From 995867c9d1e4701682433bd43406c27cdc59599d Mon Sep 17 00:00:00 2001 From: Kristaps Dzonsons Date: Mon, 1 Dec 2008 09:25:18 +0000 Subject: *** empty log message *** --- roff.c | 152 ++++++++++++++++++++++++++++++++++++++++++----------------------- 1 file changed, 99 insertions(+), 53 deletions(-) (limited to 'roff.c') diff --git a/roff.c b/roff.c index 33c16278..3880d80a 100644 --- a/roff.c +++ b/roff.c @@ -105,12 +105,14 @@ struct rofftree { static int roff_Dd(ROFFCALL_ARGS); static int roff_Dt(ROFFCALL_ARGS); static int roff_Os(ROFFCALL_ARGS); +#ifdef notyet +static int roff_Ns(ROFFCALL_ARGS); +#endif static int roff_layout(ROFFCALL_ARGS); static int roff_text(ROFFCALL_ARGS); static int roff_comment(ROFFCALL_ARGS); static int roff_close(ROFFCALL_ARGS); -static int roff_special(ROFFCALL_ARGS); static struct roffnode *roffnode_new(int, struct rofftree *); static void roffnode_free(struct rofftree *); @@ -235,7 +237,7 @@ static const struct rofftok tokens[ROFF_MAX] = { { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bq */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */ - {roff_special, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Db */ + { NULL, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Db */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Do */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dq */ @@ -246,11 +248,11 @@ static const struct rofftok tokens[ROFF_MAX] = { { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Fx */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */ { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* No */ - { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */ + { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Nx */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */ - { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */ + { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */ { roff_text, NULL, NULL, NULL, 0, ROFF_LAYOUT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pq */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qc */ @@ -262,7 +264,7 @@ static const struct rofftok tokens[ROFF_MAX] = { { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* So */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sq */ - {roff_special, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Sm */ + { NULL, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Sm */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sx */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sy */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Tn */ @@ -494,7 +496,6 @@ roffargs(const struct rofftree *tree, } -/* XXX */ static int roffscan(int tok, const int *tokv) { @@ -998,22 +999,25 @@ roff_layout(ROFFCALL_ARGS) i = 0; while (*argv) { - if (ROFF_MAX != (c = rofffindcallable(*argv))) { - if (NULL == tokens[c].cb) { - roff_err(tree, *argv, "unsupported " - "macro `%s'", - toknames[c]); - return(0); - } - if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER)) + if (ROFF_MAX == (c = rofffindcallable(*argv))) { + assert(tree->arg); + if ( ! (*tree->cb.roffdata) + (tree->arg, i, *argv++)) return(0); - break; + i = 1; + continue; } - assert(tree->arg); - if ( ! (*tree->cb.roffdata)(tree->arg, i, *argv++)) + if (NULL == tokens[c].cb) { + roff_err(tree, *argv, "unsupported macro `%s'", + toknames[c]); return(0); - i = 1; + } + + if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER)) + return(0); + + break; } /* @@ -1022,26 +1026,27 @@ roff_layout(ROFFCALL_ARGS) * the end of line. */ - if (ROFF_PARSED & tokens[tok].flags && *argv) { - i = 0; - while (argv[i]) - i++; + if ( ! (ROFF_PARSED & tokens[tok].flags && *argv)) + return((*tree->cb.roffout)(tree->arg, tok)); - assert(i > 0); - if ( ! roffispunct(argv[--i])) - return((*tree->cb.roffout)(tree->arg, tok)); + i = 0; + while (argv[i]) + i++; - while (i >= 0 && roffispunct(argv[i])) - i--; + assert(i > 0); + if ( ! roffispunct(argv[--i])) + return((*tree->cb.roffout)(tree->arg, tok)); - assert(0 != i); - i++; + while (i >= 0 && roffispunct(argv[i])) + i--; - /* LINTED */ - while (argv[i]) - if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++])) - return(0); - } + assert(0 != i); + i++; + + /* LINTED */ + while (argv[i]) + if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++])) + return(0); return((*tree->cb.roffout)(tree->arg, tok)); } @@ -1108,7 +1113,8 @@ roff_text(ROFFCALL_ARGS) i = 1; } - if ( ! (*tree->cb.roffdata)(tree->arg, i, *argv++)) + if ( ! (*tree->cb.roffdata) + (tree->arg, i, *argv++)) return(0); i = 1; @@ -1141,26 +1147,27 @@ roff_text(ROFFCALL_ARGS) * the end of line. */ - if (first && *argv) { - i = 0; - while (argv[i]) - i++; + if ( ! (first && *argv)) + return(1); - assert(i > 0); - if ( ! roffispunct(argv[--i])) - return(1); + i = 0; + while (argv[i]) + i++; - while (i >= 0 && roffispunct(argv[i])) - i--; + assert(i > 0); + if ( ! roffispunct(argv[--i])) + return(1); - assert(0 != i); - i++; + while (i >= 0 && roffispunct(argv[i])) + i--; - /* LINTED */ - while (argv[i]) - if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++])) - return(0); - } + assert(0 != i); + i++; + + /* LINTED */ + while (argv[i]) + if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++])) + return(0); return(1); } @@ -1184,13 +1191,52 @@ roff_close(ROFFCALL_ARGS) } +#if notyet /* ARGSUSED */ static int -roff_special(ROFFCALL_ARGS) +roff_Ns(ROFFCALL_ARGS) { + int c; + + argv++; - return((*tree->cb.roffspecial)(tree->arg, tok)); + if (ROFF_MAX != (c = rofffindcallable(*argv))) { + if (NULL == tokens[c].cb) { + roff_err(tree, *argv, "unsupported macro `%s'", + toknames[c]); + return(0); + } + if ( ! (*tree->cb.roffspecial)(tree->arg, tok)) + return(0); + if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER)) + return(0); + + return(1); + } else if ( ! (*tree->cb.roffdata)(tree->arg, 0, *argv++)) + return(0); + + while (*argv) { + if (ROFF_MAX == (c = rofffindcallable(*argv))) { + assert(tree->arg); + if ( ! (*tree->cb.roffdata) + (tree->arg, 1, *argv++)) + return(0); + continue; + } + if (NULL == tokens[c].cb) { + roff_err(tree, *argv, "unsupported macro `%s'", + toknames[c]); + return(0); + } + if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER)) + return(0); + + break; + } + + return(1); } +#endif static void -- cgit