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mustache rendering works - cleanup needed

This commit is contained in:
Rene Schallner 2023-02-27 00:56:29 +01:00
parent 8273b56f2f
commit 9557bebf0b
3 changed files with 189 additions and 5 deletions

View file

@ -0,0 +1,60 @@
const std = @import("std");
const zap = @import("zap");
fn on_request_verbose(r: zap.SimpleRequest) void {
if (r.path) |the_path| {
std.debug.print("PATH: {s}\n", .{the_path});
}
if (r.query) |the_query| {
std.debug.print("QUERY: {s}\n", .{the_query});
}
const template = "{{=<< >>=}}* Users:\r\n<<#users>><<id>>. <<& name>> (<<name>>)\r\n<</users>>\r\nNested: <<& nested.item >>.";
const p = zap.MustacheNew(template) catch return;
const User = struct {
name: []const u8,
id: isize,
};
std.debug.print("{*}\n", .{p});
if (zap.MustacheBuild(p, .{
.users = [_]User{
User{
.name = "Rene",
.id = 1,
},
User{
.name = "Caro",
.id = 6,
},
},
.nested = .{
.item = "nesting works",
},
})) |s| {
std.debug.print("{s}\n", .{s});
_ = r.sendBody(s);
}
_ = r.sendBody("<html><body><h1>Hello from ZAP!!!</h1></body></html>");
}
fn on_request_minimal(r: zap.SimpleRequest) void {
_ = r.sendBody("<html><body><h1>Hello from ZAP!!!</h1></body></html>");
}
pub fn main() !void {
var listener = zap.SimpleHttpListener.init(.{
.port = 3000,
.on_request = on_request_verbose,
.log = true,
.max_clients = 100000,
});
try listener.listen();
std.debug.print("Listening on 0.0.0.0:3000\n", .{});
// start worker threads
zap.start(.{
.threads = 1,
.workers = 1,
});
}

View file

@ -7,6 +7,7 @@
// @cInclude("fiobj_mustache.h");
// });
const std = @import("std");
const util = @import("util.zig");
pub const FIOBJ = usize;
@ -87,11 +88,29 @@ pub fn MustacheNew(data: []const u8) MustacheError!*Mustache {
// pub extern fn fiobj_mustache_build2(dest: FIOBJ, mustache: ?*mustache_s, data: FIOBJ) FIOBJ;
pub extern fn fiobj_hash_new() FIOBJ;
pub extern fn fiobj_free(arg_o: FIOBJ) callconv(.C) void;
pub extern fn fiobj_hash_set(hash: FIOBJ, key: FIOBJ, obj: FIOBJ) c_int;
pub extern fn fiobj_ary_push(ary: FIOBJ, obj: FIOBJ) void;
pub extern fn fiobj_float_new(num: f64) FIOBJ;
pub extern fn fiobj_num_new_bignum(num: isize) FIOBJ;
// pub extern fn fiobj_num_new(num: isize) callconv(.C) FIOBJ;
pub const FIOBJ_T_TRUE: c_int = 22;
pub const FIOBJ_T_FALSE: c_int = 38;
pub fn fiobj_true() callconv(.C) FIOBJ {
return @bitCast(FIOBJ, @as(c_long, FIOBJ_T_TRUE));
}
pub fn fiobj_false() callconv(.C) FIOBJ {
return @bitCast(FIOBJ, @as(c_long, FIOBJ_T_FALSE));
}
pub extern fn fiobj_ary_new2(capa: usize) FIOBJ;
pub extern fn fiobj_str_new(str: [*c]const u8, len: usize) FIOBJ;
pub extern fn fiobj_str_buf(capa: usize) FIOBJ;
// this build is slow because it needs to translate to a FIOBJ data
// object FIOBJ_T_HASH
pub fn MustacheBuild(mustache: *Mustache, data: ?FIOBJ) ?[]const u8 {
_ = data;
pub fn MustacheBuild(mustache: *Mustache, data: anytype) ?[]const u8 {
// FIOBJ data = fiobj_hash_new();
// FIOBJ key = fiobj_str_new("users", 5);
@ -121,11 +140,116 @@ pub fn MustacheBuild(mustache: *Mustache, data: ?FIOBJ) ?[]const u8 {
// fiobj_hash_set(ary, key, fiobj_str_new("dot notation success", 20));
// fiobj_free(key);
var empty = fiobj_hash_new();
var ret = fiobj_mustache_build(mustache, empty);
const T = @TypeOf(data);
if (@typeInfo(T) != .Struct) {
@compileError("No struct: '" ++ @typeName(T) ++ "'");
}
// std.debug.print("data: ", .{});
const fiobj_data = fiobjectify(data);
// std.debug.print("{any}\n", .{fiobj_data});
// TODO: fiobj_free everything
var ret = fiobj_mustache_build(mustache, fiobj_data);
return util.fio2str(ret);
}
pub fn fiobjectify(
value: anytype,
) FIOBJ {
const T = @TypeOf(value);
switch (@typeInfo(T)) {
.Float, .ComptimeFloat => {
return fiobj_float_new(value);
},
.Int, .ComptimeInt => {
return fiobj_num_new_bignum(value);
},
.Bool => {
return if (value) fiobj_true() else fiobj_false();
},
.Null => {
return 0;
},
.Optional => {
if (value) |payload| {
return fiobjectify(payload);
} else {
return fiobjectify(null);
}
},
.Enum => {
return fiobj_num_new_bignum(@enumToInt(value));
},
.Union => {
const info = @typeInfo(T).Union;
if (info.tag_type) |UnionTagType| {
inline for (info.fields) |u_field| {
if (value == @field(UnionTagType, u_field.name)) {
return fiobjectify(@field(value, u_field.name));
}
}
} else {
@compileError("Unable to fiobjectify untagged union '" ++ @typeName(T) ++ "'");
}
},
.Struct => |S| {
// create a new fio hashmap
var m = fiobj_hash_new();
// std.debug.print("new struct\n", .{});
inline for (S.fields) |Field| {
// don't include void fields
if (Field.type == void) continue;
// std.debug.print(" new field: {s}\n", .{Field.name});
const fname = fiobj_str_new(util.toCharPtr(Field.name), Field.name.len);
// std.debug.print(" fiobj name : {any}\n", .{fname});
const v = @field(value, Field.name);
// std.debug.print(" value: {any}\n", .{v});
const fvalue = fiobjectify(v);
// std.debug.print(" fiobj value: {any}\n", .{fvalue});
_ = fiobj_hash_set(m, fname, fvalue);
}
return m;
},
.ErrorSet => return fiobjectify(@as([]const u8, @errorName(value))),
.Pointer => |ptr_info| switch (ptr_info.size) {
.One => switch (@typeInfo(ptr_info.child)) {
.Array => {
const Slice = []const std.meta.Elem(ptr_info.child);
return fiobjectify(@as(Slice, value));
},
else => {
// TODO: avoid loops?
return fiobjectify(value.*);
},
},
// TODO: .Many when there is a sentinel (waiting for https://github.com/ziglang/zig/pull/3972)
.Slice => {
// std.debug.print("new slice\n", .{});
if (ptr_info.child == u8 and std.unicode.utf8ValidateSlice(value)) {
return fiobj_str_new(util.toCharPtr(value), value.len);
}
var arr = fiobj_ary_new2(value.len);
for (value) |x| {
const v = fiobjectify(x);
fiobj_ary_push(arr, v);
}
return arr;
},
else => @compileError("Unable to fiobjectify type '" ++ @typeName(T) ++ "'"),
},
.Array => return fiobjectify(&value),
.Vector => |info| {
const array: [info.len]info.child = value;
return fiobjectify(&array);
},
else => @compileError("Unable to fiobjectify type '" ++ @typeName(T) ++ "'"),
}
unreachable;
}
// pub extern fn fiobj_mustache_free(mustache: ?*mustache_s) void;
pub fn MustacheFree(m: ?*Mustache) void {
fiobj_mustache_free(m);

View file

@ -19,7 +19,7 @@ pub fn str2fio(s: []const u8) C.fio_str_info_s {
};
}
fn toCharPtr(s: []const u8) [*c]u8 {
pub fn toCharPtr(s: []const u8) [*c]u8 {
return @intToPtr([*c]u8, @ptrToInt(s.ptr));
}