Initial project import

tools/v/vlib/picohttpparser/response.c.v

@@ -0,0 +1,122 @@
+module picohttpparser
+
+$if !windows {
+	#include <sys/socket.h>
+}
+
+pub struct Response {
+pub:
+	fd        int
+	date      &u8 = unsafe { nil }
+	buf_start &u8 = unsafe { nil }
+pub mut:
+	buf &u8 = unsafe { nil }
+}
+
+@[inline]
+pub fn (mut r Response) write_string(s string) {
+	unsafe {
+		vmemcpy(r.buf, s.str, s.len)
+		r.buf += s.len
+	}
+}
+
+@[inline]
+pub fn (mut r Response) http_ok() &Response {
+	r.write_string('HTTP/1.1 200 OK\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) header(k string, v string) &Response {
+	r.write_string(k)
+	r.write_string(': ')
+	r.write_string(v)
+	r.write_string('\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) header_date() &Response {
+	r.write_string('Date: ')
+	unsafe {
+		vmemcpy(r.buf, r.date, 29)
+		r.buf += 29
+	}
+	r.write_string('\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) header_server() &Response {
+	r.write_string('Server: V\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) content_type(s string) &Response {
+	r.write_string('Content-Type: ')
+	r.write_string(s)
+	r.write_string('\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) html() &Response {
+	r.write_string('Content-Type: text/html\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) plain() &Response {
+	r.write_string('Content-Type: text/plain\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) json() &Response {
+	r.write_string('Content-Type: application/json\r\n')
+	return unsafe { r }
+}
+
+@[inline]
+pub fn (mut r Response) body(body string) {
+	r.write_string('Content-Length: ')
+	unsafe {
+		r.buf += u64toa(r.buf, u64(body.len)) or { panic(err) }
+	}
+	r.write_string('\r\n\r\n')
+	r.write_string(body)
+}
+
+@[inline]
+pub fn (mut r Response) http_404() {
+	r.write_string('HTTP/1.1 404 Not Found\r\nContent-Length: 0\r\n\r\n')
+}
+
+@[inline]
+pub fn (mut r Response) http_405() {
+	r.write_string('HTTP/1.1 405 Method Not Allowed\r\nContent-Length: 0\r\n\r\n')
+}
+
+@[inline]
+pub fn (mut r Response) http_500() {
+	r.write_string('HTTP/1.1 500 Internal Server Error\r\nContent-Length: 0\r\n\r\n')
+}
+
+@[inline]
+pub fn (mut r Response) raw(response string) {
+	r.write_string(response)
+}
+
+fn C.send(sockfd i32, buf voidptr, len usize, flags i32) i32
+
+@[inline]
+pub fn (mut r Response) end() int {
+	n := int(i64(r.buf) - i64(r.buf_start))
+	// use send instead of write for windows compatibility
+	if C.send(r.fd, r.buf_start, n, 0) != n {
+		return -1
+	}
+	return n
+}