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/*
* mutool -- swiss army knife of pdf manipulation tools
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define nelem(x) (sizeof(x)/sizeof((x)[0]))
int pdfclean_main(int argc, char *argv[]);
int pdfextract_main(int argc, char *argv[]);
int pdfinfo_main(int argc, char *argv[]);
int pdfposter_main(int argc, char *argv[]);
int pdfshow_main(int argc, char *argv[]);
static struct {
int (*func)(int argc, char *argv[]);
char *name;
char *desc;
} tools[] = {
{ pdfclean_main, "clean", "rewrite pdf file" },
{ pdfextract_main, "extract", "extract font and image resources" },
{ pdfinfo_main, "info", "show information about pdf resources" },
{ pdfposter_main, "poster", "split large page into many tiles" },
{ pdfshow_main, "show", "show internal pdf objects" },
};
static int
namematch(const char *end, const char *start, const char *match)
{
int len = strlen(match);
return ((end-len >= start) && (strncmp(end-len, match, len) == 0));
}
int main(int argc, char **argv)
{
char *start, *end;
char buf[32];
int i;
if (argc == 0)
{
fprintf(stderr, "No command name found!\n");
return 1;
}
/* Check argv[0] */
if (argc > 0)
{
end = start = argv[0];
while (*end)
end++;
if ((end-4 >= start) && (end[-4] == '.') && (end[-3] == 'e') && (end[-2] == 'x') && (end[-1] == 'e'))
end = end-4;
for (i = 0; i < nelem(tools); i++)
{
strcpy(buf, "mupdf");
strcat(buf, tools[i].name);
if (namematch(end, start, buf) || namematch(end, start, buf+2))
return tools[i].func(argc, argv);
}
}
/* Check argv[1] */
if (argc > 1)
{
for (i = 0; i < nelem(tools); i++)
if (!strcmp(tools[i].name, argv[1]))
return tools[i].func(argc - 1, argv + 1);
}
/* Print usage */
fprintf(stderr, "usage: mutool <command> [options]\n");
for (i = 0; i < nelem(tools); i++)
fprintf(stderr, "\t%s\t-- %s\n", tools[i].name, tools[i].desc);
return 1;
}
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