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/******************************************************************************
wn_write_blanks_pretty(stream,num)
wn_write_blanks_pretty_until_column(stream,col)
wn_write_literal_pretty(stream,literal)
wn_write_id_pretty(stream,id)
wn_write_int_pretty(stream,i)
wn_write_double_pretty(stream,f)
wn_write_quoted_string_pretty(stream,start_char,string,fin_char)
******************************************************************************/
/****************************************************************************
COPYRIGHT NOTICE:
The source code in this file is provided free of charge
to the author's consulting clients. It is in the
public domain and therefore may be used by anybody for
any purpose.
AUTHOR:
Will Naylor
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include "wnlib.h"
#include "wnmax.h"
#include "wncstr.h"
local void write_pretty_linefeed_if_needed(wn_cstream stream,int len)
{
if(
(stream->pretty_block_level == 0)
&&
(
(wn_current_mark(stream)+len - stream->last_linefeed_mark)
>
stream->line_length_limit
)
)
{
(*(stream->ppretty_linefeed_routine))(stream);
}
}
void wn_write_blanks_pretty(wn_cstream stream,int num)
{
if(stream->pretty_block_level != 0)
{
wn_write_blanks(stream,num);
}
else
{
if(
(wn_current_mark(stream)+num - stream->last_linefeed_mark)
>
stream->line_length_limit
)
{
(*(stream->ppretty_linefeed_routine))(stream);
}
else
{
wn_write_blanks(stream,num);
}
}
}
void wn_write_blanks_pretty_until_column(wn_cstream stream,int col)
{
int tab_blanks;
tab_blanks = col - wn_column_of_current_mark(stream);
wn_write_blanks_pretty(stream,wn_max(0,tab_blanks));
}
void wn_write_literal_pretty(wn_cstream stream,char *literal)
{
int len;
len = strlen(literal);
write_pretty_linefeed_if_needed(stream,len);
wn_write_block(stream,literal,len);
}
void wn_write_id_pretty(wn_cstream stream,char *id)
{
int len;
len = strlen(id);
write_pretty_linefeed_if_needed(stream,len);
wn_write_block(stream,id,len);
}
void wn_write_int_pretty(wn_cstream stream,int i)
{
int len;
char buf[50];
sprintf(buf,"%d",i);
len = strlen(buf);
write_pretty_linefeed_if_needed(stream,len);
wn_write_block(stream,buf,len);
}
void wn_write_double_pretty(wn_cstream stream,double f)
{
int len;
char buf[50];
sprintf(buf,"%g",(float)f);
len = strlen(buf);
write_pretty_linefeed_if_needed(stream,len);
wn_write_block(stream,buf,len);
}
void wn_write_quoted_string_pretty
(
wn_cstream stream,
char start_char,
char *string,
char fin_char
)
{
int len;
len = strlen(string);
write_pretty_linefeed_if_needed(stream,len+2);
wn_write_char(stream,start_char);
wn_write_block(stream,string,len);
wn_write_char(stream,fin_char);
}
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