The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/xml/SkJS.cpp
gfx/skia/trunk/src/xml/SkJS.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:02ffff6b2e5c |
|---|---|
| 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 | |
| 9 | |
| 10 #include <jsapi.h> | |
| 11 | |
| 12 #include "SkJS.h" | |
| 13 #include "SkString.h" | |
| 14 | |
| 15 #ifdef _WIN32_WCE | |
| 16 extern "C" { | |
| 17 void abort() { | |
| 18 SkASSERT(0); | |
| 19 } | |
| 20 | |
| 21 unsigned int _control87(unsigned int _new, unsigned int mask ) { | |
| 22 SkASSERT(0); | |
| 23 return 0; | |
| 24 } | |
| 25 | |
| 26 time_t mktime(struct tm *timeptr ) { | |
| 27 SkASSERT(0); | |
| 28 return 0; | |
| 29 } | |
| 30 | |
| 31 // int errno; | |
| 32 | |
| 33 char *strdup(const char *) { | |
| 34 SkASSERT(0); | |
| 35 return 0; | |
| 36 } | |
| 37 | |
| 38 char *strerror(int errnum) { | |
| 39 SkASSERT(0); | |
| 40 return 0; | |
| 41 } | |
| 42 | |
| 43 int isatty(void* fd) { | |
| 44 SkASSERT(0); | |
| 45 return 0; | |
| 46 } | |
| 47 | |
| 48 int putenv(const char *envstring) { | |
| 49 SkASSERT(0); | |
| 50 return 0; | |
| 51 } | |
| 52 | |
| 53 char *getenv(const char *varname) { | |
| 54 SkASSERT(0); | |
| 55 return 0; | |
| 56 } | |
| 57 | |
| 58 void GetSystemTimeAsFileTime(LPFILETIME lpSystemTimeAsFileTime) { | |
| 59 SkASSERT(0); | |
| 60 } | |
| 61 | |
| 62 struct tm * localtime(const time_t *timer) { | |
| 63 SkASSERT(0); | |
| 64 return 0; | |
| 65 } | |
| 66 | |
| 67 size_t strftime(char *strDest, size_t maxsize, const char *format, | |
| 68 const struct tm *timeptr ) { | |
| 69 SkASSERT(0); | |
| 70 return 0; | |
| 71 } | |
| 72 | |
| 73 } | |
| 74 #endif | |
| 75 | |
| 76 static JSBool | |
| 77 global_enumerate(JSContext *cx, JSObject *obj) | |
| 78 { | |
| 79 #ifdef LAZY_STANDARD_CLASSES | |
| 80 return JS_EnumerateStandardClasses(cx, obj); | |
| 81 #else | |
| 82 return JS_TRUE; | |
| 83 #endif | |
| 84 } | |
| 85 | |
| 86 static JSBool | |
| 87 global_resolve(JSContext *cx, JSObject *obj, jsval id, uintN flags, JSObject **objp) | |
| 88 { | |
| 89 #ifdef LAZY_STANDARD_CLASSES | |
| 90 if ((flags & JSRESOLVE_ASSIGNING) == 0) { | |
| 91 JSBool resolved; | |
| 92 | |
| 93 if (!JS_ResolveStandardClass(cx, obj, id, &resolved)) | |
| 94 return JS_FALSE; | |
| 95 if (resolved) { | |
| 96 *objp = obj; | |
| 97 return JS_TRUE; | |
| 98 } | |
| 99 } | |
| 100 #endif | |
| 101 | |
| 102 #if defined(SHELL_HACK) && defined(DEBUG) && defined(XP_UNIX) | |
| 103 if ((flags & (JSRESOLVE_QUALIFIED | JSRESOLVE_ASSIGNING)) == 0) { | |
| 104 /* | |
| 105 * Do this expensive hack only for unoptimized Unix builds, which are | |
| 106 * not used for benchmarking. | |
| 107 */ | |
| 108 char *path, *comp, *full; | |
| 109 const char *name; | |
| 110 JSBool ok, found; | |
| 111 JSFunction *fun; | |
| 112 | |
| 113 if (!JSVAL_IS_STRING(id)) | |
| 114 return JS_TRUE; | |
| 115 path = getenv("PATH"); | |
| 116 if (!path) | |
| 117 return JS_TRUE; | |
| 118 path = JS_strdup(cx, path); | |
| 119 if (!path) | |
| 120 return JS_FALSE; | |
| 121 name = JS_GetStringBytes(JSVAL_TO_STRING(id)); | |
| 122 ok = JS_TRUE; | |
| 123 for (comp = strtok(path, ":"); comp; comp = strtok(NULL, ":")) { | |
| 124 if (*comp != '\0') { | |
| 125 full = JS_smprintf("%s/%s", comp, name); | |
| 126 if (!full) { | |
| 127 JS_ReportOutOfMemory(cx); | |
| 128 ok = JS_FALSE; | |
| 129 break; | |
| 130 } | |
| 131 } else { | |
| 132 full = (char *)name; | |
| 133 } | |
| 134 found = (access(full, X_OK) == 0); | |
| 135 if (*comp != '\0') | |
| 136 free(full); | |
| 137 if (found) { | |
| 138 fun = JS_DefineFunction(cx, obj, name, Exec, 0, JSPROP_ENUMERATE); | |
| 139 ok = (fun != NULL); | |
| 140 if (ok) | |
| 141 *objp = obj; | |
| 142 break; | |
| 143 } | |
| 144 } | |
| 145 JS_free(cx, path); | |
| 146 return ok; | |
| 147 } | |
| 148 #else | |
| 149 return JS_TRUE; | |
| 150 #endif | |
| 151 } | |
| 152 | |
| 153 JSClass global_class = { | |
| 154 "global", JSCLASS_NEW_RESOLVE, | |
| 155 JS_PropertyStub, JS_PropertyStub, | |
| 156 JS_PropertyStub, JS_PropertyStub, | |
| 157 global_enumerate, (JSResolveOp) global_resolve, | |
| 158 JS_ConvertStub, JS_FinalizeStub | |
| 159 }; | |
| 160 | |
| 161 SkJS::SkJS(void* hwnd) : SkOSWindow(hwnd) { | |
| 162 if ((fRuntime = JS_NewRuntime(0x100000)) == NULL) { | |
| 163 SkASSERT(0); | |
| 164 return; | |
| 165 } | |
| 166 if ((fContext = JS_NewContext(fRuntime, 0x1000)) == NULL) { | |
| 167 SkASSERT(0); | |
| 168 return; | |
| 169 } | |
| 170 ; | |
| 171 if ((fGlobal = JS_NewObject(fContext, &global_class, NULL, NULL)) == NULL) { | |
| 172 SkASSERT(0); | |
| 173 return; | |
| 174 } | |
| 175 if (JS_InitStandardClasses(fContext, fGlobal) == NULL) { | |
| 176 SkASSERT(0); | |
| 177 return; | |
| 178 } | |
| 179 setConfig(SkBitmap::kARGB32_Config); | |
| 180 updateSize(); | |
| 181 setVisibleP(true); | |
| 182 InitializeDisplayables(getBitmap(), fContext, fGlobal, NULL); | |
| 183 } | |
| 184 | |
| 185 SkJS::~SkJS() { | |
| 186 DisposeDisplayables(); | |
| 187 JS_DestroyContext(fContext); | |
| 188 JS_DestroyRuntime(fRuntime); | |
| 189 JS_ShutDown(); | |
| 190 } | |
| 191 | |
| 192 SkBool SkJS::EvaluateScript(const char* script, jsval* rVal) { | |
| 193 return JS_EvaluateScript(fContext, fGlobal, script, strlen(script), | |
| 194 "memory" /* no file name */, 0 /* no line number */, rVal); | |
| 195 } | |
| 196 | |
| 197 SkBool SkJS::ValueToString(jsval value, SkString* string) { | |
| 198 JSString* str = JS_ValueToString(fContext, value); | |
| 199 if (str == NULL) | |
| 200 return false; | |
| 201 string->set(JS_GetStringBytes(str)); | |
| 202 return true; | |
| 203 } | |
| 204 | |
| 205 #ifdef SK_DEBUG | |
| 206 void SkJS::Test(void* hwnd) { | |
| 207 SkJS js(hwnd); | |
| 208 jsval val; | |
| 209 SkBool success = js.EvaluateScript("22/7", &val); | |
| 210 SkASSERT(success); | |
| 211 SkString string; | |
| 212 success = js.ValueToString(val, &string); | |
| 213 SkASSERT(success); | |
| 214 SkASSERT(strcmp(string.c_str(), "3.142857142857143") == 0); | |
| 215 success = js.EvaluateScript( | |
| 216 "var rect = new rectangle();" | |
| 217 "rect.left = 4;" | |
| 218 "rect.top = 10;" | |
| 219 "rect.right = 20;" | |
| 220 "rect.bottom = 30;" | |
| 221 "rect.width = rect.height + 20;" | |
| 222 "rect.draw();" | |
| 223 , &val); | |
| 224 SkASSERT(success); | |
| 225 success = js.ValueToString(val, &string); | |
| 226 SkASSERT(success); | |
| 227 } | |
| 228 #endifASSERT(success); |
