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修改一页行数计算公式

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Leonmmcoset
2026-02-06 22:08:51 +08:00
parent 477122d8c4
commit 9d2be87d54
1 changed files with 53 additions and 20 deletions
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73
shell/Commands/Help/Help.cs
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@@ -10,7 +10,13 @@ namespace CMLeonOS.Commands
public string Command { get; set; } public string Command { get; set; }
public string Parameters { get; set; } public string Parameters { get; set; }
public string Description { get; set; } public string Description { get; set; }
public string[] SubCommands { get; set; } public SubCommandInfo[] SubCommands { get; set; }
}
private class SubCommandInfo
{
public string Command { get; set; }
public string Description { get; set; }
} }
private static readonly List<CommandInfo> allCommands = new List<CommandInfo> private static readonly List<CommandInfo> allCommands = new List<CommandInfo>
@@ -92,7 +98,7 @@ namespace CMLeonOS.Commands
Command = "edit", Command = "edit",
Parameters = "<file>", Parameters = "<file>",
Description = "Simple code editor", Description = "Simple code editor",
SubCommands = new[] { "Tab key inserts 4 spaces" } SubCommands = new[] { new SubCommandInfo { Command = "", Description = "Tab key inserts 4 spaces" } }
}, },
new CommandInfo new CommandInfo
{ {
@@ -107,8 +113,8 @@ namespace CMLeonOS.Commands
Description = "Change directory", Description = "Change directory",
SubCommands = new[] SubCommands = new[]
{ {
"cd .. - Go to parent directory", new SubCommandInfo { Command = "cd ..", Description = "Go to parent directory" },
"cd dir1/dir2/dir3 - Go to numbered directory" new SubCommandInfo { Command = "cd dir1/dir2/dir3", Description = "Go to numbered directory" }
} }
}, },
new CommandInfo new CommandInfo
@@ -128,7 +134,7 @@ namespace CMLeonOS.Commands
Command = "rm", Command = "rm",
Parameters = "<file>", Parameters = "<file>",
Description = "Remove file", Description = "Remove file",
SubCommands = new[] { "Use -norisk to delete files in sys folder" } SubCommands = new[] { new SubCommandInfo { Command = "", Description = "Use -norisk to delete files in sys folder" } }
}, },
new CommandInfo new CommandInfo
{ {
@@ -153,14 +159,14 @@ namespace CMLeonOS.Commands
Command = "head", Command = "head",
Parameters = "<file>", Parameters = "<file>",
Description = "Display first lines of file", Description = "Display first lines of file",
SubCommands = new[] { "Usage: head <file> <lines>" } SubCommands = new[] { new SubCommandInfo { Command = "head <file> <lines>", Description = "Usage" } }
}, },
new CommandInfo new CommandInfo
{ {
Command = "tail", Command = "tail",
Parameters = "<file>", Parameters = "<file>",
Description = "Display last lines of file", Description = "Display last lines of file",
SubCommands = new[] { "Usage: tail <file> <lines>" } SubCommands = new[] { new SubCommandInfo { Command = "tail <file> <lines>", Description = "Usage" } }
}, },
new CommandInfo new CommandInfo
{ {
@@ -205,10 +211,10 @@ namespace CMLeonOS.Commands
Description = "User management", Description = "User management",
SubCommands = new[] SubCommands = new[]
{ {
"user add admin <username> <password> - Add admin user", new SubCommandInfo { Command = "user add admin <username> <password>", Description = "Add admin user" },
"user add user <username> <password> - Add regular user", new SubCommandInfo { Command = "user add user <username> <password>", Description = "Add regular user" },
"user delete <username> - Delete user", new SubCommandInfo { Command = "user delete <username>", Description = "Delete user" },
"user list - List all users" new SubCommandInfo { Command = "user list", Description = "List all users" }
} }
}, },
new CommandInfo new CommandInfo
@@ -224,9 +230,9 @@ namespace CMLeonOS.Commands
Description = "Environment variables", Description = "Environment variables",
SubCommands = new[] SubCommands = new[]
{ {
"env see <varname> - Show variable value", new SubCommandInfo { Command = "env see <varname>", Description = "Show variable value" },
"env change <varname> <value> - Set variable value", new SubCommandInfo { Command = "env change <varname> <value>", Description = "Set variable value" },
"env delete <varname> - Delete variable" new SubCommandInfo { Command = "env delete <varname>", Description = "Delete variable" }
} }
}, },
new CommandInfo new CommandInfo
@@ -336,7 +342,7 @@ namespace CMLeonOS.Commands
Command = "alias", Command = "alias",
Parameters = "<name> <cmd>", Parameters = "<name> <cmd>",
Description = "Create command alias", Description = "Create command alias",
SubCommands = new[] { "alias - List all aliases" } SubCommands = new[] { new SubCommandInfo { Command = "alias", Description = "List all aliases" } }
}, },
new CommandInfo new CommandInfo
{ {
@@ -367,19 +373,29 @@ namespace CMLeonOS.Commands
Command = "settings", Command = "settings",
Parameters = "<key> [value]", Parameters = "<key> [value]",
Description = "View or modify system settings", Description = "View or modify system settings",
SubCommands = new[] { "settings - List all settings" } SubCommands = new[] { new SubCommandInfo { Command = "settings", Description = "List all settings" } }
}, },
new CommandInfo new CommandInfo
{ {
Command = "help", Command = "help",
Parameters = "<page>", Parameters = "<page>",
Description = "Show help page (1-3)", Description = "Show help page (1-3)",
SubCommands = new[] { "help all - Show all help pages" } SubCommands = new[] { new SubCommandInfo { Command = "help all", Description = "Show all help pages" } }
} }
}; };
private const int CommandsPerPage = 15; private const int CommandsPerPage = 15;
private static int GetCommandLinesCount(CommandInfo cmd)
{
int lines = 1;
if (cmd.SubCommands != null && cmd.SubCommands.Length > 0)
{
lines += cmd.SubCommands.Length;
}
return lines;
}
public static void ProcessHelp(string args) public static void ProcessHelp(string args)
{ {
string[] helpArgs = args.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries); string[] helpArgs = args.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
@@ -398,7 +414,13 @@ namespace CMLeonOS.Commands
} }
} }
int totalPages = (int)Math.Ceiling((double)allCommands.Count / CommandsPerPage); int totalLines = 0;
foreach (var cmd in allCommands)
{
totalLines += GetCommandLinesCount(cmd);
}
int totalPages = (int)Math.Ceiling((double)totalLines / CommandsPerPage);
if (showAll) if (showAll)
{ {
@@ -445,9 +467,16 @@ namespace CMLeonOS.Commands
Console.WriteLine("===================================="); Console.WriteLine("====================================");
Console.WriteLine(); Console.WriteLine();
int linesOnPage = 0;
for (int i = startIndex; i < endIndex; i++) for (int i = startIndex; i < endIndex; i++)
{ {
int cmdLines = GetCommandLinesCount(allCommands[i]);
if (linesOnPage + cmdLines > CommandsPerPage)
{
break;
}
DisplayCommand(allCommands[i]); DisplayCommand(allCommands[i]);
linesOnPage += cmdLines;
} }
if (pageNumber < totalPages) if (pageNumber < totalPages)
@@ -466,17 +495,21 @@ namespace CMLeonOS.Commands
{ {
int maxCommandWidth = 18; int maxCommandWidth = 18;
int maxParamWidth = 18; int maxParamWidth = 18;
int subCommandIndent = 21;
int maxSubCommandWidth = 17;
string commandPart = PadRight(cmd.Command, maxCommandWidth); string commandPart = PadRight(cmd.Command, maxCommandWidth);
string paramPart = PadRight(cmd.Parameters, maxParamWidth); string paramPart = PadRight(cmd.Parameters, maxParamWidth);
Console.WriteLine($" {commandPart} {paramPart} - {cmd.Description}"); Console.WriteLine($" {commandPart} {paramPart} - {cmd.Description}");
if (cmd.SubCommands != null) if (cmd.SubCommands != null && cmd.SubCommands.Length > 0)
{ {
string indent = new string(' ', subCommandIndent);
foreach (var subCmd in cmd.SubCommands) foreach (var subCmd in cmd.SubCommands)
{ {
Console.WriteLine($" {subCmd}"); string subCmdPart = PadRight(subCmd.Command, maxSubCommandWidth);
Console.WriteLine($"{indent}{subCmdPart} - {subCmd.Description}");
} }
} }
} }