Annotation of Amaya/amaya/XHTMLbuilder.c, revision 1.94
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:
1.91 quint 484: /* set default size */
485: attrType.AttrSSchema = elType.ElSSchema;
486: attrType.AttrTypeNum = HTML_ATTR_IntAreaSize;
487: attr = TtaGetAttribute (el, attrType);
488: if (!attr)
489: CreateAttrIntAreaSize (20, el, doc);
1.6 cvs 490: /* get element Inserted_Text */
491: child = TtaGetFirstChild (el);
492: if (child != NULL)
493: {
494: attrType.AttrTypeNum = HTML_ATTR_Value_;
495: attr = TtaGetAttribute (el, attrType);
496: if (attr != NULL)
497: {
498: /* copy the value of attribute "value" into the first text
499: leaf of element */
500: length = TtaGetTextAttributeLength (attr);
501: if (length > 0)
502: {
503: /* get the text leaf */
504: leaf = TtaGetFirstChild (child);
505: if (leaf != NULL)
506: {
507: childType = TtaGetElementType (leaf);
508: if (childType.ElTypeNum == HTML_EL_TEXT_UNIT)
509: {
510: /* copy attribute value into the text leaf */
1.37 cvs 511: text = TtaGetMemory (length + 1);
1.6 cvs 512: TtaGiveTextAttributeValue (attr, text, &length);
513: TtaSetTextContent (leaf, text,
514: TtaGetDefaultLanguage (), doc);
515: TtaFreeMemory (text);
516: }
517: }
518: }
519: }
520: }
521: break;
522:
523: case HTML_EL_META:
1.15 cvs 524: ParseCharset (el, doc);
1.6 cvs 525: break;
526:
527: case HTML_EL_STYLE_: /* it's a STYLE element */
1.60 vatton 528: case HTML_EL_SCRIPT_: /* it's a SCRIPT element */
1.6 cvs 529: case HTML_EL_Preformatted: /* it's a PRE */
530: /* if the last line of the Preformatted is empty, remove it */
531: leaf = XmlLastLeafInElement (el);
532: if (leaf != NULL)
533: {
534: elType = TtaGetElementType (leaf);
535: if (elType.ElTypeNum == HTML_EL_TEXT_UNIT)
536: /* the last leaf is a TEXT element */
537: {
538: length = TtaGetTextLength (leaf);
539: if (length > 0)
540: {
541: TtaGiveSubString (leaf, lastChar, length, 1);
542: if (lastChar[0] == EOL)
543: /* last character is new line, delete it */
544: {
545: if (length == 1)
546: /* empty TEXT element */
547: TtaDeleteTree (leaf, doc);
548: else
549: /* remove the last character */
550: TtaDeleteTextContent (leaf, length, 1, doc);
551: }
552: }
553: }
554: }
1.75 kahan 555: if (DocumentMeta[doc] && DocumentMeta[doc]->xmlformat)
1.63 cvs 556: {
557: if (IsXmlParsingCSS ())
558: {
559: text = GetStyleContents (el);
560: if (text)
561: {
1.71 vatton 562: ReadCSSRules (doc, NULL, text, NULL,
1.82 quint 563: TtaGetElementLineNumber (el), FALSE, el);
1.63 cvs 564: TtaFreeMemory (text);
565: }
566: SetXmlParsingCSS (FALSE);
567: }
568: }
569: else
1.6 cvs 570: {
1.63 cvs 571: if (IsHtmlParsingCSS ())
1.6 cvs 572: {
1.63 cvs 573: text = GetStyleContents (el);
574: if (text)
575: {
1.71 vatton 576: ReadCSSRules (doc, NULL, text, NULL,
1.82 quint 577: TtaGetElementLineNumber (el), FALSE, el);
1.63 cvs 578: TtaFreeMemory (text);
579: }
580: SetHtmlParsingCSS (FALSE);
1.6 cvs 581: }
582: }
583: /* and continue as if it were a Preformatted or a Script */
584: break;
585:
586: case HTML_EL_Text_Area: /* it's a Text_Area */
1.69 cvs 587: if (DocumentMeta[doc]->xmlformat)
588: SetParsingTextArea (FALSE);
589: else
590: SetHtmlParsingTextArea (FALSE);
1.6 cvs 591: child = TtaGetFirstChild (el);
592: if (child == NULL)
593: /* it's an empty Text_Area */
594: /* insert a Inserted_Text element in the element */
595: {
596: newElType.ElTypeNum = HTML_EL_Inserted_Text;
597: child = TtaNewTree (doc, newElType, "");
598: TtaInsertFirstChild (&child, el, doc);
599: }
600: else
601: {
602: /* save the text into Default_Value attribute */
603: attrType.AttrSSchema = docSSchema;
604: attrType.AttrTypeNum = HTML_ATTR_Default_Value;
605: if (TtaGetAttribute (el, attrType) == NULL)
606: /* attribute Default_Value is missing */
607: {
608: attr = TtaNewAttribute (attrType);
609: TtaAttachAttribute (el, attr, doc);
610: desc = TtaGetFirstChild (child);
611: length = TtaGetTextLength (desc) + 1;
1.37 cvs 612: text = TtaGetMemory (length);
1.6 cvs 613: TtaGiveTextContent (desc, text, &length, &lang);
614: TtaSetAttributeText (attr, text, el, doc);
615: TtaFreeMemory (text);
616: }
617: }
618: /* insert a Frame element */
619: newElType.ElTypeNum = HTML_EL_Frame;
620: constElem = TtaNewTree (doc, newElType, "");
621: TtaInsertSibling (constElem, child, FALSE, doc);
622: break;
623:
624: case HTML_EL_Radio_Input:
625: case HTML_EL_Checkbox_Input:
626: /* put an attribute Checked if it is missing */
627: attrType.AttrSSchema = docSSchema;
628: attrType.AttrTypeNum = HTML_ATTR_Checked;
629: if (TtaGetAttribute (el, attrType) == NULL)
630: /* attribute Checked is missing */
631: {
632: attr = TtaNewAttribute (attrType);
633: TtaAttachAttribute (el, attr, doc);
634: TtaSetAttributeValue (attr, HTML_ATTR_Checked_VAL_No_, el, doc);
635: }
636: break;
637:
638: case HTML_EL_Option_Menu:
639: /* Check that at least one option has a SELECTED attribute */
640: OnlyOneOptionSelected (el, doc, TRUE);
641: break;
642:
643: case HTML_EL_PICTURE_UNIT:
644: break;
645:
646: case HTML_EL_LINK:
647: CheckCSSLink (el, doc, docSSchema);
648: break;
649:
650: case HTML_EL_Data_cell:
651: case HTML_EL_Heading_cell:
652: /* insert a pseudo paragraph into empty cells */
653: child = TtaGetFirstChild (el);
654: if (child == NULL)
655: {
656: elType.ElTypeNum = HTML_EL_Pseudo_paragraph;
657: child = TtaNewTree (doc, elType, "");
658: if (child != NULL)
659: TtaInsertFirstChild (&child, el, doc);
660: }
661:
1.80 cvs 662: /* detect whether we are parsing a whole table or just a cell */
1.63 cvs 663: if (DocumentMeta[doc]->xmlformat)
664: {
665: if (IsWithinXmlTable ())
1.92 quint 666: NewCell (el, doc, FALSE, FALSE);
1.63 cvs 667: }
668: else
669: {
670: if (IsWithinHtmlTable ())
1.92 quint 671: NewCell (el, doc, FALSE, FALSE);
1.63 cvs 672: }
1.6 cvs 673: break;
674:
675: case HTML_EL_Table:
676: CheckTable (el, doc);
677: SubWithinTable ();
678: break;
679:
680: case HTML_EL_TITLE:
681: /* show the TITLE in the main window */
682: UpdateTitle (el, doc);
683: break;
1.41 cvs 684:
685: case HTML_EL_rbc:
686: /* an rbc element has been read. Its parent should be a complex_ruby.
687: Change the type of the parent, as simple_ruby are created by
688: default */
689: parent = TtaGetParent (el);
690: if (parent)
691: {
692: newElType = TtaGetElementType (parent);
693: if (newElType.ElSSchema == elType.ElSSchema &&
694: newElType.ElTypeNum == HTML_EL_simple_ruby)
695: ChangeElementType (parent, HTML_EL_complex_ruby);
696: }
697: break;
698:
699: case HTML_EL_rtc1:
700: /* an rtc element has been parsed. If it has already a rtc1 sibling,
701: change its type to rtc2 */
702: prev = el;
703: do
704: {
705: TtaPreviousSibling(&prev);
706: if (prev)
707: {
708: newElType = TtaGetElementType (prev);
709: if (newElType.ElSSchema == elType.ElSSchema &&
710: newElType.ElTypeNum == HTML_EL_rtc1)
711: {
712: ChangeElementType (el, HTML_EL_rtc2);
713: prev = NULL;
714: }
715: }
716: }
717: while (prev);
718: break;
719:
1.6 cvs 720: default:
721: break;
722: }
723: }
1.1 cvs 724:
725: /*----------------------------------------------------------------------
1.30 cvs 726: PutInContent
727: Put the string ChrString in the leaf of current element.
728: ----------------------------------------------------------------------*/
1.39 cvs 729: Element PutInContent (char *ChrString, ParserData *context)
1.30 cvs 730:
731: {
732: Element el, child;
733: ElementType elType;
734: int length;
735:
736: el = NULL;
737: if (context->lastElement != NULL)
738: {
739: /* search first leaf of current element */
740: el = context->lastElement;
741: do
742: {
743: child = TtaGetFirstChild (el);
744: if (child != NULL)
745: el = child;
746: }
747: while (child != NULL);
748: elType = TtaGetElementType (el);
749: length = 0;
750: if (elType.ElTypeNum == 1)
751: length = TtaGetTextLength (el);
752: if (length == 0)
753: TtaSetTextContent (el, ChrString, context->language, context->doc);
754: else
755: TtaAppendTextContent (el, ChrString, context->doc);
756: }
757: return el;
758: }
759:
760: /*----------------------------------------------------------------------
1.93 vatton 761: UnknownXhtmlNameSpace
762: The element doesn't belong to a supported namespace
1.51 cvs 763: ----------------------------------------------------------------------*/
1.93 vatton 764: void UnknownXhtmlNameSpace (ParserData *context, Element *unknownEl,
765: char* content)
1.51 cvs 766: {
767: ElementType elType;
1.65 cvs 768: Element elText;
1.51 cvs 769:
770: /* Create a new Invalid_element */
771: elType.ElSSchema = GetXMLSSchema (XHTML_TYPE, context->doc);
1.94 ! cvs 772: elType.ElTypeNum = HTML_EL_XHTML_Unknown_namespace;
1.65 cvs 773: *unknownEl = TtaNewElement (context->doc, elType);
774: if (*unknownEl != NULL)
1.51 cvs 775: {
1.65 cvs 776: XmlSetElemLineNumber (*unknownEl);
777: InsertXmlElement (unknownEl);
1.51 cvs 778: context->lastElementClosed = TRUE;
779: elType.ElTypeNum = HTML_EL_TEXT_UNIT;
780: elText = TtaNewElement (context->doc, elType);
781: XmlSetElemLineNumber (elText);
1.65 cvs 782: TtaInsertFirstChild (&elText, *unknownEl, context->doc);
1.51 cvs 783: TtaSetTextContent (elText, content, context->language, context->doc);
784: TtaSetAccessRight (elText, ReadOnly, context->doc);
785: }
786: }
787:
788: /*----------------------------------------------------------------------
1.30 cvs 789: CreateHTMLAttribute
790: create an attribute of type attrType for the element el.
791: ----------------------------------------------------------------------*/
1.93 vatton 792: void CreateHTMLAttribute (Element el,
793: AttributeType attrType,
794: char* text,
795: ThotBool isInvalid,
796: Document doc,
797: Attribute *lastAttribute,
798: Element *lastAttrElement)
1.30 cvs 799: {
800: int attrKind;
801: int length;
1.39 cvs 802: char *buffer;
1.30 cvs 803: Attribute attr, oldAttr;
804:
805: if (attrType.AttrTypeNum != 0)
806: {
807: oldAttr = TtaGetAttribute (el, attrType);
808: if (oldAttr != NULL)
809: /* this attribute already exists */
810: attr = oldAttr;
811: else
812: /* create a new attribute and attach it to the element */
813: {
814: attr = TtaNewAttribute (attrType);
815: TtaAttachAttribute (el, attr, doc);
816: }
817: *lastAttribute = attr;
818: *lastAttrElement = el;
819:
820: TtaGiveAttributeType (attr, &attrType, &attrKind);
821: if (attrKind == 0) /* enumerate */
822: TtaSetAttributeValue (attr, 1, el, doc);
823:
824: /* attribute BORDER without any value (ThotBool attribute) is */
825: /* considered as BORDER=1 */
826: if (attrType.AttrTypeNum == HTML_ATTR_Border)
827: TtaSetAttributeValue (attr, 1, el, doc);
828:
829: if (isInvalid)
830: /* Copy the name of the invalid attribute as the content */
831: /* of the Invalid_attribute attribute. */
832: {
1.37 cvs 833: length = strlen (text) + 2;
1.30 cvs 834: length += TtaGetTextAttributeLength (attr);
1.37 cvs 835: buffer = TtaGetMemory (length + 1);
1.30 cvs 836: TtaGiveTextAttributeValue (attr, buffer, &length);
1.37 cvs 837: strcat (buffer, " ");
838: strcat (buffer, text);
1.30 cvs 839: TtaSetAttributeText (attr, buffer, el, doc);
840: TtaFreeMemory (buffer);
841: }
842: }
843: }
844:
845: /*----------------------------------------------------------------------
846: HTMLTypeAttrValue
847: Value val has been read for the HTML attribute TYPE.
848: Create a child for the current Thot element INPUT accordingly.
849: ----------------------------------------------------------------------*/
1.46 cvs 850: void HTMLTypeAttrValue (char *val,
1.30 cvs 851: Attribute lastAttribute,
852: Element lastAttrElement,
853: ParserData *context)
854:
855: {
856: ElementType elType;
857: Element newChild;
858: AttributeType attrType;
859: Attribute attr;
1.39 cvs 860: char msgBuffer[MaxMsgLength];
1.30 cvs 861: int value;
862: int numberOfLinesRead;
863:
864: value = MapAttrValue (DummyAttribute, val);
1.91 quint 865: if (value <= 0)
1.30 cvs 866: {
1.37 cvs 867: if (strlen (val) > MaxMsgLength - 40)
868: val[MaxMsgLength - 40] = EOS;
869: sprintf (msgBuffer, "Unknown attribute value \"type = %s\"", val);
1.42 cvs 870: HTMLParseError (context->doc, msgBuffer);
1.30 cvs 871: attrType.AttrSSchema = TtaGetDocumentSSchema (context->doc);
872: attrType.AttrTypeNum = pHTMLAttributeMapping[0].ThotAttribute;
1.37 cvs 873: sprintf (msgBuffer, "type=%s", val);
1.30 cvs 874: CreateHTMLAttribute (context->lastElement, attrType, msgBuffer, TRUE,
875: context->doc, &lastAttribute, &lastAttrElement);
876: }
877: else
878: {
879: elType = TtaGetElementType (context->lastElement);
880: if (elType.ElTypeNum != HTML_EL_Input)
881: {
1.37 cvs 882: if (strlen (val) > MaxMsgLength - 40)
883: val[MaxMsgLength - 40] = EOS;
884: sprintf (msgBuffer, "Duplicate attribute \"type = %s\"", val);
1.30 cvs 885: }
886: else
887: {
888: elType.ElSSchema = TtaGetDocumentSSchema (context->doc);
889: elType.ElTypeNum = value;
890: newChild = TtaNewTree (context->doc, elType, "");
891: numberOfLinesRead = 0;
892: TtaSetElementLineNumber (newChild, numberOfLinesRead);
893: TtaInsertFirstChild (&newChild, context->lastElement, context->doc);
894: if (value == HTML_EL_PICTURE_UNIT)
895: {
896: /* add the attribute IsInput to input pictures */
897: attrType.AttrSSchema = elType.ElSSchema;
898: attrType.AttrTypeNum = HTML_ATTR_IsInput;
899: attr = TtaNewAttribute (attrType);
900: TtaAttachAttribute (newChild, attr, context->doc);
901: }
902: }
903: }
904: }
905:
906: /*----------------------------------------------------------------------
907: XhtmlTypeAttrValue
908: Value val has been read for the HTML attribute TYPE.
909: Create a child for the current Thot element INPUT accordingly.
910: ----------------------------------------------------------------------*/
1.46 cvs 911: void XhtmlTypeAttrValue (char *val,
1.30 cvs 912: Attribute currentAttribute,
913: Element lastAttrElement,
914: ParserData *context)
915:
916: {
917: ElementType elType;
918: Element newChild;
919: AttributeType attrType;
920: Attribute attr;
1.39 cvs 921: char msgBuffer[MaxMsgLength];
1.30 cvs 922: int value;
923: ThotBool level;
924:
1.91 quint 925: /* Look in the dummy section of the attribute value table */
1.30 cvs 926: attrType.AttrTypeNum = DummyAttribute;
927: MapHTMLAttributeValue (val, attrType, &value);
1.91 quint 928: if (value <= 0)
929: /* invalid value for the type attribute of an input element */
1.30 cvs 930: {
1.37 cvs 931: sprintf (msgBuffer, "Unknown attribute value \"type=%s\"", val);
1.30 cvs 932: XmlParseError (errorParsing, msgBuffer, 0);
1.36 cvs 933: MapHTMLAttribute ("unknown_attr", &attrType, NULL,
1.30 cvs 934: &level, context->doc);
1.37 cvs 935: sprintf (msgBuffer, "type=%s", val);
1.30 cvs 936: CreateHTMLAttribute (context->lastElement, attrType, msgBuffer, TRUE,
937: context->doc, ¤tAttribute, &lastAttrElement);
938: }
939: else
1.91 quint 940: /* value is the Thot type of the element to be created for this value of
941: the TYPE attribute */
1.30 cvs 942: {
943: elType = TtaGetElementType (context->lastElement);
944: if (elType.ElTypeNum != HTML_EL_Input)
945: {
1.37 cvs 946: sprintf (msgBuffer, "Duplicate attribute \"type = %s\"", val);
1.30 cvs 947: XmlParseError (errorParsing, msgBuffer, 0);
948: }
949: else
950: {
951: elType.ElTypeNum = value;
952: newChild = TtaNewTree (context->doc, elType, "");
953: XmlSetElemLineNumber (newChild);
954: TtaInsertFirstChild (&newChild, context->lastElement, context->doc);
955: if (value == HTML_EL_PICTURE_UNIT)
956: {
957: /* add the attribute IsInput to input pictures */
958: attrType.AttrSSchema = elType.ElSSchema;
959: attrType.AttrTypeNum = HTML_ATTR_IsInput;
960: attr = TtaNewAttribute (attrType);
961: TtaAttachAttribute (newChild, attr, context->doc);
962: }
963: }
964: }
965: }
966:
967: /*----------------------------------------------------------------------
968: CreateAttrWidthPercentPxl
1.79 quint 969: an HTML attribute "width" has been created for a Table, an image,
970: an Object of a HR.
1.30 cvs 971: Create the corresponding attribute IntWidthPercent or IntWidthPxl.
972: oldWidth is -1 or the old image width.
973: ----------------------------------------------------------------------*/
1.58 vatton 974: void CreateAttrWidthPercentPxl (char *buffer, Element el,
975: Document doc, int oldWidth)
1.30 cvs 976: {
977: AttributeType attrTypePxl, attrTypePercent;
978: Attribute attrOld, attrNew;
979: int length, val;
1.39 cvs 980: char msgBuffer[MaxMsgLength];
1.79 quint 981: ElementType elType, childType;
982: Element origEl, child;
1.30 cvs 983: int w, h;
984: ThotBool isImage;
985:
1.79 quint 986: origEl = el;
1.30 cvs 987: elType = TtaGetElementType (el);
988: isImage = (elType.ElTypeNum == HTML_EL_PICTURE_UNIT ||
989: elType.ElTypeNum == HTML_EL_Data_cell ||
1.79 quint 990: elType.ElTypeNum == HTML_EL_Heading_cell ||
991: elType.ElTypeNum == HTML_EL_Object);
992: if (elType.ElTypeNum == HTML_EL_Object)
993: /* the width attribute is attached to an Object element */
994: {
995: child = TtaGetFirstChild (el);
996: if (child)
997: {
998: childType = TtaGetElementType (child);
999: if (childType.ElTypeNum == HTML_EL_PICTURE_UNIT)
1000: /* the Object element is of type image. apply the width
1001: attribute to the actual image element */
1002: el = child;
1003: }
1004: }
1.30 cvs 1005: /* remove trailing spaces */
1.37 cvs 1006: length = strlen (buffer) - 1;
1.30 cvs 1007: while (length > 0 && buffer[length] <= SPACE)
1008: length--;
1009: attrTypePxl.AttrSSchema = TtaGetDocumentSSchema (doc);
1010: attrTypePercent.AttrSSchema = TtaGetDocumentSSchema (doc);
1011: attrTypePxl.AttrTypeNum = HTML_ATTR_IntWidthPxl;
1012: attrTypePercent.AttrTypeNum = HTML_ATTR_IntWidthPercent;
1013: /* is the last character a '%' ? */
1014: if (buffer[length] == '%')
1015: {
1016: /* remove IntWidthPxl */
1017: attrOld = TtaGetAttribute (el, attrTypePxl);
1018: /* update IntWidthPercent */
1019: attrNew = TtaGetAttribute (el, attrTypePercent);
1020: if (attrNew == NULL)
1021: {
1022: attrNew = TtaNewAttribute (attrTypePercent);
1023: TtaAttachAttribute (el, attrNew, doc);
1024: }
1025: else if (isImage && oldWidth == -1)
1026: {
1027: if (attrOld == NULL)
1028: oldWidth = TtaGetAttributeValue (attrNew);
1029: else
1030: oldWidth = TtaGetAttributeValue (attrOld);
1031: }
1032: }
1033: else
1034: {
1035: /* remove IntWidthPercent */
1036: attrOld = TtaGetAttribute (el, attrTypePercent);
1037: /* update IntWidthPxl */
1038: attrNew = TtaGetAttribute (el, attrTypePxl);
1039: if (attrNew == NULL)
1040: {
1041: attrNew = TtaNewAttribute (attrTypePxl);
1042: TtaAttachAttribute (el, attrNew, doc);
1043: }
1044: else if (isImage && oldWidth == -1)
1045: {
1046: TtaGiveBoxSize (el, doc, 1, UnPixel, &w, &h);
1047: if (attrOld == NULL)
1048: oldWidth = w * TtaGetAttributeValue (attrNew) / 100;
1049: else
1050: oldWidth = w * TtaGetAttributeValue (attrOld) / 100;
1051: }
1052: }
1053:
1054: if (attrOld != NULL)
1055: TtaRemoveAttribute (el, attrOld, doc);
1.43 cvs 1056: if (sscanf (buffer, "%d", &val))
1.30 cvs 1057: TtaSetAttributeValue (attrNew, val, el, doc);
1058: else
1059: /* its not a number. Delete attribute and send an error message */
1060: {
1061: TtaRemoveAttribute (el, attrNew, doc);
1.37 cvs 1062: if (strlen (buffer) > MaxMsgLength - 30)
1.30 cvs 1063: buffer[MaxMsgLength - 30] = EOS;
1.37 cvs 1064: sprintf (msgBuffer, "Invalid attribute value \"%s\"", buffer);
1.42 cvs 1065: HTMLParseError (doc, msgBuffer);
1.30 cvs 1066: }
1067: if (isImage)
1.79 quint 1068: UpdateImageMap (origEl, doc, oldWidth, -1);
1.30 cvs 1069: }
1070:
1071: /*----------------------------------------------------------------------
1.58 vatton 1072: CreateAttrHeightPercentPxl
1.79 quint 1073: an HTML attribute "width" has been created for a Table, an image,
1074: an Object or a HR.
1.58 vatton 1075: Create the corresponding attribute IntHeightPercent or IntHeightPxl.
1076: oldHeight is -1 or the old image width.
1077: ----------------------------------------------------------------------*/
1078: void CreateAttrHeightPercentPxl (char *buffer, Element el,
1079: Document doc, int oldHeight)
1080: {
1081: AttributeType attrTypePxl, attrTypePercent;
1082: Attribute attrOld, attrNew;
1083: int length, val;
1084: char msgBuffer[MaxMsgLength];
1.79 quint 1085: ElementType elType, childType;
1086: Element origEl, child;
1.58 vatton 1087: int w, h;
1088: ThotBool isImage;
1089:
1.79 quint 1090: origEl = el;
1.58 vatton 1091: elType = TtaGetElementType (el);
1092: isImage = (elType.ElTypeNum == HTML_EL_PICTURE_UNIT ||
1093: elType.ElTypeNum == HTML_EL_Data_cell ||
1.79 quint 1094: elType.ElTypeNum == HTML_EL_Heading_cell ||
1095: elType.ElTypeNum == HTML_EL_Object);
1096: if (elType.ElTypeNum == HTML_EL_Object)
1097: /* the height attribute is attached to an Object element */
1098: {
1099: child = TtaGetFirstChild (el);
1.81 cvs 1100: if (!child)
1101: return;
1102: else
1.79 quint 1103: {
1104: childType = TtaGetElementType (child);
1105: if (childType.ElTypeNum == HTML_EL_PICTURE_UNIT)
1106: /* the Object element is of type image. apply the width
1107: attribute to the actual image element */
1108: el = child;
1.81 cvs 1109: else
1110: return;
1.79 quint 1111: }
1112: }
1.58 vatton 1113: /* remove trailing spaces */
1114: length = strlen (buffer) - 1;
1115: while (length > 0 && buffer[length] <= SPACE)
1116: length--;
1117: attrTypePxl.AttrSSchema = TtaGetDocumentSSchema (doc);
1118: attrTypePercent.AttrSSchema = TtaGetDocumentSSchema (doc);
1119: attrTypePxl.AttrTypeNum = HTML_ATTR_IntHeightPxl;
1120: attrTypePercent.AttrTypeNum = HTML_ATTR_IntHeightPercent;
1121: /* is the last character a '%' ? */
1122: if (buffer[length] == '%')
1123: {
1124: /* remove IntHeightPxl */
1125: attrOld = TtaGetAttribute (el, attrTypePxl);
1126: /* update IntHeightPercent */
1127: attrNew = TtaGetAttribute (el, attrTypePercent);
1128: if (attrNew == NULL)
1129: {
1130: attrNew = TtaNewAttribute (attrTypePercent);
1131: TtaAttachAttribute (el, attrNew, doc);
1132: }
1133: else if (isImage && oldHeight == -1)
1134: {
1135: if (attrOld == NULL)
1136: oldHeight = TtaGetAttributeValue (attrNew);
1137: else
1138: oldHeight = TtaGetAttributeValue (attrOld);
1139: }
1140: }
1141: else
1142: {
1143: /* remove IntHeightPercent */
1144: attrOld = TtaGetAttribute (el, attrTypePercent);
1145: /* update IntHeightPxl */
1146: attrNew = TtaGetAttribute (el, attrTypePxl);
1147: if (attrNew == NULL)
1148: {
1149: attrNew = TtaNewAttribute (attrTypePxl);
1150: TtaAttachAttribute (el, attrNew, doc);
1151: }
1152: else if (isImage && oldHeight == -1)
1153: {
1154: TtaGiveBoxSize (el, doc, 1, UnPixel, &w, &h);
1155: if (attrOld == NULL)
1156: oldHeight = w * TtaGetAttributeValue (attrNew) / 100;
1157: else
1158: oldHeight = w * TtaGetAttributeValue (attrOld) / 100;
1159: }
1160: }
1161:
1162: if (attrOld != NULL)
1163: TtaRemoveAttribute (el, attrOld, doc);
1164: if (sscanf (buffer, "%d", &val))
1165: TtaSetAttributeValue (attrNew, val, el, doc);
1166: else
1167: /* its not a number. Delete attribute and send an error message */
1168: {
1169: TtaRemoveAttribute (el, attrNew, doc);
1170: if (strlen (buffer) > MaxMsgLength - 30)
1171: buffer[MaxMsgLength - 30] = EOS;
1172: sprintf (msgBuffer, "Invalid attribute value \"%s\"", buffer);
1173: HTMLParseError (doc, msgBuffer);
1174: }
1175: if (isImage)
1.79 quint 1176: UpdateImageMap (origEl, doc, oldHeight, -1);
1.58 vatton 1177: }
1178:
1179: /*----------------------------------------------------------------------
1.91 quint 1180: CreateAttrIntAreaSize
1181: an HTML attribute "size" has been created or modified for a input element.
1182: Create or update the corresponding attribute IntAreaSize.
1183: ----------------------------------------------------------------------*/
1184: void CreateAttrIntAreaSize (int value, Element el, Document doc)
1185: {
1186: AttributeType attrType;
1187: Attribute attr;
1188: ElementType elType;
1189:
1190: elType = TtaGetElementType (el);
1191: attrType.AttrSSchema = elType.ElSSchema;
1192: attrType.AttrTypeNum = HTML_ATTR_IntAreaSize;
1193: attr = TtaGetAttribute (el, attrType);
1194: if (!attr)
1195: {
1196: attr = TtaNewAttribute (attrType);
1197: TtaAttachAttribute (el, attr, doc);
1198: }
1199: /* the presentation rule associated with attribute IntAreaSize expresses
1200: the element width in "em". Convert the value into em */
1201: TtaSetAttributeValue (attr, (int) (value * 0.55), el, doc);
1202: }
1203:
1204: /*----------------------------------------------------------------------
1.30 cvs 1205: CreateAttrIntSize
1206: an HTML attribute "size" has been created for a Font element.
1207: Create the corresponding internal attribute.
1208: ----------------------------------------------------------------------*/
1.46 cvs 1209: void CreateAttrIntSize (char *buffer, Element el, Document doc)
1.30 cvs 1210:
1211: {
1212: AttributeType attrType;
1213: int val, ind, factor, delta;
1214: Attribute attr;
1.37 cvs 1215: char msgBuffer[MaxMsgLength];
1.30 cvs 1216:
1217: /* is the first character a '+' or a '-' ? */
1218: ind = 0;
1219: factor = 1;
1220: delta = 0;
1221: if (buffer[0] == '+')
1222: {
1223: attrType.AttrTypeNum = HTML_ATTR_IntSizeIncr;
1224: ind++;
1.90 vatton 1225: factor = 1;
1.30 cvs 1226: }
1227: else if (buffer[0] == '-')
1228: {
1229: attrType.AttrTypeNum = HTML_ATTR_IntSizeDecr;
1230: ind++;
1.90 vatton 1231: factor = 1;
1.30 cvs 1232: }
1233: else
1234: {
1235: attrType.AttrTypeNum = HTML_ATTR_IntSizeRel;
1236: delta = 1;
1237: }
1238: attrType.AttrSSchema = TtaGetDocumentSSchema (doc);
1239: attr = TtaGetAttribute (el, attrType);
1.43 cvs 1240: if (sscanf (&buffer[ind], "%d", &val))
1.30 cvs 1241: {
1242: val = val * factor + delta;
1243: if (attr == NULL)
1244: {
1245: /* this attribute doesn't exist, create it */
1246: attr = TtaNewAttribute (attrType);
1247: TtaAttachAttribute (el, attr, doc);
1248: }
1249: TtaSetAttributeValue (attr, val, el, doc);
1250: }
1251: else
1252: /* its not a number. Delete attribute and send an error message */
1253: {
1254: if (attr)
1255: TtaRemoveAttribute (el, attr, doc);
1.37 cvs 1256: if (strlen (buffer) > MaxMsgLength - 30)
1.30 cvs 1257: buffer[MaxMsgLength - 30] = EOS;
1.37 cvs 1258: sprintf (msgBuffer, "Invalid attribute value \"%s\"", buffer);
1.42 cvs 1259: HTMLParseError (doc, msgBuffer);
1.30 cvs 1260: }
1261: }
1262: /*----------------------------------------------------------------------
1263: EndOfHTMLAttributeValue
1264: Filling of an HTML attribute value
1265: ----------------------------------------------------------------------*/
1.48 vatton 1266: void EndOfHTMLAttributeValue (char *attrValue,
1267: AttributeMapping *lastMappedAttr,
1268: Attribute currentAttribute,
1269: Element lastAttrElement,
1270: ThotBool UnknownAttr,
1271: ParserData *context,
1272: ThotBool isXML)
1.30 cvs 1273: {
1.48 vatton 1274: AttributeType attrType, attrType1;
1275: Attribute attr;
1.79 quint 1276: ElementType elType;
1.48 vatton 1277: Element child, root;
1278: Language lang;
1279: char translation;
1280: char shape;
1281: char *buffer;
1282: char *attrName;
1283: char msgBuffer[MaxMsgLength];
1284: int val;
1285: int length;
1286: int attrKind;
1287: ThotBool done = FALSE;
1.88 vatton 1288: ThotBool loadcss;
1.30 cvs 1289:
1.48 vatton 1290: /* treatments of some particular HTML attributes */
1291: if (!strcmp (lastMappedAttr->XMLattribute, "style"))
1292: {
1293: TtaSetAttributeText (currentAttribute, attrValue,
1294: lastAttrElement, context->doc);
1.88 vatton 1295: /* check if we have to load CSS */
1296: TtaGetEnvBoolean ("LOAD_CSS", &loadcss);
1297: if (loadcss)
1298: ParseHTMLSpecificStyle (context->lastElement, attrValue,
1299: context->doc, 100, FALSE);
1.48 vatton 1300: done = TRUE;
1301: }
1302: else
1303: {
1304: if (!strcmp (lastMappedAttr->XMLattribute, "link"))
1.89 vatton 1305: HTMLSetAlinkColor (context->doc, context->lastElement, attrValue);
1.48 vatton 1306: else if (!strcmp (lastMappedAttr->XMLattribute, "alink"))
1.89 vatton 1307: HTMLSetAactiveColor (context->doc, context->lastElement, attrValue);
1.48 vatton 1308: else if (!strcmp (lastMappedAttr->XMLattribute, "vlink"))
1.89 vatton 1309: HTMLSetAvisitedColor (context->doc, context->lastElement, attrValue);
1.48 vatton 1310: }
1.30 cvs 1311:
1.48 vatton 1312: if (!done)
1313: {
1314: val = 0;
1315: translation = lastMappedAttr->AttrOrContent;
1316: switch (translation)
1317: {
1318: case 'C': /* Content */
1319: child = PutInContent (attrValue, context);
1320: if (child != NULL)
1321: TtaAppendTextContent (child, "\" ", context->doc);
1322: break;
1323:
1324: case 'A':
1325: if (currentAttribute != NULL)
1326: {
1327: TtaGiveAttributeType (currentAttribute, &attrType, &attrKind);
1328: switch (attrKind)
1329: {
1330: case 0: /* enumerate */
1331: if (isXML)
1332: MapHTMLAttributeValue (attrValue, attrType, &val);
1333: else
1334: val = MapAttrValue (lastMappedAttr->ThotAttribute,
1.40 cvs 1335: attrValue);
1.48 vatton 1336: if (val < 0)
1337: {
1338: TtaGiveAttributeType (currentAttribute,
1339: &attrType, &attrKind);
1340: attrName = TtaGetAttributeName (attrType);
1341: sprintf (msgBuffer,
1.51 cvs 1342: "Invalid attribute value \"%s = %s\"",
1.48 vatton 1343: attrName, attrValue);
1344: if (isXML)
1345: XmlParseError (errorParsing, msgBuffer, 0);
1346: else
1.84 quint 1347: /* we are parsing an HTML file, not an XHTML file */
1.51 cvs 1348: {
1.84 quint 1349: /* generate an error message in the log */
1.51 cvs 1350: HTMLParseError (context->doc, msgBuffer);
1.84 quint 1351: /* special case for value POLYGON of attribute
1352: shape (AREA element) */
1353: if (attrType.AttrTypeNum == HTML_ATTR_shape &&
1354: strcasecmp (attrValue, "POLYGON") == 0)
1355: {
1356: val = HTML_ATTR_shape_VAL_polygon;
1357: /* interpret it as if it were "poly" */
1358: TtaSetAttributeValue (currentAttribute, val,
1359: lastAttrElement, context->doc);
1360: }
1361: else
1362: /* remove the attribute and replace it by an */
1363: /* Invalid_attribute (not for XHTML) */
1364: {
1365: TtaRemoveAttribute (lastAttrElement,
1.51 cvs 1366: currentAttribute, context->doc);
1.84 quint 1367: attrType.AttrSSchema =
1368: TtaGetDocumentSSchema (context->doc);
1369: attrType.AttrTypeNum =
1370: pHTMLAttributeMapping[0].ThotAttribute;
1371: sprintf (msgBuffer, "%s=%s", attrName,attrValue);
1372: CreateHTMLAttribute (lastAttrElement, attrType,
1373: msgBuffer, TRUE, context->doc,
1374: ¤tAttribute, &lastAttrElement);
1375: }
1.48 vatton 1376: }
1377: }
1378: else
1379: TtaSetAttributeValue (currentAttribute, val,
1380: lastAttrElement, context->doc);
1381: break;
1382: case 1: /* integer */
1383: if (attrType.AttrTypeNum == HTML_ATTR_Border &&
1384: !strcasecmp (attrValue, "border"))
1385: {
1386: /* border="border" for a table */
1387: val = 1;
1388: TtaSetAttributeValue (currentAttribute, val,
1.30 cvs 1389: lastAttrElement, context->doc);
1.48 vatton 1390: }
1391: else if (sscanf (attrValue, "%d", &val))
1392: TtaSetAttributeValue (currentAttribute, val,
1393: lastAttrElement, context->doc);
1394: else
1395: {
1396: TtaRemoveAttribute (lastAttrElement, currentAttribute,
1397: context->doc);
1398: sprintf (msgBuffer,
1399: "Unknown attribute value \"%s\"",
1400: attrValue);
1401: if (isXML)
1402: XmlParseError (errorParsing, msgBuffer, 0);
1403: else
1404: HTMLParseError (context->doc, msgBuffer);
1405: }
1406: break;
1407: case 2: /* text */
1408: if (!UnknownAttr)
1409: {
1410: TtaSetAttributeText (currentAttribute, attrValue,
1411: lastAttrElement, context->doc);
1.55 cvs 1412: if (attrType.AttrTypeNum == HTML_ATTR_Language)
1.48 vatton 1413: {
1414: /* it's a LANG attribute value */
1415: lang = TtaGetLanguageIdFromName (attrValue);
1.70 vatton 1416: if (lang < 0)
1.48 vatton 1417: {
1418: sprintf (msgBuffer,
1419: "warning - unsupported language: %s",
1420: attrValue);
1421: if (isXML)
1.87 vatton 1422: XmlParseError (warningMessage, msgBuffer, 0);
1.48 vatton 1423: else
1424: HTMLParseError (context->doc, msgBuffer);
1425: }
1426: else
1427: {
1428: /* change current language */
1429: context->language = lang;
1430: if (isXML)
1431: SetLanguagInXmlStack (lang);
1432: else
1433: SetLanguagInHTMLStack (lang);
1434: }
1435: root = TtaGetRootElement (context->doc);
1436: if (lastAttrElement == root)
1437: /* it's a LANG attribute on the root element */
1438: /* set the RealLang attribute */
1439: {
1440: attrType1.AttrSSchema = TtaGetDocumentSSchema (context->doc);
1441: attrType1.AttrTypeNum = HTML_ATTR_RealLang;
1442: /* this attribute could be already present,
1443: (lang and xml:lang attributes) */
1444: if (!TtaGetAttribute (lastAttrElement,
1445: attrType1))
1446: /* it's not present. Add it */
1447: {
1448: attr = TtaNewAttribute (attrType1);
1449: TtaAttachAttribute (lastAttrElement,
1450: attr, context->doc);
1451: TtaSetAttributeValue (attr,
1452: HTML_ATTR_RealLang_VAL_Yes_,
1453: lastAttrElement,
1454: context->doc);
1455: }
1456: }
1457: }
1458: else if (attrType.AttrTypeNum == HTML_ATTR_accesskey)
1459: TtaAddAccessKey (context->doc, (unsigned int)attrValue[0],
1460: lastAttrElement);
1461: }
1462: else
1463: {
1.51 cvs 1464: /* this is the content of an invalid attribute */
1465: /* append it to the current Invalid_attribute */
1466: if (!isXML)
1467: {
1468: length = strlen (attrValue) + 2;
1469: length += TtaGetTextAttributeLength (currentAttribute);
1470: buffer = TtaGetMemory (length + 1);
1471: TtaGiveTextAttributeValue (currentAttribute,
1472: buffer, &length);
1473: strcat (buffer, "=");
1474: strcat (buffer, attrValue);
1475: TtaSetAttributeText (currentAttribute, buffer,
1476: lastAttrElement, context->doc);
1477: TtaFreeMemory (buffer);
1478: }
1.48 vatton 1479: }
1480: break;
1481: case 3: /* reference */
1482: break;
1483: }
1484: }
1485: break;
1486:
1487: case SPACE:
1488: if (isXML)
1489: XhtmlTypeAttrValue (attrValue, currentAttribute,
1.30 cvs 1490: lastAttrElement, context);
1.48 vatton 1491: else
1492: HTMLTypeAttrValue (attrValue, currentAttribute,
1493: lastAttrElement, context);
1494: break;
1495:
1.30 cvs 1496: default:
1497: break;
1.48 vatton 1498: }
1.30 cvs 1499:
1500: if (lastMappedAttr->ThotAttribute == HTML_ATTR_Width__)
1.79 quint 1501: /* HTML attribute "width" */
1502: {
1503: /* if it's an Object element, wait until all attributes are handled,
1504: especially the data attribute that may generate the image to
1505: which the width has to be applied */
1506: elType = TtaGetElementType (lastAttrElement);
1507: if (elType.ElTypeNum != HTML_EL_Object)
1508: /* create the corresponding attribute IntWidthPercent or */
1509: /* IntWidthPxl */
1510: CreateAttrWidthPercentPxl (attrValue, lastAttrElement,
1511: context->doc, -1);
1512: }
1.58 vatton 1513: else if (lastMappedAttr->ThotAttribute == HTML_ATTR_Height_)
1.79 quint 1514: /* HTML attribute "height" */
1515: {
1516: /* if it's an Object element, wait until all attributes are handled,
1517: especially the data attribute that may generate the image to
1518: which the height has to be applied */
1519: elType = TtaGetElementType (lastAttrElement);
1520: if (elType.ElTypeNum != HTML_EL_Object)
1521: /* create the corresponding attribute IntHeightPercent or */
1522: /* IntHeightPxl */
1523: CreateAttrHeightPercentPxl (attrValue, lastAttrElement,
1524: context->doc, -1);
1525: }
1.91 quint 1526: else if (lastMappedAttr->ThotAttribute == HTML_ATTR_Area_Size)
1527: /* HTML attribute "size" for an element "input" */
1528: CreateAttrIntAreaSize (val, lastAttrElement, context->doc);
1.48 vatton 1529: else if (!strcmp (lastMappedAttr->XMLattribute, "size"))
1530: {
1531: TtaGiveAttributeType (currentAttribute, &attrType, &attrKind);
1532: if (attrType.AttrTypeNum == HTML_ATTR_Font_size)
1533: CreateAttrIntSize (attrValue, lastAttrElement, context->doc);
1534: }
1535: else if (!strcmp (lastMappedAttr->XMLattribute, "shape"))
1536: {
1537: child = TtaGetFirstChild (lastAttrElement);
1538: if (child != NULL)
1539: {
1540: switch (val)
1541: {
1542: case HTML_ATTR_shape_VAL_rectangle:
1543: shape = 'R';
1544: break;
1545: case HTML_ATTR_shape_VAL_circle:
1546: shape = 'a';
1547: break;
1548: case HTML_ATTR_shape_VAL_polygon:
1549: shape = 'p';
1550: break;
1551: default:
1552: shape = SPACE;
1553: break;
1554: }
1555: TtaSetGraphicsShape (child, shape, context->doc);
1556: }
1557: }
1558: else if (!strcmp (lastMappedAttr->XMLattribute, "value"))
1559: {
1560: elType = TtaGetElementType (lastAttrElement);
1561: if (elType.ElTypeNum == HTML_EL_Text_Input ||
1562: elType.ElTypeNum == HTML_EL_Password_Input ||
1563: elType.ElTypeNum == HTML_EL_File_Input ||
1564: elType.ElTypeNum == HTML_EL_Input)
1565: /* create a Default_Value attribute with the same content */
1566: {
1567: attrType1.AttrSSchema = attrType.AttrSSchema;
1568: attrType1.AttrTypeNum = HTML_ATTR_Default_Value;
1569: attr = TtaNewAttribute (attrType1);
1570: TtaAttachAttribute (lastAttrElement, attr, context->doc);
1571: TtaSetAttributeText (attr, attrValue,
1572: lastAttrElement, context->doc);
1573: }
1574: }
1.30 cvs 1575: else
1.48 vatton 1576: {
1577: /* Some HTML attributes are equivalent to a CSS property: */
1578: /* background -> background */
1579: /* bgcolor -> background */
1580: /* text -> color */
1581: /* color -> color */
1582: if (!strcmp (lastMappedAttr->XMLattribute, "background"))
1583: {
1584: if (strlen (attrValue) > MaxMsgLength - 30)
1585: attrValue[MaxMsgLength - 30] = EOS;
1.76 vatton 1586: HTMLSetBackgroundImage (context->doc, context->lastElement,
1.85 vatton 1587: REPEAT, attrValue, FALSE);
1.48 vatton 1588: }
1589: else if (!strcmp (lastMappedAttr->XMLattribute, "bgcolor"))
1.76 vatton 1590: HTMLSetBackgroundColor (context->doc, context->lastElement,
1591: attrValue);
1.48 vatton 1592: else if (!strcmp (lastMappedAttr->XMLattribute, "text") ||
1593: !strcmp (lastMappedAttr->XMLattribute, "color"))
1594: HTMLSetForegroundColor (context->doc,
1595: context->lastElement, attrValue);
1596: }
1597: }
1.30 cvs 1598: }
1599:
1600: /*----------------------------------------------------------------------
1.16 cvs 1601: MapHTMLAttributeValue
1.2 cvs 1602: Search in the Attribute Value Mapping Table the entry for the attribute
1.66 vatton 1603: ThotAtt and its value attVal. Returns the corresponding Thot value.
1.1 cvs 1604: ----------------------------------------------------------------------*/
1.66 vatton 1605: void MapHTMLAttributeValue (char *attVal, AttributeType attrType, int *value)
1.1 cvs 1606: {
1.66 vatton 1607: MapXMLAttributeValue (XHTML_TYPE, attVal, attrType, value);
1.1 cvs 1608: }
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