Annotation of Amaya/amaya/MathMLbuilder.c, revision 1.48
1.1 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
7:
8: /*
9: *
10: * MathMLbuilder
11: *
12: * Author: V. Quint
13: */
14:
15:
16: #define THOT_EXPORT extern
1.4 cvs 17: #include "amaya.h"
1.25 cvs 18: #include "css.h"
1.17 cvs 19: #include "undo.h"
1.25 cvs 20: #include "MathML.h"
21: #include "parser.h"
1.35 cvs 22: #include "html2thot_f.h"
1.1 cvs 23:
1.44 cvs 24: typedef CHAR_T MathEntityName[30];
1.1 cvs 25: typedef struct _MathEntity
26: { /* a Math entity representing an operator char */
27: MathEntityName MentityName; /* entity name */
28: int charCode; /* decimal code of char */
1.15 cvs 29: CHAR_T alphabet; /* 'L' = ISO-Latin-1, 'G' = Symbol */
1.1 cvs 30: }
31: MathEntity;
32:
33: static MathEntity MathEntityTable[] =
34: {
35: /* This table MUST be in alphabetical order */
36: /* This table contains characters from the Symbol font plus some
37: specific MathML entities */
1.44 cvs 38: {TEXT("Agr"), 65, 'G'},
39: {TEXT("And"), 217, 'G'},
40: {TEXT("ApplyFunction"), 32, 'L'}, /* render as white space */
41: {TEXT("Backslash"), 92, 'L'},
42: {TEXT("Bgr"), 66, 'G'},
43: {TEXT("Cap"), 199, 'G'},
44: {TEXT("CenterDot"), 215, 'G'},
45: {TEXT("CirclePlus"), 197, 'G'},
46: {TEXT("CircleTimes"), 196, 'G'},
47: {TEXT("Colon"), 58, 'G'},
48: {TEXT("Congruent"), 64, 'G'},
49: {TEXT("Cup"), 200, 'G'},
50: {TEXT("Delta"), 68, 'G'},
51: {TEXT("Diamond"), 168, 'G'},
52: {TEXT("DoubleDownArrow"), 223, 'G'},
53: {TEXT("DoubleLeftArrow"), 220, 'G'},
54: {TEXT("DoubleLeftRightArrow"), 219, 'G'},
55: {TEXT("DoubleRightArrow"), 222, 'G'},
56: {TEXT("DoubleUpArrow"), 221, 'G'},
57: {TEXT("DownArrow"), 175, 'G'},
58: {TEXT("DownTee"), 94, 'G'},
59: {TEXT("EEgr"), 72, 'G'},
60: {TEXT("Egr"), 69, 'G'},
61: {TEXT("Element"), 206, 'G'},
62: {TEXT("Equal"), 61, 'L'},
63: {TEXT("EqualTilde"), 64, 'G'},
64: {TEXT("Exists"), 36, 'G'},
65: {TEXT("ForAll"), 34, 'G'},
66: {TEXT("Gamma"), 71, 'G'},
67: {TEXT("GreaterEqual"), 179, 'G'},
68: {TEXT("Igr"), 73, 'G'},
69: {TEXT("Integral"), 242, 'G'},
70: {TEXT("Intersection"), 199, 'G'},
71: {TEXT("InvisibleTimes"), 0, SPACE},
72: {TEXT("Kgr"), 75, 'G'},
73: {TEXT("KHgr"), 67, 'G'},
74: {TEXT("Lambda"), 76, 'G'},
75: {TEXT("LeftArrow"), 172, 'G'},
76: {TEXT("LeftRightArrow"), 171, 'G'},
77: {TEXT("Mgr"), 77, 'G'},
78: {TEXT("Ngr"), 78, 'G'},
79: {TEXT("NonBreakingSpace"), 160, 'L'},
80: {TEXT("Not"), 216, 'G'},
81: {TEXT("NotElement"), 207, 'G'},
82: {TEXT("NotEqual"), 185, 'G'},
83: {TEXT("NotSubset"), 203, 'G'},
84: {TEXT("Ogr"), 79, 'G'},
85: {TEXT("Omega"), 87, 'G'},
86: {TEXT("Or"), 218, 'G'},
87: {TEXT("PI"), 213, 'G'},
88: {TEXT("PartialD"), 182, 'G'},
89: {TEXT("Phi"), 70, 'G'},
90: {TEXT("Pi"), 80, 'G'},
91: {TEXT("PlusMinus"), 177, 'G'},
92: {TEXT("Product"), 213, 'G'},
93: {TEXT("Proportional"), 181, 'G'},
94: {TEXT("Psi"), 89, 'G'},
95: {TEXT("Rgr"), 82, 'G'},
96: {TEXT("RightArrow"), 174, 'G'},
97: {TEXT("Sigma"), 83, 'G'},
98: {TEXT("Sol"), 164, 'G'},
99: {TEXT("Star"), 42, 'L'},
100: {TEXT("Subset"), 204, 'G'},
101: {TEXT("SubsetEqual"), 205, 'G'},
102: {TEXT("SuchThat"), 39, 'G'},
103: {TEXT("Sum"), 229, 'G'},
104: {TEXT("Superset"), 201, 'G'},
105: {TEXT("SupersetEqual"), 202, 'G'},
106: {TEXT("Tgr"), 84, 'G'},
107: {TEXT("Therefore"), 92, 'G'},
108: {TEXT("Theta"), 81, 'G'},
109: {TEXT("Tilde"), 126, 'L'},
110: {TEXT("TripleDot"), 188, 'G'},
111: {TEXT("Union"), 200, 'G'},
112: {TEXT("UpArrow"), 173, 'G'},
113: {TEXT("Upsi"), 85, 'G'},
114: {TEXT("Upsi1"), 161, 'G'},
115: {TEXT("Vee"), 218, 'G'},
116: {TEXT("Verbar"), 189, 'G'},
117: {TEXT("VerticalBar"), 124, 'L'},
118: {TEXT("Xi"), 88, 'G'},
119: {TEXT("Zgr"), 90, 'G'},
120: {TEXT("af"), 32, 'L'}, /* render as white space */
121: {TEXT("aleph"), 192, 'G'},
122: {TEXT("alpha"), 97, 'G'},
123: {TEXT("and"), 217, 'G'},
124: {TEXT("angle"), 208, 'G'},
125: {TEXT("ap"), 187, 'G'},
126: {TEXT("beta"), 98, 'G'},
127: {TEXT("bottom"), 94, 'G'},
128: {TEXT("bull"), 183, 'G'},
129: {TEXT("cap"), 199, 'G'},
130: {TEXT("chi"), 99, 'G'},
131: {TEXT("clubs"), 167, 'G'},
132: {TEXT("cong"), 64, 'G'},
133: {TEXT("copysf"), 211, 'G'},
134: {TEXT("copyssf"), 227, 'G'},
135: {TEXT("cr"), 191, 'G'},
136: {TEXT("cup"), 200, 'G'},
137: {TEXT("darr"), 175, 'G'},
138: {TEXT("dArr"), 223, 'G'},
139: {TEXT("dd"), 100, 'L'},
140: {TEXT("deg"), 176, 'G'},
141: {TEXT("delta"), 100, 'G'},
142: {TEXT("diams"), 168, 'G'},
143: {TEXT("divide"), 184, 'G'},
144: {TEXT("dtri"), 209, 'G'},
145: {TEXT("ee"), 101, 'L'},
146: {TEXT("empty"), 198, 'G'},
147: {TEXT("emsp"), 32, 'G'},
148: {TEXT("epsiv"), 101, 'G'},
149: {TEXT("equiv"), 186, 'G'},
150: {TEXT("eta"), 104, 'G'},
151: {TEXT("exist"), 36, 'G'},
152: {TEXT("florin"), 166, 'G'},
153: {TEXT("forall"), 34, 'G'},
154: {TEXT("gamma"), 103, 'G'},
155: {TEXT("ge"), 179, 'G'},
156: {TEXT("gt"), 62, 'L'},
157: {TEXT("hearts"), 169, 'G'},
158: {TEXT("horbar"), 190, 'G'},
159: {TEXT("ifraktur"), 193, 'G'},
160: {TEXT("infin"), 165, 'G'},
161: {TEXT("int"), 242, 'G'},
162: {TEXT("iota"), 105, 'G'},
163: {TEXT("isin"), 206, 'G'},
164: {TEXT("it"), 0, SPACE},
165: {TEXT("kappa"), 107, 'G'},
166: {TEXT("lambda"), 108, 'G'},
167: {TEXT("lang"), 225, 'G'},
168: {TEXT("larr"), 172, 'G'},
169: {TEXT("lArr"), 220, 'G'},
170: {TEXT("le"), 163, 'G'},
171: {TEXT("lowbar"), 95, 'G'},
172: {TEXT("loz"), 224, 'G'},
173: {TEXT("lrarr"), 171, 'G'},
174: {TEXT("lrArr"), 219, 'G'},
175: {TEXT("lsqb"), 91, 'G'},
176: {TEXT("lt"), 60, 'L'},
177: {TEXT("middot"), 215, 'G'},
178: {TEXT("mldr"), 188, 'G'},
179: {TEXT("mu"), 109, 'G'},
180: {TEXT("ne"), 185, 'G'},
181: {TEXT("not"), 216, 'G'},
182: {TEXT("notin"), 207, 'G'},
183: {TEXT("nu"), 110, 'G'},
184: {TEXT("ogr"), 111, 'G'},
185: {TEXT("omega"), 119, 'G'},
186: {TEXT("oplus"), 197, 'G'},
187: {TEXT("or"), 218, 'G'},
188: {TEXT("otimes"), 196, 'G'},
189: {TEXT("part"), 182, 'G'},
190: {TEXT("phi"), 102, 'G'},
191: {TEXT("phiv"), 106, 'G'},
192: {TEXT("pi"), 112, 'G'},
193: {TEXT("piv"), 118, 'G'},
194: {TEXT("prop"), 181, 'G'},
195: {TEXT("psi"), 121, 'G'},
196: {TEXT("radic"), 214, 'G'},
197: {TEXT("rarr"), 174, 'G'},
198: {TEXT("rArr"), 222, 'G'},
199: {TEXT("rdquo"), 178, 'G'},
200: {TEXT("regsf"), 210, 'G'},
201: {TEXT("regssf"), 226, 'G'},
202: {TEXT("rfraktur"), 194, 'G'},
203: {TEXT("rho"), 114, 'G'},
204: {TEXT("rsqb"), 93, 'G'},
205: {TEXT("sigma"), 115, 'G'},
206: {TEXT("sigmav"), 86, 'G'},
207: {TEXT("spades"), 170, 'G'},
208: {TEXT("sub"), 204, 'G'},
209: {TEXT("sube"), 205, 'G'},
210: {TEXT("subne"), 203, 'G'},
211: {TEXT("sum"), 229, 'G'},
212: {TEXT("sup"), 201, 'G'},
213: {TEXT("supe"), 202, 'G'},
214: {TEXT("tau"), 116, 'G'},
215: {TEXT("there4"), 92, 'G'},
216: {TEXT("theta"), 113, 'G'},
217: {TEXT("thetav"), 74, 'G'},
218: {TEXT("thickspace"), 32, 'L'},
219: {TEXT("times"), 180, 'G'},
220: {TEXT("trade"), 212, 'G'},
221: {TEXT("tradesf"), 212, 'G'},
222: {TEXT("tradessf"), 228, 'G'},
223: {TEXT("uarr"), 173, 'G'},
224: {TEXT("uArr"), 221, 'G'},
225: {TEXT("upsi"), 117, 'G'},
226: {TEXT("vee"), 218, 'G'},
227: {TEXT("weierp"), 195, 'G'},
228: {TEXT("xi"), 120, 'G'},
229: {TEXT("zeta"), 122, 'G'},
230: {TEXT("zzzz"), -1, SPACE} /* this last entry is required */
1.26 cvs 231:
1.1 cvs 232: };
233:
234: static AttributeMapping MathMLAttributeMappingTable[] =
235: {
236: /* The first entry MUST be unknown_attr */
237: /* The rest of this table MUST be in alphabetical order */
1.44 cvs 238: {TEXT("unknown_attr"), TEXT(""), 'A', MathML_ATTR_Invalid_attribute},
239: {TEXT("accent"), TEXT(""), 'A', MathML_ATTR_accent},
240: {TEXT("accentunder"), TEXT(""), 'A', MathML_ATTR_accentunder},
241: {TEXT("actiontype"), TEXT(""), 'A', MathML_ATTR_actiontype},
242: {TEXT("align"), TEXT(""), 'A', MathML_ATTR_align},
243: {TEXT("alignmentscope"), TEXT(""), 'A', MathML_ATTR_alignmentscope},
1.46 cvs 244: {TEXT("alt"), TEXT(""), 'A', MathML_ATTR_alt},
1.44 cvs 245: {TEXT("background"), TEXT(""), 'A', MathML_ATTR_background_},
1.46 cvs 246: {TEXT("beveled"), TEXT(""), 'A', MathML_ATTR_beveled},
1.44 cvs 247: {TEXT("class"), TEXT(""), 'A', MathML_ATTR_class},
248: {TEXT("close"), TEXT(""), 'A', MathML_ATTR_close},
249: {TEXT("columnalign"), TEXT(""), 'A', MathML_ATTR_columnalign},
250: {TEXT("columnlines"), TEXT(""), 'A', MathML_ATTR_columnlines},
251: {TEXT("columnspacing"), TEXT(""), 'A', MathML_ATTR_columnspacing},
252: {TEXT("columnspan"), TEXT(""), 'A', MathML_ATTR_columnspan},
1.46 cvs 253: {TEXT("columnwidth"), TEXT(""), 'A', MathML_ATTR_columnwidth},
1.44 cvs 254: {TEXT("color"), TEXT(""), 'A', MathML_ATTR_color},
1.46 cvs 255: {TEXT("denomalign"), TEXT(""), 'A', MathML_ATTR_denomalign},
1.44 cvs 256: {TEXT("depth"), TEXT(""), 'A', MathML_ATTR_depth_},
257: {TEXT("displaystyle"), TEXT(""), 'A', MathML_ATTR_displaystyle},
258: {TEXT("edge"), TEXT(""), 'A', MathML_ATTR_edge},
259: {TEXT("equalcolumns"), TEXT(""), 'A', MathML_ATTR_equalcolumns},
260: {TEXT("equalrows"), TEXT(""), 'A', MathML_ATTR_equalrows},
261: {TEXT("fence"), TEXT(""), 'A', MathML_ATTR_fence},
262: {TEXT("fontfamily"), TEXT(""), 'A', MathML_ATTR_fontfamily},
263: {TEXT("fontstyle"), TEXT(""), 'A', MathML_ATTR_fontstyle},
264: {TEXT("fontsize"), TEXT(""), 'A', MathML_ATTR_fontsize},
265: {TEXT("fontweight"), TEXT(""), 'A', MathML_ATTR_fontweight},
266: {TEXT("form"), TEXT(""), 'A', MathML_ATTR_form},
267: {TEXT("frame"), TEXT(""), 'A', MathML_ATTR_frame},
268: {TEXT("framespacing"), TEXT(""), 'A', MathML_ATTR_framespacing},
269: {TEXT("groupalign"), TEXT(""), 'A', MathML_ATTR_groupalign},
270: {TEXT("height"), TEXT(""), 'A', MathML_ATTR_height_},
271: {TEXT("id"), TEXT(""), 'A', MathML_ATTR_id},
1.46 cvs 272: {TEXT("index"), TEXT(""), 'A', MathML_ATTR_index},
1.44 cvs 273: {TEXT("largeop"), TEXT(""), 'A', MathML_ATTR_largeop},
274: {TEXT("linethickness"), TEXT(""), 'A', MathML_ATTR_linethickness},
275: {TEXT("link"), TEXT(""), 'A', MathML_ATTR_link},
276: {TEXT("lquote"), TEXT(""), 'A', MathML_ATTR_lquote},
277: {TEXT("lspace"), TEXT(""), 'A', MathML_ATTR_lspace},
278: {TEXT("maxsize"), TEXT(""), 'A', MathML_ATTR_maxsize},
1.46 cvs 279: {TEXT("minlabelspacing"), TEXT(""), 'A', MathML_ATTR_minlabelspacing},
1.44 cvs 280: {TEXT("minsize"), TEXT(""), 'A', MathML_ATTR_minsize},
281: {TEXT("movablelimits"), TEXT(""), 'A', MathML_ATTR_movablelimits},
1.46 cvs 282: {TEXT("name"), TEXT(""), 'A', MathML_ATTR_name},
283: {TEXT("notation"), TEXT(""), 'A', MathML_ATTR_notation},
284: {TEXT("numalign"), TEXT(""), 'A', MathML_ATTR_numalign},
1.44 cvs 285: {TEXT("open"), TEXT(""), 'A', MathML_ATTR_open},
286: {TEXT("other"), TEXT(""), 'A', MathML_ATTR_other},
287: {TEXT("rowalign"), TEXT(""), 'A', MathML_ATTR_rowalign},
288: {TEXT("rowlines"), TEXT(""), 'A', MathML_ATTR_rowlines},
289: {TEXT("rowspacing"), TEXT(""), 'A', MathML_ATTR_rowspacing},
290: {TEXT("rowspan"), TEXT(""), 'A', MathML_ATTR_rowspan_},
291: {TEXT("rquote"), TEXT(""), 'A', MathML_ATTR_rquote},
292: {TEXT("rspace"), TEXT(""), 'A', MathML_ATTR_rspace},
293: {TEXT("scriptlevel"), TEXT(""), 'A', MathML_ATTR_scriptlevel},
294: {TEXT("scriptminsize"), TEXT(""), 'A', MathML_ATTR_scriptminsize},
295: {TEXT("scriptsizemultiplier"), TEXT(""), 'A', MathML_ATTR_scriptsizemultiplier},
296: {TEXT("selection"), TEXT(""), 'A', MathML_ATTR_selection},
297: {TEXT("separator"), TEXT(""), 'A', MathML_ATTR_separator},
298: {TEXT("separators"), TEXT(""), 'A', MathML_ATTR_separators},
1.46 cvs 299: {TEXT("side"), TEXT(""), 'A', MathML_ATTR_side},
1.44 cvs 300: {TEXT("stretchy"), TEXT(""), 'A', MathML_ATTR_stretchy},
301: {TEXT("style"), TEXT(""), 'A', MathML_ATTR_style_},
302: {TEXT("subscriptshift"), TEXT(""), 'A', MathML_ATTR_subscriptshift},
303: {TEXT("superscriptshift"), TEXT(""), 'A', MathML_ATTR_superscriptshift},
304: {TEXT("symmetric"), TEXT(""), 'A', MathML_ATTR_symmetric},
305: {TEXT("width"), TEXT(""), 'A', MathML_ATTR_width_},
1.46 cvs 306: {TEXT("xref"), TEXT(""), 'A', MathML_ATTR_xref},
1.44 cvs 307: {TEXT("zzghost"), TEXT(""), 'A', MathML_ATTR_Ghost_restruct},
1.1 cvs 308:
1.44 cvs 309: {TEXT(""), TEXT(""), EOS, 0} /* Last entry. Mandatory */
1.1 cvs 310: };
311:
312: /* mapping table of attribute values */
313:
314: static AttrValueMapping MathMLAttrValueMappingTable[] =
315: {
1.47 cvs 316: {MathML_ATTR_accent, TEXT("true"), MathML_ATTR_accent_VAL_true},
317: {MathML_ATTR_accent, TEXT("false"), MathML_ATTR_accent_VAL_false},
1.46 cvs 318:
1.47 cvs 319: {MathML_ATTR_accentunder, TEXT("true"), MathML_ATTR_accentunder_VAL_true},
320: {MathML_ATTR_accentunder, TEXT("false"), MathML_ATTR_accentunder_VAL_false},
1.46 cvs 321:
1.47 cvs 322: {MathML_ATTR_beveled, TEXT("true"), MathML_ATTR_beveled_VAL_true},
323: {MathML_ATTR_beveled, TEXT("false"), MathML_ATTR_beveled_VAL_false},
1.46 cvs 324:
1.47 cvs 325: {MathML_ATTR_denomalign, TEXT("center"), MathML_ATTR_denomalign_VAL_center_},
326: {MathML_ATTR_denomalign, TEXT("left"), MathML_ATTR_denomalign_VAL_left_},
327: {MathML_ATTR_denomalign, TEXT("right"), MathML_ATTR_denomalign_VAL_right_},
1.46 cvs 328:
1.47 cvs 329: {MathML_ATTR_displaystyle, TEXT("true"), MathML_ATTR_displaystyle_VAL_true},
330: {MathML_ATTR_displaystyle, TEXT("false"), MathML_ATTR_displaystyle_VAL_false},
1.46 cvs 331:
1.47 cvs 332: {MathML_ATTR_edge, TEXT("left"), MathML_ATTR_edge_VAL_left_},
333: {MathML_ATTR_edge, TEXT("right"), MathML_ATTR_edge_VAL_right_},
1.46 cvs 334:
1.47 cvs 335: {MathML_ATTR_fence, TEXT("true"), MathML_ATTR_fence_VAL_true},
336: {MathML_ATTR_fence, TEXT("false"), MathML_ATTR_fence_VAL_false},
1.46 cvs 337:
1.47 cvs 338: {MathML_ATTR_fontstyle, TEXT("italic"), MathML_ATTR_fontstyle_VAL_italic},
339: {MathML_ATTR_fontstyle, TEXT("normal"), MathML_ATTR_fontstyle_VAL_normal_},
1.46 cvs 340:
1.47 cvs 341: {MathML_ATTR_fontweight, TEXT("normal"), MathML_ATTR_fontweight_VAL_normal_},
342: {MathML_ATTR_fontweight, TEXT("bold"), MathML_ATTR_fontweight_VAL_bold_},
1.46 cvs 343:
1.47 cvs 344: {MathML_ATTR_form, TEXT("prefix"), MathML_ATTR_form_VAL_prefix},
345: {MathML_ATTR_form, TEXT("infix"), MathML_ATTR_form_VAL_infix},
346: {MathML_ATTR_form, TEXT("postfix"), MathML_ATTR_form_VAL_postfix},
1.46 cvs 347:
1.47 cvs 348: {MathML_ATTR_frame, TEXT("none"), MathML_ATTR_frame_VAL_none_},
349: {MathML_ATTR_frame, TEXT("solid"), MathML_ATTR_frame_VAL_solid_},
350: {MathML_ATTR_frame, TEXT("dashed"), MathML_ATTR_frame_VAL_dashed_},
1.46 cvs 351:
1.47 cvs 352: {MathML_ATTR_largeop, TEXT("true"), MathML_ATTR_largeop_VAL_true},
353: {MathML_ATTR_largeop, TEXT("false"), MathML_ATTR_largeop_VAL_false},
1.46 cvs 354:
1.47 cvs 355: {MathML_ATTR_link, TEXT("document"), MathML_ATTR_link_VAL_document},
356: {MathML_ATTR_link, TEXT("extended"), MathML_ATTR_link_VAL_extended},
357: {MathML_ATTR_link, TEXT("group"), MathML_ATTR_link_VAL_group},
358: {MathML_ATTR_link, TEXT("locator"), MathML_ATTR_link_VAL_locator},
359: {MathML_ATTR_link, TEXT("simple"), MathML_ATTR_link_VAL_simple},
1.46 cvs 360:
1.47 cvs 361: {MathML_ATTR_movablelimits, TEXT("true"), MathML_ATTR_movablelimits_VAL_true},
362: {MathML_ATTR_movablelimits, TEXT("false"), MathML_ATTR_movablelimits_VAL_false},
1.46 cvs 363:
1.47 cvs 364: {MathML_ATTR_notation, TEXT("longdiv"), MathML_ATTR_notation_VAL_longdiv},
365: {MathML_ATTR_notation, TEXT("actuarial"), MathML_ATTR_notation_VAL_actuarial},
366: {MathML_ATTR_notation, TEXT("radical"), MathML_ATTR_notation_VAL_radical},
1.46 cvs 367:
1.47 cvs 368: {MathML_ATTR_numalign, TEXT("center"), MathML_ATTR_numalign_VAL_center_},
369: {MathML_ATTR_numalign, TEXT("left"), MathML_ATTR_numalign_VAL_left_},
370: {MathML_ATTR_numalign, TEXT("right"), MathML_ATTR_numalign_VAL_right_},
1.46 cvs 371:
1.47 cvs 372: {MathML_ATTR_separator, TEXT("true"), MathML_ATTR_separator_VAL_true},
373: {MathML_ATTR_separator, TEXT("false"), MathML_ATTR_separator_VAL_false},
1.46 cvs 374:
1.47 cvs 375: {MathML_ATTR_side, TEXT("left"), MathML_ATTR_side_VAL_left_},
376: {MathML_ATTR_side, TEXT("leftoverlap"), MathML_ATTR_side_VAL_leftoverlap},
377: {MathML_ATTR_side, TEXT("right"), MathML_ATTR_side_VAL_right_},
378: {MathML_ATTR_side, TEXT("rightoverlap"), MathML_ATTR_side_VAL_rightoverlap},
1.46 cvs 379:
1.47 cvs 380: {MathML_ATTR_stretchy, TEXT("true"), MathML_ATTR_stretchy_VAL_true},
381: {MathML_ATTR_stretchy, TEXT("false"), MathML_ATTR_stretchy_VAL_false},
1.46 cvs 382:
1.47 cvs 383: {MathML_ATTR_symmetric, TEXT("true"), MathML_ATTR_symmetric_VAL_true},
384: {MathML_ATTR_symmetric, TEXT("false"), MathML_ATTR_symmetric_VAL_false},
1.21 cvs 385:
1.47 cvs 386: {0, TEXT(""), 0} /* Last entry. Mandatory */
1.1 cvs 387: };
388:
389: #define MaxMsgLength 200
390:
1.12 cvs 391: #include "HTMLtable_f.h"
1.29 cvs 392: #include "Mathedit_f.h"
393: #include "XMLparser_f.h"
394: #include "styleparser_f.h"
395: #include "fetchXMLname_f.h"
1.1 cvs 396:
397: /*----------------------------------------------------------------------
398: MapMathMLAttribute
399: Search in the Attribute Mapping Table the entry for the
400: attribute of name Attr and returns the corresponding Thot attribute type.
401: ----------------------------------------------------------------------*/
402: #ifdef __STDC__
1.44 cvs 403: void MapMathMLAttribute (CHAR_T* Attr, AttributeType *attrType, STRING elementName, Document doc)
1.1 cvs 404: #else
1.2 cvs 405: void MapMathMLAttribute (Attr, attrType, elementName, doc)
1.14 cvs 406: STRING Attr;
1.1 cvs 407: AttributeType *attrType;
1.14 cvs 408: STRING elementName;
1.2 cvs 409: Document doc;
1.1 cvs 410: #endif
411: {
412: int i;
413:
414: attrType->AttrTypeNum = 0;
415: attrType->AttrSSchema = NULL;
416: i = 0;
417: do
1.14 cvs 418: if (ustrcasecmp (MathMLAttributeMappingTable[i].XMLattribute, Attr))
1.1 cvs 419: i++;
420: else
421: if (MathMLAttributeMappingTable[i].XMLelement[0] == EOS)
422: {
423: attrType->AttrTypeNum = MathMLAttributeMappingTable[i].ThotAttribute;
1.2 cvs 424: attrType->AttrSSchema = GetMathMLSSchema (doc);
1.1 cvs 425: }
1.14 cvs 426: else if (!ustrcasecmp (MathMLAttributeMappingTable[i].XMLelement,
1.1 cvs 427: elementName))
428: {
429: attrType->AttrTypeNum = MathMLAttributeMappingTable[i].ThotAttribute;
1.2 cvs 430: attrType->AttrSSchema = GetMathMLSSchema (doc);
1.1 cvs 431: }
432: else
433: i++;
434: while (attrType->AttrTypeNum <= 0 && MathMLAttributeMappingTable[i].AttrOrContent != EOS);
435: }
436:
437: /*----------------------------------------------------------------------
438: MapMathMLAttributeValue
439: Search in the Attribute Value Mapping Table the entry for the attribute
440: ThotAtt and its value AttrVal. Returns the corresponding Thot value.
441: ----------------------------------------------------------------------*/
442: #ifdef __STDC__
1.14 cvs 443: void MapMathMLAttributeValue (STRING AttrVal, AttributeType attrType, int *value)
1.1 cvs 444: #else
445: void MapMathMLAttributeValue (AttrVal, attrType, value)
1.14 cvs 446: STRING AttrVal;
1.1 cvs 447: AttributeType attrType;
448: int *value;
449: #endif
450: {
451: int i;
452:
453: *value = 0;
454: i = 0;
455: while (MathMLAttrValueMappingTable[i].ThotAttr != attrType.AttrTypeNum &&
456: MathMLAttrValueMappingTable[i].ThotAttr != 0)
457: i++;
458: if (MathMLAttrValueMappingTable[i].ThotAttr == attrType.AttrTypeNum)
459: do
1.14 cvs 460: if (!ustrcasecmp (MathMLAttrValueMappingTable[i].XMLattrValue, AttrVal))
1.1 cvs 461: *value = MathMLAttrValueMappingTable[i].ThotAttrValue;
462: else
463: i++;
464: while (*value <= 0 && MathMLAttrValueMappingTable[i].ThotAttr != 0);
465: }
466:
467: /*----------------------------------------------------------------------
468: MapMathMLEntity
469: Search that entity in the entity table and return the corresponding value.
470: ----------------------------------------------------------------------*/
471: #ifdef __STDC__
1.14 cvs 472: void MapMathMLEntity (STRING entityName, STRING entityValue, int valueLength, STRING alphabet)
1.1 cvs 473: #else
474: void MapMathMLEntity (entityName, entityValue, valueLength, alphabet)
1.14 cvs 475: STRING entityName;
476: STRING entityValue;
1.1 cvs 477: int valueLength;
1.14 cvs 478: STRING alphabet;
1.1 cvs 479:
480: #endif
481:
482: {
483: int i;
484:
485: for (i = 0; MathEntityTable[i].charCode >= 0 &&
1.14 cvs 486: ustrcmp (MathEntityTable[i].MentityName, entityName);
1.1 cvs 487: i++);
1.14 cvs 488: if (!ustrcmp (MathEntityTable[i].MentityName, entityName))
1.1 cvs 489: /* entity found */
490: {
1.15 cvs 491: entityValue[0] = (UCHAR_T) MathEntityTable[i].charCode;
1.1 cvs 492: entityValue[1] = EOS;
493: *alphabet = MathEntityTable[i].alphabet;
494: }
495: else
496: {
497: entityValue[0] = EOS;
498: *alphabet = EOS;
499: }
500: }
501:
502: /*----------------------------------------------------------------------
503: MathMLEntityCreated
504: A MathML entity has been created by the XML parser.
1.36 cvs 505: Create an attribute EntityName containing the entity name.
1.1 cvs 506: ----------------------------------------------------------------------*/
507: #ifdef __STDC__
1.34 cvs 508: void MathMLEntityCreated (USTRING entityValue, Language lang, STRING entityName, Document doc)
1.1 cvs 509: #else
1.34 cvs 510: void MathMLEntityCreated (entityValue, lang, entityName, doc)
1.14 cvs 511: USTRING entityValue;
1.34 cvs 512: Language lang;
1.14 cvs 513: STRING entityName;
1.1 cvs 514: Document doc;
515:
516: #endif
517: {
518: ElementType elType;
519: Element elText;
520: AttributeType attrType;
521: Attribute attr;
1.45 cvs 522: int len, code;
1.1 cvs 523: #define MAX_ENTITY_LENGTH 80
1.34 cvs 524: CHAR_T buffer[MAX_ENTITY_LENGTH];
1.1 cvs 525:
1.34 cvs 526: if (lang < 0)
527: /* unknown entity */
528: {
1.45 cvs 529: /* by default display a question mark */
1.34 cvs 530: entityValue[0] = '?';
531: entityValue[1] = EOS;
532: lang = TtaGetLanguageIdFromAlphabet('L');
1.45 cvs 533: /* let's see if we can do more */
534: if (entityName[0] == '#')
535: /* it's a number */
536: {
537: if (entityName[1] == 'x')
538: /* it's a hexadecimal number */
539: usscanf (&entityName[2], TEXT("%x"), &code);
540: else
541: /* it's a decimal number */
542: usscanf (&entityName[1], TEXT("%d"), &code);
543: GetFallbackCharacter (code, entityValue, &lang);
544: }
1.34 cvs 545: }
546: XMLTextToDocument ();
547: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
548: elType.ElSSchema = GetMathMLSSchema (doc);
549: elText = TtaNewElement (doc, elType);
550: SetElemLineNumber (elText);
551: XMLInsertElement (elText);
552: TtaSetTextContent (elText, entityValue, lang, doc);
1.36 cvs 553: TtaSetAccessRight (elText, ReadOnly, doc);
1.34 cvs 554: attrType.AttrSSchema = GetMathMLSSchema (doc);
555: attrType.AttrTypeNum = MathML_ATTR_EntityName;
556: attr = TtaNewAttribute (attrType);
557: TtaAttachAttribute (elText, attr, doc);
558: len = ustrlen (entityName);
559: if (len > MAX_ENTITY_LENGTH -3)
560: len = MAX_ENTITY_LENGTH -3;
561: buffer[0] = '&';
562: ustrncpy (&buffer[1], entityName, len);
563: buffer[len+1] = ';';
564: buffer[len+2] = EOS;
565: TtaSetAttributeText (attr, buffer, elText, doc);
1.1 cvs 566: }
567:
568: /*----------------------------------------------------------------------
569: CheckTextElement Put the content of input buffer into the document.
570: ----------------------------------------------------------------------*/
571: #ifdef __STDC__
572: static void CheckTextElement (Element *el, Document doc)
573: #else
574: static void CheckTextElement (el, doc)
575: Element *el;
576: Document doc;
577:
578: #endif
579: {
1.44 cvs 580: ElementType parentType, elType;
581: Element parent, new;
582: int len;
583: Language lang;
584: CHAR_T alphabet;
1.48 ! cvs 585: CHAR_T text[4];
1.1 cvs 586:
587: len = TtaGetTextLength (*el);
588: if (len == 1)
589: {
590: len = 2;
591: TtaGiveTextContent (*el, text, &len, &lang);
592: alphabet = TtaGetAlphabet (lang);
593: parent = TtaGetParent (*el);
1.48 ! cvs 594: if (text[0] != WC_EOS)
1.1 cvs 595: {
596: parentType = TtaGetElementType (parent);
597: elType = parentType;
598: if (parentType.ElTypeNum == MathML_EL_MF &&
1.48 ! cvs 599: (text[0] == TEXT('(') ||
! 600: text[0] == TEXT(')') ||
! 601: text[0] == TEXT('[') ||
! 602: text[0] == TEXT(']') ||
! 603: text[0] == TEXT('{') ||
! 604: text[0] == TEXT('}')))
1.1 cvs 605: /* Transform the text element into a Thot SYMBOL */
606: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
607: else if (parentType.ElTypeNum == MathML_EL_MF &&
1.48 ! cvs 608: text[0] == TEXT('|'))
1.1 cvs 609: /* Transform the text element into a Thot GRAPHIC */
610: {
611: elType.ElTypeNum = MathML_EL_GRAPHICS_UNIT;
1.48 ! cvs 612: text[0] = TEXT('v');
1.1 cvs 613: }
614: else
615: /* a TEXT element is OK */
616: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
617: if (elType.ElTypeNum != MathML_EL_TEXT_UNIT)
618: {
619: new = TtaNewElement (doc, elType);
620: TtaInsertSibling (new, *el, FALSE, doc);
621: TtaDeleteTree (*el, doc);
622: *el = new;
1.48 ! cvs 623: TtaSetGraphicsShape (new, (char)text[0], doc);
1.1 cvs 624: }
625: }
626: }
627: }
628:
629: /*----------------------------------------------------------------------
630: ElementNeedsPlaceholder
631: returns TRUE if element el needs a sibling placeholder.
632: ----------------------------------------------------------------------*/
633: #ifdef __STDC__
1.18 cvs 634: ThotBool ElementNeedsPlaceholder (Element el)
1.1 cvs 635: #else
1.18 cvs 636: ThotBool ElementNeedsPlaceholder (el)
1.1 cvs 637: Element el;
638:
639: #endif
640: {
641: ElementType elType;
642: Element child, parent;
1.18 cvs 643: ThotBool ret;
1.1 cvs 644:
645: ret = FALSE;
646: elType = TtaGetElementType (el);
1.43 cvs 647: if (elType.ElTypeNum == MathML_EL_MS ||
648: elType.ElTypeNum == MathML_EL_MSPACE ||
1.39 cvs 649: elType.ElTypeNum == MathML_EL_MROW ||
650: elType.ElTypeNum == MathML_EL_MFRAC ||
651: elType.ElTypeNum == MathML_EL_MSQRT ||
652: elType.ElTypeNum == MathML_EL_MROOT ||
653: elType.ElTypeNum == MathML_EL_MSTYLE ||
654: elType.ElTypeNum == MathML_EL_MERROR ||
655: elType.ElTypeNum == MathML_EL_MPADDED ||
656: elType.ElTypeNum == MathML_EL_MPHANTOM ||
657: elType.ElTypeNum == MathML_EL_MFENCED ||
1.1 cvs 658: elType.ElTypeNum == MathML_EL_MF ||
659: elType.ElTypeNum == MathML_EL_MSUB ||
660: elType.ElTypeNum == MathML_EL_MSUP ||
1.39 cvs 661: elType.ElTypeNum == MathML_EL_MSUBSUP ||
1.1 cvs 662: elType.ElTypeNum == MathML_EL_MUNDER ||
663: elType.ElTypeNum == MathML_EL_MOVER ||
664: elType.ElTypeNum == MathML_EL_MUNDEROVER ||
1.28 cvs 665: elType.ElTypeNum == MathML_EL_MMULTISCRIPTS ||
1.39 cvs 666: elType.ElTypeNum == MathML_EL_MTABLE ||
667: elType.ElTypeNum == MathML_EL_MACTION)
1.1 cvs 668: ret = TRUE;
669: else
670: if (elType.ElTypeNum == MathML_EL_MO)
671: /* an operator that contains a single Symbol needs a placeholder,
672: except when it is in a Base or UnderOverBase */
673: {
674: child = TtaGetFirstChild (el);
675: if (child != NULL)
676: {
677: elType = TtaGetElementType (child);
678: if (elType.ElTypeNum == MathML_EL_SYMBOL_UNIT)
679: {
680: ret = TRUE;
681: parent = TtaGetParent (el);
682: if (parent != NULL)
683: {
684: elType = TtaGetElementType (parent);
685: if (elType.ElTypeNum == MathML_EL_Base ||
686: elType.ElTypeNum == MathML_EL_UnderOverBase)
687: ret = FALSE;
688: }
689: }
690: }
691: }
692: return ret;
693: }
694:
695: /*----------------------------------------------------------------------
696: CreatePlaceholders
697: ----------------------------------------------------------------------*/
698: #ifdef __STDC__
699: static void CreatePlaceholders (Element el, Document doc)
700: #else
701: static void CreatePlaceholders (el, doc)
702: Element el;
703: Document doc;
704: #endif
705: {
706: Element sibling, prev, constr, child;
707: Attribute attr;
708: ElementType elType;
709: AttributeType attrType;
1.18 cvs 710: ThotBool create;
1.1 cvs 711:
1.2 cvs 712: elType.ElSSchema = GetMathMLSSchema (doc);
1.1 cvs 713: prev = NULL;
714: create = TRUE;
715: sibling = el;
716: while (sibling != NULL)
717: {
718: if (!ElementNeedsPlaceholder (sibling))
719: create = FALSE;
720: else
721: {
722: if (sibling == el)
723: /* first element */
724: {
725: elType = TtaGetElementType (sibling);
726: if (elType.ElTypeNum == MathML_EL_MF)
727: /* the first element is a MF. Don't create a placeholder
728: before */
729: create = FALSE;
730: else if (elType.ElTypeNum == MathML_EL_MROW)
731: /* the first element is a MROW */
732: {
733: child = TtaGetFirstChild (sibling);
734: if (child != NULL)
735: {
736: elType = TtaGetElementType (child);
737: if (elType.ElTypeNum != MathML_EL_MF)
738: /* the first child of the MROW element is not a MF */
739: /* Don't create a placeholder before */
740: create = FALSE;
741: }
742: }
743: }
744: if (create)
745: {
746: elType.ElTypeNum = MathML_EL_Construct;
747: constr = TtaNewElement (doc, elType);
748: TtaInsertSibling (constr, sibling, TRUE, doc);
749: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 750: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 751: attr = TtaNewAttribute (attrType);
752: TtaAttachAttribute (constr, attr, doc);
1.22 cvs 753: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_, constr, doc);
1.1 cvs 754: }
755: create = TRUE;
756: }
757: prev = sibling;
758: TtaNextSibling (&sibling);
759: }
760: if (prev != NULL && create)
761: {
762: elType = TtaGetElementType (prev);
763: /* don't insert a placeholder after the last element if it's a MF
764: or a SEP */
765: if (elType.ElTypeNum == MathML_EL_MF ||
766: elType.ElTypeNum == MathML_EL_SEP)
767: create = FALSE;
768: else if (elType.ElTypeNum == MathML_EL_MROW)
769: /* the last element is a MROW */
770: {
771: child = TtaGetLastChild (prev);
772: if (child != NULL)
773: {
774: elType = TtaGetElementType (child);
775: if (elType.ElTypeNum != MathML_EL_MF)
776: /* the last child of the MROW element is not a MF */
777: /* Don't create a placeholder before */
778: create = FALSE;
779: }
780: }
781: if (create)
782: {
783: elType.ElTypeNum = MathML_EL_Construct;
784: constr = TtaNewElement (doc, elType);
785: TtaInsertSibling (constr, prev, FALSE, doc);
786: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 787: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 788: attr = TtaNewAttribute (attrType);
789: TtaAttachAttribute (constr, attr, doc);
1.22 cvs 790: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_, constr, doc);
1.1 cvs 791: }
792: }
793: }
794:
795: /*----------------------------------------------------------------------
1.28 cvs 796: NextNotSepOrComment
1.1 cvs 797: Return the next sibling of element el that is not a SEP element
1.28 cvs 798: nor an XMLcomment element.
799: Return el itself if it's not a SEP or a comment.
1.1 cvs 800: ----------------------------------------------------------------------*/
801: #ifdef __STDC__
1.28 cvs 802: static void NextNotSepOrComment (Element* el, Element* prev)
1.1 cvs 803: #else
1.28 cvs 804: static void NextNotSepOrComment (el, prev)
1.1 cvs 805: Element *el;
806: #endif
807: {
808: ElementType elType;
809:
810: if (*el == NULL)
811: return;
812: elType = TtaGetElementType (*el);
1.28 cvs 813: while (*el != NULL && (elType.ElTypeNum == MathML_EL_SEP ||
814: elType.ElTypeNum == MathML_EL_XMLcomment))
1.1 cvs 815: {
816: *prev = *el;
817: TtaNextSibling (el);
818: if (*el != NULL)
819: elType = TtaGetElementType (*el);
820: }
821: }
822:
823: /*----------------------------------------------------------------------
824: CheckMathSubExpressions
825: Children of element el should be of type type1, type2, and type3.
826: Create an element of that type.
827: ----------------------------------------------------------------------*/
828: #ifdef __STDC__
829: static void CheckMathSubExpressions (Element el, int type1, int type2, int type3, Document doc)
830: #else
831: static void CheckMathSubExpressions (el, type1, type2, type3, doc)
832: Element el;
833: int type1;
834: int type2;
835: int type3;
836: Document doc;
837: #endif
838: {
839: Element child, new, prev;
840: ElementType elType, childType;
841:
1.2 cvs 842: elType.ElSSchema = GetMathMLSSchema (doc);
1.1 cvs 843: child = TtaGetFirstChild (el);
844: prev = NULL;
1.28 cvs 845: NextNotSepOrComment (&child, &prev);
1.1 cvs 846: if (child != NULL && type1 != 0)
847: {
848: elType.ElTypeNum = type1;
849: childType = TtaGetElementType (child);
850: if (TtaSameTypes (childType, elType) == 0)
851: {
852: TtaRemoveTree (child, doc);
853: new = TtaNewElement (doc, elType);
854: if (prev == NULL)
855: TtaInsertFirstChild (&new, el, doc);
856: else
857: TtaInsertSibling (new, prev, FALSE, doc);
858: TtaInsertFirstChild (&child, new, doc);
859: CreatePlaceholders (child, doc);
860: child = new;
861: }
862: if (type2 != 0)
863: {
864: prev = child;
865: TtaNextSibling (&child);
1.28 cvs 866: NextNotSepOrComment (&child, &prev);
1.1 cvs 867: if (child != NULL)
868: {
869: elType.ElTypeNum = type2;
870: childType = TtaGetElementType (child);
871: if (TtaSameTypes (childType, elType) == 0)
872: {
873: TtaRemoveTree (child, doc);
874: new = TtaNewElement (doc, elType);
875: TtaInsertSibling (new, prev, FALSE, doc);
876: TtaInsertFirstChild (&child, new, doc);
877: CreatePlaceholders (child, doc);
878: child = new;
879: }
880: if (type3 != 0)
881: {
882: prev = child;
883: TtaNextSibling (&child);
1.28 cvs 884: NextNotSepOrComment (&child, &prev);
1.1 cvs 885: if (child != NULL)
886: {
887: elType.ElTypeNum = type3;
888: childType = TtaGetElementType (child);
889: if (TtaSameTypes (childType, elType) == 0)
890: {
891: TtaRemoveTree (child, doc);
892: new = TtaNewElement (doc, elType);
893: TtaInsertSibling (new, prev, FALSE, doc);
894: TtaInsertFirstChild (&child, new, doc);
895: CreatePlaceholders (child, doc);
896: }
897: }
898: }
899: }
900: }
901: }
902: }
903:
904:
905: /*----------------------------------------------------------------------
1.22 cvs 906: SetSingleIntHorizStretchAttr
1.1 cvs 907:
1.22 cvs 908: Put a IntHorizStretch attribute on element el if it contains only
1.1 cvs 909: a MO element that is a stretchable symbol.
910: -----------------------------------------------------------------------*/
911: #ifdef __STDC__
1.22 cvs 912: void SetSingleIntHorizStretchAttr (Element el, Document doc, Element* selEl)
1.1 cvs 913: #else /* __STDC__*/
1.22 cvs 914: void SetSingleIntHorizStretchAttr (el, doc, selEl)
1.1 cvs 915: Element el;
916: Document doc;
917: Element* selEl;
918: #endif /* __STDC__*/
919: {
920: Element child, sibling, textEl, symbolEl;
921: ElementType elType;
922: Attribute attr;
923: AttributeType attrType;
1.47 cvs 924: int len;
925: Language lang;
1.15 cvs 926: CHAR_T alphabet;
1.47 cvs 927: unsigned char text[2], c;
1.1 cvs 928:
929: if (el == NULL)
930: return;
931: child = TtaGetFirstChild (el);
932: if (child != NULL)
933: {
934: elType = TtaGetElementType (child);
935: if (elType.ElTypeNum == MathML_EL_MO)
936: /* the first child is a MO */
937: {
938: sibling = child;
939: TtaNextSibling (&sibling);
940: if (sibling == NULL)
941: /* there is no other child */
942: {
943: textEl = TtaGetFirstChild (child);
944: elType = TtaGetElementType (textEl);
945: if (elType.ElTypeNum == MathML_EL_TEXT_UNIT)
946: {
947: len = TtaGetTextLength (textEl);
948: if (len == 1)
949: {
950: len = 2;
951: TtaGiveTextContent (textEl, text, &len, &lang);
952: alphabet = TtaGetAlphabet (lang);
953: if (len == 1)
954: if (alphabet == 'G')
955: /* a single Symbol character */
956: if ((int)text[0] == 172 || (int)text[0] == 174)
957: /* horizontal arrow */
958: {
1.10 cvs 959: c = EOS;
1.22 cvs 960: /* attach a IntHorizStretch attribute */
1.1 cvs 961: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 962: attrType.AttrTypeNum = MathML_ATTR_IntHorizStretch;
1.1 cvs 963: attr = TtaNewAttribute (attrType);
964: TtaAttachAttribute (el, attr, doc);
1.22 cvs 965: TtaSetAttributeValue (attr, MathML_ATTR_IntHorizStretch_VAL_yes_, el, doc);
1.1 cvs 966: /* replace the TEXT element by a Thot SYMBOL element */
967: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
968: symbolEl = TtaNewElement (doc, elType);
969: TtaInsertSibling (symbolEl, textEl, FALSE, doc);
970: if (selEl != NULL)
971: if (*selEl == textEl)
972: *selEl = symbolEl;
973: TtaDeleteTree (textEl, doc);
974: if ((int)text[0] == 172)
975: c = '<';
976: if ((int)text[0] == 174)
977: c = '>';
1.10 cvs 978: if (c != EOS)
979: TtaSetGraphicsShape (symbolEl, c, doc);
1.1 cvs 980: }
981: }
982: }
983: }
984: }
985: }
986: }
987:
988: /*----------------------------------------------------------------------
1.22 cvs 989: SetIntHorizStretchAttr
1.1 cvs 990:
1.22 cvs 991: Put a IntHorizStretch attribute on all children of element el which
1.1 cvs 992: contain only a MO element that is a stretchable symbol.
993: -----------------------------------------------------------------------*/
994: #ifdef __STDC__
1.22 cvs 995: static void SetIntHorizStretchAttr (Element el, Document doc)
1.1 cvs 996: #else /* __STDC__*/
1.22 cvs 997: static void SetIntHorizStretchAttr (el, doc)
1.1 cvs 998: Element el;
999: Document doc;
1000: #endif /* __STDC__*/
1001: {
1002: Element child;
1003:
1004: if (el == NULL)
1005: return;
1006: child = TtaGetFirstChild (el);
1007: while (child != NULL)
1008: {
1.22 cvs 1009: SetSingleIntHorizStretchAttr (child, doc, NULL);
1.1 cvs 1010: TtaNextSibling (&child);
1011: }
1012: }
1013:
1014: /*----------------------------------------------------------------------
1.22 cvs 1015: SetIntVertStretchAttr
1.1 cvs 1016:
1.22 cvs 1017: Put a IntVertStretch attribute on element el if its base element
1.1 cvs 1018: (Base for a MSUBSUP, MSUP or MSUB; UnderOverBase for a MUNDEROVER,
1019: a MUNDER of a MOVER) contains only a MO element that is a vertically
1020: stretchable symbol.
1021: -----------------------------------------------------------------------*/
1022: #ifdef __STDC__
1.22 cvs 1023: void SetIntVertStretchAttr (Element el, Document doc, int base, Element* selEl)
1.1 cvs 1024: #else /* __STDC__*/
1.22 cvs 1025: void SetIntVertStretchAttr (el, doc, base, selEl)
1.1 cvs 1026: Element el;
1027: Document doc;
1028: int base;
1029: Element* selEl;
1030: #endif /* __STDC__*/
1031: {
1032: Element child, sibling, textEl, symbolEl, parent, operator;
1033: ElementType elType;
1034: Attribute attr;
1035: AttributeType attrType;
1.47 cvs 1036: int len;
1037: Language lang;
1.15 cvs 1038: CHAR_T alphabet;
1.47 cvs 1039: unsigned char text[2], c;
1.1 cvs 1040:
1041: if (el == NULL)
1042: return;
1043: operator = NULL;
1044: if (base == 0)
1045: /* it's a MO */
1046: {
1047: parent = TtaGetParent (el);
1048: if (parent != NULL)
1049: {
1050: elType = TtaGetElementType (parent);
1051: if (elType.ElTypeNum != MathML_EL_Base &&
1052: elType.ElTypeNum != MathML_EL_UnderOverBase &&
1053: elType.ElTypeNum != MathML_EL_MSUBSUP &&
1054: elType.ElTypeNum != MathML_EL_MSUB &&
1055: elType.ElTypeNum != MathML_EL_MSUP &&
1056: elType.ElTypeNum != MathML_EL_MUNDEROVER &&
1057: elType.ElTypeNum != MathML_EL_MUNDER &&
1058: elType.ElTypeNum != MathML_EL_MUNDEROVER)
1059: operator = el;
1060: }
1061: }
1062: else
1063: /* it's not a MO */
1064: {
1065: /* search the Base or UnderOverBase child */
1066: child = TtaGetFirstChild (el);
1067: if (child != NULL)
1068: {
1069: elType = TtaGetElementType (child);
1070: if (elType.ElTypeNum == base)
1071: /* the first child is a Base or UnderOverBase */
1072: {
1073: child = TtaGetFirstChild (child);
1074: if (child != NULL)
1075: {
1076: elType = TtaGetElementType (child);
1077: if (elType.ElTypeNum == MathML_EL_MO)
1078: /* its first child is a MO */
1079: {
1080: sibling = child;
1081: TtaNextSibling (&sibling);
1082: if (sibling == NULL)
1083: /* there is no other child */
1084: operator = child;
1085: }
1086: }
1087: }
1088: }
1089: }
1090: if (operator != NULL)
1091: {
1092: textEl = TtaGetFirstChild (operator);
1093: if (textEl != NULL)
1094: {
1095: elType = TtaGetElementType (textEl);
1096: if (elType.ElTypeNum == MathML_EL_TEXT_UNIT)
1097: {
1098: len = TtaGetTextLength (textEl);
1099: if (len == 1)
1100: {
1101: len = 2;
1.48 ! cvs 1102: TtaGiveTextContent (textEl, text, &len, &lang);
1.1 cvs 1103: alphabet = TtaGetAlphabet (lang);
1104: if (len == 1)
1105: if (alphabet == 'G')
1106: /* a single Symbol character */
1107: if ((int)text[0] == 242)
1108: /* Integral */
1109: {
1.22 cvs 1110: /* attach a IntVertStretch attribute */
1.1 cvs 1111: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 1112: attrType.AttrTypeNum = MathML_ATTR_IntVertStretch;
1.1 cvs 1113: attr = TtaNewAttribute (attrType);
1114: TtaAttachAttribute (el, attr, doc);
1.22 cvs 1115: TtaSetAttributeValue (attr, MathML_ATTR_IntVertStretch_VAL_yes_, el, doc);
1.1 cvs 1116: /* replace the TEXT element by a Thot SYMBOL element*/
1117: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
1118: symbolEl = TtaNewElement (doc, elType);
1119: TtaInsertSibling (symbolEl, textEl, FALSE, doc);
1120: if (selEl != NULL)
1121: if (*selEl == textEl)
1122: *selEl = symbolEl;
1123: TtaDeleteTree (textEl, doc);
1124: c = 'i';
1125: TtaSetGraphicsShape (symbolEl, c, doc);
1126: }
1127: }
1128: }
1129: }
1130: }
1131: }
1132:
1133: /*----------------------------------------------------------------------
1.22 cvs 1134: SetIntPlaceholderAttr
1.1 cvs 1135:
1.22 cvs 1136: Put a IntPlaceholder attribute on all Construct elements in the
1.1 cvs 1137: subtree of root el.
1138: -----------------------------------------------------------------------*/
1139: #ifdef __STDC__
1.22 cvs 1140: static void SetIntPlaceholderAttr (Element el, Document doc)
1.1 cvs 1141: #else /* __STDC__*/
1.22 cvs 1142: static void SetIntPlaceholderAttr (el, doc)
1.1 cvs 1143: Element el;
1144: Document doc;
1145: #endif /* __STDC__*/
1146: {
1147: Element child;
1148: ElementType elType;
1149: Attribute attr;
1150: AttributeType attrType;
1151:
1152: if (el == NULL)
1153: return;
1154: elType = TtaGetElementType (el);
1155: if (elType.ElTypeNum == MathML_EL_Construct &&
1.2 cvs 1156: elType.ElSSchema == GetMathMLSSchema (doc))
1.1 cvs 1157: {
1158: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 1159: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 1160: attr = TtaNewAttribute (attrType);
1161: TtaAttachAttribute (el, attr, doc);
1.22 cvs 1162: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_, el, doc);
1.1 cvs 1163: }
1164: else
1165: {
1166: child = TtaGetFirstChild (el);
1167: while (child != NULL)
1168: {
1.22 cvs 1169: SetIntPlaceholderAttr (child, doc);
1.1 cvs 1170: TtaNextSibling (&child);
1171: }
1172: }
1173: }
1174:
1175: /*----------------------------------------------------------------------
1176: BuildMultiscript
1177:
1178: The content of a MMULTISCRIPT element has been created following
1179: the original MathML structure. Create all Thot elements defined
1180: in the MathML S schema.
1181: -----------------------------------------------------------------------*/
1182: #ifdef __STDC__
1183: static void BuildMultiscript (Element elMMULTISCRIPT, Document doc)
1184: #else /* __STDC__*/
1185: static void BuildMultiscript (elMMULTISCRIPT, doc)
1186: Element elMMULTISCRIPT;
1187: Document doc;
1188: #endif /* __STDC__*/
1189: {
1190: Element elem, base, next, group, pair, script, prevPair, prevScript;
1191: ElementType elType, elTypeGroup, elTypePair, elTypeScript;
1.2 cvs 1192: SSchema MathMLSSchema;
1.1 cvs 1193: base = NULL;
1194: group = NULL;
1195: prevPair = NULL;
1196: prevScript = NULL;
1197:
1.2 cvs 1198: MathMLSSchema = GetMathMLSSchema (doc);
1.1 cvs 1199: elTypeGroup.ElSSchema = MathMLSSchema;
1200: elTypePair.ElSSchema = MathMLSSchema;
1201: elTypeScript.ElSSchema = MathMLSSchema;
1202:
1203: /* process all children of the MMULTISCRIPT element */
1204: elem = TtaGetFirstChild (elMMULTISCRIPT);
1205: while (elem != NULL)
1206: {
1207: /* remember the element to be processed after the current one */
1208: next = elem;
1209: TtaNextSibling (&next);
1210:
1211: /* remove the current element from the tree */
1212: TtaRemoveTree (elem, doc);
1213:
1214: if (base == NULL)
1215: /* the current element is the first child of the MMULTISCRIPT
1216: element */
1217: {
1218: /* Create a MultiscriptBase element as the first child of
1219: MMULTISCRIPT and move the current element as the first child
1220: of the MultiscriptBase element */
1221: elTypeGroup.ElTypeNum = MathML_EL_MultiscriptBase;
1222: base = TtaNewElement (doc, elTypeGroup);
1223: TtaInsertFirstChild (&base, elMMULTISCRIPT, doc);
1224: TtaInsertFirstChild (&elem, base, doc);
1225: }
1226: else
1227: /* the current element is a subscript or a superscript */
1228: {
1229: if (group == NULL)
1230: /* there is no PostscriptPairs element. Create one */
1231: {
1232: elTypeGroup.ElTypeNum = MathML_EL_PostscriptPairs;
1233: group = TtaNewElement (doc, elTypeGroup);
1234: TtaInsertSibling (group, base, FALSE, doc);
1235: elTypePair.ElTypeNum = MathML_EL_PostscriptPair;
1236: /* create a first and a last PostscriptPair as placeholders */
1.47 cvs 1237: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1238: TtaInsertFirstChild (&pair, group, doc);
1.22 cvs 1239: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1240: prevPair = pair;
1.47 cvs 1241: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1242: TtaInsertSibling (pair, prevPair, FALSE, doc);
1.22 cvs 1243: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1244: prevScript = NULL;
1245: }
1246: if (prevScript == NULL)
1247: /* the current element is the first subscript or superscript
1248: in a pair */
1249: {
1250: /* create a PostscriptPair or PrescriptPair element */
1251: pair = TtaNewElement (doc, elTypePair);
1252: if (prevPair == NULL)
1253: TtaInsertFirstChild (&pair, group, doc);
1254: else
1255: TtaInsertSibling (pair, prevPair, FALSE, doc);
1256: prevPair = pair;
1257: /* create a MSubscript element */
1258: elTypeScript.ElTypeNum = MathML_EL_MSubscript;
1259: script = TtaNewElement (doc, elTypeScript);
1260: TtaInsertFirstChild (&script, pair, doc);
1261: prevScript = script;
1262: }
1263: else
1264: /* the current element is a superscript in a pair */
1265: {
1266: /* create a MSuperscript element */
1267: elTypeScript.ElTypeNum = MathML_EL_MSuperscript;
1268: script = TtaNewElement (doc, elTypeScript);
1269: /* insert it as a sibling of the previous MSubscript element */
1270: TtaInsertSibling (script, prevScript, FALSE, doc);
1271: prevScript = NULL;
1272: }
1273: /* insert the current element as a child of the new MSuperscript or
1274: MSubscript element */
1275: TtaInsertFirstChild (&elem, script, doc);
1.22 cvs 1276: SetIntPlaceholderAttr (elem, doc);
1.1 cvs 1277: }
1278:
1279: CreatePlaceholders (elem, doc);
1280:
1281: /* get next child of the MMULTISCRIPT element */
1282: elem = next;
1283: if (elem != NULL)
1284: {
1285: elType = TtaGetElementType (elem);
1286: if (elType.ElSSchema == MathMLSSchema &&
1287: elType.ElTypeNum == MathML_EL_PrescriptPairs)
1288: /* the next element is a PrescriptPairs */
1289: {
1290: /* if there there is no PostscriptPairs element, create one as a
1291: placeholder */
1292: if (elTypeGroup.ElTypeNum != MathML_EL_PostscriptPairs)
1293: {
1294: elTypeGroup.ElTypeNum = MathML_EL_PostscriptPairs;
1.47 cvs 1295: group = TtaNewTree (doc, elTypeGroup, "");
1.1 cvs 1296: TtaInsertSibling (group, elem, TRUE, doc);
1.22 cvs 1297: SetIntPlaceholderAttr (group, doc);
1.1 cvs 1298: }
1299: /* the following elements will be interpreted as sub- superscripts
1300: in PrescriptPair elements, wich will be children of this
1301: PrescriptPairs element */
1302: elTypeGroup.ElTypeNum = MathML_EL_PrescriptPairs;
1303: elTypePair.ElTypeNum = MathML_EL_PrescriptPair;
1304: group = elem;
1305: /* create a first and a last PostscriptPair as placeholders */
1.47 cvs 1306: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1307: TtaInsertFirstChild (&pair, group, doc);
1.22 cvs 1308: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1309: prevPair = pair;
1.47 cvs 1310: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1311: TtaInsertSibling (pair, prevPair, FALSE, doc);
1.22 cvs 1312: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1313: prevScript = NULL;
1314: TtaNextSibling (&elem);
1315: }
1316: }
1317: }
1318: /* all children of element MMULTISCRIPTS have been processed */
1319: /* if the last group processed is not a PrescriptPairs element,
1320: create one as a placeholder */
1321: if (elTypeGroup.ElTypeNum != MathML_EL_PrescriptPairs && base != NULL)
1322: {
1323: elTypeGroup.ElTypeNum = MathML_EL_PrescriptPairs;
1.47 cvs 1324: elem = TtaNewTree (doc, elTypeGroup, "");
1.1 cvs 1325: if (group == NULL)
1326: group = base;
1327: TtaInsertSibling (elem, group, TRUE, doc);
1.22 cvs 1328: SetIntPlaceholderAttr (elem, doc);
1.1 cvs 1329: }
1330: }
1331:
1.39 cvs 1332: /*----------------------------------------------------------------------
1333: CreateWrapper
1334:
1335: Create an element of type wrapperType as a child of element el and
1336: move all chidren of element el within the new element.
1337: -----------------------------------------------------------------------*/
1338: #ifdef __STDC__
1339: static void CreateWrapper (Element el, int wrapperType, Document doc)
1340: #else /* __STDC__*/
1341: static void CreateWrapper (el, wrapperType, doc)
1342: Element el;
1343: int wrapperType;
1344: Document doc;
1345: #endif /* __STDC__*/
1346: {
1347: Element wrapper, child, prevChild, nextChild;
1348: ElementType elType;
1349:
1350: child = TtaGetFirstChild (el);
1351: elType.ElSSchema = GetMathMLSSchema (doc);
1352: elType.ElTypeNum = wrapperType;
1353: wrapper = TtaNewElement (doc, elType);
1354: TtaInsertFirstChild (&wrapper, el, doc);
1355: prevChild = NULL;
1356: while (child)
1357: {
1358: nextChild = child;
1359: TtaNextSibling (&nextChild);
1360: TtaRemoveTree (child, doc);
1361: if (prevChild == NULL)
1362: TtaInsertFirstChild (&child, wrapper, doc);
1363: else
1364: TtaInsertSibling (child, prevChild, FALSE, doc);
1365: prevChild = child;
1366: child = nextChild;
1367: }
1368: }
1.5 cvs 1369:
1370: /*----------------------------------------------------------------------
1371: CheckMTable
1372:
1373: The content of a MTABLE element has been created following
1374: the original MathML structure. Create all Thot elements defined
1375: in the MathML S schema.
1376: -----------------------------------------------------------------------*/
1377: #ifdef __STDC__
1.12 cvs 1378: void CheckMTable (Element elMTABLE, Document doc)
1.5 cvs 1379: #else /* __STDC__*/
1.12 cvs 1380: void CheckMTable (elMTABLE, doc)
1.5 cvs 1381: Element elMTABLE;
1382: Document doc;
1383: #endif /* __STDC__*/
1384: {
1385: ElementType elType;
1386: Element MTableHead, MTableBody, row, nextRow, el, prevRow, cell,
1.40 cvs 1387: nextCell, newMTD, firstColHead;
1.5 cvs 1388: SSchema MathMLSSchema;
1389:
1390: MathMLSSchema = GetMathMLSSchema (doc);
1391: row = TtaGetFirstChild (elMTABLE);
1392:
1393: /* create a MTable_head as the first child of element MTABLE */
1394: elType.ElSSchema = MathMLSSchema;
1395: elType.ElTypeNum = MathML_EL_MTable_head;
1396: MTableHead = TtaNewElement (doc, elType);
1397: TtaInsertFirstChild (&MTableHead, elMTABLE, doc);
1398: elType.ElTypeNum = MathML_EL_MColumn_head;
1.47 cvs 1399: firstColHead = TtaNewTree (doc, elType, "");
1.5 cvs 1400: TtaInsertFirstChild (&firstColHead, MTableHead, doc);
1401:
1402: /* create a MTable_body */
1403: elType.ElSSchema = MathMLSSchema;
1404: elType.ElTypeNum = MathML_EL_MTable_body;
1405: MTableBody = TtaNewElement (doc, elType);
1406: TtaInsertSibling (MTableBody, MTableHead, FALSE, doc);
1407:
1408: /* move all children of element MTABLE into the new MTable_body element
1409: and wrap each non-MTR element with a MTR */
1410: prevRow = NULL;
1411: while (row)
1412: {
1413: nextRow = row;
1414: TtaNextSibling (&nextRow);
1415: elType = TtaGetElementType (row);
1416: TtaRemoveTree (row, doc);
1417: if (TtaSameSSchemas (elType.ElSSchema, MathMLSSchema) &&
1418: (elType.ElTypeNum == MathML_EL_XMLcomment ||
1419: elType.ElTypeNum == MathML_EL_MTR))
1420: {
1421: if (prevRow == NULL)
1422: TtaInsertFirstChild (&row, MTableBody, doc);
1423: else
1424: TtaInsertSibling (row, prevRow, FALSE, doc);
1425: prevRow = row;
1426: if (elType.ElTypeNum == MathML_EL_MTR)
1427: cell = TtaGetFirstChild (row);
1428: else
1429: cell = NULL;
1430: }
1431: else
1432: /* this child is not a MTR nor a comment, create a MTR element */
1433: {
1434: elType.ElSSchema = MathMLSSchema;
1435: elType.ElTypeNum = MathML_EL_MTR;
1436: el = TtaNewElement (doc, elType);
1437: if (prevRow == NULL)
1438: TtaInsertFirstChild (&el, MTableBody, doc);
1439: else
1440: TtaInsertSibling (el, prevRow, FALSE, doc);
1441: TtaInsertFirstChild (&row, el, doc);
1442: cell = row;
1443: prevRow = el;
1444: }
1445: while (cell)
1446: /* check all children of the current MTR element */
1447: {
1448: nextCell = cell;
1449: TtaNextSibling (&nextCell);
1450: elType = TtaGetElementType (cell);
1451: if (!TtaSameSSchemas (elType.ElSSchema, MathMLSSchema) ||
1452: (elType.ElTypeNum != MathML_EL_XMLcomment &&
1453: elType.ElTypeNum != MathML_EL_MTD))
1454: /* this is not a MTD nor a comment, create a wrapping MTD */
1455: {
1456: elType.ElSSchema = MathMLSSchema;
1457: elType.ElTypeNum = MathML_EL_MTD;
1458: newMTD = TtaNewElement (doc, elType);
1459: TtaInsertSibling (newMTD, cell, TRUE, doc);
1460: TtaRemoveTree (cell, doc);
1461: TtaInsertFirstChild (&cell, newMTD, doc);
1462: cell = newMTD;
1463: }
1464: if (elType.ElTypeNum == MathML_EL_MTD)
1465: /* This is a MTD element. Wrap its contents with a CellWrapper */
1.39 cvs 1466: CreateWrapper (cell, MathML_EL_CellWrapper, doc);
1.5 cvs 1467: cell = nextCell;
1468: }
1469: row = nextRow;
1470: }
1.12 cvs 1471: CheckAllRows (elMTABLE, doc);
1.5 cvs 1472: }
1.12 cvs 1473:
1.46 cvs 1474: /*----------------------------------------------------------------------
1475: SetMcharContent
1476: Set the content of the mchar element according to the value of
1477: its name attribute
1478: -----------------------------------------------------------------------*/
1479: #ifdef __STDC__
1480: void SetMcharContent (Element el, Document doc)
1481: #else /* __STDC__*/
1482: void SetMcharContent (el, doc)
1483: Element el;
1484: Document doc;
1485: #endif /* __STDC__*/
1486: {
1487: ElementType elType;
1488: AttributeType attrType;
1489: Attribute attr;
1490: Element leaf;
1491: int length;
1492: CHAR_T name[MAX_ENTITY_LENGTH];
1493: UCHAR_T value[MAX_ENTITY_LENGTH];
1494: CHAR_T alphabet;
1495: Language lang;
1496:
1497: if (el)
1498: {
1499: /* get the name attribute */
1500: elType = TtaGetElementType (el);
1501: attrType.AttrSSchema = elType.ElSSchema;
1502: attrType.AttrTypeNum = MathML_ATTR_name;
1503: attr = TtaGetAttribute (el, attrType);
1504: if (attr)
1505: {
1506: leaf = TtaGetFirstChild (el);
1507: if (!leaf)
1508: /* there is no text leaf. Create one */
1509: {
1510: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
1511: leaf = TtaNewElement (doc, elType);
1512: TtaInsertFirstChild (&leaf, el, doc);
1513: }
1514: length = MAX_ENTITY_LENGTH - 1;
1515: TtaGiveTextAttributeValue (attr, name, &length);
1516: MapMathMLEntity (name, value, MAX_ENTITY_LENGTH - 1, &alphabet);
1517: if (alphabet == EOS)
1518: /* unknown name */
1519: {
1520: /* by default display a question mark */
1521: value[0] = '?';
1522: value[1] = EOS;
1523: lang = TtaGetLanguageIdFromAlphabet('L');
1524: }
1525: else
1526: {
1527: lang = TtaGetLanguageIdFromAlphabet(alphabet);
1528: }
1529: SetElemLineNumber (leaf);
1530: TtaSetTextContent (leaf, value, lang, doc);
1531: TtaSetAccessRight (leaf, ReadOnly, doc);
1532: }
1533: }
1534: }
1.1 cvs 1535:
1536: /*----------------------------------------------------------------------
1537: SetFontstyleAttr
1538: The content of a MI element has been created or modified.
1539: Create or change attribute IntFontstyle for that element accordingly.
1540: -----------------------------------------------------------------------*/
1541: #ifdef __STDC__
1542: void SetFontstyleAttr (Element el, Document doc)
1543: #else /* __STDC__*/
1544: void SetFontstyleAttr (el, doc)
1545: Element el;
1546: Document doc;
1547: #endif /* __STDC__*/
1548: {
1549: ElementType elType;
1550: AttributeType attrType;
1551: Attribute attr, IntAttr;
1552: int len;
1553:
1554: if (el != NULL)
1555: {
1556: /* search the fontstyle attribute */
1557: elType = TtaGetElementType (el);
1558: attrType.AttrSSchema = elType.ElSSchema;
1559: attrType.AttrTypeNum = MathML_ATTR_fontstyle;
1560: attr = TtaGetAttribute (el, attrType);
1561: attrType.AttrTypeNum = MathML_ATTR_IntFontstyle;
1562: IntAttr = TtaGetAttribute (el, attrType);
1563: if (attr != NULL)
1564: /* there is a fontstyle attribute. Remove the corresponding
1565: internal attribute that is not needed */
1566: {
1567: if (IntAttr != NULL)
1568: TtaRemoveAttribute (el, IntAttr, doc);
1569: }
1570: else
1571: /* there is no fontstyle attribute. Create an internal attribute
1572: IntFontstyle with a value that depends on the content of the MI */
1573: {
1574: /* get content length */
1575: len = TtaGetElementVolume (el);
1576: if (len > 1)
1577: /* put an attribute IntFontstyle = IntNormal */
1578: {
1579: if (IntAttr == NULL)
1580: {
1581: IntAttr = TtaNewAttribute (attrType);
1582: TtaAttachAttribute (el, IntAttr, doc);
1583: }
1584: TtaSetAttributeValue (IntAttr, MathML_ATTR_IntFontstyle_VAL_IntNormal,
1585: el, doc);
1586: }
1587: else
1588: /* MI contains a single character. Remove attribute IntFontstyle
1589: if it exists */
1590: {
1591: if (IntAttr != NULL)
1592: TtaRemoveAttribute (el, IntAttr, doc);
1593: }
1594: }
1595: }
1596: }
1597:
1598: /*----------------------------------------------------------------------
1.22 cvs 1599: SetIntAddSpaceAttr
1.1 cvs 1600: The content of a MO element has been created or modified.
1.22 cvs 1601: Create or change attribute IntAddSpace for that element accordingly.
1.1 cvs 1602: -----------------------------------------------------------------------*/
1603: #ifdef __STDC__
1.22 cvs 1604: void SetIntAddSpaceAttr (Element el, Document doc)
1.1 cvs 1605: #else /* __STDC__*/
1.22 cvs 1606: void SetIntAddSpaceAttr (el, doc)
1.1 cvs 1607: Element el;
1608: Document doc;
1609: #endif /* __STDC__*/
1610: {
1611: Element textEl, previous;
1612: ElementType elType;
1613: AttributeType attrType;
1614: Attribute attr;
1615: int len, val;
1616: #define BUFLEN 10
1.15 cvs 1617: UCHAR_T text[BUFLEN];
1.1 cvs 1618: Language lang;
1.15 cvs 1619: CHAR_T alphabet;
1.1 cvs 1620:
1621: textEl = TtaGetFirstChild (el);
1622: if (textEl != NULL)
1623: {
1.22 cvs 1624: /* search the IntAddSpace attribute */
1.1 cvs 1625: elType = TtaGetElementType (el);
1626: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 1627: attrType.AttrTypeNum = MathML_ATTR_IntAddSpace;
1.1 cvs 1628: attr = TtaGetAttribute (el, attrType);
1629: if (attr == NULL)
1630: {
1631: attr = TtaNewAttribute (attrType);
1632: TtaAttachAttribute (el, attr, doc);
1633: }
1.22 cvs 1634: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1.1 cvs 1635: len = TtaGetTextLength (textEl);
1636: if (len > 0 && len < BUFLEN)
1637: {
1638: len = BUFLEN;
1639: TtaGiveTextContent (textEl, text, &len, &lang);
1640: alphabet = TtaGetAlphabet (lang);
1641: if (len == 1)
1642: if (alphabet == 'L')
1643: /* ISO-Latin 1 character */
1644: {
1645: if (text[0] == '-')
1646: /* unary or binary operator? */
1647: {
1648: previous = el;
1649: TtaPreviousSibling (&previous);
1650: if (previous == NULL)
1651: /* no previous sibling => unary operator */
1.22 cvs 1652: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1.1 cvs 1653: else
1654: {
1655: elType = TtaGetElementType (previous);
1656: if (elType.ElTypeNum == MathML_EL_MO)
1657: /* after an operator => unary operator */
1.22 cvs 1658: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1.1 cvs 1659: else
1660: /* binary operator */
1.22 cvs 1661: val = MathML_ATTR_IntAddSpace_VAL_both;
1.1 cvs 1662: }
1663: }
1664: else if (text[0] == '+' ||
1665: text[0] == '&' ||
1666: text[0] == '*' ||
1667: text[0] == '<' ||
1668: text[0] == '=' ||
1669: text[0] == '>' ||
1670: text[0] == '^')
1671: /* binary operator */
1.22 cvs 1672: val = MathML_ATTR_IntAddSpace_VAL_both;
1.1 cvs 1673: else if (text[0] == ',' ||
1674: text[0] == ';')
1.22 cvs 1675: val = MathML_ATTR_IntAddSpace_VAL_spaceafter;
1.1 cvs 1676: }
1677: else if (alphabet == 'G')
1678: /* Symbol character set */
1679: if ((int)text[0] == 163 || /* less or equal */
1680: (int)text[0] == 177 || /* plus or minus */
1681: (int)text[0] == 179 || /* greater or equal */
1682: (int)text[0] == 180 || /* times */
1683: (int)text[0] == 184 || /* divide */
1684: (int)text[0] == 185 || /* not equal */
1685: (int)text[0] == 186 || /* identical */
1686: (int)text[0] == 187 || /* equivalent */
1687: (int)text[0] == 196 || /* circle times */
1688: (int)text[0] == 197 || /* circle plus */
1689: ((int)text[0] >= 199 && (int)text[0] <= 209) || /* */
1690: (int)text[0] == 217 || /* and */
1691: (int)text[0] == 218 ) /* or */
1.22 cvs 1692: val = MathML_ATTR_IntAddSpace_VAL_both;
1.1 cvs 1693: }
1694: TtaSetAttributeValue (attr, val, el, doc);
1695: }
1696: }
1697:
1698:
1699: /*----------------------------------------------------------------------
1700: ChangeTypeOfElement
1701: Change the type of element elem into newTypeNum
1702: -----------------------------------------------------------------------*/
1703: #ifdef __STDC__
1704: void ChangeTypeOfElement (Element elem, Document doc, int newTypeNum)
1705: #else /* __STDC__*/
1706: void ChangeTypeOfElement (elem, doc, newTypeNum)
1707: Element elem;
1708: Document doc;
1709: int newTypeNum;
1710: #endif /* __STDC__*/
1711:
1712: {
1713: Element prev, next, parent;
1.10 cvs 1714:
1715: parent = NULL;
1.1 cvs 1716: prev = elem;
1717: TtaPreviousSibling (&prev);
1718: if (prev == NULL)
1719: {
1720: next = elem;
1721: TtaNextSibling (&next);
1722: if (next == NULL)
1723: parent = TtaGetParent (elem);
1724: }
1725: TtaRemoveTree (elem, doc);
1726: ChangeElementType (elem, newTypeNum);
1727: if (prev != NULL)
1728: TtaInsertSibling (elem, prev, FALSE, doc);
1729: else if (next != NULL)
1730: TtaInsertSibling (elem, next, TRUE, doc);
1731: else
1732: TtaInsertFirstChild (&elem, parent, doc);
1733: }
1734:
1735:
1736: /*----------------------------------------------------------------------
1737: CheckFence
1738: If el is a MO element that contains a single fence character,
1739: transform the MO into a MF and the character into a Thot symbol.
1740: ----------------------------------------------------------------------*/
1741: #ifdef __STDC__
1742: void CheckFence (Element el, Document doc)
1743: #else
1744: void CheckFence (el, doc)
1745: Element el;
1746: Document doc;
1747:
1748: #endif
1749: {
1.46 cvs 1750: ElementType elType;
1.47 cvs 1751: Element content;
1.1 cvs 1752: AttributeType attrType;
1.46 cvs 1753: Attribute attr, attrStretchy;
1.47 cvs 1754: int len, val;
1755: Language lang;
1756: CHAR_T alphabet;
1757: unsigned char text[2], c;
1.1 cvs 1758:
1759: elType = TtaGetElementType (el);
1760: if (elType.ElTypeNum == MathML_EL_MO)
1761: {
1762: content = TtaGetFirstChild (el);
1763: if (content != NULL)
1764: {
1765: elType = TtaGetElementType (content);
1766: if (elType.ElTypeNum == MathML_EL_TEXT_UNIT)
1767: {
1768: len = TtaGetTextLength (content);
1769: if (len == 1)
1770: {
1771: len = 2;
1772: TtaGiveTextContent (content, text, &len, &lang);
1773: alphabet = TtaGetAlphabet (lang);
1774: if (len == 1)
1775: if (alphabet == 'L')
1776: /* a single character */
1777: if (text[0] == '(' || text[0] == ')' ||
1778: text[0] == '[' || text[0] == ']' ||
1779: text[0] == '{' || text[0] == '}' ||
1780: text[0] == '|' )
1781: {
1782: /* remove the content of the MO element */
1783: TtaDeleteTree (content, doc);
1784: /* change the MO element into a MF element */
1785: ChangeTypeOfElement (el, doc, MathML_EL_MF);
1.46 cvs 1786:
1787: /* is there an attribute stretchy on this mo element? */
1.1 cvs 1788: attrType.AttrSSchema = elType.ElSSchema;
1.46 cvs 1789: attrType.AttrTypeNum = MathML_ATTR_stretchy;
1790: attrStretchy = TtaGetAttribute (el, attrType);
1791: if (attrStretchy)
1792: val = TtaGetAttributeValue (attrStretchy);
1793: else
1794: val = MathML_ATTR_stretchy_VAL_true;
1795: if (val == MathML_ATTR_stretchy_VAL_true)
1796: {
1797: /* attach a IntVertStretch attribute to the MF element */
1798: attrType.AttrTypeNum = MathML_ATTR_IntVertStretch;
1799: attr = TtaNewAttribute (attrType);
1800: TtaAttachAttribute (el, attr, doc);
1801: TtaSetAttributeValue (attr, MathML_ATTR_IntVertStretch_VAL_yes_, el, doc);
1802: }
1.1 cvs 1803: /* create a new content for the MF element */
1804: if (text[0] == '|')
1805: {
1806: elType.ElTypeNum = MathML_EL_GRAPHICS_UNIT;
1807: c = 'v';
1808: }
1809: else
1810: {
1811: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
1812: c = text[0];
1813: }
1814: content = TtaNewElement (doc, elType);
1815: TtaInsertFirstChild (&content, el, doc);
1816: TtaSetGraphicsShape (content, c, doc);
1817: }
1818: }
1819: }
1820: }
1821: }
1822: }
1823:
1824: /*----------------------------------------------------------------------
1825: CreateFencedSeparators
1826: Create FencedSeparator elements within the fencedExpression
1827: according to attribute separators of the MFENCED element.
1828: ----------------------------------------------------------------------*/
1829: #ifdef __STDC__
1.18 cvs 1830: void CreateFencedSeparators (Element fencedExpression, Document doc, ThotBool record)
1.1 cvs 1831: #else
1.17 cvs 1832: void CreateFencedSeparators (fencedExpression, doc, record)
1.1 cvs 1833: Element fencedExpression;
1834: Document doc;
1.18 cvs 1835: ThotBool record;
1.1 cvs 1836:
1837: #endif
1838: {
1839: ElementType elType;
1840: Element child, separator, leaf, next, prev, mfenced;
1841: AttributeType attrType;
1842: Attribute attr;
1843: int length, sep, i;
1844: Language lang;
1.46 cvs 1845: CHAR_T text[32], sepValue[4];
1.1 cvs 1846:
1847: /* get the separators attribute */
1848: mfenced = TtaGetParent (fencedExpression);
1849: elType = TtaGetElementType (fencedExpression);
1850: attrType.AttrSSchema = elType.ElSSchema;
1851: attrType.AttrTypeNum = MathML_ATTR_separators;
1852: text[0] = ','; /* default value is sparators="," */
1853: text[1] = EOS;
1854: length = 1;
1855: attr = TtaGetAttribute (mfenced, attrType);
1856: if (attr != NULL)
1857: {
1858: length = 31;
1859: TtaGiveTextAttributeValue (attr, text, &length);
1860: }
1861:
1862: /* create FencedSeparator elements in the FencedExpression */
1863: prev = NULL;
1864: sep = 0;
1865: /* skip leading spaces in attribute separators */
1866: while (text[sep] <= SPACE && text[sep] != EOS)
1867: sep++;
1868: /* if attribute separators is empty or contains only spaces, do not
1869: insert any separator element */
1870: if (text[sep] != EOS)
1871: {
1872: child = TtaGetFirstChild (fencedExpression);
1873: while (child != NULL)
1874: {
1875: next = child;
1876: TtaNextSibling (&next);
1877: elType = TtaGetElementType (child);
1878: if (elType.ElTypeNum != MathML_EL_Construct)
1879: {
1880: if (prev != NULL)
1881: {
1882: elType.ElTypeNum = MathML_EL_FencedSeparator;
1883: separator = TtaNewElement (doc, elType);
1884: TtaInsertSibling (separator, prev, FALSE, doc);
1885: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
1886: leaf = TtaNewElement (doc, elType);
1887: TtaInsertFirstChild (&leaf, separator, doc);
1888: sepValue[0] = text[sep];
1889: sepValue[1] = SPACE;
1890: sepValue[2] = EOS;
1891: lang = TtaGetLanguageIdFromAlphabet('L');
1892: TtaSetTextContent (leaf, sepValue, lang, doc);
1893: /* is there a following non-space character in separators? */
1894: i = sep + 1;
1895: while (text[i] <= SPACE && text[i] != EOS)
1896: i++;
1897: if (text[i] > SPACE && text[i] != EOS)
1898: sep = i;
1.17 cvs 1899: if (record)
1900: TtaRegisterElementCreate (separator, doc);
1.1 cvs 1901: }
1902: prev = child;
1903: }
1904: child = next;
1905: }
1906: }
1907: }
1908:
1909:
1910: /*----------------------------------------------------------------------
1911: TransformMFENCED
1912: Transform the content of a MFENCED element: create elements
1913: OpeningFence, FencedExpression, ClosingFence and FencedSeparator.
1914: ----------------------------------------------------------------------*/
1915: #ifdef __STDC__
1.46 cvs 1916: static void TransformMFENCED (Element el, Document doc)
1.1 cvs 1917: #else
1.46 cvs 1918: static void TransformMFENCED (el, doc)
1.1 cvs 1919: Element el;
1920: Document doc;
1921:
1922: #endif
1923: {
1924: ElementType elType;
1925: Element child, fencedExpression, leaf, fence, next, prev,
1926: firstChild;
1927: AttributeType attrType;
1928: Attribute attr;
1.47 cvs 1929: int length;
1930: char text[32], c;
1.1 cvs 1931:
1932: child = TtaGetFirstChild (el);
1933: if (child != NULL)
1934: elType = TtaGetElementType (child);
1935: if (child != NULL && elType.ElTypeNum == MathML_EL_OpeningFence)
1936: /* The first child of this MFENCED element is an OpeningFence.
1937: This MFENCED expression has already been transformed, possibly
1938: by the Transform command */
1939: {
1940: TtaNextSibling (&child);
1941: fencedExpression = child;
1942: if (fencedExpression != NULL)
1943: elType = TtaGetElementType (fencedExpression);
1944: if (elType.ElTypeNum == MathML_EL_FencedExpression)
1945: /* the second child is a FencedExpression. OK.
1946: Remove all existing FencedSeparator elements */
1947: {
1948: child = TtaGetFirstChild (fencedExpression);
1949: prev = NULL;
1950: while (child != NULL)
1951: {
1952: elType = TtaGetElementType (child);
1953: next = child;
1954: TtaNextSibling (&next);
1955: if (elType.ElTypeNum == MathML_EL_FencedSeparator)
1956: /* Remove this separator */
1957: TtaDeleteTree (child, doc);
1958: child = next;
1959: }
1960: /* create FencedSeparator elements in the FencedExpression */
1.17 cvs 1961: CreateFencedSeparators (fencedExpression, doc, FALSE);
1.1 cvs 1962: }
1963: }
1964: else
1965: /* this MFENCED element must be transformed */
1966: {
1967: /* create a FencedExpression element as a child of the MFENCED elem. */
1968: elType = TtaGetElementType (el);
1969: elType.ElTypeNum = MathML_EL_FencedExpression;
1970: fencedExpression = TtaNewElement (doc, elType);
1971: TtaInsertFirstChild (&fencedExpression, el, doc);
1972: if (child == NULL)
1973: /* empty MFENCED element */
1974: {
1975: elType.ElTypeNum = MathML_EL_Construct;
1976: child = TtaNewElement (doc, elType);
1977: TtaInsertFirstChild (&child, fencedExpression, doc);
1.22 cvs 1978: SetIntPlaceholderAttr (child, doc);
1.1 cvs 1979: }
1980: else
1981: {
1982: /* move the content of the MFENCED element within the new
1983: FencedExpression element */
1984: prev = NULL;
1985: firstChild = NULL;
1986: while (child != NULL)
1987: {
1988: next = child;
1989: TtaNextSibling (&next);
1990: TtaRemoveTree (child, doc);
1991: if (prev == NULL)
1992: {
1993: TtaInsertFirstChild (&child, fencedExpression, doc);
1994: firstChild = child;
1995: }
1996: else
1997: TtaInsertSibling (child, prev, FALSE, doc);
1998: prev = child;
1999: child = next;
2000: }
2001:
2002: /* create FencedSeparator elements in the FencedExpression */
1.17 cvs 2003: CreateFencedSeparators (fencedExpression, doc, FALSE);
1.1 cvs 2004:
2005: /* Create placeholders within the FencedExpression element */
2006: CreatePlaceholders (firstChild, doc);
2007: }
2008:
2009: /* create the OpeningFence element according to the open attribute */
2010: c = '(';
2011: attrType.AttrSSchema = elType.ElSSchema;
2012: attrType.AttrTypeNum = MathML_ATTR_open;
2013: attr = TtaGetAttribute (el, attrType);
2014: if (attr != NULL)
2015: {
2016: length = 7;
2017: TtaGiveTextAttributeValue (attr, text, &length);
2018: c = text[0];
2019: }
2020: elType.ElTypeNum = MathML_EL_OpeningFence;
2021: fence = TtaNewElement (doc, elType);
2022: TtaInsertSibling (fence, fencedExpression, TRUE, doc);
2023: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
2024: leaf = TtaNewElement (doc, elType);
2025: TtaInsertFirstChild (&leaf, fence, doc);
2026: TtaSetGraphicsShape (leaf, c, doc);
2027:
2028: /* create the ClosingFence element according to close attribute */
2029: c = ')';
2030: attrType.AttrTypeNum = MathML_ATTR_close;
2031: attr = TtaGetAttribute (el, attrType);
2032: if (attr != NULL)
2033: {
2034: length = 7;
2035: TtaGiveTextAttributeValue (attr, text, &length);
2036: c = text[0];
2037: }
2038: elType.ElTypeNum = MathML_EL_ClosingFence;
2039: fence = TtaNewElement (doc, elType);
2040: TtaInsertSibling (fence, fencedExpression, FALSE, doc);
2041: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
2042: leaf = TtaNewElement (doc, elType);
2043: TtaInsertFirstChild (&leaf, fence, doc);
2044: TtaSetGraphicsShape (leaf, c, doc);
2045: }
2046: }
2047:
2048: /*----------------------------------------------------------------------
2049: MathMLElementComplete
2050: Check the Thot structure of the MathML element el.
2051: ----------------------------------------------------------------------*/
2052: #ifdef __STDC__
2053: void MathMLElementComplete (Element el, Document doc)
2054: #else
2055: void MathMLElementComplete (el, doc)
2056: Element el;
2057: Document doc;
2058:
2059: #endif
2060: {
2061: ElementType elType, parentType;
2062: Element child, parent, new, prev, next;
2063: AttributeType attrType;
2064: Attribute attr;
1.2 cvs 2065: SSchema MathMLSSchema;
1.1 cvs 2066:
2067: elType = TtaGetElementType (el);
1.2 cvs 2068: MathMLSSchema = GetMathMLSSchema (doc);
1.1 cvs 2069:
2070: if (elType.ElSSchema != MathMLSSchema)
2071: /* this is not a MathML element. It's the HTML element <math>, or
2072: any other element containing a MathML expression */
2073: {
2074: if (TtaGetFirstChild (el) == NULL && !TtaIsLeaf (elType))
2075: /* this element is empty. Create a MathML element as it's child */
2076: {
2077: elType.ElSSchema = MathMLSSchema;
2078: elType.ElTypeNum = MathML_EL_MathML;
2079: new = TtaNewElement (doc, elType);
2080: TtaInsertFirstChild (&new, el, doc);
2081: /* Create a placeholder within the MathML element */
2082: elType.ElTypeNum = MathML_EL_Construct;
2083: child = TtaNewElement (doc, elType);
2084: TtaInsertFirstChild (&child, new, doc);
2085: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 2086: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 2087: attr = TtaNewAttribute (attrType);
2088: TtaAttachAttribute (child, attr, doc);
1.28 cvs 2089: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_,
2090: child, doc);
1.1 cvs 2091: }
2092: }
2093: else
2094: {
2095: switch (elType.ElTypeNum)
2096: {
2097: case MathML_EL_TEXT_UNIT:
2098: CheckTextElement (&el, doc);
2099: break;
2100: case MathML_EL_MI:
2101: SetFontstyleAttr (el, doc);
2102: break;
2103: case MathML_EL_MO:
1.22 cvs 2104: SetIntAddSpaceAttr (el, doc);
2105: SetIntVertStretchAttr (el, doc, 0, NULL);
1.1 cvs 2106: break;
1.39 cvs 2107: case MathML_EL_MROW:
2108: /* end of MROW */
2109: /*if the first and the last child are MO containing a fence character
2110: transform the MO into a MF and the character into a Thot SYMBOL */
2111: child = TtaGetFirstChild (el);
2112: if (child != NULL)
2113: {
2114: CheckFence (child, doc);
2115: child = TtaGetLastChild (el);
2116: if (child != NULL)
2117: CheckFence (child, doc);
2118: /* Create placeholders within the MROW */
2119: CreatePlaceholders (TtaGetFirstChild (el), doc);
2120: }
2121: break;
2122: case MathML_EL_MFRAC:
2123: /* end of a fraction. Create a Numerator and a Denominator */
2124: CheckMathSubExpressions (el, MathML_EL_Numerator,
2125: MathML_EL_Denominator, 0, doc);
2126: break;
2127: case MathML_EL_MSQRT:
2128: /* end od a Square Root. Create a SqrtBase that contains all
2129: children of the MSQRT element */
2130: CreateWrapper (el, MathML_EL_SqrtBase, doc);
2131: break;
1.1 cvs 2132: case MathML_EL_MROOT:
2133: /* end of a Root. Create a RootBase and an Index */
2134: CheckMathSubExpressions (el, MathML_EL_RootBase, MathML_EL_Index,
2135: 0, doc);
2136: break;
1.39 cvs 2137: case MathML_EL_MSTYLE:
2138: case MathML_EL_MERROR:
2139: case MathML_EL_MPADDED:
2140: case MathML_EL_MPHANTOM:
2141: /* Create placeholders within the element */
2142: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.1 cvs 2143: break;
2144: case MathML_EL_MFENCED:
2145: TransformMFENCED (el, doc);
2146: break;
2147: case MathML_EL_MSUB:
2148: /* end of a MSUB. Create Base and Subscript */
2149: CheckMathSubExpressions (el, MathML_EL_Base, MathML_EL_Subscript,
2150: 0, doc);
1.22 cvs 2151: SetIntVertStretchAttr (el, doc, MathML_EL_Base, NULL);
1.1 cvs 2152: break;
2153: case MathML_EL_MSUP:
2154: /* end of a MSUP. Create Base and Superscript */
2155: CheckMathSubExpressions (el, MathML_EL_Base, MathML_EL_Superscript,
2156: 0, doc);
1.22 cvs 2157: SetIntVertStretchAttr (el, doc, MathML_EL_Base, NULL);
1.1 cvs 2158: break;
1.39 cvs 2159: case MathML_EL_MSUBSUP:
2160: /* end of a MSUBSUP. Create Base, Subscript, and Superscript */
2161: CheckMathSubExpressions (el, MathML_EL_Base, MathML_EL_Subscript,
2162: MathML_EL_Superscript, doc);
2163: SetIntVertStretchAttr (el, doc, MathML_EL_Base, NULL);
1.1 cvs 2164: break;
2165: case MathML_EL_MUNDER:
2166: /* end of a MUNDER. Create UnderOverBase, and Underscript */
2167: CheckMathSubExpressions (el, MathML_EL_UnderOverBase,
2168: MathML_EL_Underscript, 0, doc);
1.22 cvs 2169: SetIntHorizStretchAttr (el, doc);
2170: SetIntVertStretchAttr (el, doc, MathML_EL_UnderOverBase, NULL);
1.1 cvs 2171: break;
2172: case MathML_EL_MOVER:
2173: /* end of a MOVER. Create UnderOverBase, and Overscript */
2174: CheckMathSubExpressions (el, MathML_EL_UnderOverBase,
2175: MathML_EL_Overscript, 0, doc);
1.22 cvs 2176: SetIntHorizStretchAttr (el, doc);
2177: SetIntVertStretchAttr (el, doc, MathML_EL_UnderOverBase, NULL);
1.1 cvs 2178: break;
1.39 cvs 2179: case MathML_EL_MUNDEROVER:
2180: /* end of a MUNDEROVER. Create UnderOverBase, Underscript, and
2181: Overscript */
2182: CheckMathSubExpressions (el, MathML_EL_UnderOverBase,
2183: MathML_EL_Underscript, MathML_EL_Overscript, doc);
2184: SetIntHorizStretchAttr (el, doc);
2185: SetIntVertStretchAttr (el, doc, MathML_EL_UnderOverBase, NULL);
2186: break;
1.1 cvs 2187: case MathML_EL_MMULTISCRIPTS:
2188: /* end of a MMULTISCRIPTS. Create all elements defined in the
2189: MathML S schema */
2190: BuildMultiscript (el, doc);
1.5 cvs 2191: break;
2192: case MathML_EL_MTABLE:
2193: /* end of a MTABLE. Create all elements defined in the MathML S
2194: schema */
2195: CheckMTable (el, doc);
1.1 cvs 2196: break;
1.39 cvs 2197: case MathML_EL_MTD:
2198: /* Create placeholders within the table cell */
2199: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.46 cvs 2200: break;
2201: case MathML_EL_MCHAR:
2202: /* set the content of the mchar element according to the value of
2203: its name attribute */
2204: SetMcharContent (el, doc);
1.39 cvs 2205: break;
2206: case MathML_EL_MACTION:
2207: /* Create placeholders within the MACTION element */
2208: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.1 cvs 2209: break;
2210: default:
2211: break;
2212: }
2213: parent = TtaGetParent (el);
2214: parentType = TtaGetElementType (parent);
2215: if (parentType.ElSSchema != elType.ElSSchema)
2216: /* root of a MathML tree, Create a MathML element if there is no */
2217: if (elType.ElTypeNum != MathML_EL_MathML)
2218: {
2219: elType.ElSSchema = MathMLSSchema;
2220: elType.ElTypeNum = MathML_EL_MathML;
2221: new = TtaNewElement (doc, elType);
2222: TtaInsertSibling (new, el, TRUE, doc);
2223: next = el;
2224: TtaNextSibling (&next);
2225: TtaRemoveTree (el, doc);
2226: TtaInsertFirstChild (&el, new, doc);
2227: prev = el;
2228: while (next != NULL)
2229: {
2230: child = next;
2231: TtaNextSibling (&next);
2232: TtaRemoveTree (child, doc);
2233: TtaInsertSibling (child, prev, FALSE, doc);
2234: prev = child;
2235: }
2236: /* Create placeholders within the MathML element */
2237: CreatePlaceholders (el, doc);
2238: }
2239: }
2240: }
2241:
2242: /*----------------------------------------------------------------------
1.24 cvs 2243: SetFontfamily
2244: -----------------------------------------------------------------------*/
2245: #ifdef __STDC__
2246: void SetFontfamily (Document doc, Element el, STRING value)
2247: #else /* __STDC__*/
2248: void SetFontfamily (doc, el, value)
2249: Document doc;
2250: Element el;
2251: STRING value;
2252: #endif /* __STDC__*/
2253: {
2254: #define buflen 50
2255: CHAR_T css_command[buflen+20];
2256:
1.26 cvs 2257: usprintf (css_command, TEXT("font-family: %s"), value);
1.24 cvs 2258: ParseHTMLSpecificStyle (el, css_command, doc, FALSE);
2259: }
2260:
2261: /*----------------------------------------------------------------------
2262: SetFontsize
2263: -----------------------------------------------------------------------*/
2264: #ifdef __STDC__
2265: void SetFontsize (Document doc, Element el, STRING value)
2266: #else /* __STDC__*/
2267: void SetFontsize (doc, el, value)
2268: Document doc;
2269: Element el;
2270: STRING value;
2271: #endif /* __STDC__*/
2272: {
2273: #define buflen 50
2274: CHAR_T css_command[buflen+20];
2275:
1.26 cvs 2276: usprintf (css_command, TEXT("font-size: %s"), value);
1.24 cvs 2277: ParseHTMLSpecificStyle (el, css_command, doc, FALSE);
2278: }
2279:
2280: /*----------------------------------------------------------------------
1.1 cvs 2281: MathMLAttributeComplete
2282: ----------------------------------------------------------------------*/
2283: #ifdef __STDC__
2284: void MathMLAttributeComplete (Attribute attr, Element el, Document doc)
2285: #else
2286: void MathMLAttributeComplete (attr, el, doc)
2287: Attribute attr;
2288: Element el;
2289: Document doc;
2290:
2291: #endif
2292: {
1.23 cvs 2293: AttributeType attrType;
2294: int attrKind;
2295: #define buflen 50
1.33 cvs 2296: STRING value;
1.23 cvs 2297: int length;
2298:
2299: TtaGiveAttributeType (attr, &attrType, &attrKind);
1.24 cvs 2300: if (attrType.AttrTypeNum == MathML_ATTR_color ||
2301: attrType.AttrTypeNum == MathML_ATTR_background_ ||
2302: attrType.AttrTypeNum == MathML_ATTR_fontsize ||
2303: attrType.AttrTypeNum == MathML_ATTR_fontfamily)
1.23 cvs 2304: {
2305: length = TtaGetTextAttributeLength (attr);
2306: if (length >= buflen)
2307: length = buflen - 1;
2308: if (length > 0)
2309: {
1.42 cvs 2310: value = TtaAllocString (buflen);
1.33 cvs 2311: value[0] = EOS;
2312: TtaGiveTextAttributeValue (attr, value, &length);
2313: switch (attrType.AttrTypeNum)
2314: {
2315: case MathML_ATTR_color:
1.24 cvs 2316: HTMLSetForegroundColor (doc, el, value);
2317: break;
1.33 cvs 2318: case MathML_ATTR_background_:
1.24 cvs 2319: HTMLSetBackgroundColor (doc, el, value);
2320: break;
1.33 cvs 2321: case MathML_ATTR_fontsize:
1.24 cvs 2322: SetFontsize (doc, el, value);
2323: break;
1.33 cvs 2324: case MathML_ATTR_fontfamily:
1.24 cvs 2325: SetFontfamily (doc, el, value);
2326: break;
1.33 cvs 2327: }
2328: TtaFreeMemory (value);
1.23 cvs 2329: }
2330: }
1.1 cvs 2331: }
2332:
2333: /*----------------------------------------------------------------------
2334: MathMLGetDTDName
2335: ----------------------------------------------------------------------*/
2336: #ifdef __STDC__
1.14 cvs 2337: void MathMLGetDTDName (STRING DTDname, STRING elementName)
1.1 cvs 2338: #else
2339: void MathMLGetDTDName (DTDname, elementName)
1.14 cvs 2340: STRING DTDname;
2341: STRING elementName;
1.1 cvs 2342:
2343: #endif
2344: {
2345: /* no other DTD allowed within MathML elements */
1.26 cvs 2346: ustrcpy (DTDname, _EMPTYSTR_);
1.1 cvs 2347: }
2348:
2349: /* end of module */
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