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/* cmapclean.c -- parse a CMap file and write it back out */
#include <stdio.h>
#include <string.h>
#include "mupdf/pdf.h"
void pc(unsigned int c)
{
if (c <= 0xff) printf("<%02x>", c);
else if (c <= 0xffff) printf("<%04x>", c);
else if (c <= 0xffffff) printf("<%06x>", c);
else printf("<%08x>", c);
}
int
main(int argc, char **argv)
{
fz_context *ctx;
fz_stream *fi;
pdf_cmap *cmap;
int k, m;
int ns, nr;
if (argc != 2)
{
fprintf(stderr, "usage: cmapclean input.cmap\n");
return 1;
}
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
return 1;
}
fi = fz_open_file(ctx, argv[1]);
cmap = pdf_load_cmap(ctx, fi);
fz_drop_stream(ctx, fi);
printf("begincmap\n");
printf("/CMapName /%s def\n", cmap->cmap_name);
printf("/WMode %d def\n", cmap->wmode);
if (cmap->usecmap_name[0])
printf("/%s usecmap\n", cmap->usecmap_name);
if (cmap->codespace_len)
{
printf("begincodespacerange\n");
for (k = 0; k < cmap->codespace_len; k++)
{
if (cmap->codespace[k].n == 1)
printf("<%02x><%02x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
else if (cmap->codespace[k].n == 2)
printf("<%04x><%04x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
else if (cmap->codespace[k].n == 3)
printf("<%06x><%06x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
else if (cmap->codespace[k].n == 4)
printf("<%08x><%08x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
else
printf("<%x><%x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
}
printf("endcodespacerange\n");
}
/* 16-bit ranges */
ns = nr = 0;
for (k = 0; k < cmap->rlen; k++)
if (cmap->ranges[k].high - cmap->ranges[k].low > 0)
++nr;
else
++ns;
if (ns)
{
printf("begincidchar\n");
for (k = 0; k < cmap->rlen; k++) {
if (cmap->ranges[k].high - cmap->ranges[k].low == 0) {
pc(cmap->ranges[k].low);
printf(" %u\n", cmap->ranges[k].out);
}
}
printf("endcidchar\n");
}
if (nr)
{
printf("begincidrange\n");
for (k = 0; k < cmap->rlen; k++) {
if (cmap->ranges[k].high - cmap->ranges[k].low > 0) {
pc(cmap->ranges[k].low);
putchar(' ');
pc(cmap->ranges[k].high);
printf(" %u\n", cmap->ranges[k].out);
}
}
printf("endcidrange\n");
}
/* 32-bit ranges */
ns = nr = 0;
for (k = 0; k < cmap->xlen; k++)
if (cmap->xranges[k].high - cmap->xranges[k].low > 0)
++nr;
else
++ns;
if (ns)
{
printf("begincidchar\n");
for (k = 0; k < cmap->xlen; k++) {
if (cmap->xranges[k].high - cmap->xranges[k].low == 0) {
pc(cmap->xranges[k].low);
printf("%u\n", cmap->xranges[k].out);
}
}
printf("endcidchar\n");
}
if (nr)
{
printf("begincidrange\n");
for (k = 0; k < cmap->xlen; k++) {
if (cmap->xranges[k].high - cmap->xranges[k].low > 0) {
pc(cmap->xranges[k].low);
pc(cmap->xranges[k].high);
printf("%u\n", cmap->xranges[k].out);
}
}
printf("endcidrange\n");
}
/* 1-to-many */
#if 0
if (cmap->mlen > 0)
{
printf("beginbfchar\n");
for (k = 0; k < cmap->mlen; k++)
{
pc(cmap->mranges[k].low);
printf("<");
for (m = 0; m < cmap->mranges[k].len; ++m)
printf("%04x", cmap->mranges[k].out[m]);
printf(">\n");
}
printf("endbfchar\n");
}
#endif
printf("endcmap\n");
fz_drop_context(ctx);
return 0;
}
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