125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
|
|
||
|
|
/*
|
||
|
|
( cd xorriso ; cc -g -Wall -o unite_html_b_line unite_html_b_line.c )
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
Specialized converter for the output of man -H,
|
||
|
|
which unites lines where the line end is between <b> and </b>.
|
||
|
|
|
||
|
|
Copyright 2015 Thomas Schmitt, <scdbackup@gmx.net>
|
||
|
|
|
||
|
|
Provided under GPL version 2 or later.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include "../config.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <ctype.h>
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
|
||
|
|
int unite_lines(char *buffer, int *b_open, int *b_state, int flag)
|
||
|
|
{
|
||
|
|
char *cpt;
|
||
|
|
int last_was_nl= 0;
|
||
|
|
|
||
|
|
for(cpt= buffer; *cpt != 0; cpt++) {
|
||
|
|
if(*b_open) {
|
||
|
|
if(*b_state == 0 && *cpt == '<') {
|
||
|
|
*b_state= 1;
|
||
|
|
} else if(*b_state == 1) {
|
||
|
|
if(*cpt == '/')
|
||
|
|
*b_state= 2;
|
||
|
|
else
|
||
|
|
*b_state= 0;
|
||
|
|
} else if(*b_state == 2) {
|
||
|
|
if(*cpt == 'b' || *cpt == 'B')
|
||
|
|
*b_state= 3;
|
||
|
|
else
|
||
|
|
*b_state= 0;
|
||
|
|
} else if(*b_state == 3) {
|
||
|
|
if(*cpt == '>')
|
||
|
|
*b_open= 0;
|
||
|
|
*b_state= 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if(*b_state == 0 && *cpt == '<') {
|
||
|
|
*b_state= 1;
|
||
|
|
} else if(*b_state == 1) {
|
||
|
|
if(*cpt == 'b' || *cpt == 'B')
|
||
|
|
*b_state= 2;
|
||
|
|
else
|
||
|
|
*b_state= 0;
|
||
|
|
} else if(*b_state == 2) {
|
||
|
|
if(*cpt == '>')
|
||
|
|
*b_open= 1;
|
||
|
|
*b_state= 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
last_was_nl= (*cpt == '\n');
|
||
|
|
}
|
||
|
|
if(*b_open && last_was_nl) {
|
||
|
|
/* replace newline */
|
||
|
|
*(cpt - 1)= ' ';
|
||
|
|
}
|
||
|
|
return(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
FILE *fpin, *fpout;
|
||
|
|
char buffer[4096], *respt;
|
||
|
|
int ret, b_open= 0, b_state= 0;
|
||
|
|
|
||
|
|
if(argc != 3) {
|
||
|
|
fprintf(stderr, "usage: %s input_path output_path\n", argv[0]);
|
||
|
|
return(1);
|
||
|
|
}
|
||
|
|
if(strcmp(argv[1], "-") == 0) {
|
||
|
|
fpin= stdin;
|
||
|
|
} else {
|
||
|
|
fpin= fopen(argv[1], "rb");
|
||
|
|
if(fpin == 0) {
|
||
|
|
fprintf(stderr, "Error with input file '%s' : %s\n",
|
||
|
|
argv[1], strerror(errno));
|
||
|
|
return(2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(strcmp(argv[2], "-") == 0) {
|
||
|
|
fpout= stdout;
|
||
|
|
} else {
|
||
|
|
fpout= fopen(argv[2], "wb");
|
||
|
|
if(fpout == 0) {
|
||
|
|
fprintf(stderr, "Error with output file '%s' : %s\n",
|
||
|
|
argv[2], strerror(errno));
|
||
|
|
return(3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while(1) {
|
||
|
|
respt= fgets(buffer, sizeof(buffer), fpin);
|
||
|
|
if(respt == NULL)
|
||
|
|
break;
|
||
|
|
ret= unite_lines(buffer, &b_open, &b_state, 0);
|
||
|
|
if(ret <= 0)
|
||
|
|
break;
|
||
|
|
ret= fputs(buffer, fpout);
|
||
|
|
if(ret < 0) {
|
||
|
|
fprintf(stderr, "Error writing to output file '%s' : %s\n",
|
||
|
|
argv[2], strerror(errno));
|
||
|
|
return(4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(fpin != stdin)
|
||
|
|
fclose(fpin);
|
||
|
|
if(fpout != stdout)
|
||
|
|
fclose(stdout);
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|