Added file server

Added file server for no units URI paths.
Fixed a lot of bugs in parser and mainloop.
Added function Get_MIME_Type

httpd_lib.inc

@@ -83,27 +83,108 @@ http_err_response:
                 db 13, 10
 .size = $ - http_err_response
 
+http_response_err_501:
+                db 'HTTP/1.1 '
+                db '501 ',13, 10
+                db 'Server: simple-httpd/0.0.1', 13, 10
+                db 'Content-length: 91', 13, 10
+                db 'Content-type: text/plain', 13, 10;
+                db 'Connection: close', 13, 10
+                db 13, 10
+                db 'Error parsing your request message. The version is not supported or another error.'
+.size = $ - http_response_err_501
+
+http_response_err_404:
+                db 'HTTP/1.1 '
+                db '404 ',13, 10
+                db 'Server: simple-httpd/0.0.1', 13, 10
+                db 'Content-length: 45', 13, 10
+                db 'Content-type: text/plain', 13, 10;
+                db 'Connection: close', 13, 10
+                db 13, 10
+                db 'The server could not find the requested page.'
+.size = $ - http_response_err_404
+
+http_response_options:
+                db 'HTTP/1.1 '
+                db '204 ',13, 10
+                db 'Server: simple-httpd/0.0.1', 13, 10
+                db 'Allow: OPTIONS, GET, POST', 13, 10
+                db 'Connection: close', 13, 10
+                db 13, 10
+.size = $ - http_response_options
+
+
+
 
 base_response:
-label response at 0
+response: 
                 db 'HTTP/1.0 '
-.code:          db '000 ',13, 10
-                db 'Server: httpd(kolibri os)/0.0.1', 13, 10
+.code = $ - response        
+                db '000 ',13, 10
+                db 'Server: simple-httpd/0.0.1', 13, 10 ; httpd(kolibri os)/0.0.1, 13, 10
                 db 'Cache-Control: no-cache', 13, 10
                 db 'Content-Encoding: '
-.content_encod: db 'identity', 13, 10
-                db 'Date: '
-.date:          db 'Sun, 30 Oct 2022 09:29:13 GMT',13, 10
+.content_encod = $ - response 
+                db 'identity', 13, 10
+;                db 'Date: '
+;.date:          db 'Sun, 30 Oct 2022 09:29:13 GMT',13, 10
                 db 'Content-length: '
-.content_len:   db '                      ', 13, 10
+;.content_len:   db '                      ', 13, 10
+.content_len = $ - response   
+                db '0000000000000000000000', 13, 10
                 db 'Content-type: '
-.content_type:  db '                                                                ', 13, 10;
+.content_type = $ - response  
+                db '                                                                ', 13, 10;
                   ;'text/html; charset=utf-8'
-.end_headers:         ;нужно, когда базового заголовка не хватает
-.connection     db 'Connection: close', 13, 10
+;.end_headers:         ;нужно, когда базового заголовка не хватает
+.connection = $ - response    
+                db 'Connection: close', 13, 10
                 db 13, 10
-.body:          ; с этого оффсета уже писать данные
+.body = $ - response          ; с этого оффсета уже писать данные
 
 ; min HTTP request size
 ; "GET / HTTP/1.1" - 18 byte
 min_http_size   = 18
+
+
+MIME_TYPES:
+.html:          db 'text/html',0
+.css:           db 'text/css',0
+.js:            db 'text/javascript',0
+.txt:           db 'text/plain',0
+.json:          db 'application/json',0
+.pdf:           db 'application/pdf',0
+
+.png:           db 'image/png',0
+.mp3:           db 'audio/mpeg',0
+.mp4:           db 'video/mp4',0
+.other:         db 'application/octet-stream',0 ; for unknow file - all file :)
+
+MIME_FILE_FORMAT:
+.html:          db 5,'.html',0 
+.css:           db 4,'.css',0
+.js:            db 3,'.js',0
+.txt:           db 4,'.txt',0
+.pdf:           db 4,'.pdf',0
+.json:          db 5,'.json',0
+
+.png:           db 4,'.png',0
+.mp3:           db 4,'.mp3',0
+.mp4:           db 4,'.mp4',0
+
+STD_MIME_TYPE_ARR:
+        dd      MIME_FILE_FORMAT.html, MIME_TYPES.html,\
+                MIME_FILE_FORMAT.css, MIME_TYPES.css,\
+                MIME_FILE_FORMAT.js, MIME_TYPES.js,\
+                MIME_FILE_FORMAT.txt, MIME_TYPES.txt,\
+                MIME_FILE_FORMAT.pdf, MIME_TYPES.pdf,\
+                MIME_FILE_FORMAT.json, MIME_TYPES.json,\
+                MIME_FILE_FORMAT.png, MIME_TYPES.png,\
+                MIME_FILE_FORMAT.mp3, MIME_TYPES.mp3,\
+                MIME_FILE_FORMAT.mp4, MIME_TYPES.mp4,\
+                0, MIME_TYPES.other
+
+_DIV_10_:       dd 10
+_DIV_100_:      dd 100
+_DIV_1000_:     dd 1000