使用perl读取Excel

使用perl读取Excel

环境

---

• windows 7
• ActiveState Perl
• Win32::OLE[perl package]

基本功能

---

• 循环处理多个sheet
• 读取Excel单元，提取interface信息
• 格式化标准输出
• 格式化写入文件

解析结果

---

Perl代码

---

#!/usr/bin/perl -w

use strict;
use Win32::OLE qw(in with);
use Win32::OLE::Const 'Microsoft Excel';

#################################################
# Main-routine
#################################################
$Win32::OLE::Warn = 3;                                # die on errors...

my $modulename ="";
my $Sheet ="";
my $Book  ="";

my @inports;
my @outports;
my @vgports;

my $excelvalue=""; 

my $Has_Help = ""; 
my $work = ""; 

if( $#ARGV < 0 ) {
  &print_usage;
  exit;
}
my $filename ="";
&parse_argv;

if( $Has_Help =~ /TRUE/ )  #显示帮助说明
    {
      &print_usage;
      exit;
    }

if($work =~ /TRUE/ )       #读取表格生成verilog接口文件
   {
      chomp($filename);
      
      # get already active Excel application or open new
      my $Excel = Win32::OLE->GetActiveObject('Excel.Application')
          || Win32::OLE->new('Excel.Application', 'Quit');  
      
      # open Excel file
      $Book = $Excel->Workbooks->Open("$filename"); 
      
      # You can dynamically obtain the number of worksheets, rows, and columns
      # through the Excel OLE interface.  Excel's Visual Basic Editor has more
      # information on the Excel OLE interface.  Here we just use the first
      # worksheet, rows 1 through 4 and columns 1 through 3.
      
      # select worksheet number 1 (you can also select a worksheet by name)
      #for(my $sheetnum=1; $sheetnum < 3;$sheetnum++) #手动设置sheet数量，循环处理每个sheet
      for(my $sheetnum=2; $sheetnum < 12 ;$sheetnum++) #手动设置sheet数量，循环处理每个sheet
      {
          $Sheet = $Book->Worksheets($sheetnum);

          &write_result;                             #写入文件
      }
      for(my $sheetnum=2; $sheetnum < 12;$sheetnum++)  #手动设置sheet数量，循环处理每个sheet
      {
          $Sheet = $Book->Worksheets($sheetnum);     #手动设置sheet数量

	  &output_result;                            #Windows终端显示结果
      }

      # clean up after ourselves
      $Book->Close;
      print "
Parse Complete!
";

      exit;
   }
else
    {
      &print_usage;
      exit;
    }


#################################################
# Sub-routine: print_usage()   帮助说明
#################################################
sub print_usage {
  print "
Usage: excel2verilog.pl [-option] <excel_file> \
";  
  print "                [-w <excel_file>] \
";
  print "                [-h] 

";
  print "For example:
";
  print "    perl excel2verilog.pl -w C:/Users/D/Desktop/test.xls
"; 
  print "    perl excel2verilog.pl -h 
"; 
  print "
";
  print "    Please modify the quantity of sheets(see line 59 and line 65)
"; 
  print "
";
}

#################################################
# Sub-routine : parse_argv()   参数读入
#################################################
sub parse_argv {
  my $all_arg = "-h|-w";

  for(my $i=0; $i<=$#ARGV; $i++) {
    if( $ARGV[$i] =~ /-w/ ) {
      $i++;
      if(!defined $ARGV[$i])
      {
         $Has_Help = "TRUE";
      }
      $work = "TRUE";
      $filename = $ARGV[$i];
    }
    elsif( $ARGV[$i] =~ /-h/ ) {
      $Has_Help = "TRUE";
    }
    else { ### other options
      $Has_Help = "TRUE";
    }
  }
}

#################################################
# Sub-routine : get io         得到excel表格中的有用参数存入数组中
#################################################
sub get_io{
    @inports  =();   #使用全局变量，分析一个sheet需要清空数组
    @outports =();
    @vgports  =();
    $modulename ="";
    
    my $ipnamerow; 
    my $ipnamecol; 
    my $pinnamerow; 
    my $pinnamecol; 
    my $endrow; 

    foreach my $row (1..100)     #将端口数据存入数组,注意扫描范围
    {
        foreach my $col (1..5)  #处理1-5行得到“IP name”/“Pin name”/“Size”的位置
        {
           # skip empty cells
           next unless defined $Sheet->Cells($row,$col)->{'Value'};
    
           # get position 
           $excelvalue = $Sheet->Cells($row,$col)->{'Value'};	 
           if($excelvalue =~ /ip name/i)
           {
             $ipnamerow = $row; 
             $ipnamecol = $col; 
             $modulename = $Sheet->Cells($ipnamerow,($ipnamecol+1))->{'Value'};
	     #printf("%s,%s
",$ipnamerow,$ipnamecol);
           }  
           if($excelvalue =~ /pin name/i)
           {
             $pinnamerow = $row; 
             $pinnamecol = $col; 
	     #printf("%s
",$pinnamerow);
           }  
           if($excelvalue =~ /size/i)
           {
             $endrow = $row - 1; 
	     #printf("%s
",$endrow);
           } 
        }
    }
    foreach my $row (($pinnamerow + 1)..$endrow)  #端口处理，存入数组
    {
        next unless defined $Sheet->Cells($row,$pinnamecol)->{'Value'};
    
        foreach my $col ($pinnamecol)
        {
            # skip empty cells
            next unless defined $Sheet->Cells($row,$col)->{'Value'};
            if(($Sheet->Cells($row,$col)->{'Value'}) eq "IN")
            {
               next;  # skip "IN" cells
            }
	    
	    if(($Sheet->Cells($row,$col)->{'Value'}) eq "OUT")
            {
               next;    # skip "OUT" cells
            }

	    $_ = $Sheet->Cells($row,$col+1)->{'Value'};
            if(/P|G|I/O/)                 #inout
            {
               push(@vgports,$Sheet->Cells($row,$col)->{'Value'});
            }
            elsif(/O/D|O/A/)     #output
            {
               push(@outports,$Sheet->Cells($row,$col)->{'Value'});
            }
            elsif(/I/A|I/D/)     #input 
            {
               push(@inports,$Sheet->Cells($row,$col)->{'Value'});
            }
        }
    }
}

#################################################
# Sub-routine : output_result   格式化输出verilog代码
#################################################
sub output_result{
    &get_io; #得到表格中的数据

    printf("module  %s(
",$modulename);
    foreach my $vgport (@vgports)
    {
        $_ = $vgport;	  
        if(/(.*)<(d*):/i)
        {
           printf("inout     [%2d:0]   %s,
",$2,$1);
        }	  
        else
        {
           printf("inout              %s,
",$vgport);
        }
    }
    print "
";

    foreach my $inport (@inports)
    {
        $_ = $inport;	  
        if(/(.*)<(d*):/i)
        {
           printf("input     [%2d:0]   %s,
",$2,$1);
        }
        else
        {
           printf("input              %s,
",$inport);
        }
    }
    print "
";

    my $n = @outports;
    my $i =0;
    foreach my $outport (@outports)
    {
        $_ = $outport;	  
        if(/(.*)<(d*):/i)
        {
           printf("output    [%2d:0]   %s",$2,$1);
        }	  
        else
        {
           printf("output             %s",$outport);
        }
        $i++;
        if($i < $n)
        {
           print(",");
        }   
        print("
");
    }
    
    print ");
";
    print "


";
    print "endmodule
";
    print "


";
}

#################################################
# Sub-routine : write_result    格式化写入verilog 代码
#################################################
sub write_result{
    &get_io;

    unlink "$modulename.v";
    open(MODULE, ">> $modulename.v") || die ("Could not open file tempA.txt! 
");
    printf MODULE ("module  %s(
",$modulename);
    foreach my $vgport (@vgports)
    {
        $_ = $vgport;	  
        if(/(.*)<(d*):/i)
        {
           printf MODULE ("inout     [%2d:0]   %s,
",$2,$1);
        }	  
        else
        {
           printf MODULE ("inout              %s,
",$vgport);
        }
    }
    print MODULE "
";

    foreach my $inport (@inports)
    {
        $_ = $inport;	  
        if(/(.*)<(d*):/i)
        {
           printf MODULE ("input     [%2d:0]   %s,
",$2,$1);
        }
        else
        {
           printf MODULE ("input              %s,
",$inport);
        }
    }
    print MODULE "
";

    my $n = @outports;
    my $i =0;
    foreach my $outport (@outports)
    {
        $_ = $outport;	  
        if(/(.*)<(d*):/i)
        {
           printf MODULE ("output    [%2d:0]   %s",$2,$1);
        }	  
        else
        {
           printf MODULE ("output             %s",$outport);
        }
        $i++;
        if($i < $n)
        {
           print MODULE (",");
        }   
        print MODULE ("
");
    }
    
    print MODULE  ");
";
    print MODULE  "


";
    print MODULE  "endmodule
";

    close MODULE
}

参考资料

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功能丰富的 Perl: 用 Perl 读写 Excel 文件