::insertHex(size_t offset, uint32_t hex, int minDigits) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 493 | minDigits = SkPin32(minDigits, 0, 8); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 494 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 495 | static const char gHex[] = "0123456789ABCDEF"; |
| 496 | |
| 497 | char buffer[8]; |
| 498 | char* p = buffer + sizeof(buffer); |
| 499 | |
| 500 | do { |
| 501 | *--p = gHex[hex & 0xF]; |
| 502 | hex >>= 4; |
| 503 | minDigits -= 1; |
| 504 | } while (hex != 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 505 | |
| 506 | while (--minDigits >= 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 507 | *--p = '0'; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 508 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 509 | |
| 510 | SkASSERT(p >= buffer); |
| 511 | this->insert(offset, p, buffer + sizeof(buffer) - p); |
| 512 | } |
| 513 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 514 | void SkString::insertScalar(size_t offset, SkScalar value) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 515 | char buffer[SkStrAppendScalar_MaxSize]; |
| 516 | char* stop = SkStrAppendScalar(buffer, value); |
| 517 | this->insert(offset, buffer, stop - buffer); |
| 518 | } |
| 519 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 520 | void SkString::printf(const char format[], ...) { |
| 521 | char buffer[kBufferSize]; |
| 522 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
| 523 | |
| 524 | this->set(buffer, strlen(buffer)); |
| 525 | } |
| 526 | |
| 527 | void SkString::appendf(const char format[], ...) { |
| 528 | char buffer[kBufferSize]; |
| 529 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 530 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 531 | this->append(buffer, strlen(buffer)); |
| 532 | } |
| 533 | |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame^] | 534 | void SkString::appendf(const char format[], va_list args) { |
| 535 | char buffer[kBufferSize]; |
| 536 | VSNPRINTF(buffer, kBufferSize, format, args); |
| 537 | |
| 538 | this->append(buffer, strlen(buffer)); |
| 539 | } |
| 540 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 541 | void SkString::prependf(const char format[], ...) { |
| 542 | char buffer[kBufferSize]; |
| 543 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 544 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 545 | this->prepend(buffer, strlen(buffer)); |
| 546 | } |
| 547 | |
reed@google.com | fa06e52 | 2011-02-28 21:29:58 +0000 | [diff] [blame] | 548 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 549 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 550 | void SkString::remove(size_t offset, size_t length) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 551 | size_t size = this->size(); |
| 552 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 553 | if (offset < size) { |
| 554 | if (offset + length > size) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 555 | length = size - offset; |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 556 | } |
| 557 | if (length > 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 558 | SkASSERT(size > length); |
| 559 | SkString tmp(size - length); |
| 560 | char* dst = tmp.writable_str(); |
| 561 | const char* src = this->c_str(); |
| 562 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 563 | if (offset) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 564 | SkASSERT(offset <= tmp.size()); |
| 565 | memcpy(dst, src, offset); |
| 566 | } |
| 567 | size_t tail = size - offset - length; |
| 568 | SkASSERT((int32_t)tail >= 0); |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 569 | if (tail) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 570 | // SkASSERT(offset + length <= tmp.size()); |
| 571 | memcpy(dst + offset, src + offset + length, tail); |
| 572 | } |
| 573 | SkASSERT(dst[tmp.size()] == 0); |
| 574 | this->swap(tmp); |
| 575 | } |
| 576 | } |
| 577 | } |
| 578 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 579 | void SkString::swap(SkString& other) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 580 | this->validate(); |
| 581 | other.validate(); |
| 582 | |
| 583 | SkTSwap<Rec*>(fRec, other.fRec); |
| 584 | #ifdef SK_DEBUG |
| 585 | SkTSwap<const char*>(fStr, other.fStr); |
| 586 | #endif |
| 587 | } |
| 588 | |
mike@reedtribe.org | 4e1d3ac | 2011-04-10 01:04:37 +0000 | [diff] [blame] | 589 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 590 | |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 591 | SkAutoUCS2::SkAutoUCS2(const char utf8[]) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 592 | size_t len = strlen(utf8); |
| 593 | fUCS2 = (uint16_t*)sk_malloc_throw((len + 1) * sizeof(uint16_t)); |
| 594 | |
| 595 | uint16_t* dst = fUCS2; |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 596 | for (;;) { |
| 597 | SkUnichar uni = SkUTF8_NextUnichar(&utf8); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 598 | *dst++ = SkToU16(uni); |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 599 | if (uni == 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 600 | break; |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 601 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 602 | } |
| 603 | fCount = (int)(dst - fUCS2); |
| 604 | } |
| 605 | |
mike@reedtribe.org | d5e05d4 | 2011-04-10 00:44:32 +0000 | [diff] [blame] | 606 | SkAutoUCS2::~SkAutoUCS2() { |
| 607 | sk_free(fUCS2); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 608 | } |
tomhudson@google.com | 3a1f6a0 | 2011-06-30 14:39:52 +0000 | [diff] [blame] | 609 | |
| 610 | /////////////////////////////////////////////////////////////////////////////// |
| 611 | |
| 612 | SkString SkStringPrintf(const char* format, ...) { |
| 613 | SkString formattedOutput; |
| 614 | char buffer[kBufferSize]; |
| 615 | ARGS_TO_BUFFER(format, buffer, kBufferSize); |
| 616 | formattedOutput.set(buffer); |
| 617 | return formattedOutput; |
| 618 | } |
| 619 | |
| 620 | #undef VSNPRINTF |
tomhudson@google.com | 47e0a09 | 2011-07-08 17:49:22 +0000 | [diff] [blame] | 621 | #undef SNPRINTF |