96 lines
2.7 KiB
Zig
96 lines
2.7 KiB
Zig
const std = @import("std");
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const zargs = @import("zargs");
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/// Simple file processor configuration
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const Config = struct {
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input: []const u8 = "input.txt",
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output: []const u8 = "output.txt",
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verbose: bool = false,
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format: Format = .json,
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max_size: u32 = 1024,
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tags: []const []const u8 = &[_][]const u8{},
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pub const Format = enum { json, xml, csv };
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pub const meta = .{
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.input = .{
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.short = 'i',
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.help = "Input file path",
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},
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.output = .{
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.short = 'o',
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.help = "Output file path",
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},
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.verbose = .{
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.short = 'v',
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.help = "Enable verbose output",
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},
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.format = .{
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.help = "Output format",
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},
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.max_size = .{
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.help = "Maximum file size in KB",
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},
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.tags = .{
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.help = "Tags to filter (can specify multiple)",
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},
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};
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};
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.deinit();
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const allocator = gpa.allocator();
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defer zargs.shutdown();
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// Use populate to register metadata and parse arguments
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const config = try zargs.parse(Config, allocator);
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// Check if help was requested after parsing
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if (zargs.isHelp(allocator)) {
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// Generate and display help using the registry
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const help_text = try zargs.getUsageAlloc(allocator, "file_processor");
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defer allocator.free(help_text);
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std.debug.print("{s}", .{help_text});
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return;
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}
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// Use the configuration
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if (config.verbose) {
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std.debug.print("Configuration:\n", .{});
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std.debug.print(" Input: {s}\n", .{config.input});
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std.debug.print(" Output: {s}\n", .{config.output});
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std.debug.print(" Format: {s}\n", .{@tagName(config.format)});
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std.debug.print(" Max Size: {} KB\n", .{config.max_size});
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if (config.tags.len > 0) {
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std.debug.print(" Tags: ", .{});
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for (config.tags, 0..) |tag, i| {
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if (i > 0) std.debug.print(", ", .{});
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std.debug.print("{s}", .{tag});
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}
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std.debug.print("\n", .{});
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}
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std.debug.print("\n", .{});
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}
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// Process the file
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std.debug.print("Processing: {s} -> {s} (format: {s})\n", .{
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config.input,
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config.output,
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@tagName(config.format),
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});
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// Simulate file processing
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if (config.tags.len > 0) {
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std.debug.print("Filtering by tags: ", .{});
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for (config.tags, 0..) |tag, i| {
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if (i > 0) std.debug.print(", ", .{});
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std.debug.print("{s}", .{tag});
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}
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std.debug.print("\n", .{});
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}
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std.debug.print("Done!\n", .{});
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}
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