minimum support for xlsm

.gitignore

@@ -18,3 +18,4 @@ python/record.txt
 python/xlntpyarrow.egg-info/
 /x64/
 .envrc
+.vscode

include/xlnt/packaging/relationship.hpp

@@ -88,6 +88,7 @@ enum class XLNT_API relationship_type
     vml_drawing,
     volatile_dependencies,
     worksheet,
+    vbaproject,
 
     // Worksheet parts
     hyperlink,

include/xlnt/workbook/workbook.hpp

@@ -798,6 +798,11 @@ public:
     /// </summary>
     const std::vector<std::uint8_t> &thumbnail() const;
 
+    /// <summary>
+    /// Returns stored binary data.
+    /// </summary>
+    const std::unordered_map<std::string, std::vector<std::uint8_t>>& binaries() const;
+
     // Calculation properties
 
     /// <summary>

source/detail/implementations/workbook_impl.hpp

@@ -102,6 +102,7 @@ struct workbook_impl
             && manifest_ == other.manifest_
             && theme_ == other.theme_
             && images_ == other.images_
+            && binaries_ == other.binaries_
             && core_properties_ == other.core_properties_
             && extended_properties_ == other.extended_properties_
             && custom_properties_ == other.custom_properties_
@@ -130,6 +131,7 @@ struct workbook_impl
     manifest manifest_;
     optional<theme> theme_;
     std::unordered_map<std::string, std::vector<std::uint8_t>> images_;
+    std::unordered_map<std::string, std::vector<std::uint8_t>> binaries_;
 
     std::vector<std::pair<xlnt::core_property, variant>> core_properties_;
     std::vector<std::pair<xlnt::extended_property, variant>> extended_properties_;

source/detail/serialization/custom_value_traits.cpp

@@ -119,6 +119,8 @@ std::string to_string(relationship_type t)
         return "http://schemas.openxmlformats.org/officeDocument/2006/relationships/table";
     case relationship_type::volatile_dependencies:
         return "http://schemas.openxmlformats.org/officeDocument/2006/relationships/volatileDependencies";
+    case relationship_type::vbaproject:
+        return "http://schemas.microsoft.com/office/2006/relationships/vbaProject";
     case relationship_type::image:
         return "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image";
     case relationship_type::unknown:

source/detail/serialization/custom_value_traits.hpp

@@ -162,6 +162,8 @@ relationship_type from_string(const std::string &string)
         return relationship_type::table_definition;
     else if (string == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/volatileDependencies")
         return relationship_type::volatile_dependencies;
+    else if (string == "http://schemas.microsoft.com/office/2006/relationships/vbaProject")
+        return relationship_type::vbaproject;
     else if (string == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image")
         return relationship_type::image;
 

source/detail/serialization/xlsx_consumer.cpp

@@ -1240,6 +1240,13 @@ worksheet xlsx_consumer::read_worksheet_end(const std::string &rel_id)
         read_drawings(ws, drawings_part);
     }
 
+    if (manifest.has_relationship(sheet_path, xlnt::relationship_type::printer_settings))
+    {
+        read_part({workbook_rel, sheet_rel,
+            manifest.relationship(sheet_path,
+                relationship_type::printer_settings)});
+    }
+
     return ws;
 }
 
@@ -1557,6 +1564,7 @@ void xlsx_consumer::read_part(const std::vector<relationship> &rel_chain)
         break;
 
     case relationship_type::printer_settings:
+        read_binary(part_path);
         break;
 
     case relationship_type::custom_property:
@@ -1589,6 +1597,10 @@ void xlsx_consumer::read_part(const std::vector<relationship> &rel_chain)
     case relationship_type::table_definition:
         break;
 
+    case relationship_type::vbaproject:
+        read_binary(part_path);
+        break;
+
     case relationship_type::image:
         read_image(part_path);
         break;
@@ -1733,7 +1745,10 @@ void xlsx_consumer::read_office_document(const std::string &content_type) // CT_
             "openxmlformats-officedocument.spreadsheetml.sheet.main+xml"
         && content_type !=
             "application/vnd."
-            "openxmlformats-officedocument.spreadsheetml.template.main+xml")
+            "openxmlformats-officedocument.spreadsheetml.template.main+xml"
+        && content_type !=
+            "application/vnd."
+            "ms-excel.sheet.macroEnabled.main+xml")
     {
         throw xlnt::invalid_file(content_type);
     }
@@ -1995,25 +2010,20 @@ void xlsx_consumer::read_office_document(const std::string &content_type) // CT_
     auto workbook_rel = manifest().relationship(path("/"), relationship_type::office_document);
     auto workbook_path = workbook_rel.target().path();
 
-    if (manifest().has_relationship(workbook_path, relationship_type::shared_string_table))
+    const auto rel_types = {
-    {
+        relationship_type::shared_string_table,
-        read_part({workbook_rel,
+        relationship_type::stylesheet,
-            manifest().relationship(workbook_path,
+        relationship_type::theme,
-                relationship_type::shared_string_table)});
+        relationship_type::vbaproject,
-    }
+    };
 
-    if (manifest().has_relationship(workbook_path, relationship_type::stylesheet))
+    for (auto rel_type : rel_types)
+    {
+        if (manifest().has_relationship(workbook_path, rel_type))
         {
             read_part({workbook_rel,
-            manifest().relationship(workbook_path,
+                manifest().relationship(workbook_path, rel_type)});
-                relationship_type::stylesheet)});
         }
-
-    if (manifest().has_relationship(workbook_path, relationship_type::theme))
-    {
-        read_part({workbook_rel,
-            manifest().relationship(workbook_path,
-                relationship_type::theme)});
     }
 
     for (auto worksheet_rel : manifest().relationships(workbook_path, relationship_type::worksheet))
@@ -2907,6 +2917,14 @@ void xlsx_consumer::read_image(const xlnt::path &image_path)
     out_stream << image_streambuf.get();
 }
 
+void xlsx_consumer::read_binary(const xlnt::path &binary_path)
+{
+    auto binary_streambuf = archive_->open(binary_path);
+    vector_ostreambuf buffer(target_.d_->binaries_[binary_path.string()]);
+    std::ostream out_stream(&buffer);
+    out_stream << binary_streambuf.get();
+}
+
 std::string xlsx_consumer::read_text()
 {
     auto text = std::string();

source/detail/serialization/xlsx_consumer.hpp

@@ -252,6 +252,11 @@ private:
 	/// </summary>
 	void read_image(const path &part);
 
+	/// <summary>
+	///
+	/// </summary>
+	void read_binary(const path &part);
+
     // Common Section Readers
 
     /// <summary>

source/detail/serialization/xlsx_producer.cpp

@@ -182,7 +182,10 @@ void xlsx_producer::begin_part(const path &part)
     end_part();
     current_part_streambuf_ = archive_->open(part);
     current_part_stream_.rdbuf(current_part_streambuf_.get());
-    current_part_serializer_.reset(new xml::serializer(current_part_stream_, part.string()));
+
+    auto xml_serializer = new xml::serializer(current_part_stream_, part.string(), 0);
+    xml_serializer->xml_decl("1.0", "UTF-8", "yes");
+    current_part_serializer_.reset(xml_serializer);
 }
 
 // Package Parts
@@ -672,6 +675,16 @@ void xlsx_producer::write_workbook(const relationship &rel)
         if (child_rel.type() == relationship_type::calculation_chain) continue;
 
         path archive_path(child_rel.source().path().parent().append(child_rel.target().path()));
+        
+        // write binary
+        switch (child_rel.type())
+        {
+        case relationship_type::vbaproject:
+            write_binary(archive_path);
+            continue;
+        }
+
+        // write xml
         begin_part(archive_path);
 
         switch (child_rel.type())
@@ -766,6 +779,8 @@ void xlsx_producer::write_workbook(const relationship &rel)
             break;
         case relationship_type::table_definition:
             break;
+        case relationship_type::vbaproject:
+            break;
         case relationship_type::image:
             break;
         }
@@ -3033,6 +3048,12 @@ void xlsx_producer::write_worksheet(const relationship &rel)
             archive_path = std::accumulate(split_part_path.begin(), split_part_path.end(), path(""),
                 [](const path &a, const std::string &b) { return a.append(b); });
 
+            if (child_rel.type() == relationship_type::printer_settings)
+            {
+                write_binary(archive_path);
+            }
+            else
+            {
                 begin_part(archive_path);
 
                 if (child_rel.type() == relationship_type::comments)
@@ -3050,6 +3071,7 @@ void xlsx_producer::write_worksheet(const relationship &rel)
             }
         }
     }
+}
 
 // Sheet Relationship Target Parts
 
@@ -3303,6 +3325,15 @@ void xlsx_producer::write_image(const path &image_path)
     std::ostream(image_streambuf.get()) << &buffer;
 }
 
+void xlsx_producer::write_binary(const path &binary_path)
+{
+    end_part();
+
+    vector_istreambuf buffer(source_.d_->binaries_.at(binary_path.string()));
+    auto image_streambuf = archive_->open(binary_path);
+    std::ostream(image_streambuf.get()) << &buffer;
+}
+
 std::string xlsx_producer::write_bool(bool boolean) const
 {
     return boolean ? "1" : "0";

source/detail/serialization/xlsx_producer.hpp

@@ -99,6 +99,7 @@ private:
     void write_extended_properties(const relationship &rel);
     void write_custom_properties(const relationship &rel);
     void write_image(const path &image_path);
+    void write_binary(const path &binary_path);
 
 	// SpreadsheetML-Specific Package Parts
 

source/workbook/workbook.cpp

@@ -167,6 +167,8 @@ xlnt::path default_path(xlnt::relationship_type type, std::size_t index = 0)
         return path("/xl/vmlDrawing.xml");
     case relationship_type::volatile_dependencies:
         return path("/xl/volatileDependencies.xml");
+    case relationship_type::vbaproject:
+        return path("/xl/vbaProject.bin");
     case relationship_type::worksheet:
         return path("/xl/worksheets/sheet" + std::to_string(index) + ".xml");
     }
@@ -246,6 +248,8 @@ std::string content_type(xlnt::relationship_type type)
         return "application/vnd.openxmlformats-officedocument.vmlDrawing";
     case relationship_type::volatile_dependencies:
         return "application/vnd.openxmlformats-officedocument.spreadsheetml.volatileDependencies+xml";
+    case relationship_type::vbaproject:
+        return "application/vnd.ms-office.vbaProject";        
     case relationship_type::worksheet:
         return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml";
     }
@@ -1439,6 +1443,11 @@ const std::vector<std::uint8_t> &workbook::thumbnail() const
     return d_->images_.at(thumbnail_rel.target().to_string());
 }
 
+const std::unordered_map<std::string, std::vector<std::uint8_t>> &workbook::binaries() const
+{
+    return d_->binaries_;
+}
+
 style workbook::create_style(const std::string &name)
 {
     return d_->stylesheet_.get().create_style(name);

tests/worksheet/worksheet_test_suite.cpp

@@ -113,6 +113,7 @@ public:
         register_test(test_insert_too_many);
         register_test(test_insert_delete_moves_merges);
         register_test(test_hidden_sheet);
+        register_test(test_xlsm_read_write);
     }
 
     void test_new_worksheet()
@@ -1590,5 +1591,53 @@ public:
         wb.load(path_helper::test_file("16_hidden_sheet.xlsx"));
         xlnt_assert_equals(wb.sheet_hidden_by_index(1), true);
     }
+
+    void test_xlsm_read_write()
+    {
+        {
+            xlnt::workbook wb;
+            wb.load(path_helper::test_file("17_xlsm.xlsm"));
+
+            auto ws = wb.sheet_by_title("Sheet1");
+            auto rows = ws.rows();
+
+            xlnt_assert_equals(rows[0][0].value<std::string>(), "Values");
+            xlnt_assert_equals(rows[1][0].value<int>(), 100);
+            xlnt_assert_equals(rows[2][0].value<int>(), 200);
+            xlnt_assert_equals(rows[3][0].value<int>(), 300);
+            xlnt_assert_equals(rows[4][0].value<int>(), 400);
+            xlnt_assert_equals(rows[5][0].value<int>(), 500);
+
+            xlnt_assert_equals(rows[0][1].value<std::string>(), "Sum");
+            xlnt_assert_equals(rows[1][1].formula(), "SumVBA(A2:A6)");
+            xlnt_assert_equals(rows[1][1].value<int>(), 1500);
+
+            // change sheet value
+            ws.cell("A6").value(1000);
+
+            wb.save("17_xlsm_modified.xlsm");
+        }
+
+        {
+            xlnt::workbook wb;
+            wb.load("17_xlsm_modified.xlsm");
+
+            auto ws = wb.sheet_by_title("Sheet1");
+            auto rows = ws.rows();
+
+            xlnt_assert_equals(rows[0][0].value<std::string>(), "Values");
+            xlnt_assert_equals(rows[1][0].value<int>(), 100);
+            xlnt_assert_equals(rows[2][0].value<int>(), 200);
+            xlnt_assert_equals(rows[3][0].value<int>(), 300);
+            xlnt_assert_equals(rows[4][0].value<int>(), 400);
+            // sheet value changed (500 -> 1000)
+            xlnt_assert_equals(rows[5][0].value<int>(), 1000);
+
+            xlnt_assert_equals(rows[0][1].value<std::string>(), "Sum");            
+            xlnt_assert_equals(rows[1][1].formula(), "SumVBA(A2:A6)");
+            // formula value not changed (we can't execute vba)
+            xlnt_assert_equals(rows[1][1].value<int>(), 1500);
+        }
+    }
 };
 static worksheet_test_suite x;