vfmt: fix eating of `app.$method(vars)`; format vlib/vweb/vweb.v
parent
ba8cdb2977
commit
2dc9a45e06
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@ -821,6 +821,8 @@ pub fn (mut f Fmt) expr(node ast.Expr) {
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ast.ComptimeCall {
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if node.is_vweb {
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f.write('$' + 'vweb.html()')
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} else {
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f.write('${node.left}.\$${node.method_name}($node.args_var)')
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}
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}
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ast.ConcatExpr {
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@ -0,0 +1,89 @@
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struct App {
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a string
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b string
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mut:
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c int
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d f32
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pub:
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e f32
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f u64
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pub mut:
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g string
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h byte
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}
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fn comptime_for() {
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println(@FN)
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$for method in App.methods {
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println(' method: $method.name | $method')
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}
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}
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fn comptime_for_with_if() {
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println(@FN)
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$for method in App.methods {
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println(' method: $method')
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$if method.typ is fn () {
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assert method.name in ['run', 'method2']
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}
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$if method.return_type is int {
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assert method.name in ['int_method1', 'int_method2']
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}
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$if method.args[0].typ is string {
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assert method.name == 'my_method'
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}
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}
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}
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fn comptime_for_fields() {
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println(@FN)
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$for field in App.fields {
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println(' field: $field.name | $field')
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$if field.typ is string {
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assert field.name in ['a', 'b', 'g']
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}
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$if field.typ is f32 {
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assert field.name in ['d', 'e']
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}
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if field.is_mut {
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assert field.name in ['c', 'd', 'g', 'h']
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}
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if field.is_pub {
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assert field.name in ['e', 'f', 'g', 'h']
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}
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if field.is_pub && field.is_mut {
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assert field.name in ['g', 'h']
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}
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}
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}
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struct Result {
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}
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fn (mut a App) my_method(p string) Result {
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println('>>>> ${@FN} | p: $p')
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return Result{}
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}
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fn handle_conn<T>(mut app T) {
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mut vars := []string{cap: 123}
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vars << 'abc'
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vars << 'def'
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$for method in T.methods {
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$if method.return_type is Result {
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app.$method(vars)
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}
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}
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}
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fn comptime_call_dollar_method() {
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mut app := App{}
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handle_conn<App>(mut app)
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}
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fn main() {
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comptime_for()
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comptime_for_with_if()
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comptime_for_fields()
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comptime_call_dollar_method()
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}
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310
vlib/vweb/vweb.v
310
vlib/vweb/vweb.v
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@ -1,7 +1,6 @@
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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module vweb
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import os
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@ -12,70 +11,74 @@ import strings
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import time
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pub const (
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methods_with_form = [http.Method.post, .put, .patch]
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header_server = 'Server: VWeb\r\n'
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methods_with_form = [http.Method.post, .put, .patch]
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header_server = 'Server: VWeb\r\n'
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header_connection_close = 'Connection: close\r\n'
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headers_close = '${header_server}${header_connection_close}\r\n'
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http_404 = 'HTTP/1.1 404 Not Found\r\nContent-Type: text/plain\r\nContent-Length: 13\r\n${headers_close}404 Not Found'
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http_500 = 'HTTP/1.1 500 Internal Server Error\r\nContent-Type: text/plain\r\n${headers_close}500 Internal Server Error'
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mime_types = {
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'.css': 'text/css; charset=utf-8',
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'.gif': 'image/gif',
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'.htm': 'text/html; charset=utf-8',
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'.html': 'text/html; charset=utf-8',
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'.jpg': 'image/jpeg',
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'.js': 'application/javascript',
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'.json': 'application/json',
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'.md': 'text/markdown; charset=utf-8',
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'.pdf': 'application/pdf',
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'.png': 'image/png',
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'.svg': 'image/svg+xml',
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'.txt': 'text/plain; charset=utf-8',
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'.wasm': 'application/wasm',
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headers_close = '$header_server$header_connection_close\r\n'
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http_404 = 'HTTP/1.1 404 Not Found\r\nContent-Type: text/plain\r\nContent-Length: 13\r\n${headers_close}404 Not Found'
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http_500 = 'HTTP/1.1 500 Internal Server Error\r\nContent-Type: text/plain\r\n${headers_close}500 Internal Server Error'
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mime_types = {
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'.css': 'text/css; charset=utf-8'
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'.gif': 'image/gif'
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'.htm': 'text/html; charset=utf-8'
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'.html': 'text/html; charset=utf-8'
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'.jpg': 'image/jpeg'
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'.js': 'application/javascript'
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'.json': 'application/json'
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'.md': 'text/markdown; charset=utf-8'
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'.pdf': 'application/pdf'
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'.png': 'image/png'
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'.svg': 'image/svg+xml'
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'.txt': 'text/plain; charset=utf-8'
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'.wasm': 'application/wasm'
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'.xml': 'text/xml; charset=utf-8'
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}
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max_http_post_size = 1024 * 1024
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default_port = 8080
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max_http_post_size = 1024 * 1024
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default_port = 8080
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)
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pub struct Context {
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mut:
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static_files map[string]string
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static_files map[string]string
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static_mime_types map[string]string
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content_type string = 'text/plain'
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status string = '200 OK'
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content_type string = 'text/plain'
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status string = '200 OK'
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pub:
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req http.Request
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conn net.Socket
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req http.Request
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conn net.Socket
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// TODO Response
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pub mut:
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form map[string]string
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query map[string]string
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headers string // response headers
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done bool
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page_gen_start i64
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form_error string
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form map[string]string
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query map[string]string
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headers string // response headers
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done bool
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page_gen_start i64
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form_error string
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}
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pub struct Cookie {
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name string
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value string
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expires time.Time
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secure bool
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name string
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value string
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expires time.Time
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secure bool
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http_only bool
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}
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pub struct Result {}
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pub struct Result {
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}
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fn (mut ctx Context) send_response_to_client(mimetype string, res string) bool {
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if ctx.done { return false }
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if ctx.done {
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return false
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}
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ctx.done = true
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mut sb := strings.new_builder(1024)
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defer { sb.free() }
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sb.write('HTTP/1.1 ${ctx.status}')
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sb.write('\r\nContent-Type: ${mimetype}')
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sb.write('\r\nContent-Length: ${res.len}')
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defer {
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sb.free()
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}
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sb.write('HTTP/1.1 $ctx.status')
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sb.write('\r\nContent-Type: $mimetype')
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sb.write('\r\nContent-Length: $res.len')
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sb.write(ctx.headers)
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sb.write('\r\n')
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sb.write(headers_close)
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@ -84,7 +87,9 @@ fn (mut ctx Context) send_response_to_client(mimetype string, res string) bool {
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defer {
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s.free()
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}
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ctx.conn.send_string(s) or { return false }
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ctx.conn.send_string(s) or {
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return false
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}
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return true
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}
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@ -108,26 +113,32 @@ pub fn (mut ctx Context) ok(s string) Result {
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}
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pub fn (mut ctx Context) redirect(url string) Result {
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if ctx.done { return Result{} }
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if ctx.done {
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return Result{}
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}
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ctx.done = true
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ctx.conn.send_string('HTTP/1.1 302 Found\r\nLocation: ${url}${ctx.headers}\r\n${headers_close}') or { return Result{} }
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ctx.conn.send_string('HTTP/1.1 302 Found\r\nLocation: $url$ctx.headers\r\n$headers_close') or {
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return Result{}
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}
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return Result{}
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}
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pub fn (mut ctx Context) not_found() Result {
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if ctx.done { return vweb.Result{} }
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if ctx.done {
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return Result{}
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}
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ctx.done = true
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ctx.conn.send_string(http_404) or {}
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return vweb.Result{}
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ctx.conn.send_string(http_404) or { }
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return Result{}
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}
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pub fn (mut ctx Context) set_cookie(cookie Cookie) {
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mut cookie_data := []string{}
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mut secure := if cookie.secure { "Secure;" } else { "" }
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secure += if cookie.http_only { " HttpOnly" } else { " " }
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mut secure := if cookie.secure { 'Secure;' } else { '' }
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secure += if cookie.http_only { ' HttpOnly' } else { ' ' }
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cookie_data << secure
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if cookie.expires.unix > 0 {
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cookie_data << 'expires=${cookie.expires.utc_string()}'
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cookie_data << 'expires=$cookie.expires.utc_string()'
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}
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data := cookie_data.join(' ')
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ctx.add_header('Set-Cookie', '$cookie.name=$cookie.value; $data')
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@ -135,8 +146,8 @@ pub fn (mut ctx Context) set_cookie(cookie Cookie) {
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pub fn (mut ctx Context) set_cookie_old(key string, val string) {
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// TODO support directives, escape cookie value (https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie)
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//ctx.add_header('Set-Cookie', '${key}=${val}; Secure; HttpOnly')
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ctx.add_header('Set-Cookie', '${key}=${val}; HttpOnly')
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// ctx.add_header('Set-Cookie', '${key}=${val}; Secure; HttpOnly')
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ctx.add_header('Set-Cookie', '$key=$val; HttpOnly')
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}
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pub fn (mut ctx Context) set_content_type(typ string) {
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@ -144,7 +155,7 @@ pub fn (mut ctx Context) set_content_type(typ string) {
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}
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pub fn (mut ctx Context) set_cookie_with_expire_date(key string, val string, expire_date time.Time) {
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ctx.add_header('Set-Cookie', '$key=$val; Secure; HttpOnly; expires=${expire_date.utc_string()}')
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ctx.add_header('Set-Cookie', '$key=$val; Secure; HttpOnly; expires=$expire_date.utc_string()')
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}
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pub fn (ctx &Context) get_cookie(key string) ?string { // TODO refactor
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@ -153,13 +164,10 @@ pub fn (ctx &Context) get_cookie(key string) ?string { // TODO refactor
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cookie_header = ctx.get_header('Cookie')
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}
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cookie_header = ' ' + cookie_header
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//println('cookie_header="$cookie_header"')
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//println(ctx.req.headers)
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cookie := if cookie_header.contains(';') {
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cookie_header.find_between(' $key=', ';')
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} else {
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cookie_header.find_between(' $key=', '\r')
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}
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// println('cookie_header="$cookie_header"')
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// println(ctx.req.headers)
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cookie := if cookie_header.contains(';') { cookie_header.find_between(' $key=', ';') } else { cookie_header.find_between(' $key=',
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'\r') }
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if cookie != '' {
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return cookie.trim_space()
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}
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@ -175,20 +183,18 @@ pub fn (mut ctx Context) set_status(code int, desc string) {
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}
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pub fn (mut ctx Context) add_header(key string, val string) {
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//println('add_header($key, $val)')
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// println('add_header($key, $val)')
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ctx.headers = ctx.headers + '\r\n$key: $val'
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//println(ctx.headers)
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// println(ctx.headers)
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}
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pub fn (ctx &Context) get_header(key string) string {
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return ctx.req.headers[key]
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}
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//fn handle_conn(conn net.Socket) {
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//println('handle')
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//}
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// fn handle_conn(conn net.Socket) {
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// println('handle')
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// }
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pub fn run<T>(port int) {
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mut app := T{}
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run_app<T>(mut app, port)
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@ -196,7 +202,9 @@ pub fn run<T>(port int) {
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pub fn run_app<T>(mut app T, port int) {
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println('Running a Vweb app on http://localhost:$port')
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l := net.listen(port) or { panic('failed to listen') }
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l := net.listen(port) or {
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panic('failed to listen')
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}
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app.vweb = Context{}
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app.init_once()
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$for method in T.methods {
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@ -204,16 +212,18 @@ pub fn run_app<T>(mut app T, port int) {
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// check routes for validity
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}
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}
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//app.reset()
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// app.reset()
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for {
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conn := l.accept() or { panic('accept() failed') }
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//handle_conn<T>(conn, mut app)
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conn := l.accept() or {
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panic('accept() failed')
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}
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// handle_conn<T>(conn, mut app)
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handle_conn<T>(conn, mut app)
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//app.vweb.page_gen_time = time.ticks() - t
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//eprintln('handle conn() took ${time.ticks()-t}ms')
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//message := readall(conn)
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//println(message)
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/*
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// app.vweb.page_gen_time = time.ticks() - t
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// eprintln('handle conn() took ${time.ticks()-t}ms')
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// message := readall(conn)
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// println(message)
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/*
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if message.len > max_http_post_size {
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println('message.len = $message.len > max_http_post_size')
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conn.send_string(http_500) or {}
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@ -221,11 +231,9 @@ pub fn run_app<T>(mut app T, port int) {
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continue
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}
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*/
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//lines := message.split_into_lines()
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//println(lines)
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/*
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// lines := message.split_into_lines()
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// println(lines)
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/*
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if lines.len < 2 {
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conn.send_string(http_500) or {}
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conn.close() or {}
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@ -236,65 +244,64 @@ pub fn run_app<T>(mut app T, port int) {
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}
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fn handle_conn<T>(conn net.Socket, mut app T) {
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defer { conn.close() or {} }
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//fn handle_conn<T>(conn net.Socket, app_ T) T {
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//mut app := app_
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//first_line := strip(lines[0])
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defer {
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conn.close() or { }
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}
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// fn handle_conn<T>(conn net.Socket, app_ T) T {
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// mut app := app_
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// first_line := strip(lines[0])
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page_gen_start := time.ticks()
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first_line := conn.read_line()
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$if debug {
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println('firstline="$first_line"')
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}
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// Parse the first line
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// "GET / HTTP/1.1"
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//first_line := s.all_before('\n')
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// first_line := s.all_before('\n')
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vals := first_line.split(' ')
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if vals.len < 2 {
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println('no vals for http')
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conn.send_string(http_500) or {}
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conn.send_string(http_500) or { }
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return
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//continue
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}
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mut headers := []string{}
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mut body := ''
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mut in_headers := true
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mut len := 0
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//for line in lines[1..] {
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for _ in 0..100 {
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//println(j)
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// for line in lines[1..] {
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for _ in 0 .. 100 {
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// println(j)
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line := conn.read_line()
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sline := strip(line)
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if sline == '' {
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//if in_headers {
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// End of headers, no body => exit
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if len == 0 {
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break
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}
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//} //else {
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// End of body
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//break
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//}
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// if in_headers {
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// End of headers, no body => exit
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if len == 0 {
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break
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}
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// } //else {
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// End of body
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// break
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// }
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in_headers = false
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}
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if in_headers {
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//println(sline)
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// println(sline)
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headers << sline
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if sline.starts_with('Content-Length') {
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len = sline.all_after(': ').int()
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//println('GOT CL=$len')
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// println('GOT CL=$len')
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}
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} else {
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body += line.trim_left('\r\n')
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if body.len >= len {
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break
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}
|
||||
//println('body:$body')
|
||||
// println('body:$body')
|
||||
}
|
||||
}
|
||||
|
||||
req := http.Request{
|
||||
headers: http.parse_headers(headers) //s.split_into_lines())
|
||||
headers: http.parse_headers(headers) // s.split_into_lines())
|
||||
data: strip(body)
|
||||
ws_func: 0
|
||||
user_ptr: 0
|
||||
|
@ -304,19 +311,19 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
$if debug {
|
||||
println('req.headers = ')
|
||||
println(req.headers)
|
||||
println('req.data="$req.data"' )
|
||||
//println('vweb action = "$action"')
|
||||
println('req.data="$req.data"')
|
||||
// println('vweb action = "$action"')
|
||||
}
|
||||
//mut app := T{
|
||||
// mut app := T{
|
||||
app.vweb = Context{
|
||||
req: req
|
||||
conn: conn
|
||||
form: map[string]string
|
||||
form: map[string]string{}
|
||||
static_files: app.vweb.static_files
|
||||
static_mime_types: app.vweb.static_mime_types
|
||||
page_gen_start: page_gen_start
|
||||
}
|
||||
//}
|
||||
// }
|
||||
if req.method in methods_with_form {
|
||||
app.vweb.parse_form(req.data)
|
||||
}
|
||||
|
@ -325,9 +332,7 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
println('no vals for http')
|
||||
}
|
||||
return
|
||||
//continue
|
||||
}
|
||||
|
||||
// Serve a static file if it is one
|
||||
// TODO: handle url parameters properly - for now, ignore them
|
||||
mut static_file_name := app.vweb.req.url
|
||||
|
@ -336,10 +341,9 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
}
|
||||
static_file := app.vweb.static_files[static_file_name]
|
||||
mime_type := app.vweb.static_mime_types[static_file_name]
|
||||
|
||||
if static_file != '' && mime_type != '' {
|
||||
data := os.read_file(static_file) or {
|
||||
conn.send_string(http_404) or {}
|
||||
conn.send_string(http_404) or { }
|
||||
return
|
||||
}
|
||||
app.vweb.send_response_to_client(mime_type, data)
|
||||
|
@ -347,19 +351,16 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
return
|
||||
}
|
||||
app.init()
|
||||
|
||||
// Call the right action
|
||||
$if debug {
|
||||
println('route matching...')
|
||||
}
|
||||
//t := time.ticks()
|
||||
//mut action := ''
|
||||
// t := time.ticks()
|
||||
// mut action := ''
|
||||
mut route_words_a := [][]string{}
|
||||
//mut url_words := vals[1][1..].split('/').filter(it != '')
|
||||
// mut url_words := vals[1][1..].split('/').filter(it != '')
|
||||
x := vals[1][1..].split('/')
|
||||
mut url_words := x.filter(it != '')
|
||||
|
||||
|
||||
if url_words.len == 0 {
|
||||
app.index()
|
||||
return
|
||||
|
@ -376,7 +377,6 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
mut vars := []string{cap: route_words_a.len}
|
||||
mut action := ''
|
||||
$for method in T.methods {
|
||||
|
@ -388,7 +388,9 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
// since such methods have a priority.
|
||||
// For example URL `/register` matches route `/:user`, but `fn register()`
|
||||
// should be called first.
|
||||
if (req.method == .get && url_words[0] == method.name && url_words.len == 1) || (req.method == .post && url_words[0] + '_post' == method.name) {
|
||||
if (req.method == .get &&
|
||||
url_words[0] == method.name && url_words.len == 1) ||
|
||||
(req.method == .post && url_words[0] + '_post' == method.name) {
|
||||
$if debug {
|
||||
println('easy match method=$method.name')
|
||||
}
|
||||
|
@ -427,12 +429,13 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
}
|
||||
if route_words_a.len > 0 {
|
||||
for route_words in route_words_a {
|
||||
if url_words.len == route_words.len || (url_words.len >= route_words.len - 1 && route_words.last().ends_with('...')) {
|
||||
if url_words.len == route_words.len ||
|
||||
(url_words.len >= route_words.len - 1 && route_words.last().ends_with('...')) {
|
||||
// match `/:user/:repo/tree` to `/vlang/v/tree`
|
||||
mut matching := false
|
||||
mut unknown := false
|
||||
mut variables := []string{cap: route_words.len}
|
||||
for i in 0..route_words.len {
|
||||
for i in 0 .. route_words.len {
|
||||
if url_words.len == i {
|
||||
variables << ''
|
||||
matching = true
|
||||
|
@ -477,7 +480,7 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
}
|
||||
if action == '' {
|
||||
// site not found
|
||||
conn.send_string(http_404) or {}
|
||||
conn.send_string(http_404) or { }
|
||||
return
|
||||
}
|
||||
$for method in T.methods {
|
||||
|
@ -488,7 +491,7 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
|
|||
if method.args.len == vars.len {
|
||||
app.$method(vars)
|
||||
} else {
|
||||
eprintln('warning: uneven parameters count (${method.args.len}) in `$method.name`, compared to the vweb route `$method.attrs` (${vars.len})')
|
||||
eprintln('warning: uneven parameters count ($method.args.len) in `$method.name`, compared to the vweb route `$method.attrs` ($vars.len)')
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -499,9 +502,9 @@ fn (mut ctx Context) parse_form(s string) {
|
|||
if ctx.req.method !in methods_with_form {
|
||||
return
|
||||
}
|
||||
//pos := s.index('\r\n\r\n')
|
||||
//if pos > -1 {
|
||||
mut str_form := s//[pos..s.len]
|
||||
// pos := s.index('\r\n\r\n')
|
||||
// if pos > -1 {
|
||||
mut str_form := s // [pos..s.len]
|
||||
str_form = str_form.replace('+', ' ')
|
||||
words := str_form.split('&')
|
||||
for word in words {
|
||||
|
@ -509,7 +512,9 @@ fn (mut ctx Context) parse_form(s string) {
|
|||
println('parse form keyval="$word"')
|
||||
}
|
||||
keyval := word.trim_space().split('=')
|
||||
if keyval.len != 2 { continue }
|
||||
if keyval.len != 2 {
|
||||
continue
|
||||
}
|
||||
key := urllib.query_unescape(keyval[0]) or {
|
||||
continue
|
||||
}
|
||||
|
@ -521,26 +526,26 @@ fn (mut ctx Context) parse_form(s string) {
|
|||
}
|
||||
ctx.form[key] = val
|
||||
}
|
||||
//}
|
||||
// }
|
||||
// todo: parse form-data and application/json
|
||||
// ...
|
||||
}
|
||||
|
||||
fn (mut ctx Context) scan_static_directory(directory_path string, mount_path string) {
|
||||
files := os.ls(directory_path) or { panic(err) }
|
||||
|
||||
files := os.ls(directory_path) or {
|
||||
panic(err)
|
||||
}
|
||||
if files.len > 0 {
|
||||
for file in files {
|
||||
|
||||
if os.is_dir(file) {
|
||||
ctx.scan_static_directory(directory_path + '/' + file, mount_path + '/' + file)
|
||||
} else if file.contains('.') && ! file.starts_with('.') && ! file.ends_with('.') {
|
||||
} else if file.contains('.') && !file.starts_with('.') && !file.ends_with('.') {
|
||||
ext := os.file_ext(file)
|
||||
|
||||
// Rudimentary guard against adding files not in mime_types.
|
||||
// Use serve_static directly to add non-standard mime types.
|
||||
if ext in mime_types {
|
||||
ctx.serve_static(mount_path + '/' + file, directory_path + '/' + file, mime_types[ext])
|
||||
ctx.serve_static(mount_path + '/' + file, directory_path + '/' + file,
|
||||
mime_types[ext])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -548,24 +553,19 @@ fn (mut ctx Context) scan_static_directory(directory_path string, mount_path str
|
|||
}
|
||||
|
||||
pub fn (mut ctx Context) handle_static(directory_path string) bool {
|
||||
if ctx.done || ! os.exists(directory_path) {
|
||||
if ctx.done || !os.exists(directory_path) {
|
||||
return false
|
||||
}
|
||||
|
||||
dir_path := directory_path.trim_space().trim_right('/')
|
||||
mut mount_path := ''
|
||||
|
||||
if dir_path != '.' && os.is_dir(dir_path) {
|
||||
// Mount point hygene, "./assets" => "/assets".
|
||||
mount_path = '/' + dir_path.trim_left('.').trim('/')
|
||||
}
|
||||
|
||||
ctx.scan_static_directory(dir_path, mount_path)
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
|
||||
pub fn (mut ctx Context) serve_static(url string, file_path string, mime_type string) {
|
||||
ctx.static_files[url] = file_path
|
||||
ctx.static_mime_types[url] = mime_type
|
||||
|
@ -580,7 +580,9 @@ pub fn (ctx &Context) ip() string {
|
|||
ip = ip.all_before(',')
|
||||
}
|
||||
if ip == '' {
|
||||
ip = ctx.conn.peer_ip() or { '' }
|
||||
ip = ctx.conn.peer_ip() or {
|
||||
''
|
||||
}
|
||||
}
|
||||
return ip
|
||||
}
|
||||
|
@ -589,7 +591,6 @@ pub fn (mut ctx Context) error(s string) {
|
|||
ctx.form_error = s
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
fn readall(conn net.Socket) string {
|
||||
// read all message from socket
|
||||
|
@ -606,7 +607,6 @@ fn readall(conn net.Socket) string {
|
|||
return message
|
||||
}
|
||||
*/
|
||||
|
||||
fn strip(s string) string {
|
||||
// strip('\nabc\r\n') => 'abc'
|
||||
return s.trim('\r\n')
|
||||
|
@ -618,11 +618,13 @@ pub fn not_found() Result {
|
|||
|
||||
fn filter(s string) string {
|
||||
return s.replace_each([
|
||||
'<', '<',
|
||||
'"', '"',
|
||||
'&', '&',
|
||||
'<',
|
||||
'<',
|
||||
'"',
|
||||
'"',
|
||||
'&',
|
||||
'&',
|
||||
])
|
||||
|
||||
}
|
||||
|
||||
pub type RawHtml = string
|
||||
|
|
Loading…
Reference in New Issue