version 1.31, 2015/01/15 04:26:40 |
version 1.35, 2016/01/08 02:53:13 |
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.Nm mparse_result , |
.Nm mparse_result , |
.Nm mparse_strerror , |
.Nm mparse_strerror , |
.Nm mparse_strlevel |
.Nm mparse_strlevel |
.Nm mparse_wait , |
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.Nd mandoc macro compiler library |
.Nd mandoc macro compiler library |
.Sh SYNOPSIS |
.Sh SYNOPSIS |
.In sys/types.h |
.In sys/types.h |
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.Fa "int options" |
.Fa "int options" |
.Fa "enum mandoclevel wlevel" |
.Fa "enum mandoclevel wlevel" |
.Fa "mandocmsg mmsg" |
.Fa "mandocmsg mmsg" |
.Fa "const struct mchars *mchars" |
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.Fa "char *defos" |
.Fa "char *defos" |
.Fc |
.Fc |
.Ft void |
.Ft void |
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.Fo mparse_keep |
.Fo mparse_keep |
.Fa "struct mparse *parse" |
.Fa "struct mparse *parse" |
.Fc |
.Fc |
.Ft "enum mandoclevel" |
.Ft int |
.Fo mparse_open |
.Fo mparse_open |
.Fa "struct mparse *parse" |
.Fa "struct mparse *parse" |
.Fa "int *fd" |
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.Fa "const char *fname" |
.Fa "const char *fname" |
.Fc |
.Fc |
.Ft "enum mandoclevel" |
.Ft "enum mandoclevel" |
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.Fo mparse_strlevel |
.Fo mparse_strlevel |
.Fa "enum mandoclevel" |
.Fa "enum mandoclevel" |
.Fc |
.Fc |
.Ft "enum mandoclevel" |
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.Fo mparse_wait |
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.Fa "struct mparse *parse" |
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.Fc |
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.In sys/types.h |
.In sys/types.h |
.In mandoc.h |
.In mandoc.h |
.In mdoc.h |
.In mdoc.h |
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parse it with |
parse it with |
.Fn mparse_readfd ; |
.Fn mparse_readfd ; |
.It |
.It |
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close it with |
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.Xr close 2 ; |
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.It |
retrieve the syntax tree with |
retrieve the syntax tree with |
.Fn mparse_result ; |
.Fn mparse_result ; |
.It |
.It |
Line 215 An error or warning message during parsing. |
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Line 211 An error or warning message during parsing. |
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A classification of an |
A classification of an |
.Vt "enum mandocerr" |
.Vt "enum mandocerr" |
as regards system operation. |
as regards system operation. |
.It Vt "struct mchars" |
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An opaque pointer to a a character table. |
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Created with |
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.Xr mchars_alloc 3 |
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and freed with |
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.Xr mchars_free 3 . |
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.It Vt "struct mparse" |
.It Vt "struct mparse" |
An opaque pointer to a running parse sequence. |
An opaque pointer to a running parse sequence. |
Created with |
Created with |
Line 345 A callback function to handle errors and warnings. |
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Line 335 A callback function to handle errors and warnings. |
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See |
See |
.Pa main.c |
.Pa main.c |
for an example. |
for an example. |
.It Ar mchars |
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An opaque pointer to a a character table obtained from |
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.Xr mchars_alloc 3 . |
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.It Ar defos |
.It Ar defos |
A default string for the |
A default string for the |
.Xr mdoc 7 |
.Xr mdoc 7 |
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implemented in |
implemented in |
.Pa read.c . |
.Pa read.c . |
.It Fn mparse_open |
.It Fn mparse_open |
If the |
Open the file for reading. |
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If that fails and |
.Fa fname |
.Fa fname |
ends in |
does not already end in |
.Pa .gz , |
.Ql .gz , |
open with |
try again after appending |
.Xr gunzip 1 ; |
.Ql .gz . |
otherwise, with |
Save the information whether the file is zipped or not. |
.Xr open 2 . |
Return a file descriptor open for reading or -1 on failure. |
If |
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.Xr open 2 |
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fails, append |
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.Pa .gz |
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and try with |
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.Xr gunzip 1 . |
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Return a file descriptor open for reading in |
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.Fa fd , |
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or -1 on failure. |
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It can be passed to |
It can be passed to |
.Fn mparse_readfd |
.Fn mparse_readfd |
or used directly. |
or used directly. |
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.Fn mparse_open . |
.Fn mparse_open . |
Pass the associated filename in |
Pass the associated filename in |
.Va fname . |
.Va fname . |
Calls |
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.Fn mparse_wait |
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before returning. |
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This function may be called multiple times with different parameters; however, |
This function may be called multiple times with different parameters; however, |
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.Xr close 2 |
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and |
.Fn mparse_reset |
.Fn mparse_reset |
should be invoked between parses. |
should be invoked between parses. |
Declared in |
Declared in |
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.Pa read.c . |
.Pa read.c . |
.It Fn mparse_strlevel |
.It Fn mparse_strlevel |
Return a statically-allocated string representation of a level code. |
Return a statically-allocated string representation of a level code. |
Declared in |
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.In mandoc.h , |
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implemented in |
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.Pa read.c . |
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.It Fn mparse_wait |
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Bury a |
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.Xr gunzip 1 |
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child process that was spawned with |
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.Fn mparse_open . |
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To be called after the parse sequence is complete. |
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Not needed after |
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.Fn mparse_readfd , |
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but does no harm in that case, either. |
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Returns |
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.Dv MANDOCLEVEL_OK |
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on success and |
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.Dv MANDOCLEVEL_SYSERR |
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on failure, that is, when |
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.Xr wait 2 |
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fails, or when |
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.Xr gunzip 1 |
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died from a signal or exited with non-zero status. |
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Declared in |
Declared in |
.In mandoc.h , |
.In mandoc.h , |
implemented in |
implemented in |