diff options
author | Kristaps Dzonsons <kristaps@bsd.lv> | 2009-01-12 16:39:57 +0000 |
---|---|---|
committer | Kristaps Dzonsons <kristaps@bsd.lv> | 2009-01-12 16:39:57 +0000 |
commit | 1ffa508fd07870fb2094e48de2c5207abd02fc6c (patch) | |
tree | 5386c805f76801425f3e589242f263837395f6c2 /argv.c | |
parent | f41349a945984d15e04b7576ea08bc651631d093 (diff) | |
download | mandoc-1ffa508fd07870fb2094e48de2c5207abd02fc6c.tar.gz |
*** empty log message ***
Diffstat (limited to 'argv.c')
-rw-r--r-- | argv.c | 145 |
1 files changed, 93 insertions, 52 deletions
@@ -29,6 +29,10 @@ static int lookup(int, const char *); static int parse(struct mdoc *, int, int, struct mdoc_arg *, int *, char *); +static int parse_single(struct mdoc *, int, + struct mdoc_arg *, int *, char *); +static int parse_multi(struct mdoc *, int, + struct mdoc_arg *, int *, char *); static int postparse(struct mdoc *, int, const struct mdoc_arg *, int); @@ -50,6 +54,10 @@ mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v) return(ARGS_ERROR); if ((fl & ARGS_DELIM) && mdoc_iscdelim(buf[*pos])) { + /* + * If ARGS_DELIM, return ARGS_PUNCT if only space-separated + * punctuation remains. + */ for (i = *pos; buf[i]; ) { if ( ! mdoc_iscdelim(buf[i])) break; @@ -66,25 +74,43 @@ mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v) } } - /* - * Parse routine for non-quoted string. - */ + /* Parse routine for non-quoted string. */ if ('\"' != buf[*pos]) { *v = &buf[*pos]; - while (buf[*pos] && ! isspace(buf[*pos])) - (*pos)++; + /* FIXME: UGLY tab-sep processing. */ + + if (ARGS_TABSEP & fl) + while (buf[*pos]) { + if ('\t' == buf[*pos]) + break; + if ('T' == buf[*pos]) { + (*pos)++; + if (0 == buf[*pos]) + break; + if ('a' == buf[*pos]) { + buf[*pos - 1] = 0; + break; + } + } + (*pos)++; + } + else + while (buf[*pos] && ! isspace(buf[*pos])) + (*pos)++; if (0 == buf[*pos]) return(ARGS_WORD); buf[(*pos)++] = 0; + if (0 == buf[*pos]) return(ARGS_WORD); - while (buf[*pos] && isspace(buf[*pos])) - (*pos)++; + if ( ! (ARGS_TABSEP & fl)) + while (buf[*pos] && isspace(buf[*pos])) + (*pos)++; if (buf[*pos]) return(ARGS_WORD); @@ -101,6 +127,8 @@ mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v) * error. After, parse to the next word. */ + assert( ! (ARGS_TABSEP & fl)); + *v = &buf[++(*pos)]; while (buf[*pos] && '\"' != buf[*pos]) @@ -318,65 +346,78 @@ postparse(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos) static int -parse(struct mdoc *mdoc, int line, int tok, +parse_multi(struct mdoc *mdoc, int line, struct mdoc_arg *v, int *pos, char *buf) { + int c, ppos; char *p; - int c, ppos, i; + + v->sz = 0; + v->value = xcalloc(MDOC_LINEARG_MAX, sizeof(char *)); ppos = *pos; - switch (v->arg) { - case(MDOC_Std): - /* FALLTHROUGH */ - case(MDOC_Width): - /* FALLTHROUGH */ - case(MDOC_Offset): - /* - * This has a single value for an argument. - */ + for (v->sz = 0; v->sz < MDOC_LINEARG_MAX; v->sz++) { + if ('-' == buf[*pos]) + break; c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p); - if (ARGS_ERROR == c) + if (ARGS_ERROR == c) { + free(v->value); return(0); - else if (ARGS_EOLN != c) { - v->sz = 1; - v->value = xcalloc(1, sizeof(char *)); - v->value[0] = p; + } else if (ARGS_EOLN == c) break; - } + v->value[v->sz] = p; + } + + if (0 < v->sz && v->sz < MDOC_LINEARG_MAX) + return(1); + + c = 0 == v->sz ? ERR_SYNTAX_ARGVAL : ERR_SYNTAX_ARGMANY; + free(v->value); + return(mdoc_perr(mdoc, line, ppos, c)); +} + + +static int +parse_single(struct mdoc *mdoc, int line, + struct mdoc_arg *v, int *pos, char *buf) +{ + int c, ppos; + char *p; + + ppos = *pos; + + c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p); + if (ARGS_ERROR == c) + return(0); + if (ARGS_EOLN == c) return(mdoc_perr(mdoc, line, ppos, ERR_SYNTAX_ARGVAL)); - case(MDOC_Column): - /* - * This has several value for a single argument. We - * pre-allocate a pointer array and don't let it exceed - * this size. - */ - v->sz = 0; - v->value = xcalloc(MDOC_LINEARG_MAX, sizeof(char *)); - for (i = 0; i < MDOC_LINEARG_MAX; i++) { - c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p); - if (ARGS_ERROR == c) { - free(v->value); - return(0); - } else if (ARGS_EOLN == c) - break; - v->value[i] = p; - } - if (0 == i) { - free(v->value); - return(mdoc_perr(mdoc, line, ppos, - ERR_SYNTAX_ARGVAL)); - } else if (MDOC_LINEARG_MAX == i) - return(mdoc_perr(mdoc, line, ppos, - ERR_SYNTAX_ARGMANY)); + v->sz = 1; + v->value = xcalloc(1, sizeof(char *)); + v->value[0] = p; + return(1); +} - v->sz = i; - break; +static int +parse(struct mdoc *mdoc, int line, int tok, + struct mdoc_arg *v, int *pos, char *buf) +{ + + v->sz = 0; + v->value = NULL; + + switch (v->arg) { + case(MDOC_Std): + /* FALLTHROUGH */ + case(MDOC_Width): + /* FALLTHROUGH */ + case(MDOC_Offset): + return(parse_single(mdoc, line, v, pos, buf)); + case(MDOC_Column): + return(parse_multi(mdoc, line, v, pos, buf)); default: - v->sz = 0; - v->value = NULL; break; } |