revive target 'dsntest' from common, start exploring pasting text from clipboard, primitively.

common/CMakeLists.txt

@@ -88,3 +88,13 @@ set(PCB_COMMON_SRCS
 )
 
 add_library(pcbcommon ${PCB_COMMON_SRCS})
+
+# The dsntest may not build properly using MS Visual Studio.
+if(NOT MSVC)
+    # This one gets made only when testing.
+    # to build it, first enable #define STAND_ALONE at top of dsnlexer.cpp
+    add_executable( dsntest EXCLUDE_FROM_ALL dsnlexer.cpp )
+    target_link_libraries( dsntest common ${wxWidgets_LIBRARIES} )
+
+endif( NOT MSVC )
+

common/richio.cpp

@@ -91,19 +91,18 @@ int STRING_LINE_READER::ReadLine() throw (IOError)
 
     if( advance )
     {
-        if( advance >= maxLineLength )
+        if( advance > maxLineLength )
             throw IOError( _("Line length exceeded") );
 
         wxASSERT( ndx + advance <= source.length() );
 
         memcpy( line, &source[ndx], advance );
 
-        length = advance;
-
         ++lineNum;
         ndx += advance;
     }
 
+    length = advance;
     line[advance] = 0;
 
     return advance;

include/dsnlexer.h

@@ -98,6 +98,7 @@ class DSNLEXER
     const KEYWORD*      keywords;
     unsigned            keywordCount;
 
+    void init();
 
     int readLine() throw (IOError)
     {
@@ -159,6 +160,9 @@ public:
     DSNLEXER( FILE* aFile, const wxString& aFilename,
             const KEYWORD* aKeywordTable, unsigned aKeywordCount );
 
+    DSNLEXER( const std::string& aClipboardTxt,
+        const KEYWORD* aKeywordTable, unsigned aKeywordCount );
+
     ~DSNLEXER()
     {
         delete reader;

pcbnew/CMakeLists.txt

@@ -233,14 +233,9 @@ install(TARGETS ${PCBNEW_NAME}
 
 # The specctra test fails to build properly using MS Visual Studio.
 if(NOT MSVC)
-    # This one gets made only when testing.
-    #add_executable(dsntest EXCLUDE_FROM_ALL dsn.cpp)
-    #target_link_libraries(dsntest common ${wxWidgets_LIBRARIES})
-
     # This one gets made only when testing.
     add_executable(specctra_test EXCLUDE_FROM_ALL specctra.cpp)
     target_link_libraries(specctra_test common ${wxWidgets_LIBRARIES})
-
 endif(NOT MSVC)
 
 # This one gets made only when testing.

pcbnew/specctra.h

@@ -71,6 +71,7 @@ enum DSN_T {
     // these first few are negative special ones for syntax, and are
     // inherited from DSNLEXER.
     T_NONE = DSN_NONE,
+    T_COMMENT = DSN_COMMENT,
     T_STRING_QUOTE = DSN_STRING_QUOTE,
     T_QUOTE_DEF = DSN_QUOTE_DEF,
     T_DASH = DSN_DASH,