#include <stdio.h>
#include <limits.h>
#include <etc.h>
#include "permut.h"
#include "nadoc.m"

#define CROSSFIX_VERSION	1
#define CROSSFIX_RELEASE	7

static void showver()
{
	fprintf (stderr,"crossfix %d.%d (linuxconf-tools %d.%d)\n"
		,CROSSFIX_VERSION,CROSSFIX_RELEASE
		,TOOLS_VERSION,TOOLS_RELEASE);
}

static void near usage (const char *argv0)
{
	showver();
	const char *msg = MSG_U(I_USAGEFIX,
		"Usage : crossfix -ddir -xcrossref_file [ -x...] html_files\n"
		"\n"
		"\"html_files\" will be copied to the destination directory\n"
		"and the keyword in cross-reference files will be used\n"
		"to insert HREF statement in the HTML files\n"
		"\n"
		"Those crossref are produced by nadoc and crossref utilities\n");
	fputs (msg,stderr);
}

static void crossfix_url (
	const char *file,
	const char *entry,
	FILE *fout)
{
	fprintf (fout,"<a href=\"%s#---%s---\">%s</a>",file,entry,entry);
}

static void crossfix_putc (char car, FILE *fout, bool)
{
	fputc (car,fout);
}

int main (int argc, char *argv[])
{
	etc_loadmsg();
	int ret = -1;
	ARGP_MULTI argp[26];
	argc = anlparm_multi(argc,argv,argp,"dx*v"); 
	const char *dst = argp['d'-'a'].ptr;
	if (argp['v'-'a'].ptr != NULL){
		showver();
	}else if (argc < 2){
		usage(argv[0]);
	}else if (dst == NULL){
		fprintf (stderr,MSG_U(E_DSTDIR
			,"You must specify the destination directory\n"));
	}else{
		ARGP_MULTI *arg = &argp['x'-'a'];
		if (arg->ptr != NULL){
			// Chargement des références croisées
			for (int i=0; i<arg->nbptr; i++){
				char *ptr = arg->ptrs[i];
				crosstbl_load (ptr);
			}
		}else{
			fprintf (stderr,MSG_U(E_ONEXREF
				,"At least one cross reference file needed\n"));
		}
		for (int i=1; i<argc; i++){
			FILE *fin = fopen_err (argv[i],"r",1);
			char pathdst[PATH_MAX];
			sprintf (pathdst,"%s/%s",dst,argv[i]);
			FILE *fout = fopen_err (pathdst,"w",1);
			char buf[1000];
			bool sgml_aware = false;
			while (fgets(buf,sizeof(buf)-1,fin)!=NULL){
				crosstbl_filter (buf,fout,crossfix_putc,crossfix_url,sgml_aware);
			}
			fclose (fout);
			fclose (fin);
		}
	}
	return ret;
}