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| 1 : | anton | 1.1 | \ Webform and CGI handling |
| 2 : | \ | ||
| 3 : | \ Copyright (C) 2011 Free Software Foundation, Inc. | ||
| 4 : | |||
| 5 : | \ This file is part of Gforth. | ||
| 6 : | |||
| 7 : | \ Gforth is free software; you can redistribute it and/or | ||
| 8 : | \ modify it under the terms of the GNU General Public License | ||
| 9 : | \ as published by the Free Software Foundation, either version 3 | ||
| 10 : | \ of the License, or (at your option) any later version. | ||
| 11 : | |||
| 12 : | \ This program is distributed in the hope that it will be useful, | ||
| 13 : | \ but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 : | \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 15 : | \ GNU General Public License for more details. | ||
| 16 : | |||
| 17 : | \ You should have received a copy of the GNU General Public License | ||
| 18 : | \ along with this program. If not, see http://www.gnu.org/licenses/. | ||
| 19 : | |||
| 20 : | wordlist constant form-fields | ||
| 21 : | |||
| 22 : | : cut-string ( c-addr1 u1 c -- c-addr2 u2 c-addr3 u3 ) | ||
| 23 : | \ cut c-addr1 u1 using separator c; c-addr3 u3 is the part before | ||
| 24 : | \ the first separator, c-addr2 u2 the rest. | ||
| 25 : | >r 2dup r> scan over >r dup if | ||
| 26 : | 1 /string \ skip c | ||
| 27 : | endif | ||
| 28 : | 2swap drop r> over - ; | ||
| 29 : | |||
| 30 : | : hex>u ( c-addr u -- u2 f ) | ||
| 31 : | \ convert hex string c-addr u into u2; f is true if the conversion | ||
| 32 : | \ worked, otherwise it is false and u2 is anything | ||
| 33 : | 0. 2swap ['] >number $10 base-execute nip nip 0= ; | ||
| 34 : | |||
| 35 : | |||
| 36 : | \ basic CGI handling | ||
| 37 : | |||
| 38 : | : type-cgi ( c-addr u -- ) | ||
| 39 : | begin | ||
| 40 : | dup while | ||
| 41 : | over c@ case | ||
| 42 : | '% of | ||
| 43 : | dup 3 >= if | ||
| 44 : | over 1+ 2 hex>u if | ||
| 45 : | emit 3 | ||
| 46 : | else | ||
| 47 : | drop 1 | ||
| 48 : | then | ||
| 49 : | else | ||
| 50 : | 1 | ||
| 51 : | then | ||
| 52 : | endof | ||
| 53 : | '+ of | ||
| 54 : | space 1 endof | ||
| 55 : | dup emit 1 swap | ||
| 56 : | endcase | ||
| 57 : | /string | ||
| 58 : | repeat | ||
| 59 : | 2drop ; | ||
| 60 : | |||
| 61 : | \ s" q=bla%26foo%25%23&test=field2%3Dxy&review=line1%0D%0Aline2%0D%0A" type-cgi | ||
| 62 : | |||
| 63 : | : cgi-field ( c-addr u -- ) | ||
| 64 : | \ process a cgi field | ||
| 65 : | get-current >r form-fields set-current | ||
| 66 : | '= cut-string 2>r ['] type-cgi >string-execute 2r> nextname 2constant | ||
| 67 : | r> set-current ; | ||
| 68 : | |||
| 69 : | : cgi-input ( c-addr u -- ) | ||
| 70 : | \ process gci input: split into fields, and make the fields words | ||
| 71 : | begin | ||
| 72 : | '& cut-string dup while | ||
| 73 : | cgi-field | ||
| 74 : | repeat | ||
| 75 : | 2drop 2drop ; |
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