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autodoc.c
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autodoc.c
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/*-----------------------------------------------------------------
** $PROJECT:
**
** $VER: autodoc.c 2.2 (25.01.95)
**
** by
**
** Stefan Ruppert , Windthorststra_e 5 , 65439 Flvrsheim , GERMANY
**
** (C) Copyright 1995
** All Rights Reserved !
**
** $HISTORY:
**
** 25.01.95 : 002.002 : changed to patchlevel 33
** 22.01.95 : 000.001 : initial
**
** Converted to ANSI-C by Mark O'Neill <[email protected]>
----------------------------------------------------------------*/
#include "c2man.h"
#include "manpage.h"
#include "output.h"
#include <ctype.h>
#ifdef DEBUG
#define D(x) x
#else
#define D(x)
#endif /* DEBUG */
#define MAX_TAG 10
static const int linelength = 79;
static const int tablength = 4;
static const int indentlength = 4;
static int indent = 4;
static int list_indent = 0;
static int column = 0;
static int newline = FALSE;
static int breakline = FALSE;
static int see_also = FALSE;
static int fileend = FALSE;
static int acttable = -1;
static int tablemaxtag[MAX_TAG];
void autodoc_format(const char *text)
{
if(see_also)
{ if(column + ((text) ? strlen(text) + 2 : 1) > linelength)
{ (void)putc('\n',stdout);
newline = TRUE;
}
}
if(newline)
{ int i;
column = i = indent + list_indent;
for(; i ; i--)
(void)putc(' ',stdout);
newline = FALSE;
}
}
void autodoc_text(const char *text)
{
int br = 1;
autodoc_format(text);
if(!see_also || (br = strcmp(text,",\n")))
{ if(see_also < 2)
{ (void)put_string(text);
column += strlen(text);
}
}
else if(!br)
{
column += 2;
put_string(", ");
}
}
void autodoc_char(const int c)
{
if(c != '\f')
{ autodoc_format(NULL);
if(c == '\t')
{ int i = tablength - (column % tablength);
column += i;
for(; i ; i--)
(void)putc(' ',stdout);
}
else
{
if(see_also)
{
if(c == '(')
see_also++;
else if(c == ')')
see_also--;
}
(void)putc(c,stdout);
column++;
}
if((newline = (c == '\n')))
column = 0;
}
}
void autodoc_comment()
{ }
void autodoc_header(ManualPage *firstpage,
int input_files,
boolean grouped,
const char *name,
const char *terse,
const char *section)
{
const char *basename = strrchr(firstpage->sourcefile, '/');
int len;
int spc;
fileend = FALSE;
if(basename && *basename == '/')
basename++;
len = ((basename) ? strlen(basename) + 1 : 0) + strlen(name);
spc = linelength - 2 * len;
see_also = FALSE;
if(basename)
{ autodoc_text(basename);
autodoc_char('/');
}
autodoc_text(name);
if(spc > 0)
{
while(spc)
{
autodoc_char(' ');
spc--;
}
if(basename)
{
autodoc_text(basename);
autodoc_char('/');
}
autodoc_text(name);
} else
{
const char *ptr = name;
len = linelength - 1 - len;
while(len)
{
if(basename && *basename)
{ autodoc_char(*basename);
basename++;
}
else
{
if(ptr == name && basename)
autodoc_char('/');
else
{
autodoc_char(*ptr);
ptr++;
}
}
len--;
}
}
put_string("\n");
}
void autodoc_dash()
{ put_string("-");
}
void autodoc_section(const char *name)
{
D((fprintf(stderr,"section : %s\n",name)));
newline = FALSE;
see_also = FALSE;
put_string("\n");
if(!strcmp(name,"DESCRIPTION"))
name = "FUNCTION";
else if(!strcmp(name,"PARAMETERS"))
name = "INPUTS";
else if(!strcmp(name,"RETURNS"))
name = "RESULT";
else if(!strcmp(name,"SEE ALSO"))
see_also = TRUE;
put_string(" ");
autodoc_text(name);
indent = 8;
list_indent = 0;
autodoc_char('\n');
}
void autodoc_sub_section(const char *name)
{ autodoc_text(name);
indent = 12;
}
void autodoc_break_line(void)
{ breakline = TRUE;
}
void autodoc_blank_line(void)
{ autodoc_char('\n');
}
void autodoc_code_start()
{ }
void autodoc_code_end()
{ }
void autodoc_code(const char *text)
{ autodoc_text(text);
}
void autodoc_tag_entry_start(void)
{ if(list_indent > 0)
{ autodoc_char('\n');
list_indent -= indentlength;
}
}
void autodoc_tag_entry_start_extra(void)
{ if(list_indent > 0)
{ autodoc_char('\n');
list_indent -= indentlength;
}
}
void autodoc_tag_entry_end(void)
{ list_indent += indentlength;
autodoc_char('\n');
}
void autodoc_tag_entry_end_extra(const char *text)
{ put_string("\" \"\t(");
autodoc_text(text);
put_string(")\"\n");
list_indent += indentlength;
}
void autodoc_table_start(const char *longestag)
{ if(acttable < MAX_TAG - 1)
{
acttable++;
tablemaxtag[acttable] = strlen(longestag);
}
indent += indentlength;
newline = TRUE;
}
void autodoc_table_entry(const char *name, const char *description)
{ int i = tablemaxtag[acttable] - strlen(name) + 1;
autodoc_code(name);
while(i > 0)
{ (void)putc(' ',stdout);
i--;
}
(void)putc('-',stdout);
(void)putc(' ',stdout);
if (description)
output_comment(description);
else
autodoc_char('\n');
}
void autodoc_table_end(void)
{ if(acttable > -1)
acttable--;
autodoc_char('\n');
indent -= indentlength;
if(list_indent > 0)
list_indent -= indentlength;
}
void autodoc_indent(void)
{ int i;
for(i = indent + list_indent; i ; i--)
autodoc_char(' ');
}
void autodoc_list_start(void)
{ indent += indentlength;
newline = TRUE;
}
void autodoc_list_entry(const char *name)
{ autodoc_code(name);
}
void autodoc_list_separator(void)
{ put_string(" ,");
}
void autodoc_list_end(void)
{ autodoc_char('\n');
autodoc_table_end();
}
void autodoc_include(const char *filename)
{
}
void autodoc_terse_sep(void)
{ autodoc_char(' ');
autodoc_dash();
autodoc_char(' ');
}
void autodoc_name(const char *name)
{ if(name)
autodoc_text(name);
else
autodoc_section("NAME");
}
void autodoc_file_end(void)
{ if(!fileend)
(void)putc('\f',stdout);
fileend = TRUE;
newline = FALSE;
}
/*-----------------------------------------------------------------*/
/* ideally, this should be made aware of embedded autodoc commands */
/*-----------------------------------------------------------------*/
void autodoc_description(const char *text)
{ enum { TEXT, PERIOD, CAPITALISE } state = CAPITALISE;
boolean new_line = TRUE;
/*------------------------------------------*/
/* correct punctuation a bit as it goes out */
/*------------------------------------------*/
for (;*text;text++)
{ int c = *text;
if (new_line && (c == '-' || c == '*'))
{ output->break_line();
state = CAPITALISE;
}
else if (c == '.')
state = PERIOD;
else if (isspace(c) && state == PERIOD)
state = CAPITALISE;
else if (isalnum(c))
{ if (islower(c) && state == CAPITALISE) c = toupper(c);
state = TEXT;
}
output->character(c);
new_line = c == '\n';
}
/*------------------------------------*/
/* do a full stop if there wasn't one */
/*------------------------------------*/
if (state == TEXT) output->character('.');
}
/*-----------------------------------------------------------------*/
/* ideally, this should be made aware of embedded autodoc commands */
/*-----------------------------------------------------------------*/
void autodoc_returns(const char *comment)
{ enum { TEXT, PERIOD, CAPITALISE } state = CAPITALISE;
char lastchar = '\n';
boolean tag_list_started = FALSE;
/*------------------*/
/* for each line... */
/*------------------*/
while (*comment)
{ boolean tagged = FALSE;
{ const char *c = comment;
/*--------------------------------------*/
/* search along until the end of a word */
/*--------------------------------------*/
while (*c && *c != ':' && !isspace(*c))
c++;
/*----------------------------------------------*/
/* skip all spaces or tabs after the first word */
/*----------------------------------------------*/
while (*c && *c != '\n')
{
if (*c == '\t' || *c == ':')
{ tagged = TRUE;
break;
}
else if (!isspace(*c))
break;
c++;
}
}
/*-----------------------------------------------*/
/* is it tagged?; explicitly reject dot commands */
/*-----------------------------------------------*/
if (tagged)
{
/*-------------------------------------*/
/* output hanging newline if necessary */
/*-------------------------------------*/
if (lastchar != '\n')
{ if (state == TEXT && !ispunct(lastchar))
output->character('.');
output->character(lastchar = '\n');
}
if (!tag_list_started)
{ output->tag_list_start();
tag_list_started = TRUE;
}
/*-----------------------*/
/* output the tagged bit */
/*-----------------------*/
output->tag_entry_start();
while (*comment && *comment != ':' && !isspace(*comment))
output->character(*comment++);
output->tag_entry_end();
/*-------------------------------*/
/* skip any extra tabs or spaces */
/*-------------------------------*/
while (*comment == ':' || (isspace(*comment) && *comment != '\n'))
comment++;
state = CAPITALISE;
}
/*------------------------------------------*/
/* terminate the previous line if necessary */
/*------------------------------------------*/
if (lastchar != '\n')
output->character(lastchar = '\n');
/*------------------------------------------------*/
/* correct punctuation a bit as the line goes out */
/*------------------------------------------------*/
for (;*comment && *comment != '\n'; comment++)
{ char c = *comment;
if (c == '.')
state = PERIOD;
else if (isspace(c) && state == PERIOD)
state = CAPITALISE;
else if (isalnum(c))
{
if (islower(c) && state == CAPITALISE && fixup_comments)
c = toupper(c);
state = TEXT;
}
output->character(lastchar = c);
}
/*-------------------------------------------------------------------*/
/* if it ended in punctuation, just output the newline straight away */
/*-------------------------------------------------------------------*/
if (ispunct(lastchar))
{ if (lastchar == '.')
state = CAPITALISE;
output->character(lastchar = '\n');
}
if (*comment)
comment++;
}
/*-------------------------------------*/
/* output hanging newline if necessary */
/*-------------------------------------*/
if (lastchar != '\n')
{ if (state == TEXT && !ispunct(lastchar) && fixup_comments)
output->character('.');
output->character('\n');
}
if (tag_list_started)
output->tag_list_end();
}
struct Output autodoc_output =
{
autodoc_comment,
autodoc_header,
autodoc_dash,
autodoc_section,
autodoc_sub_section,
autodoc_break_line,
autodoc_blank_line,
autodoc_code_start,
autodoc_code_end,
autodoc_code,
dummy, // autodoc_tag_list_start
dummy, // autodoc_tag_list_end
autodoc_tag_entry_start,
autodoc_tag_entry_start_extra,
autodoc_tag_entry_end,
autodoc_tag_entry_end_extra,
autodoc_table_start,
autodoc_table_entry,
autodoc_table_end,
autodoc_indent,
autodoc_list_start,
autodoc_code, // autodoc_list_entry
autodoc_list_separator,
autodoc_list_end,
autodoc_include,
autodoc_file_end, // autodoc_file_end
autodoc_text,
autodoc_char,
NULL, // autodoc_parse_option
dummy, // autodoc_print_options
autodoc_name,
autodoc_terse_sep,
autodoc_text, // autodoc_reference
autodoc_text, // autodoc_emphasized
autodoc_description,
autodoc_returns
};