Annotation of Amaya/amaya/MathMLbuilder.c, revision 1.97
1.1 cvs 1: /*
2: *
1.60 cvs 3: * (c) COPYRIGHT MIT and INRIA, 1996-2000
1.1 cvs 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:
1.51 cvs 15:
1.1 cvs 16: #define THOT_EXPORT extern
1.4 cvs 17: #include "amaya.h"
1.25 cvs 18: #include "css.h"
1.59 cvs 19: #include "html2thot_f.h"
1.79 cvs 20: #include "Xml2thot_f.h"
1.25 cvs 21: #include "MathML.h"
22: #include "parser.h"
1.59 cvs 23: #include "styleparser_f.h"
24: #include "style.h"
25: #include "undo.h"
1.1 cvs 26:
1.79 cvs 27: XmlEntity MathEntityTable[] =
1.1 cvs 28: {
29: /* This table MUST be in alphabetical order */
30: /* This table contains characters from the Symbol font plus some
31: specific MathML entities */
1.44 cvs 32: {TEXT("Agr"), 65, 'G'},
33: {TEXT("And"), 217, 'G'},
1.86 cvs 34: {TEXT("ApplyFunction"), 129, 'L'}, /* rendered as a thin space */
1.44 cvs 35: {TEXT("Backslash"), 92, 'L'},
36: {TEXT("Bgr"), 66, 'G'},
37: {TEXT("Cap"), 199, 'G'},
38: {TEXT("CenterDot"), 215, 'G'},
39: {TEXT("CirclePlus"), 197, 'G'},
40: {TEXT("CircleTimes"), 196, 'G'},
41: {TEXT("Colon"), 58, 'G'},
42: {TEXT("Congruent"), 64, 'G'},
43: {TEXT("Cup"), 200, 'G'},
1.52 cvs 44: {TEXT("Del"), 209, 'G'},
1.44 cvs 45: {TEXT("Delta"), 68, 'G'},
46: {TEXT("Diamond"), 168, 'G'},
1.53 cvs 47: {TEXT("DifferentialD"), 100, 'L'},
1.44 cvs 48: {TEXT("DoubleDownArrow"), 223, 'G'},
49: {TEXT("DoubleLeftArrow"), 220, 'G'},
50: {TEXT("DoubleLeftRightArrow"), 219, 'G'},
51: {TEXT("DoubleRightArrow"), 222, 'G'},
52: {TEXT("DoubleUpArrow"), 221, 'G'},
53: {TEXT("DownArrow"), 175, 'G'},
54: {TEXT("DownTee"), 94, 'G'},
55: {TEXT("EEgr"), 72, 'G'},
56: {TEXT("Egr"), 69, 'G'},
57: {TEXT("Element"), 206, 'G'},
58: {TEXT("Equal"), 61, 'L'},
59: {TEXT("EqualTilde"), 64, 'G'},
60: {TEXT("Exists"), 36, 'G'},
1.53 cvs 61: {TEXT("ExponentialE"), 101, 'L'},
1.44 cvs 62: {TEXT("ForAll"), 34, 'G'},
63: {TEXT("Gamma"), 71, 'G'},
64: {TEXT("GreaterEqual"), 179, 'G'},
1.53 cvs 65: {TEXT("Hat"), 94, 'L'},
1.44 cvs 66: {TEXT("Igr"), 73, 'G'},
1.53 cvs 67: {TEXT("ImaginaryI"), 105, 'L'},
1.44 cvs 68: {TEXT("Integral"), 242, 'G'},
69: {TEXT("Intersection"), 199, 'G'},
1.86 cvs 70: {TEXT("InvisibleComma"), 129, 'L'}, /* thin space */
71: {TEXT("InvisibleTimes"), 129, 'L'}, /* thin space */
1.44 cvs 72: {TEXT("Kgr"), 75, 'G'},
73: {TEXT("KHgr"), 67, 'G'},
74: {TEXT("Lambda"), 76, 'G'},
1.90 cvs 75: {TEXT("LeftAngleBracket"), 225, 'G'},
1.44 cvs 76: {TEXT("LeftArrow"), 172, 'G'},
1.52 cvs 77: {TEXT("LeftCeiling"), 233, 'G'},
78: {TEXT("LeftFloor"), 235, 'G'},
1.44 cvs 79: {TEXT("LeftRightArrow"), 171, 'G'},
80: {TEXT("Mgr"), 77, 'G'},
81: {TEXT("Ngr"), 78, 'G'},
82: {TEXT("NonBreakingSpace"), 160, 'L'},
83: {TEXT("Not"), 216, 'G'},
84: {TEXT("NotElement"), 207, 'G'},
85: {TEXT("NotEqual"), 185, 'G'},
86: {TEXT("NotSubset"), 203, 'G'},
87: {TEXT("Ogr"), 79, 'G'},
88: {TEXT("Omega"), 87, 'G'},
89: {TEXT("Or"), 218, 'G'},
1.55 cvs 90: {TEXT("OverBar"), 45, 'G'},
1.89 cvs 91: {TEXT("OverBrace"), 132, 'G'}, /* 132?? */
1.44 cvs 92: {TEXT("PI"), 213, 'G'},
93: {TEXT("PartialD"), 182, 'G'},
94: {TEXT("Phi"), 70, 'G'},
95: {TEXT("Pi"), 80, 'G'},
96: {TEXT("PlusMinus"), 177, 'G'},
1.57 cvs 97: {TEXT("Prime"), 178, 'G'},
1.44 cvs 98: {TEXT("Product"), 213, 'G'},
99: {TEXT("Proportional"), 181, 'G'},
100: {TEXT("Psi"), 89, 'G'},
1.52 cvs 101: {TEXT("RightAngleBracket"), 241, 'G'},
102: {TEXT("RightCeiling"), 249, 'G'},
103: {TEXT("RightFloor"), 251, 'G'},
1.44 cvs 104: {TEXT("Rgr"), 82, 'G'},
105: {TEXT("RightArrow"), 174, 'G'},
106: {TEXT("Sigma"), 83, 'G'},
107: {TEXT("Sol"), 164, 'G'},
108: {TEXT("Star"), 42, 'L'},
109: {TEXT("Subset"), 204, 'G'},
110: {TEXT("SubsetEqual"), 205, 'G'},
111: {TEXT("SuchThat"), 39, 'G'},
112: {TEXT("Sum"), 229, 'G'},
113: {TEXT("Superset"), 201, 'G'},
114: {TEXT("SupersetEqual"), 202, 'G'},
115: {TEXT("Tgr"), 84, 'G'},
116: {TEXT("Therefore"), 92, 'G'},
117: {TEXT("Theta"), 81, 'G'},
1.53 cvs 118: {TEXT("ThickSpace"), 130, 'L'},
119: {TEXT("ThinSpace"), 129, 'L'},
1.44 cvs 120: {TEXT("Tilde"), 126, 'L'},
121: {TEXT("TripleDot"), 188, 'G'},
1.55 cvs 122: {TEXT("UnderBar"), 45, 'G'},
1.89 cvs 123: {TEXT("UnderBrace"), 133, 'G'}, /* 133?? */
1.44 cvs 124: {TEXT("Union"), 200, 'G'},
125: {TEXT("UpArrow"), 173, 'G'},
126: {TEXT("Upsi"), 85, 'G'},
127: {TEXT("Upsi1"), 161, 'G'},
128: {TEXT("Vee"), 218, 'G'},
129: {TEXT("Verbar"), 189, 'G'},
130: {TEXT("VerticalBar"), 124, 'L'},
131: {TEXT("Xi"), 88, 'G'},
132: {TEXT("Zgr"), 90, 'G'},
1.86 cvs 133: {TEXT("af"), 129, 'L'}, /* rendered as thin space */
1.44 cvs 134: {TEXT("aleph"), 192, 'G'},
135: {TEXT("alpha"), 97, 'G'},
136: {TEXT("and"), 217, 'G'},
137: {TEXT("angle"), 208, 'G'},
138: {TEXT("ap"), 187, 'G'},
139: {TEXT("beta"), 98, 'G'},
1.52 cvs 140: {TEXT("bot"), 94, 'G'},
1.44 cvs 141: {TEXT("bottom"), 94, 'G'},
142: {TEXT("bull"), 183, 'G'},
143: {TEXT("cap"), 199, 'G'},
144: {TEXT("chi"), 99, 'G'},
1.52 cvs 145: {TEXT("circ"), 94, 'L'},
1.44 cvs 146: {TEXT("clubs"), 167, 'G'},
147: {TEXT("cong"), 64, 'G'},
148: {TEXT("copysf"), 211, 'G'},
149: {TEXT("copyssf"), 227, 'G'},
150: {TEXT("cr"), 191, 'G'},
151: {TEXT("cup"), 200, 'G'},
1.52 cvs 152: {TEXT("dArr"), 223, 'G'},
1.44 cvs 153: {TEXT("darr"), 175, 'G'},
154: {TEXT("dd"), 100, 'L'},
155: {TEXT("deg"), 176, 'G'},
156: {TEXT("delta"), 100, 'G'},
157: {TEXT("diams"), 168, 'G'},
158: {TEXT("divide"), 184, 'G'},
159: {TEXT("dtri"), 209, 'G'},
160: {TEXT("ee"), 101, 'L'},
161: {TEXT("empty"), 198, 'G'},
1.52 cvs 162: {TEXT("emptyset"), 198, 'G'},
1.44 cvs 163: {TEXT("emsp"), 32, 'G'},
164: {TEXT("epsiv"), 101, 'G'},
165: {TEXT("equiv"), 186, 'G'},
166: {TEXT("eta"), 104, 'G'},
167: {TEXT("exist"), 36, 'G'},
168: {TEXT("florin"), 166, 'G'},
169: {TEXT("forall"), 34, 'G'},
170: {TEXT("gamma"), 103, 'G'},
171: {TEXT("ge"), 179, 'G'},
1.52 cvs 172: {TEXT("geq"), 179, 'G'},
1.44 cvs 173: {TEXT("gt"), 62, 'L'},
174: {TEXT("hearts"), 169, 'G'},
175: {TEXT("horbar"), 190, 'G'},
1.52 cvs 176: {TEXT("iff"), 219, 'G'},
1.44 cvs 177: {TEXT("ifraktur"), 193, 'G'},
1.52 cvs 178: {TEXT("in"), 206, 'G'},
1.44 cvs 179: {TEXT("infin"), 165, 'G'},
180: {TEXT("int"), 242, 'G'},
181: {TEXT("iota"), 105, 'G'},
182: {TEXT("isin"), 206, 'G'},
1.86 cvs 183: {TEXT("it"), 129, 'L'}, /* rendered as a thin space */
1.44 cvs 184: {TEXT("kappa"), 107, 'G'},
1.52 cvs 185: {TEXT("lArr"), 220, 'G'},
1.44 cvs 186: {TEXT("lambda"), 108, 'G'},
187: {TEXT("lang"), 225, 'G'},
1.52 cvs 188: {TEXT("langle"), 225, 'G'},
1.44 cvs 189: {TEXT("larr"), 172, 'G'},
1.52 cvs 190: {TEXT("lbrace"), 123, 'L'},
191: {TEXT("lceil"), 233, 'G'},
192: {TEXT("lcub"), 123, 'L'},
1.44 cvs 193: {TEXT("le"), 163, 'G'},
1.52 cvs 194: {TEXT("leq"), 163, 'G'},
195: {TEXT("lfloor"), 235, 'G'},
1.44 cvs 196: {TEXT("lowbar"), 95, 'G'},
197: {TEXT("loz"), 224, 'G'},
1.52 cvs 198: {TEXT("lrArr"), 219, 'G'},
1.44 cvs 199: {TEXT("lrarr"), 171, 'G'},
200: {TEXT("lsqb"), 91, 'G'},
201: {TEXT("lt"), 60, 'L'},
202: {TEXT("middot"), 215, 'G'},
203: {TEXT("mldr"), 188, 'G'},
204: {TEXT("mu"), 109, 'G'},
1.52 cvs 205: {TEXT("nabla"), 209, 'G'},
1.62 cvs 206: {TEXT("nbsp"), 160, 'L'},
1.44 cvs 207: {TEXT("ne"), 185, 'G'},
1.52 cvs 208: {TEXT("neq"), 185, 'G'},
1.44 cvs 209: {TEXT("not"), 216, 'G'},
210: {TEXT("notin"), 207, 'G'},
211: {TEXT("nu"), 110, 'G'},
212: {TEXT("ogr"), 111, 'G'},
213: {TEXT("omega"), 119, 'G'},
214: {TEXT("oplus"), 197, 'G'},
215: {TEXT("or"), 218, 'G'},
216: {TEXT("otimes"), 196, 'G'},
217: {TEXT("part"), 182, 'G'},
1.52 cvs 218: {TEXT("perp"), 94, 'G'},
1.44 cvs 219: {TEXT("phi"), 102, 'G'},
220: {TEXT("phiv"), 106, 'G'},
221: {TEXT("pi"), 112, 'G'},
222: {TEXT("piv"), 118, 'G'},
1.57 cvs 223: {TEXT("prime"), 162, 'G'},
1.44 cvs 224: {TEXT("prop"), 181, 'G'},
225: {TEXT("psi"), 121, 'G'},
1.52 cvs 226: {TEXT("rArr"), 222, 'G'},
1.44 cvs 227: {TEXT("radic"), 214, 'G'},
1.52 cvs 228: {TEXT("rang"), 241, 'G'},
229: {TEXT("rangle"), 241, 'G'},
1.44 cvs 230: {TEXT("rarr"), 174, 'G'},
1.52 cvs 231: {TEXT("rbrace"), 125, 'L'},
232: {TEXT("rceil"), 249, 'G'},
233: {TEXT("rcub"), 125, 'L'},
1.44 cvs 234: {TEXT("rdquo"), 178, 'G'},
235: {TEXT("regsf"), 210, 'G'},
236: {TEXT("regssf"), 226, 'G'},
1.52 cvs 237: {TEXT("rfloor"), 251, 'G'},
1.44 cvs 238: {TEXT("rfraktur"), 194, 'G'},
239: {TEXT("rho"), 114, 'G'},
240: {TEXT("rsqb"), 93, 'G'},
241: {TEXT("sigma"), 115, 'G'},
242: {TEXT("sigmav"), 86, 'G'},
243: {TEXT("spades"), 170, 'G'},
244: {TEXT("sub"), 204, 'G'},
245: {TEXT("sube"), 205, 'G'},
246: {TEXT("subne"), 203, 'G'},
1.52 cvs 247: {TEXT("subset"), 204, 'G'},
1.44 cvs 248: {TEXT("sum"), 229, 'G'},
249: {TEXT("sup"), 201, 'G'},
250: {TEXT("supe"), 202, 'G'},
1.52 cvs 251: {TEXT("supset"), 201, 'G'},
252: {TEXT("supseteq"), 202, 'G'},
253: {TEXT("supseteqq"), 202, 'G'},
1.44 cvs 254: {TEXT("tau"), 116, 'G'},
255: {TEXT("there4"), 92, 'G'},
1.52 cvs 256: {TEXT("therefore"), 92, 'G'},
1.44 cvs 257: {TEXT("theta"), 113, 'G'},
258: {TEXT("thetav"), 74, 'G'},
1.89 cvs 259: {TEXT("thickspace"), 130, 'L'},
1.44 cvs 260: {TEXT("times"), 180, 'G'},
261: {TEXT("trade"), 212, 'G'},
262: {TEXT("tradesf"), 212, 'G'},
263: {TEXT("tradessf"), 228, 'G'},
1.52 cvs 264: {TEXT("uArr"), 221, 'G'},
1.44 cvs 265: {TEXT("uarr"), 173, 'G'},
266: {TEXT("upsi"), 117, 'G'},
267: {TEXT("vee"), 218, 'G'},
268: {TEXT("weierp"), 195, 'G'},
269: {TEXT("xi"), 120, 'G'},
270: {TEXT("zeta"), 122, 'G'},
271: {TEXT("zzzz"), -1, SPACE} /* this last entry is required */
1.26 cvs 272:
1.1 cvs 273: };
274:
275: /* mapping table of attribute values */
276:
277: static AttrValueMapping MathMLAttrValueMappingTable[] =
278: {
1.47 cvs 279: {MathML_ATTR_accent, TEXT("true"), MathML_ATTR_accent_VAL_true},
280: {MathML_ATTR_accent, TEXT("false"), MathML_ATTR_accent_VAL_false},
1.46 cvs 281:
1.47 cvs 282: {MathML_ATTR_accentunder, TEXT("true"), MathML_ATTR_accentunder_VAL_true},
283: {MathML_ATTR_accentunder, TEXT("false"), MathML_ATTR_accentunder_VAL_false},
1.46 cvs 284:
1.54 cvs 285: {MathML_ATTR_bevelled, TEXT("true"), MathML_ATTR_bevelled_VAL_true},
286: {MathML_ATTR_bevelled, TEXT("false"), MathML_ATTR_bevelled_VAL_false},
1.46 cvs 287:
1.97 ! cvs 288: {MathML_ATTR_columnalign_mtd, TEXT("center"), MathML_ATTR_columnalign_mtd_VAL_center_},
! 289: {MathML_ATTR_columnalign_mtd, TEXT("left"), MathML_ATTR_columnalign_mtd_VAL_left_},
! 290: {MathML_ATTR_columnalign_mtd, TEXT("right"), MathML_ATTR_columnalign_mtd_VAL_right_},
! 291:
1.47 cvs 292: {MathML_ATTR_denomalign, TEXT("center"), MathML_ATTR_denomalign_VAL_center_},
293: {MathML_ATTR_denomalign, TEXT("left"), MathML_ATTR_denomalign_VAL_left_},
294: {MathML_ATTR_denomalign, TEXT("right"), MathML_ATTR_denomalign_VAL_right_},
1.46 cvs 295:
1.71 cvs 296: {MathML_ATTR_display, TEXT("block"), MathML_ATTR_display_VAL_block},
1.81 cvs 297: {MathML_ATTR_display, TEXT("display"), MathML_ATTR_display_VAL_block},
1.71 cvs 298: {MathML_ATTR_display, TEXT("inline"), MathML_ATTR_display_VAL_inline_},
299:
1.47 cvs 300: {MathML_ATTR_displaystyle, TEXT("true"), MathML_ATTR_displaystyle_VAL_true},
301: {MathML_ATTR_displaystyle, TEXT("false"), MathML_ATTR_displaystyle_VAL_false},
1.46 cvs 302:
1.47 cvs 303: {MathML_ATTR_edge, TEXT("left"), MathML_ATTR_edge_VAL_left_},
304: {MathML_ATTR_edge, TEXT("right"), MathML_ATTR_edge_VAL_right_},
1.46 cvs 305:
1.97 ! cvs 306: {MathML_ATTR_equalcolumns, TEXT("true"), MathML_ATTR_equalcolumns_VAL_true},
! 307: {MathML_ATTR_equalcolumns, TEXT("false"), MathML_ATTR_equalcolumns_VAL_false},
! 308:
! 309: {MathML_ATTR_equalrows, TEXT("true"), MathML_ATTR_equalrows_VAL_true},
! 310: {MathML_ATTR_equalrows, TEXT("false"), MathML_ATTR_equalrows_VAL_false},
! 311:
1.47 cvs 312: {MathML_ATTR_fence, TEXT("true"), MathML_ATTR_fence_VAL_true},
313: {MathML_ATTR_fence, TEXT("false"), MathML_ATTR_fence_VAL_false},
1.46 cvs 314:
1.47 cvs 315: {MathML_ATTR_fontstyle, TEXT("italic"), MathML_ATTR_fontstyle_VAL_italic},
316: {MathML_ATTR_fontstyle, TEXT("normal"), MathML_ATTR_fontstyle_VAL_normal_},
1.46 cvs 317:
1.47 cvs 318: {MathML_ATTR_fontweight, TEXT("normal"), MathML_ATTR_fontweight_VAL_normal_},
319: {MathML_ATTR_fontweight, TEXT("bold"), MathML_ATTR_fontweight_VAL_bold_},
1.46 cvs 320:
1.47 cvs 321: {MathML_ATTR_form, TEXT("prefix"), MathML_ATTR_form_VAL_prefix},
322: {MathML_ATTR_form, TEXT("infix"), MathML_ATTR_form_VAL_infix},
323: {MathML_ATTR_form, TEXT("postfix"), MathML_ATTR_form_VAL_postfix},
1.46 cvs 324:
1.47 cvs 325: {MathML_ATTR_frame, TEXT("none"), MathML_ATTR_frame_VAL_none_},
326: {MathML_ATTR_frame, TEXT("solid"), MathML_ATTR_frame_VAL_solid_},
327: {MathML_ATTR_frame, TEXT("dashed"), MathML_ATTR_frame_VAL_dashed_},
1.46 cvs 328:
1.97 ! cvs 329: {MathML_ATTR_groupalign_malgr, TEXT("left"), MathML_ATTR_groupalign_malgr_VAL_left_},
! 330: {MathML_ATTR_groupalign_malgr, TEXT("center"), MathML_ATTR_groupalign_malgr_VAL_center_},
! 331: {MathML_ATTR_groupalign_malgr, TEXT("right"), MathML_ATTR_groupalign_malgr_VAL_right_},
! 332: {MathML_ATTR_groupalign_malgr, TEXT("decimalpoint"), MathML_ATTR_groupalign_malgr_VAL_decimalpoint},
! 333:
1.47 cvs 334: {MathML_ATTR_largeop, TEXT("true"), MathML_ATTR_largeop_VAL_true},
335: {MathML_ATTR_largeop, TEXT("false"), MathML_ATTR_largeop_VAL_false},
1.80 cvs 336:
1.97 ! cvs 337: {MathML_ATTR_linebreak_, TEXT("auto"), MathML_ATTR_linebreak__VAL_auto_},
! 338: {MathML_ATTR_linebreak_, TEXT("newline"), MathML_ATTR_linebreak__VAL_newline},
! 339: {MathML_ATTR_linebreak_, TEXT("indentingnewline"), MathML_ATTR_linebreak__VAL_indentingnewline},
! 340: {MathML_ATTR_linebreak_, TEXT("nobreak"), MathML_ATTR_linebreak__VAL_nobreak_},
! 341: {MathML_ATTR_linebreak_, TEXT("goodbreak"), MathML_ATTR_linebreak__VAL_goodbreak},
! 342: {MathML_ATTR_linebreak_, TEXT("badbreak"), MathML_ATTR_linebreak__VAL_badbreak},
! 343:
1.93 cvs 344: {MathML_ATTR_mathvariant, TEXT("normal"), MathML_ATTR_mathvariant_VAL_normal_},
345: {MathML_ATTR_mathvariant, TEXT("bold"), MathML_ATTR_mathvariant_VAL_bold_},
346: {MathML_ATTR_mathvariant, TEXT("italic"), MathML_ATTR_mathvariant_VAL_italic},
347: {MathML_ATTR_mathvariant, TEXT("bold-italic"), MathML_ATTR_mathvariant_VAL_bold_italic},
348: {MathML_ATTR_mathvariant, TEXT("double-struck"), MathML_ATTR_mathvariant_VAL_double_struck},
349: {MathML_ATTR_mathvariant, TEXT("bold-fraktur"), MathML_ATTR_mathvariant_VAL_bold_fraktur},
350: {MathML_ATTR_mathvariant, TEXT("script"), MathML_ATTR_mathvariant_VAL_script},
351: {MathML_ATTR_mathvariant, TEXT("bold-script"), MathML_ATTR_mathvariant_VAL_bold_script},
352: {MathML_ATTR_mathvariant, TEXT("fraktur"), MathML_ATTR_mathvariant_VAL_fraktur},
353: {MathML_ATTR_mathvariant, TEXT("sans-serif"), MathML_ATTR_mathvariant_VAL_sans_serif},
354: {MathML_ATTR_mathvariant, TEXT("bold-sans-serif"), MathML_ATTR_mathvariant_VAL_bold_sans_serif},
355: {MathML_ATTR_mathvariant, TEXT("sans-serif-italic"), MathML_ATTR_mathvariant_VAL_sans_serif_italic},
356: {MathML_ATTR_mathvariant, TEXT("sans-serif-bold-italic"), MathML_ATTR_mathvariant_VAL_sans_serif_bold_italic},
357: {MathML_ATTR_mathvariant, TEXT("monospace"), MathML_ATTR_mathvariant_VAL_monospace},
358:
1.47 cvs 359: {MathML_ATTR_movablelimits, TEXT("true"), MathML_ATTR_movablelimits_VAL_true},
360: {MathML_ATTR_movablelimits, TEXT("false"), MathML_ATTR_movablelimits_VAL_false},
1.46 cvs 361:
1.47 cvs 362: {MathML_ATTR_notation, TEXT("longdiv"), MathML_ATTR_notation_VAL_longdiv},
363: {MathML_ATTR_notation, TEXT("actuarial"), MathML_ATTR_notation_VAL_actuarial},
364: {MathML_ATTR_notation, TEXT("radical"), MathML_ATTR_notation_VAL_radical},
1.46 cvs 365:
1.47 cvs 366: {MathML_ATTR_numalign, TEXT("center"), MathML_ATTR_numalign_VAL_center_},
367: {MathML_ATTR_numalign, TEXT("left"), MathML_ATTR_numalign_VAL_left_},
368: {MathML_ATTR_numalign, TEXT("right"), MathML_ATTR_numalign_VAL_right_},
1.71 cvs 369:
370: {MathML_ATTR_overflow, TEXT("scroll"), MathML_ATTR_overflow_VAL_scroll},
371: {MathML_ATTR_overflow, TEXT("elide"), MathML_ATTR_overflow_VAL_elide},
372: {MathML_ATTR_overflow, TEXT("truncate"), MathML_ATTR_overflow_VAL_truncate},
373: {MathML_ATTR_overflow, TEXT("scale"), MathML_ATTR_overflow_VAL_scale_},
1.46 cvs 374:
1.97 ! cvs 375: {MathML_ATTR_rowalign_mtr, TEXT("top"), MathML_ATTR_rowalign_mtr_VAL_top_},
! 376: {MathML_ATTR_rowalign_mtr, TEXT("bottom"), MathML_ATTR_rowalign_mtr_VAL_bottom_},
! 377: {MathML_ATTR_rowalign_mtr, TEXT("center"), MathML_ATTR_rowalign_mtr_VAL_center},
! 378: {MathML_ATTR_rowalign_mtr, TEXT("baseline"), MathML_ATTR_rowalign_mtr_VAL_baseline},
! 379: {MathML_ATTR_rowalign_mtr, TEXT("axis"), MathML_ATTR_rowalign_mtr_VAL_axis},
! 380:
1.47 cvs 381: {MathML_ATTR_separator, TEXT("true"), MathML_ATTR_separator_VAL_true},
382: {MathML_ATTR_separator, TEXT("false"), MathML_ATTR_separator_VAL_false},
1.46 cvs 383:
1.47 cvs 384: {MathML_ATTR_side, TEXT("left"), MathML_ATTR_side_VAL_left_},
385: {MathML_ATTR_side, TEXT("leftoverlap"), MathML_ATTR_side_VAL_leftoverlap},
386: {MathML_ATTR_side, TEXT("right"), MathML_ATTR_side_VAL_right_},
387: {MathML_ATTR_side, TEXT("rightoverlap"), MathML_ATTR_side_VAL_rightoverlap},
1.46 cvs 388:
1.47 cvs 389: {MathML_ATTR_stretchy, TEXT("true"), MathML_ATTR_stretchy_VAL_true},
390: {MathML_ATTR_stretchy, TEXT("false"), MathML_ATTR_stretchy_VAL_false},
1.46 cvs 391:
1.47 cvs 392: {MathML_ATTR_symmetric, TEXT("true"), MathML_ATTR_symmetric_VAL_true},
393: {MathML_ATTR_symmetric, TEXT("false"), MathML_ATTR_symmetric_VAL_false},
1.21 cvs 394:
1.73 cvs 395: {MathML_ATTR_xml_space, TEXT("default"), MathML_ATTR_xml_space_VAL_xml_space_default},
396: {MathML_ATTR_xml_space, TEXT("preserve"), MathML_ATTR_xml_space_VAL_xml_space_preserve},
397:
1.47 cvs 398: {0, TEXT(""), 0} /* Last entry. Mandatory */
1.1 cvs 399: };
400:
401: #define MaxMsgLength 200
402:
1.12 cvs 403: #include "HTMLtable_f.h"
1.29 cvs 404: #include "Mathedit_f.h"
405: #include "XMLparser_f.h"
406: #include "styleparser_f.h"
407: #include "fetchXMLname_f.h"
1.1 cvs 408:
409: /*----------------------------------------------------------------------
410: MapMathMLAttribute
411: Search in the Attribute Mapping Table the entry for the
412: attribute of name Attr and returns the corresponding Thot attribute type.
413: ----------------------------------------------------------------------*/
414: #ifdef __STDC__
1.91 cvs 415: void MapMathMLAttribute (CHAR_T *attrName, AttributeType *attrType,
416: STRING elementName, ThotBool *level, Document doc)
1.1 cvs 417: #else
1.91 cvs 418: void MapMathMLAttribute (attrName, attrType, elementName, level, doc)
419: STRING attrName;
420: AttributeType *attrType;
421: STRING elementName;
422: ThotBool *level;
423: Document doc;
1.1 cvs 424: #endif
425: {
1.68 cvs 426: attrType->AttrSSchema = GetMathMLSSchema (doc);
1.91 cvs 427: MapXMLAttribute (MATH_TYPE, attrName, elementName, level, doc, &(attrType->AttrTypeNum));
1.1 cvs 428: }
429:
430: /*----------------------------------------------------------------------
431: MapMathMLAttributeValue
432: Search in the Attribute Value Mapping Table the entry for the attribute
433: ThotAtt and its value AttrVal. Returns the corresponding Thot value.
434: ----------------------------------------------------------------------*/
435: #ifdef __STDC__
1.82 cvs 436: void MapMathMLAttributeValue (STRING AttrVal,
437: AttributeType attrType,
438: int *value)
1.1 cvs 439: #else
1.79 cvs 440: void MapMathMLAttributeValue (AttrVal, attrType, value)
1.14 cvs 441: STRING AttrVal;
1.1 cvs 442: AttributeType attrType;
443: int *value;
444: #endif
445: {
446: int i;
447:
448: *value = 0;
449: i = 0;
450: while (MathMLAttrValueMappingTable[i].ThotAttr != attrType.AttrTypeNum &&
451: MathMLAttrValueMappingTable[i].ThotAttr != 0)
452: i++;
453: if (MathMLAttrValueMappingTable[i].ThotAttr == attrType.AttrTypeNum)
454: do
1.14 cvs 455: if (!ustrcasecmp (MathMLAttrValueMappingTable[i].XMLattrValue, AttrVal))
1.1 cvs 456: *value = MathMLAttrValueMappingTable[i].ThotAttrValue;
457: else
458: i++;
459: while (*value <= 0 && MathMLAttrValueMappingTable[i].ThotAttr != 0);
460: }
461:
462: /*----------------------------------------------------------------------
463: MapMathMLEntity
464: Search that entity in the entity table and return the corresponding value.
465: ----------------------------------------------------------------------*/
466: #ifdef __STDC__
1.82 cvs 467: void MapMathMLEntity (STRING entityName,
468: STRING entityValue,
469: STRING alphabet)
1.1 cvs 470: #else
1.67 cvs 471: void MapMathMLEntity (entityName, entityValue, alphabet)
1.66 cvs 472: STRING entityName;
473: STRING entityValue;
474: STRING alphabet;
1.1 cvs 475: #endif
476: {
477: int i;
1.67 cvs 478: ThotBool found;
1.1 cvs 479:
1.67 cvs 480: found = FALSE;
481: for (i = 0; MathEntityTable[i].charCode >= 0 && !found; i++)
1.79 cvs 482: found = !ustrcmp (MathEntityTable[i].charName, entityName);
1.67 cvs 483:
484: if (found)
485: /* entity found */
486: {
487: i--;
1.15 cvs 488: entityValue[0] = (UCHAR_T) MathEntityTable[i].charCode;
1.1 cvs 489: entityValue[1] = EOS;
1.79 cvs 490: *alphabet = MathEntityTable[i].charAlphabet;
1.67 cvs 491: }
492: else
493: {
1.1 cvs 494: entityValue[0] = EOS;
495: *alphabet = EOS;
1.67 cvs 496: }
1.1 cvs 497: }
498:
499: /*----------------------------------------------------------------------
500: MathMLEntityCreated
501: A MathML entity has been created by the XML parser.
1.36 cvs 502: Create an attribute EntityName containing the entity name.
1.1 cvs 503: ----------------------------------------------------------------------*/
504: #ifdef __STDC__
1.82 cvs 505: void MathMLEntityCreated (USTRING entityValue, Language lang,
506: STRING entityName, Document doc)
1.1 cvs 507: #else
1.82 cvs 508: void MathMLEntityCreated (entityValue, lang, entityName, doc)
1.66 cvs 509: USTRING entityValue;
510: Language lang;
511: STRING entityName;
512: Document doc;
1.1 cvs 513: #endif
514: {
515: ElementType elType;
516: Element elText;
517: AttributeType attrType;
518: Attribute attr;
1.45 cvs 519: int len, code;
1.1 cvs 520: #define MAX_ENTITY_LENGTH 80
1.34 cvs 521: CHAR_T buffer[MAX_ENTITY_LENGTH];
1.1 cvs 522:
1.34 cvs 523: if (lang < 0)
524: /* unknown entity */
525: {
1.45 cvs 526: /* by default display a question mark */
1.34 cvs 527: entityValue[0] = '?';
528: entityValue[1] = EOS;
529: lang = TtaGetLanguageIdFromAlphabet('L');
1.45 cvs 530: /* let's see if we can do more */
531: if (entityName[0] == '#')
532: /* it's a number */
533: {
534: if (entityName[1] == 'x')
535: /* it's a hexadecimal number */
536: usscanf (&entityName[2], TEXT("%x"), &code);
537: else
538: /* it's a decimal number */
539: usscanf (&entityName[1], TEXT("%d"), &code);
540: GetFallbackCharacter (code, entityValue, &lang);
541: }
1.34 cvs 542: }
543: XMLTextToDocument ();
1.49 cvs 544: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
1.34 cvs 545: elType.ElSSchema = GetMathMLSSchema (doc);
546: elText = TtaNewElement (doc, elType);
547: SetElemLineNumber (elText);
548: XMLInsertElement (elText);
549: TtaSetTextContent (elText, entityValue, lang, doc);
1.36 cvs 550: TtaSetAccessRight (elText, ReadOnly, doc);
1.34 cvs 551: attrType.AttrSSchema = GetMathMLSSchema (doc);
552: attrType.AttrTypeNum = MathML_ATTR_EntityName;
553: attr = TtaNewAttribute (attrType);
554: TtaAttachAttribute (elText, attr, doc);
555: len = ustrlen (entityName);
556: if (len > MAX_ENTITY_LENGTH -3)
557: len = MAX_ENTITY_LENGTH -3;
558: buffer[0] = '&';
559: ustrncpy (&buffer[1], entityName, len);
560: buffer[len+1] = ';';
561: buffer[len+2] = EOS;
562: TtaSetAttributeText (attr, buffer, elText, doc);
1.1 cvs 563: }
564:
1.82 cvs 565: /*---------------------------------------------------------------------------
566: MapMathMLEntityWithExpat
567: Search that entity in the entity table and return the corresponding value.
568: ---------------------------------------------------------------------------*/
569: #ifdef __STDC__
570: void MapMathMLEntityWithExpat (STRING entityName,
571: int* entityValue,
572: STRING alphabet)
573: #else
574: void MapMathMLEntityWithExpat (entityName, entityValue, alphabet)
575: STRING entityName;
576: int *entityValue;
577: STRING alphabet;
578: #endif
579: {
580: int i;
581: ThotBool found;
582:
583: found = FALSE;
584: for (i = 0; MathEntityTable[i].charCode >= 0 && !found; i++)
585: found = !ustrcmp (MathEntityTable[i].charName, entityName);
586:
587: if (found)
588: /* entity found */
589: {
590: i--;
591: *entityValue = MathEntityTable[i].charCode;
592: *alphabet = MathEntityTable[i].charAlphabet;
593: }
594: else
595: *alphabet = EOS;
596: }
597:
1.1 cvs 598: /*----------------------------------------------------------------------
1.82 cvs 599: MathMLEntityCreatedWithExpat
1.79 cvs 600: A MathML entity has been created by the XML parser.
601: Create an attribute EntityName containing the entity name.
602: ----------------------------------------------------------------------*/
603: #ifdef __STDC__
1.82 cvs 604: void MathMLEntityCreatedWithExpat (int entityValue, Language lang,
605: STRING entityName, ParserData *XmlContext)
1.79 cvs 606: #else
1.82 cvs 607: void MathMLEntityCreatedWithExpat (entityValue, lang, entityName, XmlContext)
1.79 cvs 608: int entityValue;
609: Language lang;
610: STRING entityName;
611: ParserData *XmlContext;
612:
613: #endif
614: {
615: ElementType elType;
616: Element elText;
617: AttributeType attrType;
618: Attribute attr;
619: int len, code;
620: #define MAX_ENTITY_LENGTH 80
621: CHAR_T buffer[MAX_ENTITY_LENGTH];
622:
623: if (lang < 0)
624: /* Unknown entity */
625: {
626: /* By default display a question mark */
627: buffer[0] = '?';
628: buffer[1] = WC_EOS;
629: lang = TtaGetLanguageIdFromAlphabet('L');
630: /* Let's see if we can do more */
631: if (entityName[0] == '#')
632: /* It's a number */
633: {
634: if (entityName[1] == 'x')
635: /* It's a hexadecimal number */
636: usscanf (&entityName[2], TEXT("%x"), &code);
637: else
638: /* It's a decimal number */
639: usscanf (&entityName[1], TEXT("%d"), &code);
640:
641: GetFallbackCharacter (code, buffer, &lang);
642: }
643: }
644: else
645: {
646: buffer[0] = ((UCHAR_T) entityValue);
647: buffer[1] = WC_EOS;
648: }
649:
650: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
651: elType.ElSSchema = GetMathMLSSchema (XmlContext->doc);
652: elText = TtaNewElement (XmlContext->doc, elType);
653: XmlSetElemLineNumber (elText);
654: InsertXmlElement (&elText);
655: TtaSetTextContent (elText, buffer, lang, XmlContext->doc);
656: XmlContext->lastElementClosed = TRUE;
657: XmlContext->mergeText = FALSE;
658:
659: /* Make that text leaf read-only */
660: TtaSetAccessRight (elText, ReadOnly, XmlContext->doc);
661:
662: /* Associate an attribute EntityName with the new text leaf */
663: attrType.AttrSSchema = GetMathMLSSchema (XmlContext->doc);
664: attrType.AttrTypeNum = MathML_ATTR_EntityName;
665: attr = TtaNewAttribute (attrType);
666: TtaAttachAttribute (elText, attr, XmlContext->doc);
667:
668: len = ustrlen (entityName);
669: if (len > MAX_ENTITY_LENGTH -3)
670: len = MAX_ENTITY_LENGTH -3;
671: buffer[0] = '&';
672: ustrncpy (&buffer[1], entityName, len);
673: buffer[len+1] = ';';
674: buffer[len+2] = WC_EOS;
675: TtaSetAttributeText (attr, buffer, elText, XmlContext->doc);
676: }
677:
678: /*----------------------------------------------------------------------
1.1 cvs 679: ElementNeedsPlaceholder
680: returns TRUE if element el needs a sibling placeholder.
681: ----------------------------------------------------------------------*/
682: #ifdef __STDC__
1.18 cvs 683: ThotBool ElementNeedsPlaceholder (Element el)
1.1 cvs 684: #else
1.18 cvs 685: ThotBool ElementNeedsPlaceholder (el)
1.1 cvs 686: Element el;
687:
688: #endif
689: {
690: ElementType elType;
691: Element child, parent;
1.18 cvs 692: ThotBool ret;
1.1 cvs 693:
694: ret = FALSE;
695: elType = TtaGetElementType (el);
1.43 cvs 696: if (elType.ElTypeNum == MathML_EL_MS ||
697: elType.ElTypeNum == MathML_EL_MSPACE ||
1.39 cvs 698: elType.ElTypeNum == MathML_EL_MROW ||
699: elType.ElTypeNum == MathML_EL_MFRAC ||
1.54 cvs 700: elType.ElTypeNum == MathML_EL_BevelledMFRAC ||
1.39 cvs 701: elType.ElTypeNum == MathML_EL_MSQRT ||
702: elType.ElTypeNum == MathML_EL_MROOT ||
703: elType.ElTypeNum == MathML_EL_MSTYLE ||
704: elType.ElTypeNum == MathML_EL_MERROR ||
705: elType.ElTypeNum == MathML_EL_MPADDED ||
706: elType.ElTypeNum == MathML_EL_MPHANTOM ||
707: elType.ElTypeNum == MathML_EL_MFENCED ||
1.1 cvs 708: elType.ElTypeNum == MathML_EL_MF ||
709: elType.ElTypeNum == MathML_EL_MSUB ||
710: elType.ElTypeNum == MathML_EL_MSUP ||
1.39 cvs 711: elType.ElTypeNum == MathML_EL_MSUBSUP ||
1.1 cvs 712: elType.ElTypeNum == MathML_EL_MUNDER ||
713: elType.ElTypeNum == MathML_EL_MOVER ||
714: elType.ElTypeNum == MathML_EL_MUNDEROVER ||
1.28 cvs 715: elType.ElTypeNum == MathML_EL_MMULTISCRIPTS ||
1.39 cvs 716: elType.ElTypeNum == MathML_EL_MTABLE ||
717: elType.ElTypeNum == MathML_EL_MACTION)
1.1 cvs 718: ret = TRUE;
719: else
720: if (elType.ElTypeNum == MathML_EL_MO)
721: /* an operator that contains a single Symbol needs a placeholder,
722: except when it is in a Base or UnderOverBase */
723: {
724: child = TtaGetFirstChild (el);
725: if (child != NULL)
726: {
727: elType = TtaGetElementType (child);
728: if (elType.ElTypeNum == MathML_EL_SYMBOL_UNIT)
729: {
730: ret = TRUE;
731: parent = TtaGetParent (el);
732: if (parent != NULL)
733: {
734: elType = TtaGetElementType (parent);
735: if (elType.ElTypeNum == MathML_EL_Base ||
736: elType.ElTypeNum == MathML_EL_UnderOverBase)
737: ret = FALSE;
738: }
739: }
740: }
741: }
742: return ret;
743: }
744:
745: /*----------------------------------------------------------------------
746: CreatePlaceholders
747: ----------------------------------------------------------------------*/
748: #ifdef __STDC__
749: static void CreatePlaceholders (Element el, Document doc)
750: #else
751: static void CreatePlaceholders (el, doc)
752: Element el;
753: Document doc;
754: #endif
755: {
756: Element sibling, prev, constr, child;
757: Attribute attr;
758: ElementType elType;
759: AttributeType attrType;
1.18 cvs 760: ThotBool create;
1.1 cvs 761:
1.55 cvs 762: if (!el)
763: return;
1.2 cvs 764: elType.ElSSchema = GetMathMLSSchema (doc);
1.1 cvs 765: prev = NULL;
766: create = TRUE;
767: sibling = el;
768: while (sibling != NULL)
769: {
770: if (!ElementNeedsPlaceholder (sibling))
771: create = FALSE;
772: else
773: {
774: if (sibling == el)
775: /* first element */
776: {
777: elType = TtaGetElementType (sibling);
778: if (elType.ElTypeNum == MathML_EL_MF)
779: /* the first element is a MF. Don't create a placeholder
780: before */
781: create = FALSE;
782: else if (elType.ElTypeNum == MathML_EL_MROW)
783: /* the first element is a MROW */
784: {
785: child = TtaGetFirstChild (sibling);
786: if (child != NULL)
787: {
788: elType = TtaGetElementType (child);
789: if (elType.ElTypeNum != MathML_EL_MF)
790: /* the first child of the MROW element is not a MF */
791: /* Don't create a placeholder before */
792: create = FALSE;
793: }
794: }
795: }
796: if (create)
797: {
798: elType.ElTypeNum = MathML_EL_Construct;
799: constr = TtaNewElement (doc, elType);
800: TtaInsertSibling (constr, sibling, TRUE, doc);
801: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 802: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 803: attr = TtaNewAttribute (attrType);
804: TtaAttachAttribute (constr, attr, doc);
1.55 cvs 805: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_,
806: constr, doc);
1.1 cvs 807: }
808: create = TRUE;
809: }
810: prev = sibling;
811: TtaNextSibling (&sibling);
812: }
813: if (prev != NULL && create)
814: {
815: elType = TtaGetElementType (prev);
1.95 cvs 816: /* don't insert a placeholder after the last element if it's a MF */
817: if (elType.ElTypeNum == MathML_EL_MF)
1.1 cvs 818: create = FALSE;
819: else if (elType.ElTypeNum == MathML_EL_MROW)
820: /* the last element is a MROW */
821: {
822: child = TtaGetLastChild (prev);
823: if (child != NULL)
824: {
825: elType = TtaGetElementType (child);
826: if (elType.ElTypeNum != MathML_EL_MF)
827: /* the last child of the MROW element is not a MF */
828: /* Don't create a placeholder before */
829: create = FALSE;
830: }
831: }
832: if (create)
833: {
834: elType.ElTypeNum = MathML_EL_Construct;
835: constr = TtaNewElement (doc, elType);
836: TtaInsertSibling (constr, prev, FALSE, doc);
837: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 838: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 839: attr = TtaNewAttribute (attrType);
840: TtaAttachAttribute (constr, attr, doc);
1.55 cvs 841: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_,
842: constr, doc);
1.1 cvs 843: }
844: }
845: }
846:
847: /*----------------------------------------------------------------------
1.95 cvs 848: NextNotComment
849: Return the next sibling of element el that is not an XMLcomment element.
850: Return el itself if it's not a comment.
1.1 cvs 851: ----------------------------------------------------------------------*/
852: #ifdef __STDC__
1.95 cvs 853: static void NextNotComment (Element* el, Element* prev)
1.1 cvs 854: #else
1.95 cvs 855: static void NextNotComment (el, prev)
1.1 cvs 856: Element *el;
857: #endif
858: {
859: ElementType elType;
860:
861: if (*el == NULL)
862: return;
863: elType = TtaGetElementType (*el);
1.95 cvs 864: while (*el != NULL && elType.ElTypeNum == MathML_EL_XMLcomment)
1.1 cvs 865: {
866: *prev = *el;
867: TtaNextSibling (el);
868: if (*el != NULL)
869: elType = TtaGetElementType (*el);
870: }
871: }
872:
873: /*----------------------------------------------------------------------
874: CheckMathSubExpressions
875: Children of element el should be of type type1, type2, and type3.
1.56 cvs 876: If they are not, wrap them in elements of these types.
877: If element el have too many or not enough children, return FALSE.
1.1 cvs 878: ----------------------------------------------------------------------*/
879: #ifdef __STDC__
1.56 cvs 880: static ThotBool CheckMathSubExpressions (Element el, int type1, int type2, int type3, Document doc)
1.1 cvs 881: #else
1.56 cvs 882: static ThotBool CheckMathSubExpressions (el, type1, type2, type3, doc)
1.1 cvs 883: Element el;
884: int type1;
885: int type2;
886: int type3;
887: Document doc;
888: #endif
889: {
890: Element child, new, prev;
891: ElementType elType, childType;
1.56 cvs 892: ThotBool result;
1.1 cvs 893:
1.56 cvs 894: result = TRUE;
1.2 cvs 895: elType.ElSSchema = GetMathMLSSchema (doc);
1.1 cvs 896: child = TtaGetFirstChild (el);
897: prev = NULL;
1.95 cvs 898: NextNotComment (&child, &prev);
1.56 cvs 899: if (type1 == 0)
1.1 cvs 900: {
1.56 cvs 901: if (child)
902: /* no child expected and there is one, error */
903: result = FALSE;
904: }
905: else
906: if (!child)
907: /* a first child is expected and it's missing */
908: result = FALSE;
909: else
910: {
1.1 cvs 911: elType.ElTypeNum = type1;
912: childType = TtaGetElementType (child);
913: if (TtaSameTypes (childType, elType) == 0)
914: {
915: TtaRemoveTree (child, doc);
916: new = TtaNewElement (doc, elType);
917: if (prev == NULL)
918: TtaInsertFirstChild (&new, el, doc);
919: else
920: TtaInsertSibling (new, prev, FALSE, doc);
921: TtaInsertFirstChild (&child, new, doc);
922: CreatePlaceholders (child, doc);
923: child = new;
924: }
1.56 cvs 925: prev = child;
926: TtaNextSibling (&child);
1.95 cvs 927: NextNotComment (&child, &prev);
1.56 cvs 928: if (type2 == 0)
929: {
930: if (child)
931: /* this second child is not expected, error */
932: result = FALSE;
933: }
934: else
1.1 cvs 935: {
1.56 cvs 936: if (!child)
937: /* a second child is expected and it's missing */
938: result = FALSE;
939: else
1.1 cvs 940: {
941: elType.ElTypeNum = type2;
942: childType = TtaGetElementType (child);
943: if (TtaSameTypes (childType, elType) == 0)
944: {
945: TtaRemoveTree (child, doc);
946: new = TtaNewElement (doc, elType);
947: TtaInsertSibling (new, prev, FALSE, doc);
948: TtaInsertFirstChild (&child, new, doc);
949: CreatePlaceholders (child, doc);
950: child = new;
951: }
1.56 cvs 952: prev = child;
953: TtaNextSibling (&child);
1.95 cvs 954: NextNotComment (&child, &prev);
1.56 cvs 955: if (type3 == 0)
1.1 cvs 956: {
1.56 cvs 957: if (child)
958: /* this third child is not expected, error */
959: result = FALSE;
960: }
961: else
962: {
963: if (!child)
964: /* a third child is expected and it's missing */
965: result = FALSE;
966: else
1.1 cvs 967: {
968: elType.ElTypeNum = type3;
969: childType = TtaGetElementType (child);
970: if (TtaSameTypes (childType, elType) == 0)
971: {
972: TtaRemoveTree (child, doc);
973: new = TtaNewElement (doc, elType);
974: TtaInsertSibling (new, prev, FALSE, doc);
975: TtaInsertFirstChild (&child, new, doc);
976: CreatePlaceholders (child, doc);
1.56 cvs 977: child = new;
1.1 cvs 978: }
979: }
1.56 cvs 980: prev = child;
981: TtaNextSibling (&child);
1.95 cvs 982: NextNotComment (&child, &prev);
1.56 cvs 983: if (child)
984: /* this fourth child is unexpected */
985: result = FALSE;
1.1 cvs 986: }
987: }
988: }
1.56 cvs 989: }
990: return result;
1.1 cvs 991: }
992:
993:
994: /*----------------------------------------------------------------------
1.22 cvs 995: SetSingleIntHorizStretchAttr
1.1 cvs 996:
1.22 cvs 997: Put a IntHorizStretch attribute on element el if it contains only
1.1 cvs 998: a MO element that is a stretchable symbol.
999: -----------------------------------------------------------------------*/
1000: #ifdef __STDC__
1.22 cvs 1001: void SetSingleIntHorizStretchAttr (Element el, Document doc, Element* selEl)
1.1 cvs 1002: #else /* __STDC__*/
1.22 cvs 1003: void SetSingleIntHorizStretchAttr (el, doc, selEl)
1.1 cvs 1004: Element el;
1005: Document doc;
1006: Element* selEl;
1007: #endif /* __STDC__*/
1008: {
1009: Element child, sibling, textEl, symbolEl;
1010: ElementType elType;
1011: Attribute attr;
1012: AttributeType attrType;
1.55 cvs 1013: int len;
1014: Language lang;
1015: CHAR_T alphabet;
1.49 cvs 1016: UCHAR_T text[2];
1017: unsigned char c;
1.1 cvs 1018:
1019: if (el == NULL)
1020: return;
1021: child = TtaGetFirstChild (el);
1.55 cvs 1022: if (child)
1.1 cvs 1023: {
1024: elType = TtaGetElementType (child);
1025: if (elType.ElTypeNum == MathML_EL_MO)
1026: /* the first child is a MO */
1027: {
1028: sibling = child;
1029: TtaNextSibling (&sibling);
1030: if (sibling == NULL)
1031: /* there is no other child */
1032: {
1033: textEl = TtaGetFirstChild (child);
1034: elType = TtaGetElementType (textEl);
1035: if (elType.ElTypeNum == MathML_EL_TEXT_UNIT)
1.55 cvs 1036: /* the MO child contains a TEXT element */
1.1 cvs 1037: {
1038: len = TtaGetTextLength (textEl);
1039: if (len == 1)
1.55 cvs 1040: /* the TEXT element contains a single character */
1.1 cvs 1041: {
1.55 cvs 1042: /* get that character */
1.1 cvs 1043: len = 2;
1044: TtaGiveTextContent (textEl, text, &len, &lang);
1045: alphabet = TtaGetAlphabet (lang);
1.55 cvs 1046: if (alphabet == 'G')
1047: /* a single Symbol character */
1048: if ((int)text[0] == 172 || (int)text[0] == 174 ||
1.89 cvs 1049: (int)text[0] == 45 ||
1050: (int)text[0] == 132 || (int)text[0] == 133)
1051: /* horizontal arrow, horizontal bar, horizontal brace */
1.55 cvs 1052: {
1053: c = EOS;
1054: /* attach a IntHorizStretch attribute */
1055: attrType.AttrSSchema = elType.ElSSchema;
1056: attrType.AttrTypeNum = MathML_ATTR_IntHorizStretch;
1057: attr = TtaNewAttribute (attrType);
1058: TtaAttachAttribute (el, attr, doc);
1059: TtaSetAttributeValue (attr, MathML_ATTR_IntHorizStretch_VAL_yes_, el, doc);
1060: /* replace the TEXT element by a Thot SYMBOL element */
1061: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
1062: symbolEl = TtaNewElement (doc, elType);
1063: TtaInsertSibling (symbolEl, textEl, FALSE, doc);
1064: if (selEl != NULL)
1065: if (*selEl == textEl)
1066: *selEl = symbolEl;
1067: TtaDeleteTree (textEl, doc);
1068: if ((int)text[0] == 172)
1.89 cvs 1069: c = 'L'; /* arrow left */
1070: else if ((int)text[0] == 174)
1071: c = 'R'; /* arrow right */
1072: else if ((int)text[0] == 45) /* - (minus) */
1.55 cvs 1073: /* a horizontal line in the middle of the box */
1074: c = 'h';
1.89 cvs 1075: else if ((int)text[0] == 132)
1076: c = 'o'; /* Over brace */
1077: else if ((int)text[0] == 133)
1078: c = 'u'; /* Under brace */
1.55 cvs 1079: if (c != EOS)
1080: TtaSetGraphicsShape (symbolEl, c, doc);
1081: }
1.1 cvs 1082: }
1083: }
1084: }
1085: }
1086: }
1087: }
1088:
1089: /*----------------------------------------------------------------------
1.22 cvs 1090: SetIntHorizStretchAttr
1.1 cvs 1091:
1.22 cvs 1092: Put a IntHorizStretch attribute on all children of element el which
1.1 cvs 1093: contain only a MO element that is a stretchable symbol.
1094: -----------------------------------------------------------------------*/
1095: #ifdef __STDC__
1.22 cvs 1096: static void SetIntHorizStretchAttr (Element el, Document doc)
1.1 cvs 1097: #else /* __STDC__*/
1.22 cvs 1098: static void SetIntHorizStretchAttr (el, doc)
1.1 cvs 1099: Element el;
1100: Document doc;
1101: #endif /* __STDC__*/
1102: {
1103: Element child;
1104:
1105: if (el == NULL)
1106: return;
1107: child = TtaGetFirstChild (el);
1108: while (child != NULL)
1109: {
1.22 cvs 1110: SetSingleIntHorizStretchAttr (child, doc, NULL);
1.1 cvs 1111: TtaNextSibling (&child);
1112: }
1113: }
1114:
1115: /*----------------------------------------------------------------------
1.22 cvs 1116: SetIntVertStretchAttr
1.1 cvs 1117:
1.22 cvs 1118: Put a IntVertStretch attribute on element el if its base element
1.1 cvs 1119: (Base for a MSUBSUP, MSUP or MSUB; UnderOverBase for a MUNDEROVER,
1120: a MUNDER of a MOVER) contains only a MO element that is a vertically
1121: stretchable symbol.
1122: -----------------------------------------------------------------------*/
1123: #ifdef __STDC__
1.22 cvs 1124: void SetIntVertStretchAttr (Element el, Document doc, int base, Element* selEl)
1.1 cvs 1125: #else /* __STDC__*/
1.22 cvs 1126: void SetIntVertStretchAttr (el, doc, base, selEl)
1.1 cvs 1127: Element el;
1128: Document doc;
1129: int base;
1130: Element* selEl;
1131: #endif /* __STDC__*/
1132: {
1133: Element child, sibling, textEl, symbolEl, parent, operator;
1134: ElementType elType;
1135: Attribute attr;
1136: AttributeType attrType;
1.47 cvs 1137: int len;
1138: Language lang;
1.15 cvs 1139: CHAR_T alphabet;
1.49 cvs 1140: UCHAR_T text[2];
1141: unsigned char c;
1.1 cvs 1142:
1143: if (el == NULL)
1144: return;
1145: operator = NULL;
1146: if (base == 0)
1147: /* it's a MO */
1148: {
1149: parent = TtaGetParent (el);
1150: if (parent != NULL)
1151: {
1152: elType = TtaGetElementType (parent);
1153: if (elType.ElTypeNum != MathML_EL_Base &&
1154: elType.ElTypeNum != MathML_EL_UnderOverBase &&
1155: elType.ElTypeNum != MathML_EL_MSUBSUP &&
1156: elType.ElTypeNum != MathML_EL_MSUB &&
1157: elType.ElTypeNum != MathML_EL_MSUP &&
1158: elType.ElTypeNum != MathML_EL_MUNDEROVER &&
1159: elType.ElTypeNum != MathML_EL_MUNDER &&
1160: elType.ElTypeNum != MathML_EL_MUNDEROVER)
1161: operator = el;
1162: }
1163: }
1164: else
1165: /* it's not a MO */
1166: {
1167: /* search the Base or UnderOverBase child */
1168: child = TtaGetFirstChild (el);
1169: if (child != NULL)
1170: {
1171: elType = TtaGetElementType (child);
1172: if (elType.ElTypeNum == base)
1173: /* the first child is a Base or UnderOverBase */
1174: {
1175: child = TtaGetFirstChild (child);
1176: if (child != NULL)
1177: {
1178: elType = TtaGetElementType (child);
1179: if (elType.ElTypeNum == MathML_EL_MO)
1180: /* its first child is a MO */
1181: {
1182: sibling = child;
1183: TtaNextSibling (&sibling);
1184: if (sibling == NULL)
1185: /* there is no other child */
1186: operator = child;
1187: }
1188: }
1189: }
1190: }
1191: }
1192: if (operator != NULL)
1193: {
1.84 cvs 1194: textEl = TtaGetFirstChild (operator);
1195: if (textEl != NULL)
1196: {
1197: elType = TtaGetElementType (textEl);
1198: if (elType.ElTypeNum == MathML_EL_TEXT_UNIT)
1199: {
1200: len = TtaGetTextLength (textEl);
1201: if (len == 1)
1.1 cvs 1202: {
1.84 cvs 1203: len = 2;
1204: TtaGiveTextContent (textEl, text, &len, &lang);
1205: alphabet = TtaGetAlphabet (lang);
1206: if (alphabet == 'G')
1207: /* a single Symbol character */
1208: if ((int)text[0] == 242)
1209: /* Integral */
1.55 cvs 1210: {
1.84 cvs 1211: /* attach a IntVertStretch attribute */
1212: attrType.AttrSSchema = elType.ElSSchema;
1213: attrType.AttrTypeNum = MathML_ATTR_IntVertStretch;
1214: attr = TtaNewAttribute (attrType);
1215: TtaAttachAttribute (el, attr, doc);
1216: TtaSetAttributeValue (attr,
1217: MathML_ATTR_IntVertStretch_VAL_yes_,
1218: el, doc);
1219: /* replace the TEXT element by a Thot SYMBOL element*/
1220: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
1221: symbolEl = TtaNewElement (doc, elType);
1222: TtaInsertSibling (symbolEl, textEl, FALSE, doc);
1223: if (selEl != NULL)
1224: if (*selEl == textEl)
1225: *selEl = symbolEl;
1226: TtaDeleteTree (textEl, doc);
1227: c = 'i';
1228: TtaSetGraphicsShape (symbolEl, c, doc);
1.55 cvs 1229: }
1.1 cvs 1230: }
1.84 cvs 1231: }
1232: }
1.1 cvs 1233: }
1234: }
1235:
1236: /*----------------------------------------------------------------------
1.22 cvs 1237: SetIntPlaceholderAttr
1.1 cvs 1238:
1.22 cvs 1239: Put a IntPlaceholder attribute on all Construct elements in the
1.1 cvs 1240: subtree of root el.
1241: -----------------------------------------------------------------------*/
1242: #ifdef __STDC__
1.22 cvs 1243: static void SetIntPlaceholderAttr (Element el, Document doc)
1.1 cvs 1244: #else /* __STDC__*/
1.22 cvs 1245: static void SetIntPlaceholderAttr (el, doc)
1.1 cvs 1246: Element el;
1247: Document doc;
1248: #endif /* __STDC__*/
1249: {
1250: Element child;
1251: ElementType elType;
1252: Attribute attr;
1253: AttributeType attrType;
1254:
1255: if (el == NULL)
1256: return;
1257: elType = TtaGetElementType (el);
1258: if (elType.ElTypeNum == MathML_EL_Construct &&
1.2 cvs 1259: elType.ElSSchema == GetMathMLSSchema (doc))
1.1 cvs 1260: {
1261: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 1262: attrType.AttrTypeNum = MathML_ATTR_IntPlaceholder;
1.1 cvs 1263: attr = TtaNewAttribute (attrType);
1264: TtaAttachAttribute (el, attr, doc);
1.22 cvs 1265: TtaSetAttributeValue (attr, MathML_ATTR_IntPlaceholder_VAL_yes_, el, doc);
1.1 cvs 1266: }
1267: else
1268: {
1269: child = TtaGetFirstChild (el);
1270: while (child != NULL)
1271: {
1.22 cvs 1272: SetIntPlaceholderAttr (child, doc);
1.1 cvs 1273: TtaNextSibling (&child);
1274: }
1275: }
1276: }
1277:
1278: /*----------------------------------------------------------------------
1279: BuildMultiscript
1280:
1281: The content of a MMULTISCRIPT element has been created following
1282: the original MathML structure. Create all Thot elements defined
1283: in the MathML S schema.
1284: -----------------------------------------------------------------------*/
1285: #ifdef __STDC__
1286: static void BuildMultiscript (Element elMMULTISCRIPT, Document doc)
1287: #else /* __STDC__*/
1288: static void BuildMultiscript (elMMULTISCRIPT, doc)
1289: Element elMMULTISCRIPT;
1290: Document doc;
1291: #endif /* __STDC__*/
1292: {
1293: Element elem, base, next, group, pair, script, prevPair, prevScript;
1294: ElementType elType, elTypeGroup, elTypePair, elTypeScript;
1.2 cvs 1295: SSchema MathMLSSchema;
1.1 cvs 1296: base = NULL;
1297: group = NULL;
1298: prevPair = NULL;
1299: prevScript = NULL;
1300:
1.2 cvs 1301: MathMLSSchema = GetMathMLSSchema (doc);
1.1 cvs 1302: elTypeGroup.ElSSchema = MathMLSSchema;
1303: elTypePair.ElSSchema = MathMLSSchema;
1304: elTypeScript.ElSSchema = MathMLSSchema;
1305:
1306: /* process all children of the MMULTISCRIPT element */
1307: elem = TtaGetFirstChild (elMMULTISCRIPT);
1308: while (elem != NULL)
1309: {
1310: /* remember the element to be processed after the current one */
1311: next = elem;
1312: TtaNextSibling (&next);
1313:
1314: /* remove the current element from the tree */
1315: TtaRemoveTree (elem, doc);
1316:
1317: if (base == NULL)
1318: /* the current element is the first child of the MMULTISCRIPT
1319: element */
1320: {
1321: /* Create a MultiscriptBase element as the first child of
1322: MMULTISCRIPT and move the current element as the first child
1323: of the MultiscriptBase element */
1324: elTypeGroup.ElTypeNum = MathML_EL_MultiscriptBase;
1325: base = TtaNewElement (doc, elTypeGroup);
1326: TtaInsertFirstChild (&base, elMMULTISCRIPT, doc);
1327: TtaInsertFirstChild (&elem, base, doc);
1328: }
1329: else
1330: /* the current element is a subscript or a superscript */
1331: {
1332: if (group == NULL)
1333: /* there is no PostscriptPairs element. Create one */
1334: {
1335: elTypeGroup.ElTypeNum = MathML_EL_PostscriptPairs;
1336: group = TtaNewElement (doc, elTypeGroup);
1337: TtaInsertSibling (group, base, FALSE, doc);
1338: elTypePair.ElTypeNum = MathML_EL_PostscriptPair;
1339: /* create a first and a last PostscriptPair as placeholders */
1.47 cvs 1340: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1341: TtaInsertFirstChild (&pair, group, doc);
1.22 cvs 1342: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1343: prevPair = pair;
1.47 cvs 1344: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1345: TtaInsertSibling (pair, prevPair, FALSE, doc);
1.22 cvs 1346: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1347: prevScript = NULL;
1348: }
1349: if (prevScript == NULL)
1350: /* the current element is the first subscript or superscript
1351: in a pair */
1352: {
1353: /* create a PostscriptPair or PrescriptPair element */
1354: pair = TtaNewElement (doc, elTypePair);
1355: if (prevPair == NULL)
1356: TtaInsertFirstChild (&pair, group, doc);
1357: else
1358: TtaInsertSibling (pair, prevPair, FALSE, doc);
1359: prevPair = pair;
1360: /* create a MSubscript element */
1361: elTypeScript.ElTypeNum = MathML_EL_MSubscript;
1362: script = TtaNewElement (doc, elTypeScript);
1363: TtaInsertFirstChild (&script, pair, doc);
1364: prevScript = script;
1365: }
1366: else
1367: /* the current element is a superscript in a pair */
1368: {
1369: /* create a MSuperscript element */
1370: elTypeScript.ElTypeNum = MathML_EL_MSuperscript;
1371: script = TtaNewElement (doc, elTypeScript);
1372: /* insert it as a sibling of the previous MSubscript element */
1373: TtaInsertSibling (script, prevScript, FALSE, doc);
1374: prevScript = NULL;
1375: }
1376: /* insert the current element as a child of the new MSuperscript or
1377: MSubscript element */
1378: TtaInsertFirstChild (&elem, script, doc);
1.22 cvs 1379: SetIntPlaceholderAttr (elem, doc);
1.1 cvs 1380: }
1381:
1382: CreatePlaceholders (elem, doc);
1383:
1384: /* get next child of the MMULTISCRIPT element */
1385: elem = next;
1386: if (elem != NULL)
1387: {
1388: elType = TtaGetElementType (elem);
1389: if (elType.ElSSchema == MathMLSSchema &&
1390: elType.ElTypeNum == MathML_EL_PrescriptPairs)
1391: /* the next element is a PrescriptPairs */
1392: {
1393: /* if there there is no PostscriptPairs element, create one as a
1394: placeholder */
1395: if (elTypeGroup.ElTypeNum != MathML_EL_PostscriptPairs)
1396: {
1397: elTypeGroup.ElTypeNum = MathML_EL_PostscriptPairs;
1.47 cvs 1398: group = TtaNewTree (doc, elTypeGroup, "");
1.1 cvs 1399: TtaInsertSibling (group, elem, TRUE, doc);
1.22 cvs 1400: SetIntPlaceholderAttr (group, doc);
1.1 cvs 1401: }
1402: /* the following elements will be interpreted as sub- superscripts
1403: in PrescriptPair elements, wich will be children of this
1404: PrescriptPairs element */
1405: elTypeGroup.ElTypeNum = MathML_EL_PrescriptPairs;
1406: elTypePair.ElTypeNum = MathML_EL_PrescriptPair;
1407: group = elem;
1408: /* create a first and a last PostscriptPair as placeholders */
1.47 cvs 1409: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1410: TtaInsertFirstChild (&pair, group, doc);
1.22 cvs 1411: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1412: prevPair = pair;
1.47 cvs 1413: pair = TtaNewTree (doc, elTypePair, "");
1.1 cvs 1414: TtaInsertSibling (pair, prevPair, FALSE, doc);
1.22 cvs 1415: SetIntPlaceholderAttr (pair, doc);
1.1 cvs 1416: prevScript = NULL;
1417: TtaNextSibling (&elem);
1418: }
1419: }
1420: }
1421: /* all children of element MMULTISCRIPTS have been processed */
1422: /* if the last group processed is not a PrescriptPairs element,
1423: create one as a placeholder */
1424: if (elTypeGroup.ElTypeNum != MathML_EL_PrescriptPairs && base != NULL)
1425: {
1426: elTypeGroup.ElTypeNum = MathML_EL_PrescriptPairs;
1.47 cvs 1427: elem = TtaNewTree (doc, elTypeGroup, "");
1.1 cvs 1428: if (group == NULL)
1429: group = base;
1430: TtaInsertSibling (elem, group, TRUE, doc);
1.22 cvs 1431: SetIntPlaceholderAttr (elem, doc);
1.1 cvs 1432: }
1433: }
1434:
1.39 cvs 1435: /*----------------------------------------------------------------------
1436: CreateWrapper
1437:
1438: Create an element of type wrapperType as a child of element el and
1439: move all chidren of element el within the new element.
1440: -----------------------------------------------------------------------*/
1441: #ifdef __STDC__
1442: static void CreateWrapper (Element el, int wrapperType, Document doc)
1443: #else /* __STDC__*/
1444: static void CreateWrapper (el, wrapperType, doc)
1445: Element el;
1446: int wrapperType;
1447: Document doc;
1448: #endif /* __STDC__*/
1449: {
1450: Element wrapper, child, prevChild, nextChild;
1451: ElementType elType;
1452:
1453: child = TtaGetFirstChild (el);
1454: elType.ElSSchema = GetMathMLSSchema (doc);
1455: elType.ElTypeNum = wrapperType;
1456: wrapper = TtaNewElement (doc, elType);
1457: TtaInsertFirstChild (&wrapper, el, doc);
1458: prevChild = NULL;
1459: while (child)
1460: {
1461: nextChild = child;
1462: TtaNextSibling (&nextChild);
1463: TtaRemoveTree (child, doc);
1464: if (prevChild == NULL)
1465: TtaInsertFirstChild (&child, wrapper, doc);
1466: else
1467: TtaInsertSibling (child, prevChild, FALSE, doc);
1468: prevChild = child;
1469: child = nextChild;
1470: }
1471: }
1.5 cvs 1472:
1473: /*----------------------------------------------------------------------
1474: CheckMTable
1475:
1476: The content of a MTABLE element has been created following
1477: the original MathML structure. Create all Thot elements defined
1478: in the MathML S schema.
1.64 cvs 1479: If placeholder, associate an attribute IntPlaceholder with all
1480: cells generated in a MathML table.
1.5 cvs 1481: -----------------------------------------------------------------------*/
1482: #ifdef __STDC__
1.64 cvs 1483: void CheckMTable (Element elMTABLE, Document doc, ThotBool placeholder)
1.5 cvs 1484: #else /* __STDC__*/
1.64 cvs 1485: void CheckMTable (elMTABLE, doc, placeholder)
1.5 cvs 1486: Element elMTABLE;
1487: Document doc;
1.64 cvs 1488: ThotBool placeholder;
1.5 cvs 1489: #endif /* __STDC__*/
1490: {
1491: ElementType elType;
1492: Element MTableHead, MTableBody, row, nextRow, el, prevRow, cell,
1.40 cvs 1493: nextCell, newMTD, firstColHead;
1.5 cvs 1494: SSchema MathMLSSchema;
1495:
1496: MathMLSSchema = GetMathMLSSchema (doc);
1497: row = TtaGetFirstChild (elMTABLE);
1498:
1499: /* create a MTable_head as the first child of element MTABLE */
1500: elType.ElSSchema = MathMLSSchema;
1501: elType.ElTypeNum = MathML_EL_MTable_head;
1502: MTableHead = TtaNewElement (doc, elType);
1503: TtaInsertFirstChild (&MTableHead, elMTABLE, doc);
1504: elType.ElTypeNum = MathML_EL_MColumn_head;
1.47 cvs 1505: firstColHead = TtaNewTree (doc, elType, "");
1.5 cvs 1506: TtaInsertFirstChild (&firstColHead, MTableHead, doc);
1507:
1508: /* create a MTable_body */
1509: elType.ElSSchema = MathMLSSchema;
1510: elType.ElTypeNum = MathML_EL_MTable_body;
1511: MTableBody = TtaNewElement (doc, elType);
1512: TtaInsertSibling (MTableBody, MTableHead, FALSE, doc);
1513:
1514: /* move all children of element MTABLE into the new MTable_body element
1515: and wrap each non-MTR element with a MTR */
1516: prevRow = NULL;
1517: while (row)
1518: {
1519: nextRow = row;
1520: TtaNextSibling (&nextRow);
1521: elType = TtaGetElementType (row);
1522: TtaRemoveTree (row, doc);
1523: if (TtaSameSSchemas (elType.ElSSchema, MathMLSSchema) &&
1524: (elType.ElTypeNum == MathML_EL_XMLcomment ||
1525: elType.ElTypeNum == MathML_EL_MTR))
1526: {
1527: if (prevRow == NULL)
1528: TtaInsertFirstChild (&row, MTableBody, doc);
1529: else
1530: TtaInsertSibling (row, prevRow, FALSE, doc);
1531: prevRow = row;
1532: if (elType.ElTypeNum == MathML_EL_MTR)
1533: cell = TtaGetFirstChild (row);
1534: else
1535: cell = NULL;
1536: }
1537: else
1538: /* this child is not a MTR nor a comment, create a MTR element */
1539: {
1540: elType.ElSSchema = MathMLSSchema;
1541: elType.ElTypeNum = MathML_EL_MTR;
1542: el = TtaNewElement (doc, elType);
1543: if (prevRow == NULL)
1544: TtaInsertFirstChild (&el, MTableBody, doc);
1545: else
1546: TtaInsertSibling (el, prevRow, FALSE, doc);
1547: TtaInsertFirstChild (&row, el, doc);
1548: cell = row;
1549: prevRow = el;
1550: }
1551: while (cell)
1552: /* check all children of the current MTR element */
1553: {
1554: nextCell = cell;
1555: TtaNextSibling (&nextCell);
1556: elType = TtaGetElementType (cell);
1557: if (!TtaSameSSchemas (elType.ElSSchema, MathMLSSchema) ||
1558: (elType.ElTypeNum != MathML_EL_XMLcomment &&
1559: elType.ElTypeNum != MathML_EL_MTD))
1560: /* this is not a MTD nor a comment, create a wrapping MTD */
1561: {
1562: elType.ElSSchema = MathMLSSchema;
1563: elType.ElTypeNum = MathML_EL_MTD;
1564: newMTD = TtaNewElement (doc, elType);
1565: TtaInsertSibling (newMTD, cell, TRUE, doc);
1566: TtaRemoveTree (cell, doc);
1567: TtaInsertFirstChild (&cell, newMTD, doc);
1568: cell = newMTD;
1569: }
1570: if (elType.ElTypeNum == MathML_EL_MTD)
1571: /* This is a MTD element. Wrap its contents with a CellWrapper */
1.39 cvs 1572: CreateWrapper (cell, MathML_EL_CellWrapper, doc);
1.5 cvs 1573: cell = nextCell;
1574: }
1575: row = nextRow;
1576: }
1.64 cvs 1577: CheckAllRows (elMTABLE, doc, placeholder);
1.5 cvs 1578: }
1.12 cvs 1579:
1.46 cvs 1580: /*----------------------------------------------------------------------
1.1 cvs 1581: SetFontstyleAttr
1582: The content of a MI element has been created or modified.
1583: Create or change attribute IntFontstyle for that element accordingly.
1584: -----------------------------------------------------------------------*/
1585: #ifdef __STDC__
1586: void SetFontstyleAttr (Element el, Document doc)
1587: #else /* __STDC__*/
1588: void SetFontstyleAttr (el, doc)
1589: Element el;
1590: Document doc;
1591: #endif /* __STDC__*/
1592: {
1593: ElementType elType;
1594: AttributeType attrType;
1595: Attribute attr, IntAttr;
1.54 cvs 1596: Element textEl;
1.1 cvs 1597: int len;
1.54 cvs 1598: STRING value;
1599: ThotBool italic;
1.1 cvs 1600:
1601: if (el != NULL)
1602: {
1603: /* search the fontstyle attribute */
1604: elType = TtaGetElementType (el);
1605: attrType.AttrSSchema = elType.ElSSchema;
1606: attrType.AttrTypeNum = MathML_ATTR_fontstyle;
1607: attr = TtaGetAttribute (el, attrType);
1608: attrType.AttrTypeNum = MathML_ATTR_IntFontstyle;
1609: IntAttr = TtaGetAttribute (el, attrType);
1610: if (attr != NULL)
1611: /* there is a fontstyle attribute. Remove the corresponding
1612: internal attribute that is not needed */
1613: {
1614: if (IntAttr != NULL)
1.54 cvs 1615: TtaRemoveAttribute (el, IntAttr, doc);
1.1 cvs 1616: }
1617: else
1618: /* there is no fontstyle attribute. Create an internal attribute
1619: IntFontstyle with a value that depends on the content of the MI */
1620: {
1621: /* get content length */
1622: len = TtaGetElementVolume (el);
1623: if (len > 1)
1624: /* put an attribute IntFontstyle = IntNormal */
1625: {
1626: if (IntAttr == NULL)
1627: {
1628: IntAttr = TtaNewAttribute (attrType);
1629: TtaAttachAttribute (el, IntAttr, doc);
1630: }
1631: TtaSetAttributeValue (IntAttr, MathML_ATTR_IntFontstyle_VAL_IntNormal,
1632: el, doc);
1633: }
1634: else
1635: /* MI contains a single character. Remove attribute IntFontstyle
1.54 cvs 1636: if it exists, except if it's ImaginaryI, ExponentialE or
1637: DifferentialD. */
1.1 cvs 1638: {
1.54 cvs 1639: italic = TRUE;
1640: textEl = TtaGetFirstChild (el);
1641: if (textEl != NULL)
1642: {
1643: /* is there an attribute EntityName on that character? */
1644: attrType.AttrTypeNum = MathML_ATTR_EntityName;
1645: attr = TtaGetAttribute (textEl, attrType);
1646: if (attr)
1647: {
1648: len = TtaGetTextAttributeLength (attr);
1649: if (len > 0)
1650: {
1651: value = TtaAllocString (len+1);
1652: TtaGiveTextAttributeValue (attr, value, &len);
1653: if (ustrcmp (value, TEXT("ⅈ")) == 0 ||
1654: ustrcmp (value, TEXT("ⅇ")) == 0 ||
1655: ustrcmp (value, TEXT("ⅆ")) == 0)
1656: italic = FALSE;
1657: TtaFreeMemory (value);
1658: }
1659: }
1660: if (italic)
1661: {
1662: if (IntAttr != NULL)
1663: TtaRemoveAttribute (el, IntAttr, doc);
1664: }
1665: else
1666: {
1667: /* put an attribute IntFontstyle = IntNormal */
1668: if (IntAttr == NULL)
1669: {
1670: attrType.AttrTypeNum = MathML_ATTR_IntFontstyle;
1671: IntAttr = TtaNewAttribute (attrType);
1672: TtaAttachAttribute (el, IntAttr, doc);
1673: }
1674: TtaSetAttributeValue (IntAttr, MathML_ATTR_IntFontstyle_VAL_IntNormal,
1675: el, doc);
1676: }
1677: }
1.1 cvs 1678: }
1679: }
1680: }
1681: }
1682:
1683: /*----------------------------------------------------------------------
1.22 cvs 1684: SetIntAddSpaceAttr
1.1 cvs 1685: The content of a MO element has been created or modified.
1.22 cvs 1686: Create or change attribute IntAddSpace for that element accordingly.
1.1 cvs 1687: -----------------------------------------------------------------------*/
1688: #ifdef __STDC__
1.22 cvs 1689: void SetIntAddSpaceAttr (Element el, Document doc)
1.1 cvs 1690: #else /* __STDC__*/
1.22 cvs 1691: void SetIntAddSpaceAttr (el, doc)
1.1 cvs 1692: Element el;
1693: Document doc;
1694: #endif /* __STDC__*/
1695: {
1696: Element textEl, previous;
1697: ElementType elType;
1698: AttributeType attrType;
1.60 cvs 1699: Attribute attr, formAttr;
1700: int len, val, form;
1.1 cvs 1701: #define BUFLEN 10
1.15 cvs 1702: UCHAR_T text[BUFLEN];
1.1 cvs 1703: Language lang;
1.15 cvs 1704: CHAR_T alphabet;
1.1 cvs 1705:
1.60 cvs 1706: /* get the content of the mo element */
1.1 cvs 1707: textEl = TtaGetFirstChild (el);
1708: if (textEl != NULL)
1.60 cvs 1709: /* the mo element is not empty */
1.1 cvs 1710: {
1.60 cvs 1711: /* does the mo element have an IntAddSpace attribute? */
1.1 cvs 1712: elType = TtaGetElementType (el);
1713: attrType.AttrSSchema = elType.ElSSchema;
1.22 cvs 1714: attrType.AttrTypeNum = MathML_ATTR_IntAddSpace;
1.1 cvs 1715: attr = TtaGetAttribute (el, attrType);
1716: if (attr == NULL)
1.60 cvs 1717: /* no IntAddSpace Attr, create one */
1.1 cvs 1718: {
1719: attr = TtaNewAttribute (attrType);
1720: TtaAttachAttribute (el, attr, doc);
1721: }
1.60 cvs 1722: /* nospace by default */
1.22 cvs 1723: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1.60 cvs 1724: /* does the mo element have a form attribute? */
1725: attrType.AttrTypeNum = MathML_ATTR_form;
1726: formAttr = TtaGetAttribute (el, attrType);
1727: if (formAttr)
1728: /* there is a form attribute */
1729: {
1730: form = TtaGetAttributeValue (formAttr);
1731: switch (form)
1732: {
1733: case MathML_ATTR_form_VAL_prefix:
1734: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1735: break;
1736: case MathML_ATTR_form_VAL_infix:
1737: val = MathML_ATTR_IntAddSpace_VAL_both;
1738: break;
1739: case MathML_ATTR_form_VAL_postfix:
1740: val = MathML_ATTR_IntAddSpace_VAL_spaceafter;
1741: break;
1742: }
1743: }
1744: else
1745: /* no form attribute. Analyze the content */
1746: {
1747: len = TtaGetTextLength (textEl);
1748: if (len > 0 && len < BUFLEN)
1749: {
1750: len = BUFLEN;
1751: TtaGiveTextContent (textEl, text, &len, &lang);
1752: alphabet = TtaGetAlphabet (lang);
1753: if (len == 1)
1754: /* the mo element contains a single character */
1755: if (alphabet == 'L')
1756: /* ISO-Latin 1 character */
1757: {
1758: if (text[0] == '-')
1759: /* prefix or infix operator? */
1760: {
1761: previous = el;
1762: TtaPreviousSibling (&previous);
1763: if (previous == NULL)
1764: /* no previous sibling => prefix operator */
1765: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1766: else
1767: {
1768: elType = TtaGetElementType (previous);
1769: if (elType.ElTypeNum == MathML_EL_MO)
1770: /* after an operator => prefix operator */
1771: val = MathML_ATTR_IntAddSpace_VAL_nospace;
1772: else
1773: /* infix operator */
1774: val = MathML_ATTR_IntAddSpace_VAL_both;
1775: }
1776: }
1777: else if (text[0] == '+' ||
1778: text[0] == '&' ||
1779: text[0] == '*' ||
1780: text[0] == '<' ||
1781: text[0] == '=' ||
1782: text[0] == '>' ||
1783: text[0] == '^')
1784: /* infix operator */
1785: val = MathML_ATTR_IntAddSpace_VAL_both;
1786: else if (text[0] == ',' ||
1787: text[0] == ';')
1788: /* separator */
1789: val = MathML_ATTR_IntAddSpace_VAL_spaceafter;
1790: }
1791: else if (alphabet == 'G')
1792: /* Symbol character set */
1793: if ((int)text[0] == 163 || /* less or equal */
1794: (int)text[0] == 177 || /* plus or minus */
1795: (int)text[0] == 179 || /* greater or equal */
1796: (int)text[0] == 180 || /* times */
1797: (int)text[0] == 184 || /* divide */
1798: (int)text[0] == 185 || /* not equal */
1799: (int)text[0] == 186 || /* identical */
1800: (int)text[0] == 187 || /* equivalent */
1801: (int)text[0] == 196 || /* circle times */
1802: (int)text[0] == 197 || /* circle plus */
1803: ((int)text[0] >= 199 && (int)text[0] <= 209) || /* */
1804: (int)text[0] == 217 || /* and */
1805: (int)text[0] == 218 ) /* or */
1806: /* infix operator */
1807: val = MathML_ATTR_IntAddSpace_VAL_both;
1808: }
1809: }
1.1 cvs 1810: TtaSetAttributeValue (attr, val, el, doc);
1811: }
1812: }
1813:
1814:
1815: /*----------------------------------------------------------------------
1816: ChangeTypeOfElement
1817: Change the type of element elem into newTypeNum
1818: -----------------------------------------------------------------------*/
1819: #ifdef __STDC__
1820: void ChangeTypeOfElement (Element elem, Document doc, int newTypeNum)
1821: #else /* __STDC__*/
1822: void ChangeTypeOfElement (elem, doc, newTypeNum)
1823: Element elem;
1824: Document doc;
1825: int newTypeNum;
1826: #endif /* __STDC__*/
1827:
1828: {
1829: Element prev, next, parent;
1.10 cvs 1830:
1831: parent = NULL;
1.1 cvs 1832: prev = elem;
1833: TtaPreviousSibling (&prev);
1834: if (prev == NULL)
1835: {
1836: next = elem;
1837: TtaNextSibling (&next);
1838: if (next == NULL)
1839: parent = TtaGetParent (elem);
1840: }
1841: TtaRemoveTree (elem, doc);
1842: ChangeElementType (elem, newTypeNum);
1843: if (prev != NULL)
1844: TtaInsertSibling (elem, prev, FALSE, doc);
1845: else if (next != NULL)
1846: TtaInsertSibling (elem, next, TRUE, doc);
1847: else
1848: TtaInsertFirstChild (&elem, parent, doc);
1849: }
1850:
1851:
1852: /*----------------------------------------------------------------------
1.58 cvs 1853: ChildOfMRowOrInferred
1854: Return TRUE if element el is a child of a MROW element or an
1855: inferred MROW element
1856: ----------------------------------------------------------------------*/
1857: #ifdef __STDC__
1858: ThotBool ChildOfMRowOrInferred (Element el)
1859: #else
1860: ThotBool ChildOfMRowOrInferred (el)
1861: Element el;
1862: #endif
1863: {
1864: ElementType elType;
1865: Element parent;
1866: ThotBool result;
1867:
1868: result = FALSE;
1869: parent = TtaGetParent (el);
1870: if (parent)
1871: {
1872: elType = TtaGetElementType (parent);
1873: result = (elType.ElTypeNum == MathML_EL_MROW ||
1874: elType.ElTypeNum == MathML_EL_SqrtBase ||
1875: elType.ElTypeNum == MathML_EL_MSTYLE ||
1876: elType.ElTypeNum == MathML_EL_MERROR ||
1.92 cvs 1877: elType.ElTypeNum == MathML_EL_MENCLOSE ||
1.58 cvs 1878: elType.ElTypeNum == MathML_EL_MPADDED ||
1879: elType.ElTypeNum == MathML_EL_MPHANTOM ||
1880: elType.ElTypeNum == MathML_EL_CellWrapper ||
1.92 cvs 1881: elType.ElTypeNum == MathML_EL_MathML ||
1.58 cvs 1882: elType.ElTypeNum == MathML_EL_FencedExpression);
1883: }
1884: return result;
1885: }
1886:
1887: /*----------------------------------------------------------------------
1.1 cvs 1888: CheckFence
1.84 cvs 1889: If el is a MO element,
1890: - if it's a large operator (∑ for instance), put a presentation
1891: rule to enlarge the character.
1892: - if it's a child of a MROW (or equivalent) element and if it contains
1893: a single fence character, transform the MO into a MF and the fence
1894: character into a Thot stretchable symbol.
1.1 cvs 1895: ----------------------------------------------------------------------*/
1896: #ifdef __STDC__
1.84 cvs 1897: void CheckFence (Element el, Document doc)
1.1 cvs 1898: #else
1.84 cvs 1899: void CheckFence (el, doc)
1.1 cvs 1900: Element el;
1901: Document doc;
1902:
1903: #endif
1904: {
1.46 cvs 1905: ElementType elType;
1.58 cvs 1906: Element content;
1.1 cvs 1907: AttributeType attrType;
1.46 cvs 1908: Attribute attr, attrStretchy;
1.47 cvs 1909: int len, val;
1.58 cvs 1910: Language lang;
1911: CHAR_T alphabet;
1.49 cvs 1912: UCHAR_T text[2];
1913: unsigned char c;
1.84 cvs 1914: PresentationValue pval;
1915: PresentationContext ctxt;
1.1 cvs 1916:
1917: elType = TtaGetElementType (el);
1918: if (elType.ElTypeNum == MathML_EL_MO)
1.58 cvs 1919: /* the element is a MO */
1920: {
1.84 cvs 1921: content = TtaGetFirstChild (el);
1922: if (content != NULL)
1923: {
1924: elType = TtaGetElementType (content);
1925: if (elType.ElTypeNum == MathML_EL_TEXT_UNIT)
1926: {
1927: len = TtaGetTextLength (content);
1928: if (len == 1)
1929: /* the MO element contains a single character */
1930: {
1931: len = 2;
1932: TtaGiveTextContent (content, text, &len, &lang);
1933: alphabet = TtaGetAlphabet (lang);
1934: if ((alphabet == 'G') &&
1935: ((int)text[0] == 229 || (int)text[0] == 213)) /* Sigma, Pi */
1936: /* it's a large operator */
1937: {
1938: ctxt = TtaGetSpecificStyleContext (doc);
1939: ctxt->destroy = FALSE;
1940: /* the specific presentation to be created is not a CSS rule */
1941: ctxt->cssLevel = 0;
1942: pval.typed_data.unit = STYLE_UNIT_PERCENT;
1943: pval.typed_data.real = FALSE;
1944: pval.typed_data.value = 180;
1945: TtaSetStylePresentation (PRSize, content, NULL, ctxt, pval);
1946: }
1947: else if (ChildOfMRowOrInferred (el))
1948: /* the MO element is a child of a MROW element */
1.1 cvs 1949: {
1.84 cvs 1950: if ((alphabet == 'L') &&
1951: (text[0] == TEXT('(') || text[0] == TEXT(')') ||
1952: text[0] == TEXT('[') || text[0] == TEXT(']') ||
1953: text[0] == TEXT('{') || text[0] == TEXT('}') ||
1954: text[0] == TEXT('|')))
1955: /* it's a stretchable parenthesis or equivalent */
1956: {
1957: /* remove the content of the MO element */
1958: TtaDeleteTree (content, doc);
1959: /* change the MO element into a MF element */
1960: ChangeTypeOfElement (el, doc, MathML_EL_MF);
1.55 cvs 1961:
1.84 cvs 1962: /* is there an attribute stretchy on this mo element? */
1963: attrType.AttrSSchema = elType.ElSSchema;
1964: attrType.AttrTypeNum = MathML_ATTR_stretchy;
1965: attrStretchy = TtaGetAttribute (el, attrType);
1966: if (attrStretchy)
1967: val = TtaGetAttributeValue (attrStretchy);
1968: else
1969: val = MathML_ATTR_stretchy_VAL_true;
1970: if (val == MathML_ATTR_stretchy_VAL_true)
1971: {
1972: /* attach a IntVertStretch attribute to the MF element*/
1973: attrType.AttrTypeNum = MathML_ATTR_IntVertStretch;
1974: attr = TtaNewAttribute (attrType);
1975: TtaAttachAttribute (el, attr, doc);
1976: TtaSetAttributeValue (attr,
1977: MathML_ATTR_IntVertStretch_VAL_yes_,
1978: el, doc);
1979: }
1980: /* create a new content for the MF element */
1.87 cvs 1981: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
1982: c = (char) text[0];
1.84 cvs 1983: content = TtaNewElement (doc, elType);
1984: TtaInsertFirstChild (&content, el, doc);
1985: TtaSetGraphicsShape (content, c, doc);
1986: }
1.1 cvs 1987: }
1.84 cvs 1988: }
1989: }
1.58 cvs 1990: }
1991: }
1.1 cvs 1992: }
1993:
1994: /*----------------------------------------------------------------------
1995: CreateFencedSeparators
1996: Create FencedSeparator elements within the fencedExpression
1997: according to attribute separators of the MFENCED element.
1998: ----------------------------------------------------------------------*/
1999: #ifdef __STDC__
1.18 cvs 2000: void CreateFencedSeparators (Element fencedExpression, Document doc, ThotBool record)
1.1 cvs 2001: #else
1.17 cvs 2002: void CreateFencedSeparators (fencedExpression, doc, record)
1.1 cvs 2003: Element fencedExpression;
2004: Document doc;
1.18 cvs 2005: ThotBool record;
1.1 cvs 2006:
2007: #endif
2008: {
2009: ElementType elType;
2010: Element child, separator, leaf, next, prev, mfenced;
2011: AttributeType attrType;
2012: Attribute attr;
2013: int length, sep, i;
2014: Language lang;
1.46 cvs 2015: CHAR_T text[32], sepValue[4];
1.1 cvs 2016:
2017: /* get the separators attribute */
2018: mfenced = TtaGetParent (fencedExpression);
2019: elType = TtaGetElementType (fencedExpression);
2020: attrType.AttrSSchema = elType.ElSSchema;
2021: attrType.AttrTypeNum = MathML_ATTR_separators;
2022: text[0] = ','; /* default value is sparators="," */
2023: text[1] = EOS;
2024: length = 1;
2025: attr = TtaGetAttribute (mfenced, attrType);
2026: if (attr != NULL)
2027: {
2028: length = 31;
2029: TtaGiveTextAttributeValue (attr, text, &length);
2030: }
2031:
2032: /* create FencedSeparator elements in the FencedExpression */
2033: prev = NULL;
2034: sep = 0;
2035: /* skip leading spaces in attribute separators */
2036: while (text[sep] <= SPACE && text[sep] != EOS)
2037: sep++;
2038: /* if attribute separators is empty or contains only spaces, do not
2039: insert any separator element */
2040: if (text[sep] != EOS)
2041: {
2042: child = TtaGetFirstChild (fencedExpression);
2043: while (child != NULL)
2044: {
2045: next = child;
2046: TtaNextSibling (&next);
2047: elType = TtaGetElementType (child);
2048: if (elType.ElTypeNum != MathML_EL_Construct)
2049: {
2050: if (prev != NULL)
2051: {
2052: elType.ElTypeNum = MathML_EL_FencedSeparator;
2053: separator = TtaNewElement (doc, elType);
2054: TtaInsertSibling (separator, prev, FALSE, doc);
2055: elType.ElTypeNum = MathML_EL_TEXT_UNIT;
2056: leaf = TtaNewElement (doc, elType);
2057: TtaInsertFirstChild (&leaf, separator, doc);
2058: sepValue[0] = text[sep];
2059: sepValue[1] = SPACE;
2060: sepValue[2] = EOS;
2061: lang = TtaGetLanguageIdFromAlphabet('L');
2062: TtaSetTextContent (leaf, sepValue, lang, doc);
2063: /* is there a following non-space character in separators? */
2064: i = sep + 1;
2065: while (text[i] <= SPACE && text[i] != EOS)
2066: i++;
2067: if (text[i] > SPACE && text[i] != EOS)
2068: sep = i;
1.17 cvs 2069: if (record)
2070: TtaRegisterElementCreate (separator, doc);
1.1 cvs 2071: }
2072: prev = child;
2073: }
2074: child = next;
2075: }
2076: }
2077: }
2078:
2079:
2080: /*----------------------------------------------------------------------
2081: TransformMFENCED
2082: Transform the content of a MFENCED element: create elements
2083: OpeningFence, FencedExpression, ClosingFence and FencedSeparator.
2084: ----------------------------------------------------------------------*/
2085: #ifdef __STDC__
1.46 cvs 2086: static void TransformMFENCED (Element el, Document doc)
1.1 cvs 2087: #else
1.46 cvs 2088: static void TransformMFENCED (el, doc)
1.1 cvs 2089: Element el;
2090: Document doc;
2091:
2092: #endif
2093: {
2094: ElementType elType;
2095: Element child, fencedExpression, leaf, fence, next, prev,
2096: firstChild;
2097: AttributeType attrType;
2098: Attribute attr;
1.47 cvs 2099: int length;
1.49 cvs 2100: CHAR_T text[32];
2101: char c;
1.1 cvs 2102:
2103: child = TtaGetFirstChild (el);
2104: if (child != NULL)
2105: elType = TtaGetElementType (child);
2106: if (child != NULL && elType.ElTypeNum == MathML_EL_OpeningFence)
2107: /* The first child of this MFENCED element is an OpeningFence.
2108: This MFENCED expression has already been transformed, possibly
2109: by the Transform command */
2110: {
2111: TtaNextSibling (&child);
2112: fencedExpression = child;
2113: if (fencedExpression != NULL)
2114: elType = TtaGetElementType (fencedExpression);
2115: if (elType.ElTypeNum == MathML_EL_FencedExpression)
2116: /* the second child is a FencedExpression. OK.
2117: Remove all existing FencedSeparator elements */
2118: {
2119: child = TtaGetFirstChild (fencedExpression);
2120: prev = NULL;
2121: while (child != NULL)
2122: {
2123: elType = TtaGetElementType (child);
2124: next = child;
2125: TtaNextSibling (&next);
2126: if (elType.ElTypeNum == MathML_EL_FencedSeparator)
2127: /* Remove this separator */
2128: TtaDeleteTree (child, doc);
2129: child = next;
2130: }
2131: /* create FencedSeparator elements in the FencedExpression */
1.17 cvs 2132: CreateFencedSeparators (fencedExpression, doc, FALSE);
1.1 cvs 2133: }
2134: }
2135: else
2136: /* this MFENCED element must be transformed */
2137: {
2138: /* create a FencedExpression element as a child of the MFENCED elem. */
2139: elType = TtaGetElementType (el);
2140: elType.ElTypeNum = MathML_EL_FencedExpression;
2141: fencedExpression = TtaNewElement (doc, elType);
2142: TtaInsertFirstChild (&fencedExpression, el, doc);
2143: if (child == NULL)
2144: /* empty MFENCED element */
2145: {
2146: elType.ElTypeNum = MathML_EL_Construct;
2147: child = TtaNewElement (doc, elType);
2148: TtaInsertFirstChild (&child, fencedExpression, doc);
1.22 cvs 2149: SetIntPlaceholderAttr (child, doc);
1.1 cvs 2150: }
2151: else
2152: {
2153: /* move the content of the MFENCED element within the new
2154: FencedExpression element */
2155: prev = NULL;
2156: firstChild = NULL;
2157: while (child != NULL)
2158: {
2159: next = child;
2160: TtaNextSibling (&next);
2161: TtaRemoveTree (child, doc);
2162: if (prev == NULL)
2163: {
2164: TtaInsertFirstChild (&child, fencedExpression, doc);
2165: firstChild = child;
2166: }
2167: else
2168: TtaInsertSibling (child, prev, FALSE, doc);
2169: prev = child;
2170: child = next;
2171: }
2172:
2173: /* create FencedSeparator elements in the FencedExpression */
1.17 cvs 2174: CreateFencedSeparators (fencedExpression, doc, FALSE);
1.1 cvs 2175:
2176: /* Create placeholders within the FencedExpression element */
2177: CreatePlaceholders (firstChild, doc);
2178: }
2179:
2180: /* create the OpeningFence element according to the open attribute */
2181: c = '(';
2182: attrType.AttrSSchema = elType.ElSSchema;
2183: attrType.AttrTypeNum = MathML_ATTR_open;
2184: attr = TtaGetAttribute (el, attrType);
2185: if (attr != NULL)
2186: {
2187: length = 7;
2188: TtaGiveTextAttributeValue (attr, text, &length);
1.49 cvs 2189: c = (char)text[0];
1.1 cvs 2190: }
2191: elType.ElTypeNum = MathML_EL_OpeningFence;
2192: fence = TtaNewElement (doc, elType);
2193: TtaInsertSibling (fence, fencedExpression, TRUE, doc);
2194: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
2195: leaf = TtaNewElement (doc, elType);
2196: TtaInsertFirstChild (&leaf, fence, doc);
2197: TtaSetGraphicsShape (leaf, c, doc);
2198:
2199: /* create the ClosingFence element according to close attribute */
2200: c = ')';
2201: attrType.AttrTypeNum = MathML_ATTR_close;
2202: attr = TtaGetAttribute (el, attrType);
2203: if (attr != NULL)
2204: {
2205: length = 7;
2206: TtaGiveTextAttributeValue (attr, text, &length);
1.49 cvs 2207: c = (char) text[0];
1.1 cvs 2208: }
2209: elType.ElTypeNum = MathML_EL_ClosingFence;
2210: fence = TtaNewElement (doc, elType);
2211: TtaInsertSibling (fence, fencedExpression, FALSE, doc);
2212: elType.ElTypeNum = MathML_EL_SYMBOL_UNIT;
2213: leaf = TtaNewElement (doc, elType);
2214: TtaInsertFirstChild (&leaf, fence, doc);
2215: TtaSetGraphicsShape (leaf, c, doc);
2216: }
2217: }
2218:
2219: /*----------------------------------------------------------------------
1.59 cvs 2220: MathMLScriptShift
2221: The MathML attribute attr (superscriptshift or subscriptshift) is associated
2222: with element el (a msub, msup or msubsup).
2223: If value is not NULL, generate the corresponding Thot VertPos rule for the
2224: Subscript or Superscript child of el.
2225: If value is NULL, remove the Thot VertPos rule.
2226: -----------------------------------------------------------------------*/
2227: #ifdef __STDC__
2228: void MathMLScriptShift (Document doc, Element el, STRING value, int attr)
2229: #else /* __STDC__*/
2230: void MathMLScriptShift (doc, el, value, attr)
2231: Document doc;
2232: Element el;
2233: STRING value;
2234: int attr;
2235: #endif /* __STDC__*/
2236: {
2237: ElementType elType;
2238: Element script, child;
2239: int scrType;
2240: PresentationValue pval;
2241: PresentationContext ctxt;
2242:
2243: /* get the Superscript or Subscript child of el */
2244: if (attr == MathML_ATTR_superscriptshift)
2245: scrType = MathML_EL_Superscript;
2246: else if (attr == MathML_ATTR_subscriptshift)
2247: scrType = MathML_EL_Subscript;
2248: else
2249: return;
2250: script = NULL;
2251: child = TtaGetFirstChild (el);
2252: while (!script && child)
2253: {
2254: elType = TtaGetElementType (child);
2255: if (elType.ElTypeNum == scrType)
2256: script = child;
2257: else
2258: TtaNextSibling (&child);
2259: }
2260: if (script)
2261: /* Superscript or Subscript element found */
2262: {
2263: ctxt = TtaGetSpecificStyleContext (doc);
2264: if (!value)
2265: /* remove the presentation rule */
2266: {
2267: ctxt->destroy = TRUE;
1.75 cvs 2268: pval.typed_data.value = 0;
1.59 cvs 2269: TtaSetStylePresentation (PRVertPos, script, NULL, ctxt, pval);
2270: }
2271: else
2272: {
2273: ctxt->destroy = FALSE;
2274: /* parse the attribute value (a number followed by a unit) */
2275: value = TtaSkipWCBlanks (value);
2276: value = ParseCSSUnit (value, &pval);
2277: if (pval.typed_data.unit != STYLE_UNIT_INVALID)
2278: {
1.78 cvs 2279: /* the specific presentation to be created is not a CSS rule */
2280: ctxt->cssLevel = 0;
1.59 cvs 2281: if (attr == MathML_ATTR_superscriptshift)
2282: pval.typed_data.value = - pval.typed_data.value;
2283: TtaSetStylePresentation (PRVertPos, script, NULL, ctxt, pval);
2284: }
2285: }
2286: TtaFreeMemory (ctxt);
2287: }
2288: }
2289:
2290: /*----------------------------------------------------------------------
2291: SetScriptShift
2292: If element el (which is a msup, msub or msubsup) has an attribute
2293: att (which is subscriptshift or superscriptshift), generate the
2294: corresponding Thot presentation rule.
2295: ----------------------------------------------------------------------*/
2296: #ifdef __STDC__
2297: static void SetScriptShift (Element el, Document doc, int att)
2298: #else
2299: static void SetScriptShift (el, doc, att)
2300: Element el;
2301: Document doc;
2302: int att;
2303:
2304: #endif
2305: {
2306: AttributeType attrType;
2307: ElementType elType;
2308: Attribute attr;
2309: STRING value;
2310: int length;
2311:
2312: elType = TtaGetElementType (el);
2313: attrType.AttrSSchema = elType.ElSSchema;
2314: attrType.AttrTypeNum = att;
2315: attr = TtaGetAttribute (el, attrType);
2316: if (attr)
2317: {
2318: length = TtaGetTextAttributeLength (attr);
2319: if (length > 0)
2320: {
2321: value = TtaAllocString (length+1);
2322: value[0] = EOS;
2323: TtaGiveTextAttributeValue (attr, value, &length);
2324: MathMLScriptShift (doc, el, value, att);
2325: TtaFreeMemory (value);
2326: }
2327: }
2328: }
2329:
2330: /*----------------------------------------------------------------------
1.1 cvs 2331: MathMLElementComplete
2332: Check the Thot structure of the MathML element el.
2333: ----------------------------------------------------------------------*/
2334: #ifdef __STDC__
1.56 cvs 2335: void MathMLElementComplete (Element el, Document doc, int *error)
1.1 cvs 2336: #else
1.56 cvs 2337: void MathMLElementComplete (el, doc, error)
1.1 cvs 2338: Element el;
2339: Document doc;
1.56 cvs 2340: int *error;
1.1 cvs 2341:
2342: #endif
2343: {
1.74 cvs 2344: ElementType elType, parentType;
1.1 cvs 2345: Element child, parent, new, prev, next;
1.56 cvs 2346: SSchema MathMLSSchema;
2347: ThotBool ok;
1.1 cvs 2348:
1.56 cvs 2349: ok = TRUE;
2350: *error = 0;
1.1 cvs 2351: elType = TtaGetElementType (el);
1.2 cvs 2352: MathMLSSchema = GetMathMLSSchema (doc);
1.1 cvs 2353:
1.76 cvs 2354: if (elType.ElSSchema == MathMLSSchema)
1.1 cvs 2355: {
2356: switch (elType.ElTypeNum)
2357: {
1.76 cvs 2358: case MathML_EL_MathML:
2359: /* Create placeholders within the MathML element */
2360: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.1 cvs 2361: case MathML_EL_MI:
2362: SetFontstyleAttr (el, doc);
2363: break;
2364: case MathML_EL_MO:
1.22 cvs 2365: SetIntAddSpaceAttr (el, doc);
2366: SetIntVertStretchAttr (el, doc, 0, NULL);
1.58 cvs 2367: /* if the MO element is a child of a MROW (or equivalent) and if it
2368: contains a fence character, transform this MO into MF and
2369: transform the fence character into a Thot SYMBOL */
2370: CheckFence (el, doc);
1.1 cvs 2371: break;
1.60 cvs 2372: case MathML_EL_MSPACE:
2373: break;
1.39 cvs 2374: case MathML_EL_MROW:
1.55 cvs 2375: /* Create placeholders within the MROW */
2376: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.39 cvs 2377: break;
2378: case MathML_EL_MFRAC:
1.54 cvs 2379: case MathML_EL_BevelledMFRAC:
1.39 cvs 2380: /* end of a fraction. Create a Numerator and a Denominator */
1.56 cvs 2381: ok = CheckMathSubExpressions (el, MathML_EL_Numerator,
2382: MathML_EL_Denominator, 0, doc);
1.39 cvs 2383: break;
2384: case MathML_EL_MSQRT:
1.50 cvs 2385: /* end of a Square Root */
2386: /* Create placeholders within the element */
2387: CreatePlaceholders (TtaGetFirstChild (el), doc);
2388: /* Create a SqrtBase that contains all children of the MSQRT */
1.39 cvs 2389: CreateWrapper (el, MathML_EL_SqrtBase, doc);
2390: break;
1.1 cvs 2391: case MathML_EL_MROOT:
2392: /* end of a Root. Create a RootBase and an Index */
1.56 cvs 2393: ok = CheckMathSubExpressions (el, MathML_EL_RootBase,
2394: MathML_EL_Index, 0, doc);
1.1 cvs 2395: break;
1.50 cvs 2396: case MathML_EL_MENCLOSE:
2397: /* Create placeholders within the element */
2398: CreatePlaceholders (TtaGetFirstChild (el), doc);
2399: break;
1.39 cvs 2400: case MathML_EL_MSTYLE:
2401: case MathML_EL_MERROR:
2402: case MathML_EL_MPADDED:
2403: case MathML_EL_MPHANTOM:
2404: /* Create placeholders within the element */
2405: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.1 cvs 2406: break;
2407: case MathML_EL_MFENCED:
2408: TransformMFENCED (el, doc);
2409: break;
2410: case MathML_EL_MSUB:
2411: /* end of a MSUB. Create Base and Subscript */
1.56 cvs 2412: ok = CheckMathSubExpressions (el, MathML_EL_Base,
2413: MathML_EL_Subscript, 0, doc);
1.59 cvs 2414: SetScriptShift (el, doc, MathML_ATTR_subscriptshift);
1.22 cvs 2415: SetIntVertStretchAttr (el, doc, MathML_EL_Base, NULL);
1.1 cvs 2416: break;
2417: case MathML_EL_MSUP:
2418: /* end of a MSUP. Create Base and Superscript */
1.56 cvs 2419: ok = CheckMathSubExpressions (el, MathML_EL_Base,
2420: MathML_EL_Superscript, 0, doc);
1.59 cvs 2421: SetScriptShift (el, doc, MathML_ATTR_superscriptshift);
1.22 cvs 2422: SetIntVertStretchAttr (el, doc, MathML_EL_Base, NULL);
1.1 cvs 2423: break;
1.39 cvs 2424: case MathML_EL_MSUBSUP:
2425: /* end of a MSUBSUP. Create Base, Subscript, and Superscript */
1.56 cvs 2426: ok = CheckMathSubExpressions (el, MathML_EL_Base,
2427: MathML_EL_Subscript,
2428: MathML_EL_Superscript, doc);
1.59 cvs 2429: SetScriptShift (el, doc, MathML_ATTR_subscriptshift);
2430: SetScriptShift (el, doc, MathML_ATTR_superscriptshift);
1.39 cvs 2431: SetIntVertStretchAttr (el, doc, MathML_EL_Base, NULL);
1.1 cvs 2432: break;
2433: case MathML_EL_MUNDER:
2434: /* end of a MUNDER. Create UnderOverBase, and Underscript */
1.56 cvs 2435: ok = CheckMathSubExpressions (el, MathML_EL_UnderOverBase,
2436: MathML_EL_Underscript, 0, doc);
1.22 cvs 2437: SetIntHorizStretchAttr (el, doc);
2438: SetIntVertStretchAttr (el, doc, MathML_EL_UnderOverBase, NULL);
1.1 cvs 2439: break;
2440: case MathML_EL_MOVER:
2441: /* end of a MOVER. Create UnderOverBase, and Overscript */
1.56 cvs 2442: ok = CheckMathSubExpressions (el, MathML_EL_UnderOverBase,
2443: MathML_EL_Overscript, 0, doc);
1.22 cvs 2444: SetIntHorizStretchAttr (el, doc);
2445: SetIntVertStretchAttr (el, doc, MathML_EL_UnderOverBase, NULL);
1.1 cvs 2446: break;
1.39 cvs 2447: case MathML_EL_MUNDEROVER:
2448: /* end of a MUNDEROVER. Create UnderOverBase, Underscript, and
2449: Overscript */
1.56 cvs 2450: ok = CheckMathSubExpressions (el, MathML_EL_UnderOverBase,
2451: MathML_EL_Underscript,
2452: MathML_EL_Overscript, doc);
1.39 cvs 2453: SetIntHorizStretchAttr (el, doc);
2454: SetIntVertStretchAttr (el, doc, MathML_EL_UnderOverBase, NULL);
2455: break;
1.1 cvs 2456: case MathML_EL_MMULTISCRIPTS:
2457: /* end of a MMULTISCRIPTS. Create all elements defined in the
2458: MathML S schema */
2459: BuildMultiscript (el, doc);
1.5 cvs 2460: break;
2461: case MathML_EL_MTABLE:
2462: /* end of a MTABLE. Create all elements defined in the MathML S
2463: schema */
1.64 cvs 2464: CheckMTable (el, doc, TRUE);
1.1 cvs 2465: break;
1.39 cvs 2466: case MathML_EL_MTD:
2467: /* Create placeholders within the table cell */
2468: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.46 cvs 2469: break;
1.39 cvs 2470: case MathML_EL_MACTION:
2471: /* Create placeholders within the MACTION element */
2472: CreatePlaceholders (TtaGetFirstChild (el), doc);
1.1 cvs 2473: break;
2474: default:
2475: break;
2476: }
2477: parent = TtaGetParent (el);
2478: parentType = TtaGetElementType (parent);
2479: if (parentType.ElSSchema != elType.ElSSchema)
2480: /* root of a MathML tree, Create a MathML element if there is no */
2481: if (elType.ElTypeNum != MathML_EL_MathML)
2482: {
2483: elType.ElSSchema = MathMLSSchema;
2484: elType.ElTypeNum = MathML_EL_MathML;
2485: new = TtaNewElement (doc, elType);
2486: TtaInsertSibling (new, el, TRUE, doc);
2487: next = el;
2488: TtaNextSibling (&next);
2489: TtaRemoveTree (el, doc);
2490: TtaInsertFirstChild (&el, new, doc);
2491: prev = el;
2492: while (next != NULL)
2493: {
2494: child = next;
2495: TtaNextSibling (&next);
2496: TtaRemoveTree (child, doc);
2497: TtaInsertSibling (child, prev, FALSE, doc);
2498: prev = child;
2499: }
2500: /* Create placeholders within the MathML element */
2501: CreatePlaceholders (el, doc);
2502: }
2503: }
1.56 cvs 2504: if (!ok)
2505: /* send an error message */
2506: *error = 1;
1.1 cvs 2507: }
2508:
2509: /*----------------------------------------------------------------------
1.24 cvs 2510: SetFontfamily
2511: -----------------------------------------------------------------------*/
2512: #ifdef __STDC__
2513: void SetFontfamily (Document doc, Element el, STRING value)
2514: #else /* __STDC__*/
2515: void SetFontfamily (doc, el, value)
2516: Document doc;
2517: Element el;
2518: STRING value;
2519: #endif /* __STDC__*/
2520: {
2521: #define buflen 50
2522: CHAR_T css_command[buflen+20];
2523:
1.26 cvs 2524: usprintf (css_command, TEXT("font-family: %s"), value);
1.72 cvs 2525: ParseHTMLSpecificStyle (el, css_command, doc, 0, FALSE);
1.24 cvs 2526: }
2527:
2528: /*----------------------------------------------------------------------
1.83 cvs 2529: MathMLlinethickness
2530: The MathML attribute linthickness is associated with element el. Generate
2531: the corresponding style property for this element.
2532: -----------------------------------------------------------------------*/
2533: #ifdef __STDC__
2534: void MathMLlinethickness (Document doc, Element el, STRING value)
2535: #else /* __STDC__*/
2536: void MathMLlinethickness (doc, el, value)
2537: Document doc;
2538: Element el;
2539: STRING value;
2540: #endif /* __STDC__*/
2541: {
2542: #define buflen 50
2543: CHAR_T css_command[buflen+20];
2544:
2545: if (ustrcmp (value, TEXT("thin")) == 0)
2546: ustrcpy (value, TEXT("1pt"));
2547: else if (ustrcmp (value, TEXT("medium")) == 0)
2548: ustrcpy (value, TEXT("1pt"));
2549: else if (ustrcmp (value, TEXT("thick")) == 0)
2550: ustrcpy (value, TEXT("2pt"));
2551: usprintf (css_command, TEXT("stroke-width: %s"), value);
2552: ParseHTMLSpecificStyle (el, css_command, doc, 0, FALSE);
2553: }
2554:
2555: /*----------------------------------------------------------------------
1.58 cvs 2556: MathMLAttrToStyleProperty
2557: The MathML attribute attr is associated with element el. Generate
2558: the corresponding style property for this element.
1.24 cvs 2559: -----------------------------------------------------------------------*/
2560: #ifdef __STDC__
1.58 cvs 2561: void MathMLAttrToStyleProperty (Document doc, Element el, STRING value, int attr)
1.24 cvs 2562: #else /* __STDC__*/
1.58 cvs 2563: void MathMLAttrToStyleProperty (doc, el, value, attr)
1.24 cvs 2564: Document doc;
2565: Element el;
2566: STRING value;
1.58 cvs 2567: int attr;
1.24 cvs 2568: #endif /* __STDC__*/
2569: {
2570: CHAR_T css_command[buflen+20];
1.58 cvs 2571:
2572: switch (attr)
2573: {
2574: case MathML_ATTR_fontsize:
2575: usprintf (css_command, TEXT("font-size: %s"), value);
2576: break;
1.93 cvs 2577: case MathML_ATTR_mathsize:
2578: if (ustrcmp (value, TEXT("small")) == 0)
2579: ustrcpy (value, TEXT("80%"));
2580: else if (ustrcmp (value, TEXT("normal")) == 0)
2581: ustrcpy (value, TEXT("100%"));
2582: else if (ustrcmp (value, TEXT("big")) == 0)
2583: ustrcpy (value, TEXT("125%"));
2584: usprintf (css_command, TEXT("font-size: %s"), value);
2585: break;
1.58 cvs 2586: case MathML_ATTR_lspace:
2587: usprintf (css_command, TEXT("padding-left: %s"), value);
2588: break;
2589: case MathML_ATTR_rspace:
2590: usprintf (css_command, TEXT("padding-right: %s"), value);
2591: break;
2592: }
1.72 cvs 2593: ParseHTMLSpecificStyle (el, css_command, doc, 0, FALSE);
1.24 cvs 2594: }
2595:
2596: /*----------------------------------------------------------------------
1.60 cvs 2597: MathMLSetScriptLevel
2598: A scriptlevel attribute with value value is associated with element el.
2599: Generate the corresponding style property for this element.
2600: -----------------------------------------------------------------------*/
2601: #ifdef __STDC__
2602: void MathMLSetScriptLevel (Document doc, Element el, STRING value)
2603: #else /* __STDC__*/
2604: void MathMLSetScriptLevel (doc, el, value)
2605: Document doc;
2606: Element el;
2607: STRING value;
2608: #endif /* __STDC__*/
2609: {
2610: PresentationValue pval;
2611: PresentationContext ctxt;
2612: ThotBool relative;
2613: int percentage;
2614:
2615: ctxt = TtaGetSpecificStyleContext (doc);
2616: if (!value)
2617: /* remove the presentation rule */
2618: {
2619: ctxt->destroy = TRUE;
1.75 cvs 2620: pval.typed_data.value = 0;
1.60 cvs 2621: TtaSetStylePresentation (PRSize, el, NULL, ctxt, pval);
2622: }
2623: else
2624: {
2625: ctxt->destroy = FALSE;
2626: /* parse the attribute value (an optional sign and an integer) */
2627: value = TtaSkipWCBlanks (value);
2628: relative = (value[0] == '-' || value[0] == '+');
2629: value = ParseCSSUnit (value, &pval);
2630: if (pval.typed_data.unit != STYLE_UNIT_REL &&
2631: pval.typed_data.real)
2632: /* this is an error: it should be an integer without any unit name */
2633: /* error */;
2634: else
2635: {
2636: if (relative)
2637: {
1.63 cvs 2638: percentage = 100;
1.60 cvs 2639: if (pval.typed_data.value == 0)
2640: /* scriptlevel="+0" */
2641: percentage = 100;
2642: else if (pval.typed_data.value == 1)
2643: /* scriptlevel="+1" */
2644: percentage = 71;
2645: else if (pval.typed_data.value == 2)
2646: /* scriptlevel="+2" */
2647: percentage = 50;
2648: else if (pval.typed_data.value >= 3)
2649: /* scriptlevel="+3" or more */
2650: percentage = 35;
2651: else if (pval.typed_data.value == -1)
2652: /* scriptlevel="-1" */
2653: percentage = 141;
2654: else if (pval.typed_data.value == -2)
2655: /* scriptlevel="-2" */
2656: percentage = 200;
2657: else if (pval.typed_data.value <= -3)
2658: /* scriptlevel="-3" or less */
2659: percentage = 282;
2660: pval.typed_data.value = percentage;
2661: pval.typed_data.unit = STYLE_UNIT_PERCENT;
1.78 cvs 2662: /* the specific presentation to be created is not a CSS rule */
2663: ctxt->cssLevel = 0;
1.60 cvs 2664: TtaSetStylePresentation (PRSize, el, NULL, ctxt, pval);
2665: }
2666: else
2667: /* absolute value */
2668: {
2669: /**** ****/;
2670: }
2671: }
2672: }
2673: TtaFreeMemory (ctxt);
2674: }
2675:
2676: /*----------------------------------------------------------------------
2677: MathMLSpacingAttr
2678: The MathML attribute attr (height, width or depth) is associated
2679: with element el (a mspace or mpadding).
2680: If value is not NULL, generate the corresponding Thot presentation rule for
2681: the element.
2682: If value is NULL, remove the corresponding Thot presentation rule.
2683: -----------------------------------------------------------------------*/
2684: #ifdef __STDC__
2685: void MathMLSpacingAttr (Document doc, Element el, STRING value, int attr)
2686: #else /* __STDC__*/
2687: void MathMLSpacingAttr (doc, el, value, attr)
2688: Document doc;
2689: Element el;
2690: STRING value;
2691: int attr;
2692: #endif /* __STDC__*/
2693: {
2694: ElementType elType;
2695: PresentationValue pval;
2696: PresentationContext ctxt;
2697: int ruleType;
2698:
2699: /* provisionally, handles only mspace elements */
2700: elType = TtaGetElementType (el);
1.96 cvs 2701: if (elType.ElTypeNum != MathML_EL_MSPACE &&
1.97 ! cvs 2702: elType.ElTypeNum != MathML_EL_MPADDED &&
! 2703: elType.ElTypeNum != MathML_EL_MTABLE)
1.60 cvs 2704: return;
2705: switch (attr)
2706: {
2707: case MathML_ATTR_width_:
2708: ruleType = PRWidth;
2709: break;
2710: case MathML_ATTR_height_:
2711: ruleType = PRPaddingTop;
2712: break;
2713: case MathML_ATTR_depth_:
2714: ruleType = PRPaddingBottom;
2715: break;
2716: default:
2717: return;
2718: }
2719: ctxt = TtaGetSpecificStyleContext (doc);
1.97 ! cvs 2720: if (!value || (ustrcmp (value, TEXT("auto")) == 0))
1.60 cvs 2721: /* remove the presentation rule */
2722: {
2723: ctxt->destroy = TRUE;
1.75 cvs 2724: pval.typed_data.value = 0;
1.60 cvs 2725: TtaSetStylePresentation (ruleType, el, NULL, ctxt, pval);
2726: }
2727: else
2728: {
2729: ctxt->destroy = FALSE;
2730: /* parse the attribute value (a number followed by a unit) */
2731: value = TtaSkipWCBlanks (value);
2732: value = ParseCSSUnit (value, &pval);
2733: /***** we should accept namedspace for width *****/
2734: if (pval.typed_data.unit != STYLE_UNIT_INVALID)
1.78 cvs 2735: {
2736: /* the specific presentation to be created is not a CSS rule */
2737: ctxt->cssLevel = 0;
2738: TtaSetStylePresentation (ruleType, el, NULL, ctxt, pval);
2739: }
1.60 cvs 2740: }
2741: TtaFreeMemory (ctxt);
2742: }
2743:
2744: /*----------------------------------------------------------------------
1.1 cvs 2745: MathMLAttributeComplete
1.58 cvs 2746: The XML parser has completed parsing attribute attr (as well as its value)
2747: that is associated with element el in document doc.
1.1 cvs 2748: ----------------------------------------------------------------------*/
2749: #ifdef __STDC__
2750: void MathMLAttributeComplete (Attribute attr, Element el, Document doc)
2751: #else
2752: void MathMLAttributeComplete (attr, el, doc)
2753: Attribute attr;
2754: Element el;
2755: Document doc;
2756:
2757: #endif
2758: {
1.23 cvs 2759: AttributeType attrType;
2760: int attrKind;
1.50 cvs 2761: ElementType elType;
1.23 cvs 2762: #define buflen 50
1.33 cvs 2763: STRING value;
1.50 cvs 2764: int val, length;
1.23 cvs 2765:
1.58 cvs 2766: /* first get the type of that attribute */
1.23 cvs 2767: TtaGiveAttributeType (attr, &attrType, &attrKind);
1.54 cvs 2768: if (attrType.AttrTypeNum == MathML_ATTR_bevelled)
1.58 cvs 2769: /* it's a bevelled attribute */
1.50 cvs 2770: {
2771: val = TtaGetAttributeValue (attr);
1.54 cvs 2772: if (val == MathML_ATTR_bevelled_VAL_true)
2773: /* bevelled = true. Transform MFRAC into BevelledMFRAC */
1.50 cvs 2774: {
2775: elType = TtaGetElementType (el);
2776: if (elType.ElTypeNum == MathML_EL_MFRAC)
1.54 cvs 2777: ChangeTypeOfElement (el, doc, MathML_EL_BevelledMFRAC);
1.50 cvs 2778: }
2779: }
2780: else if (attrType.AttrTypeNum == MathML_ATTR_color ||
1.93 cvs 2781: attrType.AttrTypeNum == MathML_ATTR_mathcolor ||
2782: attrType.AttrTypeNum == MathML_ATTR_background_ ||
2783: attrType.AttrTypeNum == MathML_ATTR_mathbackground ||
2784: attrType.AttrTypeNum == MathML_ATTR_fontsize ||
2785: attrType.AttrTypeNum == MathML_ATTR_mathsize ||
2786: attrType.AttrTypeNum == MathML_ATTR_fontfamily ||
2787: attrType.AttrTypeNum == MathML_ATTR_linethickness ||
2788: attrType.AttrTypeNum == MathML_ATTR_lspace ||
2789: attrType.AttrTypeNum == MathML_ATTR_rspace ||
2790: attrType.AttrTypeNum == MathML_ATTR_scriptlevel ||
2791: attrType.AttrTypeNum == MathML_ATTR_width_ ||
2792: attrType.AttrTypeNum == MathML_ATTR_height_ ||
2793: attrType.AttrTypeNum == MathML_ATTR_depth_ )
2794: {
1.23 cvs 2795: length = TtaGetTextAttributeLength (attr);
2796: if (length >= buflen)
2797: length = buflen - 1;
2798: if (length > 0)
2799: {
1.42 cvs 2800: value = TtaAllocString (buflen);
1.33 cvs 2801: value[0] = EOS;
2802: TtaGiveTextAttributeValue (attr, value, &length);
2803: switch (attrType.AttrTypeNum)
2804: {
2805: case MathML_ATTR_color:
1.93 cvs 2806: case MathML_ATTR_mathcolor:
1.24 cvs 2807: HTMLSetForegroundColor (doc, el, value);
2808: break;
1.33 cvs 2809: case MathML_ATTR_background_:
1.93 cvs 2810: case MathML_ATTR_mathbackground:
1.24 cvs 2811: HTMLSetBackgroundColor (doc, el, value);
2812: break;
1.33 cvs 2813: case MathML_ATTR_fontfamily:
1.24 cvs 2814: SetFontfamily (doc, el, value);
1.83 cvs 2815: break;
2816: case MathML_ATTR_linethickness:
2817: MathMLlinethickness (doc, el, value);
1.58 cvs 2818: break;
2819: case MathML_ATTR_fontsize:
1.93 cvs 2820: case MathML_ATTR_mathsize:
1.58 cvs 2821: case MathML_ATTR_lspace:
2822: case MathML_ATTR_rspace:
1.60 cvs 2823: MathMLAttrToStyleProperty (doc, el, value,attrType.AttrTypeNum);
2824: break;
2825: case MathML_ATTR_scriptlevel:
2826: MathMLSetScriptLevel (doc, el, value);
2827: break;
2828: case MathML_ATTR_width_:
2829: case MathML_ATTR_height_:
2830: case MathML_ATTR_depth_:
2831: MathMLSpacingAttr (doc, el, value, attrType.AttrTypeNum);
1.59 cvs 2832: break;
2833: default:
1.24 cvs 2834: break;
1.33 cvs 2835: }
2836: TtaFreeMemory (value);
1.23 cvs 2837: }
2838: }
1.1 cvs 2839: }
2840:
2841: /*----------------------------------------------------------------------
2842: MathMLGetDTDName
2843: ----------------------------------------------------------------------*/
2844: #ifdef __STDC__
1.14 cvs 2845: void MathMLGetDTDName (STRING DTDname, STRING elementName)
1.1 cvs 2846: #else
2847: void MathMLGetDTDName (DTDname, elementName)
1.14 cvs 2848: STRING DTDname;
2849: STRING elementName;
1.1 cvs 2850:
2851: #endif
2852: {
2853: /* no other DTD allowed within MathML elements */
1.49 cvs 2854: ustrcpy (DTDname, TEXT(""));
1.1 cvs 2855: }
2856:
2857: /* end of module */
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