public bool Cat( CatOptions catOptions, string fileName, int lineStart, long linesToWrite )
{
MdConfig mdc = new MdConfig();
string[] allLines;
List<string> lines;
string lastType = "";
int lineNumber;
int padLen;
int width = Console.WindowWidth - 1;
string colPad;
Regex urlRegex, boldRegex;
Match m;
allLines = File.ReadAllLines(fileName);
lineStart = Math.Max(lineStart, 0);
lineNumber = 0;
padLen = catOptions.showLineNumbers ? 3 : 0;
if (linesToWrite < 0) {
linesToWrite = long.MaxValue;
}
colPad = string.Empty;
urlRegex = new Regex(@"\[(?<url>.+)\]\((?<title>.*)\)", RegexOptions.Compiled | RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline);
boldRegex = new Regex(@"__(?<text>[^_]+)__", RegexOptions.Compiled | RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline);
//if ((m = urlRegex.Match("some content here.. Here is an [http://google.com/file](url)..")).Success) {
// Console.Write("found a match!");
// Console.Write(m.Groups.Count);
//}
Console.ForegroundColor = mdc.defaultColor;
Console.BackgroundColor = mdc.defaultBackground;
lines = new List<string>();
for (int lineIndex = Math.Min(allLines.Length, Math.Max(0, lineStart)); lineIndex < Math.Min(lineStart + linesToWrite, allLines.Length); lineIndex++) {
lines.Add(allLines[lineIndex]);
}
for (int lineIndex = 0; lineIndex < lines.Count; lineIndex++) {
string l = lines[lineIndex];
lineNumber++;
if (catOptions.showLineNumbers) {
Console.BackgroundColor = catOptions.lineNumBackColor;
Console.ForegroundColor = catOptions.lineNumForeColor;
Console.Write("{0," + padLen + "}", lineNumber);
Console.BackgroundColor = catOptions.defaultBackColor;
Console.ForegroundColor = catOptions.defaultForeColor;
}
if (l.StartsWith("####")) {
// h4 and above use the same style..
Console.ForegroundColor = mdc.h4;
Console.WriteLine(l);
Console.ForegroundColor = mdc.defaultColor;
lastType = "h4";
continue;
}
if (l.StartsWith("###")) {
Console.ForegroundColor = mdc.h3;
Console.WriteLine(l);
Console.ForegroundColor = mdc.defaultColor;
lastType = "h3";
continue;
}
if (l.StartsWith("##")) {
Console.ForegroundColor = mdc.h2;
Console.WriteLine(l);
Console.ForegroundColor = mdc.defaultColor;
lastType = "h2";
continue;
}
if (l.StartsWith("#")) {
Console.ForegroundColor = mdc.h1;
Console.WriteLine(l);
Console.ForegroundColor = mdc.defaultColor;
lastType = "h1";
continue;
}
#if false
ColoredString s = new ColoredString();
bool modified = true;
bool urlRegexDone = false;
//s = ColoredString.Parse(l);
//while (modified) {
// modified = false;
// if (!urlRegexDone) {
// m = urlRegex.Match(s._value.ToString());
// if (m.Success) {
// //Console.ForegroundColor = mdc.debugColor;
// //Console.WriteLine(">" + l);
// //Console.WriteLine();
// //for (int i = 0; i < m.Groups.Count; i++) {
// // Console.WriteLine(">" + i + " " + m.Groups[i]);
// //}
// //Console.WriteLine();
// //foreach (Capture c in m.Captures) {
// // Console.WriteLine(">" + c.Index + " " + c.Value);
// //}
// //Console.WriteLine();
// //Console.WriteLine(">" + m.Index + " " + m.Value);
// //Console.ForegroundColor = mdc.defaultColor;
// //Console.Write(l.Substring(0, m.Index));
// //Console.ForegroundColor = mdc.linkSymbols;
// //Console.Write("[");
// //Console.ForegroundColor = mdc.linkUrl;
// //Console.Write(m.Groups[1]);
// //Console.ForegroundColor = mdc.linkSymbols;
// //Console.Write("](");
// //Console.ForegroundColor = mdc.linkTitle;
// //Console.Write(m.Groups[2]);
// //Console.ForegroundColor = mdc.linkSymbols;
// //Console.Write(")");
// //Console.ForegroundColor = mdc.defaultColor;
// //Console.Write(l.Substring(m.Index + m.Groups[1].Length + m.Groups[2].Length + 4));
// //s.Clear()
// // .Append("{").Append(mdc.defaultColor).Append("}")
// // .Append(l.Substring(0, m.Index))
// // .Append('{').Append(mdc.linkSymbols).Append("}")
// // .Append('[')
// // .Append('{').Append(mdc.linkUrl).Append("}")
// // .Append(m.Groups[1])
// // .Append('{').Append(mdc.linkSymbols).Append("}")
// // .Append("](")
// // .Append('{').Append(mdc.linkTitle).Append("}")
// // .Append(m.Groups[2])
// // .Append('{').Append(mdc.linkSymbols).Append("}")
// // .Append(")")
// // .Append('{').Append(mdc.defaultColor).Append("}")
// // .Append(l.Substring(m.Index + m.Groups[1].Length + m.Groups[2].Length + 4));
// s.Clear()
// .Append(l.Substring(0, m.Index), mdc.defaultColor)
// .Append('[', mdc.linkSymbols)
// .Append(m.Groups[1], mdc.linkUrl)
// .Append("](", mdc.linkSymbols)
// .Append(m.Groups[2], mdc.linkTitle)
// .Append(")", mdc.linkSymbols)
// .Append(l.Substring(m.Index + m.Groups[1].Length + m.Groups[2].Length + 4), mdc.defaultColor);
// l = s.ToString();
// modified = true;
// }
// urlRegexDone = true;
// }
//}
#endif
string lt = l.Trim();
if (lt.Length == 0) {
if (lastType == "code" && (lineIndex < lines.Count - 1 && lines[lineIndex + 1].StartsWith(" "))) {
l = " ";
} else {
Console.WriteLine(l);
lastType = "";
continue;
}
}
if (l.StartsWith(" ")) {
Console.BackgroundColor = mdc.codePrefixBackground;
Console.Write(" ");
Console.BackgroundColor = mdc.defaultBackground;
l = l.Substring(4);
lt = l.Trim();
//Console.ForegroundColor = mdc.debugColor;
//Console.WriteLine("'" + l + "'");
if (lt.StartsWith(">") || lt.StartsWith("$")) {
int i = l.IndexOfAny(new char[] { '>', '$' });
Console.ForegroundColor = mdc.codeConsoleCmdSymbol;
Console.Write(l.Substring(0, i + 1));
Console.ForegroundColor = mdc.defaultColor;
Console.WriteLine(l.Substring(i + 1));
} else {
Console.WriteLine(l);
}
lastType = "code";
continue;
}
m = urlRegex.Match(l);
if (m.Success) {
//Console.ForegroundColor = mdc.debugColor;
//Console.WriteLine(">" + l);
//Console.WriteLine();
//for (int i = 0; i < m.Groups.Count; i++) {
// Console.WriteLine(">" + i + " " + m.Groups[i]);
//}
//Console.WriteLine();
//foreach (Capture c in m.Captures) {
// Console.WriteLine(">" + c.Index + " " + c.Value);
//}
//Console.WriteLine();
//Console.WriteLine(">" + m.Index + " " + m.Value);
Console.ForegroundColor = mdc.defaultColor;
Console.Write(l.Substring(0, m.Index));
Console.ForegroundColor = mdc.linkSymbols;
Console.Write("[");
Console.ForegroundColor = mdc.linkUrl;
Console.Write(m.Groups[1]);
Console.ForegroundColor = mdc.linkSymbols;
Console.Write("](");
Console.ForegroundColor = mdc.linkTitle;
Console.Write(m.Groups[2]);
Console.ForegroundColor = mdc.linkSymbols;
Console.Write(")");
Console.ForegroundColor = mdc.defaultColor;
Console.Write(l.Substring(m.Index + m.Groups[1].Length + m.Groups[2].Length + 4));
lastType = "url";
continue;
}
m = boldRegex.Match(l);
if (m.Success) {
//foreach (Capture c in m.Captures) {
// Console.WriteLine(">" + c.Index + " " + c.Value);
//}
Console.ForegroundColor = mdc.defaultColor;
Console.Write(Text.Wrap(l.Substring(0, m.Index), width, 0));
Console.ForegroundColor = mdc.emphasisText;
Console.Write(m.Groups[1]);
Console.ForegroundColor = mdc.defaultColor;
Console.Write(Text.Wrap(l.Substring(m.Index + m.Groups[1].Length + 4), new int[] { width - Console.CursorLeft, width }, new int[] { 0 }));
lastType = "bold";
continue;
}
int indentation;
if (l.StartsWith(" ")) {
indentation = 0;
foreach (char c in l) {
if (c == ' ') {
indentation++;
} else {
break;
}
}
} else {
indentation = 0;
}
Console.WriteLine(Text.Wrap(l, width, indentation));
lastType = "text";
}
Console.ForegroundColor = mdc.originalColor;
Console.BackgroundColor = mdc.originalBackground;
return true;
}
public static void Write( ColoredString coloredString )
{
if (coloredString == null || coloredString.Length == 0) {
return;
}
ConsoleColor backupForeColor = Console.ForegroundColor,
backupBackColor = Console.BackgroundColor;
int count = 0;
string value = coloredString._value.ToString();
foreach (KeyValuePair<int, ConsoleColor?> pair in coloredString._foreColors) {
if (pair.Value.HasValue) {
Console.ForegroundColor = pair.Value.Value;
}
if (coloredString._backColors[pair.Key].HasValue) {
Console.BackgroundColor = coloredString._backColors[pair.Key].Value;
}
if (count == 0 && pair.Key > 0) {
Console.Write(value.Substring(0, pair.Key - 1));
}
Console.Write(value.Substring(0, pair.Key));
}
Console.ForegroundColor = backupForeColor;
Console.BackgroundColor = backupBackColor;
}
public static void WriteLine( ColoredString coloredString )
{
ColoredString.Write(coloredString);
Console.WriteLine();
}
public static ColoredString Parse( string Value )
{
ColoredString cs;
List<string> sections;
String[] parts;
int len;
cs = new ColoredString();
foreach (String color in Enum.GetNames(typeof(ConsoleColor))) {
Value = Regex.Replace(Value, @"\{" + color + @"\}", "\r\n@={" + color + @"}", RegexOptions.IgnoreCase);
}
sections = new List<string>(Value.Split(new string[] { "\r\n@=" }, StringSplitOptions.RemoveEmptyEntries));
foreach (String val in sections) {
parts = val.Split(new Char[] { '}' }, 2);
parts[0] = parts[0].Substring(1); // remove the preceding '{'
//coloredStrings.Add(parts[1], (ConsoleColor)Enum.Parse(typeof(ConsoleColor), parts[0])));
len = cs._value.Length;
cs._foreColors.Add(len, (ConsoleColor)Enum.Parse(typeof(ConsoleColor), parts[0]));
cs._backColors.Add(len, null);
cs._value.Append(parts[1]);
}
return cs;
}
