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379 lines (347 loc) · 11.6 KB
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using System.Text;
namespace NpgsqlRestClient;
public class Out
{
public void NL() => Console.WriteLine();
public void Logo()
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(@"
_ __ __ ____ __
/ | / /___ ____ ________/ / / __ \___ _____/ /_
/ |/ / __ \/ __ `/ ___/ __ \/ /_/ / _ \/ ___/ __/
/ /| / /_/ / /_/ (__ ) /_/ / _, _/ __(__ ) /_
/_/ |_/ .___/\__, /____/\__, /_/ |_|\___/____/\__/
/_/ /____/ /_/
");
Console.ResetColor();
}
public void Line(string line, ConsoleColor? color = null)
{
if (color is not null)
{
Console.ForegroundColor = color.Value;
}
Console.WriteLine(line);
if (color is not null)
{
Console.ResetColor();
}
}
public void Write(string line, ConsoleColor? color = null)
{
if (color is not null)
{
Console.ForegroundColor = color.Value;
}
Console.Write(line);
if (color is not null)
{
Console.ResetColor();
}
}
/// <summary>
/// Write a line wrapped in a raw ANSI SGR sequence (e.g. "\x1b[38;5;197m" for a 256-color foreground),
/// used when a specific color is needed that the 16-color <see cref="ConsoleColor"/> API can't express.
/// Emits plain text (no escapes) when output is redirected, so piped/CI logs stay clean.
/// </summary>
public void LineAnsi(string line, string ansiSgr)
{
if (Console.IsOutputRedirected)
{
Console.WriteLine(line);
return;
}
Console.Write(ansiSgr);
Console.Write(line);
Console.WriteLine("\x1b[0m");
}
/// <summary>
/// Write a line starting with a colored "chip" (the label rendered in its own SGR — e.g. white text on
/// a red background, like Serilog's ERR level chip) followed by the rest of the line, optionally in
/// another SGR. Emits plain text when output is redirected.
/// </summary>
public void LineChip(string chip, string chipSgr, string rest, string? restSgr = null)
{
if (Console.IsOutputRedirected)
{
Console.WriteLine(string.Concat(chip, rest));
return;
}
Console.Write(chipSgr);
Console.Write(chip);
Console.Write("\x1b[0m");
if (restSgr is not null)
{
Console.Write(restSgr);
}
Console.Write(rest);
Console.WriteLine("\x1b[0m");
}
public void JsonHighlight(string json)
{
if (Console.IsOutputRedirected)
{
Console.WriteLine(json);
return;
}
foreach (var line in json.Split('\n'))
{
var trimmed = line.AsSpan().TrimStart();
// leading whitespace
if (trimmed.Length < line.Length)
{
Console.Write(line.AsSpan(0, line.Length - trimmed.Length));
}
if (trimmed.IsEmpty)
{
Console.WriteLine();
continue;
}
// JSONC comments
if (trimmed.StartsWith("//"))
{
Write(trimmed.ToString(), ConsoleColor.DarkGreen);
Console.WriteLine();
continue;
}
// "key": value
if (trimmed.Length > 0 && trimmed[0] == '"')
{
int closeQuote = IndexOfUnescapedQuote(trimmed, 1);
if (closeQuote > 0)
{
var afterQuote = trimmed[(closeQuote + 1)..].TrimStart();
if (afterQuote.Length > 0 && afterQuote[0] == ':')
{
// It's a key
Write("\"", ConsoleColor.DarkGray);
Write(trimmed[1..closeQuote].ToString(), ConsoleColor.Cyan);
Write("\"", ConsoleColor.DarkGray);
Write(": ", ConsoleColor.DarkGray);
var value = afterQuote[1..].TrimStart();
WriteJsonValue(value);
Console.WriteLine();
continue;
}
else
{
// It's a string value on its own line (array element)
WriteJsonValue(trimmed);
Console.WriteLine();
continue;
}
}
}
// standalone structural or value tokens
WriteJsonValue(trimmed);
Console.WriteLine();
}
Console.ResetColor();
}
public void JsonHighlightWithMatch(string json, string match)
{
if (Console.IsOutputRedirected)
{
Console.WriteLine(json);
return;
}
foreach (var line in json.Split('\n'))
{
var trimmed = line.AsSpan().TrimStart();
// leading whitespace
if (trimmed.Length < line.Length)
{
Console.Write(line.AsSpan(0, line.Length - trimmed.Length));
}
if (trimmed.IsEmpty)
{
Console.WriteLine();
continue;
}
// JSONC comments
if (trimmed.StartsWith("//"))
{
WriteWithMatchHighlight(trimmed.ToString(), ConsoleColor.DarkGreen, match);
Console.WriteLine();
continue;
}
// "key": value
if (trimmed.Length > 0 && trimmed[0] == '"')
{
int closeQuote = IndexOfUnescapedQuote(trimmed, 1);
if (closeQuote > 0)
{
var afterQuote = trimmed[(closeQuote + 1)..].TrimStart();
if (afterQuote.Length > 0 && afterQuote[0] == ':')
{
Write("\"", ConsoleColor.DarkGray);
WriteWithMatchHighlight(trimmed[1..closeQuote].ToString(), ConsoleColor.Cyan, match);
Write("\"", ConsoleColor.DarkGray);
Write(": ", ConsoleColor.DarkGray);
var value = afterQuote[1..].TrimStart();
WriteJsonValueWithMatch(value, match);
Console.WriteLine();
continue;
}
else
{
WriteJsonValueWithMatch(trimmed, match);
Console.WriteLine();
continue;
}
}
}
WriteJsonValueWithMatch(trimmed, match);
Console.WriteLine();
}
Console.ResetColor();
}
private void WriteWithMatchHighlight(string text, ConsoleColor baseColor, string match)
{
int pos = 0;
while (pos < text.Length)
{
int idx = text.IndexOf(match, pos, StringComparison.OrdinalIgnoreCase);
if (idx < 0)
{
Write(text[pos..], baseColor);
break;
}
if (idx > pos)
{
Write(text[pos..idx], baseColor);
}
// Invert colors for the match
var prevBg = Console.BackgroundColor;
var prevFg = Console.ForegroundColor;
Console.BackgroundColor = baseColor;
Console.ForegroundColor = ConsoleColor.Black;
Console.Write(text[idx..(idx + match.Length)]);
Console.BackgroundColor = prevBg;
Console.ForegroundColor = prevFg;
pos = idx + match.Length;
}
}
private void WriteJsonValueWithMatch(ReadOnlySpan<char> value, string match)
{
if (value.IsEmpty) return;
var trimmed = value.TrimEnd();
bool trailingComma = trimmed.Length > 0 && trimmed[^1] == ',';
var core = trailingComma ? trimmed[..^1] : trimmed;
if (core.Length == 0)
{
if (trailingComma) Write(",", ConsoleColor.DarkGray);
return;
}
char first = core[0];
if (first == '"')
{
Write("\"", ConsoleColor.DarkGray);
WriteWithMatchHighlight(core[1..^1].ToString(), ConsoleColor.Yellow, match);
Write("\"", ConsoleColor.DarkGray);
}
else if (first is '{' or '}' or '[' or ']')
{
Write(core.ToString(), ConsoleColor.DarkGray);
}
else if (core is "null")
{
Write("null", ConsoleColor.DarkGray);
}
else if (core is "true" or "false" ||
(core.Length > 0 && (char.IsDigit(first) || first == '-')))
{
WriteWithMatchHighlight(core.ToString(), ConsoleColor.Green, match);
}
else
{
WriteWithMatchHighlight(core.ToString(), Console.ForegroundColor, match);
}
if (trailingComma) Write(",", ConsoleColor.DarkGray);
}
private void WriteJsonValue(ReadOnlySpan<char> value)
{
if (value.IsEmpty) return;
var trimmed = value.TrimEnd();
bool trailingComma = trimmed.Length > 0 && trimmed[^1] == ',';
var core = trailingComma ? trimmed[..^1] : trimmed;
if (core.Length == 0)
{
if (trailingComma) Write(",", ConsoleColor.DarkGray);
return;
}
char first = core[0];
if (first == '"')
{
Write("\"", ConsoleColor.DarkGray);
Write(core[1..^1].ToString(), ConsoleColor.Yellow);
Write("\"", ConsoleColor.DarkGray);
}
else if (first is '{' or '}' or '[' or ']')
{
Write(core.ToString(), ConsoleColor.DarkGray);
}
else if (core is "null")
{
Write("null", ConsoleColor.DarkGray);
}
else if (core is "true" or "false" ||
(core.Length > 0 && (char.IsDigit(first) || first == '-')))
{
Write(core.ToString(), ConsoleColor.Green);
}
else
{
Console.Write(core);
}
if (trailingComma) Write(",", ConsoleColor.DarkGray);
}
private static int IndexOfUnescapedQuote(ReadOnlySpan<char> span, int start)
{
for (int i = start; i < span.Length; i++)
{
if (span[i] == '\\')
{
i++; // skip escaped char
continue;
}
if (span[i] == '"') return i;
}
return -1;
}
public void Line((string str1, string str2)[] lines)
{
if (Console.IsOutputRedirected)
{
foreach (var (str1, str2) in lines)
{
Console.WriteLine($"{str1}\t{str2}");
}
return;
}
var pos = lines.Select(l => l.str1.Length).Max() + 1;
int consoleWidth = Console.WindowWidth;
foreach (var (str1, str2) in lines)
{
Write(str1, ConsoleColor.Yellow);
Console.CursorLeft = pos;
var words = str2.Split(' ');
var line = new StringBuilder(words[0]);
for (int i = 1; i < words.Length; i++)
{
if (line.Length + words[i].Length >= consoleWidth - pos)
{
Line(line.ToString());
line.Clear();
Console.CursorLeft = pos - 1;
}
line.Append(' ' + words[i]);
}
if (line.Length > 0)
{
Line(line.ToString());
}
}
}
}
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