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zap util

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This commit is contained in:
Rene Schallner 2023-01-14 22:18:21 +01:00
parent 5c8aa438f9
commit b79d4d58c6
5 changed files with 50 additions and 38 deletions
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21
examples/endpoints/endpoints.zig
View file

@ -57,12 +57,12 @@ fn userIdFromPath(path: []const u8) ?usize {
return null;
}
pub fn getUser(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
fn getUser(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
_ = e;
if (r.path) |path| {
if (userIdFromPath(path)) |id| {
if (users.get(id)) |user| {
if (Users.stringify(user, .{})) |json| {
if (zap.stringify(user, .{})) |json| {
_ = r.sendJson(json);
}
}
@ -70,13 +70,13 @@ pub fn getUser(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
}
}
pub fn listUsers(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
fn listUsers(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
_ = e;
var l: std.ArrayList(Users.User) = std.ArrayList(Users.User).init(alloc);
if (users.list(&l)) {} else |_| {
return;
}
if (Users.stringifyUserList(&l, .{})) |maybe_json| {
if (zap.stringifyArrayList(Users.User, &l, .{})) |maybe_json| {
if (maybe_json) |json| {
_ = r.sendJson(json);
}
@ -84,3 +84,16 @@ pub fn listUsers(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
return;
}
}
fn postUser(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
_ = e;
if (r.path) |path| {
if (userIdFromPath(path)) |id| {
if (users.get(id)) |user| {
if (zap.stringify(user, .{})) |json| {
_ = r.sendJson(json);
}
}
}
}
}

2
examples/endpoints/html/index.html
View file

@ -2,6 +2,6 @@
<body>
<p><a href="/user/1">Show example user 1</a></p>
<p><a href="/user/2">Show example user 2</a></p>
<p><a href="/user/2">Show ALL users</a></p>
<p><a href="/list">Show ALL users</a></p>
</body>
</html>

33
examples/endpoints/users.zig
View file

@ -111,36 +111,3 @@ const JsonUserIterator = struct {
return null;
}
};
//
// JSON helpers
//
var jsonbuf: [100 * 1024]u8 = undefined;
pub fn stringify(value: anytype, options: std.json.StringifyOptions) ?[]const u8 {
var fba = std.heap.FixedBufferAllocator.init(&jsonbuf);
var string = std.ArrayList(u8).init(fba.allocator());
if (std.json.stringify(value, options, string.writer())) {
return string.items;
} else |_| { // error
return null;
}
}
pub fn stringifyUserList(
userlist: *std.ArrayList(User),
options: std.json.StringifyOptions,
) !?[]const u8 {
var fba = std.heap.FixedBufferAllocator.init(&jsonbuf);
var string = std.ArrayList(u8).init(fba.allocator());
var writer = string.writer();
try writer.writeByte('[');
var first: bool = true;
for (userlist.items) |user| {
if (!first) try writer.writeByte(',');
first = false;
try std.json.stringify(user, options, string.writer());
}
try writer.writeByte(']');
return string.items;
}

31
src/util.zig Normal file
View file

@ -0,0 +1,31 @@
const std = @import("std");
//
// JSON helpers
//
var jsonbuf: [100 * 1024]u8 = undefined;
pub fn stringify(value: anytype, options: std.json.StringifyOptions) ?[]const u8 {
var fba = std.heap.FixedBufferAllocator.init(&jsonbuf);
var string = std.ArrayList(u8).init(fba.allocator());
if (std.json.stringify(value, options, string.writer())) {
return string.items;
} else |_| { // error
return null;
}
}
pub fn stringifyArrayList(comptime T: anytype, list: *std.ArrayList(T), options: std.json.StringifyOptions) !?[]const u8 {
var fba = std.heap.FixedBufferAllocator.init(&jsonbuf);
var string = std.ArrayList(u8).init(fba.allocator());
var writer = string.writer();
try writer.writeByte('[');
var first: bool = true;
for (list.items) |user| {
if (!first) try writer.writeByte(',');
first = false;
try std.json.stringify(user, options, string.writer());
}
try writer.writeByte(']');
return string.items;
}

1
src/zap.zig
View file

@ -8,6 +8,7 @@ pub const C = @cImport({
});
pub usingnamespace @import("endpoint.zig");
pub usingnamespace @import("util.zig");
pub fn fio2str(o: C.FIOBJ) ?[]const u8 {
if (o == 0) return null;