1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393
|
{
*****************************************************************************
This file is part of the Printer4Lazarus package
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
Author: Olivier GUILBAUD
Abstract:
This code provide an interface with Common UNIX Printing System (CUPS).
it is based on cups.h version 1.47
This code is tested with the 1.1.19 of CUPS
link:
http://www.cups.org
http://localhost:631/spm.html (for documentation)
See : /usr/share/doc/cups/licence.txt
Required
CUPS 1.1.19 or more
libCUPS
History
sept 14 2003 - Create
nov 04 2003 - First release
mars 08 2005 - Dynamique link lib by Jesus Reyes (big thanks)
- Some modifications for work with Mdk 10.1
nov 26 2017 - Moved to directory packages/libcups/ under FPC 3.1.1 sources.
Can be removed from Lazarus sources when FPC 3.2.0 is the minimum requirement.
------------------------------------------------------------------------------}
unit cupsdyn;
{$mode objfpc}{$H+}
{.$define UseLibC}
interface
uses
Classes, SysUtils, dynlibs,
{$ifdef UseLibC}
{$IFDEF darwin}
miniCupsLibc
{$ELSE}
Libc
{$ENDIF}
{$else}
baseunix, unix, sockets
{$endif}
;
{$PACKRECORDS C}
{.$LINKLIB ssl}
{.$LINKLIB crypto}
{.$LINKLIB nsl}
{$ifndef UseLibC}
type
sockaddr_in = TSockAddr;
pfd_set = PFDSet;
PFILE = pointer;
{$endif}
//
//
// CUPS_language types & consts
//
//
type
//Message Indices
cups_msg_t=(
CUPS_MSG_OK,
CUPS_MSG_CANCEL,
CUPS_MSG_HELP,
CUPS_MSG_QUIT,
CUPS_MSG_CLOSE,
CUPS_MSG_YES,
CUPS_MSG_NO,
CUPS_MSG_ON,
CUPS_MSG_OFF,
CUPS_MSG_SAVE,
CUPS_MSG_DISCARD,
CUPS_MSG_DEFAULT,
CUPS_MSG_OPTIONS,
CUPS_MSG_MORE_INFO,
CUPS_MSG_BLACK,
CUPS_MSG_COLOR,
CUPS_MSG_CYAN,
CUPS_MSG_MAGENTA,
CUPS_MSG_YELLOW,
CUPS_MSG_COPYRIGHT,
CUPS_MSG_GENERAL,
CUPS_MSG_PRINTER,
CUPS_MSG_IMAGE,
CUPS_MSG_HPGL2,
CUPS_MSG_EXTRA,
CUPS_MSG_DOCUMENT,
CUPS_MSG_OTHER,
CUPS_MSG_PRINT_PAGES,
CUPS_MSG_ENTIRE_DOCUMENT,
CUPS_MSG_PAGE_RANGE,
CUPS_MSG_REVERSE_ORDER,
CUPS_MSG_PAGE_FORMAT,
CUPS_MSG_1_UP,
CUPS_MSG_2_UP,
CUPS_MSG_4_UP,
CUPS_MSG_IMAGE_SCALING,
CUPS_MSG_USE_NATURAL_IMAGE_SIZE,
CUPS_MSG_ZOOM_BY_PERCENT,
CUPS_MSG_ZOOM_BY_PPI,
CUPS_MSG_MIRROR_IMAGE,
CUPS_MSG_COLOR_SATURATION,
CUPS_MSG_COLOR_HUE,
CUPS_MSG_FIT_TO_PAGE,
CUPS_MSG_SHADING,
CUPS_MSG_DEFAULT_PEN_WIDTH,
CUPS_MSG_GAMMA_CORRECTION,
CUPS_MSG_BRIGHTNESS,
CUPS_MSG_ADD,
CUPS_MSG_DELETE,
CUPS_MSG_MODIFY,
CUPS_MSG_PRINTER_URI,
CUPS_MSG_PRINTER_NAME,
CUPS_MSG_PRINTER_LOCATION,
CUPS_MSG_PRINTER_INFO,
CUPS_MSG_PRINTER_MAKE_AND_MODEL,
CUPS_MSG_DEVICE_URI,
CUPS_MSG_FORMATTING_PAGE,
CUPS_MSG_PRINTING_PAGE,
CUPS_MSG_INITIALIZING_PRINTER,
CUPS_MSG_PRINTER_STATE,
CUPS_MSG_ACCEPTING_JOBS,
CUPS_MSG_NOT_ACCEPTING_JOBS,
CUPS_MSG_PRINT_JOBS,
CUPS_MSG_CLASS,
CUPS_MSG_LOCAL,
CUPS_MSG_REMOTE,
CUPS_MSG_DUPLEXING,
CUPS_MSG_STAPLING,
CUPS_MSG_FAST_COPIES,
CUPS_MSG_COLLATED_COPIES,
CUPS_MSG_PUNCHING,
CUPS_MSG_COVERING,
CUPS_MSG_BINDING,
CUPS_MSG_SORTING,
CUPS_MSG_SMALL,
CUPS_MSG_MEDIUM,
CUPS_MSG_LARGE,
CUPS_MSG_VARIABLE,
CUPS_MSG_IDLE,
CUPS_MSG_PROCESSING,
CUPS_MSG_STOPPED,
CUPS_MSG_ALL,
CUPS_MSG_ODD,
CUPS_MSG_EVEN_PAGES,
CUPS_MSG_DARKER_LIGHTER,
CUPS_MSG_MEDIA_SIZE,
CUPS_MSG_MEDIA_TYPE,
CUPS_MSG_MEDIA_SOURCE,
CUPS_MSG_ORIENTATION,
CUPS_MSG_PORTRAIT,
CUPS_MSG_LANDSCAPE,
CUPS_MSG_JOB_STATE,
CUPS_MSG_JOB_NAME,
CUPS_MSG_USER_NAME,
CUPS_MSG_PRIORITY,
CUPS_MSG_COPIES,
CUPS_MSG_FILE_SIZE,
CUPS_MSG_PENDING,
CUPS_MSG_OUTPUT_MODE,
CUPS_MSG_RESOLUTION,
CUPS_MSG_TEXT,
CUPS_MSG_PRETTYPRINT,
CUPS_MSG_MARGINS,
CUPS_MSG_LEFT,
CUPS_MSG_RIGHT,
CUPS_MSG_BOTTOM,
CUPS_MSG_TOP,
CUPS_MSG_FILENAME,
CUPS_MSG_PRINT,
CUPS_MSG_OPTIONS_INSTALLED,
CUPS_MSG_AUTO,
CUPS_MSG_HTTP_BASE:= 200,
CUPS_MSG_HTTP_END := 505,
CUPS_MSG_MAX
);
//Language Encodings
cups_encoding_t=(
CUPS_US_ASCII,
CUPS_ISO8859_1,
CUPS_ISO8859_2,
CUPS_ISO8859_3,
CUPS_ISO8859_4,
CUPS_ISO8859_5,
CUPS_ISO8859_6,
CUPS_ISO8859_7,
CUPS_ISO8859_8,
CUPS_ISO8859_9,
CUPS_ISO8859_10,
CUPS_UTF8,
CUPS_ISO8859_13,
CUPS_ISO8859_14,
CUPS_ISO8859_15,
CUPS_WINDOWS_874,
CUPS_WINDOWS_1250,
CUPS_WINDOWS_1251,
CUPS_WINDOWS_1252,
CUPS_WINDOWS_1253,
CUPS_WINDOWS_1254,
CUPS_WINDOWS_1255,
CUPS_WINDOWS_1256,
CUPS_WINDOWS_1257,
CUPS_WINDOWS_1258,
CUPS_KOI8_R,
CUPS_KOI8_U
);
Pcups_lang_str=^cups_lang_str;
cups_lang_str = record
next : Pcups_lang_str; //Next language in cache
used : longint; //Number of times this entry has been used
encoding : cups_encoding_t; //Text encoding
language : array[0..15] of char; //Language/locale name
messages : array[0..Ord(CUPS_MSG_MAX)-1] of Pchar; //Message array
end;
cups_lang_t = cups_lang_str;
Pcups_lang_t=^cups_lang_t;
//
//
// CUPS_HTTP types & consts
//
//
const
HTTP_MAX_URI = 1024; //Max length of URI string
HTTP_MAX_HOST = 256; //Max length of hostname string
HTTP_MAX_BUFFER = 2048; //Max length of data buffer
HTTP_MAX_VALUE = 256; //Max header field value length
type
//----------------------------------------------------------------------------
// md5.h
//----------------------------------------------------------------------------
Pmd5_byte_t=^md5_byte_t;
md5_byte_t = byte; //8-bit byte
md5_word_t=dword; //32-bit word
//Define the state of the MD5 Algorithm.
md5_state_s = record
count : array[0..1] of md5_word_t; //message length in bits, lsw first
abcd : array[0..3] of md5_word_t; //digest buffer
buf : array[0..63] of md5_byte_t;//accumulate block
end;
md5_state_t = md5_state_s;
{-----------------------------------------------------------------------------}
//States are server-oriented
http_state_t=(
HTTP_WAITING, //Waiting for command
HTTP_OPTIONS, //OPTIONS command, waiting for blank line
HTTP_GET, //GET command, waiting for blank line
HTTP_GET_SEND, //GET command, sending data
HTTP_HEAD, //HEAD command, waiting for blank line
HTTP_POST, //POST command, waiting for blank line
HTTP_POST_RECV, //POST command, receiving data
HTTP_POST_SEND, //POST command, sending data
HTTP_PUT, //PUT command, waiting for blank line
HTTP_PUT_RECV, //PUT command, receiving data
HTTP_DELETE, //DELETE command, waiting for blank line
HTTP_TRACE, //TRACE command, waiting for blank line
HTTP_CLOSE, //CLOSE command, waiting for blank line
HTTP_STATUS //Command complete, sending status
);
//HTTP version numbers...
http_version_t=(
HTTP_0_9 := 9, //HTTP/0.9
HTTP_1_0 := 100, //HTTP/1.0
HTTP_1_1 := 101 //HTTP/1.1
);
//HTTP keep-alive values...
http_keepalive_t=(
HTTP_KEEPALIVE_OFF := 0,
HTTP_KEEPALIVE_ON
);
//HTTP transfer encoding values...
http_encoding_t=(
HTTP_ENCODE_LENGTH, //Data is sent with Content-Length
HTTP_ENCODE_CHUNKED //Data is chunked
);
//HTTP encryption values...
http_encryption_t=(
HTTP_ENCRYPT_IF_REQUESTED, //Encrypt if requested (TLS upgrade)
HTTP_ENCRYPT_NEVER, //Never encrypt
HTTP_ENCRYPT_REQUIRED, //Encryption is required (TLS upgrade)
HTTP_ENCRYPT_ALWAYS //Always encrypt (SSL)
);
//HTTP authentication types...
http_auth_t=(
HTTP_AUTH_NONE, //No authentication in use
HTTP_AUTH_BASIC, //Basic authentication in use
HTTP_AUTH_MD5, //Digest authentication in use
HTTP_AUTH_MD5_SESS, //MD5-session authentication in use
HTTP_AUTH_MD5_INT, //Digest authentication in use for body
HTTP_AUTH_MD5_SESS_INT //MD5-session authentication in use for body
);
//HTTP status codes...
http_status_t=(
HTTP_ERROR := -1, //An error response from httpXxxx() */
HTTP_CONTINUE := 100, //Everything OK, keep going... */
HTTP_SWITCHING_PROTOCOLS, //HTTP upgrade to TLS/SSL */
HTTP_OK := 200, //OPTIONS/GET/HEAD/POST/TRACE command was successful */
HTTP_CREATED, //PUT command was successful */
HTTP_ACCEPTED, //DELETE command was successful */
HTTP_NOT_AUTHORITATIVE, //Information isn't authoritative */
HTTP_NO_CONTENT, //Successful command, no new data */
HTTP_RESET_CONTENT, //Content was reset/recreated */
HTTP_PARTIAL_CONTENT, //Only a partial file was recieved/sent */
HTTP_MULTIPLE_CHOICES:=300, //Multiple files match request */
HTTP_MOVED_PERMANENTLY, //Document has moved permanently */
HTTP_MOVED_TEMPORARILY, //Document has moved temporarily */
HTTP_SEE_OTHER, //See this other link... */
HTTP_NOT_MODIFIED, //File not modified */
HTTP_USE_PROXY, //Must use a proxy to access this URI */
HTTP_BAD_REQUEST := 400, //Bad request */
HTTP_UNAUTHORIZED, //Unauthorized to access host */
HTTP_PAYMENT_REQUIRED, //Payment required */
HTTP_FORBIDDEN, //Forbidden to access this URI */
HTTP_NOT_FOUND, //URI was not found */
HTTP_METHOD_NOT_ALLOWED, //Method is not allowed */
HTTP_NOT_ACCEPTABLE, //Not Acceptable */
HTTP_PROXY_AUTHENTICATION, //Proxy Authentication is Required */
HTTP_REQUEST_TIMEOUT, //Request timed out */
HTTP_CONFLICT, //Request is self-conflicting */
HTTP_GONE, //Server has gone away */
HTTP_LENGTH_REQUIRED, //A content length or encoding is required */
HTTP_PRECONDITION, //Precondition failed */
HTTP_REQUEST_TOO_LARGE, //Request entity too large */
HTTP_URI_TOO_LONG, //URI too long */
HTTP_UNSUPPORTED_MEDIATYPE, //The requested media type is unsupported */
HTTP_UPGRADE_REQUIRED:= 426,//Upgrade to SSL/TLS required */
HTTP_SERVER_ERROR := 500, //Internal server error */
HTTP_NOT_IMPLEMENTED, //Feature not implemented */
HTTP_BAD_GATEWAY, //Bad gateway */
HTTP_SERVICE_UNAVAILABLE, //Service is unavailable */
HTTP_GATEWAY_TIMEOUT, //Gateway connection timed out */
HTTP_NOT_SUPPORTED //HTTP version not supported */
);
//HTTP field names...
http_field_t=(
HTTP_FIELD_UNKNOWN := -1,
HTTP_FIELD_ACCEPT_LANGUAGE,
HTTP_FIELD_ACCEPT_RANGES,
HTTP_FIELD_AUTHORIZATION,
HTTP_FIELD_CONNECTION,
HTTP_FIELD_CONTENT_ENCODING,
HTTP_FIELD_CONTENT_LANGUAGE,
HTTP_FIELD_CONTENT_LENGTH,
HTTP_FIELD_CONTENT_LOCATION,
HTTP_FIELD_CONTENT_MD5,
HTTP_FIELD_CONTENT_RANGE,
HTTP_FIELD_CONTENT_TYPE,
HTTP_FIELD_CONTENT_VERSION,
HTTP_FIELD_DATE,
HTTP_FIELD_HOST,
HTTP_FIELD_IF_MODIFIED_SINCE,
HTTP_FIELD_IF_UNMODIFIED_SINCE,
HTTP_FIELD_KEEP_ALIVE,
HTTP_FIELD_LAST_MODIFIED,
HTTP_FIELD_LINK,
HTTP_FIELD_LOCATION,
HTTP_FIELD_RANGE,
HTTP_FIELD_REFERER,
HTTP_FIELD_RETRY_AFTER,
HTTP_FIELD_TRANSFER_ENCODING,
HTTP_FIELD_UPGRADE,
HTTP_FIELD_USER_AGENT,
HTTP_FIELD_WWW_AUTHENTICATE,
HTTP_FIELD_MAX
);
Phttp_t=^http_t;
http_t=record
fd : longint; //File descriptor for this socket
blocking : longint; //To block or not to block
error : longint; //Last error on read
activity : time_t; //Time since last read/write
state : http_state_t; //State of client
status : http_status_t; //Status of last request
version : http_version_t;//Protocol version
keep_alive : http_keepalive_t; //Keep-alive supported?
hostaddr : sockaddr_in; //Address of connected host
hostname : array[0..(HTTP_MAX_HOST)-1] of char; //Name of connected host
fields : array[0..Ord(HTTP_FIELD_MAX)-1] of array[0..(HTTP_MAX_VALUE)-1] of char; //Field values
data : ^char; //Pointer to data buffer
data_encoding : http_encoding_t; //Chunked or not
data_remaining : longint; //Number of bytes left
used : longint; //Number of bytes used in buffer
buffer : array[0..(HTTP_MAX_BUFFER)-1] of char; //Buffer for messages
auth_type : longint; //Authentication in use
md5_state : md5_state_t; //MD5 state
nonce : array[0..(HTTP_MAX_VALUE)-1] of char; //Nonce value
nonce_count : longint; //Nonce count
tls : pointer; //TLS state information
encryption : http_encryption_t; //Encryption requirements
input_set : Pfd_set; //select() set for httpWait()
end;
TArrayChar32=array[0..32] of char;
//
//
// cups_ppd types and consts
//
//
const
//PPD size limits (defined in Adobe spec
PPD_MAX_NAME = 41; //Maximum size of name + 1 for nul
PPD_MAX_TEXT = 81; //Maximum size of text + 1 for nul
PPD_MAX_LINE = 256; //Maximum size of line + 1 for nul
PPD_VERSION = '4.3'; //Kept in sync with Adobe version number
Type
//UI types ...
ppd_ui_t=(
PPD_UI_BOOLEAN, //True or False option
PPD_UI_PICKONE, //Pick one from a list
PPD_UI_PICKMANY //Pick zero or more from a list
);
//Order dependency sections
ppd_section_t=(
PPD_ORDER_ANY, //Option code can be anywhere in the file
PPD_ORDER_DOCUMENT, //... must be in the DocumentSetup section
PPD_ORDER_EXIT, //... must be sent prior to the document
PPD_ORDER_JCL, //... must be sent as a JCL command
PPD_ORDER_PAGE, //... must be in the PageSetup section
PPD_ORDER_PROLOG //... must be in the Prolog section
);
//Colorspaces
ppd_cs_t=(
PPD_CS_CMYK := -4, //CMYK colorspace
PPD_CS_CMY, //CMY colorspace
PPD_CS_GRAY := 1, //Grayscale colorspace
PPD_CS_RGB := 3, //RGB colorspace
PPD_CS_RGBK, //RGBK (K = gray) colorspace
PPD_CS_N //DeviceN colorspace
);
//Status Codes
ppd_status_t=(
PPD_OK := 0, //OK
PPD_FILE_OPEN_ERROR, //Unable to open PPD file
PPD_NULL_FILE, //NULL PPD file pointer
PPD_ALLOC_ERROR, //Memory allocation error
PPD_MISSING_PPDADOBE4, //Missing PPD-Adobe-4.x header
PPD_MISSING_VALUE, //Missing value string
PPD_INTERNAL_ERROR, //Internal error
PPD_BAD_OPEN_GROUP, //Bad OpenGroup
PPD_NESTED_OPEN_GROUP, //openGroup without a CloseGroup first
PPD_BAD_OPEN_UI, //Bad OpenUI/JCLOpenUI
PPD_NESTED_OPEN_UI, //OpenUI/JCLOpenUI without a CloseUI/JCLCloseUI first
PPD_BAD_ORDER_DEPENDENCY, //Bad OrderDependency
PPD_BAD_UI_CONSTRAINTS, //Bad UIConstraints
PPD_MISSING_ASTERISK, //Missing asterisk in column 0
PPD_LINE_TOO_LONG, //Line longer than 255 chars
PPD_ILLEGAL_CHARACTER, //Illegal control character
PPD_ILLEGAL_MAIN_KEYWORD, //Illegal main keyword string
PPD_ILLEGAL_OPTION_KEYWORD, //Illegal option keyword string
PPD_ILLEGAL_TRANSLATION //Illegal translation string
);
//PPD Attribute Structure
Pppd_attr_t =^ppd_attr_t;
PPppd_attr_t =^Pppd_attr_t;
ppd_attr_t = record
name : array[0..(PPD_MAX_NAME)-1] of char; //Name of attribute (cupsXYZ)
spec : array[0..(PPD_MAX_NAME + PPD_MAX_TEXT)-1] of char; //Specifier string, if any
value: Pchar; //Value string
end;
//Option choices
Pppd_choice_t=^ppd_choice_t;
PPppd_choice_t=^Pppd_choice_t;
PPPppd_choice_t=^PPppd_choice_t;
ppd_choice_t = record
marked : Char; //0 if not selected, 1 otherwise
choice : Array[0..(PPD_MAX_NAME)-1] of char;//Computer-readable option name
text : Array[0..(PPD_MAX_TEXT)-1] of char;//Human-readable option name
code : Pchar; //Code to send for this option
option : Pointer; //Pointer to parent option structure
end;
//Options
Pppd_option_t=^ppd_option_t;
ppd_option_t = record
conflicted : char; //0 if no conflicts exist, 1 otherwise
keyword : array[0..(PPD_MAX_NAME)-1] of char;//Option keyword name ("PageSize", etc.)
defchoice : array[0..(PPD_MAX_NAME)-1] of char;//Default option choice
text : array[0..(PPD_MAX_TEXT)-1] of char;//Human-readable text
ui : ppd_ui_t; //Type of UI option
section : ppd_section_t; //Section for command
order : integer; //Order number
num_choices: LongInt; //Number of option choices
choices : Pppd_choice_t; //Option choices
end;
//Groups
{Group text strings are limited to 39 chars + nul in order to
preserve binary compatibility and allow applications to get
the group's keyword name. }
Pppd_group_str=^ppd_group_str;
ppd_group_str = record
text : array[0..(PPD_MAX_TEXT - PPD_MAX_NAME)-1] of char; //Human-readable group name
name : array[0..(PPD_MAX_NAME)-1] of char; //Group name
num_options : longint; //Number of options
options : Pppd_option_t; //Options
num_subgroups : longint; //Number of sub-groups
subgroups : Pppd_group_str; //Sub-groups (max depth = 1)
end;
ppd_group_t = ppd_group_str;
Pppd_group_t= ^ppd_group_t;
//Constraints
Pppd_const_t=^ppd_const_t;
ppd_const_t = record
option1 : array[0..(PPD_MAX_NAME)-1] of char; //First keyword
choice1 : array[0..(PPD_MAX_NAME)-1] of char; //First option/choice (blank for all)
option2 : array[0..(PPD_MAX_NAME)-1] of char; //Second keyword
choice2 : array[0..(PPD_MAX_NAME)-1] of char; //Second option/choice (blank for all)
end;
//Page Sizes
Pppd_size_t=^ppd_size_t;
ppd_size_t = record
marked : LongInt; //Page size selected?
name : array[0..(PPD_MAX_NAME)-1] of char; //Media size option
width : single; //Width of media in points
length : single; //Length of media in points
left : single; //Left printable margin in points
bottom : single; //Bottom printable margin in points
right : single; //Right printable margin in points
top : single; //Top printable margin in points
end;
//Emulators
Pppd_emul_t=^ppd_emul_t;
ppd_emul_t = record
name : array[0..(PPD_MAX_NAME)-1] of char; //Emulator name
start: Pchar; //Code to switch to this emulation
stop : Pchar; //Code to stop this emulation
end;
//sRGB Color Profiles
Pppd_profile_t=^ppd_profile_t;
ppd_profile_t = record
resolution : array[0..(PPD_MAX_NAME)-1] of char; //Resolution or "-"
media_type : array[0..(PPD_MAX_NAME)-1] of char; //Media type of "-"
density : single; //Ink density to use
gamma : single; //Gamma correction to use
matrix : array[0..2] of array[0..2] of single; //Transform matrix
end;
//Files
Pppd_file_t=^ppd_file_t;
ppd_file_t = record
language_level : longint; //Language level of device
color_device : longint; //1=color device, 0=grayscale
variable_sizes : longint; //1 = supports variable sizes, 0 = doesn't
accurate_screens : longint; //1 = supports accurate screens, 0 = not
contone_only : longint; //1 = continuous tone only, 0 = not
landscape : longint; //-90 or 90
model_number : longint; //Device-specific model number
manual_copies : longint; //1 = Copies done manually, 0 = hardware
throughput : longint; //Pages per minute
colorspace : ppd_cs_t; //Default colorspace
patches : Pchar; //Patch commands to be sent to printer
num_emulations : longint; //Number of emulations supported
emulations : Pppd_emul_t; //Emulations and the code to invoke them
jcl_begin : Pchar; //Start JCL commands
jcl_ps : Pchar; //Enter PostScript interpreter
jcl_end : Pchar; //End JCL commands
lang_encoding : Pchar; //Language encoding
lang_version : Pchar; //Language version (English, Spanish, etc.)
modelname : Pchar; //Model name (general)
ttrasterizer : Pchar; //Truetype rasterizer
manufacturer : Pchar; //Manufacturer name
product : Pchar; //Product name (from PS RIP/interpreter)
nickname : Pchar; //Nickname (specific)
shortnickname : Pchar; //Short version of nickname
num_groups : longint; //Number of UI groups
groups : Pppd_group_t; //UI groups
num_sizes : longint; //Number of page sizes
sizes : Pppd_size_t; //Page sizes
custom_min : array[0..1] of single; //Minimum variable page size
custom_max : array[0..1] of single; //Maximum variable page size
custom_margins : array[0..3] of single; //Margins around page
num_consts : longint; //Number of UI/Non-UI constraints
consts : Pppd_const_t; //UI/Non-UI constraints
num_fonts : longint; //Number of pre-loaded fonts
fonts : PPchar; //Pre-loaded fonts
num_profiles : longint; //Number of sRGB color profiles
profiles : Pppd_profile_t; //sRGB color profiles
num_filters : longint; //Number of filters
filters : PPchar; //Filter strings...
flip_duplex : longint; //1 = Flip page for back sides (New in CUPS 1.1)
protocols : Pchar; //Protocols (BCP, TBCP) string (New in CUPS 1.1.19)
pcfilename : Pchar; //PCFileName string
num_attrs : longint; //Number of attributes
cur_attr : longint; //Current attribute
attrs : PPppd_attr_t; //Attributes
end;
//
//
// cups_ipp types and consts
//
//
const
IPP_VERSION = #1#1;
{ IPP registered port number... This is the default value - applications
should use the ippPort() function so that you can customize things in
/etc/services if needed!}
IPP_PORT = 631;
IPP_MAX_NAME = 256; //Common limits...
IPP_MAX_VALUES = 10; //Now just an allocation increment
Type
//Job States....
ipp_jstate_t = (IPP_JOB_PENDING := 3,
IPP_JOB_HELD,
IPP_JOB_PROCESSING,
IPP_JOB_STOPPED,
IPP_JOB_CANCELLED,
IPP_JOB_ABORTED,
IPP_JOB_COMPLETED);
//Qualities...
ipp_quality_t= (IPP_QUALITY_DRAFT := 3,
IPP_QUALITY_NORMAL,
IPP_QUALITY_HIGH);
//Orientation...
ipp_orient_t = (IPP_PORTRAIT := 3, //No rotation
IPP_LANDSCAPE, //90 degrees counter-clockwise
IPP_REVERSE_LANDSCAPE, //90 degrees clockwise
IPP_REVERSE_PORTRAIT); //180 degrees
{Format tags for attribute formats...
Mask for copied attribute values
Bitflag for copied attribute values }
ipp_tag_t = (IPP_TAG_COPY := (-($7fffffff)) - 1,
IPP_TAG_ZERO := $00,
IPP_TAG_OPERATION,
IPP_TAG_JOB,
IPP_TAG_END,
IPP_TAG_PRINTER,
IPP_TAG_UNSUPPORTED_GROUP,
IPP_TAG_SUBSCRIPTION,
IPP_TAG_EVENT_NOTIFICATION,
IPP_TAG_UNSUPPORTED_VALUE := $10,
IPP_TAG_DEFAULT,
IPP_TAG_UNKNOWN,
IPP_TAG_NOVALUE,
IPP_TAG_NOTSETTABLE := $15,
IPP_TAG_DELETEATTR,
IPP_TAG_ADMINDEFINE,
IPP_TAG_INTEGER := $21,
IPP_TAG_BOOLEAN,
IPP_TAG_ENUM,
IPP_TAG_STRING := $30,
IPP_TAG_DATE,
IPP_TAG_RESOLUTION,
IPP_TAG_RANGE,
IPP_TAG_BEGIN_COLLECTION,
IPP_TAG_TEXTLANG,
IPP_TAG_NAMELANG,
IPP_TAG_END_COLLECTION,
IPP_TAG_TEXT := $41,
IPP_TAG_NAME,
IPP_TAG_KEYWORD := $44,
IPP_TAG_URI,
IPP_TAG_URISCHEME,
IPP_TAG_CHARSET,
IPP_TAG_LANGUAGE,
IPP_TAG_MIMETYPE,
IPP_TAG_MEMBERNAME,
IPP_TAG_MASK := $7fffffff
);
//Resolution units...
ipp_res_t = (IPP_RES_PER_INCH := 3,
IPP_RES_PER_CM);
//Finishings...
ipp_finish_t = (IPP_FINISHINGS_NONE := 3,
IPP_FINISHINGS_STAPLE,
IPP_FINISHINGS_PUNCH,
IPP_FINISHINGS_COVER,
IPP_FINISHINGS_BIND,
IPP_FINISHINGS_SADDLE_STITCH,
IPP_FINISHINGS_EDGE_STITCH,
IPP_FINISHINGS_FOLD,
IPP_FINISHINGS_TRIM,
IPP_FINISHINGS_BALE,
IPP_FINISHINGS_BOOKLET_MAKER,
IPP_FINISHINGS_JOB_OFFSET,
IPP_FINISHINGS_STAPLE_TOP_LEFT := 20,
IPP_FINISHINGS_STAPLE_BOTTOM_LEFT,
IPP_FINISHINGS_STAPLE_TOP_RIGHT,
IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT,
IPP_FINISHINGS_EDGE_STITCH_LEFT,
IPP_FINISHINGS_EDGE_STITCH_TOP,
IPP_FINISHINGS_EDGE_STITCH_RIGHT,
IPP_FINISHINGS_EDGE_STITCH_BOTTOM,
IPP_FINISHINGS_STAPLE_DUAL_LEFT,
IPP_FINISHINGS_STAPLE_DUAL_TOP,
IPP_FINISHINGS_STAPLE_DUAL_RIGHT,
IPP_FINISHINGS_STAPLE_DUAL_BOTTOM,
IPP_FINISHINGS_BIND_LEFT := 50,
IPP_FINISHINGS_BIND_TOP,
IPP_FINISHINGS_BIND_RIGHT,
IPP_FINISHINGS_BIND_BOTTOM
);
ipp_status_t = (IPP_OK := $0000,
IPP_OK_SUBST,
IPP_OK_CONFLICT,
IPP_OK_IGNORED_SUBSCRIPTIONS,
IPP_OK_IGNORED_NOTIFICATIONS,
IPP_OK_TOO_MANY_EVENTS,
IPP_OK_BUT_CANCEL_SUBSCRIPTION,
IPP_REDIRECTION_OTHER_SITE := $300,
IPP_BAD_REQUEST := $0400,
IPP_FORBIDDEN,
IPP_NOT_AUTHENTICATED,
IPP_NOT_AUTHORIZED,
IPP_NOT_POSSIBLE,
IPP_TIMEOUT,
IPP_NOT_FOUND,
IPP_GONE,
IPP_REQUEST_ENTITY,
IPP_REQUEST_VALUE,
IPP_DOCUMENT_FORMAT,
IPP_ATTRIBUTES,
IPP_URI_SCHEME,
IPP_CHARSET,IPP_CONFLICT,
IPP_COMPRESSION_NOT_SUPPORTED,
IPP_COMPRESSION_ERROR,
IPP_DOCUMENT_FORMAT_ERROR,
IPP_DOCUMENT_ACCESS_ERROR,
IPP_ATTRIBUTES_NOT_SETTABLE,
IPP_IGNORED_ALL_SUBSCRIPTIONS,
IPP_TOO_MANY_SUBSCRIPTIONS,
IPP_IGNORED_ALL_NOTIFICATIONS,
IPP_PRINT_SUPPORT_FILE_NOT_FOUND,
IPP_INTERNAL_ERROR := $0500,
IPP_OPERATION_NOT_SUPPORTED,
IPP_SERVICE_UNAVAILABLE,
IPP_VERSION_NOT_SUPPORTED,
IPP_DEVICE_ERROR,
IPP_TEMPORARY_ERROR,
IPP_NOT_ACCEPTING,
IPP_PRINTER_BUSY,
IPP_ERROR_JOB_CANCELLED,
IPP_MULTIPLE_JOBS_NOT_SUPPORTED,
IPP_PRINTER_IS_DEACTIVATED);
//Printer States....
ipp_pstate_t = (IPP_PRINTER_IDLE := 3,
IPP_PRINTER_PROCESSING,
IPP_PRINTER_STOPPED);
//IPP states...
ipp_state_t = (IPP_ERROR := -(1), //An error occurred
IPP_IDLE, //Nothing is happening/request completed
IPP_HEADER, //The request header needs to be sent/received
IPP_ATTRIBUTE, //One or more attributes need to be sent/received
IPP_DATA); //IPP request data needs to be sent/received
//IPP operations...
ipp_op_t = (IPP_PRINT_JOB := $0002,
IPP_PRINT_URI,
IPP_VALIDATE_JOB,
IPP_CREATE_JOB,
IPP_SEND_DOCUMENT,
IPP_SEND_URI,
IPP_CANCEL_JOB,
IPP_GET_JOB_ATTRIBUTES,
IPP_GET_JOBS,
IPP_GET_PRINTER_ATTRIBUTES,
IPP_HOLD_JOB,
IPP_RELEASE_JOB,
IPP_RESTART_JOB,
IPP_PAUSE_PRINTER := $0010,
IPP_RESUME_PRINTER,
IPP_PURGE_JOBS,
IPP_SET_PRINTER_ATTRIBUTES,
IPP_SET_JOB_ATTRIBUTES,
IPP_GET_PRINTER_SUPPORTED_VALUES,
IPP_CREATE_PRINTER_SUBSCRIPTION,
IPP_CREATE_JOB_SUBSCRIPTION,
IPP_GET_SUBSCRIPTION_ATTRIBUTES,
IPP_GET_SUBSCRIPTIONS,
IPP_RENEW_SUBSCRIPTION,
IPP_CANCEL_SUBSCRIPTION,
IPP_GET_NOTIFICATIONS,
IPP_SEND_NOTIFICATIONS,
IPP_GET_PRINT_SUPPORT_FILES := $0021,
IPP_ENABLE_PRINTER,
IPP_DISABLE_PRINTER,
IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB,
IPP_HOLD_NEW_JOBS,
IPP_RELEASE_HELD_NEW_JOBS,
IPP_DEACTIVATE_PRINTER,
IPP_ACTIVATE_PRINTER,
IPP_RESTART_PRINTER,
IPP_SHUTDOWN_PRINTER,
IPP_STARTUP_PRINTER,
IPP_REPROCESS_JOB,
IPP_CANCEL_CURRENT_JOB,
IPP_SUSPEND_CURRENT_JOB,
IPP_RESUME_JOB,
IPP_PROMOTE_JOB,
IPP_SCHEDULE_JOB_AFTER,
IPP_PRIVATE := $4000,
CUPS_GET_DEFAULT,
CUPS_GET_PRINTERS,
CUPS_ADD_PRINTER,
CUPS_DELETE_PRINTER,
CUPS_GET_CLASSES,
CUPS_ADD_CLASS,
CUPS_DELETE_CLASS,
CUPS_ACCEPT_JOBS,
CUPS_REJECT_JOBS,
CUPS_SET_DEFAULT,
CUPS_GET_DEVICES,
CUPS_GET_PPDS,
CUPS_MOVE_JOB,
CUPS_ADD_DEVICE,
CUPS_DELETE_DEVICE
);
Pipp_uchar_t=^ipp_uchar_t;
ipp_uchar_t = byte; //Unsigned 8-bit integer/character
//Request Header
ipp_request_t = record
case longint of
0 : (any : record //Any Header
version : array[0..1] of ipp_uchar_t; //Protocol version number
op_status : longint; //Operation ID or status code
request_id : longint; //Request ID
end);
1 : (op : record //Operation ID
version : array[0..1] of ipp_uchar_t; //Protocol version number
operation_id : ipp_op_t; //Operation ID
request_id : longint; //Request ID
end);
2 : (status : record //Status Header
version:array[0..1] of ipp_uchar_t;//Protocol version number
status_code : ipp_status_t; //Status code
request_id : longint; //Request ID
end);
end;
//Attribute Value
ipp_value_t = record
case longint of
0 : ( aInteger : longint ); //Integer/enumerated value
1 : ( aBoolean : char ); //Boolean value
2 : ( aDate : array[0..10] of ipp_uchar_t ); //Date/time value
3 : ( resolution : record //Resolution value
xres : longint; //Horizontal resolution
yres : longint; //Vertical resolution
units : ipp_res_t; //Resolution units
end );
4 : ( range : record //Range of integers value
lower : longint; //Lower value
upper : longint; //Upper value
end );
5 : ( _string : record //String with language value
charset: Pchar; //Character set
text : Pchar; //String
end );
6 : ( unknown : record //Unknown attribute type
length : longint; //Length of attribute
data : pointer; //Data in attribute
end );
end;
Pipp_value_t = ^ipp_value_t;
//Attribute
Pipp_attribute_s=^ipp_attribute_s;
ipp_attribute_s = record
next : Pipp_attribute_s; //Next attribute in list
group_tag : ipp_tag_t; //Job/Printer/Operation group tag
value_tag : ipp_tag_t; //What type of value is it?
name : Pchar; //Name of attribute
num_values: longint; //Number of values
values : array[0..0] of ipp_value_t; //Values
end;
ipp_attribute_t = ipp_attribute_s;
Pipp_attribute_t=^ipp_attribute_t;
//Request State
Pipp_t=^ipp_t;
ipp_t = record
state : ipp_state_t; //State of request
request : ipp_request_t; //Request header
attrs : Pipp_attribute_t; //Attributes
last : Pipp_attribute_t; //Last attribute in list
current : Pipp_attribute_t; //Current attribute (for read/write)
curtag : ipp_tag_t; //Current attribute group tag
end;
//
//
//
//
const
MaxcupsLibs=2;
cupsLibs :Array[0..MaxcupsLibs] of string = ('libcups.so',
'libcups.so.2',
'/usr/lib/libcups.dylib');
const
CUPS_VERSION = 1.0119;
CUPS_VERSION_MAJOR = 1;
CUPS_VERSION_MINOR = 1;
CUPS_VERSION_PATCH = 19;
CUPS_DATE_ANY = -(1);
//**** Printer Type/Capability Bits ********
//not a typedef'd enum so we can OR
CUPS_PRINTER_LOCAL = $0000; // Local printer or class
CUPS_PRINTER_CLASS = $0001; // Printer class
CUPS_PRINTER_REMOTE = $0002; // Remote printer or class
CUPS_PRINTER_BW = $0004; // Can do B&W printing
CUPS_PRINTER_COLOR = $0008; // Can do color printing
CUPS_PRINTER_DUPLEX = $0010; // Can do duplexing
CUPS_PRINTER_STAPLE = $0020; // Can staple output
CUPS_PRINTER_COPIES = $0040; // Can do copies
CUPS_PRINTER_COLLATE = $0080; // Can collage copies
CUPS_PRINTER_PUNCH = $0100; // Can punch output
CUPS_PRINTER_COVER = $0200; // Can cover output
CUPS_PRINTER_BIND = $0400; // Can bind output
CUPS_PRINTER_SORT = $0800; // Can sort output
CUPS_PRINTER_SMALL = $1000; // Can do Letter/Legal/A4
CUPS_PRINTER_MEDIUM = $2000; // Can do Tabloid/B/C/A3/A2
CUPS_PRINTER_LARGE = $4000; // Can do D/E/A1/A0
CUPS_PRINTER_VARIABLE = $8000; // Can do variable sizes
CUPS_PRINTER_IMPLICIT = $10000; // Implicit class
CUPS_PRINTER_DEFAULT = $20000; // Default printer on network
CUPS_PRINTER_OPTIONS = $FFFC; // ~(CLASS | REMOTE | IMPLICIT)
type
PPPChar = ^PPChar;
cups_ptype_t = dword; //See bit flags consts
TFunctionWithParam1 = function (_para1:Pchar):Pchar;
//Printer Options
Pcups_option_t= ^cups_option_t;
PPcups_option_t=^Pcups_option_t;
cups_option_t = record
name : PChar; //Name of option
value : PChar; //Value of option
end;
//Destination
Pcups_dest_t=^cups_dest_t;
PPcups_dest_t=^Pcups_dest_t;
cups_dest_t = record
name : PChar; //Printer or class name
instance : PChar; //Local instance name or NULL
is_default : Longint; //Is this printer the default?
num_options: Longint; //Number of options
options : Pcups_option_t; //Options
end;
//Job
Pcups_job_t=^cups_job_t;
PPcups_job_t=^Pcups_job_t;
cups_job_t = record
id : longint; //The job ID
dest : Pchar; //Printer or class name
title : Pchar; //Title/job name
user : Pchar; //User the submitted the job
format : Pchar; //Document format
state : ipp_jstate_t; //Job state
size : longint; //Size in kilobytes
priority : longint; //Priority (1-100)
completed_time : time_t; //Time the job was completed
creation_time : time_t; //Time the job was created
processing_time : time_t; //Time the job was processed
end;
var
//
//cups_language.pp
//
cupsLangEncoding: function (lang:Pcups_lang_t):Pchar;cdecl;
cupsLangFlush: procedure; cdecl;
cupsLangFree: procedure (lang:Pcups_lang_t);cdecl;
cupsLangGet: function (language:Pchar):Pcups_lang_t;cdecl;
//
//cups_http.pp
//
httpCheck: function (http:Phttp_t):longint;cdecl;
httpClose: procedure (http_t :Phttp_t); cdecl;
httpConnect: function (host:Pchar; port:longint):Phttp_t;cdecl;
httpConnectEncrypt: function (host:Pchar; port:longint; encrypt:http_encryption_t):Phttp_t;cdecl;
httpDelete: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpEncryption: function (http:Phttp_t; e:http_encryption_t):longint;cdecl;
httpError: function (http : longint) : longint; cdecl;
httpFlush: procedure (http:Phttp_t);cdecl;
httpGet: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpGets: function (line:Pchar; length:longint; http:Phttp_t):Pchar;cdecl;
httpGetDateString: function (t:time_t):Pchar;cdecl;
httpGetDateTime: function (s:Pchar):time_t;cdecl;
httpGetField: function (http,field : longint) : longint; cdecl;
//httpGetHostByName: function (name:Pchar):^hostent;cdecl;
httpGetSubField: function (http:Phttp_t; field:http_field_t; name:Pchar; value:Pchar):Pchar;cdecl;
httpHead: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpInitialize: procedure ;cdecl;
httpOptions: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpPost: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpPut: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpRead: function (http:Phttp_t; buffer:Pchar; length:longint):longint;cdecl;
httpReconnect: function (http:Phttp_t):longint;cdecl;
httpSeparate: procedure (uri:Pchar; method:Pchar; username:Pchar; host:Pchar; port:Plongint; resource:Pchar);cdecl;
httpSetField: procedure (http:Phttp_t; field:http_field_t; value:Pchar);cdecl;
httpStatus: function (status:http_status_t):Pchar;cdecl;
httpTrace: function (http:Phttp_t; uri:Pchar):longint;cdecl;
httpUpdate: function (http:Phttp_t):http_status_t;cdecl;
httpWait: function (http:Phttp_t; msec:longint):longint;cdecl;
httpWrite: function (http:Phttp_t; buffer:Pchar; length:longint):longint;cdecl;
//httpEncode64: function (out:Pchar; in:Pchar):Pchar;cdecl;
//httpDecode64: function (out:Pchar; in:Pchar):Pchar;cdecl;
httpGetLength: function (http:Phttp_t):longint;cdecl;
httpMD5: function (_para1:Pchar; _para2:Pchar; _para3:Pchar; {%H-}_para4:TArrayChar32):Pchar;cdecl;
httpMD5Final: function (_para1:Pchar; _para2:Pchar; _para3:Pchar; {%H-}_para4:TArrayChar32):Pchar;cdecl;
httpMD5String: function (_para1:Pmd5_byte_t; {%H-}_para2:TArrayChar32):Pchar;cdecl;
//
// cups_ppd
//
ppdClose: procedure (ppd:Pppd_file_t);cdecl;
ppdCollect: function (ppd:Pppd_file_t; section:ppd_section_t; choices:PPPppd_choice_t):longint;cdecl;
ppdConflicts: function (ppd:Pppd_file_t):longint;cdecl;
ppdEmit: function (ppd:Pppd_file_t; fp:PFILE; section:ppd_section_t):longint;cdecl;
ppdEmitFd: function (ppd:Pppd_file_t; fd:longint; section:ppd_section_t):longint;cdecl;
ppdEmitJCL: function (ppd:Pppd_file_t; fp:PFILE; job_id:longint; user:Pchar; title:Pchar):longint;cdecl;
ppdFindChoice: function (o:Pppd_option_t; option:Pchar):Pppd_choice_t;cdecl;
ppdFindMarkedChoice: function (ppd:Pppd_file_t; keyword:Pchar):Pppd_choice_t;cdecl;
ppdFindOption: function (ppd:Pppd_file_t; keyword:Pchar):Pppd_option_t;cdecl;
ppdIsMarked: function (ppd:Pppd_file_t; keyword:Pchar; option:Pchar):longint;cdecl;
ppdMarkDefaults: procedure (ppd:Pppd_file_t);cdecl;
ppdMarkOption: function (ppd:Pppd_file_t; keyword:Pchar; option:Pchar):longint;cdecl;
ppdOpen: function (fp:PFILE):Pppd_file_t;cdecl;
ppdOpenFd: function (fd:longint):Pppd_file_t;cdecl;
ppdOpenFile: function (filename:Pchar):Pppd_file_t;cdecl;
ppdPageLength: function (ppd:Pppd_file_t; name:Pchar):single;cdecl;
ppdPageSize: function (ppd:Pppd_file_t; name:Pchar):Pppd_size_t;cdecl;
ppdPageWidth: function (ppd:Pppd_file_t; name:Pchar):single;cdecl;
{New in CUPS 1.1.19}
ppdErrorString: function (status:ppd_status_t):Pchar;cdecl;
ppdFindAttr: function (ppd:Pppd_file_t; name:Pchar; spec:Pchar):Pchar;cdecl;
ppdFindNextAttr: function (ppd:Pppd_file_t; name:Pchar; spec:Pchar):Pchar;cdecl;
ppdLastError: function (line:Plongint):ppd_status_t;cdecl;
//
// cups_ipp
//
ippAddBoolean: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; value:char):Pipp_attribute_t;cdecl;
ippAddBooleans: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; num_values:longint; values:Pchar):Pipp_attribute_t;cdecl;
ippAddDate: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; value:Pipp_uchar_t):Pipp_attribute_t;cdecl;
ippAddInteger: function (ipp:Pipp_t; group:ipp_tag_t; _type:ipp_tag_t; name:Pchar; value:longint):Pipp_attribute_t;cdecl;
ippAddIntegers: function (ipp:Pipp_t; group:ipp_tag_t; _type:ipp_tag_t; name:Pchar; num_values:longint;
values:Plongint):Pipp_attribute_t;cdecl;
ippAddRange: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; lower:longint; upper:longint):Pipp_attribute_t;cdecl;
ippAddRanges: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; num_values:longint; lower:Plongint;
upper:Plongint):Pipp_attribute_t;cdecl;
ippAddResolution: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; units:ipp_res_t; xres:longint;
yres:longint):Pipp_attribute_t;cdecl;
ippAddResolutions: function (ipp:Pipp_t; group:ipp_tag_t; name:Pchar; num_values:longint; units:ipp_res_t;
xres:Plongint; yres:Plongint):Pipp_attribute_t;cdecl;
ippAddSeparator: function (ipp:Pipp_t):Pipp_attribute_t;cdecl;
ippAddString: function (ipp:Pipp_t; group:ipp_tag_t; _type:ipp_tag_t; name:Pchar; charset:Pchar;
value:Pchar):Pipp_attribute_t;cdecl;
ippAddStrings: function (ipp:Pipp_t; group:ipp_tag_t; _type:ipp_tag_t; name:Pchar; num_values:longint;
charset:Pchar; values:PPchar):Pipp_attribute_t;cdecl;
ippDateToTime: function (date:Pipp_uchar_t):time_t;cdecl;
ippDelete: procedure (ipp:Pipp_t);cdecl;
ippErrorString: function (error:ipp_status_t):Pchar;cdecl;
ippFindAttribute: function (ipp:Pipp_t; name:Pchar; _type:ipp_tag_t):Pipp_attribute_t;cdecl;
ippFindNextAttribute: function (ipp:Pipp_t; name:Pchar; _type:ipp_tag_t):Pipp_attribute_t;cdecl;
ippLength: function (ipp:Pipp_t):size_t;cdecl;
ippNew: function :Pipp_t;cdecl;
ippRead: function (http:Phttp_t; ipp:Pipp_t):ipp_state_t;cdecl;
ippTimeToDate: function (t:time_t):Pipp_uchar_t;cdecl;
ippWrite: function (http:Phttp_t; ipp:Pipp_t):ipp_state_t;cdecl;
ippPort: function :longint;cdecl;
ippSetPort: procedure (p:longint);cdecl;
_ipp_add_attr: function (_para1:Pipp_t; _para2:longint):Pipp_attribute_t;cdecl;
_ipp_free_attr: procedure (_para1:Pipp_attribute_t);cdecl;
//
//cups.pp
//
cupsServer: function :Pchar;cdecl;
cupsGetDefault:function :PChar; cdecl;
cupsGetPPD:function (printer :Pchar): PChar;cdecl;
cupsLastError:function : ipp_status_t; cdecl;
cupsGetPrinters:function (printers :PPPchar):longint;cdecl;
cupsDoFileRequest:function (http:Phttp_t; request:Pipp_t; const resource:Pchar; const filename:Pchar):Pipp_t;cdecl;
cupsCancelJob:function (printer:Pchar; job:longint):longint;cdecl;
cupsEncryption:function :http_encryption_t;cdecl;
cupsFreeJobs:procedure (num_jobs:longint; jobs:Pcups_job_t);cdecl;
cupsGetClasses:function (classes:PPPchar):longint;cdecl;
cupsGetJobs:function (jobs:PPcups_job_t; dest:Pchar; myjobs:longint; completed:longint):longint;cdecl;
cupsPrintFile:function (printer:Pchar; filename:Pchar; title:Pchar;
num_options:longint; options:Pcups_option_t):longint;cdecl;
cupsPrintFiles:function (printer:Pchar; num_files:longint; files:PPchar;
title:Pchar; num_options:longint; options:Pcups_option_t):longint;cdecl;
cupsTempFile:function (filename:Pchar; len:longint):Pchar;cdecl;
cupsTempFd:function (filename:Pchar; len:longint):longint;cdecl;
cupsAddDest:function (name:Pchar; instance:Pchar; num_dests:longint;
dests:PPcups_dest_t):longint;cdecl;
cupsFreeDests:procedure (num_dests:longint; dests:Pcups_dest_t);cdecl;
cupsGetDest:function (name:Pchar; instance:Pchar;
num_dests:longint; dests:Pcups_dest_t):Pcups_dest_t;cdecl;
cupsGetDests:function (dests:PPcups_dest_t):longint;cdecl;
cupsSetDests:procedure (num_dests:longint; dests:Pcups_dest_t);cdecl;
cupsAddOption:function (name:Pchar; value:Pchar; num_options:longint; options:PPcups_option_t):longint;cdecl;
cupsEncodeOptions:procedure (ipp:Pipp_t; num_options:longint; options:Pcups_option_t);cdecl;
cupsFreeOptions:procedure (num_options:longint; options:Pcups_option_t);cdecl;
cupsGetOption:function (name:Pchar; num_options:longint; options:Pcups_option_t):Pchar;cdecl;
cupsParseOptions:function (arg:Pchar; num_options:longint; options:PPcups_option_t):longint;cdecl;
cupsMarkOptions:function (ppd:Pppd_file_t; num_options:longint; options:Pcups_option_t):longint;cdecl;
cupsGetPassword:function (prompt:Pchar):Pchar;cdecl;
cupsSetEncryption:procedure (e:http_encryption_t);cdecl;
cupsSetPasswordCB:procedure (cb: TFunctionWithParam1);cdecl;
cupsSetServer:procedure (server:Pchar);cdecl;
cupsSetUser:procedure (user:Pchar);cdecl;
cupsUser:function :Pchar;cdecl;
function cupsDoRequest(ahttp :Phttp_t; aRequest :Pipp_t; aResource :PChar) : Pipp_t;
function cupsLangDefault : Pcups_lang_t;
procedure InitializeCups;
procedure FinalizeCups;
function CUPSLibInstalled : Boolean;
var
CupsLibHandle: TLibHandle;
implementation
var RefCount : integer;
procedure InitializeCups;
var i : integer;
begin
inc(RefCount);
//debugln('InitializeCups RefCount=',dbgs(RefCount));
if RefCount = 1 then
begin
for i:=0 to MaxcupsLibs do
begin
CupsLibHandle := loadlibrary(cupslibs[i]);
if CupsLibHandle <> nilhandle then
Break;
end;
if CupsLibHandle = nilhandle then
begin
//debugln('InitializeCups load cups lib failed');
RefCount := 0;
raise EInOutError.Create('Can not load cups library');
end;
end;
//WriteLn('CupsLibHandle=', CupsLibHandle);
//
//cups_language.pp
//
pointer(cupsLangEncoding) := GetProcedureAddress(CupsLibHandle, 'cupsLangEncoding');
pointer(cupsLangFlush) := GetProcedureAddress(CupsLibHandle, 'cupsLangFlush');
pointer(cupsLangFree) := GetProcedureAddress(CupsLibHandle, 'cupsLangFree');
pointer(cupsLangGet) := GetProcedureAddress(CupsLibHandle, 'cupsLangGet');
//
// cups_http.pp
//
pointer(httpCheck) := GetProcedureAddress(CupsLibHandle, 'httpCheck');
pointer(httpClose) := GetProcedureAddress(CupsLibHandle, 'httpClose');
pointer(httpConnect) := GetProcedureAddress(CupsLibHandle, 'httpConnect');
pointer(httpConnectEncrypt) := GetProcedureAddress(CupsLibHandle, 'httpConnectEncrypt');
pointer(httpDelete) := GetProcedureAddress(CupsLibHandle, 'httpDelete');
pointer(httpEncryption) := GetProcedureAddress(CupsLibHandle, 'httpEncryption');
pointer(httpError) := GetProcedureAddress(CupsLibHandle, 'httpError');
pointer(httpFlush) := GetProcedureAddress(CupsLibHandle, 'httpFlush');
pointer(httpGet) := GetProcedureAddress(CupsLibHandle, 'httpGet');
pointer(httpGets) := GetProcedureAddress(CupsLibHandle, 'httpGets');
pointer(httpGetDateString) := GetProcedureAddress(CupsLibHandle, 'httpGetDateString');
pointer(httpGetDateTime) := GetProcedureAddress(CupsLibHandle, 'httpGetDateTime');
pointer(httpGetField) := GetProcedureAddress(CupsLibHandle, 'httpGetField');
//pointer(httpGetHostByName) := GetProcedureAddress(CupsLibHandle, 'httpGetHostByName');
pointer(httpGetSubField) := GetProcedureAddress(CupsLibHandle, 'httpGetSubField');
pointer(httpHead) := GetProcedureAddress(CupsLibHandle, 'httpHead');
pointer(httpInitialize) := GetProcedureAddress(CupsLibHandle, 'httpInitialize');
pointer(httpOptions) := GetProcedureAddress(CupsLibHandle, 'httpOptions');
pointer(httpPost) := GetProcedureAddress(CupsLibHandle, 'httpPost');
pointer(httpPut) := GetProcedureAddress(CupsLibHandle, 'httpPut');
pointer(httpRead) := GetProcedureAddress(CupsLibHandle, 'httpRead');
pointer(httpReconnect) := GetProcedureAddress(CupsLibHandle, 'httpReconnect');
pointer(httpSeparate) := GetProcedureAddress(CupsLibHandle, 'httpSeparate');
pointer(httpSetField) := GetProcedureAddress(CupsLibHandle, 'httpSetField');
pointer(httpStatus) := GetProcedureAddress(CupsLibHandle, 'httpStatus');
pointer(httpTrace) := GetProcedureAddress(CupsLibHandle, 'httpTrace');
pointer(httpUpdate) := GetProcedureAddress(CupsLibHandle, 'httpUpdate');
pointer(httpWait) := GetProcedureAddress(CupsLibHandle, 'httpWait');
pointer(httpWrite) := GetProcedureAddress(CupsLibHandle, 'httpWrite');
//pointer(httpEncode64) := GetProcedureAddress(CupsLibHandle, 'httpEncode64');
//pointer(httpDecode64) := GetProcedureAddress(CupsLibHandle, 'httpDecode64');
pointer(httpGetLength) := GetProcedureAddress(CupsLibHandle, 'httpGetLength');
pointer(httpMD5) := GetProcedureAddress(CupsLibHandle, 'httpMD5');
pointer(httpMD5Final) := GetProcedureAddress(CupsLibHandle, 'httpMD5Final');
pointer(httpMD5String) := GetProcedureAddress(CupsLibHandle, 'httpMD5String');
//
// cups_ppd
//
pointer(ppdClose) := GetProcedureAddress(CupsLibHandle, 'ppdClose');
pointer(ppdCollect) := GetProcedureAddress(CupsLibHandle, 'ppdCollect');
pointer(ppdConflicts) := GetProcedureAddress(CupsLibHandle, 'ppdConflicts');
pointer(ppdEmit) := GetProcedureAddress(CupsLibHandle, 'ppdEmit');
pointer(ppdEmitFd) := GetProcedureAddress(CupsLibHandle, 'ppdEmitFd');
pointer(ppdEmitJCL) := GetProcedureAddress(CupsLibHandle, 'ppdEmitJCL');
pointer(ppdFindChoice) := GetProcedureAddress(CupsLibHandle, 'ppdFindChoice');
pointer(ppdFindMarkedChoice) := GetProcedureAddress(CupsLibHandle, 'ppdFindMarkedChoice');
pointer(ppdFindOption) := GetProcedureAddress(CupsLibHandle, 'ppdFindOption');
pointer(ppdIsMarked) := GetProcedureAddress(CupsLibHandle, 'ppdIsMarked');
pointer(ppdMarkDefaults) := GetProcedureAddress(CupsLibHandle, 'ppdMarkDefaults');
pointer(ppdMarkOption) := GetProcedureAddress(CupsLibHandle, 'ppdMarkOption');
pointer(ppdOpen) := GetProcedureAddress(CupsLibHandle, 'ppdOpen');
pointer(ppdOpenFd) := GetProcedureAddress(CupsLibHandle, 'ppdOpenFd');
pointer(ppdOpenFile) := GetProcedureAddress(CupsLibHandle, 'ppdOpenFile');
pointer(ppdPageLength) := GetProcedureAddress(CupsLibHandle, 'ppdPageLength');
pointer(ppdPageSize) := GetProcedureAddress(CupsLibHandle, 'ppdPageSize');
pointer(ppdPageWidth) := GetProcedureAddress(CupsLibHandle, 'ppdPageWidth');
{New in CUPS 1.1.19}
pointer(ppdErrorString) := GetProcedureAddress(CupsLibHandle, 'ppdErrorString');
pointer(ppdFindAttr) := GetProcedureAddress(CupsLibHandle, 'ppdFindAttr');
pointer(ppdFindNextAttr) := GetProcedureAddress(CupsLibHandle, 'ppdFindNextAttr');
pointer(ppdLastError) := GetProcedureAddress(CupsLibHandle, 'ppdLastError');
//
// cups_ipp
//
pointer(ippAddBoolean) := GetProcedureAddress(CupsLibHandle, 'ippAddBoolean');
pointer(ippAddBooleans) := GetProcedureAddress(CupsLibHandle, 'ippAddBooleans');
pointer(ippAddDate) := GetProcedureAddress(CupsLibHandle, 'ippAddDate');
pointer(ippAddInteger) := GetProcedureAddress(CupsLibHandle, 'ippAddInteger');
pointer(ippAddIntegers) := GetProcedureAddress(CupsLibHandle, 'ippAddIntegers');
pointer(ippAddRange) := GetProcedureAddress(CupsLibHandle, 'ippAddRange');
pointer(ippAddRanges) := GetProcedureAddress(CupsLibHandle, 'ippAddRanges');
pointer(ippAddResolution) := GetProcedureAddress(CupsLibHandle, 'ippAddResolution');
pointer(ippAddResolutions) := GetProcedureAddress(CupsLibHandle, 'ippAddResolutions');
pointer(ippAddSeparator) := GetProcedureAddress(CupsLibHandle, 'ippAddSeparator');
pointer(ippAddString) := GetProcedureAddress(CupsLibHandle, 'ippAddString');
pointer(ippAddStrings) := GetProcedureAddress(CupsLibHandle, 'ippAddStrings');
pointer(ippDateToTime) := GetProcedureAddress(CupsLibHandle, 'ippDateToTime');
pointer(ippDelete) := GetProcedureAddress(CupsLibHandle, 'ippDelete');
pointer(ippErrorString) := GetProcedureAddress(CupsLibHandle, 'ippErrorString');
pointer(ippFindAttribute) := GetProcedureAddress(CupsLibHandle, 'ippFindAttribute');
pointer(ippFindNextAttribute) := GetProcedureAddress(CupsLibHandle, 'ippFindNextAttribute');
pointer(ippLength) := GetProcedureAddress(CupsLibHandle, 'ippLength');
pointer(ippNew) := GetProcedureAddress(CupsLibHandle, 'ippNew');
pointer(ippRead) := GetProcedureAddress(CupsLibHandle, 'ippRead');
pointer(ippTimeToDate) := GetProcedureAddress(CupsLibHandle, 'ippTimeToDate');
pointer(ippWrite) := GetProcedureAddress(CupsLibHandle, 'ippWrite');
pointer(ippPort) := GetProcedureAddress(CupsLibHandle, 'ippPort');
pointer(ippSetPort) := GetProcedureAddress(CupsLibHandle, 'ippSetPort');
pointer(_ipp_add_attr) := GetProcedureAddress(CupsLibHandle, '_ipp_add_attr');
pointer(_ipp_free_attr) := GetProcedureAddress(CupsLibHandle, '_ipp_free_attr');
//
// cups.pp
//
pointer(cupsServer) := GetProcedureAddress(CupsLibHandle, 'cupsServer');
pointer(cupsGetDefault) := GetProcedureAddress(CupsLibHandle, 'cupsGetDefault');
pointer(cupsGetPPD) := GetProcedureAddress(CupsLibHandle, 'cupsGetPPD');
pointer(cupsLastError) := GetProcedureAddress(CupsLibHandle, 'cupsLastError');
pointer(cupsGetPrinters) := GetProcedureAddress(CupsLibHandle, 'cupsGetPrinters');
pointer(cupsDoFileRequest) := GetProcedureAddress(CupsLibHandle, 'cupsDoFileRequest');
pointer(cupsCancelJob) := GetProcedureAddress(CupsLibHandle, 'cupsCancelJob');
pointer(cupsEncryption) := GetProcedureAddress(CupsLibHandle, 'cupsEncryption');
pointer(cupsFreeJobs) := GetProcedureAddress(CupsLibHandle, 'cupsFreeJobs');
pointer(cupsGetClasses) := GetProcedureAddress(CupsLibHandle, 'cupsGetClasses');
pointer(cupsGetJobs) := GetProcedureAddress(CupsLibHandle, 'cupsGetJobs');
pointer(cupsPrintFile) := GetProcedureAddress(CupsLibHandle, 'cupsPrintFile');
pointer(cupsPrintFiles) := GetProcedureAddress(CupsLibHandle, 'cupsPrintFiles');
pointer(cupsTempFile) := GetProcedureAddress(CupsLibHandle, 'cupsTempFile');
pointer(cupsTempFd) := GetProcedureAddress(CupsLibHandle, 'cupsTempFd');
pointer(cupsAddDest) := GetProcedureAddress(CupsLibHandle, 'cupsAddDest');
pointer(cupsFreeDests) := GetProcedureAddress(CupsLibHandle, 'cupsFreeDests');
pointer(cupsGetDest) := GetProcedureAddress(CupsLibHandle, 'cupsGetDest');
pointer(cupsGetDests) := GetProcedureAddress(CupsLibHandle, 'cupsGetDests');
pointer(cupsSetDests) := GetProcedureAddress(CupsLibHandle, 'cupsSetDests');
pointer(cupsAddOption) := GetProcedureAddress(CupsLibHandle, 'cupsAddOption');
pointer(cupsEncodeOptions) := GetProcedureAddress(CupsLibHandle, 'cupsEncodeOptions');
pointer(cupsFreeOptions) := GetProcedureAddress(CupsLibHandle, 'cupsFreeOptions');
pointer(cupsGetOption) := GetProcedureAddress(CupsLibHandle, 'cupsGetOption');
pointer(cupsParseOptions) := GetProcedureAddress(CupsLibHandle, 'cupsParseOptions');
pointer(cupsMarkOptions) := GetProcedureAddress(CupsLibHandle, 'cupsMarkOptions');
pointer(cupsGetPassword) := GetProcedureAddress(CupsLibHandle, 'cupsGetPassword');
pointer(cupsSetEncryption) := GetProcedureAddress(CupsLibHandle, 'cupsSetEncryption');
pointer(cupsSetPasswordCB) := GetProcedureAddress(CupsLibHandle, 'cupsSetPasswordCB');
pointer(cupsSetServer) := GetProcedureAddress(CupsLibHandle, 'cupsSetServer');
pointer(cupsSetUser) := GetProcedureAddress(CupsLibHandle, 'cupsSetUser');
pointer(cupsUser) := GetProcedureAddress(CupsLibHandle, 'cupsUser');
end;
//Return true if CUPS lib can be loaded and
//initilized.
function CUPSLibInstalled : Boolean;
begin
Result:=False;
if RefCount=0 then begin
Try
//debugln('CUPSLibInstalled A');
InitializeCups;
Except
exit;
end;
end;
Result:=(RefCount>0);
end;
procedure FinalizeCups;
begin
//debugln('* FinalizeCups');
if RefCount>0 then
Dec(RefCount);
if RefCount=0 then
begin
if (CupsLibHandle<>NilHandle) and not UnloadLibrary(CupsLibHandle) then
Inc(RefCount)
else
CupsLibHandle := NilHandle;
end;
end;
function cupsLangDefault : Pcups_lang_t;
begin
Result:=cupsLangGet('');
end;
function cupsDoRequest(ahttp :Phttp_t; aRequest :Pipp_t;
aResource :PChar):Pipp_t;
begin
Result:=cupsDoFileRequest(aHttp,aRequest,aResource,nil);
end;
INITIALIZATION
CupsLibHandle:= NilHandle;
end.
|