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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "core/page/PageSerializer.h" | 32 #include "core/page/PageSerializer.h" |
33 | 33 |
34 #include "core/HTMLNames.h" | 34 #include "core/HTMLNames.h" |
35 #include "core/InputTypeNames.h" | 35 #include "core/InputTypeNames.h" |
36 #include "core/css/CSSFontFaceRule.h" | 36 #include "core/css/CSSFontFaceRule.h" |
37 #include "core/css/CSSFontFaceSrcValue.h" | 37 #include "core/css/CSSFontFaceSrcValue.h" |
38 #include "core/css/CSSImageValue.h" | 38 #include "core/css/CSSImageValue.h" |
39 #include "core/css/CSSImportRule.h" | 39 #include "core/css/CSSImportRule.h" |
| 40 #include "core/css/CSSRuleList.h" |
40 #include "core/css/CSSStyleDeclaration.h" | 41 #include "core/css/CSSStyleDeclaration.h" |
41 #include "core/css/CSSStyleRule.h" | 42 #include "core/css/CSSStyleRule.h" |
42 #include "core/css/CSSValueList.h" | 43 #include "core/css/CSSValueList.h" |
43 #include "core/css/StylePropertySet.h" | 44 #include "core/css/StylePropertySet.h" |
44 #include "core/css/StyleRule.h" | 45 #include "core/css/StyleRule.h" |
45 #include "core/css/StyleSheetContents.h" | 46 #include "core/css/StyleSheetContents.h" |
46 #include "core/dom/Document.h" | 47 #include "core/dom/Document.h" |
47 #include "core/dom/Element.h" | 48 #include "core/dom/Element.h" |
48 #include "core/dom/Text.h" | 49 #include "core/dom/Text.h" |
49 #include "core/editing/MarkupAccumulator.h" | 50 #include "core/editing/MarkupAccumulator.h" |
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295 { | 296 { |
296 StringBuilder cssText; | 297 StringBuilder cssText; |
297 for (unsigned i = 0; i < styleSheet.length(); ++i) { | 298 for (unsigned i = 0; i < styleSheet.length(); ++i) { |
298 CSSRule* rule = styleSheet.item(i); | 299 CSSRule* rule = styleSheet.item(i); |
299 String itemText = rule->cssText(); | 300 String itemText = rule->cssText(); |
300 if (!itemText.isEmpty()) { | 301 if (!itemText.isEmpty()) { |
301 cssText.append(itemText); | 302 cssText.append(itemText); |
302 if (i < styleSheet.length() - 1) | 303 if (i < styleSheet.length() - 1) |
303 cssText.appendLiteral("\n\n"); | 304 cssText.appendLiteral("\n\n"); |
304 } | 305 } |
305 ASSERT(styleSheet.ownerDocument()); | 306 |
306 Document& document = *styleSheet.ownerDocument(); | |
307 // Some rules have resources associated with them that we need to retrie
ve. | 307 // Some rules have resources associated with them that we need to retrie
ve. |
308 if (rule->type() == CSSRule::IMPORT_RULE) { | 308 serializeCSSRule(rule); |
309 CSSImportRule* importRule = toCSSImportRule(rule); | |
310 ASSERT(styleSheet.baseURL().isValid()); | |
311 KURL importURL = KURL(styleSheet.baseURL(), importRule->href()); | |
312 if (m_resourceURLs.contains(importURL)) | |
313 continue; | |
314 if (importRule->styleSheet()) | |
315 serializeCSSStyleSheet(*importRule->styleSheet(), importURL); | |
316 } else if (rule->type() == CSSRule::FONT_FACE_RULE) { | |
317 retrieveResourcesForProperties(&toCSSFontFaceRule(rule)->styleRule()
->properties(), document); | |
318 } else if (rule->type() == CSSRule::STYLE_RULE) { | |
319 retrieveResourcesForProperties(&toCSSStyleRule(rule)->styleRule()->p
roperties(), document); | |
320 } | |
321 } | 309 } |
322 | 310 |
323 if (url.isValid() && !m_resourceURLs.contains(url)) { | 311 if (url.isValid() && !m_resourceURLs.contains(url)) { |
324 // FIXME: We should check whether a charset has been specified and if no
ne was found add one. | 312 // FIXME: We should check whether a charset has been specified and if no
ne was found add one. |
325 WTF::TextEncoding textEncoding(styleSheet.contents()->charset()); | 313 WTF::TextEncoding textEncoding(styleSheet.contents()->charset()); |
326 ASSERT(textEncoding.isValid()); | 314 ASSERT(textEncoding.isValid()); |
327 String textString = cssText.toString(); | 315 String textString = cssText.toString(); |
328 CString text = textEncoding.normalizeAndEncode(textString, WTF::Entities
ForUnencodables); | 316 CString text = textEncoding.normalizeAndEncode(textString, WTF::Entities
ForUnencodables); |
329 m_resources->append(SerializedResource(url, String("text/css"), SharedBu
ffer::create(text.data(), text.length()))); | 317 m_resources->append(SerializedResource(url, String("text/css"), SharedBu
ffer::create(text.data(), text.length()))); |
330 m_resourceURLs.add(url); | 318 m_resourceURLs.add(url); |
331 } | 319 } |
332 } | 320 } |
333 | 321 |
| 322 void PageSerializer::serializeCSSRule(CSSRule* rule) |
| 323 { |
| 324 ASSERT(rule->parentStyleSheet()->ownerDocument()); |
| 325 Document& document = *rule->parentStyleSheet()->ownerDocument(); |
| 326 |
| 327 switch (rule->type()) { |
| 328 case CSSRule::STYLE_RULE: |
| 329 retrieveResourcesForProperties(&toCSSStyleRule(rule)->styleRule()->prope
rties(), document); |
| 330 break; |
| 331 |
| 332 case CSSRule::IMPORT_RULE: { |
| 333 CSSImportRule* importRule = toCSSImportRule(rule); |
| 334 KURL sheetBaseURL = rule->parentStyleSheet()->baseURL(); |
| 335 ASSERT(sheetBaseURL.isValid()); |
| 336 KURL importURL = KURL(sheetBaseURL, importRule->href()); |
| 337 if (m_resourceURLs.contains(importURL)) |
| 338 break; |
| 339 if (importRule->styleSheet()) |
| 340 serializeCSSStyleSheet(*importRule->styleSheet(), importURL); |
| 341 break; |
| 342 } |
| 343 |
| 344 // Rules inheriting CSSGroupingRule |
| 345 case CSSRule::MEDIA_RULE: |
| 346 case CSSRule::SUPPORTS_RULE: { |
| 347 CSSRuleList* ruleList = rule->cssRules(); |
| 348 for (unsigned i = 0; i < ruleList->length(); ++i) |
| 349 serializeCSSRule(ruleList->item(i)); |
| 350 break; |
| 351 } |
| 352 |
| 353 case CSSRule::FONT_FACE_RULE: |
| 354 retrieveResourcesForProperties(&toCSSFontFaceRule(rule)->styleRule()->pr
operties(), document); |
| 355 break; |
| 356 |
| 357 // Rules in which no external resources can be referenced |
| 358 case CSSRule::CHARSET_RULE: |
| 359 case CSSRule::PAGE_RULE: |
| 360 case CSSRule::KEYFRAMES_RULE: |
| 361 case CSSRule::KEYFRAME_RULE: |
| 362 case CSSRule::VIEWPORT_RULE: |
| 363 break; |
| 364 |
| 365 default: |
| 366 ASSERT_NOT_REACHED(); |
| 367 } |
| 368 } |
| 369 |
334 bool PageSerializer::shouldAddURL(const KURL& url) | 370 bool PageSerializer::shouldAddURL(const KURL& url) |
335 { | 371 { |
336 return url.isValid() && !m_resourceURLs.contains(url) && !url.protocolIsData
(); | 372 return url.isValid() && !m_resourceURLs.contains(url) && !url.protocolIsData
(); |
337 } | 373 } |
338 | 374 |
339 void PageSerializer::addToResources(Resource* resource, PassRefPtr<SharedBuffer>
data, const KURL& url) | 375 void PageSerializer::addToResources(Resource* resource, PassRefPtr<SharedBuffer>
data, const KURL& url) |
340 { | 376 { |
341 if (!data) { | 377 if (!data) { |
342 WTF_LOG_ERROR("No data for resource %s", url.string().utf8().data()); | 378 WTF_LOG_ERROR("No data for resource %s", url.string().utf8().data()); |
343 return; | 379 return; |
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423 | 459 |
424 return fakeURL; | 460 return fakeURL; |
425 } | 461 } |
426 | 462 |
427 PageSerializer::Delegate* PageSerializer::delegate() | 463 PageSerializer::Delegate* PageSerializer::delegate() |
428 { | 464 { |
429 return m_delegate.get(); | 465 return m_delegate.get(); |
430 } | 466 } |
431 | 467 |
432 } // namespace blink | 468 } // namespace blink |
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