Make pretty prettier by striving for single line module pads. Add slick std::string based strprintf(), twice.

common/fp_lib_table.cpp

@@ -144,7 +144,7 @@ void FP_LIB_TABLE::Parse( FP_LIB_TABLE_LEXER* in ) throw( IO_ERROR, PARSE_ERROR
                 row.SetOptions( in->FromUTF8() );
 
                 // create PROPERTIES* from options, set into the ROW
-                row.properties = ParseOptions( in->CurText() );
+                row.properties = ParseOptions( in->CurStr() );
                 break;
 
             case T_descr:
@@ -228,9 +228,9 @@ PROPERTIES* FP_LIB_TABLE::ParseOptions( const std::string& aOptionsList )
             ++cp;
 
         // Find the end of pair/field
-        while( cp<end )
+        while( cp < end )
         {
-            if( *cp == '\\' && cp+1 < end && cp[1]==OPT_SEP  )
+            if( *cp=='\\'  &&  cp+1<end  &&  cp[1]==OPT_SEP  )
             {
                 ++cp;           // skip the escape
                 pair += *cp++;  // add the separator
@@ -261,7 +261,7 @@ PROPERTIES* FP_LIB_TABLE::ParseOptions( const std::string& aOptionsList )
     }
 
     if( props.size() )
-        return new PROPERTIES( props );
+        return new PROPERTIES( props );     // the far less probable case
     else
         return NULL;
 }
@@ -273,7 +273,7 @@ std::string FP_LIB_TABLE::FormatOptions( const PROPERTIES* aProperties )
 
     if( aProperties )
     {
-        for( PROPERTIES::const_iterator it = aProperties->begin();  it != aProperties->end(); ++it )
+        for( PROPERTIES::const_iterator it = aProperties->begin();  it != aProperties->end();  ++it )
         {
             const std::string& name  = it->first;
             const std::string& value = it->second;

common/richio.cpp

@@ -35,11 +35,64 @@
 #endif
 
 
-// This file defines 3 classes useful for working with DSN text files and is named
+// This file defines 3 classes and some functions useful for working with text files
-// "richio" after its author, Richard Hollenbeck, aka Dick Hollenbeck.
+// and is named "richio" after its author, Richard Hollenbeck, aka Dick Hollenbeck.
 
 
 
+int vprint( std::string* result, const char* format, va_list ap )
+{
+    char    msg[512];
+    size_t  len = vsnprintf( msg, sizeof(msg), format, ap );
+
+    if( len < sizeof(msg) )     // the output fit into msg
+    {
+        result->append( msg, msg + len );
+    }
+    else
+    {
+        // output was too big, so now incur the expense of allocating
+        // a buf for holding suffient characters.
+
+        std::vector<char>   buf;
+
+        buf.reserve( len+1 );   // reserve(), not resize() which writes. +1 for trailing nul.
+
+        len = vsnprintf( &buf[0], len+1, format, ap );
+
+        result->append( &buf[0], &buf[0] + len );
+    }
+
+    return len;
+}
+
+
+int strprintf( std::string* result, const char* format, ... )
+{
+    va_list     args;
+
+    va_start( args, format );
+    int ret = vprint( result, format, args );
+    va_end( args );
+
+    return ret;
+}
+
+
+std::string strprintf( const char* format, ... )
+{
+    std::string ret;
+    va_list     args;
+
+    va_start( args, format );
+    int ignore = vprint( &ret, format, args );
+    (void) ignore;
+    va_end( args );
+
+    return ret;
+}
+
+
 void IO_ERROR::init( const char* aThrowersFile, const char* aThrowersLoc, const wxString& aMsg )
 {
     errorText.Printf( IO_FORMAT, aMsg.GetData(),

include/dsnlexer.h

@@ -462,6 +462,15 @@ public:
         return curText.c_str();
     }
 
+    /**
+     * Function CurStr
+     * returns a reference to current token in std::string form.
+     */
+    const std::string& CurStr()
+    {
+        return curText;
+    }
+
     /**
      * Function FromUTF8
      * returns the current token text as a wxString, assuming that the input

include/richio.h

@@ -38,6 +38,44 @@
 #include <stdio.h>
 
 
+/**
+ * Function vprint
+ * is like vsprintf() but the output is appended to a std::string instead of to a
+ * character array.
+ * @param result is the string to append to, previous text is not clear()ed.
+ * @param format is a printf() style format string.
+ * @param ap is a va_list argument stack pointer which gives the
+ *  modifying data for the format string.
+ */
+int vprint( std::string* result, const char* format, va_list ap );
+
+
+/**
+ * Function strprintf
+ * is like sprintf() but the output is appended to a std::string instead of to a
+ * character array.
+ * @param result is the string to append to, previous text is not clear()ed.
+ * @param format is a printf() style format string.
+ * @param ap is a va_list argument stack pointer which gives the
+ *  modifying data for the format string.
+ *
+ * @return int - the count of bytes appended to the result string, no terminating nul is included.
+ */
+int strprintf( std::string* result, const char* format, ... );
+
+
+/**
+ * Function strprintf
+ * is like sprintf() but the output is returned in a std::string instead of to a
+ * character array.
+ * @param result is the string to append to, previous text is not clear()ed.
+ * @param format is a printf() style format string.
+ * @param ap is a va_list argument stack pointer which gives the
+ *  modifying data for the format string.
+ */
+std::string strprintf( const char* format, ... );
+
+
 /**
  * @ingroup exception_types
  * @{
@@ -648,5 +686,4 @@ protected:
     //-----</OUTPUTFORMATTER>-----------------------------------------------
 };
 
-
 #endif // RICHIO_H_

pcbnew/kicad_plugin.cpp

@@ -1031,7 +1031,7 @@ void PCB_IO::format( MODULE* aModule, int aNestLevel ) const
 
     // Save pads.
     for( D_PAD* pad = aModule->Pads();  pad;  pad = pad->Next() )
-        Format( pad, aNestLevel+1 );
+        format( pad, aNestLevel+1 );
 
     // Save 3D info.
     for( S3D_MASTER* t3D = aModule->Models();  t3D;  t3D = t3D->Next() )
@@ -1067,7 +1067,12 @@ void PCB_IO::format( MODULE* aModule, int aNestLevel ) const
 void PCB_IO::formatLayers( LAYER_MSK aLayerMask, int aNestLevel ) const
     throw( IO_ERROR )
 {
-    m_out->Print( aNestLevel, "(layers" );
+    std::string  output;
+
+    if( aNestLevel == 0 )
+        output += ' ';
+
+    output += "(layers";
 
     LAYER_MSK cuMask = ALL_CU_LAYERS;
 
@@ -1078,36 +1083,36 @@ void PCB_IO::formatLayers( LAYER_MSK aLayerMask, int aNestLevel ) const
 
     if( ( aLayerMask & cuMask ) == cuMask )
     {
-        m_out->Print( 0, " *.Cu" );
+        output += " *.Cu";
         aLayerMask &= ~ALL_CU_LAYERS;       // clear bits, so they are not output again below
     }
     else if( ( aLayerMask & cuMask ) == (LAYER_BACK | LAYER_FRONT) )
     {
-        m_out->Print( 0, " F&B.Cu" );
+        output += " F&B.Cu";
         aLayerMask &= ~(LAYER_BACK | LAYER_FRONT);
     }
 
     if( ( aLayerMask & (ADHESIVE_LAYER_BACK | ADHESIVE_LAYER_FRONT)) == (ADHESIVE_LAYER_BACK | ADHESIVE_LAYER_FRONT) )
     {
-        m_out->Print( 0, " *.Adhes" );
+        output += " *.Adhes";
         aLayerMask &= ~(ADHESIVE_LAYER_BACK | ADHESIVE_LAYER_FRONT);
     }
 
     if( ( aLayerMask & (SOLDERPASTE_LAYER_BACK | SOLDERPASTE_LAYER_FRONT)) == (SOLDERPASTE_LAYER_BACK | SOLDERPASTE_LAYER_FRONT) )
     {
-        m_out->Print( 0, " *.Paste" );
+        output += " *.Paste";
         aLayerMask &= ~(SOLDERPASTE_LAYER_BACK | SOLDERPASTE_LAYER_FRONT);
     }
 
     if( ( aLayerMask & (SILKSCREEN_LAYER_BACK | SILKSCREEN_LAYER_FRONT)) == (SILKSCREEN_LAYER_BACK | SILKSCREEN_LAYER_FRONT) )
     {
-        m_out->Print( 0, " *.SilkS" );
+        output += " *.SilkS";
         aLayerMask &= ~(SILKSCREEN_LAYER_BACK | SILKSCREEN_LAYER_FRONT);
     }
 
     if( ( aLayerMask & (SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT)) == (SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT) )
     {
-        m_out->Print( 0, " *.Mask" );
+        output += " *.Mask";
         aLayerMask &= ~(SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT);
     }
 
@@ -1128,11 +1133,12 @@ void PCB_IO::formatLayers( LAYER_MSK aLayerMask, int aNestLevel ) const
             else    // I am being called from FootprintSave()
                 layerName = BOARD::GetStandardLayerName( layer );
 
-            m_out->Print( 0, " %s", m_out->Quotew( layerName ).c_str() );
+            output += ' ';
+            output += m_out->Quotew( layerName );
         }
     }
 
-    m_out->Print( 0, ")\n" );
+    m_out->Print( aNestLevel, "%s)", output.c_str() );
 }
 
 
@@ -1203,49 +1209,46 @@ void PCB_IO::format( D_PAD* aPad, int aNestLevel ) const
         m_out->Print( 0, ")" );
     }
 
-    m_out->Print( 0, "\n" );
+    formatLayers( aPad->GetLayerMask(), 0 );
 
-    formatLayers( aPad->GetLayerMask(), aNestLevel+1 );
+    std::string output;
 
     // Unconnected pad is default net so don't save it.
     if( !(m_ctl & CTL_OMIT_NETS) && aPad->GetNet() != 0 )
-    {
+        strprintf( &output, " (net %d %s)", aPad->GetNet(), m_out->Quotew( aPad->GetNetname() ).c_str() );
-        m_out->Print( aNestLevel+1, "(net %d %s)\n",
-                      aPad->GetNet(), m_out->Quotew( aPad->GetNetname() ).c_str() );
-    }
 
     if( aPad->GetPadToDieLength() != 0 )
-        m_out->Print( aNestLevel+1, "(die_length %s)\n",
+        strprintf( &output, " (die_length %s)", FMT_IU( aPad->GetPadToDieLength() ).c_str() );
-                      FMT_IU( aPad->GetPadToDieLength() ).c_str() );
 
     if( aPad->GetLocalSolderMaskMargin() != 0 )
-        m_out->Print( aNestLevel+1, "(solder_mask_margin %s)\n",
+        strprintf( &output, " (solder_mask_margin %s)", FMT_IU( aPad->GetLocalSolderMaskMargin() ).c_str() );
-                      FMT_IU( aPad->GetLocalSolderMaskMargin() ).c_str() );
 
     if( aPad->GetLocalSolderPasteMargin() != 0 )
-        m_out->Print( aNestLevel+1, "(solder_paste_margin %s)\n",
+        strprintf( &output, " (solder_paste_margin %s)", FMT_IU( aPad->GetLocalSolderPasteMargin() ).c_str() );
-                      FMT_IU( aPad->GetLocalSolderPasteMargin() ).c_str() );
 
     if( aPad->GetLocalSolderPasteMarginRatio() != 0 )
-        m_out->Print( aNestLevel+1, "(solder_paste_margin_ratio %s)\n",
+        strprintf( &output, " (solder_paste_margin_ratio %s)",
-                      Double2Str( aPad->GetLocalSolderPasteMarginRatio() ).c_str() );
+                Double2Str( aPad->GetLocalSolderPasteMarginRatio() ).c_str() );
 
     if( aPad->GetLocalClearance() != 0 )
-        m_out->Print( aNestLevel+1, "(clearance %s)\n",
+        strprintf( &output, " (clearance %s)", FMT_IU( aPad->GetLocalClearance() ).c_str() );
-                      FMT_IU( aPad->GetLocalClearance() ).c_str() );
 
     if( aPad->GetZoneConnection() != UNDEFINED_CONNECTION )
-        m_out->Print( aNestLevel+1, "(zone_connect %d)\n", aPad->GetZoneConnection() );
+        strprintf( &output, " (zone_connect %d)", aPad->GetZoneConnection() );
 
     if( aPad->GetThermalWidth() != 0 )
-        m_out->Print( aNestLevel+1, "(thermal_width %s)\n",
+        strprintf( &output, " (thermal_width %s)", FMT_IU( aPad->GetThermalWidth() ).c_str() );
-                      FMT_IU( aPad->GetThermalWidth() ).c_str() );
 
     if( aPad->GetThermalGap() != 0 )
-        m_out->Print( aNestLevel+1, "(thermal_gap %s)\n",
+        strprintf( &output, " (thermal_gap %s)", FMT_IU( aPad->GetThermalGap() ).c_str() );
-                      FMT_IU( aPad->GetThermalGap() ).c_str() );
 
-    m_out->Print( aNestLevel, ")\n" );
+    if( output.size() )
+    {
+        m_out->Print( 0, "\n" );
+        m_out->Print( aNestLevel+1, "%s", output.c_str() + 1 );   // +1 skips initial space on first element
+    }
+
+    m_out->Print( 0, ")\n" );
 }
 
 

pcbnew/kicad_plugin.h

@@ -156,7 +156,9 @@ protected:
 
     wxString        m_error;        ///< for throwing exceptions
     BOARD*          m_board;        ///< which BOARD, no ownership here
-    const PROPERTIES*     m_props;        ///< passed via Save() or Load(), no ownership, may be NULL.
+
+    const
+    PROPERTIES*     m_props;        ///< passed via Save() or Load(), no ownership, may be NULL.
     FP_CACHE*       m_cache;        ///< Footprint library cache.
 
     LINE_READER*    m_reader;       ///< no ownership here.

pcbnew/loadcmp.cpp

@@ -154,7 +154,7 @@ MODULE* PCB_BASE_FRAME::LoadModuleFromLibrary( const wxString& aLibrary,
                                                bool            aUseFootprintViewer,
                                                wxDC*           aDC )
 {
-    MODULE*     module;
+    MODULE*     module = NULL;
     wxPoint     curspos = GetCrossHairPosition();
     wxString    moduleName, keys;
     wxString    libName = aLibrary;