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/* pdf2swf.cc
main routine for pdf2swf(1)
Part of the swftools package.
Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
This file is distributed under the GPL, see file COPYING for details */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "../config.h"
#include "args.h"
#include "pdfswf.h"
#include "t1lib.h"
extern "C" {
#include "log.h"
}
static char * outputname = 0;
static int loglevel = 3;
static char * pagerange = 0;
static char * filename = 0;
static char * password = 0;
int args_callback_option(char*name,char*val) {
if (!strcmp(name, "o"))
{
outputname = val;
return 1;
}
else if (!strcmp(name, "v"))
{
loglevel ++;
return 0;
}
else if (name[0]=='p')
{
/* check whether the page range follows the p directly, like
in -p1,2 */
do {
name++;
} while(*name == 32 || *name == 13 || *name == 10 || *name == '\t');
if(*name) {
pagerange = name;
return 0;
}
pagerange = val;
return 1;
}
else if (!strcmp(name, "P"))
{
password = val;
return 1;
}
else if (!strcmp(name, "V"))
{
printf("pdf2swf - part of %s %s\n", PACKAGE, VERSION);
exit(0);
}
else
{
fprintf(stderr, "Unknown option: -%s\n", name);
exit(1);
}
return 0;
}
struct options_t
{
char shortoption;
char*longoption;
} options[] =
{{'o',"output"},
{'V',"version"},
{'p',"pages"}
};
int args_callback_longoption(char*name,char*val) {
int t;
char*equal = strchr(name,'=');
if (equal) {
*equal = 0;
equal++;
}
for(t=0;t<sizeof(options)/sizeof(struct options_t);t++) {
if(!strcmp(options[t].longoption, name)) {
char*tmp = (char*)malloc(strlen(equal)+strlen(name)+2);
tmp[0] = options[t].shortoption;
tmp[1] = 0;
if(equal) {
strcpy(&tmp[1], equal);
}
return args_callback_option(tmp,val);
}
}
fprintf(stderr, "Unknown option: %s\n", name);
exit(1);
}
int args_callback_command(char*name, char*val) {
if (!filename)
filename = name;
else {
if(outputname)
{
fprintf(stderr, "Error: Do you want the output to go to %s or to %s?",
outputname, name);
exit(1);
}
outputname = name;
}
return 0;
}
void args_callback_usage(char*name)
{
printf("Usage: %s [-p range] [-P password] input.pdf [output.swf]\n", name);
printf("\n");
printf("-p range (range) Convert only pages in range\n");
printf("-P password (password) Use password for deciphering the pdf\n");
printf("\n");
}
/* check whether the value t is in a given range.
examples: 3 is in range 1-10: true
7 is in range 2-4,6,8-10: false
9 is in range 1,2,3-12: true
*/
char is_in_range(int t, char*irange)
{
char*pos = irange;
char*digits;
int num;
char range = 0;
int last=0;
char tmp;
if(!irange) // no range resembles (-OO,OO)
return 1;
while(*pos)
{
while(*pos == ' ' || *pos == '\r' || *pos == '\n' || *pos == '\t')
pos++;
digits = pos;
while(*digits>='0' && *digits<='9')
digits++;
if(digits == pos) {
fprintf(stderr, "Error: \"%s\" is not a valid format (digit expected)\n",irange);
exit(1);
}
tmp=*digits;*digits=0;
num = atoi(pos);
*digits=tmp;
pos = digits;
while(*pos == ' ' || *pos == '\r' || *pos == '\n' || *pos == '\t')
pos++;
if(range && last<=t && num>=t)
return 1;
if(range) {
range = 0;
if(*pos)
pos ++;
continue;
}
if(*pos=='-')
{
if(range) {
fprintf(stderr, "Error: \"%s\" is not a valid format (too many '-'s)\n",irange);
exit(1);
}
last = num;
range = 1;
if(*pos)
pos ++;
continue;
}
else
{
/* if it isn't a '-', we assume it is a seperator like
',', ';', ':', whatever. */
if(t == num)
return 1;
if(*pos)
pos ++;
continue;
}
}
if(range && last<=t)
return 1;
return 0;
}
int main(int argn, char *argv[])
{
processargs(argn, argv);
initLog(0,-1,0,0,-1,loglevel);
// test if the page range is o.k.
is_in_range(0x7fffffff, pagerange);
if (!filename) {
args_callback_usage(argv[0]);
exit(0);
}
logf("<verbose> reading data files from %s\n", DATADIR);
//TODO: use tempnam here. Check if environment already contains a
//T1LIB_CONFIG.
putenv( "T1LIB_CONFIG=/tmp/t1lib.config.tmp");
FILE*fi = fopen("/tmp/t1lib.config.tmp", "wb");
fprintf(fi, "FONTDATABASE=%s/FontDataBase\n", DATADIR);
fprintf(fi, "ENCODING=%s:.\n", DATADIR);
fprintf(fi, "AFM=%s:.\n", DATADIR);
fprintf(fi, "TYPE1=%s:.\n", DATADIR);
fclose(fi);
/* initialize t1lib */
T1_SetBitmapPad( 16);
if ((T1_InitLib(NO_LOGFILE)==NULL)){
fprintf(stderr, "Initialization of t1lib failed\n");
exit(1);
}
unlink("/tmp/t1lib.config.tmp");
pdfswf_init(filename, password);
pdfswf_setoutputfilename(outputname);
int pages = pdfswf_numpages();
int t = 1;
for(t = 1; t <= pages; t++)
{
if(is_in_range(t, pagerange))
pdfswf_convertpage(t);
}
pdfswf_close();
return 0;
}
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