///
/// RTF文档书写器
///
///
/// 本书写器对生成RTF文档提供了基础的支持
/// 编制 袁永福
http://www.xdesigner.cn ///
public class RTFWriter : System.IDisposable
{
#region 测试代码 ******************************************************
[System.STAThread]
static void Main()
{
TestWriteFile();
TestClipboard();
}
///
/// 测试生成RTF文件
/// 执行这个函数后可以使用 MS Word 打开文件 c:\a.rtf
///
internal static void TestWriteFile( )
{
RTFWriter w = new RTFWriter( "c:\\a.rtf" ) ;
TestBuildRTF( w );
w.Close();
System.Windows.Forms.MessageBox.Show("好了,你可以打开文件 c:\\a.rtf 了.");
}
///
/// 测试生成RTF文档并设置到系统剪切板中
/// 执行这个函数后就可以在 MS Word中使用粘贴操作来显示程序生成的文档了
///
internal static void TestClipboard()
{
System.IO.StringWriter myStr = new System.IO.StringWriter();
RTFWriter w = new RTFWriter( myStr );
TestBuildRTF( w );
w.Close();
System.Windows.Forms.DataObject data = new System.Windows.Forms.DataObject();
data.SetData( System.Windows.Forms.DataFormats.Rtf , myStr.ToString());
System.Windows.Forms.Clipboard.SetDataObject( data , true );
System.Windows.Forms.MessageBox.Show("好了,你可以在MS Word 中粘贴文本了.");
}
///
/// 测试生成RTF文档
///
/// RTF文档书写器
private static void TestBuildRTF( RTFWriter w )
{
w.Encoding = System.Text.Encoding.GetEncoding( 936 );
// 输出文件头
w.WriteStartGroup();
w.WriteKeyword("rtf1");
w.WriteKeyword("ansi");
w.WriteKeyword("ansicpg" + w.Encoding.CodePage );
// 输出字体表
w.WriteStartGroup();
w.WriteKeyword("fonttbl");
w.WriteStartGroup();
w.WriteKeyword("f0");
w.WriteText("隶书;");
w.WriteEndGroup();
w.WriteStartGroup();
w.WriteKeyword("f1");
w.WriteText("宋体;");
w.WriteEndGroup();
w.WriteEndGroup();
// 输出颜色表
w.WriteStartGroup();
w.WriteKeyword("colortbl");
w.WriteText(";");
w.WriteKeyword("red0");
w.WriteKeyword("green0");
w.WriteKeyword("blue255");
w.WriteText(";");
w.WriteEndGroup();
// 输出正文
w.WriteKeyword("qc"); // 设置居中对齐
w.WriteKeyword("f0"); // 设置字体
w.WriteKeyword("fs30"); // 字体大小
w.WriteText("这是第一段文本 ");
w.WriteKeyword("cf1"); // 设置颜色
w.WriteText("隶书 ");
w.WriteKeyword("cf0"); // 设置为默认颜色
w.WriteKeyword("f1"); // 设置字体
w.WriteText("居中对齐 ABC12345");
w.WriteKeyword("par"); // 开始新的段落
w.WriteKeyword("pard"); // 清除居中对齐
w.WriteKeyword("f1"); // 设置字体
w.WriteKeyword("fs20"); // 字体大小
w.WriteKeyword("cf1");
w.WriteText("这是第二段文本 宋体 左对齐 ABC12345");
// 结束输出
w.WriteEndGroup();
}
#endregion
///
/// 初始化对象
///
/// 文本书写器
public RTFWriter( System.IO.TextWriter w )
{
myWriter = w ;
}
///
/// 初始化对象
///
/// 文件名
public RTFWriter( string strFileName )
{
myWriter = new System.IO.StreamWriter(
strFileName ,
false ,
System.Text.Encoding.ASCII );
}
private System.Text.Encoding myEncoding = System.Text.Encoding.GetEncoding( 936 ) ;
///
/// 字符编码格式
///
public System.Text.Encoding Encoding
{
get{ return myEncoding ;}
set{ myEncoding = value;}
}
///
/// 内置的文本书写器
///
private System.IO.TextWriter myWriter = null;
private bool bolIndent = false;
///
/// 是否使用缩进
///
///
/// RTF文档内部不能随便缩进，提供此选项只是用于生成便于阅读的RTF文档，便于程序的调试，
/// 在开发调试中可以设置该属性为true,方便开发者能直接查看生成的RTF文档，但在生成最终运行的
/// 程序时应当设置该属性为 false .
///
public bool Indent
{
get{ return bolIndent ;}
set{ bolIndent = value;}
}
private string strIndentString = " ";
///
/// 缩进字符串
///
public string IndentString
{
get{ return strIndentString ;}
set{ strIndentString = value;}
}
///
/// 当前缩进层次
///
private int intGroupLevel = 0 ;
///
/// 关闭对象
///
public void Close()
{
if(this.intGroupLevel > 0 )
throw new System.Exception("还有组未写完");
if( myWriter != null )
{
myWriter.Close();
myWriter = null;
}
}
///
/// 输出一个组
///
/// 关键字
public void WriteGroup( string KeyWord )
{
this.WriteStartGroup();
this.WriteKeyword( KeyWord );
this.WriteEndGroup();
}
///
/// 开始输出组
///
public void WriteStartGroup( )
{
if( bolIndent )
{
InnerWriteNewLine();
myWriter.Write("{");
}
else
myWriter.Write("{");
intGroupLevel ++ ;
}
///
/// 结束输出组
///
public void WriteEndGroup()
{
intGroupLevel -- ;
if( intGroupLevel < 0 )
throw new System.Exception("组不匹配");
if( bolIndent )
{
InnerWriteNewLine();
InnerWrite("}");
}
else
InnerWrite("}");
}
///
/// 输出原始文本
///
/// 文本值
public void WriteRaw( string txt )
{
if( txt != null && txt.Length > 0 )
{
InnerWrite( txt );
}
}
///
/// 输出关键字
///
/// 关键字值
public void WriteKeyword( string Keyword )
{
WriteKeyword( Keyword , false );
}
///
/// 输出关键字
///
/// 关键字值
/// 是否是扩展关键字
public void WriteKeyword( string Keyword , bool Ext)
{
if( Keyword == null || Keyword.Length == 0)
throw new System.ArgumentNullException("值不得为空");
if( bolIndent == false && ( Keyword == "par" || Keyword == "pard" ) )
{
// par 或 pard 前可以输出空白行，不影响RTF文档显示
InnerWrite( System.Environment.NewLine );
}
if( this.bolIndent )
{
if( Keyword == "par" || Keyword == "pard" )
{
this.InnerWriteNewLine();
}
}
if( Ext )
InnerWrite("
\\*\\");
else
InnerWrite("\\");
InnerWrite( Keyword );
}
///
/// 内容文本编码格式
///
private System.Text.Encoding Unicode = System.Text.Encoding.Unicode ;
///
/// 输出纯文本
///
/// 文本值
public void WriteText( string Text )
{
if( Text == null || Text.Length == 0 )
return ;
InnerWrite(' ');
for( int iCount = 0 ; iCount < Text.Length ; iCount ++ )
{
char c = Text[ iCount ] ;
if( c == '\t')
{
this.WriteKeyword("tab");
InnerWrite(' ');
}
else if( c < 256 )
{
if( c > 32 && c < 127 )
{
// 出现特殊字符，需要斜线转义
if( c == '\\' || c == '{' || c == '}' )
InnerWrite( '\\');
InnerWrite( c );
}
else
{
InnerWrite("
\\\'");
WriteByte( ( byte ) c );
}
}
else
{
byte[] bs = myEncoding.GetBytes( c.ToString());
for(int iCount2 = 0 ; iCount2 < bs.Length ; iCount2 ++ )
{
InnerWrite("
\\\'");
WriteByte( bs[ iCount2 ] );
}
}
}//for( int iCount = 0 ; iCount < Text.Length ; iCount ++ )
}
///
/// 当前位置
///
private int intPosition = 0 ;
///
/// 当前行的位置
///
private int intLineHead = 0 ;
///
/// 16进制字符组
///
private const string Hexs = "0123456789abcdef";
///
/// 输出字节数组
///
/// 字节数组
public void WriteBytes( byte[] bs )
{
if( bs == null || bs.Length == 0 )
return ;
WriteRaw( " " );
for( int iCount = 0 ; iCount < bs.Length ; iCount ++ )
{
if( ( iCount % 32 ) == 0 )
{
this.WriteRaw( System.Environment.NewLine );
this.WriteIndent();
}
else if( ( iCount % 8 ) == 0 )
{
this.WriteRaw(" ");
}
byte b = bs[ iCount ] ;
int h = ( b & 0xf0 ) >> 4 ;
int l = b & 0xf ;
myWriter.Write( Hexs[ h ] );
myWriter.Write( Hexs[ l ] );
intPosition += 2 ;
}
}
///
/// 输出一个字节数据
///
/// 字节数据
public void WriteByte( byte b )
{
int h = ( b & 0xf0 ) >> 4 ;
int l = b & 0xf ;
myWriter.Write( Hexs[ h ] );
myWriter.Write( Hexs[ l ] );
intPosition += 2 ;
//FixIndent();
}
#region 内部成员 ******************************************************
private void InnerWrite( char c )
{
intPosition ++ ;
myWriter.Write( c );
}
private void InnerWrite( string txt )
{
intPosition += txt.Length ;
myWriter.Write( txt );
}
private void FixIndent()
{
if( this.bolIndent )
{
if( intPosition - intLineHead > 100 )
InnerWriteNewLine();
}
}
private void InnerWriteNewLine()
{
if( this.bolIndent )
{
if( intPosition > 0 )
{
InnerWrite( System.Environment.NewLine );
intLineHead = intPosition ;
WriteIndent();
}
}
}
private void WriteIndent( )
{
if( bolIndent )
{
for( int iCount = 0 ; iCount < intGroupLevel ; iCount ++ )
{
InnerWrite( this.strIndentString );
}
}
}
#endregion
///
/// 销毁对象
///
public void Dispose()
{
this.Close();
}
}
