version 1.245, 2014/12/25 17:23:32 |
version 1.266, 2015/04/19 13:50:26 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
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#include "roff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
#include "libroff.h" |
#include "libroff.h" |
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#include "libmdoc.h" |
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/* Maximum number of nested if-else conditionals. */ |
/* Maximum number of nested if-else conditionals. */ |
#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
/* Maximum number of string expansions per line, to break infinite loops. */ |
#define EXPAND_LIMIT 1000 |
#define EXPAND_LIMIT 1000 |
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/* --- data types --------------------------------------------------------- */ |
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enum rofft { |
enum rofft { |
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ROFF_ab, |
ROFF_ad, |
ROFF_ad, |
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ROFF_af, |
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ROFF_aln, |
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ROFF_als, |
ROFF_am, |
ROFF_am, |
ROFF_ami, |
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ROFF_am1, |
ROFF_am1, |
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ROFF_ami, |
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ROFF_ami1, |
ROFF_as, |
ROFF_as, |
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ROFF_as1, |
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ROFF_asciify, |
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ROFF_backtrace, |
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ROFF_bd, |
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ROFF_bleedat, |
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ROFF_blm, |
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ROFF_box, |
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ROFF_boxa, |
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ROFF_bp, |
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ROFF_BP, |
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/* MAN_br, MDOC_br */ |
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ROFF_break, |
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ROFF_breakchar, |
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ROFF_brnl, |
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ROFF_brp, |
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ROFF_brpnl, |
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ROFF_c2, |
ROFF_cc, |
ROFF_cc, |
ROFF_ce, |
ROFF_ce, |
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ROFF_cf, |
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ROFF_cflags, |
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ROFF_ch, |
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ROFF_char, |
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ROFF_chop, |
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ROFF_class, |
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ROFF_close, |
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ROFF_CL, |
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ROFF_color, |
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ROFF_composite, |
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ROFF_continue, |
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ROFF_cp, |
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ROFF_cropat, |
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ROFF_cs, |
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ROFF_cu, |
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ROFF_da, |
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ROFF_dch, |
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ROFF_Dd, |
ROFF_de, |
ROFF_de, |
ROFF_dei, |
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ROFF_de1, |
ROFF_de1, |
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ROFF_defcolor, |
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ROFF_dei, |
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ROFF_dei1, |
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ROFF_device, |
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ROFF_devicem, |
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ROFF_di, |
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ROFF_do, |
ROFF_ds, |
ROFF_ds, |
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ROFF_ds1, |
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ROFF_dwh, |
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ROFF_dt, |
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ROFF_ec, |
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ROFF_ecr, |
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ROFF_ecs, |
ROFF_el, |
ROFF_el, |
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ROFF_em, |
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ROFF_EN, |
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ROFF_eo, |
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ROFF_EP, |
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ROFF_EQ, |
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ROFF_errprint, |
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ROFF_ev, |
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ROFF_evc, |
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ROFF_ex, |
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ROFF_fallback, |
ROFF_fam, |
ROFF_fam, |
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ROFF_fc, |
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ROFF_fchar, |
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ROFF_fcolor, |
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ROFF_fdeferlig, |
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ROFF_feature, |
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/* MAN_fi; ignored in mdoc(7) */ |
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ROFF_fkern, |
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ROFF_fl, |
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ROFF_flig, |
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ROFF_fp, |
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ROFF_fps, |
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ROFF_fschar, |
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ROFF_fspacewidth, |
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ROFF_fspecial, |
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/* MAN_ft; ignored in mdoc(7) */ |
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ROFF_ftr, |
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ROFF_fzoom, |
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ROFF_gcolor, |
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ROFF_hc, |
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ROFF_hcode, |
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ROFF_hidechar, |
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ROFF_hla, |
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ROFF_hlm, |
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ROFF_hpf, |
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ROFF_hpfa, |
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ROFF_hpfcode, |
ROFF_hw, |
ROFF_hw, |
ROFF_hy, |
ROFF_hy, |
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ROFF_hylang, |
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ROFF_hylen, |
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ROFF_hym, |
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ROFF_hypp, |
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ROFF_hys, |
ROFF_ie, |
ROFF_ie, |
ROFF_if, |
ROFF_if, |
ROFF_ig, |
ROFF_ig, |
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/* MAN_in; ignored in mdoc(7) */ |
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ROFF_index, |
ROFF_it, |
ROFF_it, |
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ROFF_itc, |
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ROFF_IX, |
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ROFF_kern, |
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ROFF_kernafter, |
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ROFF_kernbefore, |
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ROFF_kernpair, |
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ROFF_lc, |
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ROFF_lc_ctype, |
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ROFF_lds, |
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ROFF_length, |
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ROFF_letadj, |
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ROFF_lf, |
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ROFF_lg, |
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ROFF_lhang, |
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ROFF_linetabs, |
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/* MAN_ll, MDOC_ll */ |
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ROFF_lnr, |
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ROFF_lnrf, |
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ROFF_lpfx, |
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ROFF_ls, |
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ROFF_lsm, |
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ROFF_lt, |
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ROFF_mc, |
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ROFF_mediasize, |
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ROFF_minss, |
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ROFF_mk, |
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ROFF_mso, |
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ROFF_na, |
ROFF_ne, |
ROFF_ne, |
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/* MAN_nf; ignored in mdoc(7) */ |
ROFF_nh, |
ROFF_nh, |
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ROFF_nhychar, |
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ROFF_nm, |
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ROFF_nn, |
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ROFF_nop, |
ROFF_nr, |
ROFF_nr, |
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ROFF_nrf, |
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ROFF_nroff, |
ROFF_ns, |
ROFF_ns, |
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ROFF_nx, |
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ROFF_open, |
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ROFF_opena, |
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ROFF_os, |
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ROFF_output, |
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ROFF_padj, |
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ROFF_papersize, |
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ROFF_pc, |
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ROFF_pev, |
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ROFF_pi, |
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ROFF_PI, |
ROFF_pl, |
ROFF_pl, |
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ROFF_pm, |
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ROFF_pn, |
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ROFF_pnr, |
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ROFF_po, |
ROFF_ps, |
ROFF_ps, |
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ROFF_psbb, |
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ROFF_pshape, |
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ROFF_pso, |
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ROFF_ptr, |
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ROFF_pvs, |
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ROFF_rchar, |
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ROFF_rd, |
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ROFF_recursionlimit, |
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ROFF_return, |
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ROFF_rfschar, |
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ROFF_rhang, |
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ROFF_rj, |
ROFF_rm, |
ROFF_rm, |
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ROFF_rn, |
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ROFF_rnn, |
ROFF_rr, |
ROFF_rr, |
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ROFF_rs, |
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ROFF_rt, |
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ROFF_schar, |
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ROFF_sentchar, |
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ROFF_shc, |
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ROFF_shift, |
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ROFF_sizes, |
ROFF_so, |
ROFF_so, |
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/* MAN_sp, MDOC_sp */ |
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ROFF_spacewidth, |
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ROFF_special, |
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ROFF_spreadwarn, |
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ROFF_ss, |
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ROFF_sty, |
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ROFF_substring, |
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ROFF_sv, |
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ROFF_sy, |
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ROFF_T_, |
ROFF_ta, |
ROFF_ta, |
ROFF_tr, |
ROFF_tc, |
ROFF_Dd, |
ROFF_TE, |
ROFF_TH, |
ROFF_TH, |
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ROFF_ti, |
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ROFF_tkf, |
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ROFF_tl, |
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ROFF_tm, |
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ROFF_tm1, |
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ROFF_tmc, |
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ROFF_tr, |
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ROFF_track, |
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ROFF_transchar, |
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ROFF_trf, |
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ROFF_trimat, |
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ROFF_trin, |
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ROFF_trnt, |
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ROFF_troff, |
ROFF_TS, |
ROFF_TS, |
ROFF_TE, |
ROFF_uf, |
ROFF_T_, |
ROFF_ul, |
ROFF_EQ, |
ROFF_unformat, |
ROFF_EN, |
ROFF_unwatch, |
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ROFF_unwatchn, |
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ROFF_vpt, |
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ROFF_vs, |
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ROFF_warn, |
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ROFF_warnscale, |
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ROFF_watch, |
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ROFF_watchlength, |
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ROFF_watchn, |
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ROFF_wh, |
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ROFF_while, |
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ROFF_write, |
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ROFF_writec, |
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ROFF_writem, |
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ROFF_xflag, |
ROFF_cblock, |
ROFF_cblock, |
ROFF_USERDEF, |
ROFF_USERDEF, |
ROFF_MAX |
ROFF_MAX |
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#define PREDEF(__name, __str) \ |
#define PREDEF(__name, __str) \ |
{ (__name), (__str) }, |
{ (__name), (__str) }, |
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/* --- function prototypes ------------------------------------------------ */ |
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static enum rofft roffhash_find(const char *, size_t); |
static enum rofft roffhash_find(const char *, size_t); |
static void roffhash_init(void); |
static void roffhash_init(void); |
static void roffnode_cleanscope(struct roff *); |
static void roffnode_cleanscope(struct roff *); |
Line 178 static void roffnode_push(struct roff *, enum rofft, |
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Line 389 static void roffnode_push(struct roff *, enum rofft, |
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static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
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static enum rofferr roff_brp(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cc(ROFF_ARGS); |
static enum rofferr roff_cc(ROFF_ARGS); |
static void roff_ccond(struct roff *, int, int); |
static void roff_ccond(struct roff *, int, int); |
Line 191 static int roff_evalcond(struct roff *r, int, |
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Line 403 static int roff_evalcond(struct roff *r, int, |
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static int roff_evalnum(struct roff *, int, |
static int roff_evalnum(struct roff *, int, |
const char *, int *, int *, int); |
const char *, int *, int *, int); |
static int roff_evalpar(struct roff *, int, |
static int roff_evalpar(struct roff *, int, |
const char *, int *, int *); |
const char *, int *, int *, int); |
static int roff_evalstrcond(const char *, int *); |
static int roff_evalstrcond(const char *, int *); |
static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
static void roff_freereg(struct roffreg *); |
static void roff_freereg(struct roffreg *); |
static void roff_freestr(struct roffkv *); |
static void roff_freestr(struct roffkv *); |
static size_t roff_getname(struct roff *, char **, int, int); |
static size_t roff_getname(struct roff *, char **, int, int); |
static int roff_getnum(const char *, int *, int *); |
static int roff_getnum(const char *, int *, int *, int); |
static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static int roff_getregro(const char *name); |
static int roff_getregro(const char *name); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
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static enum rofferr roff_insec(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
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static void roff_man_alloc1(struct roff_man *); |
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static void roff_man_free1(struct roff_man *); |
static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofft roff_parse(struct roff *, char *, int *, |
static enum rofft roff_parse(struct roff *, char *, int *, |
int, int); |
int, int); |
Line 226 static enum rofferr roff_TS(ROFF_ARGS); |
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Line 441 static enum rofferr roff_TS(ROFF_ARGS); |
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static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EN(ROFF_ARGS); |
static enum rofferr roff_EN(ROFF_ARGS); |
static enum rofferr roff_T_(ROFF_ARGS); |
static enum rofferr roff_T_(ROFF_ARGS); |
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static enum rofferr roff_unsupp(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
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/* --- constant data ------------------------------------------------------ */ |
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/* See roffhash_find() */ |
/* See roffhash_find() */ |
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#define ASCII_HI 126 |
#define ASCII_HI 126 |
#define ASCII_LO 33 |
#define ASCII_LO 33 |
#define HASHWIDTH (ASCII_HI - ASCII_LO + 1) |
#define HASHWIDTH (ASCII_HI - ASCII_LO + 1) |
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#define ROFFNUM_SCALE (1 << 0) /* Honour scaling in roff_getnum(). */ |
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#define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */ |
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static struct roffmac *hash[HASHWIDTH]; |
static struct roffmac *hash[HASHWIDTH]; |
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static struct roffmac roffs[ROFF_MAX] = { |
static struct roffmac roffs[ROFF_MAX] = { |
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{ "ab", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "ad", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ad", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "af", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "aln", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "als", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "ami1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "as", roff_ds, NULL, NULL, 0, NULL }, |
{ "as", roff_ds, NULL, NULL, 0, NULL }, |
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{ "as1", roff_ds, NULL, NULL, 0, NULL }, |
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{ "asciify", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "backtrace", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "bd", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "bleedat", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "blm", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "box", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "boxa", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "bp", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "BP", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "break", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "breakchar", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "brnl", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "brp", roff_brp, NULL, NULL, 0, NULL }, |
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{ "brpnl", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "c2", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "cc", roff_cc, NULL, NULL, 0, NULL }, |
{ "cc", roff_cc, NULL, NULL, 0, NULL }, |
{ "ce", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ce", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "cf", roff_insec, NULL, NULL, 0, NULL }, |
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{ "cflags", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "ch", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "char", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "chop", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "class", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "close", roff_insec, NULL, NULL, 0, NULL }, |
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{ "CL", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "color", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "composite", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "continue", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "cp", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "cropat", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "cs", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "cu", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "da", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "dch", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "Dd", roff_Dd, NULL, NULL, 0, NULL }, |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "defcolor", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "dei1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "device", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "devicem", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "di", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "do", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
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{ "ds1", roff_ds, NULL, NULL, 0, NULL }, |
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{ "dwh", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "dt", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "ec", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "ecr", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "ecs", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
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{ "em", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "EN", roff_EN, NULL, NULL, 0, NULL }, |
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{ "eo", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "EP", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "EQ", roff_EQ, NULL, NULL, 0, NULL }, |
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{ "errprint", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "ev", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "evc", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "ex", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "fallback", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "fam", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "fam", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fc", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "fchar", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "fcolor", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fdeferlig", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "feature", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fkern", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fl", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "flig", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fp", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fps", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fschar", roff_unsupp, NULL, NULL, 0, NULL }, |
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{ "fspacewidth", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fspecial", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "ftr", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "fzoom", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "gcolor", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "hc", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "hcode", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "hidechar", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "hla", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hlm", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hpf", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hpfa", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hpfcode", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "hw", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "hw", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "hy", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "hy", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hylang", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hylen", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hym", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hypp", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "hys", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
|
{ "index", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "it", roff_it, NULL, NULL, 0, NULL }, |
{ "it", roff_it, NULL, NULL, 0, NULL }, |
|
{ "itc", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "IX", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "kern", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "kernafter", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "kernbefore", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "kernpair", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "lc", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "lc_ctype", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "lds", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "length", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "letadj", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "lf", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "lg", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "lhang", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "linetabs", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "lnr", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "lnrf", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "lpfx", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "ls", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "lsm", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "lt", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "mc", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "mediasize", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "minss", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "mk", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "mso", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "na", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "nhychar", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "nm", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "nn", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "nop", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
|
{ "nrf", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "nroff", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "nx", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "open", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "opena", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "os", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "output", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "padj", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "papersize", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pc", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pev", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pi", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "PI", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "pl", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "pl", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pm", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pn", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pnr", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "po", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "psbb", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "pshape", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "pso", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "ptr", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "pvs", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "rchar", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "rd", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "recursionlimit", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "return", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "rfschar", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "rhang", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "rj", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
|
{ "rn", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "rnn", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "rr", roff_rr, NULL, NULL, 0, NULL }, |
{ "rr", roff_rr, NULL, NULL, 0, NULL }, |
|
{ "rs", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "rt", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "schar", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "sentchar", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "shc", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "shift", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "sizes", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "ta", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "spacewidth", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "tr", roff_tr, NULL, NULL, 0, NULL }, |
{ "special", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "Dd", roff_Dd, NULL, NULL, 0, NULL }, |
{ "spreadwarn", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "ss", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "sty", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "substring", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "sv", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "sy", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
|
{ "ta", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "tc", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
{ "TH", roff_TH, NULL, NULL, 0, NULL }, |
{ "TH", roff_TH, NULL, NULL, 0, NULL }, |
|
{ "ti", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "tkf", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "tl", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "tm", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "tm1", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "tmc", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "tr", roff_tr, NULL, NULL, 0, NULL }, |
|
{ "track", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "transchar", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "trf", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "trimat", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "trin", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "trnt", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "troff", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
{ "uf", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
{ "ul", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "EQ", roff_EQ, NULL, NULL, 0, NULL }, |
{ "unformat", roff_unsupp, NULL, NULL, 0, NULL }, |
{ "EN", roff_EN, NULL, NULL, 0, NULL }, |
{ "unwatch", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "unwatchn", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "vpt", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "vs", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "warn", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "warnscale", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "watch", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "watchlength", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "watchn", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "wh", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "while", roff_unsupp, NULL, NULL, 0, NULL }, |
|
{ "write", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "writec", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "writem", roff_insec, NULL, NULL, 0, NULL }, |
|
{ "xflag", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
}; |
}; |
Line 324 static int roffit_lines; /* number of lines to delay |
|
Line 742 static int roffit_lines; /* number of lines to delay |
|
static char *roffit_macro; /* nil-terminated macro line */ |
static char *roffit_macro; /* nil-terminated macro line */ |
|
|
|
|
|
/* --- request table ------------------------------------------------------ */ |
|
|
static void |
static void |
roffhash_init(void) |
roffhash_init(void) |
{ |
{ |
Line 376 roffhash_find(const char *p, size_t s) |
|
Line 796 roffhash_find(const char *p, size_t s) |
|
return(ROFF_MAX); |
return(ROFF_MAX); |
} |
} |
|
|
|
/* --- stack of request blocks -------------------------------------------- */ |
|
|
/* |
/* |
* Pop the current node off of the stack of roff instructions currently |
* Pop the current node off of the stack of roff instructions currently |
* pending. |
* pending. |
Line 416 roffnode_push(struct roff *r, enum rofft tok, const ch |
|
Line 838 roffnode_push(struct roff *r, enum rofft tok, const ch |
|
r->last = p; |
r->last = p; |
} |
} |
|
|
|
/* --- roff parser state data management ---------------------------------- */ |
|
|
static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
Line 491 roff_alloc(struct mparse *parse, const struct mchars * |
|
Line 915 roff_alloc(struct mparse *parse, const struct mchars * |
|
return(r); |
return(r); |
} |
} |
|
|
|
/* --- syntax tree state data management ---------------------------------- */ |
|
|
|
static void |
|
roff_man_free1(struct roff_man *man) |
|
{ |
|
|
|
if (man->first != NULL) |
|
roff_node_delete(man, man->first); |
|
free(man->meta.msec); |
|
free(man->meta.vol); |
|
free(man->meta.os); |
|
free(man->meta.arch); |
|
free(man->meta.title); |
|
free(man->meta.name); |
|
free(man->meta.date); |
|
} |
|
|
|
static void |
|
roff_man_alloc1(struct roff_man *man) |
|
{ |
|
|
|
memset(&man->meta, 0, sizeof(man->meta)); |
|
man->first = mandoc_calloc(1, sizeof(*man->first)); |
|
man->first->type = ROFFT_ROOT; |
|
man->last = man->first; |
|
man->last_es = NULL; |
|
man->flags = 0; |
|
man->macroset = MACROSET_NONE; |
|
man->lastsec = man->lastnamed = SEC_NONE; |
|
man->next = ROFF_NEXT_CHILD; |
|
} |
|
|
|
void |
|
roff_man_reset(struct roff_man *man) |
|
{ |
|
|
|
roff_man_free1(man); |
|
roff_man_alloc1(man); |
|
} |
|
|
|
void |
|
roff_man_free(struct roff_man *man) |
|
{ |
|
|
|
roff_man_free1(man); |
|
free(man); |
|
} |
|
|
|
struct roff_man * |
|
roff_man_alloc(struct roff *roff, struct mparse *parse, |
|
const char *defos, int quick) |
|
{ |
|
struct roff_man *man; |
|
|
|
man = mandoc_calloc(1, sizeof(*man)); |
|
man->parse = parse; |
|
man->roff = roff; |
|
man->defos = defos; |
|
man->quick = quick; |
|
roff_man_alloc1(man); |
|
return(man); |
|
} |
|
|
|
/* --- syntax tree handling ----------------------------------------------- */ |
|
|
|
struct roff_node * |
|
roff_node_alloc(struct roff_man *man, int line, int pos, |
|
enum roff_type type, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = mandoc_calloc(1, sizeof(*n)); |
|
n->line = line; |
|
n->pos = pos; |
|
n->tok = tok; |
|
n->type = type; |
|
n->sec = man->lastsec; |
|
|
|
if (man->flags & MDOC_SYNOPSIS) |
|
n->flags |= MDOC_SYNPRETTY; |
|
else |
|
n->flags &= ~MDOC_SYNPRETTY; |
|
if (man->flags & MDOC_NEWLINE) |
|
n->flags |= MDOC_LINE; |
|
man->flags &= ~MDOC_NEWLINE; |
|
|
|
return(n); |
|
} |
|
|
|
void |
|
roff_node_append(struct roff_man *man, struct roff_node *n) |
|
{ |
|
|
|
switch (man->next) { |
|
case ROFF_NEXT_SIBLING: |
|
man->last->next = n; |
|
n->prev = man->last; |
|
n->parent = man->last->parent; |
|
break; |
|
case ROFF_NEXT_CHILD: |
|
man->last->child = n; |
|
n->parent = man->last; |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
n->parent->nchild++; |
|
|
|
/* |
|
* Copy over the normalised-data pointer of our parent. Not |
|
* everybody has one, but copying a null pointer is fine. |
|
*/ |
|
|
|
switch (n->type) { |
|
case ROFFT_BODY: |
|
if (n->end != ENDBODY_NOT) |
|
break; |
|
/* FALLTHROUGH */ |
|
case ROFFT_TAIL: |
|
/* FALLTHROUGH */ |
|
case ROFFT_HEAD: |
|
n->norm = n->parent->norm; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
if (man->macroset == MACROSET_MDOC) |
|
mdoc_valid_pre(man, n); |
|
|
|
switch (n->type) { |
|
case ROFFT_HEAD: |
|
assert(n->parent->type == ROFFT_BLOCK); |
|
n->parent->head = n; |
|
break; |
|
case ROFFT_BODY: |
|
if (n->end) |
|
break; |
|
assert(n->parent->type == ROFFT_BLOCK); |
|
n->parent->body = n; |
|
break; |
|
case ROFFT_TAIL: |
|
assert(n->parent->type == ROFFT_BLOCK); |
|
n->parent->tail = n; |
|
break; |
|
default: |
|
break; |
|
} |
|
man->last = n; |
|
} |
|
|
|
struct roff_node * |
|
roff_head_alloc(struct roff_man *man, int line, int pos, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_HEAD, tok); |
|
roff_node_append(man, n); |
|
man->next = ROFF_NEXT_CHILD; |
|
return(n); |
|
} |
|
|
|
struct roff_node * |
|
roff_body_alloc(struct roff_man *man, int line, int pos, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_BODY, tok); |
|
roff_node_append(man, n); |
|
man->next = ROFF_NEXT_CHILD; |
|
return(n); |
|
} |
|
|
|
void |
|
roff_node_unlink(struct roff_man *man, struct roff_node *n) |
|
{ |
|
|
|
/* Adjust siblings. */ |
|
|
|
if (n->prev) |
|
n->prev->next = n->next; |
|
if (n->next) |
|
n->next->prev = n->prev; |
|
|
|
/* Adjust parent. */ |
|
|
|
if (n->parent != NULL) { |
|
n->parent->nchild--; |
|
if (n->parent->child == n) |
|
n->parent->child = n->next; |
|
if (n->parent->last == n) |
|
n->parent->last = n->prev; |
|
} |
|
|
|
/* Adjust parse point. */ |
|
|
|
if (man == NULL) |
|
return; |
|
if (man->last == n) { |
|
if (n->prev == NULL) { |
|
man->last = n->parent; |
|
man->next = ROFF_NEXT_CHILD; |
|
} else { |
|
man->last = n->prev; |
|
man->next = ROFF_NEXT_SIBLING; |
|
} |
|
} |
|
if (man->first == n) |
|
man->first = NULL; |
|
} |
|
|
|
void |
|
roff_node_free(struct roff_node *n) |
|
{ |
|
|
|
if (n->args != NULL) |
|
mdoc_argv_free(n->args); |
|
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
|
free(n->norm); |
|
free(n->string); |
|
free(n); |
|
} |
|
|
|
void |
|
roff_node_delete(struct roff_man *man, struct roff_node *n) |
|
{ |
|
|
|
while (n->child != NULL) |
|
roff_node_delete(man, n->child); |
|
assert(n->nchild == 0); |
|
roff_node_unlink(man, n); |
|
roff_node_free(n); |
|
} |
|
|
|
/* --- main functions of the roff parser ---------------------------------- */ |
|
|
/* |
/* |
* In the current line, expand escape sequences that tend to get |
* In the current line, expand escape sequences that tend to get |
* used in numerical expressions and conditional requests. |
* used in numerical expressions and conditional requests. |
Line 601 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1262 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
|
|
/* Advance to the end of the name. */ |
/* Advance to the end of the name. */ |
|
|
|
naml = 0; |
arg_complete = 1; |
arg_complete = 1; |
for (naml = 0; maxl == 0 || naml < maxl; naml++, cp++) { |
while (maxl == 0 || naml < maxl) { |
if (*cp == '\0') { |
if (*cp == '\0') { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
ln, (int)(stesc - buf->buf), stesc); |
ln, (int)(stesc - buf->buf), stesc); |
Line 613 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1275 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
cp++; |
cp++; |
break; |
break; |
} |
} |
|
if (*cp++ != '\\' || stesc[1] != 'w') { |
|
naml++; |
|
continue; |
|
} |
|
switch (mandoc_escape(&cp, NULL, NULL)) { |
|
case ESCAPE_SPECIAL: |
|
/* FALLTHROUGH */ |
|
case ESCAPE_UNICODE: |
|
/* FALLTHROUGH */ |
|
case ESCAPE_NUMBERED: |
|
/* FALLTHROUGH */ |
|
case ESCAPE_OVERSTRIKE: |
|
naml++; |
|
break; |
|
default: |
|
break; |
|
} |
} |
} |
|
|
/* |
/* |
Line 628 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1307 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
case 'B': |
case 'B': |
npos = 0; |
npos = 0; |
ubuf[0] = arg_complete && |
ubuf[0] = arg_complete && |
roff_evalnum(r, ln, stnam, &npos, NULL, 0) && |
roff_evalnum(r, ln, stnam, &npos, |
|
NULL, ROFFNUM_SCALE) && |
stnam + npos + 1 == cp ? '1' : '0'; |
stnam + npos + 1 == cp ? '1' : '0'; |
ubuf[1] = '\0'; |
ubuf[1] = '\0'; |
break; |
break; |
Line 651 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1331 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
r->parse, ln, (int)(stesc - buf->buf), |
r->parse, ln, (int)(stesc - buf->buf), |
"%.*s", (int)naml, stnam); |
"%.*s", (int)naml, stnam); |
res = ""; |
res = ""; |
|
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
|
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
|
ln, (int)(stesc - buf->buf), NULL); |
|
return(ROFF_IGN); |
} |
} |
|
|
/* Replace the escape sequence by the string. */ |
/* Replace the escape sequence by the string. */ |
Line 659 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1343 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
buf->sz = mandoc_asprintf(&nbuf, "%s%s%s", |
buf->sz = mandoc_asprintf(&nbuf, "%s%s%s", |
buf->buf, res, cp) + 1; |
buf->buf, res, cp) + 1; |
|
|
if (buf->sz > SHRT_MAX) { |
|
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
|
ln, (int)(stesc - buf->buf), NULL); |
|
return(ROFF_IGN); |
|
} |
|
|
|
/* Prepare for the next replacement. */ |
/* Prepare for the next replacement. */ |
|
|
start = nbuf + pos; |
start = nbuf + pos; |
Line 704 roff_parsetext(struct buf *buf, int pos, int *offs) |
|
Line 1382 roff_parsetext(struct buf *buf, int pos, int *offs) |
|
esc = mandoc_escape((const char **)&p, NULL, NULL); |
esc = mandoc_escape((const char **)&p, NULL, NULL); |
if (esc == ESCAPE_ERROR) |
if (esc == ESCAPE_ERROR) |
break; |
break; |
|
while (*p == '-') |
|
p++; |
continue; |
continue; |
} else if (p == start) { |
} else if (p == start) { |
p++; |
p++; |
Line 765 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1445 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
|
|
/* |
/* |
* First, if a scope is open and we're not a macro, pass the |
* First, if a scope is open and we're not a macro, pass the |
* text through the macro's filter. If a scope isn't open and |
* text through the macro's filter. |
* we're not a macro, just let it through. |
* Equations process all content themselves. |
* Finally, if there's an equation scope open, divert it into it |
* Tables process almost all content themselves, but we want |
* no matter our state. |
* to warn about macros before passing it there. |
*/ |
*/ |
|
|
if (r->last && ! ctl) { |
if (r->last != NULL && ! ctl) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].text); |
assert(roffs[t].text); |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
Line 779 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1459 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
if (e != ROFF_CONT) |
if (e != ROFF_CONT) |
return(e); |
return(e); |
} |
} |
if (r->eqn) |
if (r->eqn != NULL) |
return(eqn_read(&r->eqn, ln, buf->buf, ppos, offs)); |
return(eqn_read(&r->eqn, ln, buf->buf, ppos, offs)); |
if ( ! ctl) { |
if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) |
if (r->tbl) |
return(tbl_read(r->tbl, ln, buf->buf, ppos)); |
return(tbl_read(r->tbl, ln, buf->buf, pos)); |
if ( ! ctl) |
return(roff_parsetext(buf, pos, offs)); |
return(roff_parsetext(buf, pos, offs)); |
} |
|
|
|
/* Skip empty request lines. */ |
/* Skip empty request lines. */ |
|
|
Line 818 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1497 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
if (r->tbl != NULL && (t == ROFF_MAX || t == ROFF_TS)) { |
if (r->tbl != NULL && (t == ROFF_MAX || t == ROFF_TS)) { |
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
ln, pos, buf->buf + spos); |
ln, pos, buf->buf + spos); |
return(ROFF_IGN); |
if (t == ROFF_TS) |
|
return(ROFF_IGN); |
|
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
|
pos++; |
|
while (buf->buf[pos] != '\0' && buf->buf[pos] == ' ') |
|
pos++; |
|
return(tbl_read(r->tbl, ln, buf->buf, pos)); |
} |
} |
|
|
/* |
/* |
Line 886 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
Line 1571 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
return(t); |
return(t); |
} |
} |
|
|
|
/* --- handling of request blocks ----------------------------------------- */ |
|
|
static enum rofferr |
static enum rofferr |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
{ |
{ |
Line 986 roff_block(ROFF_ARGS) |
|
Line 1673 roff_block(ROFF_ARGS) |
|
|
|
if (tok == ROFF_de1) |
if (tok == ROFF_de1) |
tok = ROFF_de; |
tok = ROFF_de; |
|
else if (tok == ROFF_dei1) |
|
tok = ROFF_dei; |
else if (tok == ROFF_am1) |
else if (tok == ROFF_am1) |
tok = ROFF_am; |
tok = ROFF_am; |
|
else if (tok == ROFF_ami1) |
|
tok = ROFF_ami; |
|
|
/* Parse the macro name argument. */ |
/* Parse the macro name argument. */ |
|
|
Line 1165 roff_cond_sub(ROFF_ARGS) |
|
Line 1856 roff_cond_sub(ROFF_ARGS) |
|
*ep = '&'; |
*ep = '&'; |
roff_ccond(r, ln, ep - buf->buf - 1); |
roff_ccond(r, ln, ep - buf->buf - 1); |
} |
} |
++ep; |
if (*ep != '\0') |
|
++ep; |
} |
} |
return(rr ? ROFF_CONT : ROFF_IGN); |
return(rr ? ROFF_CONT : ROFF_IGN); |
} |
} |
Line 1185 roff_cond_text(ROFF_ARGS) |
|
Line 1877 roff_cond_text(ROFF_ARGS) |
|
*ep = '&'; |
*ep = '&'; |
roff_ccond(r, ln, ep - buf->buf - 1); |
roff_ccond(r, ln, ep - buf->buf - 1); |
} |
} |
++ep; |
if (*ep != '\0') |
|
++ep; |
} |
} |
return(rr ? ROFF_CONT : ROFF_IGN); |
return(rr ? ROFF_CONT : ROFF_IGN); |
} |
} |
|
|
|
/* --- handling of numeric and conditional expressions -------------------- */ |
|
|
/* |
/* |
* Parse a single signed integer number. Stop at the first non-digit. |
* Parse a single signed integer number. Stop at the first non-digit. |
* If there is at least one digit, return success and advance the |
* If there is at least one digit, return success and advance the |
Line 1197 roff_cond_text(ROFF_ARGS) |
|
Line 1892 roff_cond_text(ROFF_ARGS) |
|
* Ignore overflows, treat them just like the C language. |
* Ignore overflows, treat them just like the C language. |
*/ |
*/ |
static int |
static int |
roff_getnum(const char *v, int *pos, int *res) |
roff_getnum(const char *v, int *pos, int *res, int flags) |
{ |
{ |
int myres, n, p; |
int myres, scaled, n, p; |
|
|
if (NULL == res) |
if (NULL == res) |
res = &myres; |
res = &myres; |
|
|
p = *pos; |
p = *pos; |
n = v[p] == '-'; |
n = v[p] == '-'; |
if (n) |
if (n || v[p] == '+') |
p++; |
p++; |
|
|
|
if (flags & ROFFNUM_WHITE) |
|
while (isspace((unsigned char)v[p])) |
|
p++; |
|
|
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
*res = 10 * *res + v[p] - '0'; |
*res = 10 * *res + v[p] - '0'; |
if (p == *pos + n) |
if (p == *pos + n) |
Line 1217 roff_getnum(const char *v, int *pos, int *res) |
|
Line 1916 roff_getnum(const char *v, int *pos, int *res) |
|
if (n) |
if (n) |
*res = -*res; |
*res = -*res; |
|
|
*pos = p; |
/* Each number may be followed by one optional scaling unit. */ |
return 1; |
|
|
switch (v[p]) { |
|
case 'f': |
|
scaled = *res * 65536; |
|
break; |
|
case 'i': |
|
scaled = *res * 240; |
|
break; |
|
case 'c': |
|
scaled = *res * 240 / 2.54; |
|
break; |
|
case 'v': |
|
/* FALLTROUGH */ |
|
case 'P': |
|
scaled = *res * 40; |
|
break; |
|
case 'm': |
|
/* FALLTROUGH */ |
|
case 'n': |
|
scaled = *res * 24; |
|
break; |
|
case 'p': |
|
scaled = *res * 10 / 3; |
|
break; |
|
case 'u': |
|
scaled = *res; |
|
break; |
|
case 'M': |
|
scaled = *res * 6 / 25; |
|
break; |
|
default: |
|
scaled = *res; |
|
p--; |
|
break; |
|
} |
|
if (flags & ROFFNUM_SCALE) |
|
*res = scaled; |
|
|
|
*pos = p + 1; |
|
return(1); |
} |
} |
|
|
/* |
/* |
Line 1305 roff_evalcond(struct roff *r, int ln, const char *v, i |
|
Line 2043 roff_evalcond(struct roff *r, int ln, const char *v, i |
|
} |
} |
|
|
savepos = *pos; |
savepos = *pos; |
if (roff_evalnum(r, ln, v, pos, &number, 0)) |
if (roff_evalnum(r, ln, v, pos, &number, ROFFNUM_SCALE)) |
return((number > 0) == wanttrue); |
return((number > 0) == wanttrue); |
else if (*pos == savepos) |
else if (*pos == savepos) |
return(roff_evalstrcond(v, pos) == wanttrue); |
return(roff_evalstrcond(v, pos) == wanttrue); |
Line 1321 roff_line_ignore(ROFF_ARGS) |
|
Line 2059 roff_line_ignore(ROFF_ARGS) |
|
} |
} |
|
|
static enum rofferr |
static enum rofferr |
|
roff_insec(ROFF_ARGS) |
|
{ |
|
|
|
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, |
|
ln, ppos, roffs[tok].name); |
|
return(ROFF_IGN); |
|
} |
|
|
|
static enum rofferr |
|
roff_unsupp(ROFF_ARGS) |
|
{ |
|
|
|
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, |
|
ln, ppos, roffs[tok].name); |
|
return(ROFF_IGN); |
|
} |
|
|
|
static enum rofferr |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
|
|
Line 1403 roff_ds(ROFF_ARGS) |
|
Line 2159 roff_ds(ROFF_ARGS) |
|
const char *name; |
const char *name; |
size_t namesz; |
size_t namesz; |
|
|
|
/* Ignore groff compatibility mode for now. */ |
|
|
|
if (tok == ROFF_ds1) |
|
tok = ROFF_ds; |
|
else if (tok == ROFF_as1) |
|
tok = ROFF_as; |
|
|
/* |
/* |
* The first word is the name of the string. |
* The first word is the name of the string. |
* If it is empty or terminated by an escape sequence, |
* If it is empty or terminated by an escape sequence, |
Line 1503 roff_getop(const char *v, int *pos, char *res) |
|
Line 2266 roff_getop(const char *v, int *pos, char *res) |
|
*/ |
*/ |
static int |
static int |
roff_evalpar(struct roff *r, int ln, |
roff_evalpar(struct roff *r, int ln, |
const char *v, int *pos, int *res) |
const char *v, int *pos, int *res, int flags) |
{ |
{ |
|
|
if ('(' != v[*pos]) |
if ('(' != v[*pos]) |
return(roff_getnum(v, pos, res)); |
return(roff_getnum(v, pos, res, flags)); |
|
|
(*pos)++; |
(*pos)++; |
if ( ! roff_evalnum(r, ln, v, pos, res, 1)) |
if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE)) |
return(0); |
return(0); |
|
|
/* |
/* |
Line 1533 roff_evalpar(struct roff *r, int ln, |
|
Line 2296 roff_evalpar(struct roff *r, int ln, |
|
*/ |
*/ |
static int |
static int |
roff_evalnum(struct roff *r, int ln, const char *v, |
roff_evalnum(struct roff *r, int ln, const char *v, |
int *pos, int *res, int skipwhite) |
int *pos, int *res, int flags) |
{ |
{ |
int mypos, operand2; |
int mypos, operand2; |
char operator; |
char operator; |
Line 1543 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2306 roff_evalnum(struct roff *r, int ln, const char *v, |
|
pos = &mypos; |
pos = &mypos; |
} |
} |
|
|
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_evalpar(r, ln, v, pos, res)) |
if ( ! roff_evalpar(r, ln, v, pos, res, flags)) |
return(0); |
return(0); |
|
|
while (1) { |
while (1) { |
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_getop(v, pos, &operator)) |
if ( ! roff_getop(v, pos, &operator)) |
break; |
break; |
|
|
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_evalpar(r, ln, v, pos, &operand2)) |
if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags)) |
return(0); |
return(0); |
|
|
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
Line 1639 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2402 roff_evalnum(struct roff *r, int ln, const char *v, |
|
return(1); |
return(1); |
} |
} |
|
|
|
/* --- register management ------------------------------------------------ */ |
|
|
void |
void |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
{ |
{ |
Line 1769 roff_nr(ROFF_ARGS) |
|
Line 2534 roff_nr(ROFF_ARGS) |
|
if (sign == '+' || sign == '-') |
if (sign == '+' || sign == '-') |
val++; |
val++; |
|
|
if (roff_evalnum(r, ln, val, NULL, &iv, 0)) |
if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE)) |
roff_setreg(r, key, iv, sign); |
roff_setreg(r, key, iv, sign); |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1803 roff_rr(ROFF_ARGS) |
|
Line 2568 roff_rr(ROFF_ARGS) |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
|
/* --- handler functions for roff requests -------------------------------- */ |
|
|
static enum rofferr |
static enum rofferr |
roff_rm(ROFF_ARGS) |
roff_rm(ROFF_ARGS) |
{ |
{ |
Line 1824 roff_rm(ROFF_ARGS) |
|
Line 2591 roff_rm(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_it(ROFF_ARGS) |
roff_it(ROFF_ARGS) |
{ |
{ |
char *cp; |
|
size_t len; |
|
int iv; |
int iv; |
|
|
/* Parse the number of lines. */ |
/* Parse the number of lines. */ |
cp = buf->buf + pos; |
|
len = strcspn(cp, " \t"); |
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
cp[len] = '\0'; |
|
if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) { |
|
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
ln, ppos, buf->buf + 1); |
ln, ppos, buf->buf + 1); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
cp += len + 1; |
|
|
|
/* Arm the input line trap. */ |
while (isspace((unsigned char)buf->buf[pos])) |
|
pos++; |
|
|
|
/* |
|
* Arm the input line trap. |
|
* Special-casing "an-trap" is an ugly workaround to cope |
|
* with DocBook stupidly fiddling with man(7) internals. |
|
*/ |
|
|
roffit_lines = iv; |
roffit_lines = iv; |
roffit_macro = mandoc_strdup(cp); |
roffit_macro = mandoc_strdup(iv != 1 || |
|
strcmp(buf->buf + pos, "an-trap") ? |
|
buf->buf + pos : "br"); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 1882 roff_TE(ROFF_ARGS) |
|
Line 2654 roff_TE(ROFF_ARGS) |
|
if (NULL == r->tbl) |
if (NULL == r->tbl) |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, "TE"); |
ln, ppos, "TE"); |
else |
else if ( ! tbl_end(&r->tbl)) { |
tbl_end(&r->tbl); |
free(buf->buf); |
|
buf->buf = mandoc_strdup(".sp"); |
|
buf->sz = 4; |
|
return(ROFF_REPARSE); |
|
} |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 2023 roff_TS(ROFF_ARGS) |
|
Line 2798 roff_TS(ROFF_ARGS) |
|
} |
} |
|
|
static enum rofferr |
static enum rofferr |
|
roff_brp(ROFF_ARGS) |
|
{ |
|
|
|
buf->buf[pos - 1] = '\0'; |
|
return(ROFF_CONT); |
|
} |
|
|
|
static enum rofferr |
roff_cc(ROFF_ARGS) |
roff_cc(ROFF_ARGS) |
{ |
{ |
const char *p; |
const char *p; |
Line 2033 roff_cc(ROFF_ARGS) |
|
Line 2816 roff_cc(ROFF_ARGS) |
|
r->control = 0; |
r->control = 0; |
|
|
if (*p != '\0') |
if (*p != '\0') |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
|
ln, p - buf->buf, "cc ... %s", p); |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 2048 roff_tr(ROFF_ARGS) |
|
Line 2832 roff_tr(ROFF_ARGS) |
|
p = buf->buf + pos; |
p = buf->buf + pos; |
|
|
if (*p == '\0') { |
if (*p == '\0') { |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 2076 roff_tr(ROFF_ARGS) |
|
Line 2860 roff_tr(ROFF_ARGS) |
|
} |
} |
ssz = (size_t)(p - second); |
ssz = (size_t)(p - second); |
} else if (*second == '\0') { |
} else if (*second == '\0') { |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, |
mandoc_vmsg(MANDOCERR_TR_ODD, r->parse, |
ln, (int)(p - buf->buf), NULL); |
ln, first - buf->buf, "tr %s", first); |
second = " "; |
second = " "; |
p--; |
p--; |
} |
} |
Line 2103 roff_tr(ROFF_ARGS) |
|
Line 2887 roff_tr(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_so(ROFF_ARGS) |
roff_so(ROFF_ARGS) |
{ |
{ |
char *name; |
char *name, *cp; |
|
|
name = buf->buf + pos; |
name = buf->buf + pos; |
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); |
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); |
Line 2118 roff_so(ROFF_ARGS) |
|
Line 2902 roff_so(ROFF_ARGS) |
|
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { |
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
".so %s", name); |
".so %s", name); |
return(ROFF_ERR); |
buf->sz = mandoc_asprintf(&cp, |
|
".sp\nSee the file %s.\n.sp", name) + 1; |
|
free(buf->buf); |
|
buf->buf = cp; |
|
*offs = 0; |
|
return(ROFF_REPARSE); |
} |
} |
|
|
*offs = pos; |
*offs = pos; |
return(ROFF_SO); |
return(ROFF_SO); |
} |
} |
|
|
|
/* --- user defined strings and macros ------------------------------------ */ |
|
|
static enum rofferr |
static enum rofferr |
roff_userdef(ROFF_ARGS) |
roff_userdef(ROFF_ARGS) |
{ |
{ |
const char *arg[9]; |
const char *arg[9], *ap; |
char *cp, *n1, *n2; |
char *cp, *n1, *n2; |
int i; |
int i; |
|
size_t asz, rsz; |
|
|
/* |
/* |
* Collect pointers to macro argument strings |
* Collect pointers to macro argument strings |
* and NUL-terminate them. |
* and NUL-terminate them. |
*/ |
*/ |
|
|
cp = buf->buf + pos; |
cp = buf->buf + pos; |
for (i = 0; i < 9; i++) |
for (i = 0; i < 9; i++) |
arg[i] = *cp == '\0' ? "" : |
arg[i] = *cp == '\0' ? "" : |
Line 2144 roff_userdef(ROFF_ARGS) |
|
Line 2937 roff_userdef(ROFF_ARGS) |
|
/* |
/* |
* Expand macro arguments. |
* Expand macro arguments. |
*/ |
*/ |
buf->sz = 0; |
|
n1 = cp = mandoc_strdup(r->current_string); |
buf->sz = strlen(r->current_string) + 1; |
while ((cp = strstr(cp, "\\$")) != NULL) { |
n1 = cp = mandoc_malloc(buf->sz); |
i = cp[2] - '1'; |
memcpy(n1, r->current_string, buf->sz); |
if (0 > i || 8 < i) { |
while (*cp != '\0') { |
/* Not an argument invocation. */ |
|
cp += 2; |
/* Scan ahead for the next argument invocation. */ |
|
|
|
if (*cp++ != '\\') |
continue; |
continue; |
|
if (*cp++ != '$') |
|
continue; |
|
i = *cp - '1'; |
|
if (0 > i || 8 < i) |
|
continue; |
|
cp -= 2; |
|
|
|
/* |
|
* Determine the size of the expanded argument, |
|
* taking escaping of quotes into account. |
|
*/ |
|
|
|
asz = 0; |
|
for (ap = arg[i]; *ap != '\0'; ap++) { |
|
asz++; |
|
if (*ap == '"') |
|
asz += 3; |
} |
} |
*cp = '\0'; |
if (asz != 3) { |
buf->sz = mandoc_asprintf(&n2, "%s%s%s", |
|
n1, arg[i], cp + 3) + 1; |
/* |
cp = n2 + (cp - n1); |
* Determine the size of the rest of the |
free(n1); |
* unexpanded macro, including the NUL. |
n1 = n2; |
*/ |
|
|
|
rsz = buf->sz - (cp - n1) - 3; |
|
|
|
/* |
|
* When shrinking, move before |
|
* releasing the storage. |
|
*/ |
|
|
|
if (asz < 3) |
|
memmove(cp + asz, cp + 3, rsz); |
|
|
|
/* |
|
* Resize the storage for the macro |
|
* and readjust the parse pointer. |
|
*/ |
|
|
|
buf->sz += asz - 3; |
|
n2 = mandoc_realloc(n1, buf->sz); |
|
cp = n2 + (cp - n1); |
|
n1 = n2; |
|
|
|
/* |
|
* When growing, make room |
|
* for the expanded argument. |
|
*/ |
|
|
|
if (asz > 3) |
|
memmove(cp + asz, cp + 3, rsz); |
|
} |
|
|
|
/* Copy the expanded argument, escaping quotes. */ |
|
|
|
n2 = cp; |
|
for (ap = arg[i]; *ap != '\0'; ap++) { |
|
if (*ap == '"') { |
|
memcpy(n2, "\\(dq", 4); |
|
n2 += 4; |
|
} else |
|
*n2++ = *ap; |
|
} |
} |
} |
|
|
/* |
/* |
* Replace the macro invocation |
* Replace the macro invocation |
* by the expanded macro. |
* by the expanded macro. |
*/ |
*/ |
|
|
free(buf->buf); |
free(buf->buf); |
buf->buf = n1; |
buf->buf = n1; |
if (buf->sz == 0) |
*offs = 0; |
buf->sz = strlen(buf->buf) + 1; |
|
|
|
return(buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
return(buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
ROFF_REPARSE : ROFF_APPEND); |
ROFF_REPARSE : ROFF_APPEND); |
Line 2331 roff_freestr(struct roffkv *r) |
|
Line 3183 roff_freestr(struct roffkv *r) |
|
free(n); |
free(n); |
} |
} |
} |
} |
|
|
|
/* --- accessors and utility functions ------------------------------------ */ |
|
|
const struct tbl_span * |
const struct tbl_span * |
roff_span(const struct roff *r) |
roff_span(const struct roff *r) |