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| 1 /* libs/graphics/xml/SkJS.cpp | |
| 2 ** | |
| 3 ** Copyright 2006, The Android Open Source Project | |
| 4 ** | |
| 5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 ** you may not use this file except in compliance with the License. | |
| 7 ** You may obtain a copy of the License at | |
| 8 ** | |
| 9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 ** | |
| 11 ** Unless required by applicable law or agreed to in writing, software | |
| 12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 ** See the License for the specific language governing permissions and | |
| 15 ** limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 #include <jsapi.h> | |
| 19 | |
| 20 #include "SkJS.h" | |
| 21 #include "SkString.h" | |
| 22 | |
| 23 #ifdef _WIN32_WCE | |
| 24 extern "C" { | |
| 25 void abort() { | |
| 26 SkASSERT(0); | |
| 27 } | |
| 28 | |
| 29 unsigned int _control87(unsigned int _new, unsigned int mask ) { | |
| 30 SkASSERT(0); | |
| 31 return 0; | |
| 32 } | |
| 33 | |
| 34 time_t mktime(struct tm *timeptr ) { | |
| 35 SkASSERT(0); | |
| 36 return 0; | |
| 37 } | |
| 38 | |
| 39 // int errno; | |
| 40 | |
| 41 char *strdup(const char *) { | |
| 42 SkASSERT(0); | |
| 43 return 0; | |
| 44 } | |
| 45 | |
| 46 char *strerror(int errnum) { | |
| 47 SkASSERT(0); | |
| 48 return 0; | |
| 49 } | |
| 50 | |
| 51 int isatty(void* fd) { | |
| 52 SkASSERT(0); | |
| 53 return 0; | |
| 54 } | |
| 55 | |
| 56 int putenv(const char *envstring) { | |
| 57 SkASSERT(0); | |
| 58 return 0; | |
| 59 } | |
| 60 | |
| 61 char *getenv(const char *varname) { | |
| 62 SkASSERT(0); | |
| 63 return 0; | |
| 64 } | |
| 65 | |
| 66 void GetSystemTimeAsFileTime(LPFILETIME lpSystemTimeAsFileTime) { | |
| 67 SkASSERT(0); | |
| 68 } | |
| 69 | |
| 70 struct tm * localtime(const time_t *timer) { | |
| 71 SkASSERT(0); | |
| 72 return 0; | |
| 73 } | |
| 74 | |
| 75 size_t strftime(char *strDest, size_t maxsize, const char *format, | |
| 76 const struct tm *timeptr ) { | |
| 77 SkASSERT(0); | |
| 78 return 0; | |
| 79 } | |
| 80 | |
| 81 } | |
| 82 #endif | |
| 83 | |
| 84 static JSBool | |
| 85 global_enumerate(JSContext *cx, JSObject *obj) | |
| 86 { | |
| 87 #ifdef LAZY_STANDARD_CLASSES | |
| 88 return JS_EnumerateStandardClasses(cx, obj); | |
| 89 #else | |
| 90 return JS_TRUE; | |
| 91 #endif | |
| 92 } | |
| 93 | |
| 94 static JSBool | |
| 95 global_resolve(JSContext *cx, JSObject *obj, jsval id, uintN flags, JSObject **o
bjp) | |
| 96 { | |
| 97 #ifdef LAZY_STANDARD_CLASSES | |
| 98 if ((flags & JSRESOLVE_ASSIGNING) == 0) { | |
| 99 JSBool resolved; | |
| 100 | |
| 101 if (!JS_ResolveStandardClass(cx, obj, id, &resolved)) | |
| 102 return JS_FALSE; | |
| 103 if (resolved) { | |
| 104 *objp = obj; | |
| 105 return JS_TRUE; | |
| 106 } | |
| 107 } | |
| 108 #endif | |
| 109 | |
| 110 #if defined(SHELL_HACK) && defined(DEBUG) && defined(XP_UNIX) | |
| 111 if ((flags & (JSRESOLVE_QUALIFIED | JSRESOLVE_ASSIGNING)) == 0) { | |
| 112 /* | |
| 113 * Do this expensive hack only for unoptimized Unix builds, which are | |
| 114 * not used for benchmarking. | |
| 115 */ | |
| 116 char *path, *comp, *full; | |
| 117 const char *name; | |
| 118 JSBool ok, found; | |
| 119 JSFunction *fun; | |
| 120 | |
| 121 if (!JSVAL_IS_STRING(id)) | |
| 122 return JS_TRUE; | |
| 123 path = getenv("PATH"); | |
| 124 if (!path) | |
| 125 return JS_TRUE; | |
| 126 path = JS_strdup(cx, path); | |
| 127 if (!path) | |
| 128 return JS_FALSE; | |
| 129 name = JS_GetStringBytes(JSVAL_TO_STRING(id)); | |
| 130 ok = JS_TRUE; | |
| 131 for (comp = strtok(path, ":"); comp; comp = strtok(NULL, ":")) { | |
| 132 if (*comp != '\0') { | |
| 133 full = JS_smprintf("%s/%s", comp, name); | |
| 134 if (!full) { | |
| 135 JS_ReportOutOfMemory(cx); | |
| 136 ok = JS_FALSE; | |
| 137 break; | |
| 138 } | |
| 139 } else { | |
| 140 full = (char *)name; | |
| 141 } | |
| 142 found = (access(full, X_OK) == 0); | |
| 143 if (*comp != '\0') | |
| 144 free(full); | |
| 145 if (found) { | |
| 146 fun = JS_DefineFunction(cx, obj, name, Exec, 0, JSPROP_ENUMERATE
); | |
| 147 ok = (fun != NULL); | |
| 148 if (ok) | |
| 149 *objp = obj; | |
| 150 break; | |
| 151 } | |
| 152 } | |
| 153 JS_free(cx, path); | |
| 154 return ok; | |
| 155 } | |
| 156 #else | |
| 157 return JS_TRUE; | |
| 158 #endif | |
| 159 } | |
| 160 | |
| 161 JSClass global_class = { | |
| 162 "global", JSCLASS_NEW_RESOLVE, | |
| 163 JS_PropertyStub, JS_PropertyStub, | |
| 164 JS_PropertyStub, JS_PropertyStub, | |
| 165 global_enumerate, (JSResolveOp) global_resolve, | |
| 166 JS_ConvertStub, JS_FinalizeStub | |
| 167 }; | |
| 168 | |
| 169 SkJS::SkJS(void* hwnd) : SkOSWindow(hwnd) { | |
| 170 if ((fRuntime = JS_NewRuntime(0x100000)) == NULL) { | |
| 171 SkASSERT(0); | |
| 172 return; | |
| 173 } | |
| 174 if ((fContext = JS_NewContext(fRuntime, 0x1000)) == NULL) { | |
| 175 SkASSERT(0); | |
| 176 return; | |
| 177 } | |
| 178 ; | |
| 179 if ((fGlobal = JS_NewObject(fContext, &global_class, NULL, NULL)) == NULL) { | |
| 180 SkASSERT(0); | |
| 181 return; | |
| 182 } | |
| 183 if (JS_InitStandardClasses(fContext, fGlobal) == NULL) { | |
| 184 SkASSERT(0); | |
| 185 return; | |
| 186 } | |
| 187 setConfig(SkBitmap::kARGB32_Config); | |
| 188 updateSize(); | |
| 189 setVisibleP(true); | |
| 190 InitializeDisplayables(getBitmap(), fContext, fGlobal, NULL); | |
| 191 } | |
| 192 | |
| 193 SkJS::~SkJS() { | |
| 194 DisposeDisplayables(); | |
| 195 JS_DestroyContext(fContext); | |
| 196 JS_DestroyRuntime(fRuntime); | |
| 197 JS_ShutDown(); | |
| 198 } | |
| 199 | |
| 200 SkBool SkJS::EvaluateScript(const char* script, jsval* rVal) { | |
| 201 return JS_EvaluateScript(fContext, fGlobal, script, strlen(script), | |
| 202 "memory" /* no file name */, 0 /* no line number */, rVal); | |
| 203 } | |
| 204 | |
| 205 SkBool SkJS::ValueToString(jsval value, SkString* string) { | |
| 206 JSString* str = JS_ValueToString(fContext, value); | |
| 207 if (str == NULL) | |
| 208 return false; | |
| 209 string->set(JS_GetStringBytes(str)); | |
| 210 return true; | |
| 211 } | |
| 212 | |
| 213 #ifdef SK_DEBUG | |
| 214 void SkJS::Test(void* hwnd) { | |
| 215 SkJS js(hwnd); | |
| 216 jsval val; | |
| 217 SkBool success = js.EvaluateScript("22/7", &val); | |
| 218 SkASSERT(success); | |
| 219 SkString string; | |
| 220 success = js.ValueToString(val, &string); | |
| 221 SkASSERT(success); | |
| 222 SkASSERT(strcmp(string.c_str(), "3.142857142857143") == 0); | |
| 223 success = js.EvaluateScript( | |
| 224 "var rect = new rectangle();" | |
| 225 "rect.left = 4;" | |
| 226 "rect.top = 10;" | |
| 227 "rect.right = 20;" | |
| 228 "rect.bottom = 30;" | |
| 229 "rect.width = rect.height + 20;" | |
| 230 "rect.draw();" | |
| 231 , &val); | |
| 232 SkASSERT(success); | |
| 233 success = js.ValueToString(val, &string); | |
| 234 SkASSERT(success); | |
| 235 } | |
| 236 #endifASSERT(success); | |
| 237 | |
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Chromium Code Reviews
Issue 113827:
Remove the remainder of the skia source code from the Chromium repo.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/