More robust file reading for simulator files.

common/richio.cpp

@@ -106,6 +106,47 @@ std::string StrPrintf( const char* format, ... )
 }
 
 
+wxString SafeReadFile( const wxString& aFilePath, const wxString& aReadType )
+{
+    auto FROM_UTF8_WINE =
+            []( const char* cstring )
+            {
+                wxString line = wxString::FromUTF8( cstring );
+
+                if( line.IsEmpty() )  // happens when cstring is not a valid UTF8 sequence
+                    line = wxConvCurrent->cMB2WC( cstring );    // try to use locale conversion
+
+                // We have trouble here *probably* because Wine-hosted LTSpice writes out MSW
+                // encoded text on a macOS, where it isn't expected.  In any case, wxWidgets'
+                // wxSafeConvert() appears to get around it.
+
+                if( line.IsEmpty() )
+                    line = wxSafeConvertMB2WX( cstring );
+
+                // I'm not sure what the source of this style of line-endings is, but it can be
+                // found in some Fairchild Semiconductor SPICE files.
+                line.Replace( wxS( "\r\r\n" ), wxS( "\n" ) );
+
+                return line;
+            };
+
+    // Open file
+    FILE* fp = wxFopen( aFilePath, aReadType );
+
+    if( !fp )
+        THROW_IO_ERROR( wxString::Format( _( "Cannot open file '%s'." ), aFilePath ) );
+
+    FILE_LINE_READER fileReader( fp, aFilePath );
+
+    wxString contents;
+
+    while( fileReader.ReadLine() )
+        contents += FROM_UTF8_WINE( fileReader.Line() );
+
+    return contents;
+}
+
+
 //-----<LINE_READER>------------------------------------------------------
 
 LINE_READER::LINE_READER( unsigned aMaxLineLength ) :

eeschema/sim/sim_lib_mgr.cpp

@@ -88,8 +88,8 @@ wxString SIM_LIB_MGR::ResolveLibraryPath( const wxString& aLibraryPath, const PR
 }
 
 
-std::string SIM_LIB_MGR::ResolveEmbeddedLibraryPath( const std::string& aLibPath,
-                                                     const std::string& aRelativeLib )
+wxString SIM_LIB_MGR::ResolveEmbeddedLibraryPath( const wxString& aLibPath,
+                                                  const wxString& aRelativeLib )
 {
     wxFileName testPath( aLibPath );
     wxString fullPath( aLibPath );
@@ -123,7 +123,7 @@ std::string SIM_LIB_MGR::ResolveEmbeddedLibraryPath( const std::string& aLibPath
     catch( ... )
     {}
 
-    return fullPath.ToStdString();
+    return fullPath;
 }
 
 
@@ -133,7 +133,7 @@ void SIM_LIB_MGR::SetLibrary( const wxString& aLibraryPath )
     {
         wxString path = ResolveLibraryPath( aLibraryPath, m_project );
 
-        std::function<std::string(const std::string&, const std::string&)> f2 =
+        std::function<wxString(const wxString&, const wxString&)> f2 =
                 std::bind( &SIM_LIB_MGR::ResolveEmbeddedLibraryPath, this, _1, _2 );
 
         std::unique_ptr<SIM_LIBRARY> library = SIM_LIBRARY::Create( path, m_reporter, &f2 );
@@ -287,7 +287,7 @@ SIM_LIBRARY::MODEL SIM_LIB_MGR::CreateModel( const wxString& aLibraryPath,
     {
         path = ResolveLibraryPath( aLibraryPath, m_project );
 
-        std::function<std::string( const std::string&, const std::string& )> f2 =
+        std::function<wxString( const wxString&, const wxString& )> f2 =
                 std::bind( &SIM_LIB_MGR::ResolveEmbeddedLibraryPath, this, _1, _2 );
 
         auto it = m_libraries.try_emplace( path, SIM_LIBRARY::Create( path, m_reporter, &f2 ) ).first;

eeschema/sim/sim_lib_mgr.h

@@ -76,9 +76,7 @@ public:
     std::vector<std::reference_wrapper<SIM_MODEL>> GetModels() const;
 
     static wxString ResolveLibraryPath( const wxString& aLibraryPath, const PROJECT* aProject );
-
-    std::string ResolveEmbeddedLibraryPath( const std::string& aLibPath,
-                                            const std::string& aRelativeLib );
+    wxString ResolveEmbeddedLibraryPath( const wxString& aLibPath, const wxString& aRelativeLib );
 
 private:
     const PROJECT*                                   m_project;

eeschema/sim/sim_library.cpp

@@ -29,8 +29,9 @@
 #include <macros.h>
 
 
-std::unique_ptr<SIM_LIBRARY> SIM_LIBRARY::Create( const wxString& aFilePath, REPORTER* aReporter,
-            std::function<std::string( const std::string&, const std::string& )> *aResolver )
+std::unique_ptr<SIM_LIBRARY>
+SIM_LIBRARY::Create( const wxString& aFilePath, REPORTER* aReporter,
+                     std::function<wxString( const wxString&, const wxString& )>* aResolver )
 {
     std::unique_ptr<SIM_LIBRARY> library;
 
@@ -41,13 +42,13 @@ std::unique_ptr<SIM_LIBRARY> SIM_LIBRARY::Create( const wxString& aFilePath, REP
 
     library->m_reporter = aReporter;
     library->m_pathResolver = aResolver;
-    library->ReadFile( std::string( TO_UTF8( aFilePath ) ), aReporter );
+    library->ReadFile( aFilePath, aReporter );
 
     return library;
 }
 
 
-void SIM_LIBRARY::ReadFile( const std::string& aFilePath, REPORTER* aReporter )
+void SIM_LIBRARY::ReadFile( const wxString& aFilePath, REPORTER* aReporter )
 {
     m_filePath = aFilePath;
 }

eeschema/sim/sim_library.h

@@ -52,9 +52,9 @@ public:
      * @param aReporter The reporter the library reports to
      * @return The library loaded in a newly constructed object.
      */
-    static std::unique_ptr<SIM_LIBRARY> Create( const wxString& aFilePath,
-                                                REPORTER* aReporter = nullptr,
-                                                std::function<std::string( const std::string&, const std::string& )>* aResolver = nullptr);
+    static std::unique_ptr<SIM_LIBRARY>
+    Create( const wxString& aFilePath, REPORTER* aReporter,
+            std::function<wxString( const wxString&, const wxString& )>* aResolver );
 
     /**
      * Read library from a source file. Must be in the format appropriate to the subclass, e.g.
@@ -63,15 +63,7 @@ public:
      * @param aFilePath Path to the file.
      * @throw IO_ERROR on read or parsing error.
      */
-    virtual void ReadFile( const std::string& aFilePath, REPORTER* aReporter ) = 0;
-
-    /**
-     * Write library to a source file (e.g. in Spice format).
-     *
-     * @param aFilePath Path to the file.
-     * @throw IO_ERROR on write error.
-     */
-    virtual void WriteFile( const std::string& aFilePath ) = 0;
+    virtual void ReadFile( const wxString& aFilePath, REPORTER* aReporter ) = 0;
 
     SIM_MODEL* FindModel( const std::string& aModelName ) const;
 
@@ -83,7 +75,7 @@ protected:
     std::vector<std::string>                m_modelNames;
     std::vector<std::unique_ptr<SIM_MODEL>> m_models;
 
-    std::function<std::string( const std::string&, const std::string& )>* m_pathResolver;
+    std::function<wxString( const wxString&, const wxString& )>* m_pathResolver;
 
     std::string m_filePath;
 

eeschema/sim/sim_library_kibis.cpp

@@ -29,10 +29,10 @@
 #include <lib_pin.h>
 
 
-void SIM_LIBRARY_KIBIS::ReadFile( const std::string& aFilePath, REPORTER* aReporter )
+void SIM_LIBRARY_KIBIS::ReadFile( const wxString& aFilePath, REPORTER* aReporter )
 {
     SIM_LIBRARY::ReadFile( aFilePath, aReporter );
-    m_kibis = KIBIS( aFilePath, m_reporter );
+    m_kibis = KIBIS( aFilePath.ToStdString(), m_reporter );
 
     if( !m_kibis.m_valid )
     {

eeschema/sim/sim_library_kibis.h

@@ -38,10 +38,7 @@ public:
     static constexpr auto DIFF_FIELD = "Sim.Ibis.Diff";
 
     // @copydoc SIM_LIBRARY::ReadFile()
-    void ReadFile( const std::string& aFilePath, REPORTER* aReporter ) override;
-
-    // @copydoc SIM_LIBRARY::WriteFile()
-    void WriteFile( const std::string& aFilePath ) override{};
+    void ReadFile( const wxString& aFilePath, REPORTER* aReporter ) override;
 
     bool InitModel( SIM_MODEL_KIBIS& aModel, wxString aCompName );
     bool isPinDiff( const std::string& aComp, const std::string& aPinNumber ) const;

eeschema/sim/sim_library_spice.cpp

@@ -33,14 +33,9 @@ SIM_LIBRARY_SPICE::SIM_LIBRARY_SPICE() :
 }
 
 
-void SIM_LIBRARY_SPICE::ReadFile( const std::string& aFilePath, REPORTER* aReporter )
+void SIM_LIBRARY_SPICE::ReadFile( const wxString& aFilePath, REPORTER* aReporter )
 {
     SIM_LIBRARY::ReadFile( aFilePath, aReporter );
     m_spiceLibraryParser->ReadFile( aFilePath, aReporter );
 }
 
-
-void SIM_LIBRARY_SPICE::WriteFile( const std::string& aFilePath )
-{
-    // Not implemented yet.
-}

eeschema/sim/sim_library_spice.h

@@ -37,10 +37,7 @@ public:
     SIM_LIBRARY_SPICE();
 
     // @copydoc SIM_LIBRARY::ReadFile()
-    void ReadFile( const std::string& aFilePath, REPORTER* aReporter ) override;
-
-    // @copydoc SIM_LIBRARY::WriteFile()
-    void WriteFile( const std::string& aFilePath ) override;
+    void ReadFile( const wxString& aFilePath, REPORTER* aReporter ) override;
 
 private:
     std::unique_ptr<SPICE_LIBRARY_PARSER> m_spiceLibraryParser;

eeschema/sim/spice_library_parser.cpp

@@ -57,17 +57,16 @@ namespace SIM_LIBRARY_SPICE_PARSER
 };
 
 
-void SPICE_LIBRARY_PARSER::readElement( const std::string &aFilePath, REPORTER& aReporter )
+void SPICE_LIBRARY_PARSER::parseFile( const wxString &aFilePath, REPORTER& aReporter )
 {
     try
     {
-        tao::pegtl::file_input in( aFilePath );
-        std::unique_ptr<tao::pegtl::parse_tree::node> root =
-                    tao::pegtl::parse_tree::parse<SIM_LIBRARY_SPICE_PARSER::libraryGrammar,
+        tao::pegtl::string_input<> in( SafeReadFile( aFilePath, wxS( "r" ) ).ToStdString(),
+                                       aFilePath.ToStdString() );
+        auto root = tao::pegtl::parse_tree::parse<SIM_LIBRARY_SPICE_PARSER::libraryGrammar,
                                                   SIM_LIBRARY_SPICE_PARSER::librarySelector,
                                                   tao::pegtl::nothing,
-                                                  SIM_LIBRARY_SPICE_PARSER::control>
-                ( in );
+                                                  SIM_LIBRARY_SPICE_PARSER::control> ( in );
 
         for( const auto& node : root->children )
         {
@@ -88,14 +87,14 @@ void SPICE_LIBRARY_PARSER::readElement( const std::string &aFilePath, REPORTER&
             }
             else if( node->is_type<SIM_LIBRARY_SPICE_PARSER::dotInclude>() )
             {
-                std::string lib = node->children.at( 0 )->string();
+                wxString lib = node->children.at( 0 )->string();
 
                 try
                 {
                     if( m_library.m_pathResolver )
                         lib = ( *m_library.m_pathResolver )( lib, aFilePath );
 
-                    readElement( lib, aReporter );
+                    parseFile( lib, aReporter );
                 }
                 catch( const IO_ERROR& e )
                 {
@@ -112,9 +111,9 @@ void SPICE_LIBRARY_PARSER::readElement( const std::string &aFilePath, REPORTER&
             }
         }
     }
-    catch( const std::filesystem::filesystem_error& e )
+    catch( const IO_ERROR& e )
     {
-        aReporter.Report( e.what(), RPT_SEVERITY_ERROR );
+        aReporter.Report( e.What(), RPT_SEVERITY_ERROR );
     }
     catch( const tao::pegtl::parse_error& e )
     {
@@ -123,21 +122,21 @@ void SPICE_LIBRARY_PARSER::readElement( const std::string &aFilePath, REPORTER&
 }
 
 
-void SPICE_LIBRARY_PARSER::ReadFile( const std::string& aFilePath, REPORTER* aReporter )
+void SPICE_LIBRARY_PARSER::ReadFile( const wxString& aFilePath, REPORTER* aReporter )
 {
     m_library.m_models.clear();
     m_library.m_modelNames.clear();
 
     if( aReporter )
     {
-        readElement( aFilePath, *aReporter );
+        parseFile( aFilePath, *aReporter );
     }
     else
     {
         wxString           msg;
         WX_STRING_REPORTER reporter( &msg );
 
-        readElement( aFilePath, reporter );
+        parseFile( aFilePath, reporter );
 
         if( reporter.HasMessage() )
             THROW_IO_ERROR( msg );

eeschema/sim/spice_library_parser.h

@@ -40,10 +40,10 @@ public:
     virtual ~SPICE_LIBRARY_PARSER()
     {};
 
-    virtual void ReadFile( const std::string& aFilePath, REPORTER* aReporter );
+    virtual void ReadFile( const wxString& aFilePath, REPORTER* aReporter );
 
 protected:
-    void readElement( const std::string& aFilePath, REPORTER& aReporter );
+    void parseFile( const wxString& aFilePath, REPORTER& aReporter );
 
 private:
     SIM_LIBRARY_SPICE& m_library;

include/richio.h

@@ -70,6 +70,18 @@ std::string
     StrPrintf( const char* format, ... );
 
 
+/**
+ * Nominally opens a file and reads it into a string.  But unlike other facilities, this handles
+ * mis-encded Wine-written files on macOS.
+ *
+ * @param aFilePath
+ * @param aReadType
+ * @throw IO_ERROR if the file can't be opened
+ * @return the file contents
+ */
+wxString SafeReadFile( const wxString& aFilePath, const wxString& aReadType );
+
+
 #define LINE_READER_LINE_DEFAULT_MAX        1000000
 #define LINE_READER_LINE_INITIAL_SIZE       5000