Annotation of Amaya/amaya/fetchXMLname.c, revision 1.52
1.1 cvs 1: /*
2: *
1.38 cvs 3: * (c) COPYRIGHT MIT and INRIA, 1996-2001
1.1 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
7:
8: /*
9: *
10: * fetchXMLname
11: *
1.46 cvs 12: * Authors: I. Vatton
13: * L. Carcone
1.1 cvs 14: *
15: */
16:
17: #define THOT_EXPORT extern
18: #include "amaya.h"
19: #include "parser.h"
1.24 cvs 20: #include "HTMLnames.h"
21: #include "MathMLnames.h"
1.49 vatton 22: #include "SVGnames.h"
1.24 cvs 23: #include "XLinknames.h"
24:
1.35 cvs 25: /* define some pointers to let other parser functions access the local table */
1.24 cvs 26: int HTML_ENTRIES = (sizeof(XHTMLElemMappingTable) / sizeof(ElemMapping));
27: ElemMapping *pHTMLGIMapping = XHTMLElemMappingTable;
28: AttributeMapping *pHTMLAttributeMapping = XHTMLAttributeMappingTable;
1.14 cvs 29:
1.35 cvs 30: XmlEntity *pXhtmlEntityTable = XhtmlEntityTable;
31: XmlEntity *pMathEntityTable = MathEntityTable;
1.1 cvs 32:
33: #include "fetchXMLname_f.h"
34:
1.39 cvs 35: /* Global variables used by the entity mapping */
36: static int XHTMLSup = 0;
37: static int MathSup = 0;
38:
1.1 cvs 39: /*----------------------------------------------------------------------
1.14 cvs 40: GetXHTMLSSchema returns the XHTML Thot schema for document doc.
41: ----------------------------------------------------------------------*/
1.46 cvs 42: SSchema GetXHTMLSSchema (Document doc)
1.14 cvs 43: {
44: SSchema XHTMLSSchema;
45:
1.43 cvs 46: XHTMLSSchema = TtaGetSSchema ("HTML", doc);
1.14 cvs 47: if (XHTMLSSchema == NULL)
1.17 cvs 48: XHTMLSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc),
1.46 cvs 49: "HTML", "HTMLP");
1.14 cvs 50: return (XHTMLSSchema);
51: }
52:
1.42 cvs 53: /*----------------------------------------------------------------------charName
1.1 cvs 54: GetMathMLSSchema returns the MathML Thot schema for document doc.
55: ----------------------------------------------------------------------*/
1.46 cvs 56: SSchema GetMathMLSSchema (Document doc)
1.1 cvs 57: {
58: SSchema MathMLSSchema;
59:
1.43 cvs 60: MathMLSSchema = TtaGetSSchema ("MathML", doc);
1.13 cvs 61: if (MathMLSSchema == NULL)
1.17 cvs 62: MathMLSSchema = TtaNewNature(doc,
1.46 cvs 63: TtaGetDocumentSSchema(doc),
64: "MathML", "MathMLP");
1.13 cvs 65: return (MathMLSSchema);
1.1 cvs 66: }
67:
68: /*----------------------------------------------------------------------
1.49 vatton 69: GetSVGSSchema returns the SVG Thot schema for document doc.
1.1 cvs 70: ----------------------------------------------------------------------*/
1.49 vatton 71: SSchema GetSVGSSchema (Document doc)
1.1 cvs 72:
73: {
1.49 vatton 74: SSchema SVGSSchema;
1.1 cvs 75:
1.49 vatton 76: SVGSSchema = TtaGetSSchema ("SVG", doc);
77: if (SVGSSchema == NULL)
78: SVGSSchema = TtaNewNature(doc,
1.46 cvs 79: TtaGetDocumentSSchema(doc),
1.49 vatton 80: "SVG", "SVGP");
81: return (SVGSSchema);
1.1 cvs 82: }
83:
84: /*----------------------------------------------------------------------
1.13 cvs 85: GetXLinkSSchema returns the XLink Thot schema for document doc.
86: ----------------------------------------------------------------------*/
1.46 cvs 87: SSchema GetXLinkSSchema (Document doc)
1.13 cvs 88:
89: {
90: SSchema XLinkSSchema;
91:
1.43 cvs 92: XLinkSSchema = TtaGetSSchema ("XLink", doc);
1.13 cvs 93: if (XLinkSSchema == NULL)
1.46 cvs 94: XLinkSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc),
95: "XLink", "XLinkP");
1.13 cvs 96: return (XLinkSSchema);
97: }
98:
99: /*----------------------------------------------------------------------
1.46 cvs 100: GetGenericXMLSSchema returns the XML Thot schema for the document doc.
101: ----------------------------------------------------------------------*/
102: SSchema GetGenericXMLSSchema (Document doc)
103:
104: {
105: SSchema XMLSSchema;
106:
107: XMLSSchema = TtaGetSSchema ("XML", doc);
108: if (XMLSSchema == NULL)
109: XMLSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc),
110: "XML", "XMLP");
111: return (XMLSSchema);
112: }
113:
114: /*----------------------------------------------------------------------
115: GetGenericXMLSSchemaByUri returns the XML Thot schema for the document doc.
116: ----------------------------------------------------------------------*/
117: SSchema GetGenericXMLSSchemaByUri (char *uriName, Document doc, ThotBool *isnew)
118:
119: {
120: SSchema XMLSSchema;
121:
122: XMLSSchema = TtaGetSSchemaByUri (uriName, doc);
123: if (XMLSSchema == NULL)
124: {
125: XMLSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc),
126: "XML", "XMLP");
127: *isnew = TRUE;
128: }
129: return (XMLSSchema);
130: }
131:
132: /*----------------------------------------------------------------------
1.13 cvs 133: GetXMLSSchema returns the XML Thot schema for document doc.
1.1 cvs 134: ----------------------------------------------------------------------*/
1.45 cvs 135: SSchema GetXMLSSchema (int XMLtype, Document doc)
1.38 cvs 136:
1.1 cvs 137: {
1.14 cvs 138: if (XMLtype == XHTML_TYPE)
139: return GetXHTMLSSchema (doc);
140: else if (XMLtype == MATH_TYPE)
1.13 cvs 141: return GetMathMLSSchema (doc);
1.51 cvs 142: else if (XMLtype == SVG_TYPE)
1.49 vatton 143: return GetSVGSSchema (doc);
1.13 cvs 144: else if (XMLtype == XLINK_TYPE)
1.15 cvs 145: return GetXLinkSSchema (doc);
1.13 cvs 146: else
147: return NULL;
1.1 cvs 148: }
149:
150:
151: /*----------------------------------------------------------------------
1.22 cvs 152: MapXMLElementType
153: Generic function which searchs in the Element Mapping table, selected
154: by the parameter XMLtype, the entry XMLname and returns the corresponding
155: Thot element type.
1.1 cvs 156: Returns:
1.22 cvs 157: - ElTypeNum and ElSSchema into elType ElTypeNum = 0 if not found.
1.1 cvs 158: - content
159: ----------------------------------------------------------------------*/
1.46 cvs 160: void MapXMLElementType (int XMLtype,
161: char *XMLname,
162: ElementType *elType,
163: char **mappedName,
164: char *content,
165: ThotBool *highEnoughLevel,
1.45 cvs 166: Document doc)
1.1 cvs 167: {
168: int i;
169: ElemMapping *ptr;
170:
1.32 cvs 171: /* Initialize variables */
172: *mappedName = NULL;
173: *highEnoughLevel = TRUE;
174: elType->ElTypeNum = 0;
175:
1.1 cvs 176: /* Select the right table */
1.14 cvs 177: if (XMLtype == XHTML_TYPE)
178: ptr = XHTMLElemMappingTable;
179: else if (XMLtype == MATH_TYPE)
1.31 cvs 180: {
181: if (ParsingLevel[doc] == L_Basic && DocumentTypes[doc] == docHTML)
1.32 cvs 182: {
183: /* Maths are not allowed in this document */
184: ptr = NULL;
185: *highEnoughLevel = FALSE;
186: }
1.31 cvs 187: else
188: ptr = MathMLElemMappingTable;
189: }
1.51 cvs 190: else if (XMLtype == SVG_TYPE)
1.31 cvs 191: {
192: if (ParsingLevel[doc] == L_Basic && DocumentTypes[doc] == docHTML)
1.32 cvs 193: {
194: /* Graphics are not allowed in this document */
195: ptr = NULL;
196: *highEnoughLevel = FALSE;
197: }
1.31 cvs 198: else
1.49 vatton 199: ptr = SVGElemMappingTable;
1.31 cvs 200: }
1.1 cvs 201: else
202: ptr = NULL;
1.32 cvs 203:
1.1 cvs 204: if (ptr != NULL)
205: {
206: /* search in the ElemMappingTable */
207: i = 0;
208: /* look for the first concerned entry in the table */
1.44 cvs 209: while (ptr[i].XMLname[0] < XMLname[0] && ptr[i].XMLname[0] != EOS)
1.32 cvs 210: i++;
1.1 cvs 211: /* look at all entries starting with the right character */
212: do
1.44 cvs 213: if (strcmp (ptr[i].XMLname, XMLname))
1.32 cvs 214: /* it's not the tag */
1.1 cvs 215: i++;
1.37 cvs 216: else if (ParsingLevel[doc] != L_Other &&
1.47 cvs 217: !(ptr[i].Level & ParsingLevel[doc]))
1.32 cvs 218: {
219: /* this tag is not valid for the current parsing level */
220: *highEnoughLevel = FALSE;
221: i++;
222: }
1.1 cvs 223: else
224: {
225: elType->ElTypeNum = ptr[i].ThotType;
226: if (elType->ElSSchema == NULL)
227: elType->ElSSchema = GetXMLSSchema (XMLtype, doc);
228: *mappedName = ptr[i].XMLname;
229: *content = ptr[i].XMLcontents;
230: }
231: while (elType->ElTypeNum <= 0 && ptr[i].XMLname[0] == XMLname[0]);
232: }
233: }
234:
235:
236: /*----------------------------------------------------------------------
237: GetXMLElementName
1.52 ! cvs 238: Generic function which searchs in the mapping tables the XML name for
1.22 cvs 239: a given Thot type.
1.1 cvs 240: ----------------------------------------------------------------------*/
1.44 cvs 241: char* GetXMLElementName (ElementType elType, Document doc)
1.1 cvs 242: {
1.46 cvs 243: ElemMapping *ptr;
244: char *name;
245: int i;
246: ThotBool invalid = FALSE;
1.27 cvs 247:
248: if (elType.ElTypeNum > 0)
249: {
250: i = 0;
251: /* Select the table which matches with the element schema */
252: name = TtaGetSSchemaName (elType.ElSSchema);
1.44 cvs 253: if (strcmp ("MathML", name) == 0)
1.27 cvs 254: ptr = MathMLElemMappingTable;
1.49 vatton 255: else if (strcmp ("SVG", name) == 0)
256: ptr = SVGElemMappingTable;
1.27 cvs 257: else
258: ptr = XHTMLElemMappingTable;
259:
260: if (ptr)
261: do
262: {
263: if (ptr[i].ThotType == elType.ElTypeNum)
264: {
1.37 cvs 265: if (doc == 0 ||
266: ParsingLevel[doc] == L_Other ||
1.47 cvs 267: (ptr[i].Level & ParsingLevel[doc]))
1.27 cvs 268: return ptr[i].XMLname;
269: else
270: invalid = TRUE;
271: }
272: i++;
273: }
1.44 cvs 274: while (ptr[i].XMLname[0] != EOS);
1.27 cvs 275: }
276: if (invalid)
1.43 cvs 277: return "";
1.27 cvs 278: else
1.43 cvs 279: return "???";
1.22 cvs 280: }
1.25 cvs 281:
282:
1.29 cvs 283:
284: /*----------------------------------------------------------------------
1.30 cvs 285: IsXMLElementInline
1.52 ! cvs 286: Generic function which searchs in the mapping tables if a given
1.29 cvs 287: Thot type is an inline character or not
288: ----------------------------------------------------------------------*/
1.52 ! cvs 289: ThotBool IsXMLElementInline (ElementType elType, Document doc)
1.29 cvs 290: {
1.34 cvs 291: int i;
292: ThotBool ret = FALSE;
1.45 cvs 293: char *name;
1.34 cvs 294: ElemMapping *ptr;
1.29 cvs 295:
296: if (elType.ElTypeNum > 0)
297: {
298: i = 0;
299: /* Select the table which matches with the element schema */
300: name = TtaGetSSchemaName (elType.ElSSchema);
1.44 cvs 301: if (strcmp ("MathML", name) == 0)
1.29 cvs 302: ptr = MathMLElemMappingTable;
1.49 vatton 303: else if (strcmp ("SVG", name) == 0)
304: ptr = SVGElemMappingTable;
1.52 ! cvs 305: else if (strcmp ("HTML", name) == 0)
! 306: ptr = XHTMLElemMappingTable;
1.29 cvs 307: else
1.52 ! cvs 308: ptr = NULL;
1.29 cvs 309:
310: if (ptr)
311: {
1.44 cvs 312: while (ptr[i].XMLname[0] != EOS &&
1.29 cvs 313: ptr[i].ThotType != elType.ElTypeNum)
314: i++;
315: if (ptr[i].ThotType == elType.ElTypeNum)
316: ret = ptr[i].Inline;
317: }
318: }
319: return ret;
320: }
321:
1.22 cvs 322: /*----------------------------------------------------------------------
1.24 cvs 323: MapXMLAttribute
1.22 cvs 324: Generic function which searchs in the Attribute Mapping Table (table)
325: the entry attrName associated to the element elementName.
1.24 cvs 326: Returns the corresponding entry or -1.
1.22 cvs 327: ----------------------------------------------------------------------*/
1.44 cvs 328: int MapXMLAttribute (int XMLtype, char *attrName,
329: char *elementName, ThotBool *highEnoughLevel,
1.33 cvs 330: Document doc, int *thotType)
1.22 cvs 331: {
1.24 cvs 332: int i;
333: AttributeMapping *ptr;
334:
1.33 cvs 335: /* Initialization */
336: *highEnoughLevel = TRUE;
337: i = 1;
338: *thotType = 0;
1.50 cvs 339:
340: /* Select the right table */
341: if (XMLtype == XHTML_TYPE)
342: ptr = XHTMLAttributeMappingTable;
343: else if (XMLtype == MATH_TYPE)
344: ptr = MathMLAttributeMappingTable;
1.51 cvs 345: else if (XMLtype == SVG_TYPE)
1.50 cvs 346: ptr = SVGAttributeMappingTable;
347: else if (XMLtype == XLINK_TYPE)
348: ptr = XLinkAttributeMappingTable;
349: else
350: ptr = NULL;
351:
1.24 cvs 352: if (ptr == NULL)
353: return -1;
1.50 cvs 354:
355: if (strcmp (attrName, "unknown_attr") == 0)
356: {
357: *thotType = ptr[0].ThotAttribute;
358: return 0;
359: }
1.22 cvs 360:
361: /* look for the first concerned entry in the table */
1.33 cvs 362: while (ptr[i].XMLattribute[0] < attrName[0] &&
1.44 cvs 363: ptr[i].XMLattribute[0] != EOS)
1.22 cvs 364: i++;
1.33 cvs 365:
1.24 cvs 366: while (ptr[i].XMLattribute[0] == attrName[0])
1.22 cvs 367: {
1.44 cvs 368: if (strcmp (ptr[i].XMLattribute, attrName) ||
369: (ptr[i].XMLelement[0] != EOS &&
370: strcmp (ptr[i].XMLelement, elementName)))
1.22 cvs 371: i++;
1.47 cvs 372: else if (ParsingLevel[doc] != L_Other &&
373: !(ptr[i].Level & ParsingLevel[doc]))
1.33 cvs 374: {
375: *highEnoughLevel = FALSE;
376: i++;
377: }
1.22 cvs 378: else
1.24 cvs 379: {
380: *thotType = ptr[i].ThotAttribute;
381: return (i);
382: }
1.22 cvs 383: }
1.24 cvs 384: return (-1);
1.25 cvs 385: }
386:
387:
388: /*----------------------------------------------------------------------
1.37 cvs 389: GetXMLAttributeName
1.52 ! cvs 390: Generic function which searchs in the mapping tables the XML name for
1.25 cvs 391: a given Thot type.
392: ----------------------------------------------------------------------*/
1.44 cvs 393: char* GetXMLAttributeName (AttributeType attrType,
1.46 cvs 394: ElementType elType,
395: Document doc)
1.25 cvs 396: {
397: AttributeMapping *ptr;
1.45 cvs 398: char *name, *tag;
1.25 cvs 399: int i;
1.27 cvs 400: ThotBool invalid = FALSE;
1.25 cvs 401:
1.27 cvs 402: if (attrType.AttrTypeNum > 0)
403: {
1.28 cvs 404: /* get the specific element tag */
405: if (elType.ElTypeNum > 0)
406: tag = GetXMLElementName (elType, doc);
407: else
1.43 cvs 408: tag = "";
1.28 cvs 409:
1.27 cvs 410: i = 0;
411: /* Select the table which matches with the element schema */
412: name = TtaGetSSchemaName (attrType.AttrSSchema);
1.44 cvs 413: if (strcmp ("MathML", name) == 0)
1.27 cvs 414: ptr = MathMLAttributeMappingTable;
1.49 vatton 415: else if (strcmp ("SVG", name) == 0)
416: ptr = SVGAttributeMappingTable;
1.44 cvs 417: else if (strcmp ("XLink", name) == 0)
1.27 cvs 418: ptr = XLinkAttributeMappingTable;
419: else
420: ptr = XHTMLAttributeMappingTable;
421:
422: if (ptr)
423: do
424: {
1.28 cvs 425: if (ptr[i].ThotAttribute == attrType.AttrTypeNum &&
1.44 cvs 426: (ptr[i].XMLelement[0] == EOS ||
427: !strcmp (ptr[i].XMLelement, tag)))
1.25 cvs 428: {
1.48 cvs 429: if (doc != 0 &&
430: ParsingLevel[doc] != L_Other &&
431: !(ptr[i].Level & ParsingLevel[doc]))
432: invalid = TRUE;
433: else
1.25 cvs 434: return ptr[i].XMLattribute;
435: }
436: i++;
1.27 cvs 437: }
1.44 cvs 438: while (ptr[i].XMLattribute[0] != EOS);
1.27 cvs 439: }
440: if (invalid)
1.43 cvs 441: return "";
1.27 cvs 442: else
1.43 cvs 443: return "???";
1.36 cvs 444: }
445:
446: /*----------------------------------------------------------------------
447: MapXMLEntity
448: Generic function which searchs in the Entity Mapping Table (table)
449: the entry entityName and give the corresponding decimal value.
450: Returns FALSE if entityName is not found.
451: ----------------------------------------------------------------------*/
1.46 cvs 452: ThotBool MapXMLEntity (int XMLtype, char *entityName, int *entityValue)
1.36 cvs 453: {
454: XmlEntity *ptr;
455: ThotBool found;
1.38 cvs 456: int inf, sup, med, rescomp;
1.36 cvs 457:
1.38 cvs 458: /* Initialization */
1.36 cvs 459: found = FALSE;
1.42 cvs 460: sup = 0;
1.36 cvs 461:
462: /* Select the right table */
463: if (XMLtype == XHTML_TYPE)
1.39 cvs 464: {
465: ptr = XhtmlEntityTable;
466: if (XHTMLSup == 0)
467: for (XHTMLSup = 0; ptr[XHTMLSup].charCode > 0; XHTMLSup++);
468: sup = XHTMLSup;
469: }
1.36 cvs 470: else if (XMLtype == MATH_TYPE)
1.39 cvs 471: {
472: ptr = MathEntityTable;
473: if (MathSup == 0)
474: for (MathSup = 0; ptr[MathSup].charCode > 0; MathSup++);
475: sup = MathSup;
476: }
1.36 cvs 477: else
478: ptr = NULL;
479:
480: if (ptr == NULL)
1.38 cvs 481: return found;
482:
483: inf = 0;
484: while (sup >= inf && !found)
485: /* Dichotomic research */
1.36 cvs 486: {
1.38 cvs 487: med = (sup + inf) / 2;
1.44 cvs 488: rescomp = strcmp (ptr[med].charName, entityName);
1.38 cvs 489: if (rescomp == 0)
490: {
491: /* entity found */
492: *entityValue = ptr[med].charCode;
493: found = TRUE;
494: }
495: else
496: {
497: if (rescomp > 0)
498: sup = med - 1;
499: else
500: inf = med + 1;
501: }
1.36 cvs 502: }
1.38 cvs 503: return found;
504: }
1.39 cvs 505:
506: /*----------------------------------------------------------------------
507: MapEntityByCode
508: Generic function which searchs in the Entity Mapping Table (table)
509: the entry with code entityValue and give the corresponding name.
510: Returns FALSE if entityValue is not found.
511: ----------------------------------------------------------------------*/
1.40 cvs 512: void MapEntityByCode (int entityValue, char **entityName)
1.39 cvs 513: {
514: XmlEntity *ptr;
515: ThotBool found;
516: int i;
517:
518: /* Select the right table */
1.40 cvs 519: ptr = XhtmlEntityTable;
520: if (ptr)
521: {
1.41 cvs 522: /* look for in the HTML entities table */
1.40 cvs 523: found = FALSE;
1.41 cvs 524: while (ptr && !found)
525: {
526: for (i = 0; ptr[i].charCode >= 0 && !found; i++)
527: found = (ptr[i].charCode == entityValue);
1.39 cvs 528:
1.41 cvs 529: if (found)
530: {
531: /* entity value found */
532: i--;
533: *entityName = (char *) (ptr[i].charName);
534: }
535: else if (ptr != MathEntityTable)
536: /* look for in the Math entities table */
537: ptr = MathEntityTable;
538: else
539: {
540: *entityName = NULL;
541: ptr = NULL;
542: }
1.40 cvs 543: }
544: }
1.39 cvs 545: else
1.40 cvs 546: *entityName = NULL;
1.39 cvs 547: }
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