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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "pdf/pdfium/pdfium_engine.h" | 5 #include "pdf/pdfium/pdfium_engine.h" |
6 | 6 |
7 #include <math.h> | 7 #include <math.h> |
8 | 8 |
9 #include "base/json/json_writer.h" | 9 #include "base/json/json_writer.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/stl_util.h" | 12 #include "base/stl_util.h" |
13 #include "base/strings/string_number_conversions.h" | 13 #include "base/strings/string_number_conversions.h" |
14 #include "base/strings/string_piece.h" | 14 #include "base/strings/string_piece.h" |
15 #include "base/strings/string_util.h" | 15 #include "base/strings/string_util.h" |
16 #include "base/strings/utf_string_conversions.h" | 16 #include "base/strings/utf_string_conversions.h" |
17 #include "base/values.h" | 17 #include "base/values.h" |
18 #include "pdf/draw_utils.h" | 18 #include "pdf/draw_utils.h" |
| 19 #include "pdf/pdfium/pdfium_api_string_buffer_adapter.h" |
19 #include "pdf/pdfium/pdfium_mem_buffer_file_read.h" | 20 #include "pdf/pdfium/pdfium_mem_buffer_file_read.h" |
20 #include "pdf/pdfium/pdfium_mem_buffer_file_write.h" | 21 #include "pdf/pdfium/pdfium_mem_buffer_file_write.h" |
21 #include "ppapi/c/pp_errors.h" | 22 #include "ppapi/c/pp_errors.h" |
22 #include "ppapi/c/pp_input_event.h" | 23 #include "ppapi/c/pp_input_event.h" |
23 #include "ppapi/c/ppb_core.h" | 24 #include "ppapi/c/ppb_core.h" |
24 #include "ppapi/c/private/ppb_pdf.h" | 25 #include "ppapi/c/private/ppb_pdf.h" |
25 #include "ppapi/cpp/dev/memory_dev.h" | 26 #include "ppapi/cpp/dev/memory_dev.h" |
26 #include "ppapi/cpp/input_event.h" | 27 #include "ppapi/cpp/input_event.h" |
27 #include "ppapi/cpp/instance.h" | 28 #include "ppapi/cpp/instance.h" |
28 #include "ppapi/cpp/module.h" | 29 #include "ppapi/cpp/module.h" |
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2061 if (character_to_start_searching_from) { | 2062 if (character_to_start_searching_from) { |
2062 text_length -= character_to_start_searching_from; | 2063 text_length -= character_to_start_searching_from; |
2063 } else if (!first_search && | 2064 } else if (!first_search && |
2064 last_character_index_to_search_ != -1 && | 2065 last_character_index_to_search_ != -1 && |
2065 current_page == last_page_to_search_) { | 2066 current_page == last_page_to_search_) { |
2066 text_length = last_character_index_to_search_; | 2067 text_length = last_character_index_to_search_; |
2067 } | 2068 } |
2068 if (text_length <= 0) | 2069 if (text_length <= 0) |
2069 return; | 2070 return; |
2070 | 2071 |
| 2072 PDFiumAPIStringBufferAdapter<base::string16> api_string_adapter(&page_text, |
| 2073 text_length, |
| 2074 false); |
2071 unsigned short* data = | 2075 unsigned short* data = |
2072 reinterpret_cast<unsigned short*>(WriteInto(&page_text, text_length + 1)); | 2076 reinterpret_cast<unsigned short*>(api_string_adapter.GetData()); |
2073 // |written| includes the trailing terminator, so get rid of the trailing | |
2074 // NUL character by calling resize(). | |
2075 int written = FPDFText_GetText(pages_[current_page]->GetTextPage(), | 2077 int written = FPDFText_GetText(pages_[current_page]->GetTextPage(), |
2076 character_to_start_searching_from, | 2078 character_to_start_searching_from, |
2077 text_length, | 2079 text_length, |
2078 data); | 2080 data); |
2079 if (written < 1) | 2081 api_string_adapter.Close(written); |
2080 page_text.resize(0); | |
2081 else | |
2082 page_text.resize(written - 1); | |
2083 | 2082 |
2084 std::vector<PDFEngine::Client::SearchStringResult> results; | 2083 std::vector<PDFEngine::Client::SearchStringResult> results; |
2085 client_->SearchString( | 2084 client_->SearchString( |
2086 page_text.c_str(), term.c_str(), case_sensitive, &results); | 2085 page_text.c_str(), term.c_str(), case_sensitive, &results); |
2087 for (size_t i = 0; i < results.size(); ++i) { | 2086 for (size_t i = 0; i < results.size(); ++i) { |
2088 // Need to map the indexes from the page text, which may have generated | 2087 // Need to map the indexes from the page text, which may have generated |
2089 // characters like space etc, to character indices from the page. | 2088 // characters like space etc, to character indices from the page. |
2090 int temp_start = results[i].start_index + character_to_start_searching_from; | 2089 int temp_start = results[i].start_index + character_to_start_searching_from; |
2091 int start = FPDFText_GetCharIndexFromTextIndex( | 2090 int start = FPDFText_GetCharIndexFromTextIndex( |
2092 pages_[current_page]->GetTextPage(), temp_start); | 2091 pages_[current_page]->GetTextPage(), temp_start); |
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3916 double* height) { | 3915 double* height) { |
3917 FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL); | 3916 FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL); |
3918 if (!doc) | 3917 if (!doc) |
3919 return false; | 3918 return false; |
3920 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; | 3919 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; |
3921 FPDF_CloseDocument(doc); | 3920 FPDF_CloseDocument(doc); |
3922 return success; | 3921 return success; |
3923 } | 3922 } |
3924 | 3923 |
3925 } // namespace chrome_pdf | 3924 } // namespace chrome_pdf |
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