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/* Copyright (c) 1994 Regents of the University of California */ |
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/* Copyright (c) 1995 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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int (*mg_ehand[MG_NENTITIES])(); |
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|
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/* Handler routine for unknown entities */ |
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|
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int (*mg_uhand)() = mg_defuhand; |
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|
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unsigned mg_nunknown; /* count of unknown entities */ |
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|
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/* error messages */ |
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|
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char *mg_err[MG_NERRS] = MG_ERRLIST; |
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mg_ehand[MG_E_INCLUDE] = e_include; |
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if (mg_ehand[MG_E_SPH] == NULL) { |
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mg_ehand[MG_E_SPH] = e_sph; |
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ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
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uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_CYL] == NULL) { |
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mg_ehand[MG_E_CYL] = e_cyl; |
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ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
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uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_CONE] == NULL) { |
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mg_ehand[MG_E_CONE] = e_cone; |
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ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
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uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_RING] == NULL) { |
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mg_ehand[MG_E_RING] = e_ring; |
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ineed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX; |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX; |
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} else |
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uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_PRISM] == NULL) { |
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mg_ehand[MG_E_PRISM] = e_prism; |
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ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
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uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_TORUS] == NULL) { |
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mg_ehand[MG_E_TORUS] = e_torus; |
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ineed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX; |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX; |
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} else |
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uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_COLOR] != NULL) { |
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if (mg_ehand[MG_E_CMIX] == NULL) { |
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mg_ehand[MG_E_CMIX] = e_cmix; |
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ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX|1<<MG_E_CCT; |
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ineed |= 1L<<MG_E_COLOR|1L<<MG_E_CXY|1L<<MG_E_CSPEC|1L<<MG_E_CMIX|1L<<MG_E_CCT; |
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} |
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if (mg_ehand[MG_E_CSPEC] == NULL) { |
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mg_ehand[MG_E_CSPEC] = e_cspec; |
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ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX|1<<MG_E_CCT; |
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ineed |= 1L<<MG_E_COLOR|1L<<MG_E_CXY|1L<<MG_E_CSPEC|1L<<MG_E_CMIX|1L<<MG_E_CCT; |
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} |
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if (mg_ehand[MG_E_CCT] == NULL) { |
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mg_ehand[MG_E_CCT] = e_cct; |
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ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX|1<<MG_E_CCT; |
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ineed |= 1L<<MG_E_COLOR|1L<<MG_E_CXY|1L<<MG_E_CSPEC|1L<<MG_E_CMIX|1L<<MG_E_CCT; |
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} |
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} |
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/* check for consistency */ |
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if (mg_ehand[MG_E_FACE] != NULL) |
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uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_CXY] != NULL || mg_ehand[MG_E_CSPEC] != NULL || |
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mg_ehand[MG_E_CMIX] != NULL) |
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uneed |= 1<<MG_E_COLOR; |
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uneed |= 1L<<MG_E_COLOR; |
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if (mg_ehand[MG_E_RD] != NULL || mg_ehand[MG_E_TD] != NULL || |
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mg_ehand[MG_E_IR] != NULL || |
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mg_ehand[MG_E_ED] != NULL || |
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mg_ehand[MG_E_RS] != NULL || |
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mg_ehand[MG_E_TS] != NULL || |
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mg_ehand[MG_E_SIDES] != NULL) |
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uneed |= 1<<MG_E_MATERIAL; |
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uneed |= 1L<<MG_E_MATERIAL; |
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for (i = 0; i < MG_NENTITIES; i++) |
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if (uneed & 1<<i && mg_ehand[i] == NULL) { |
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if (uneed & 1L<<i && mg_ehand[i] == NULL) { |
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fprintf(stderr, "Missing support for \"%s\" entity\n", |
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mg_ename[i]); |
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exit(1); |
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} |
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/* add support as needed */ |
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if (ineed & 1<<MG_E_VERTEX && mg_ehand[MG_E_VERTEX] != c_hvertex) |
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if (ineed & 1L<<MG_E_VERTEX && mg_ehand[MG_E_VERTEX] != c_hvertex) |
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e_supp[MG_E_VERTEX] = c_hvertex; |
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if (ineed & 1<<MG_E_POINT && mg_ehand[MG_E_POINT] != c_hvertex) |
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if (ineed & 1L<<MG_E_POINT && mg_ehand[MG_E_POINT] != c_hvertex) |
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e_supp[MG_E_POINT] = c_hvertex; |
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if (ineed & 1<<MG_E_NORMAL && mg_ehand[MG_E_NORMAL] != c_hvertex) |
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if (ineed & 1L<<MG_E_NORMAL && mg_ehand[MG_E_NORMAL] != c_hvertex) |
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e_supp[MG_E_NORMAL] = c_hvertex; |
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if (ineed & 1<<MG_E_COLOR && mg_ehand[MG_E_COLOR] != c_hcolor) |
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if (ineed & 1L<<MG_E_COLOR && mg_ehand[MG_E_COLOR] != c_hcolor) |
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e_supp[MG_E_COLOR] = c_hcolor; |
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if (ineed & 1<<MG_E_CXY && mg_ehand[MG_E_CXY] != c_hcolor) |
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if (ineed & 1L<<MG_E_CXY && mg_ehand[MG_E_CXY] != c_hcolor) |
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e_supp[MG_E_CXY] = c_hcolor; |
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if (ineed & 1<<MG_E_CSPEC && mg_ehand[MG_E_CSPEC] != c_hcolor) |
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if (ineed & 1L<<MG_E_CSPEC && mg_ehand[MG_E_CSPEC] != c_hcolor) |
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e_supp[MG_E_CSPEC] = c_hcolor; |
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if (ineed & 1<<MG_E_CMIX && mg_ehand[MG_E_CMIX] != c_hcolor) |
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if (ineed & 1L<<MG_E_CMIX && mg_ehand[MG_E_CMIX] != c_hcolor) |
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e_supp[MG_E_CMIX] = c_hcolor; |
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if (ineed & 1<<MG_E_CCT && mg_ehand[MG_E_CCT] != c_hcolor) |
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if (ineed & 1L<<MG_E_CCT && mg_ehand[MG_E_CCT] != c_hcolor) |
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e_supp[MG_E_CCT] = c_hcolor; |
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/* discard remaining entities */ |
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for (i = 0; i < MG_NENTITIES; i++) |
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{ |
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int rv; |
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if (en < 0 && (en = mg_entity(av[0])) < 0) |
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if (en < 0 && (en = mg_entity(av[0])) < 0) { /* unknown entity */ |
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if (mg_uhand != NULL) |
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return((*mg_uhand)(ac, av)); |
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return(MG_EUNK); |
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if (e_supp[en] != NULL) { |
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} |
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if (e_supp[en] != NULL) { /* support handler */ |
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if ((rv = (*e_supp[en])(ac, av)) != MG_OK) |
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return(rv); |
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} |
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return((*mg_ehand[en])(ac, av)); |
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return((*mg_ehand[en])(ac, av)); /* assigned handler */ |
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} |
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char *fn; |
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{ |
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static int nfids; |
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int olen; |
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register char *cp; |
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ctx->fid = ++nfids; |
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return(MG_OK); |
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} |
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/* get name relative to this context */ |
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if (mg_file != NULL && |
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(cp = strrchr(mg_file->fname, '/')) != NULL) |
236 |
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olen = cp - mg_file->fname + 1; |
237 |
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else |
238 |
< |
olen = 0; |
239 |
< |
if (olen) |
243 |
> |
if (mg_file != NULL && (cp = strrchr(mg_file->fname, '/')) != NULL) { |
244 |
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strcpy(ctx->fname, mg_file->fname); |
245 |
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strcpy(ctx->fname+olen, fn); |
245 |
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strcpy(ctx->fname+(cp-mg_file->fname+1), fn); |
246 |
> |
} else |
247 |
> |
strcpy(ctx->fname, fn); |
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ctx->fp = fopen(ctx->fname, "r"); |
249 |
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if (ctx->fp == NULL) |
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return(MG_ENOFILE); |
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{ |
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MG_FCTXT cntxt; |
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int rval; |
352 |
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register int nbr; |
353 |
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|
354 |
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if ((rval = mg_open(&cntxt, fn)) != MG_OK) { |
355 |
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fprintf(stderr, "%s: %s\n", fn, mg_err[rval]); |
356 |
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return(rval); |
357 |
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} |
358 |
< |
while (mg_read()) /* parse each line */ |
358 |
> |
while ((nbr = mg_read()) > 0) { /* parse each line */ |
359 |
> |
if (nbr >= MG_MAXLINE-1 && cntxt.inpline[nbr-1] != '\n') { |
360 |
> |
fprintf(stderr, "%s: %d: %s\n", cntxt.fname, |
361 |
> |
cntxt.lineno, mg_err[rval=MG_ELINE]); |
362 |
> |
break; |
363 |
> |
} |
364 |
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if ((rval = mg_parse()) != MG_OK) { |
365 |
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fprintf(stderr, "%s: %d: %s:\n%s", cntxt.fname, |
366 |
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cntxt.lineno, mg_err[rval], |
367 |
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cntxt.inpline); |
368 |
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break; |
369 |
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} |
370 |
+ |
} |
371 |
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mg_close(); |
372 |
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return(rval); |
373 |
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} |
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376 |
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int |
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mg_defuhand(ac, av) /* default handler for unknown entities */ |
378 |
+ |
int ac; |
379 |
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char **av; |
380 |
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{ |
381 |
+ |
if (mg_nunknown++ == 0) /* report first incident */ |
382 |
+ |
fprintf(stderr, "%s: %d: %s: %s\n", mg_file->fname, |
383 |
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mg_file->lineno, mg_err[MG_EUNK], av[0]); |
384 |
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return(MG_OK); |
385 |
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} |
386 |
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|
387 |
+ |
|
388 |
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void |
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mg_clear() /* clear parser history */ |
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{ |
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{ |
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char *xfarg[MG_MAXARGC]; |
416 |
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MG_FCTXT ictx; |
417 |
< |
int rv; |
417 |
> |
XF_SPEC *xf_orig = xf_context; |
418 |
> |
register int rv; |
419 |
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|
420 |
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if (ac < 2) |
421 |
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return(MG_EARGC); |
428 |
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for (i = 1; i < ac-1; i++) |
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xfarg[i] = av[i+1]; |
430 |
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xfarg[ac-1] = NULL; |
431 |
< |
if ((rv = mg_handle(MG_E_XF, ac-1, xfarg)) != MG_OK) |
431 |
> |
if ((rv = mg_handle(MG_E_XF, ac-1, xfarg)) != MG_OK) { |
432 |
> |
mg_close(); |
433 |
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return(rv); |
434 |
+ |
} |
435 |
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} |
436 |
< |
while (!feof(mg_file->fp)) { |
437 |
< |
while (mg_read()) |
436 |
> |
do { |
437 |
> |
while ((rv = mg_read()) > 0) { |
438 |
> |
if (rv >= MG_MAXLINE-1 && ictx.inpline[rv-1] != '\n') { |
439 |
> |
fprintf(stderr, "%s: %d: %s\n", ictx.fname, |
440 |
> |
ictx.lineno, mg_err[MG_ELINE]); |
441 |
> |
mg_close(); |
442 |
> |
return(MG_EINCL); |
443 |
> |
} |
444 |
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if ((rv = mg_parse()) != MG_OK) { |
445 |
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fprintf(stderr, "%s: %d: %s:\n%s", ictx.fname, |
446 |
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ictx.lineno, mg_err[rv], |
448 |
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mg_close(); |
449 |
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return(MG_EINCL); |
450 |
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} |
451 |
+ |
} |
452 |
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if (ac > 2) |
453 |
< |
if ((rv = mg_handle(MG_E_XF, 1, xfarg)) != MG_OK) |
453 |
> |
if ((rv = mg_handle(MG_E_XF, 1, xfarg)) != MG_OK) { |
454 |
> |
mg_close(); |
455 |
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return(rv); |
456 |
< |
} |
456 |
> |
} |
457 |
> |
} while (xf_context != xf_orig); |
458 |
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mg_close(); |
459 |
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return(MG_OK); |
460 |
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} |
751 |
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static char *p4ent[5] = {mg_ename[MG_E_POINT],p4[0],p4[1],p4[2]}; |
752 |
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static char *n4ent[5] = {mg_ename[MG_E_NORMAL],n4[0],n4[1],n4[2]}; |
753 |
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static char *fent[6] = {mg_ename[MG_E_FACE],"_cv1","_cv2","_cv3","_cv4"}; |
754 |
+ |
char *v1n; |
755 |
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register C_VERTEX *cv1, *cv2; |
756 |
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register int i, j; |
757 |
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FVECT u, v, w; |
767 |
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if ((cv1 = c_getvert(av[1])) == NULL || |
768 |
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(cv2 = c_getvert(av[3])) == NULL) |
769 |
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return(MG_EUNDEF); |
770 |
+ |
v1n = av[1]; |
771 |
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if (!isflt(av[2]) || !isflt(av[4])) |
772 |
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return(MG_ETYPE); |
773 |
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rad1 = atof(av[2]); |
786 |
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cv = cv1; |
787 |
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cv1 = cv2; |
788 |
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cv2 = cv; |
789 |
+ |
v1n = av[3]; |
790 |
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d = rad1; |
791 |
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rad1 = rad2; |
792 |
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rad2 = d; |
820 |
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if ((rv = mg_handle(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
821 |
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return(rv); |
822 |
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if (rad1 == 0.) { /* triangles */ |
823 |
< |
v1ent[3] = av[1]; |
823 |
> |
v1ent[3] = v1n; |
824 |
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if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
825 |
|
return(rv); |
826 |
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for (j = 0; j < 3; j++) |