version 1.31, 2011/07/23 09:47:25 |
version 1.38, 2011/07/25 15:37:00 |
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EQNSYM__MAX |
EQNSYM__MAX |
}; |
}; |
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enum eqnpartt { |
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EQN_DEFINE = 0, |
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EQN_NDEFINE, |
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EQN_TDEFINE, |
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EQN_SET, |
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EQN_UNDEF, |
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EQN_GFONT, |
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EQN_GSIZE, |
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EQN_BACK, |
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EQN_FWD, |
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EQN_UP, |
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EQN_DOWN, |
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EQN__MAX |
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}; |
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struct eqnstr { |
struct eqnstr { |
const char *name; |
const char *name; |
size_t sz; |
size_t sz; |
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const char *sym; |
const char *sym; |
}; |
}; |
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enum eqnpartt { |
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EQN_DEFINE = 0, |
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EQN_SET, |
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EQN_UNDEF, |
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EQN_GFONT, |
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EQN_GSIZE, |
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EQN__MAX |
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}; |
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static enum eqn_rest eqn_box(struct eqn_node *, struct eqn_box *); |
static enum eqn_rest eqn_box(struct eqn_node *, struct eqn_box *); |
static struct eqn_box *eqn_box_alloc(struct eqn_node *, |
static struct eqn_box *eqn_box_alloc(struct eqn_node *, |
Line 140 static struct eqn_def *eqn_def_find(struct eqn_node *, |
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Line 147 static struct eqn_def *eqn_def_find(struct eqn_node *, |
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static int eqn_do_gfont(struct eqn_node *); |
static int eqn_do_gfont(struct eqn_node *); |
static int eqn_do_gsize(struct eqn_node *); |
static int eqn_do_gsize(struct eqn_node *); |
static int eqn_do_define(struct eqn_node *); |
static int eqn_do_define(struct eqn_node *); |
static int eqn_do_set(struct eqn_node *); |
static int eqn_do_ign1(struct eqn_node *); |
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static int eqn_do_ign2(struct eqn_node *); |
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static int eqn_do_tdefine(struct eqn_node *); |
static int eqn_do_undef(struct eqn_node *); |
static int eqn_do_undef(struct eqn_node *); |
static enum eqn_rest eqn_eqn(struct eqn_node *, struct eqn_box *); |
static enum eqn_rest eqn_eqn(struct eqn_node *, struct eqn_box *); |
static enum eqn_rest eqn_list(struct eqn_node *, struct eqn_box *); |
static enum eqn_rest eqn_list(struct eqn_node *, struct eqn_box *); |
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static enum eqn_rest eqn_matrix(struct eqn_node *, struct eqn_box *); |
static const char *eqn_nexttok(struct eqn_node *, size_t *); |
static const char *eqn_nexttok(struct eqn_node *, size_t *); |
static const char *eqn_nextrawtok(struct eqn_node *, size_t *); |
static const char *eqn_nextrawtok(struct eqn_node *, size_t *); |
static const char *eqn_next(struct eqn_node *, |
static const char *eqn_next(struct eqn_node *, |
Line 152 static void eqn_rewind(struct eqn_node *); |
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Line 162 static void eqn_rewind(struct eqn_node *); |
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static const struct eqnpart eqnparts[EQN__MAX] = { |
static const struct eqnpart eqnparts[EQN__MAX] = { |
{ { "define", 6 }, eqn_do_define }, /* EQN_DEFINE */ |
{ { "define", 6 }, eqn_do_define }, /* EQN_DEFINE */ |
{ { "set", 3 }, eqn_do_set }, /* EQN_SET */ |
{ { "ndefine", 7 }, eqn_do_define }, /* EQN_NDEFINE */ |
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{ { "tdefine", 7 }, eqn_do_tdefine }, /* EQN_TDEFINE */ |
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{ { "set", 3 }, eqn_do_ign2 }, /* EQN_SET */ |
{ { "undef", 5 }, eqn_do_undef }, /* EQN_UNDEF */ |
{ { "undef", 5 }, eqn_do_undef }, /* EQN_UNDEF */ |
{ { "gfont", 5 }, eqn_do_gfont }, /* EQN_GFONT */ |
{ { "gfont", 5 }, eqn_do_gfont }, /* EQN_GFONT */ |
{ { "gsize", 5 }, eqn_do_gsize }, /* EQN_GSIZE */ |
{ { "gsize", 5 }, eqn_do_gsize }, /* EQN_GSIZE */ |
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{ { "back", 4 }, eqn_do_ign1 }, /* EQN_BACK */ |
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{ { "fwd", 3 }, eqn_do_ign1 }, /* EQN_FWD */ |
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{ { "up", 2 }, eqn_do_ign1 }, /* EQN_UP */ |
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{ { "down", 4 }, eqn_do_ign1 }, /* EQN_DOWN */ |
}; |
}; |
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static const struct eqnstr eqnmarks[EQNMARK__MAX] = { |
static const struct eqnstr eqnmarks[EQNMARK__MAX] = { |
Line 174 static const struct eqnstr eqnfonts[EQNFONT__MAX] = { |
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Line 190 static const struct eqnstr eqnfonts[EQNFONT__MAX] = { |
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{ "", 0 }, /* EQNFONT_NONE */ |
{ "", 0 }, /* EQNFONT_NONE */ |
{ "roman", 5 }, /* EQNFONT_ROMAN */ |
{ "roman", 5 }, /* EQNFONT_ROMAN */ |
{ "bold", 4 }, /* EQNFONT_BOLD */ |
{ "bold", 4 }, /* EQNFONT_BOLD */ |
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{ "fat", 3 }, /* EQNFONT_FAT */ |
{ "italic", 6 }, /* EQNFONT_ITALIC */ |
{ "italic", 6 }, /* EQNFONT_ITALIC */ |
}; |
}; |
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Line 188 static const struct eqnstr eqnposs[EQNPOS__MAX] = { |
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Line 205 static const struct eqnstr eqnposs[EQNPOS__MAX] = { |
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static const struct eqnstr eqnpiles[EQNPILE__MAX] = { |
static const struct eqnstr eqnpiles[EQNPILE__MAX] = { |
{ "", 0 }, /* EQNPILE_NONE */ |
{ "", 0 }, /* EQNPILE_NONE */ |
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{ "pile", 4 }, /* EQNPILE_PILE */ |
{ "cpile", 5 }, /* EQNPILE_CPILE */ |
{ "cpile", 5 }, /* EQNPILE_CPILE */ |
{ "rpile", 5 }, /* EQNPILE_RPILE */ |
{ "rpile", 5 }, /* EQNPILE_RPILE */ |
{ "lpile", 5 }, /* EQNPILE_LPILE */ |
{ "lpile", 5 }, /* EQNPILE_LPILE */ |
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{ "col", 3 }, /* EQNPILE_COL */ |
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{ "ccol", 4 }, /* EQNPILE_CCOL */ |
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{ "rcol", 4 }, /* EQNPILE_RCOL */ |
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{ "lcol", 4 }, /* EQNPILE_LCOL */ |
}; |
}; |
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static const struct eqnsym eqnsyms[EQNSYM__MAX] = { |
static const struct eqnsym eqnsyms[EQNSYM__MAX] = { |
Line 271 eqn_read(struct eqn_node **epp, int ln, |
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Line 293 eqn_read(struct eqn_node **epp, int ln, |
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* validate the full equation. |
* validate the full equation. |
*/ |
*/ |
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if (0 == strcmp(p, ".EN")) { |
if (0 == strncmp(p, ".EN", 3)) { |
er = eqn_end(ep); |
er = eqn_end(epp); |
*epp = NULL; |
p += 3; |
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while (' ' == *p || '\t' == *p) |
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p++; |
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if ('\0' == *p) |
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return(er); |
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mandoc_msg(MANDOCERR_ARGSLOST, ep->parse, ln, pos, NULL); |
return(er); |
return(er); |
} |
} |
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Line 297 eqn_read(struct eqn_node **epp, int ln, |
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Line 324 eqn_read(struct eqn_node **epp, int ln, |
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} |
} |
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struct eqn_node * |
struct eqn_node * |
eqn_alloc(int pos, int line, struct mparse *parse) |
eqn_alloc(const char *name, int pos, int line, struct mparse *parse) |
{ |
{ |
struct eqn_node *p; |
struct eqn_node *p; |
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size_t sz; |
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const char *end; |
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p = mandoc_calloc(1, sizeof(struct eqn_node)); |
p = mandoc_calloc(1, sizeof(struct eqn_node)); |
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if (name && '\0' != *name) { |
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sz = strlen(name); |
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assert(sz); |
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do { |
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sz--; |
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end = name + (int)sz; |
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} while (' ' == *end || '\t' == *end); |
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p->eqn.name = mandoc_strndup(name, sz + 1); |
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} |
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p->parse = parse; |
p->parse = parse; |
p->eqn.ln = line; |
p->eqn.ln = line; |
p->eqn.pos = pos; |
p->eqn.pos = pos; |
Line 311 eqn_alloc(int pos, int line, struct mparse *parse) |
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Line 351 eqn_alloc(int pos, int line, struct mparse *parse) |
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} |
} |
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enum rofferr |
enum rofferr |
eqn_end(struct eqn_node *ep) |
eqn_end(struct eqn_node **epp) |
{ |
{ |
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struct eqn_node *ep; |
struct eqn_box *root; |
struct eqn_box *root; |
enum eqn_rest c; |
enum eqn_rest c; |
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ep = *epp; |
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*epp = NULL; |
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ep->eqn.root = mandoc_calloc(1, sizeof(struct eqn_box)); |
ep->eqn.root = mandoc_calloc(1, sizeof(struct eqn_box)); |
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root = ep->eqn.root; |
root = ep->eqn.root; |
Line 348 eqn_eqn(struct eqn_node *ep, struct eqn_box *last) |
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Line 392 eqn_eqn(struct eqn_node *ep, struct eqn_box *last) |
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} |
} |
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static enum eqn_rest |
static enum eqn_rest |
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eqn_matrix(struct eqn_node *ep, struct eqn_box *last) |
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{ |
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struct eqn_box *bp; |
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const char *start; |
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size_t sz; |
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enum eqn_rest c; |
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bp = eqn_box_alloc(ep, last); |
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bp->type = EQN_MATRIX; |
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if (NULL == (start = eqn_nexttok(ep, &sz))) { |
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EQN_MSG(MANDOCERR_EQNEOF, ep); |
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return(EQN_ERR); |
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} |
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if ( ! STRNEQ(start, sz, "{", 1)) { |
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EQN_MSG(MANDOCERR_EQNSYNT, ep); |
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return(EQN_ERR); |
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} |
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while (EQN_OK == (c = eqn_box(ep, bp))) |
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switch (bp->last->pile) { |
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case (EQNPILE_LCOL): |
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/* FALLTHROUGH */ |
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case (EQNPILE_CCOL): |
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/* FALLTHROUGH */ |
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case (EQNPILE_RCOL): |
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continue; |
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default: |
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EQN_MSG(MANDOCERR_EQNSYNT, ep); |
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return(EQN_ERR); |
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}; |
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if (EQN_DESCOPE != c) { |
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if (EQN_EOF == c) |
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EQN_MSG(MANDOCERR_EQNEOF, ep); |
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return(EQN_ERR); |
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} |
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eqn_rewind(ep); |
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start = eqn_nexttok(ep, &sz); |
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assert(start); |
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if (STRNEQ(start, sz, "}", 1)) |
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return(EQN_OK); |
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EQN_MSG(MANDOCERR_EQNBADSCOPE, ep); |
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return(EQN_ERR); |
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} |
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static enum eqn_rest |
eqn_list(struct eqn_node *ep, struct eqn_box *last) |
eqn_list(struct eqn_node *ep, struct eqn_box *last) |
{ |
{ |
struct eqn_box *bp; |
struct eqn_box *bp; |
Line 373 eqn_list(struct eqn_node *ep, struct eqn_box *last) |
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Line 466 eqn_list(struct eqn_node *ep, struct eqn_box *last) |
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assert(start); |
assert(start); |
if ( ! STRNEQ(start, sz, "above", 5)) |
if ( ! STRNEQ(start, sz, "above", 5)) |
break; |
break; |
bp->last->above = 1; |
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} |
} |
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if (EQN_DESCOPE != c) { |
if (EQN_DESCOPE != c) { |
Line 412 eqn_box(struct eqn_node *ep, struct eqn_box *last) |
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Line 504 eqn_box(struct eqn_node *ep, struct eqn_box *last) |
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return(EQN_DESCOPE); |
return(EQN_DESCOPE); |
else if (STRNEQ(start, sz, "above", 5)) |
else if (STRNEQ(start, sz, "above", 5)) |
return(EQN_DESCOPE); |
return(EQN_DESCOPE); |
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else if (STRNEQ(start, sz, "mark", 4)) |
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return(EQN_OK); |
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else if (STRNEQ(start, sz, "lineup", 6)) |
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return(EQN_OK); |
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for (i = 0; i < (int)EQN__MAX; i++) { |
for (i = 0; i < (int)EQN__MAX; i++) { |
if ( ! EQNSTREQ(&eqnparts[i].str, start, sz)) |
if ( ! EQNSTREQ(&eqnparts[i].str, start, sz)) |
continue; |
continue; |
return((*eqnparts[i].fp)(ep) ? EQN_OK : EQN_ERR); |
return((*eqnparts[i].fp)(ep) ? |
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EQN_OK : EQN_ERR); |
} |
} |
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if (STRNEQ(start, sz, "{", 1)) { |
if (STRNEQ(start, sz, "{", 1)) { |
Line 442 eqn_box(struct eqn_node *ep, struct eqn_box *last) |
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Line 539 eqn_box(struct eqn_node *ep, struct eqn_box *last) |
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return(c); |
return(c); |
} |
} |
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if (STRNEQ(start, sz, "matrix", 6)) |
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return(eqn_matrix(ep, last)); |
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if (STRNEQ(start, sz, "left", 4)) { |
if (STRNEQ(start, sz, "left", 4)) { |
if (NULL == (start = eqn_nexttok(ep, &sz))) { |
if (NULL == (start = eqn_nexttok(ep, &sz))) { |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
Line 550 eqn_free(struct eqn_node *p) |
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Line 650 eqn_free(struct eqn_node *p) |
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free(p->defs[i].val); |
free(p->defs[i].val); |
} |
} |
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free(p->eqn.name); |
free(p->data); |
free(p->data); |
free(p->defs); |
free(p->defs); |
free(p); |
free(p); |
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/* Prevent self-definitions. */ |
/* Prevent self-definitions. */ |
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if (lim >= EQN_NEST_MAX) { |
if (lim >= EQN_NEST_MAX) { |
EQN_MSG(MANDOCERR_EQNNEST, ep); |
EQN_MSG(MANDOCERR_ROFFLOOP, ep); |
return(NULL); |
return(NULL); |
} |
} |
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} |
} |
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static int |
static int |
eqn_do_set(struct eqn_node *ep) |
eqn_do_ign1(struct eqn_node *ep) |
{ |
{ |
const char *start; |
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if (NULL == (start = eqn_nextrawtok(ep, NULL))) |
if (NULL == eqn_nextrawtok(ep, NULL)) |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
else if (NULL == (start = eqn_nextrawtok(ep, NULL))) |
else |
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return(1); |
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return(0); |
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} |
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static int |
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eqn_do_ign2(struct eqn_node *ep) |
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{ |
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if (NULL == eqn_nextrawtok(ep, NULL)) |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
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else if (NULL == eqn_nextrawtok(ep, NULL)) |
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EQN_MSG(MANDOCERR_EQNEOF, ep); |
else |
else |
return(1); |
return(1); |
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Line 714 eqn_do_set(struct eqn_node *ep) |
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Line 826 eqn_do_set(struct eqn_node *ep) |
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} |
} |
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static int |
static int |
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eqn_do_tdefine(struct eqn_node *ep) |
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{ |
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if (NULL == eqn_nextrawtok(ep, NULL)) |
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EQN_MSG(MANDOCERR_EQNEOF, ep); |
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else if (NULL == eqn_next(ep, ep->data[(int)ep->cur], NULL, 0)) |
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EQN_MSG(MANDOCERR_EQNEOF, ep); |
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else |
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return(1); |
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return(0); |
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} |
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static int |
eqn_do_define(struct eqn_node *ep) |
eqn_do_define(struct eqn_node *ep) |
{ |
{ |
const char *start; |
const char *start; |
Line 771 eqn_do_define(struct eqn_node *ep) |
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Line 897 eqn_do_define(struct eqn_node *ep) |
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static int |
static int |
eqn_do_gfont(struct eqn_node *ep) |
eqn_do_gfont(struct eqn_node *ep) |
{ |
{ |
const char *start; |
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if (NULL == (start = eqn_nextrawtok(ep, NULL))) { |
if (NULL == eqn_nextrawtok(ep, NULL)) { |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
return(0); |
return(0); |
} |
} |
Line 790 eqn_do_gsize(struct eqn_node *ep) |
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Line 915 eqn_do_gsize(struct eqn_node *ep) |
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EQN_MSG(MANDOCERR_EQNEOF, ep); |
EQN_MSG(MANDOCERR_EQNEOF, ep); |
return(0); |
return(0); |
} |
} |
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ep->gsize = mandoc_strntoi(start, sz, 10); |
ep->gsize = mandoc_strntoi(start, sz, 10); |
return(1); |
return(1); |
} |
} |