tiny.smg.command.mutate.edge

1const std = @import("std");23const smg = @import("../../root.zig");4const graph_mod = smg.graph;5const cli_metadata = smg.cli.metadata;6const cli_options = smg.cli.options;7const cli_output = smg.cli.output;8const cli_resolve = smg.cli.resolve;9const cli_session = smg.command.session;10const cli_validation = smg.cli.validation;1112pub fn link(allocator: std.mem.Allocator, phases: std.mem.Allocator, args: []const []const u8, limits: smg.Limits) !u8 {13    if (try cli_validation.rejectMissingOptionValues(allocator, args, &.{"--meta"})) return 2;14    if (try cli_validation.rejectUnexpectedOptions(allocator, "link", "[OPTIONS] SOURCE REL TARGET", args, &.{"--meta"})) return 2;15    const pos = try cli_options.positional(allocator, args);16    if (pos.len == 0) {17        try cli_output.writeClickUsageError(allocator, "link", "[OPTIONS] SOURCE REL TARGET", "Missing argument 'SOURCE'.");18        return 2;19    }20    if (pos.len == 1) {21        try cli_output.writeClickUsageError(allocator, "link", "[OPTIONS] SOURCE REL TARGET", "Missing argument 'REL'.");22        return 2;23    }24    if (pos.len == 2) {25        try cli_output.writeClickUsageError(allocator, "link", "[OPTIONS] SOURCE REL TARGET", "Missing argument 'TARGET'.");26        return 2;27    }28    if (pos.len > 3) {29        try cli_output.writeClickUsageError(allocator, "link", "[OPTIONS] SOURCE REL TARGET", try cli_validation.unexpectedArgumentMessage(allocator, pos[3..]));30        return 2;31    }32    if (try cli_validation.rejectInvalidMeta(allocator, args)) return 2;33    const loaded = try cli_session.loadMutation(allocator, phases, limits);34    var graph = loaded.graph;35    const source = try cli_resolve.graphNode(allocator, graph, pos[0], limits.suggestions);36    const target = try cli_resolve.graphNode(allocator, graph, pos[2], limits.suggestions);37    const meta = try cli_metadata.pairs(allocator, args, "manual");38    try graph_mod.addEdge(&graph, .{ .source = source, .rel = try allocator.dupe(u8, pos[1]), .target = target, .metadata = meta });39    try smg.storage.graph.publish(phases, loaded.root, graph, loaded.head, limits);40    return try cli_output.writeOutFmt(allocator, "Linked {s} --{s}--> {s}\n", .{ source, pos[1], target });41}4243pub fn unlink(allocator: std.mem.Allocator, phases: std.mem.Allocator, args: []const []const u8, limits: smg.Limits) !u8 {44    if (try cli_validation.rejectUnexpectedOptions(allocator, "unlink", "[OPTIONS] SOURCE REL TARGET", args, &.{})) return 2;45    const pos = try cli_options.positional(allocator, args);46    if (pos.len == 0) {47        try cli_output.writeClickUsageError(allocator, "unlink", "[OPTIONS] SOURCE REL TARGET", "Missing argument 'SOURCE'.");48        return 2;49    }50    if (pos.len == 1) {51        try cli_output.writeClickUsageError(allocator, "unlink", "[OPTIONS] SOURCE REL TARGET", "Missing argument 'REL'.");52        return 2;53    }54    if (pos.len == 2) {55        try cli_output.writeClickUsageError(allocator, "unlink", "[OPTIONS] SOURCE REL TARGET", "Missing argument 'TARGET'.");56        return 2;57    }58    if (pos.len > 3) {59        try cli_output.writeClickUsageError(allocator, "unlink", "[OPTIONS] SOURCE REL TARGET", try cli_validation.unexpectedArgumentMessage(allocator, pos[3..]));60        return 2;61    }62    const loaded = try cli_session.loadMutation(allocator, phases, limits);63    var graph = loaded.graph;64    const source = try cli_resolve.graphNode(allocator, graph, pos[0], limits.suggestions);65    const target = try cli_resolve.graphNode(allocator, graph, pos[2], limits.suggestions);66    try graph_mod.removeEdge(&graph, source, pos[1], target);67    try smg.storage.graph.publish(phases, loaded.root, graph, loaded.head, limits);68    return try cli_output.writeOutFmt(allocator, "Unlinked {s} --{s}--> {s}\n", .{ source, pos[1], target });69}

1pub const edge = @import("edge.zig");