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Docopt-style help output

This commit is contained in:
Hackerpilot 2016-01-26 23:55:56 -08:00
parent 845358bb61
commit 851affb63c
1 changed files with 9 additions and 10 deletions
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19
src/dfmt/main.d
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@ -186,14 +186,14 @@ private string optionsToString(E)() if (is(E == enum))
import std.traits : EnumMembers; import std.traits : EnumMembers;
import std.conv : to; import std.conv : to;
string result = "["; string result = "(";
foreach (i, option; EnumMembers!E) foreach (i, option; EnumMembers!E)
{ {
immutable s = to!string(option); immutable s = to!string(option);
if (s != "unspecified") if (s != "unspecified")
result ~= s ~ "|"; result ~= s ~ "|";
} }
result = result[0 .. $ - 1] ~ "]"; result = result[0 .. $ - 1] ~ ")";
return result; return result;
} }
@ -203,18 +203,17 @@ private void printHelp()
https://github.com/Hackerpilot/dfmt https://github.com/Hackerpilot/dfmt
Options: Options:
--help|h Print this help message --help, -h Print this help message
--inplace|i Edit files in place --inplace, -i Edit files in place
--version Print the version number and then exit --version Print the version number and then exit
Formatting Options: Formatting Options:
--align_switch_statements --align_switch_statements
--brace_style `, optionsToString!(typeof(Config.dfmt_brace_style))(), --brace_style `, optionsToString!(typeof(Config.dfmt_brace_style))(),
` `
--end_of_line `, optionsToString!(typeof(Config.end_of_line))(), ` --end_of_line `, optionsToString!(typeof(Config.end_of_line))(), `
--help|h
--indent_size --indent_size
--indent_style|t `, --indent_style, -t `,
optionsToString!(typeof(Config.indent_style))(), ` optionsToString!(typeof(Config.indent_style))(), `
--soft_max_line_length --soft_max_line_length
--max_line_length --max_line_length
@ -223,8 +222,8 @@ Formatting Options:
--selective_import_space --selective_import_space
--split_operator_at_line_end --split_operator_at_line_end
--compact_labeled_statements --compact_labeled_statements
--template_constraint_style `, --template_constraint_style
optionsToString!(typeof(Config.dfmt_template_constraint_style))()); `, optionsToString!(typeof(Config.dfmt_template_constraint_style))());
} }
private string createFilePath(bool readFromStdin, string fileName) private string createFilePath(bool readFromStdin, string fileName)