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#include <stdio.h>
//#include "ppapi.h"
#include "pplib.h"
#include "assert.h"
static int usage (const char *argv0)
{
printf("pplib " pplib_version ", " pplib_author "\n");
printf("usage: %s file1.pdf file2.pdf ...\n", argv0);
return 0;
}
static void print_result_filter (ppstream *stream, int decode)
{
ppstream_filter info;
size_t i;
ppstream_filter_info(stream, &info, decode);
printf("when %s: /Filter [", decode ? "uncompressed" : "compressed");
for (i = 0; i < info.count; ++i)
printf(" /%s", ppstream_filter_name[info.filters[i]]);
printf(" ]");
if (info.params != NULL)
{
printf(" /DecodeParms [");
for (i = 0; i < info.count; ++i)
printf(" %s", info.params[i] != NULL ? "<<...>>" : "null");
printf(" ]");
}
printf("\n");
}
static void print_stream_info (ppref *ref, ppstream *stream)
{
size_t length;
printf("object %lu %lu R\n", (unsigned long)ref->number, (unsigned long)ref->version);
if (stream->flags & PPSTREAM_FILTER)
printf("filtered ");
else
printf("plain ");
if (stream->flags & PPSTREAM_IMAGE)
printf("image ");
else
printf("stream ");
if (stream->flags & PPSTREAM_ENCRYPTED)
printf("encrypted ");
if (stream->flags & PPSTREAM_NOT_SUPPORTED)
printf("invalid ");
if (!ppdict_rget_uint(stream->dict, "Length", &length))
length = 0;
assert(stream->length == length);
printf("length %lu (/Length %lu)\n", (unsigned long)stream->length, (unsigned long)length);
print_result_filter(stream, 0);
print_result_filter(stream, 1);
printf("\n");
}
int main (int argc, const char **argv)
{
const char *filepath;
int a;
ppdoc *pdf;
ppxref *xref;
ppxsec *xsec;
size_t xi;
ppuint refnum;
ppref *ref;
if (argc < 2)
return usage(argv[0]);
for (a = 1; a < argc; ++a)
{
filepath = argv[a];
printf("loading %s... ", filepath);
pdf = ppdoc_load(filepath);
if (pdf == NULL)
{
printf("failed\n");
continue;
}
printf("done.\n");
for (xref = ppdoc_xref(pdf); xref != NULL; xref = ppxref_prev(xref))
{
for (xi = 0, xsec = xref->sects; xi < xref->size; ++xi, ++xsec)
{
for (refnum = xsec->first, ref = xsec->refs; refnum <= xsec->last; ++refnum, ++ref)
{
if (ref->object.type != PPSTREAM)
continue;
print_stream_info(ref, ref->object.stream);
}
}
}
ppdoc_free(pdf);
}
return 0;
}
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