2023-01-05 16:32:28 +00:00

140 lines
7.9 KiB
C#

using System;
using System.ComponentModel;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
namespace System.Windows.Forms
{
public partial class MyRTB : RichTextBox
{
public MyRTB()
{
InitializeComponent();
}
public MyRTB(IContainer container)
{
container.Add(this);
InitializeComponent();
}
private void InitializeComponent()
{
//throw new NotImplementedException();
}
public static string StaticStripRtfCommands(string retval)
{
// replace \{ & \} with (![ & (!] respectively and then redo at end. The curly braces
// are rtf so were getting removed and/or not handled correctly.
retval = retval.Replace(@"\{", @" (![");
retval = retval.Replace(@"\}", @" (!]");
// For hardspaces, the windows richtextbox does some 'quirky' things:
// A unicode representation of \u160? is sent INTO the rtb. Coming out,
// that \u160? was translated to a \~ (by the underlying windows rtb).
// Note that if the \~ is sent to the rtb, it is treated as a regular space,
// i.e. no longer a hardspace, and actually is converted to a regular space.
// SO, on the way out, convert any \~ to \u160?
//retval = retval.Replace(@"\~", @"\u160?");
// convert \'99 to \u8482? this is for the trade mark symbol. For some reason RTF is automatically
// converting the unicode \u8482? to \'99, but once this is done, PROMS StepRTB (edit windows) do not show it
//retval = retval.Replace(@"\'99", @"\u8482?");
retval = RTFConvertedSymbolsToUnicode(retval);
// remove carriage return/newlines after \par commands (these are introduced by rtb
// for hard returns, goes into rtb as \par and comes out as \par\r\n):
retval = sreg1.Replace(retval, "\\par ");
retval = retval.Replace("\\v0\r\n", "\\v0 "); // Replace Carriage Return and Newline after comment
retval = sreg2.Replace(retval, ""); // Strip Carriage Returns and Newlines
retval = sreg3.Replace(retval, "$1"); // Strip Opening and Closing Braces
retval = sreg4.Replace(retval, ""); // Strip Clauses - remove anything from curly braces
retval = sreg5.Replace(retval, ""); // Strip Clauses - remove anything from curly braces
retval = sreg6.Replace(retval, "$1 "); // add space after token if followed by token
//retval = sreg7.Replace(retval, new MatchEvaluator(StaticReplaceRTFClause)); // take backslash xyz and evaluates them
retval = sreg8.Replace(retval, "$1"); // remove space between tokens
retval = sreg9.Replace(retval, "$1"); // remove space before /r/n
//retval = Regex.Replace(retval, @"\\par\r\n(?!\\)", "\\par ");
////retval = Regex.Replace(retval, @"\\par\r\n(?=\\)", "\\par");
//retval = retval.Replace("\\v0\r\n", "\\v0 "); // Replace Carriage Return and Newline after comment
//retval = Regex.Replace(retval, @"[\r\n]", "", RegexOptions.Singleline); // Strip Carriage Returns and Newlines
//retval = Regex.Replace(retval, @"^\{(.*)\}$", "$1", RegexOptions.Singleline); // Strip Opening and Closing Braces
//retval = Regex.Replace(retval, @"\{[^{]*?\}", "", RegexOptions.Singleline); // Strip Clauses - remove anything from curly braces
//retval = Regex.Replace(retval, @"\{[^{]*?\}", "", RegexOptions.Singleline); // Strip Clauses - remove anything from curly braces
////retval = Regex.Replace(retval, @"(\\[^ \\?\r\n\t]+)\\f[0-9] ", "$1 "); // remove font command - if next to another command, keep other command and space
//// OLD: The following two lines are replaced by the more generic replace above.
////retval = Regex.Replace(retval, @"\\v\\f[0-9] ", "\\v "); // remove font command - if next to Comment keep space
////retval = Regex.Replace(retval, @"\\line\\f[0-9] ", "\\line "); // remove font command - if next to Line keep space
////retval = Regex.Replace(retval, @"\\f[0-9] ", ""); // remove font command with ending space
////retval = Regex.Replace(retval, @"\\f[0-9]", ""); // remove font command without ending space
////retval = Regex.Replace(retval, @"\\par ", "\r\n");
//retval = Regex.Replace(retval, @"(\\[^' \\?\r\n\t]+)(?=\\)", "$1 "); // add space after token if followed by token
////retval = Regex.Replace(retval, @"(\\[^ \\?\r\n\t]+)(\\)", "$1 $2"); // take backslash xyz and evaluates them
//retval = Regex.Replace(retval, @"(\\[^ \\?\r\n\t]+ )", new MatchEvaluator(StaticReplaceRTFClause)); // take backslash xyz and evaluates them
//retval = Regex.Replace(retval, @"(\\[^ \\?\r\n\t]+) (?=\\)", "$1"); // remove space between tokens
//retval = Regex.Replace(retval, @"(\\[^ \\?\r\n\t]+) (?=\r\n)", "$1"); // remove space before /r/n
// remove a space if there is one as the first character or the last character
//if (retval[0] == ' ') retval = retval.Remove(0, 1);
//retval = retval.TrimEnd(' ');
// remove \r\n at end of string if the string has 2 or more characters
if (retval.Length > 1 && retval.Substring(retval.Length - 2, 2) == "\r\n") retval = retval.Remove(retval.Length - 2, 2);
// remove \par at end of string if the string has 4 or more characters
//if (retval.Length > 3 && retval.Substring(retval.Length - 4, 4) == @"\par") retval = retval.Remove(retval.Length - 4, 4);
// remove a space following \r\n
//retval = Regex.Replace(retval, "\r\n ", "\r\n");
////if there are still spaces following \r\n, then probable in a table - we need to put the space back
//retval = Regex.Replace(retval, "\r\n ", "\r\n ");
if (retval.Length == 0) return "";
if (retval.Length > 1 && retval.Substring(retval.Length - 2, 2) == @"\v") retval = retval.Remove(retval.Length - 2, 2);
//retval = RemoveRtfStyles(retval);
//if (itmInfo != null)
// retval = StaticRemoveRtfStyles(retval, itmInfo);
retval = retval.Replace(@" (![", @"\{");
retval = retval.Replace(@" (!]", @"\}");
retval = retval.TrimEnd(' ');
// the indent character was translated in the richtextbox, change it back:
if (retval.IndexOf(@"\'05") > -1) retval = retval.Replace(@"\'05", "\x05");
return retval;
}
private static string RTFConvertedSymbolsToUnicode(string str)
{
string rtnStr = str;
// convert \~ to a hard spece. RTF is automatically converting \u160? to \~ but will then convert
// the \~ to a regular space!
rtnStr = rtnStr.Replace(@"\~", @"\u160?");
rtnStr = rtnStr.Replace(@"\'a0", @"\u160?");
// convert \'99 to \u8482? this is for the trade mark symbol. RTF is automatically
// converting the unicode \u8482? to \'99, but once this is done, PROMS StepRTB (edit windows) does not show it
rtnStr = rtnStr.Replace(@"\'99", @"\u8482?");
// convert \'ae to \u174? this is for the registered symbol. RTF converts the unicode character to \'ae
rtnStr = rtnStr.Replace(@"\'ae", @"\u174?");
// convert \'a9 to \u169? this is for the copyright symbol. RTF converts the unicode character to \'a9
rtnStr = rtnStr.Replace(@"\'a9", @"\u169?");
return rtnStr;
}
private static Regex sreg1 = new Regex(@"\\par\r\n(?!\\)");
private static Regex sreg2 = new Regex(@"[\r\n]", RegexOptions.Singleline); // Strip Carriage Returns and Newlines
private static Regex sreg3 = new Regex(@"^\{(.*)\}$", RegexOptions.Singleline); // Strip Opening and Closing Braces
private static Regex sreg4 = new Regex(@"\{[^{]*?\}", RegexOptions.Singleline); // Strip Clauses - remove anything from curly braces
private static Regex sreg5 = new Regex(@"\{[^{]*?\}", RegexOptions.Singleline); // Strip Clauses - remove anything from curly braces
private static Regex sreg6 = new Regex(@"(\\[^' \\?\r\n\t]+)(?=\\)"); // add space after token if followed by token
private static Regex sreg7 = new Regex(@"(\\[^ \\?\r\n\t]+ )"); // take backslash xyz and evaluates them
private static Regex sreg8 = new Regex(@"(\\[^ \\?\r\n\t]+) (?=\\)"); // remove space between tokens
private static Regex sreg9 = new Regex(@"(\\[^ \\?\r\n\t]+) (?=\r\n)"); // remove space before /r/n
}
}