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[29_1] attach tm doc in exporting pdf and load the pdf
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| Original file line number | Diff line number | Diff line change |
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| <TeXmacs|2.1.2> | ||
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| <style|<tuple|generic|british>> | ||
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| <\initial> | ||
| <\collection> | ||
| <associate|page-medium|paper> | ||
| </collection> | ||
| </initial> |
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| Original file line number | Diff line number | Diff line change |
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| /****************************************************************************** | ||
| * MODULE : pdf_hummus_get_attachment.cpp | ||
| * DESCRIPTION: Interface for getting attachment file in pdf | ||
| * COPYRIGHT : (C) 2023 Tangdouer | ||
| ******************************************************************************* | ||
| * This software falls under the GNU general public license version 3 or later. | ||
| * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE | ||
| * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>. | ||
| ******************************************************************************/ | ||
| #include "PDFWriter/PDFWriter.h" | ||
| #include "PDFWriter/SafeBufferMacrosDefs.h" | ||
| #include "PDFWriter/Trace.h" | ||
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| #include "PDFWriter/InputFileStream.h" | ||
| #include "PDFWriter/OutputBufferedStream.h" | ||
| #include "PDFWriter/OutputFileStream.h" | ||
| #include "PDFWriter/OutputStreamTraits.h" | ||
| #include "PDFWriter/PDFArray.h" | ||
| #include "PDFWriter/PDFLiteralString.h" | ||
| #include "PDFWriter/PDFObjectCast.h" | ||
| #include "PDFWriter/PDFParser.h" | ||
| #include "PDFWriter/PDFStreamInput.h" | ||
| using namespace PDFHummus; | ||
| #include <utility> | ||
| using namespace IOBasicTypes; | ||
| #include "pdf_hummus_get_attachment.hpp" | ||
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| bool | ||
| get_tm_attachments_in_pdf (url pdf_path, array<url>& names) { | ||
| EStatusCode status= PDFHummus::eSuccess; | ||
| InputFile pdfFile; | ||
| PDFParser parser; | ||
| do { | ||
| status= pdfFile.OpenFile (as_charp (as_string (pdf_path))); | ||
| if (status != PDFHummus::eSuccess) { | ||
| cout << "fail to open " << as_string (pdf_path) << LF; | ||
| break; | ||
| } | ||
| parser.StartPDFParsing (pdfFile.GetInputStream ()); | ||
| PDFObjectCastPtr<PDFDictionary> catalog ( | ||
| parser.QueryDictionaryObject (parser.GetTrailer (), "Root")); | ||
| // return 0; | ||
| if (!catalog) { | ||
| cout << "Can't find catalog. fail\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
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| PDFObjectCastPtr<PDFDictionary> d_1 (catalog->QueryDirectObject ("Names")); | ||
| if (!d_1) { | ||
| cout << "Can't find d1. fail\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
| PDFObjectCastPtr<PDFDictionary> d_2 ( | ||
| d_1->QueryDirectObject ("EmbeddedFiles")); | ||
| if (!d_2) { | ||
| cout << "Can't find d2. fail\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
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| PDFObjectCastPtr<PDFArray> arr (d_2->QueryDirectObject ("Names")); | ||
| if (!arr) { | ||
| cout << "Can't find arr. fail\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
| unsigned long n= arr->GetLength (); | ||
| if (n & 1) { | ||
| cout << "n is wrong\n"; | ||
| break; | ||
| } | ||
| for (unsigned long i= 0; i < n; i+= 2) { | ||
| PDFObjectCastPtr<PDFLiteralString> name (arr->QueryObject (i)); | ||
| if (!name) { | ||
| cout << "Can't find name\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
| PDFObjectCastPtr<PDFDictionary> arr_d1 (arr->QueryObject (i + 1)); | ||
| if (!arr_d1) { | ||
| cout << "Can't find arr_d1\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
| PDFObjectCastPtr<PDFDictionary> arr_d2 (arr_d1->QueryDirectObject ("EF")); | ||
| if (!arr_d2) { | ||
| cout << "Can't find arr_d2\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
| PDFObjectCastPtr<PDFStreamInput> stream ( | ||
| parser.QueryDictionaryObject (arr_d2.GetPtr (), "F")); | ||
| if (!stream) { | ||
| cout << "Can't find stream\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
| PDFDictionary* dir= stream->QueryStreamDictionary (); | ||
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| IByteReader* streamReader= | ||
| parser.CreateInputStreamReader (stream.GetPtr ()); | ||
| if (!streamReader) { | ||
| cout << "Can't find streamReader\n"; | ||
| status= PDFHummus::eFailure; | ||
| break; | ||
| } | ||
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| url attachment_path= | ||
| relative (pdf_path, url (string (name->GetValue ().c_str ()))); | ||
| OutputFile attachment_file; | ||
| status= attachment_file.OpenFile ( | ||
| std::string (as_charp (as_string (attachment_path)))); | ||
| if (status != PDFHummus::eSuccess) { | ||
| cout << "fail to open " << as_string (attachment_path) << LF; | ||
| break; | ||
| } | ||
| pdfFile.GetInputStream ()->SetPosition (stream->GetStreamContentStart ()); | ||
| OutputStreamTraits copy_help ( | ||
| (IByteWriter*) attachment_file.GetOutputStream ()); | ||
| status= copy_help.CopyToOutputStream (streamReader); | ||
| if (status != PDFHummus::eSuccess) { | ||
| cout << "Can't CopyToOutputStream\n"; | ||
| break; | ||
| } | ||
| status= attachment_file.CloseFile (); | ||
| if (status != PDFHummus::eSuccess) { | ||
| cout << "fail to close " << as_string (attachment_path) << LF; | ||
| break; | ||
| } | ||
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| names= append (attachment_path, names); | ||
| cout << "\n\n" << names << LF; | ||
| delete streamReader; | ||
| } | ||
| } while (0); | ||
| if (status == PDFHummus::eFailure) return false; | ||
| else return true; | ||
| } | ||
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| bool | ||
| get_tm_attachment_in_pdf (url pdf_path, url& name) { | ||
| array<url> names; | ||
| if (get_tm_attachments_in_pdf (pdf_path, names)) { | ||
| if (N (names) != 1) { | ||
| cout << "TODO: many attachment" << LF; | ||
| return false; | ||
| } | ||
| name= names[0]; | ||
| return true; | ||
| } | ||
| else { | ||
| return false; | ||
| } | ||
| } | ||
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| bool | ||
| scm_get_attachments (url pdf_path) { | ||
| array<url> attachments_paths; | ||
| return get_tm_attachments_in_pdf (pdf_path, attachments_paths); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /****************************************************************************** | ||
| * MODULE : pdf_hummus_get_attachment.cpp | ||
| * DESCRIPTION: Interface for getting attachment file in pdf | ||
| * COPYRIGHT : (C) 2023 Tangdouer | ||
| ******************************************************************************* | ||
| * This software falls under the GNU general public license version 3 or later. | ||
| * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE | ||
| * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>. | ||
| ******************************************************************************/ | ||
| #ifndef PDF_HUMMUS_GET_ATTACHMENT_H | ||
| #define PDF_HUMMUS_GET_ATTACHMENT_H | ||
| #include "hashmap.hpp" | ||
| #include "iterator.hpp" | ||
| #include "list.hpp" | ||
| #include "string.hpp" | ||
| #include "tm_ostream.hpp" | ||
| #include "url.hpp" | ||
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| bool get_tm_attachments_in_pdf (url pdf_path, array<url>& names); | ||
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| bool get_tm_attachment_in_pdf (url pdf_path, url& name); | ||
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| bool scm_get_attachments (url pdf_path); | ||
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| #endif // ifdef PDF_HUMMUS_MAKE_ATTACHMENT_H |
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