flow/src/tui/lsp_info.zig

90 lines
3.2 KiB
Zig

allocator: std.mem.Allocator,
table: Table,
const Table = std.StringHashMapUnmanaged(Info);
pub const Info = struct {
trigger_characters: std.ArrayList([]const u8) = .empty,
};
pub fn init(allocator: std.mem.Allocator) @This() {
return .{
.allocator = allocator,
.table = .empty,
};
}
pub fn deinit(self: *@This()) void {
var iter = self.table.iterator();
while (iter.next()) |item| {
for (item.value_ptr.trigger_characters.items) |char|
self.allocator.free(char);
item.value_ptr.trigger_characters.deinit(self.allocator);
self.allocator.free(item.key_ptr.*);
}
self.table.deinit(self.allocator);
}
pub fn add_from_event(self: *@This(), cbor_buf: []const u8) error{ InvalidTriggersArray, OutOfMemory }!void {
var iter = cbor_buf;
var project: []const u8 = undefined;
var lsp_arg0: []const u8 = undefined;
var trigger_characters: []const u8 = undefined;
if (!(cbor.matchValue(&iter, .{
cbor.any,
cbor.any,
cbor.extract(&project),
.{ cbor.extract(&lsp_arg0), cbor.more },
cbor.extract_cbor(&trigger_characters),
}) catch return)) return;
try self.add(lsp_arg0, &trigger_characters);
}
fn add(self: *@This(), lsp_arg0: []const u8, iter: *[]const u8) error{ InvalidTriggersArray, OutOfMemory }!void {
const key = try self.allocator.dupe(u8, lsp_arg0);
errdefer self.allocator.free(key);
const p = try self.table.getOrPut(self.allocator, key);
const value = p.value_ptr;
if (p.found_existing) {
for (value.trigger_characters.items) |char|
self.allocator.free(char);
value.trigger_characters.clearRetainingCapacity();
} else {
value.* = .{};
}
var len = cbor.decodeArrayHeader(iter) catch return error.InvalidTriggersArray;
while (len > 0) : (len -= 1) {
var char: []const u8 = undefined;
if (!(cbor.matchValue(iter, cbor.extract(&char)) catch return error.InvalidTriggersArray)) return error.InvalidTriggersArray;
(try value.trigger_characters.addOne(self.allocator)).* = try self.allocator.dupe(u8, char);
}
}
pub fn write_state(self: *@This(), writer: *std.Io.Writer) error{WriteFailed}!void {
try cbor.writeArrayHeader(writer, self.table.count());
var iter = self.table.iterator();
while (iter.next()) |item| {
try cbor.writeArrayHeader(writer, 2);
try cbor.writeValue(writer, item.key_ptr.*);
try cbor.writeArrayHeader(writer, item.value_ptr.trigger_characters.items.len);
for (item.value_ptr.trigger_characters.items) |char| try cbor.writeValue(writer, char);
}
}
pub fn extract_state(self: *@This(), iter: *[]const u8) error{ InvalidTriggersArray, OutOfMemory }!void {
var lsp_arg0: []const u8 = undefined;
var trigger_characters: []const u8 = undefined;
var len = cbor.decodeArrayHeader(iter) catch return;
while (len > 0) : (len -= 1) {
if (cbor.matchValue(iter, .{ cbor.extract(&lsp_arg0), cbor.extract_cbor(&trigger_characters) }) catch false) {
try self.add(lsp_arg0, &trigger_characters);
} else {
cbor.skipValue(iter) catch return error.InvalidTriggersArray;
}
}
}
const std = @import("std");
const cbor = @import("cbor");