Annotation of Amaya/amaya/XHTMLbuilder.c, revision 1.86
1.1 cvs 1: /*
2: *
1.78 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2003
1.1 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
7:
8: /*
1.30 cvs 9: * XHTMLbuilder.c
1.23 cvs 10: * Builds the corresponding abstract tree for a Thot document of type HTML.
1.1 cvs 11: *
1.20 cvs 12: * Authors: L. Carcone
13: * V. Quint
1.1 cvs 14: */
15:
16: #define THOT_EXPORT extern
17: #include "amaya.h"
18: #include "css.h"
1.2 cvs 19: #include "parser.h"
20: #include "HTML.h"
1.30 cvs 21: #include "fetchHTMLname.h"
1.2 cvs 22:
1.13 cvs 23: #include "css_f.h"
1.76 vatton 24: #include "EDITstyle_f.h"
1.13 cvs 25: #include "fetchXMLname_f.h"
1.30 cvs 26: #include "fetchHTMLname_f.h"
1.22 cvs 27: #include "html2thot_f.h"
1.1 cvs 28: #include "HTMLactions_f.h"
29: #include "HTMLedit_f.h"
1.22 cvs 30: #include "HTMLform_f.h"
1.1 cvs 31: #include "HTMLimage_f.h"
32: #include "HTMLtable_f.h"
33: #include "HTMLimage_f.h"
34: #include "UIcss_f.h"
1.13 cvs 35: #include "styleparser_f.h"
1.2 cvs 36: #include "XHTMLbuilder_f.h"
1.13 cvs 37: #include "Xml2thot_f.h"
1.1 cvs 38:
1.30 cvs 39: #define MaxMsgLength 200
40:
1.47 cvs 41: /* Elements that cannot contain text as immediate children.
42: When some text is present in the HTML file it must be
43: surrounded by a Pseudo_paragraph element */
44: static int NoTextChild[] =
45: {
46: HTML_EL_Document, HTML_EL_HTML, HTML_EL_HEAD, HTML_EL_BODY,
47: HTML_EL_Definition_List, HTML_EL_Block_Quote, HTML_EL_Directory,
48: HTML_EL_Form, HTML_EL_Menu, HTML_EL_FIELDSET,
49: HTML_EL_Numbered_List, HTML_EL_Option_Menu,
50: HTML_EL_Unnumbered_List, HTML_EL_Definition, HTML_EL_List_Item,
51: HTML_EL_MAP, HTML_EL_map, HTML_EL_Applet,
52: HTML_EL_Object, HTML_EL_IFRAME, HTML_EL_NOFRAMES,
53: HTML_EL_Division, HTML_EL_Center, HTML_EL_NOSCRIPT,
54: HTML_EL_Data_cell, HTML_EL_Heading_cell,
55: 0};
56:
1.28 cvs 57: /* Define a pointer to let parser functions access the HTML entity table */
58: extern XmlEntity *pXhtmlEntityTable;
1.6 cvs 59:
1.30 cvs 60: /* maximum size of error messages */
61: #define MaxMsgLength 200
62:
1.6 cvs 63: /*----------------------------------------------------------------------
1.15 cvs 64: ParseCharset:
1.6 cvs 65: Parses the element HTTP-EQUIV and looks for the charset value.
66: ----------------------------------------------------------------------*/
1.30 cvs 67: void ParseCharset (Element el, Document doc)
68:
1.6 cvs 69: {
1.15 cvs 70: AttributeType attrType;
71: Attribute attr;
72: SSchema docSSchema;
73: CHARSET charset;
1.39 cvs 74: char *text, *text2, *ptrText, *str;
75: char charsetname[MAX_LENGTH];
1.15 cvs 76: int length;
1.6 cvs 77: int pos, index = 0;
78:
1.15 cvs 79: charset = TtaGetDocumentCharset (doc);
80: if (charset != UNDEFINED_CHARSET)
81: /* the charset was already defined by the http header */
82: return;
1.6 cvs 83:
84: docSSchema = TtaGetDocumentSSchema (doc);
85: attrType.AttrSSchema = docSSchema;
86: attrType.AttrTypeNum = HTML_ATTR_http_equiv;
87: attr = TtaGetAttribute (el, attrType);
88: if (attr != NULL)
89: {
90: /* There is a HTTP-EQUIV attribute */
91: length = TtaGetTextAttributeLength (attr);
92: if (length > 0)
93: {
1.37 cvs 94: text = TtaGetMemory (length + 1);
1.6 cvs 95: TtaGiveTextAttributeValue (attr, text, &length);
1.37 cvs 96: if (!strcasecmp (text, "content-type"))
1.6 cvs 97: {
98: attrType.AttrTypeNum = HTML_ATTR_meta_content;
99: attr = TtaGetAttribute (el, attrType);
100: if (attr != NULL)
101: {
102: length = TtaGetTextAttributeLength (attr);
103: if (length > 0)
104: {
1.37 cvs 105: text2 = TtaGetMemory (length + 1);
1.6 cvs 106: TtaGiveTextAttributeValue (attr, text2, &length);
107: ptrText = text2;
108: while (*ptrText)
109: {
1.53 vatton 110: *ptrText = tolower (*ptrText);
1.6 cvs 111: ptrText++;
112: }
113:
1.37 cvs 114: str = strstr (text2, "charset=");
1.6 cvs 115: if (str)
116: {
117: pos = str - text2 + 8;
1.37 cvs 118: while (text2[pos] != SPACE &&
119: text2[pos] != TAB && text2[pos] != EOS)
1.6 cvs 120: charsetname[index++] = text2[pos++];
1.37 cvs 121: charsetname[index] = EOS;
1.15 cvs 122: charset = TtaGetCharset (charsetname);
123: if (charset != UNDEFINED_CHARSET)
1.77 cvs 124: TtaSetDocumentCharset (doc, charset, FALSE);
1.6 cvs 125: }
126: TtaFreeMemory (text2);
127: }
128: }
129: }
130: TtaFreeMemory (text);
131: }
132: }
133: }
134:
1.23 cvs 135: /*----------------------------------------------------------------------
1.47 cvs 136: XhtmlCannotContainText
137: Return TRUE if element el is a block element.
138: ----------------------------------------------------------------------*/
139: ThotBool XhtmlCannotContainText (ElementType elType)
140:
141: {
142: int i;
143: ThotBool ret;
144:
145: if (strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
146: /* not an HTML element */
147: ret = TRUE;
148: else
149: {
150: ret = FALSE;
151: i = 0;
152: while (NoTextChild[i] > 0 && NoTextChild[i] != elType.ElTypeNum)
153: i++;
154: if (NoTextChild[i] == elType.ElTypeNum)
155: ret = TRUE;
156: }
157: return ret;
1.23 cvs 158: }
159:
1.6 cvs 160: /*----------------------------------------------------------------------
161: XhtmlElementComplete
1.20 cvs 162: Complete Xhtml elements.
1.6 cvs 163: Check its attributes and its contents.
164: ----------------------------------------------------------------------*/
1.72 cvs 165: void XhtmlElementComplete (ParserData *context, Element el, int *error)
1.30 cvs 166:
167: {
1.72 cvs 168: Document doc;
1.30 cvs 169: ElementType elType, newElType, childType;
170: Element constElem, child, desc, leaf, prev, next, last,
1.62 quint 171: elFrames, lastFrame, lastChild, parent, picture, content;
1.30 cvs 172: Attribute attr;
173: AttributeType attrType;
174: Language lang;
1.41 cvs 175: char *text;
1.39 cvs 176: char lastChar[2];
1.79 quint 177: char *name1, *data;
1.30 cvs 178: int length;
179: SSchema docSSchema;
1.62 quint 180: ThotBool isImage;
181: PresentationValue pval;
182: PresentationContext ctxt;
1.6 cvs 183:
184: *error = 0;
1.72 cvs 185: doc = context->doc;
1.6 cvs 186: docSSchema = TtaGetDocumentSSchema (doc);
187:
188: elType = TtaGetElementType (el);
189: /* is this a block-level element in a character-level element? */
1.56 cvs 190: if (!IsXMLElementInline (elType, doc) &&
1.24 cvs 191: elType.ElTypeNum != HTML_EL_Comment_ &&
192: elType.ElTypeNum != HTML_EL_XMLPI)
1.6 cvs 193: BlockInCharLevelElem (el);
194:
195: newElType.ElSSchema = elType.ElSSchema;
196: switch (elType.ElTypeNum)
197: {
1.62 quint 198: case HTML_EL_Object: /* it's an object */
1.79 quint 199: data = NULL;
1.62 quint 200: isImage = FALSE;
201: /* is there a type attribute on the object element? */
202: attrType.AttrSSchema = elType.ElSSchema;
203: attrType.AttrTypeNum = HTML_ATTR_Object_type;
1.6 cvs 204: attr = TtaGetAttribute (el, attrType);
1.62 quint 205: if (attr)
206: /* there is a type attribute. Get its value to see if the object
207: represents an image */
1.6 cvs 208: {
209: length = TtaGetTextAttributeLength (attr);
210: if (length > 0)
211: {
1.37 cvs 212: name1 = TtaGetMemory (length + 1);
1.6 cvs 213: TtaGiveTextAttributeValue (attr, name1, &length);
1.68 kahan 214: if (!strcmp (name1, AM_MATHML_MIME_TYPE) ||
1.62 quint 215: !strcmp (name1, "application/postscript") ||
216: !strcmp (name1, "image/x-bitmap") ||
217: !strcmp (name1, "image/x-xpixmap") ||
218: !strcmp (name1, "image/gif") ||
219: !strcmp (name1, "image/jpeg") ||
220: !strcmp (name1, "image/png") ||
1.67 kahan 221: !strcmp (name1, "image/svg") ||
1.83 cvs 222: !strcmp (name1, AM_SVG_MIME_TYPE) ||
223: !strcmp (name1, AM_XHTML_MIME_TYPE) ||
224: !strcmp (name1, "text/html") ||
225: !strcmp (name1, "text/htm") ||
226: !strcmp (name1, AM_GENERIC_XML_MIME_TYPE))
1.62 quint 227: isImage = TRUE;
228: TtaFreeMemory (name1);
229: }
230: }
1.79 quint 231:
232: attrType.AttrTypeNum = HTML_ATTR_data;
233: attr = TtaGetAttribute (el, attrType);
234: if (attr)
235: /* the object has a data attribute */
236: {
237: length = TtaGetTextAttributeLength (attr);
238: if (length > 0)
239: {
240: data = TtaGetMemory (length + 1);
241: TtaGiveTextAttributeValue (attr, data, &length);
242: if (!isImage)
243: if (!strcmp (&data[length-3], "mml") ||
244: !strcmp (&data[length-3], "gif") ||
245: !strcmp (&data[length-3], "jpg") ||
246: !strcmp (&data[length-4], "jpeg") ||
247: !strcmp (&data[length-3], "png") ||
248: !strcmp (&data[length-3], "svg") ||
1.80 cvs 249: !strcmp (&data[length-4], "svgz") ||
1.83 cvs 250: !strcmp (&data[length-3], "htm") ||
251: !strcmp (&data[length-4], "html") ||
252: !strcmp (&data[length-3], "xml"))
1.79 quint 253: isImage = TRUE;
254: }
255: }
1.62 quint 256: picture = NULL; /* no PICTURE element yet */
257: child = TtaGetFirstChild (el);
258: if (isImage)
259: /* the object represents an image. We need a PICTURE element as
260: child of the object to hold the image */
261: {
262: if (child)
263: {
264: elType = TtaGetElementType (child);
265: if (elType.ElTypeNum == HTML_EL_PICTURE_UNIT)
266: /* there is already a PICTURE element */
267: picture = child;
268: }
1.79 quint 269: /* if the object element has no PICTURE element as its first child
1.62 quint 270: create one */
271: if (!picture)
272: {
273: elType.ElTypeNum = HTML_EL_PICTURE_UNIT;
274: picture = TtaNewTree (doc, elType, "");
275: if (child)
276: TtaInsertSibling (picture, child, TRUE, doc);
277: else
278: TtaInsertFirstChild (&picture, el, doc);
279: child = picture;
280: }
281: /* copy attribute data of the object into the SRC attribute of
282: the PICTURE element */
1.79 quint 283: if (data)
284: /* the object has a data attribute */
285: {
286: attrType.AttrTypeNum = HTML_ATTR_SRC;
287: attr = TtaGetAttribute (picture, attrType);
288: if (attr == NULL)
289: {
290: attr = TtaNewAttribute (attrType);
291: TtaAttachAttribute (picture, attr, doc);
292: }
293: TtaSetAttributeText (attr, data, picture, doc);
294: }
295: attrType.AttrTypeNum = HTML_ATTR_Height_;
1.62 quint 296: attr = TtaGetAttribute (el, attrType);
297: if (attr)
1.79 quint 298: /* the Object has a height attribute. Applies it to the
299: picture element */
300: {
301: length = TtaGetTextAttributeLength (attr);
302: if (length > 0)
303: {
304: text = TtaGetMemory (length + 1);
305: TtaGiveTextAttributeValue (attr, text, &length);
306: /* create the corresponding attribute IntHeightPercent or */
307: /* IntHeightPxl */
308: CreateAttrHeightPercentPxl (text, el, doc, -1);
309: TtaFreeMemory (text);
310: }
311: }
312: attrType.AttrTypeNum = HTML_ATTR_Width__;
313: attr = TtaGetAttribute (el, attrType);
314: if (attr)
315: /* the Object has a width attribute. Applies it to the
316: picture element */
1.62 quint 317: {
318: length = TtaGetTextAttributeLength (attr);
319: if (length > 0)
1.6 cvs 320: {
1.79 quint 321: text = TtaGetMemory (length + 1);
322: TtaGiveTextAttributeValue (attr, text, &length);
323: /* create the corresponding attribute IntWidthPercent or */
324: /* IntWidthPxl */
325: CreateAttrWidthPercentPxl (text, el, doc, -1);
326: TtaFreeMemory (text);
1.6 cvs 327: }
328: }
329: }
330: /* is the Object_Content element already created ? */
1.62 quint 331: if (child)
332: /* the object element has at least 1 child element */
333: {
334: content = NULL;
335: desc = child;
1.6 cvs 336: elType = TtaGetElementType (desc);
1.62 quint 337: if (elType.ElTypeNum != HTML_EL_Object_Content)
338: {
339: TtaNextSibling(&desc);
340: if (desc)
341: elType = TtaGetElementType (desc);
342: }
343: /* is it the Object_Content element ? */
344: if (elType.ElTypeNum == HTML_EL_Object_Content)
345: content = desc;
346: else
1.6 cvs 347: {
1.62 quint 348: /* create an Object_Content element */
349: elType.ElTypeNum = HTML_EL_Object_Content;
350: content = TtaNewElement (doc, elType);
351: if (picture)
352: TtaInsertSibling (content, picture, FALSE, doc);
353: else
354: TtaInsertSibling (content, child, TRUE, doc);
355: /* move previous existing children into Object_Content */
1.6 cvs 356: child = TtaGetLastChild(el);
1.62 quint 357: while (child != content)
358: {
359: TtaRemoveTree (child, doc);
360: TtaInsertFirstChild (&child, content, doc);
361: child = TtaGetLastChild(el);
362: }
363: }
364: if (picture && content)
365: /* there is a picture element. The Object_Content must not be
366: displayed in the main view */
367: {
368: ctxt = TtaGetSpecificStyleContext (doc);
369: /* the presentation rule to be set is not a CSS rule */
370: ctxt->cssSpecificity = 0;
371: ctxt->destroy = FALSE;
1.85 vatton 372: pval.typed_data.unit = UNIT_PX;
1.62 quint 373: pval.typed_data.value = 0;
374: pval.typed_data.real = FALSE;
375: TtaSetStylePresentation (PRVisibility, content, NULL, ctxt, pval);
1.6 cvs 376: }
377: }
1.79 quint 378: if (data)
379: TtaFreeMemory (data);
1.6 cvs 380: break;
1.62 quint 381:
1.6 cvs 382: case HTML_EL_Unnumbered_List:
383: case HTML_EL_Numbered_List:
384: case HTML_EL_Menu:
385: case HTML_EL_Directory:
386: /* It's a List element. It should only have List_Item children.
387: If it has List element chidren, move these List elements
388: within their previous List_Item sibling. This is to fix
389: a bug in document generated by Mozilla. */
390: prev = NULL;
391: next = NULL;
392: child = TtaGetFirstChild (el);
393: while (child != NULL)
394: {
395: next = child;
396: TtaNextSibling (&next);
397: elType = TtaGetElementType (child);
398: if (elType.ElTypeNum == HTML_EL_Unnumbered_List ||
399: elType.ElTypeNum == HTML_EL_Numbered_List ||
400: elType.ElTypeNum == HTML_EL_Menu ||
401: elType.ElTypeNum == HTML_EL_Directory)
402: /* this list element is a child of another list element */
403: if (prev)
404: {
405: elType = TtaGetElementType (prev);
406: if (elType.ElTypeNum == HTML_EL_List_Item)
407: {
408: /* get the last child of the previous List_Item */
409: desc = TtaGetFirstChild (prev);
410: last = NULL;
411: while (desc)
412: {
413: last = desc;
414: TtaNextSibling (&desc);
415: }
416: /* move the list element after the last child of the
417: previous List_Item */
418: TtaRemoveTree (child, doc);
419: if (last)
420: TtaInsertSibling (child, last, FALSE, doc);
421: else
422: TtaInsertFirstChild (&child, prev, doc);
423: child = prev;
424: }
425: }
426: prev = child;
427: child = next;
428: }
429: break;
430:
431: case HTML_EL_FRAMESET:
432: /* The FRAMESET element is now complete. Gather all its FRAMESET
433: and FRAME children and wrap them up in a Frames element */
434: elFrames = NULL; lastFrame = NULL;
435: lastChild = NULL;
436: child = TtaGetFirstChild (el);
437: while (child != NULL)
438: {
439: next = child;
440: TtaNextSibling (&next);
441: elType = TtaGetElementType (child);
442: if (elType.ElTypeNum == HTML_EL_FRAMESET ||
443: elType.ElTypeNum == HTML_EL_FRAME ||
444: elType.ElTypeNum == HTML_EL_Comment_)
445: {
446: /* create the Frames element if it does not exist */
447: if (elFrames == NULL)
448: {
449: newElType.ElSSchema = docSSchema;
450: newElType.ElTypeNum = HTML_EL_Frames;
451: elFrames = TtaNewElement (doc, newElType);
1.63 cvs 452: if (DocumentMeta[doc]->xmlformat)
453: XmlSetElemLineNumber (elFrames);
454: else
455: SetHtmlElemLineNumber (elFrames);
1.6 cvs 456: TtaInsertSibling (elFrames, child, TRUE, doc);
457: }
458: /* move the element as the last child of the Frames element */
459: TtaRemoveTree (child, doc);
460: if (lastFrame == NULL)
461: TtaInsertFirstChild (&child, elFrames, doc);
462: else
463: TtaInsertSibling (child, lastFrame, FALSE, doc);
464: lastFrame = child;
465: }
466: child = next;
467: }
468: break;
469:
470: case HTML_EL_Input: /* it's an INPUT without any TYPE attribute */
471: /* Create a child of type Text_Input */
472: elType.ElTypeNum = HTML_EL_Text_Input;
473: child = TtaNewTree (doc, elType, "");
1.63 cvs 474: if (DocumentMeta[doc]->xmlformat)
475: XmlSetElemLineNumber (child);
476: else
477: SetHtmlElemLineNumber (child);
1.6 cvs 478: TtaInsertFirstChild (&child, el, doc);
479: /* now, process it like a Text_Input element */
480:
481: case HTML_EL_Text_Input:
482: case HTML_EL_Password_Input:
483: case HTML_EL_File_Input:
484: /* get element Inserted_Text */
485: child = TtaGetFirstChild (el);
486: if (child != NULL)
487: {
488: attrType.AttrSSchema = docSSchema;
489: attrType.AttrTypeNum = HTML_ATTR_Value_;
490: attr = TtaGetAttribute (el, attrType);
491: if (attr != NULL)
492: {
493: /* copy the value of attribute "value" into the first text
494: leaf of element */
495: length = TtaGetTextAttributeLength (attr);
496: if (length > 0)
497: {
498: /* get the text leaf */
499: leaf = TtaGetFirstChild (child);
500: if (leaf != NULL)
501: {
502: childType = TtaGetElementType (leaf);
503: if (childType.ElTypeNum == HTML_EL_TEXT_UNIT)
504: {
505: /* copy attribute value into the text leaf */
1.37 cvs 506: text = TtaGetMemory (length + 1);
1.6 cvs 507: TtaGiveTextAttributeValue (attr, text, &length);
508: TtaSetTextContent (leaf, text,
509: TtaGetDefaultLanguage (), doc);
510: TtaFreeMemory (text);
511: }
512: }
513: }
514: }
515: }
516: break;
517:
518: case HTML_EL_META:
1.15 cvs 519: ParseCharset (el, doc);
1.6 cvs 520: break;
521:
522: case HTML_EL_STYLE_: /* it's a STYLE element */
1.60 vatton 523: case HTML_EL_SCRIPT_: /* it's a SCRIPT element */
1.6 cvs 524: case HTML_EL_Preformatted: /* it's a PRE */
525: /* if the last line of the Preformatted is empty, remove it */
526: leaf = XmlLastLeafInElement (el);
527: if (leaf != NULL)
528: {
529: elType = TtaGetElementType (leaf);
530: if (elType.ElTypeNum == HTML_EL_TEXT_UNIT)
531: /* the last leaf is a TEXT element */
532: {
533: length = TtaGetTextLength (leaf);
534: if (length > 0)
535: {
536: TtaGiveSubString (leaf, lastChar, length, 1);
537: if (lastChar[0] == EOL)
538: /* last character is new line, delete it */
539: {
540: if (length == 1)
541: /* empty TEXT element */
542: TtaDeleteTree (leaf, doc);
543: else
544: /* remove the last character */
545: TtaDeleteTextContent (leaf, length, 1, doc);
546: }
547: }
548: }
549: }
1.75 kahan 550: if (DocumentMeta[doc] && DocumentMeta[doc]->xmlformat)
1.63 cvs 551: {
552: if (IsXmlParsingCSS ())
553: {
554: text = GetStyleContents (el);
555: if (text)
556: {
1.71 vatton 557: ReadCSSRules (doc, NULL, text, NULL,
1.82 quint 558: TtaGetElementLineNumber (el), FALSE, el);
1.63 cvs 559: TtaFreeMemory (text);
560: }
561: SetXmlParsingCSS (FALSE);
562: }
563: }
564: else
1.6 cvs 565: {
1.63 cvs 566: if (IsHtmlParsingCSS ())
1.6 cvs 567: {
1.63 cvs 568: text = GetStyleContents (el);
569: if (text)
570: {
1.71 vatton 571: ReadCSSRules (doc, NULL, text, NULL,
1.82 quint 572: TtaGetElementLineNumber (el), FALSE, el);
1.63 cvs 573: TtaFreeMemory (text);
574: }
575: SetHtmlParsingCSS (FALSE);
1.6 cvs 576: }
577: }
578: /* and continue as if it were a Preformatted or a Script */
579: break;
580:
581: case HTML_EL_Text_Area: /* it's a Text_Area */
1.69 cvs 582: if (DocumentMeta[doc]->xmlformat)
583: SetParsingTextArea (FALSE);
584: else
585: SetHtmlParsingTextArea (FALSE);
1.6 cvs 586: child = TtaGetFirstChild (el);
587: if (child == NULL)
588: /* it's an empty Text_Area */
589: /* insert a Inserted_Text element in the element */
590: {
591: newElType.ElTypeNum = HTML_EL_Inserted_Text;
592: child = TtaNewTree (doc, newElType, "");
593: TtaInsertFirstChild (&child, el, doc);
594: }
595: else
596: {
597: /* save the text into Default_Value attribute */
598: attrType.AttrSSchema = docSSchema;
599: attrType.AttrTypeNum = HTML_ATTR_Default_Value;
600: if (TtaGetAttribute (el, attrType) == NULL)
601: /* attribute Default_Value is missing */
602: {
603: attr = TtaNewAttribute (attrType);
604: TtaAttachAttribute (el, attr, doc);
605: desc = TtaGetFirstChild (child);
606: length = TtaGetTextLength (desc) + 1;
1.37 cvs 607: text = TtaGetMemory (length);
1.6 cvs 608: TtaGiveTextContent (desc, text, &length, &lang);
609: TtaSetAttributeText (attr, text, el, doc);
610: TtaFreeMemory (text);
611: }
612: }
613: /* insert a Frame element */
614: newElType.ElTypeNum = HTML_EL_Frame;
615: constElem = TtaNewTree (doc, newElType, "");
616: TtaInsertSibling (constElem, child, FALSE, doc);
617: break;
618:
619: case HTML_EL_Radio_Input:
620: case HTML_EL_Checkbox_Input:
621: /* put an attribute Checked if it is missing */
622: attrType.AttrSSchema = docSSchema;
623: attrType.AttrTypeNum = HTML_ATTR_Checked;
624: if (TtaGetAttribute (el, attrType) == NULL)
625: /* attribute Checked is missing */
626: {
627: attr = TtaNewAttribute (attrType);
628: TtaAttachAttribute (el, attr, doc);
629: TtaSetAttributeValue (attr, HTML_ATTR_Checked_VAL_No_, el, doc);
630: }
631: break;
632:
633: case HTML_EL_Option_Menu:
634: /* Check that at least one option has a SELECTED attribute */
635: OnlyOneOptionSelected (el, doc, TRUE);
636: break;
637:
638: case HTML_EL_PICTURE_UNIT:
639: break;
640:
641: case HTML_EL_LINK:
642: CheckCSSLink (el, doc, docSSchema);
643: break;
644:
645: case HTML_EL_Data_cell:
646: case HTML_EL_Heading_cell:
647: /* insert a pseudo paragraph into empty cells */
648: child = TtaGetFirstChild (el);
649: if (child == NULL)
650: {
651: elType.ElTypeNum = HTML_EL_Pseudo_paragraph;
652: child = TtaNewTree (doc, elType, "");
653: if (child != NULL)
654: TtaInsertFirstChild (&child, el, doc);
655: }
656:
1.80 cvs 657: /* detect whether we are parsing a whole table or just a cell */
1.63 cvs 658: if (DocumentMeta[doc]->xmlformat)
659: {
660: if (IsWithinXmlTable ())
661: NewCell (el, doc, FALSE);
662: }
663: else
664: {
665: if (IsWithinHtmlTable ())
666: NewCell (el, doc, FALSE);
667: }
1.6 cvs 668: break;
669:
670: case HTML_EL_Table:
671: CheckTable (el, doc);
672: SubWithinTable ();
673: break;
674:
675: case HTML_EL_TITLE:
676: /* show the TITLE in the main window */
677: UpdateTitle (el, doc);
678: break;
1.41 cvs 679:
680: case HTML_EL_rbc:
681: /* an rbc element has been read. Its parent should be a complex_ruby.
682: Change the type of the parent, as simple_ruby are created by
683: default */
684: parent = TtaGetParent (el);
685: if (parent)
686: {
687: newElType = TtaGetElementType (parent);
688: if (newElType.ElSSchema == elType.ElSSchema &&
689: newElType.ElTypeNum == HTML_EL_simple_ruby)
690: ChangeElementType (parent, HTML_EL_complex_ruby);
691: }
692: break;
693:
694: case HTML_EL_rtc1:
695: /* an rtc element has been parsed. If it has already a rtc1 sibling,
696: change its type to rtc2 */
697: prev = el;
698: do
699: {
700: TtaPreviousSibling(&prev);
701: if (prev)
702: {
703: newElType = TtaGetElementType (prev);
704: if (newElType.ElSSchema == elType.ElSSchema &&
705: newElType.ElTypeNum == HTML_EL_rtc1)
706: {
707: ChangeElementType (el, HTML_EL_rtc2);
708: prev = NULL;
709: }
710: }
711: }
712: while (prev);
713: break;
714:
1.6 cvs 715: default:
716: break;
717: }
718: }
1.1 cvs 719:
720: /*----------------------------------------------------------------------
1.30 cvs 721: PutInContent
722: Put the string ChrString in the leaf of current element.
723: ----------------------------------------------------------------------*/
1.39 cvs 724: Element PutInContent (char *ChrString, ParserData *context)
1.30 cvs 725:
726: {
727: Element el, child;
728: ElementType elType;
729: int length;
730:
731: el = NULL;
732: if (context->lastElement != NULL)
733: {
734: /* search first leaf of current element */
735: el = context->lastElement;
736: do
737: {
738: child = TtaGetFirstChild (el);
739: if (child != NULL)
740: el = child;
741: }
742: while (child != NULL);
743: elType = TtaGetElementType (el);
744: length = 0;
745: if (elType.ElTypeNum == 1)
746: length = TtaGetTextLength (el);
747: if (length == 0)
748: TtaSetTextContent (el, ChrString, context->language, context->doc);
749: else
750: TtaAppendTextContent (el, ChrString, context->doc);
751: }
752: return el;
753: }
754:
755: /*----------------------------------------------------------------------
1.51 cvs 756: UnknownXhtmlNameSpace
1.65 cvs 757: The element doesn't belong to a supported namespace
1.51 cvs 758: ----------------------------------------------------------------------*/
1.65 cvs 759: void UnknownXhtmlNameSpace (ParserData *context,
760: Element *unknownEl,
761: char* content)
1.51 cvs 762: {
763: ElementType elType;
1.65 cvs 764: Element elText;
1.51 cvs 765:
766: /* Create a new Invalid_element */
767: elType.ElSSchema = GetXMLSSchema (XHTML_TYPE, context->doc);
768: elType.ElTypeNum = HTML_EL_Unknown_namespace;
1.65 cvs 769: *unknownEl = TtaNewElement (context->doc, elType);
770: if (*unknownEl != NULL)
1.51 cvs 771: {
1.65 cvs 772: XmlSetElemLineNumber (*unknownEl);
773: InsertXmlElement (unknownEl);
1.51 cvs 774: context->lastElementClosed = TRUE;
775: elType.ElTypeNum = HTML_EL_TEXT_UNIT;
776: elText = TtaNewElement (context->doc, elType);
777: XmlSetElemLineNumber (elText);
1.65 cvs 778: TtaInsertFirstChild (&elText, *unknownEl, context->doc);
1.51 cvs 779: TtaSetTextContent (elText, content, context->language, context->doc);
780: TtaSetAccessRight (elText, ReadOnly, context->doc);
781: }
782: }
783:
784: /*----------------------------------------------------------------------
1.30 cvs 785: CreateHTMLAttribute
786: create an attribute of type attrType for the element el.
787: ----------------------------------------------------------------------*/
788: void CreateHTMLAttribute (Element el,
789: AttributeType attrType,
1.46 cvs 790: char* text,
1.30 cvs 791: ThotBool isInvalid,
792: Document doc,
793: Attribute *lastAttribute,
794: Element *lastAttrElement)
795:
796: {
797: int attrKind;
798: int length;
1.39 cvs 799: char *buffer;
1.30 cvs 800: Attribute attr, oldAttr;
801:
802: if (attrType.AttrTypeNum != 0)
803: {
804: oldAttr = TtaGetAttribute (el, attrType);
805: if (oldAttr != NULL)
806: /* this attribute already exists */
807: attr = oldAttr;
808: else
809: /* create a new attribute and attach it to the element */
810: {
811: attr = TtaNewAttribute (attrType);
812: TtaAttachAttribute (el, attr, doc);
813: }
814: *lastAttribute = attr;
815: *lastAttrElement = el;
816:
817: TtaGiveAttributeType (attr, &attrType, &attrKind);
818: if (attrKind == 0) /* enumerate */
819: TtaSetAttributeValue (attr, 1, el, doc);
820:
821: /* attribute BORDER without any value (ThotBool attribute) is */
822: /* considered as BORDER=1 */
823: if (attrType.AttrTypeNum == HTML_ATTR_Border)
824: TtaSetAttributeValue (attr, 1, el, doc);
825:
826: if (isInvalid)
827: /* Copy the name of the invalid attribute as the content */
828: /* of the Invalid_attribute attribute. */
829: {
1.37 cvs 830: length = strlen (text) + 2;
1.30 cvs 831: length += TtaGetTextAttributeLength (attr);
1.37 cvs 832: buffer = TtaGetMemory (length + 1);
1.30 cvs 833: TtaGiveTextAttributeValue (attr, buffer, &length);
1.37 cvs 834: strcat (buffer, " ");
835: strcat (buffer, text);
1.30 cvs 836: TtaSetAttributeText (attr, buffer, el, doc);
837: TtaFreeMemory (buffer);
838: }
839: }
840: }
841:
842: /*----------------------------------------------------------------------
843: HTMLTypeAttrValue
844: Value val has been read for the HTML attribute TYPE.
845: Create a child for the current Thot element INPUT accordingly.
846: ----------------------------------------------------------------------*/
1.46 cvs 847: void HTMLTypeAttrValue (char *val,
1.30 cvs 848: Attribute lastAttribute,
849: Element lastAttrElement,
850: ParserData *context)
851:
852: {
853: ElementType elType;
854: Element newChild;
855: AttributeType attrType;
856: Attribute attr;
1.39 cvs 857: char msgBuffer[MaxMsgLength];
1.30 cvs 858: int value;
859: int numberOfLinesRead;
860:
861: value = MapAttrValue (DummyAttribute, val);
862: if (value < 0)
863: {
1.37 cvs 864: if (strlen (val) > MaxMsgLength - 40)
865: val[MaxMsgLength - 40] = EOS;
866: sprintf (msgBuffer, "Unknown attribute value \"type = %s\"", val);
1.42 cvs 867: HTMLParseError (context->doc, msgBuffer);
1.30 cvs 868: attrType.AttrSSchema = TtaGetDocumentSSchema (context->doc);
869: attrType.AttrTypeNum = pHTMLAttributeMapping[0].ThotAttribute;
1.37 cvs 870: sprintf (msgBuffer, "type=%s", val);
1.30 cvs 871: CreateHTMLAttribute (context->lastElement, attrType, msgBuffer, TRUE,
872: context->doc, &lastAttribute, &lastAttrElement);
873: }
874: else
875: {
876: elType = TtaGetElementType (context->lastElement);
877: if (elType.ElTypeNum != HTML_EL_Input)
878: {
1.37 cvs 879: if (strlen (val) > MaxMsgLength - 40)
880: val[MaxMsgLength - 40] = EOS;
881: sprintf (msgBuffer, "Duplicate attribute \"type = %s\"", val);
1.30 cvs 882: }
883: else
884: {
885: elType.ElSSchema = TtaGetDocumentSSchema (context->doc);
886: elType.ElTypeNum = value;
887: newChild = TtaNewTree (context->doc, elType, "");
888: numberOfLinesRead = 0;
889: TtaSetElementLineNumber (newChild, numberOfLinesRead);
890: TtaInsertFirstChild (&newChild, context->lastElement, context->doc);
891: if (value == HTML_EL_PICTURE_UNIT)
892: {
893: /* add the attribute IsInput to input pictures */
894: attrType.AttrSSchema = elType.ElSSchema;
895: attrType.AttrTypeNum = HTML_ATTR_IsInput;
896: attr = TtaNewAttribute (attrType);
897: TtaAttachAttribute (newChild, attr, context->doc);
898: }
899: }
900: }
901: }
902:
903: /*----------------------------------------------------------------------
904: XhtmlTypeAttrValue
905: Value val has been read for the HTML attribute TYPE.
906: Create a child for the current Thot element INPUT accordingly.
907: ----------------------------------------------------------------------*/
1.46 cvs 908: void XhtmlTypeAttrValue (char *val,
1.30 cvs 909: Attribute currentAttribute,
910: Element lastAttrElement,
911: ParserData *context)
912:
913: {
914: ElementType elType;
915: Element newChild;
916: AttributeType attrType;
917: Attribute attr;
1.39 cvs 918: char msgBuffer[MaxMsgLength];
1.30 cvs 919: int value;
920: ThotBool level;
921:
922: attrType.AttrTypeNum = DummyAttribute;
923: MapHTMLAttributeValue (val, attrType, &value);
924: if (value < 0)
925: {
1.37 cvs 926: sprintf (msgBuffer, "Unknown attribute value \"type=%s\"", val);
1.30 cvs 927: XmlParseError (errorParsing, msgBuffer, 0);
1.36 cvs 928: MapHTMLAttribute ("unknown_attr", &attrType, NULL,
1.30 cvs 929: &level, context->doc);
1.37 cvs 930: sprintf (msgBuffer, "type=%s", val);
1.30 cvs 931: CreateHTMLAttribute (context->lastElement, attrType, msgBuffer, TRUE,
932: context->doc, ¤tAttribute, &lastAttrElement);
933: }
934: else
935: {
936: elType = TtaGetElementType (context->lastElement);
937: if (elType.ElTypeNum != HTML_EL_Input)
938: {
1.37 cvs 939: sprintf (msgBuffer, "Duplicate attribute \"type = %s\"", val);
1.30 cvs 940: XmlParseError (errorParsing, msgBuffer, 0);
941: }
942: else
943: {
944: elType.ElTypeNum = value;
945: newChild = TtaNewTree (context->doc, elType, "");
946: XmlSetElemLineNumber (newChild);
947: TtaInsertFirstChild (&newChild, context->lastElement, context->doc);
948: if (value == HTML_EL_PICTURE_UNIT)
949: {
950: /* add the attribute IsInput to input pictures */
951: attrType.AttrSSchema = elType.ElSSchema;
952: attrType.AttrTypeNum = HTML_ATTR_IsInput;
953: attr = TtaNewAttribute (attrType);
954: TtaAttachAttribute (newChild, attr, context->doc);
955: }
956: }
957: }
958: }
959:
960: /*----------------------------------------------------------------------
961: CreateAttrWidthPercentPxl
1.79 quint 962: an HTML attribute "width" has been created for a Table, an image,
963: an Object of a HR.
1.30 cvs 964: Create the corresponding attribute IntWidthPercent or IntWidthPxl.
965: oldWidth is -1 or the old image width.
966: ----------------------------------------------------------------------*/
1.58 vatton 967: void CreateAttrWidthPercentPxl (char *buffer, Element el,
968: Document doc, int oldWidth)
1.30 cvs 969: {
970: AttributeType attrTypePxl, attrTypePercent;
971: Attribute attrOld, attrNew;
972: int length, val;
1.39 cvs 973: char msgBuffer[MaxMsgLength];
1.79 quint 974: ElementType elType, childType;
975: Element origEl, child;
1.30 cvs 976: int w, h;
977: ThotBool isImage;
978:
1.79 quint 979: origEl = el;
1.30 cvs 980: elType = TtaGetElementType (el);
981: isImage = (elType.ElTypeNum == HTML_EL_PICTURE_UNIT ||
982: elType.ElTypeNum == HTML_EL_Data_cell ||
1.79 quint 983: elType.ElTypeNum == HTML_EL_Heading_cell ||
984: elType.ElTypeNum == HTML_EL_Object);
985: if (elType.ElTypeNum == HTML_EL_Object)
986: /* the width attribute is attached to an Object element */
987: {
988: child = TtaGetFirstChild (el);
989: if (child)
990: {
991: childType = TtaGetElementType (child);
992: if (childType.ElTypeNum == HTML_EL_PICTURE_UNIT)
993: /* the Object element is of type image. apply the width
994: attribute to the actual image element */
995: el = child;
996: }
997: }
1.30 cvs 998: /* remove trailing spaces */
1.37 cvs 999: length = strlen (buffer) - 1;
1.30 cvs 1000: while (length > 0 && buffer[length] <= SPACE)
1001: length--;
1002: attrTypePxl.AttrSSchema = TtaGetDocumentSSchema (doc);
1003: attrTypePercent.AttrSSchema = TtaGetDocumentSSchema (doc);
1004: attrTypePxl.AttrTypeNum = HTML_ATTR_IntWidthPxl;
1005: attrTypePercent.AttrTypeNum = HTML_ATTR_IntWidthPercent;
1006: /* is the last character a '%' ? */
1007: if (buffer[length] == '%')
1008: {
1009: /* remove IntWidthPxl */
1010: attrOld = TtaGetAttribute (el, attrTypePxl);
1011: /* update IntWidthPercent */
1012: attrNew = TtaGetAttribute (el, attrTypePercent);
1013: if (attrNew == NULL)
1014: {
1015: attrNew = TtaNewAttribute (attrTypePercent);
1016: TtaAttachAttribute (el, attrNew, doc);
1017: }
1018: else if (isImage && oldWidth == -1)
1019: {
1020: if (attrOld == NULL)
1021: oldWidth = TtaGetAttributeValue (attrNew);
1022: else
1023: oldWidth = TtaGetAttributeValue (attrOld);
1024: }
1025: }
1026: else
1027: {
1028: /* remove IntWidthPercent */
1029: attrOld = TtaGetAttribute (el, attrTypePercent);
1030: /* update IntWidthPxl */
1031: attrNew = TtaGetAttribute (el, attrTypePxl);
1032: if (attrNew == NULL)
1033: {
1034: attrNew = TtaNewAttribute (attrTypePxl);
1035: TtaAttachAttribute (el, attrNew, doc);
1036: }
1037: else if (isImage && oldWidth == -1)
1038: {
1039: TtaGiveBoxSize (el, doc, 1, UnPixel, &w, &h);
1040: if (attrOld == NULL)
1041: oldWidth = w * TtaGetAttributeValue (attrNew) / 100;
1042: else
1043: oldWidth = w * TtaGetAttributeValue (attrOld) / 100;
1044: }
1045: }
1046:
1047: if (attrOld != NULL)
1048: TtaRemoveAttribute (el, attrOld, doc);
1.43 cvs 1049: if (sscanf (buffer, "%d", &val))
1.30 cvs 1050: TtaSetAttributeValue (attrNew, val, el, doc);
1051: else
1052: /* its not a number. Delete attribute and send an error message */
1053: {
1054: TtaRemoveAttribute (el, attrNew, doc);
1.37 cvs 1055: if (strlen (buffer) > MaxMsgLength - 30)
1.30 cvs 1056: buffer[MaxMsgLength - 30] = EOS;
1.37 cvs 1057: sprintf (msgBuffer, "Invalid attribute value \"%s\"", buffer);
1.42 cvs 1058: HTMLParseError (doc, msgBuffer);
1.30 cvs 1059: }
1060: if (isImage)
1.79 quint 1061: UpdateImageMap (origEl, doc, oldWidth, -1);
1.30 cvs 1062: }
1063:
1064: /*----------------------------------------------------------------------
1.58 vatton 1065: CreateAttrHeightPercentPxl
1.79 quint 1066: an HTML attribute "width" has been created for a Table, an image,
1067: an Object or a HR.
1.58 vatton 1068: Create the corresponding attribute IntHeightPercent or IntHeightPxl.
1069: oldHeight is -1 or the old image width.
1070: ----------------------------------------------------------------------*/
1071: void CreateAttrHeightPercentPxl (char *buffer, Element el,
1072: Document doc, int oldHeight)
1073: {
1074: AttributeType attrTypePxl, attrTypePercent;
1075: Attribute attrOld, attrNew;
1076: int length, val;
1077: char msgBuffer[MaxMsgLength];
1.79 quint 1078: ElementType elType, childType;
1079: Element origEl, child;
1.58 vatton 1080: int w, h;
1081: ThotBool isImage;
1082:
1.79 quint 1083: origEl = el;
1.58 vatton 1084: elType = TtaGetElementType (el);
1085: isImage = (elType.ElTypeNum == HTML_EL_PICTURE_UNIT ||
1086: elType.ElTypeNum == HTML_EL_Data_cell ||
1.79 quint 1087: elType.ElTypeNum == HTML_EL_Heading_cell ||
1088: elType.ElTypeNum == HTML_EL_Object);
1089: if (elType.ElTypeNum == HTML_EL_Object)
1090: /* the height attribute is attached to an Object element */
1091: {
1092: child = TtaGetFirstChild (el);
1.81 cvs 1093: if (!child)
1094: return;
1095: else
1.79 quint 1096: {
1097: childType = TtaGetElementType (child);
1098: if (childType.ElTypeNum == HTML_EL_PICTURE_UNIT)
1099: /* the Object element is of type image. apply the width
1100: attribute to the actual image element */
1101: el = child;
1.81 cvs 1102: else
1103: return;
1.79 quint 1104: }
1105: }
1.58 vatton 1106: /* remove trailing spaces */
1107: length = strlen (buffer) - 1;
1108: while (length > 0 && buffer[length] <= SPACE)
1109: length--;
1110: attrTypePxl.AttrSSchema = TtaGetDocumentSSchema (doc);
1111: attrTypePercent.AttrSSchema = TtaGetDocumentSSchema (doc);
1112: attrTypePxl.AttrTypeNum = HTML_ATTR_IntHeightPxl;
1113: attrTypePercent.AttrTypeNum = HTML_ATTR_IntHeightPercent;
1114: /* is the last character a '%' ? */
1115: if (buffer[length] == '%')
1116: {
1117: /* remove IntHeightPxl */
1118: attrOld = TtaGetAttribute (el, attrTypePxl);
1119: /* update IntHeightPercent */
1120: attrNew = TtaGetAttribute (el, attrTypePercent);
1121: if (attrNew == NULL)
1122: {
1123: attrNew = TtaNewAttribute (attrTypePercent);
1124: TtaAttachAttribute (el, attrNew, doc);
1125: }
1126: else if (isImage && oldHeight == -1)
1127: {
1128: if (attrOld == NULL)
1129: oldHeight = TtaGetAttributeValue (attrNew);
1130: else
1131: oldHeight = TtaGetAttributeValue (attrOld);
1132: }
1133: }
1134: else
1135: {
1136: /* remove IntHeightPercent */
1137: attrOld = TtaGetAttribute (el, attrTypePercent);
1138: /* update IntHeightPxl */
1139: attrNew = TtaGetAttribute (el, attrTypePxl);
1140: if (attrNew == NULL)
1141: {
1142: attrNew = TtaNewAttribute (attrTypePxl);
1143: TtaAttachAttribute (el, attrNew, doc);
1144: }
1145: else if (isImage && oldHeight == -1)
1146: {
1147: TtaGiveBoxSize (el, doc, 1, UnPixel, &w, &h);
1148: if (attrOld == NULL)
1149: oldHeight = w * TtaGetAttributeValue (attrNew) / 100;
1150: else
1151: oldHeight = w * TtaGetAttributeValue (attrOld) / 100;
1152: }
1153: }
1154:
1155: if (attrOld != NULL)
1156: TtaRemoveAttribute (el, attrOld, doc);
1157: if (sscanf (buffer, "%d", &val))
1158: TtaSetAttributeValue (attrNew, val, el, doc);
1159: else
1160: /* its not a number. Delete attribute and send an error message */
1161: {
1162: TtaRemoveAttribute (el, attrNew, doc);
1163: if (strlen (buffer) > MaxMsgLength - 30)
1164: buffer[MaxMsgLength - 30] = EOS;
1165: sprintf (msgBuffer, "Invalid attribute value \"%s\"", buffer);
1166: HTMLParseError (doc, msgBuffer);
1167: }
1168: if (isImage)
1.79 quint 1169: UpdateImageMap (origEl, doc, oldHeight, -1);
1.58 vatton 1170: }
1171:
1172: /*----------------------------------------------------------------------
1.30 cvs 1173: CreateAttrIntSize
1174: an HTML attribute "size" has been created for a Font element.
1175: Create the corresponding internal attribute.
1176: ----------------------------------------------------------------------*/
1.46 cvs 1177: void CreateAttrIntSize (char *buffer, Element el, Document doc)
1.30 cvs 1178:
1179: {
1180: AttributeType attrType;
1181: int val, ind, factor, delta;
1182: Attribute attr;
1.37 cvs 1183: char msgBuffer[MaxMsgLength];
1.30 cvs 1184:
1185: /* is the first character a '+' or a '-' ? */
1186: ind = 0;
1187: factor = 1;
1188: delta = 0;
1189: if (buffer[0] == '+')
1190: {
1191: attrType.AttrTypeNum = HTML_ATTR_IntSizeIncr;
1192: ind++;
1193: factor = 2;
1194: }
1195: else if (buffer[0] == '-')
1196: {
1197: attrType.AttrTypeNum = HTML_ATTR_IntSizeDecr;
1198: ind++;
1199: factor = 2;
1200: }
1201: else
1202: {
1203: attrType.AttrTypeNum = HTML_ATTR_IntSizeRel;
1204: delta = 1;
1205: }
1206: attrType.AttrSSchema = TtaGetDocumentSSchema (doc);
1207: attr = TtaGetAttribute (el, attrType);
1.43 cvs 1208: if (sscanf (&buffer[ind], "%d", &val))
1.30 cvs 1209: {
1210: val = val * factor + delta;
1211: if (attr == NULL)
1212: {
1213: /* this attribute doesn't exist, create it */
1214: attr = TtaNewAttribute (attrType);
1215: TtaAttachAttribute (el, attr, doc);
1216: }
1217: TtaSetAttributeValue (attr, val, el, doc);
1218: }
1219: else
1220: /* its not a number. Delete attribute and send an error message */
1221: {
1222: if (attr)
1223: TtaRemoveAttribute (el, attr, doc);
1.37 cvs 1224: if (strlen (buffer) > MaxMsgLength - 30)
1.30 cvs 1225: buffer[MaxMsgLength - 30] = EOS;
1.37 cvs 1226: sprintf (msgBuffer, "Invalid attribute value \"%s\"", buffer);
1.42 cvs 1227: HTMLParseError (doc, msgBuffer);
1.30 cvs 1228: }
1229: }
1230: /*----------------------------------------------------------------------
1231: EndOfHTMLAttributeValue
1232: Filling of an HTML attribute value
1233: ----------------------------------------------------------------------*/
1.48 vatton 1234: void EndOfHTMLAttributeValue (char *attrValue,
1235: AttributeMapping *lastMappedAttr,
1236: Attribute currentAttribute,
1237: Element lastAttrElement,
1238: ThotBool UnknownAttr,
1239: ParserData *context,
1240: ThotBool isXML)
1.30 cvs 1241: {
1.48 vatton 1242: AttributeType attrType, attrType1;
1243: Attribute attr;
1.79 quint 1244: ElementType elType;
1.48 vatton 1245: Element child, root;
1246: Language lang;
1247: char translation;
1248: char shape;
1249: char *buffer;
1250: char *attrName;
1251: char msgBuffer[MaxMsgLength];
1252: int val;
1253: int length;
1254: int attrKind;
1255: ThotBool done = FALSE;
1.30 cvs 1256:
1.48 vatton 1257: /* treatments of some particular HTML attributes */
1258: if (!strcmp (lastMappedAttr->XMLattribute, "style"))
1259: {
1260: TtaSetAttributeText (currentAttribute, attrValue,
1261: lastAttrElement, context->doc);
1262: ParseHTMLSpecificStyle (context->lastElement, attrValue,
1.61 quint 1263: context->doc, 100, FALSE);
1.48 vatton 1264: done = TRUE;
1265: }
1266: else
1267: {
1268: if (!strcmp (lastMappedAttr->XMLattribute, "link"))
1269: HTMLSetAlinkColor (context->doc, attrValue);
1270: else if (!strcmp (lastMappedAttr->XMLattribute, "alink"))
1271: HTMLSetAactiveColor (context->doc, attrValue);
1272: else if (!strcmp (lastMappedAttr->XMLattribute, "vlink"))
1273: HTMLSetAvisitedColor (context->doc, attrValue);
1274: }
1.30 cvs 1275:
1.48 vatton 1276: if (!done)
1277: {
1278: val = 0;
1279: translation = lastMappedAttr->AttrOrContent;
1280: switch (translation)
1281: {
1282: case 'C': /* Content */
1283: child = PutInContent (attrValue, context);
1284: if (child != NULL)
1285: TtaAppendTextContent (child, "\" ", context->doc);
1286: break;
1287:
1288: case 'A':
1289: if (currentAttribute != NULL)
1290: {
1291: TtaGiveAttributeType (currentAttribute, &attrType, &attrKind);
1292: switch (attrKind)
1293: {
1294: case 0: /* enumerate */
1295: if (isXML)
1296: MapHTMLAttributeValue (attrValue, attrType, &val);
1297: else
1298: val = MapAttrValue (lastMappedAttr->ThotAttribute,
1.40 cvs 1299: attrValue);
1.48 vatton 1300: if (val < 0)
1301: {
1302: TtaGiveAttributeType (currentAttribute,
1303: &attrType, &attrKind);
1304: attrName = TtaGetAttributeName (attrType);
1305: sprintf (msgBuffer,
1.51 cvs 1306: "Invalid attribute value \"%s = %s\"",
1.48 vatton 1307: attrName, attrValue);
1308: if (isXML)
1309: XmlParseError (errorParsing, msgBuffer, 0);
1310: else
1.84 quint 1311: /* we are parsing an HTML file, not an XHTML file */
1.51 cvs 1312: {
1.84 quint 1313: /* generate an error message in the log */
1.51 cvs 1314: HTMLParseError (context->doc, msgBuffer);
1.84 quint 1315: /* special case for value POLYGON of attribute
1316: shape (AREA element) */
1317: if (attrType.AttrTypeNum == HTML_ATTR_shape &&
1318: strcasecmp (attrValue, "POLYGON") == 0)
1319: {
1320: val = HTML_ATTR_shape_VAL_polygon;
1321: /* interpret it as if it were "poly" */
1322: TtaSetAttributeValue (currentAttribute, val,
1323: lastAttrElement, context->doc);
1324: }
1325: else
1326: /* remove the attribute and replace it by an */
1327: /* Invalid_attribute (not for XHTML) */
1328: {
1329: TtaRemoveAttribute (lastAttrElement,
1.51 cvs 1330: currentAttribute, context->doc);
1.84 quint 1331: attrType.AttrSSchema =
1332: TtaGetDocumentSSchema (context->doc);
1333: attrType.AttrTypeNum =
1334: pHTMLAttributeMapping[0].ThotAttribute;
1335: sprintf (msgBuffer, "%s=%s", attrName,attrValue);
1336: CreateHTMLAttribute (lastAttrElement, attrType,
1337: msgBuffer, TRUE, context->doc,
1338: ¤tAttribute, &lastAttrElement);
1339: }
1.48 vatton 1340: }
1341: }
1342: else
1343: TtaSetAttributeValue (currentAttribute, val,
1344: lastAttrElement, context->doc);
1345: break;
1346: case 1: /* integer */
1347: if (attrType.AttrTypeNum == HTML_ATTR_Border &&
1348: !strcasecmp (attrValue, "border"))
1349: {
1350: /* border="border" for a table */
1351: val = 1;
1352: TtaSetAttributeValue (currentAttribute, val,
1.30 cvs 1353: lastAttrElement, context->doc);
1.48 vatton 1354: }
1355: else if (sscanf (attrValue, "%d", &val))
1356: TtaSetAttributeValue (currentAttribute, val,
1357: lastAttrElement, context->doc);
1358: else
1359: {
1360: TtaRemoveAttribute (lastAttrElement, currentAttribute,
1361: context->doc);
1362: sprintf (msgBuffer,
1363: "Unknown attribute value \"%s\"",
1364: attrValue);
1365: if (isXML)
1366: XmlParseError (errorParsing, msgBuffer, 0);
1367: else
1368: HTMLParseError (context->doc, msgBuffer);
1369: }
1370: break;
1371: case 2: /* text */
1372: if (!UnknownAttr)
1373: {
1374: TtaSetAttributeText (currentAttribute, attrValue,
1375: lastAttrElement, context->doc);
1.55 cvs 1376: if (attrType.AttrTypeNum == HTML_ATTR_Language)
1.48 vatton 1377: {
1378: /* it's a LANG attribute value */
1379: lang = TtaGetLanguageIdFromName (attrValue);
1.70 vatton 1380: if (lang < 0)
1.48 vatton 1381: {
1382: sprintf (msgBuffer,
1383: "warning - unsupported language: %s",
1384: attrValue);
1385: if (isXML)
1386: XmlParseError (errorParsing, msgBuffer, 0);
1387: else
1388: HTMLParseError (context->doc, msgBuffer);
1389: }
1390: else
1391: {
1392: /* change current language */
1393: context->language = lang;
1394: if (isXML)
1395: SetLanguagInXmlStack (lang);
1396: else
1397: SetLanguagInHTMLStack (lang);
1398: }
1399: root = TtaGetRootElement (context->doc);
1400: if (lastAttrElement == root)
1401: /* it's a LANG attribute on the root element */
1402: /* set the RealLang attribute */
1403: {
1404: attrType1.AttrSSchema = TtaGetDocumentSSchema (context->doc);
1405: attrType1.AttrTypeNum = HTML_ATTR_RealLang;
1406: /* this attribute could be already present,
1407: (lang and xml:lang attributes) */
1408: if (!TtaGetAttribute (lastAttrElement,
1409: attrType1))
1410: /* it's not present. Add it */
1411: {
1412: attr = TtaNewAttribute (attrType1);
1413: TtaAttachAttribute (lastAttrElement,
1414: attr, context->doc);
1415: TtaSetAttributeValue (attr,
1416: HTML_ATTR_RealLang_VAL_Yes_,
1417: lastAttrElement,
1418: context->doc);
1419: }
1420: }
1421: }
1422: else if (attrType.AttrTypeNum == HTML_ATTR_accesskey)
1423: TtaAddAccessKey (context->doc, (unsigned int)attrValue[0],
1424: lastAttrElement);
1425: }
1426: else
1427: {
1.51 cvs 1428: /* this is the content of an invalid attribute */
1429: /* append it to the current Invalid_attribute */
1430: if (!isXML)
1431: {
1432: length = strlen (attrValue) + 2;
1433: length += TtaGetTextAttributeLength (currentAttribute);
1434: buffer = TtaGetMemory (length + 1);
1435: TtaGiveTextAttributeValue (currentAttribute,
1436: buffer, &length);
1437: strcat (buffer, "=");
1438: strcat (buffer, attrValue);
1439: TtaSetAttributeText (currentAttribute, buffer,
1440: lastAttrElement, context->doc);
1441: TtaFreeMemory (buffer);
1442: }
1.48 vatton 1443: }
1444: break;
1445: case 3: /* reference */
1446: break;
1447: }
1448: }
1449: break;
1450:
1451: case SPACE:
1452: if (isXML)
1453: XhtmlTypeAttrValue (attrValue, currentAttribute,
1.30 cvs 1454: lastAttrElement, context);
1.48 vatton 1455: else
1456: HTMLTypeAttrValue (attrValue, currentAttribute,
1457: lastAttrElement, context);
1458: break;
1459:
1.30 cvs 1460: default:
1461: break;
1.48 vatton 1462: }
1.30 cvs 1463:
1464: if (lastMappedAttr->ThotAttribute == HTML_ATTR_Width__)
1.79 quint 1465: /* HTML attribute "width" */
1466: {
1467: /* if it's an Object element, wait until all attributes are handled,
1468: especially the data attribute that may generate the image to
1469: which the width has to be applied */
1470: elType = TtaGetElementType (lastAttrElement);
1471: if (elType.ElTypeNum != HTML_EL_Object)
1472: /* create the corresponding attribute IntWidthPercent or */
1473: /* IntWidthPxl */
1474: CreateAttrWidthPercentPxl (attrValue, lastAttrElement,
1475: context->doc, -1);
1476: }
1.58 vatton 1477: else if (lastMappedAttr->ThotAttribute == HTML_ATTR_Height_)
1.79 quint 1478: /* HTML attribute "height" */
1479: {
1480: /* if it's an Object element, wait until all attributes are handled,
1481: especially the data attribute that may generate the image to
1482: which the height has to be applied */
1483: elType = TtaGetElementType (lastAttrElement);
1484: if (elType.ElTypeNum != HTML_EL_Object)
1485: /* create the corresponding attribute IntHeightPercent or */
1486: /* IntHeightPxl */
1487: CreateAttrHeightPercentPxl (attrValue, lastAttrElement,
1488: context->doc, -1);
1489: }
1.48 vatton 1490: else if (!strcmp (lastMappedAttr->XMLattribute, "size"))
1491: {
1492: TtaGiveAttributeType (currentAttribute, &attrType, &attrKind);
1493: if (attrType.AttrTypeNum == HTML_ATTR_Font_size)
1494: CreateAttrIntSize (attrValue, lastAttrElement, context->doc);
1495: }
1496: else if (!strcmp (lastMappedAttr->XMLattribute, "shape"))
1497: {
1498: child = TtaGetFirstChild (lastAttrElement);
1499: if (child != NULL)
1500: {
1501: switch (val)
1502: {
1503: case HTML_ATTR_shape_VAL_rectangle:
1504: shape = 'R';
1505: break;
1506: case HTML_ATTR_shape_VAL_circle:
1507: shape = 'a';
1508: break;
1509: case HTML_ATTR_shape_VAL_polygon:
1510: shape = 'p';
1511: break;
1512: default:
1513: shape = SPACE;
1514: break;
1515: }
1516: TtaSetGraphicsShape (child, shape, context->doc);
1517: }
1518: }
1519: else if (!strcmp (lastMappedAttr->XMLattribute, "value"))
1520: {
1521: elType = TtaGetElementType (lastAttrElement);
1522: if (elType.ElTypeNum == HTML_EL_Text_Input ||
1523: elType.ElTypeNum == HTML_EL_Password_Input ||
1524: elType.ElTypeNum == HTML_EL_File_Input ||
1525: elType.ElTypeNum == HTML_EL_Input)
1526: /* create a Default_Value attribute with the same content */
1527: {
1528: attrType1.AttrSSchema = attrType.AttrSSchema;
1529: attrType1.AttrTypeNum = HTML_ATTR_Default_Value;
1530: attr = TtaNewAttribute (attrType1);
1531: TtaAttachAttribute (lastAttrElement, attr, context->doc);
1532: TtaSetAttributeText (attr, attrValue,
1533: lastAttrElement, context->doc);
1534: }
1535: }
1.30 cvs 1536: else
1.48 vatton 1537: {
1538: /* Some HTML attributes are equivalent to a CSS property: */
1539: /* background -> background */
1540: /* bgcolor -> background */
1541: /* text -> color */
1542: /* color -> color */
1543: if (!strcmp (lastMappedAttr->XMLattribute, "background"))
1544: {
1545: if (strlen (attrValue) > MaxMsgLength - 30)
1546: attrValue[MaxMsgLength - 30] = EOS;
1.76 vatton 1547: HTMLSetBackgroundImage (context->doc, context->lastElement,
1.85 vatton 1548: REPEAT, attrValue, FALSE);
1.48 vatton 1549: }
1550: else if (!strcmp (lastMappedAttr->XMLattribute, "bgcolor"))
1.76 vatton 1551: HTMLSetBackgroundColor (context->doc, context->lastElement,
1552: attrValue);
1.48 vatton 1553: else if (!strcmp (lastMappedAttr->XMLattribute, "text") ||
1554: !strcmp (lastMappedAttr->XMLattribute, "color"))
1555: HTMLSetForegroundColor (context->doc,
1556: context->lastElement, attrValue);
1557: }
1558: }
1.30 cvs 1559: }
1560:
1561: /*----------------------------------------------------------------------
1.16 cvs 1562: MapHTMLAttributeValue
1.2 cvs 1563: Search in the Attribute Value Mapping Table the entry for the attribute
1.66 vatton 1564: ThotAtt and its value attVal. Returns the corresponding Thot value.
1.1 cvs 1565: ----------------------------------------------------------------------*/
1.66 vatton 1566: void MapHTMLAttributeValue (char *attVal, AttributeType attrType, int *value)
1.1 cvs 1567: {
1.66 vatton 1568: MapXMLAttributeValue (XHTML_TYPE, attVal, attrType, value);
1.1 cvs 1569: }
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