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parser: comp for attrs array (#5903)

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This commit is contained in:
Louis Schmieder
2020-07-23 17:19:37 +02:00
committed by GitHub
parent 7a4c27bd08
commit b537d8e23e
3 changed files with 102 additions and 53 deletions
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125
vlib/vweb/vweb.v
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@@ -13,7 +13,7 @@ import time
pub const (
methods_with_form = ['POST', 'PUT', 'PATCH']
method_all = ['GET','POST','PUT','PATCH','DELETE']
method_all = ['GET','POST','PUT','PATCH','DELETE', 'HEAD', 'OPTIONS']
header_server = 'Server: VWeb\r\n'
header_connection_close = 'Connection: close\r\n'
headers_close = '${header_server}${header_connection_close}\r\n'
@@ -340,7 +340,7 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
println('route matching...')
//t := time.ticks()
//mut action := ''
mut route_words := []string{}
mut route_words_a := [][]string{}
mut url_words := vals[1][1..].split('/').filter(it != '')
@@ -360,10 +360,11 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
}
}
mut vars := []string{cap: route_words.len}
mut vars := []string{cap: route_words_a.len}
mut action := ''
$for method in T {
if attrs == '' {
route_words_a = [][]string{}
if attrs.len == 0 {
// No routing for this method. If it matches, call it and finish matching
// since such methods have a priority.
// For example URL `/register` matches route `/:user`, but `fn register()`
@@ -374,48 +375,80 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
return
}
} else {
route_words = attrs[1..].split('/')
if url_words.len == route_words.len || (url_words.len >= route_words.len - 1 && route_words.last().ends_with('...')) {
// match `/:user/:repo/tree` to `/vlang/v/tree`
mut matching := false
mut unknown := false
mut variables := []string{cap: route_words.len}
for i in 0..route_words.len {
if url_words.len == i {
variables << ''
matching = true
unknown = true
break
}
if url_words[i] == route_words[i] {
// no parameter
matching = true
continue
} else if route_words[i].starts_with(':') {
// is parameter
if i < route_words.len && !route_words[i].ends_with('...') {
// normal parameter
variables << url_words[i]
} else {
// array parameter only in the end
variables << url_words[i..].join('/')
}
matching = true
unknown = true
continue
} else {
matching = false
break
}
// Get methods
// Get is default
if 'post' in attrs {
if req.method == 'POST' {
route_words_a = attrs.filter(it.to_lower() != 'post').map(it[1..].split('/'))
}
if matching && !unknown {
// absolute router words like `/test/site`
app.$method(vars)
return
} else if matching && unknown {
// router words with paramter like `/:test/site`
action = method
vars = variables
} else if 'put' in attrs {
if req.method == 'PUT' {
route_words_a = attrs.filter(it.to_lower() != 'put').map(it[1..].split('/'))
}
} else if 'patch' in attrs {
if req.method == 'PATCH' {
route_words_a = attrs.filter(it.to_lower() != 'patch').map(it[1..].split('/'))
}
} else if 'delete' in attrs {
if req.method == 'DELETE' {
route_words_a = attrs.filter(it.to_lower() != 'delete').map(it[1..].split('/'))
}
} else if 'head' in attrs {
if req.method == 'HEAD' {
route_words_a = attrs.filter(it.to_lower() != 'head').map(it[1..].split('/'))
}
} else if 'options' in attrs {
if req.method == 'OPTIONS' {
route_words_a = attrs.filter(it.to_lower() != 'options').map(it[1..].split('/'))
}
} else {
route_words_a = attrs.filter(it.to_lower() != 'get').map(it[1..].split('/'))
}
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('...')) {
// 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 {
if url_words.len == i {
variables << ''
matching = true
unknown = true
break
}
if url_words[i] == route_words[i] {
// no parameter
matching = true
continue
} else if route_words[i].starts_with(':') {
// is parameter
if i < route_words.len && !route_words[i].ends_with('...') {
// normal parameter
variables << url_words[i]
} else {
// array parameter only in the end
variables << url_words[i..].join('/')
}
matching = true
unknown = true
continue
} else {
matching = false
break
}
}
if matching && !unknown {
// absolute router words like `/test/site`
app.$method(vars)
return
} else if matching && unknown {
// router words with paramter like `/:test/site`
action = method
vars = variables
}
}
}
}
}
@@ -432,7 +465,7 @@ fn send_action<T>(action string, vars []string, mut app T) {
// TODO remove this function
$for method in T {
// search again for method
if action == method && attrs != '' {
if action == method && attrs.len > 0 {
// call action method
app.$method(vars)
}