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Annotation of libwww/Library/src/HTMLPDTD.c, revision 2.19

2.12 frystyk 1: /*                                 HTMLPDTD.c
 2: **   STATIC DTD FOR HTML
 3: **
2.16 frystyk 4: **   (c) COPYRIGHT MIT 1995.
2.12 frystyk 5: **   Please first read the full copyright statement in the file COPYRIGH.
2.1 timbl 6: **
 7: **   6 Nov 93    MD   Increased size of img_attr array to make space
 8: **               for terminator.
 9: */
 10: 
2.14 frystyk 11: /* Library include files */
2.19 ! frystyk 12: #include "sysdep.h"
2.14 frystyk 13: #include "HTUtils.h"
2.1 timbl 14: #include "HTMLPDTD.h"
 15: 
 16: /*   Entity Names
 17: **   ------------
 18: **
 19: **   This table must be matched exactly with ALL the translation tables
 20: */
2.11 timbl 21: 
2.19 ! frystyk 22: PRIVATE const char* entities[HTML_ENTITIES] = {
2.1 timbl 23:  "AElig",   /* capital AE diphthong (ligature) */ 
 24:  "Aacute",  /* capital A, acute accent */ 
 25:  "Acirc",   /* capital A, circumflex accent */ 
 26:  "Agrave",  /* capital A, grave accent */ 
 27:  "Aring",   /* capital A, ring */ 
 28:  "Atilde",  /* capital A, tilde */ 
 29:  "Auml",   /* capital A, dieresis or umlaut mark */ 
 30:  "Ccedil",  /* capital C, cedilla */ 
 31:  "ETH",    /* capital Eth, Icelandic */ 
 32:  "Eacute",  /* capital E, acute accent */ 
 33:  "Ecirc",   /* capital E, circumflex accent */ 
 34:  "Egrave",  /* capital E, grave accent */ 
 35:  "Euml",   /* capital E, dieresis or umlaut mark */ 
 36:  "Iacute",  /* capital I, acute accent */ 
 37:  "Icirc",   /* capital I, circumflex accent */ 
 38:  "Igrave",  /* capital I, grave accent */ 
 39:  "Iuml",   /* capital I, dieresis or umlaut mark */ 
 40:  "Ntilde",  /* capital N, tilde */ 
 41:  "Oacute",  /* capital O, acute accent */ 
 42:  "Ocirc",   /* capital O, circumflex accent */ 
 43:  "Ograve",  /* capital O, grave accent */ 
 44:  "Oslash",  /* capital O, slash */ 
 45:  "Otilde",  /* capital O, tilde */ 
 46:  "Ouml",   /* capital O, dieresis or umlaut mark */ 
 47:  "THORN",   /* capital THORN, Icelandic */ 
 48:  "Uacute",  /* capital U, acute accent */ 
 49:  "Ucirc",   /* capital U, circumflex accent */ 
 50:  "Ugrave",  /* capital U, grave accent */ 
 51:  "Uuml",   /* capital U, dieresis or umlaut mark */ 
 52:  "Yacute",  /* capital Y, acute accent */ 
 53:  "aacute",  /* small a, acute accent */ 
 54:  "acirc",   /* small a, circumflex accent */ 
 55:  "aelig",   /* small ae diphthong (ligature) */ 
 56:  "agrave",  /* small a, grave accent */ 
 57:  "amp",    /* ampersand */ 
 58:  "aring",   /* small a, ring */ 
 59:  "atilde",  /* small a, tilde */ 
 60:  "auml",   /* small a, dieresis or umlaut mark */ 
 61:  "ccedil",  /* small c, cedilla */ 
 62:  "eacute",  /* small e, acute accent */ 
 63:  "ecirc",   /* small e, circumflex accent */ 
 64:  "egrave",  /* small e, grave accent */ 
 65:  "eth",    /* small eth, Icelandic */ 
 66:  "euml",   /* small e, dieresis or umlaut mark */ 
 67:  "gt",        /* greater than */ 
 68:  "iacute",  /* small i, acute accent */ 
 69:  "icirc",   /* small i, circumflex accent */ 
 70:  "igrave",  /* small i, grave accent */ 
 71:  "iuml",   /* small i, dieresis or umlaut mark */ 
 72:  "lt",        /* less than */ 
 73:  "ntilde",  /* small n, tilde */ 
 74:  "oacute",  /* small o, acute accent */ 
 75:  "ocirc",   /* small o, circumflex accent */ 
 76:  "ograve",  /* small o, grave accent */ 
 77:  "oslash",  /* small o, slash */ 
 78:  "otilde",  /* small o, tilde */ 
2.10 timbl 79:  "ouml",   /* small o, dieresis or umlaut mark */
 80:  "quot",   /* double quote sign - June 1994 */ 
2.1 timbl 81:  "szlig",   /* small sharp s, German (sz ligature) */ 
 82:  "thorn",   /* small thorn, Icelandic */ 
 83:  "uacute",  /* small u, acute accent */ 
 84:  "ucirc",   /* small u, circumflex accent */ 
 85:  "ugrave",  /* small u, grave accent */ 
 86:  "uuml",   /* small u, dieresis or umlaut mark */ 
 87:  "yacute",  /* small y, acute accent */ 
 88:  "yuml",   /* small y, dieresis or umlaut mark */ 
 89: };
 90: 
 91: 
 92: 
 93: /*       Attribute Lists
 94: **       ---------------
 95: **
 96: **   Lists must be in alphatbetical order by attribute name
 97: **   The tag elements contain the number of attributes
 98: */
2.17 frystyk 99: PRIVATE attr no_attr[1] = 
2.1 timbl 100:    {{ 0 }};
 101: 
2.17 frystyk 102: PRIVATE attr a_attr[HTML_A_ATTRIBUTES+1] = {      /* Anchor attributes */
2.1 timbl 103:    { "EFFECT" },
 104:    { "HREF"},
 105:    { "ID" },
 106:    { "METHODS" },
 107:    { "NAME" },           /* Should be ID */
 108:    { "PRINT" },
 109:    { "REL" },           /* Relationship */
 110:    { "REV" },           /* Reverse relationship */
 111:    { "SHAPE" },
 112:    { "TITLE" },
 113:    { 0 }  /* Terminate list */
 114: };   
 115: 
2.17 frystyk 116: PRIVATE attr base_attr[] = {      /* BASE attributes */
2.1 timbl 117:    { "HREF"},
 118:    { 0 }  /* Terminate list */
 119: };   
 120: 
 121: 
2.17 frystyk 122: PRIVATE attr changed_attr[] = {
2.1 timbl 123:    { "ID" },
 124:    { "IDREF" },
 125:    { 0 }  /* terminate list */
 126: };
 127: 
2.17 frystyk 128: PRIVATE attr fig_attr[] = {      /* Figures */
2.1 timbl 129:    { "ALIGN" },
 130:    { "ID" },
 131:    { "INDEX" },
 132:    { "ISMAP" },              /* @@@ NO! */
 133:    { "LANG" },
 134:    { "SRC" },
 135:    { 0 }  /* terminate list */
 136: };
 137: 
2.17 frystyk 138: PRIVATE attr form_attr[] = {      /* General, for many things */
2.1 timbl 139:    { "ACTION" },
 140:    { "ID" },
 141:    { "INDEX" },
 142:    { "LANG" },
 143:    { "METHOD" },
 144:    { 0 }  /* terminate list */
 145: };
 146: 
2.17 frystyk 147: PRIVATE attr gen_attr[] = {      /* General, for many things */
2.1 timbl 148:    { "ID" },
 149:    { "INDEX" },
 150:    { "LANG" },
 151:    { 0 }  /* terminate list */
 152: };
 153: 
2.17 frystyk 154: PRIVATE attr htmlplus_attr[] = {        /* wrapper HTMLPLUS */
2.1 timbl 155:    { "FORMS" },
 156:    { "VERSION" },
 157:    { 0 }              /* terminate list */
 158: };
 159: 
2.17 frystyk 160: PRIVATE attr id_attr[2] = {
2.1 timbl 161:    { "ID" },
 162:    { 0 }              /* terminate list */
 163: };
 164: 
2.17 frystyk 165: PRIVATE attr image_attr[HTML_IMAGE_ATTRIBUTES+1] = {  /* Image attributes */
2.1 timbl 166:    { "ALIGN" },
 167:    { "ISMAP"},           /* Use HTTP SpaceJump instead */
 168:    { "LANG" },
 169:    { "SEETHRU"},
 170:    { "SRC"},
 171:    { 0 }  /* Terminate list */
 172: };   
 173: 
2.17 frystyk 174: PRIVATE attr img_attr[HTML_IMG_ATTRIBUTES+1] = {    /* IMG attributes */
2.1 timbl 175:    { "ALIGN" },
 176:    { "ALT" },
 177:    { "ISMAP"},           /* Use HTTP SpaceJump instead */
 178:    { "SEETHRU"},
 179:    { "SRC"},
 180:    { 0 }  /* Terminate list */
 181: };   
 182: 
2.17 frystyk 183: PRIVATE attr input_attr[HTML_INPUT_ATTRIBUTES+1] = {
2.1 timbl 184:    { "ALIGN" },
 185:    { "CHECKED" },
 186:    { "DISABLED" },
 187:    { "ERROR" },
2.15 frystyk 188:    { "MAXLENGTH" },        /* WSM bug fix, was MAX */
2.1 timbl 189:    { "MIN" },
 190:    { "NAME" }, 
 191:    { "SIZE" },
 192:    { "SRC" },
 193:    { "TYPE" },
 194:    { "VALUE" },
2.2 timbl 195:    { "0" }
2.1 timbl 196: };
 197: 
2.17 frystyk 198: PRIVATE attr l_attr[] = {
2.1 timbl 199:    { "ALIGN"},
 200:    { "ID" },
 201:    { "LANG" },
 202:    { "INDEX" },
 203:    { 0 }  /* Terminate list */
 204: };
 205: 
2.17 frystyk 206: PRIVATE attr li_attr[] = {
2.1 timbl 207:    { "ID" },
 208:    { "LANG" },
 209:    { "INDEX" },
 210:    { "SRC"},
 211:    { 0 }  /* Terminate list */
 212: };
 213: 
2.17 frystyk 214: PRIVATE attr link_attr[HTML_LINK_ATTRIBUTES+1] = {   /* link attributes */
2.1 timbl 215:    { "HREF"},
 216:    { "IDREF" },
 217:    { "METHODS" },
 218:    { "REL" },           /* Relationship */
 219:    { "REV" },           /* Reverse relationship */
 220:    { 0 }  /* Terminate list */
 221: };   
 222: 
2.17 frystyk 223: PRIVATE attr list_attr[] = {
2.1 timbl 224:    { "COMPACT"},
 225:    { "ID" },
 226:    { "LANG" },
 227:    { "INDEX" },
 228:    { 0 }  /* Terminate list */
 229: };
 230: 
2.17 frystyk 231: PRIVATE attr glossary_attr[HTML_DL_ATTRIBUTES+1] = {
2.3 frystyk 232:    { "ID" },
 233:    { "COMPACT " },
 234:    { "INDEX" },
2.1 timbl 235:    { 0 }  /* Terminate list */
 236: };
 237: 
2.17 frystyk 238: PRIVATE attr nextid_attr[HTML_NEXTID_ATTRIBUTES+1] = {
2.1 timbl 239:    { "N" },
 240:    { 0 }  /* Terminate list */
 241: };
 242: 
2.17 frystyk 243: PRIVATE attr note_attr[HTML_NOTE_ATTRIBUTES+1] = {   /* Footnotes etc etc */
2.1 timbl 244:    { "ID" },
 245:    { "INDEX" },
 246:    { "LANG" },
 247:    { "ROLE" },
 248:    { 0 }  /* terminate list */
 249: };
 250: 
2.17 frystyk 251: PRIVATE attr option_attr[HTML_OPTION_ATTRIBUTES+1] = {
2.1 timbl 252:    { "DISABLED" },
 253:    { "LANG" },
 254:    { "SELECTED" },
 255:    { 0 }
 256: };
 257: 
2.17 frystyk 258: PRIVATE attr render_attr[HTML_RENDER_ATTRIBUTES+1] = {
2.1 timbl 259:    { "STYLE" },
 260:    { "TAG" },
 261:    { 0 }  /* Terminate list */
 262: };
 263: 
2.17 frystyk 264: PRIVATE attr select_attr[HTML_SELECT_ATTRIBUTES+1] = {
2.1 timbl 265:    { "ERROR" },
 266:    { "LANG" },
2.15 frystyk 267:    { "MULTIPLE" },         /* WSM bug fix, was SEVERAL */
2.1 timbl 268:    { "NAME" },
2.15 frystyk 269:    { "SIZE" },           /* WSM bug fix, missing */
2.1 timbl 270:    { 0 },
 271: };
 272: 
2.17 frystyk 273: PRIVATE attr tab_attr[HTML_TAB_ATTRIBUTES+1] = {
2.1 timbl 274:    { "ALIGN" },
 275:    { "AT" },
 276:    { 0 }
 277: };
 278: 
2.17 frystyk 279: PRIVATE attr table_attr[HTML_TABLE_ATTRIBUTES+1] = {
2.1 timbl 280:    { "BORDER" },
 281:    { "ID" },
 282:    { "INDEX" },
 283:    { "LANG" },
 284:    { 0 }
 285: };
 286: 
2.17 frystyk 287: PRIVATE attr td_attr[HTML_TD_ATTRIBUTES+1] = {
2.1 timbl 288:    { "ALIGN" },
 289:    { "COLSPAN" },
 290:    { "ROWSPAN" },
 291:    { "TAG" },
 292:    { 0 }
 293: };
 294: 
2.17 frystyk 295: PRIVATE attr textarea_attr[HTML_TEXTAREA_ATTRIBUTES+1] = {
2.1 timbl 296:    { "COLS" },
 297:    { "DISABLED" },
 298:    { "ERROR" },
 299:    { "LANG" },
 300:    { "NAME" },
 301:    { "ROWS" },
 302:    { 0 }
 303: };
 304: 
2.17 frystyk 305: PRIVATE attr ul_attr[HTML_UL_ATTRIBUTES+1] = {
2.1 timbl 306:    { "COMPACT" },
 307:    { "ID" },
 308:    { "INDEX" },
 309:    { "LANG" },
 310:    { "PLAIN" },
 311:    { "WRAP" },
 312:    { 0 }
 313: };
 314: 
 315: 
 316: /*   Elements
 317: **   --------
 318: **
 319: **   Must match definitions in HTMLPDTD.html!
 320: **   Must be in alphabetical order.
 321: **
 322: **   HTML is included to allow HTML documents to be parsed as a subset.
2.4 frystyk 323: **   TITLE is changed to type SGML_MIXED so it get parsed as well
 324: **   Henrik 08/03-94
2.1 timbl 325: **
 326: **  Name,  Attributes,       content
 327: */
2.17 frystyk 328: PRIVATE HTTag tags[HTMLP_ELEMENTS] = {
2.1 timbl 329:   { "A"   , a_attr,    HTML_A_ATTRIBUTES,   SGML_MIXED },
 330:   { "ABBREV" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 331:   { "ABSTRACT" , gen_attr,  HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 332:   { "ACRONYM"    , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 333:   { "ADDED" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 334:   { "ADDRESS"    , no_attr,   0,           SGML_MIXED },
 335:   { "ARG"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 336:   { "B"   , no_attr,   0,           SGML_MIXED },
 337:   { "BASE"  , base_attr,  HTML_BASE_ATTRIBUTES,  SGML_MIXED },
 338:   { "BLOCKQUOTE", no_attr,  0,           SGML_MIXED },
 339:   { "BODY"  , no_attr,   0,           SGML_MIXED },
 340:   { "BOX"  , no_attr,   0,           SGML_MIXED },
 341:   { "BR"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_EMPTY },
 342:   { "BYLINE" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 343:   { "CAPTION"    , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 344:   { "CHANGED"    , changed_attr, HTML_CHANGED_ATTRIBUTES, SGML_MIXED },
 345:   { "CITE"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 346:   { "CMD"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 347:   { "CODE"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 348:   { "COMMENT"    , no_attr,   0,           SGML_MIXED },
 349:   { "DD"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_EMPTY },
 350:   { "DFN"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 351:   { "DIR"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 352:   { "DL"   , glossary_attr,HTML_DL_ATTRIBUTES,   SGML_MIXED },
 353:   { "DT"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_EMPTY },
 354:   { "EM"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 355:   { "FIG"  , fig_attr,   HTML_FIG_ATTRIBUTES,  SGML_MIXED },
 356:   { "FOOTNOTE" , gen_attr,  HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 357:   { "FORM"  , form_attr,  HTML_FORM_ATTRIBUTES,  SGML_MIXED },
 358:   { "H1"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 359:   { "H2"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 360:   { "H3"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 361:   { "H4"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 362:   { "H5"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 363:   { "H6"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 364:   { "H7"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 365:   { "HEAD"  , no_attr,   0,           SGML_MIXED },
 366:   { "HR"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_EMPTY },
 367:   { "HTML"  , no_attr,   0,           SGML_MIXED }, /* */
2.2 timbl 368:   { "HTMLPLUS", htmlplus_attr,HTML_HTMLPLUS_ATTRIBUTES, SGML_MIXED },
2.1 timbl 369:   { "I"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 370:   { "IMAGE" , image_attr,  HTML_IMAGE_ATTRIBUTES, SGML_EMPTY },
2.7 frystyk 371:   { "IMG"   , img_attr,  HTML_IMG_ATTRIBUTES,  SGML_EMPTY },
2.1 timbl 372:   { "INPUT" , input_attr,  HTML_INPUT_ATTRIBUTES, SGML_EMPTY },
 373:   { "ISINDEX" , no_attr,   0,           SGML_EMPTY },
 374:   { "KBD"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 375:   { "L"   , l_attr,    HTML_L_ATTRIBUTES,   SGML_MIXED },
 376:   { "LI"   , li_attr,   HTML_LI_ATTRIBUTES,   SGML_EMPTY },
 377:   { "LINK"  , link_attr,  HTML_LINK_ATTRIBUTES,  SGML_EMPTY },
 378:   { "LISTING"    , no_attr,   0,           SGML_LITERAL },
 379:   { "LIT"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 380:   { "MARGIN" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 381:   { "MATH"  , id_attr,   HTML_ID_ATTRIBUTE,   SGML_MIXED },
 382:   { "MENU"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 383:   { "NEXTID" , nextid_attr, 1,           SGML_EMPTY },
 384:   { "NOTE"  , note_attr,  HTML_NOTE_ATTRIBUTES,  SGML_EMPTY },
 385:   { "OL"   , list_attr,  HTML_LIST_ATTRIBUTES,  SGML_MIXED },
2.8 timbl 386:   { "OPTION" , option_attr, HTML_OPTION_ATTRIBUTES, SGML_EMPTY },/*Mixed?*/
2.1 timbl 387:   { "OVER"  , no_attr,   0,           SGML_MIXED },
 388:   { "P"   , l_attr,    HTML_L_ATTRIBUTES,   SGML_EMPTY },
 389:   { "PERSON" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 390:   { "PLAINTEXT", no_attr,  0,           SGML_LITERAL },
 391:   { "PRE"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 392:   { "Q"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 393:   { "QUOTE" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 394:   { "RENDER" , render_attr, HTML_RENDER_ATTRIBUTES, SGML_MIXED },
 395:   { "REMOVED"    , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 396:   { "S"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 397:   { "SAMP"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 398:   { "SELECT" , select_attr, HTML_SELECT_ATTRIBUTES, SGML_MIXED },
 399:   { "STRONG" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 400:   { "SUB"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 401:   { "SUP"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 402:   { "TAB"  , tab_attr,   HTML_TAB_ATTRIBUTES,  SGML_EMPTY },
 403:   { "TABLE" , table_attr,  HTML_TABLE_ATTRIBUTES, SGML_MIXED },
 404:   { "TD"   , td_attr,   HTML_TABLE_ATTRIBUTES, SGML_MIXED },
 405:   { "TEXTAREA", textarea_attr,HTML_TEXTAREA_ATTRIBUTES,SGML_MIXED},
 406:   { "TH"   , td_attr,   HTML_TD_ATTRIBUTES,   SGML_MIXED },
2.4 frystyk 407:   { "TITLE" , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
2.1 timbl 408:   { "TR"   , id_attr,   HTML_ID_ATTRIBUTE,   SGML_MIXED },
 409:   { "TT"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 410:   { "U"   , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 411:   { "UL"   , ul_attr,   HTML_UL_ATTRIBUTES,   SGML_MIXED },
 412:   { "VAR"  , gen_attr,   HTML_GEN_ATTRIBUTES,  SGML_MIXED },
 413:   { "XMP"  , no_attr,   0,           SGML_LITERAL }
 414: };
 415: 
 416: 
2.19 ! frystyk 417: PUBLIC const SGML_dtd HTMLP_dtd = {
2.18 frystyk 418:   tags,
 419:   HTMLP_ELEMENTS,
 420:   entities,
 421:   sizeof(entities)/sizeof(char**)
2.1 timbl 422: };
 423: 
 424: /*   Utility Routine: useful for people building HTML objects */
 425: 
 426: /*   Start anchor element
 427: **   --------------------
 428: **
 429: **   It is kinda convenient to have a particulr routine for
 430: **   starting an anchor element, as everything else for HTML is
 431: **   simple anyway.
 432: */
 433: struct _HTStructured {
 434:   HTStructuredClass * isa;
 435:    /* ... */
 436: };
 437: 
2.17 frystyk 438: PUBLIC void HTStartAnchor (HTStructured * obj,
2.19 ! frystyk 439:        const char * name,
 ! 440:        const char * href)
2.1 timbl 441: {
 442:   BOOL        present[HTML_A_ATTRIBUTES];
2.19 ! frystyk 443:   const char*        value[HTML_A_ATTRIBUTES];
2.1 timbl 444:   
 445:   {
 446:    int i;
 447:    for(i=0; i<HTML_A_ATTRIBUTES; i++)
 448:      present[i] = NO;
 449:   }
 450:   if (name) {
 451:    present[HTML_A_NAME] = YES;
 452:    value[HTML_A_NAME] = name;
 453:   }
 454:   if (href) {
 455:     present[HTML_A_HREF] = YES;
 456:     value[HTML_A_HREF] = href;
 457:   }
 458:   
 459:   (*obj->isa->start_element)(obj, HTML_A , present, value);
 460: 
 461: }
 462: 
2.5 frystyk 463: /*   Utility Routine: useful for people building HTML objects */
 464: 
 465: /*   Put image element
 466: **   --------------------
 467: **
 468: **   Hopefully as usefull as HTStartAnchor. Henrik 23/03-94
 469: */
2.17 frystyk 470: PUBLIC void HTMLPutImg (HTStructured * obj,
2.19 ! frystyk 471:               const char * src,
 ! 472:               const char * alt,
 ! 473:               const char * align)
2.5 frystyk 474: {
 475:   BOOL        present[HTML_IMG_ATTRIBUTES];
2.19 ! frystyk 476:   const char*        value[HTML_IMG_ATTRIBUTES];
2.5 frystyk 477:   
 478:   {
 479:    int i;
 480:    for(i=0; i<HTML_IMG_ATTRIBUTES; i++)
 481:      present[i] = NO;
 482:   }
 483:   if (src) {
 484:    present[HTML_IMG_SRC] = YES;
 485:    value[HTML_IMG_SRC] = src;
 486:   }
 487:   if (alt) {
 488:     present[HTML_IMG_ALT] = YES;
 489:     value[HTML_IMG_ALT] = alt;
 490:   }
 491:   if (align) {
 492:     present[HTML_IMG_ALIGN] = YES;
 493:     value[HTML_IMG_ALIGN] = align;
 494:   }
 495:   (*obj->isa->start_element)(obj, HTML_IMG , present, value);
2.7 frystyk 496:   /* (*obj->isa->end_element)(obj, HTML_IMG); */
2.5 frystyk 497: }
 498: 
 499: 
2.17 frystyk 500: PUBLIC void HTNextID (HTStructured * obj,
2.19 ! frystyk 501:        const char *  next_one)
2.1 timbl 502: {
 503:   BOOL        present[HTML_NEXTID_ATTRIBUTES];
2.19 ! frystyk 504:   const char*        value[HTML_NEXTID_ATTRIBUTES];
2.1 timbl 505:   {
 506:    int i;
 507:    for(i=0; i<HTML_NEXTID_ATTRIBUTES; i++)
 508:      present[i] = NO;
 509:   }
 510:   present[HTML_NEXTID_N] = YES;
2.9 timbl 511:   value[HTML_NEXTID_N] = next_one;
2.1 timbl 512:   
 513:   (*obj->isa->start_element)(obj, HTML_NEXTID , present, value);
 514: 
 515: }

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