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 "SkDOM.h" |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 11 | #include "SkStream.h" |
| 12 | #include "SkXMLWriter.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 13 | |
| 14 | ///////////////////////////////////////////////////////////////////////// |
| 15 | |
| 16 | #include "SkXMLParser.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 17 | bool SkXMLParser::parse(const SkDOM& dom, const SkDOMNode* node) |
| 18 | { |
| 19 | const char* elemName = dom.getName(node); |
| 20 | |
| 21 | if (this->startElement(elemName)) |
| 22 | return false; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 23 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 24 | SkDOM::AttrIter iter(dom, node); |
| 25 | const char* name, *value; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 26 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 27 | while ((name = iter.next(&value)) != nullptr) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 28 | if (this->addAttribute(name, value)) |
| 29 | return false; |
| 30 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 31 | if ((node = dom.getFirstChild(node)) != nullptr) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 32 | do { |
| 33 | if (!this->parse(dom, node)) |
| 34 | return false; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 35 | } while ((node = dom.getNextSibling(node)) != nullptr); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 36 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | return !this->endElement(elemName); |
| 38 | } |
| 39 | |
| 40 | ///////////////////////////////////////////////////////////////////////// |
| 41 | |
| 42 | struct SkDOMAttr { |
| 43 | const char* fName; |
| 44 | const char* fValue; |
| 45 | }; |
| 46 | |
| 47 | struct SkDOMNode { |
| 48 | const char* fName; |
| 49 | SkDOMNode* fFirstChild; |
| 50 | SkDOMNode* fNextSibling; |
| 51 | uint16_t fAttrCount; |
| 52 | uint8_t fType; |
| 53 | uint8_t fPad; |
| 54 | |
| 55 | const SkDOMAttr* attrs() const |
| 56 | { |
| 57 | return (const SkDOMAttr*)(this + 1); |
| 58 | } |
| 59 | SkDOMAttr* attrs() |
| 60 | { |
| 61 | return (SkDOMAttr*)(this + 1); |
| 62 | } |
| 63 | }; |
| 64 | |
| 65 | ///////////////////////////////////////////////////////////////////////// |
| 66 | |
| 67 | #define kMinChunkSize 512 |
| 68 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 69 | SkDOM::SkDOM() : fAlloc(kMinChunkSize), fRoot(nullptr) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 70 | { |
| 71 | } |
| 72 | |
| 73 | SkDOM::~SkDOM() |
| 74 | { |
| 75 | } |
| 76 | |
| 77 | const SkDOM::Node* SkDOM::getRootNode() const |
| 78 | { |
| 79 | return fRoot; |
| 80 | } |
| 81 | |
| 82 | const SkDOM::Node* SkDOM::getFirstChild(const Node* node, const char name[]) const |
| 83 | { |
| 84 | SkASSERT(node); |
| 85 | const Node* child = node->fFirstChild; |
| 86 | |
| 87 | if (name) |
| 88 | { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 89 | for (; child != nullptr; child = child->fNextSibling) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 90 | if (!strcmp(name, child->fName)) |
| 91 | break; |
| 92 | } |
| 93 | return child; |
| 94 | } |
| 95 | |
| 96 | const SkDOM::Node* SkDOM::getNextSibling(const Node* node, const char name[]) const |
| 97 | { |
| 98 | SkASSERT(node); |
| 99 | const Node* sibling = node->fNextSibling; |
| 100 | if (name) |
| 101 | { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 102 | for (; sibling != nullptr; sibling = sibling->fNextSibling) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 103 | if (!strcmp(name, sibling->fName)) |
| 104 | break; |
| 105 | } |
| 106 | return sibling; |
| 107 | } |
| 108 | |
| 109 | SkDOM::Type SkDOM::getType(const Node* node) const |
| 110 | { |
| 111 | SkASSERT(node); |
| 112 | return (Type)node->fType; |
| 113 | } |
| 114 | |
| 115 | const char* SkDOM::getName(const Node* node) const |
| 116 | { |
| 117 | SkASSERT(node); |
| 118 | return node->fName; |
| 119 | } |
| 120 | |
| 121 | const char* SkDOM::findAttr(const Node* node, const char name[]) const |
| 122 | { |
| 123 | SkASSERT(node); |
| 124 | const Attr* attr = node->attrs(); |
| 125 | const Attr* stop = attr + node->fAttrCount; |
| 126 | |
| 127 | while (attr < stop) |
| 128 | { |
| 129 | if (!strcmp(attr->fName, name)) |
| 130 | return attr->fValue; |
| 131 | attr += 1; |
| 132 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 133 | return nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | ///////////////////////////////////////////////////////////////////////////////////// |
| 137 | |
| 138 | const SkDOM::Attr* SkDOM::getFirstAttr(const Node* node) const |
| 139 | { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 140 | return node->fAttrCount ? node->attrs() : nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | const SkDOM::Attr* SkDOM::getNextAttr(const Node* node, const Attr* attr) const |
| 144 | { |
| 145 | SkASSERT(node); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 146 | if (attr == nullptr) |
| 147 | return nullptr; |
| 148 | return (attr - node->attrs() + 1) < node->fAttrCount ? attr + 1 : nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 149 | } |
| 150 | |
| 151 | const char* SkDOM::getAttrName(const Node* node, const Attr* attr) const |
| 152 | { |
| 153 | SkASSERT(node); |
| 154 | SkASSERT(attr); |
| 155 | return attr->fName; |
| 156 | } |
| 157 | |
| 158 | const char* SkDOM::getAttrValue(const Node* node, const Attr* attr) const |
| 159 | { |
| 160 | SkASSERT(node); |
| 161 | SkASSERT(attr); |
| 162 | return attr->fValue; |
| 163 | } |
| 164 | |
| 165 | ///////////////////////////////////////////////////////////////////////////////////// |
| 166 | |
| 167 | SkDOM::AttrIter::AttrIter(const SkDOM&, const SkDOM::Node* node) |
| 168 | { |
| 169 | SkASSERT(node); |
| 170 | fAttr = node->attrs(); |
| 171 | fStop = fAttr + node->fAttrCount; |
| 172 | } |
| 173 | |
| 174 | const char* SkDOM::AttrIter::next(const char** value) |
| 175 | { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 176 | const char* name = nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 177 | |
| 178 | if (fAttr < fStop) |
| 179 | { |
| 180 | name = fAttr->fName; |
| 181 | if (value) |
| 182 | *value = fAttr->fValue; |
| 183 | fAttr += 1; |
| 184 | } |
| 185 | return name; |
| 186 | } |
| 187 | |
| 188 | ////////////////////////////////////////////////////////////////////////////// |
| 189 | |
| 190 | #include "SkXMLParser.h" |
| 191 | #include "SkTDArray.h" |
| 192 | |
| 193 | static char* dupstr(SkChunkAlloc* chunk, const char src[]) |
| 194 | { |
| 195 | SkASSERT(chunk && src); |
| 196 | size_t len = strlen(src); |
| 197 | char* dst = (char*)chunk->alloc(len + 1, SkChunkAlloc::kThrow_AllocFailType); |
| 198 | memcpy(dst, src, len + 1); |
| 199 | return dst; |
| 200 | } |
| 201 | |
| 202 | class SkDOMParser : public SkXMLParser { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 203 | public: |
| 204 | SkDOMParser(SkChunkAlloc* chunk) : SkXMLParser(&fParserError), fAlloc(chunk) |
| 205 | { |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 206 | fAlloc->reset(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 207 | fRoot = nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 208 | fLevel = 0; |
| 209 | fNeedToFlush = true; |
| 210 | } |
| 211 | SkDOM::Node* getRoot() const { return fRoot; } |
| 212 | SkXMLParserError fParserError; |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 213 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 214 | protected: |
| 215 | void flushAttributes() |
| 216 | { |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 217 | SkASSERT(fLevel > 0); |
| 218 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 219 | int attrCount = fAttrs.count(); |
| 220 | |
| 221 | SkDOM::Node* node = (SkDOM::Node*)fAlloc->alloc(sizeof(SkDOM::Node) + attrCount * sizeof(SkDOM::Attr), |
| 222 | SkChunkAlloc::kThrow_AllocFailType); |
| 223 | |
| 224 | node->fName = fElemName; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 225 | node->fFirstChild = nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 226 | node->fAttrCount = SkToU16(attrCount); |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 227 | node->fType = fElemType; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 228 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 229 | if (fRoot == nullptr) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 230 | { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 231 | node->fNextSibling = nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 232 | fRoot = node; |
| 233 | } |
| 234 | else // this adds siblings in reverse order. gets corrected in onEndElement() |
| 235 | { |
| 236 | SkDOM::Node* parent = fParentStack.top(); |
| 237 | SkASSERT(fRoot && parent); |
| 238 | node->fNextSibling = parent->fFirstChild; |
| 239 | parent->fFirstChild = node; |
| 240 | } |
| 241 | *fParentStack.push() = node; |
| 242 | |
mtklein | 067e90e | 2015-12-10 07:42:47 -0800 | [diff] [blame] | 243 | sk_careful_memcpy(node->attrs(), fAttrs.begin(), attrCount * sizeof(SkDOM::Attr)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 244 | fAttrs.reset(); |
| 245 | |
| 246 | } |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 247 | |
| 248 | bool onStartElement(const char elem[]) override { |
| 249 | this->startCommon(elem, SkDOM::kElement_Type); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 250 | return false; |
| 251 | } |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 252 | |
| 253 | bool onAddAttribute(const char name[], const char value[]) override { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 254 | SkDOM::Attr* attr = fAttrs.append(); |
| 255 | attr->fName = dupstr(fAlloc, name); |
| 256 | attr->fValue = dupstr(fAlloc, value); |
| 257 | return false; |
| 258 | } |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 259 | |
| 260 | bool onEndElement(const char elem[]) override { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 261 | --fLevel; |
| 262 | if (fNeedToFlush) |
| 263 | this->flushAttributes(); |
| 264 | fNeedToFlush = false; |
| 265 | |
| 266 | SkDOM::Node* parent; |
| 267 | |
| 268 | fParentStack.pop(&parent); |
| 269 | |
| 270 | SkDOM::Node* child = parent->fFirstChild; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 271 | SkDOM::Node* prev = nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 272 | while (child) |
| 273 | { |
| 274 | SkDOM::Node* next = child->fNextSibling; |
| 275 | child->fNextSibling = prev; |
| 276 | prev = child; |
| 277 | child = next; |
| 278 | } |
| 279 | parent->fFirstChild = prev; |
| 280 | return false; |
| 281 | } |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 282 | |
| 283 | bool onText(const char text[], int len) override { |
| 284 | SkString str(text, len); |
| 285 | this->startCommon(str.c_str(), SkDOM::kText_Type); |
| 286 | this->SkDOMParser::onEndElement(str.c_str()); |
| 287 | |
| 288 | return false; |
| 289 | } |
| 290 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 291 | private: |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 292 | void startCommon(const char elem[], SkDOM::Type type) { |
| 293 | if (fLevel > 0 && fNeedToFlush) |
| 294 | this->flushAttributes(); |
| 295 | |
| 296 | fNeedToFlush = true; |
| 297 | fElemName = dupstr(fAlloc, elem); |
| 298 | fElemType = type; |
| 299 | ++fLevel; |
| 300 | } |
| 301 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 302 | SkTDArray<SkDOM::Node*> fParentStack; |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 303 | SkChunkAlloc* fAlloc; |
| 304 | SkDOM::Node* fRoot; |
| 305 | bool fNeedToFlush; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 306 | |
| 307 | // state needed for flushAttributes() |
| 308 | SkTDArray<SkDOM::Attr> fAttrs; |
| 309 | char* fElemName; |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 310 | SkDOM::Type fElemType; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 311 | int fLevel; |
| 312 | }; |
| 313 | |
| 314 | const SkDOM::Node* SkDOM::build(const char doc[], size_t len) |
| 315 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 316 | SkDOMParser parser(&fAlloc); |
| 317 | if (!parser.parse(doc, len)) |
| 318 | { |
| 319 | SkDEBUGCODE(SkDebugf("xml parse error, line %d\n", parser.fParserError.getLineNumber());) |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 320 | fRoot = nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 321 | fAlloc.reset(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 322 | return nullptr; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 323 | } |
| 324 | fRoot = parser.getRoot(); |
| 325 | return fRoot; |
| 326 | } |
| 327 | |
| 328 | /////////////////////////////////////////////////////////////////////////// |
| 329 | |
| 330 | static void walk_dom(const SkDOM& dom, const SkDOM::Node* node, SkXMLParser* parser) |
| 331 | { |
| 332 | const char* elem = dom.getName(node); |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 333 | if (dom.getType(node) == SkDOM::kText_Type) { |
| 334 | SkASSERT(dom.countChildren(node) == 0); |
| 335 | parser->text(elem, SkToInt(strlen(elem))); |
| 336 | return; |
| 337 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 338 | |
| 339 | parser->startElement(elem); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 340 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 341 | SkDOM::AttrIter iter(dom, node); |
| 342 | const char* name; |
| 343 | const char* value; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 344 | while ((name = iter.next(&value)) != nullptr) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 345 | parser->addAttribute(name, value); |
| 346 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 347 | node = dom.getFirstChild(node, nullptr); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 348 | while (node) |
| 349 | { |
| 350 | walk_dom(dom, node, parser); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 351 | node = dom.getNextSibling(node, nullptr); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | parser->endElement(elem); |
| 355 | } |
| 356 | |
| 357 | const SkDOM::Node* SkDOM::copy(const SkDOM& dom, const SkDOM::Node* node) |
| 358 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 359 | SkDOMParser parser(&fAlloc); |
| 360 | |
| 361 | walk_dom(dom, node, &parser); |
| 362 | |
| 363 | fRoot = parser.getRoot(); |
| 364 | return fRoot; |
| 365 | } |
| 366 | |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 367 | SkXMLParser* SkDOM::beginParsing() { |
| 368 | SkASSERT(!fParser); |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 369 | fParser.reset(new SkDOMParser(&fAlloc)); |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 370 | |
| 371 | return fParser.get(); |
| 372 | } |
| 373 | |
| 374 | const SkDOM::Node* SkDOM::finishParsing() { |
| 375 | SkASSERT(fParser); |
| 376 | fRoot = fParser->getRoot(); |
bungeman | 43812e2 | 2016-03-17 09:53:58 -0700 | [diff] [blame^] | 377 | fParser.free(); |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 378 | |
| 379 | return fRoot; |
| 380 | } |
| 381 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 382 | ////////////////////////////////////////////////////////////////////////// |
| 383 | |
| 384 | int SkDOM::countChildren(const Node* node, const char elem[]) const |
| 385 | { |
| 386 | int count = 0; |
| 387 | |
| 388 | node = this->getFirstChild(node, elem); |
| 389 | while (node) |
| 390 | { |
| 391 | count += 1; |
| 392 | node = this->getNextSibling(node, elem); |
| 393 | } |
| 394 | return count; |
| 395 | } |
| 396 | |
| 397 | ////////////////////////////////////////////////////////////////////////// |
| 398 | |
| 399 | #include "SkParse.h" |
| 400 | |
| 401 | bool SkDOM::findS32(const Node* node, const char name[], int32_t* value) const |
| 402 | { |
| 403 | const char* vstr = this->findAttr(node, name); |
| 404 | return vstr && SkParse::FindS32(vstr, value); |
| 405 | } |
| 406 | |
| 407 | bool SkDOM::findScalars(const Node* node, const char name[], SkScalar value[], int count) const |
| 408 | { |
| 409 | const char* vstr = this->findAttr(node, name); |
| 410 | return vstr && SkParse::FindScalars(vstr, value, count); |
| 411 | } |
| 412 | |
| 413 | bool SkDOM::findHex(const Node* node, const char name[], uint32_t* value) const |
| 414 | { |
| 415 | const char* vstr = this->findAttr(node, name); |
| 416 | return vstr && SkParse::FindHex(vstr, value); |
| 417 | } |
| 418 | |
| 419 | bool SkDOM::findBool(const Node* node, const char name[], bool* value) const |
| 420 | { |
| 421 | const char* vstr = this->findAttr(node, name); |
| 422 | return vstr && SkParse::FindBool(vstr, value); |
| 423 | } |
| 424 | |
| 425 | int SkDOM::findList(const Node* node, const char name[], const char list[]) const |
| 426 | { |
| 427 | const char* vstr = this->findAttr(node, name); |
| 428 | return vstr ? SkParse::FindList(vstr, list) : -1; |
| 429 | } |
| 430 | |
| 431 | bool SkDOM::hasAttr(const Node* node, const char name[], const char value[]) const |
| 432 | { |
| 433 | const char* vstr = this->findAttr(node, name); |
| 434 | return vstr && !strcmp(vstr, value); |
| 435 | } |
| 436 | |
| 437 | bool SkDOM::hasS32(const Node* node, const char name[], int32_t target) const |
| 438 | { |
| 439 | const char* vstr = this->findAttr(node, name); |
| 440 | int32_t value; |
| 441 | return vstr && SkParse::FindS32(vstr, &value) && value == target; |
| 442 | } |
| 443 | |
| 444 | bool SkDOM::hasScalar(const Node* node, const char name[], SkScalar target) const |
| 445 | { |
| 446 | const char* vstr = this->findAttr(node, name); |
| 447 | SkScalar value; |
| 448 | return vstr && SkParse::FindScalar(vstr, &value) && value == target; |
| 449 | } |
| 450 | |
| 451 | bool SkDOM::hasHex(const Node* node, const char name[], uint32_t target) const |
| 452 | { |
| 453 | const char* vstr = this->findAttr(node, name); |
| 454 | uint32_t value; |
| 455 | return vstr && SkParse::FindHex(vstr, &value) && value == target; |
| 456 | } |
| 457 | |
| 458 | bool SkDOM::hasBool(const Node* node, const char name[], bool target) const |
| 459 | { |
| 460 | const char* vstr = this->findAttr(node, name); |
| 461 | bool value; |
| 462 | return vstr && SkParse::FindBool(vstr, &value) && value == target; |
| 463 | } |
| 464 | |
| 465 | ////////////////////////////////////////////////////////////////////////// |
| 466 | |
| 467 | #ifdef SK_DEBUG |
| 468 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 469 | void SkDOM::dump(const Node* node, int level) const |
| 470 | { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 471 | if (node == nullptr) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 472 | node = this->getRootNode(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 473 | |
fmalita | 7a04869 | 2015-02-20 13:54:40 -0800 | [diff] [blame] | 474 | SkDebugWStream debugStream; |
| 475 | SkXMLStreamWriter xmlWriter(&debugStream); |
| 476 | xmlWriter.writeDOM(*this, node, false); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 477 | } |
| 478 | |
| 479 | void SkDOM::UnitTest() |
| 480 | { |
| 481 | #ifdef SK_SUPPORT_UNITTEST |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 482 | static const char gDoc[] = |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 483 | "<root a='1' b='2'>" |
| 484 | "<elem1 c='3' />" |
| 485 | "<elem2 d='4' />" |
| 486 | "<elem3 e='5'>" |
| 487 | "<subelem1/>" |
| 488 | "<subelem2 f='6' g='7'/>" |
| 489 | "</elem3>" |
| 490 | "<elem4 h='8'/>" |
| 491 | "</root>" |
| 492 | ; |
| 493 | |
| 494 | SkDOM dom; |
| 495 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 496 | SkASSERT(dom.getRootNode() == nullptr); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 497 | |
| 498 | const Node* root = dom.build(gDoc, sizeof(gDoc) - 1); |
| 499 | SkASSERT(root && dom.getRootNode() == root); |
| 500 | |
| 501 | const char* v = dom.findAttr(root, "a"); |
| 502 | SkASSERT(v && !strcmp(v, "1")); |
| 503 | v = dom.findAttr(root, "b"); |
| 504 | SkASSERT(v && !strcmp(v, "2")); |
| 505 | v = dom.findAttr(root, "c"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 506 | SkASSERT(v == nullptr); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 507 | |
| 508 | SkASSERT(dom.getFirstChild(root, "elem1")); |
| 509 | SkASSERT(!dom.getFirstChild(root, "subelem1")); |
| 510 | |
| 511 | dom.dump(); |
| 512 | #endif |
| 513 | } |
| 514 | |
| 515 | #endif |