+struct tbl {
+ char tab; /* cell-separator */
+ char decimal; /* decimal point */
+ int linesize;
+ int opts;
+#define TBL_OPT_CENTRE (1 << 0)
+#define TBL_OPT_EXPAND (1 << 1)
+#define TBL_OPT_BOX (1 << 2)
+#define TBL_OPT_DBOX (1 << 3)
+#define TBL_OPT_ALLBOX (1 << 4)
+#define TBL_OPT_NOKEEP (1 << 5)
+#define TBL_OPT_NOSPACE (1 << 6)
+ int cols; /* number of columns */
+};
+
+enum tbl_headt {
+ TBL_HEAD_DATA, /* plug in data from tbl_dat */
+ TBL_HEAD_VERT, /* vertical spacer */
+ TBL_HEAD_DVERT /* double-vertical spacer */
+};
+
+/*
+ * The head of a table specifies all of its columns. When formatting a
+ * tbl_span, iterate over these and plug in data from the tbl_span when
+ * appropriate, using tbl_cell as a guide to placement.
+ */
+struct tbl_head {
+ enum tbl_headt pos;
+ int ident; /* 0 <= unique id < cols */
+ struct tbl_head *next;
+ struct tbl_head *prev;
+};
+
+enum tbl_cellt {
+ TBL_CELL_CENTRE, /* c, C */
+ TBL_CELL_RIGHT, /* r, R */
+ TBL_CELL_LEFT, /* l, L */
+ TBL_CELL_NUMBER, /* n, N */
+ TBL_CELL_SPAN, /* s, S */
+ TBL_CELL_LONG, /* a, A */
+ TBL_CELL_DOWN, /* ^ */
+ TBL_CELL_HORIZ, /* _, - */
+ TBL_CELL_DHORIZ, /* = */
+ TBL_CELL_VERT, /* | */
+ TBL_CELL_DVERT, /* || */
+ TBL_CELL_MAX
+};
+
+/*
+ * A cell in a layout row.
+ */
+struct tbl_cell {
+ struct tbl_cell *next;
+ enum tbl_cellt pos;
+ size_t spacing;
+ int flags;
+#define TBL_CELL_TALIGN (1 << 0) /* t, T */
+#define TBL_CELL_BALIGN (1 << 1) /* d, D */
+#define TBL_CELL_BOLD (1 << 2) /* fB, B, b */
+#define TBL_CELL_ITALIC (1 << 3) /* fI, I, i */
+#define TBL_CELL_EQUAL (1 << 4) /* e, E */
+#define TBL_CELL_UP (1 << 5) /* u, U */
+#define TBL_CELL_WIGN (1 << 6) /* z, Z */
+ struct tbl_head *head;
+};
+
+/*
+ * A layout row.
+ */
+struct tbl_row {
+ struct tbl_row *next;
+ struct tbl_cell *first;
+ struct tbl_cell *last;
+};
+
+enum tbl_datt {
+ TBL_DATA_NONE, /* has no data */
+ TBL_DATA_DATA, /* consists of data/string */
+ TBL_DATA_HORIZ, /* horizontal line */
+ TBL_DATA_DHORIZ, /* double-horizontal line */
+ TBL_DATA_NHORIZ, /* squeezed horizontal line */
+ TBL_DATA_NDHORIZ /* squeezed double-horizontal line */
+};
+
+/*
+ * A cell within a row of data. The "string" field contains the actual
+ * string value that's in the cell. The rest is layout.
+ */
+struct tbl_dat {
+ struct tbl_cell *layout; /* layout cell */
+ int spans; /* how many spans follow */
+ struct tbl_dat *next;
+ char *string; /* data (NULL if not TBL_DATA_DATA) */
+ enum tbl_datt pos;
+};
+
+enum tbl_spant {
+ TBL_SPAN_DATA, /* span consists of data */
+ TBL_SPAN_HORIZ, /* span is horizontal line */
+ TBL_SPAN_DHORIZ /* span is double horizontal line */
+};
+
+/*
+ * A row of data in a table.
+ */
+struct tbl_span {
+ struct tbl *tbl;
+ struct tbl_head *head;
+ struct tbl_row *layout; /* layout row */
+ struct tbl_dat *first;
+ struct tbl_dat *last;
+ int line; /* parse line */
+ int flags;
+#define TBL_SPAN_FIRST (1 << 0)
+#define TBL_SPAN_LAST (1 << 1)
+ enum tbl_spant pos;
+ struct tbl_span *next;
+};
+
+struct eqn {
+ size_t sz;
+ char *data;
+ int line; /* invocation line */
+ int pos; /* invocation position */
+};
+
+/*
+ * Available registers (set in libroff, accessed elsewhere).
+ */
+enum regs {
+ REG_nS = 0,
+ REG__MAX
+};
+
+/*
+ * A register (struct reg) can consist of many types: this consists of
+ * normalised types from the original string form.
+ */
+union regval {
+ unsigned u; /* unsigned integer */
+};
+
+/*
+ * A single register entity. If "set" is zero, the value of the
+ * register should be the default one, which is per-register. It's
+ * assumed that callers know which type in "v" corresponds to which
+ * register value.
+ */
+struct reg {
+ int set; /* whether set or not */
+ union regval v; /* parsed data */
+};
+
+/*
+ * The primary interface to setting register values is in libroff,
+ * although libmdoc and libman from time to time will manipulate
+ * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
+ */
+struct regset {
+ struct reg regs[REG__MAX];
+};
+
+/*
+ * A punctuation delimiter, used only in mdoc(7) documents, is opening,
+ * closing, or "middle mark" punctuation. These govern spacing.
+ * Opening punctuation (e.g., the opening parenthesis) suppresses the
+ * following space; closing punctuation (e.g., the closing parenthesis)
+ * suppresses the leading space; middle punctuation (e.g., the vertical
+ * bar) can do either. The middle punctuation delimiter bends the rules
+ * depending on usage.
+ */
+enum mdelim {
+ DELIM_NONE = 0,
+ DELIM_OPEN,
+ DELIM_MIDDLE,
+ DELIM_CLOSE
+};
+
+typedef int (*mandocmsg)(enum mandocerr, void *,
+ int, int, const char *);
+
+__BEGIN_DECLS
+
+void *mandoc_calloc(size_t, size_t);
+void *mandoc_malloc(size_t);
+void *mandoc_realloc(void *, size_t);
+#define DELIMSZ 6 /* hint: max possible size of a delimiter */
+enum mdelim mandoc_isdelim(const char *);
git.ckatri.com / mandoc.git / blobdiff