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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // The basic usage of the Filter interface is described in the comment at | 5 // The basic usage of the Filter interface is described in the comment at |
6 // the beginning of filter.h. If Filter::Factory is passed a vector of | 6 // the beginning of filter.h. If Filter::Factory is passed a vector of |
7 // size greater than 1, that interface is implemented by a series of filters | 7 // size greater than 1, that interface is implemented by a series of filters |
8 // connected in a chain. In such a case the first filter | 8 // connected in a chain. In such a case the first filter |
9 // in the chain proxies calls to ReadData() so that its return values | 9 // in the chain proxies calls to ReadData() so that its return values |
10 // apply to the entire chain. | 10 // apply to the entire chain. |
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49 const char kTextHtml[] = "text/html"; | 49 const char kTextHtml[] = "text/html"; |
50 | 50 |
51 // Buffer size allocated when de-compressing data. | 51 // Buffer size allocated when de-compressing data. |
52 const int kFilterBufSize = 32 * 1024; | 52 const int kFilterBufSize = 32 * 1024; |
53 | 53 |
54 void LogSdchProblem(const FilterContext& filter_context, | 54 void LogSdchProblem(const FilterContext& filter_context, |
55 SdchProblemCode problem) { | 55 SdchProblemCode problem) { |
56 SdchManager::SdchErrorRecovery(problem); | 56 SdchManager::SdchErrorRecovery(problem); |
57 filter_context.GetNetLog().AddEvent( | 57 filter_context.GetNetLog().AddEvent( |
58 NetLog::TYPE_SDCH_DECODING_ERROR, | 58 NetLog::TYPE_SDCH_DECODING_ERROR, |
59 base::Bind(&NetLogSdchResourceProblemCallback, problem)); | 59 base::Bind(NetLogSdchResourceProblemCallback, problem)); |
60 } | 60 } |
61 | 61 |
62 std::string FilterTypeAsString(Filter::FilterType type_id) { | 62 std::string FilterTypeAsString(Filter::FilterType type_id) { |
63 switch (type_id) { | 63 switch (type_id) { |
64 case Filter::FILTER_TYPE_DEFLATE: | 64 case Filter::FILTER_TYPE_DEFLATE: |
65 return "FILTER_TYPE_DEFLATE"; | 65 return "FILTER_TYPE_DEFLATE"; |
66 case Filter::FILTER_TYPE_GZIP: | 66 case Filter::FILTER_TYPE_GZIP: |
67 return "FILTER_TYPE_GZIP"; | 67 return "FILTER_TYPE_GZIP"; |
68 case Filter::FILTER_TYPE_GZIP_HELPING_SDCH: | 68 case Filter::FILTER_TYPE_GZIP_HELPING_SDCH: |
69 return "FILTER_TYPE_GZIP_HELPING_SDCH"; | 69 return "FILTER_TYPE_GZIP_HELPING_SDCH"; |
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403 | 403 |
404 void Filter::PushDataIntoNextFilter() { | 404 void Filter::PushDataIntoNextFilter() { |
405 IOBuffer* next_buffer = next_filter_->stream_buffer(); | 405 IOBuffer* next_buffer = next_filter_->stream_buffer(); |
406 int next_size = next_filter_->stream_buffer_size(); | 406 int next_size = next_filter_->stream_buffer_size(); |
407 last_status_ = ReadFilteredData(next_buffer->data(), &next_size); | 407 last_status_ = ReadFilteredData(next_buffer->data(), &next_size); |
408 if (FILTER_ERROR != last_status_) | 408 if (FILTER_ERROR != last_status_) |
409 next_filter_->FlushStreamBuffer(next_size); | 409 next_filter_->FlushStreamBuffer(next_size); |
410 } | 410 } |
411 | 411 |
412 } // namespace net | 412 } // namespace net |
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