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slidedraw
2002-03-20 15:31:36 +00:00
commit 89c4cdb2d7
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/*
pptHtml - Format a PowerPoint Presentation into Html
Copyright 2002 Charles N Wyble <jackshck@yahoo.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#if !(defined( __BORLANDC__ ) || defined( __WIN32__ ))
#include "config.h" /* Created by ./configure script */
#include "support.h" /* Needs to be before internal.h */
#include "internal.h" /* Needs to be before cole */
#include "cole.h"
#else
#include "config.h.in" /* Created by ./configure script */
#include "support.h" /* Needs to be before internal.h */
#include "internal.h" /* Needs to be before cole */
#include "cole.h.in"
#include <dir.h>
#endif
#include <stdio.h>
#include <string.h> /* for strcpy() */
#include <ctype.h> /* For isprint */
#include <stdlib.h> /* For exitt() */
#define PRGNAME "pptHtml"
#if !(defined( __WIN32__ ) || defined( __BORLANDC__ ))
#define PRGVER VERSION
#else
#define PRGVER "0.4"
#endif
#define WORK_SIZE 8192
static char FileName[2][32] = /* The section of the PowerPoint File we read */
{
"/PowerPoint Document", /* Power Point 97 & 2000 */
"/PP40" /* Everything else ? */
};
/* Function Prototypes */
COLE_LOCATE_ACTION_FUNC dump_file;
static void container_processor(int);
static void atom_processor(int, int, int, unsigned char);
static void print_unicode(unsigned char *, int);
static void print_utf8(unsigned short c);
static void put_utf8(unsigned short c);
/* Global data */
static char filename[128];
static unsigned char working_buffer[WORK_SIZE];
static int buf_idx=0;
static int output_this_container = 0;
static int past_first_slide = 0;
static int last_container = 0;
int main (int argc, char **argv)
{
int f_ptr = 0;
COLEFS * cfs;
COLERRNO colerrno;
if (argc < 2)
{
fprintf (stderr, "pptHtml - Outputs Power Point files as Html.\n"
"Usage: "PRGNAME" <FILE>\n");
exit (1);
}
else
{
strncpy(filename, argv[1], 124);
#if defined( __WIN32__ ) || defined( __BORLANDC__ )
{
char *ptr = strchr(filename, ':');
if (ptr)
{
int len;
char new_drive[MAXPATH];
fnsplit(filename, new_drive, 0, 0, 0);
if (new_drive[0] >= 'a')
setdisk(new_drive[0] - 'a');
else
setdisk(new_drive[0] - 'A');
ptr++; /* Get past the colon */
len = strlen(ptr);
memmove(filename, ptr, len);
filename[len] = 0;
}
}
#endif
cfs = cole_mount (filename, &colerrno);
if (cfs == NULL)
{
cole_perror (PRGNAME, colerrno);
exit (1);
}
}
while (cole_locate_filename (cfs, FileName[f_ptr], NULL, dump_file, &colerrno))
{
if (f_ptr)
{ /* Two strikes...we're out! */
cole_perror (PRGNAME, colerrno);
if (colerrno == COLE_EFILENOTFOUND)
fprintf(stderr, "Section: PowerPoint Document\n");
break;
}
else /* Don't do this... */
f_ptr++;
}
if (cole_umount (cfs, &colerrno))
{
cole_perror ("travel", colerrno);
exit (1);
}
return 0;
}
void dump_file(COLEDIRENT *cde, void *_info)
{
unsigned long version=0, instance=0, type=0, length=0, target=0, count=0;
unsigned char buf[16];
COLEFILE *cf;
COLERRNO err;
cf = cole_fopen_direntry(cde, &err);
/* Ouput Header */
printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\">\n");
printf("<HTML><HEAD><TITLE>%s", filename);
printf("</TITLE></HEAD><BODY>\n");
/* Output body */
while (cole_fread(cf, buf, 1, &err))
{
if (count == 0)
{
instance = buf[0];
type = 0;
length = 0;
target = 80; /* ficticious number */
}
else if (count == 1)
{
instance |= (buf[0]<<8);
version = instance &0x000F;
instance = (instance>>4);
}
else if (count == 2)
type = (unsigned)buf[0];
else if (count == 3)
type |= (buf[0]<<8)&0x00000FFFL;
else if (count == 4)
length = (unsigned)buf[0];
else if (count == 5)
length |= (buf[0]<<8);
else if (count == 6)
length |= (buf[0]<<16);
else if (count == 7)
{
length |= (buf[0]<<24);
target = length;
if (version == 0x0F)
{ /* Do container level Processing */
container_processor(type);
count = -1;
}
}
if (count > 7)
{ /* Here is where we want to process the data
based on the Atom type... */
atom_processor(type, count-8, target-1, buf[0]);
}
if (count == (target+7))
count = 0;
else
count++;
}
if (past_first_slide)
printf("<HR>");
printf("&nbsp;<br>\n");
/* Output Credit */
printf("<hr><FONT SIZE=-1>Created with <a href=\"http://chicago.sf.net/xlhtml\">pptHtml %s</a></FONT><br>\n", PRGVER);
/* Output Tail */
printf("</BODY></HTML>\n");
cole_fclose(cf, &err);
}
static void container_processor(int type)
{
if (type == 0x03EE)
{
if (past_first_slide)
printf("<BR><HR><BR>\n");
else
past_first_slide = 1;
}
switch (type)
{
case 0x000D:
if (last_container == 0x11) /* suppress notes info */
output_this_container = 0;
else
output_this_container = 1;
break;
case 0x0FF0:
output_this_container = 1;
break;
default:
/* printf("Cont:%x|\n", type); */
output_this_container = 0;
break;
}
last_container = type;
}
static void atom_processor(int type, int count, int buf_last, unsigned char data)
{
if ((buf_idx >= WORK_SIZE)||(output_this_container == 0))
return;
if (count == 0)
{
memset(working_buffer, 0, WORK_SIZE);
buf_idx = 0;
}
switch (type)
{
case 0x0FA0: /* Text String in unicode */
working_buffer[buf_idx++] = data;
if (count == buf_last)
{
/* printf("Atom:%x|\n", type); */
/* working_buffer[buf_idx++] = 0; */
/* printf("%s<BR>\n", working_buffer); */
print_unicode(working_buffer, buf_idx);
printf("<BR>\n");
}
break;
case 0x0FA8: /* Text String in ASCII */
working_buffer[buf_idx++] = data;
if (count == buf_last)
{
int i;
/* working_buffer[buf_idx++] = 0; */
/* printf("Atom:%x|\n", type); */
for (i=0;i<buf_idx; i++)
{
/* printf("%02X &nbsp;", (int)working_buffer[i]); */ /* Debug */
if (working_buffer[i] == 0x0D)
printf("<BR>\n");
else
putchar(working_buffer[i]);
}
printf("<BR>\n");
}
break;
case 0x0FBA: /* CString - unicode... */
working_buffer[buf_idx++] = data;
if (count == buf_last)
{
/* working_buffer[buf_idx++] = 0; */
/* printf("%s<BR>\n", working_buffer); */
/* printf("Atom:%x|\n", type); */
print_unicode(working_buffer, buf_idx);
printf("<BR>\n");
}
break;
default:
break;
}
}
static void print_unicode(unsigned char *ucs, int len)
{
int i;
for (i = 0; i < len; i += 2)
print_utf8(ucs[i] | (ucs[i+1] << 8));
}
static void OutputCharCorrected(unsigned char c)
{
switch (c)
{ /* Special char handlers here... */
case '\r':
printf("<BR>\n");
break;
case 0x3C:
printf("&lt;");
break;
case 0x3E:
printf("&gt;");
break;
case 0x26:
printf("&amp;");
break;
case 0x22:
printf("&quot;");
break;
/* Also need to cover 128-159 since MS uses this area... */
case 0x80: /* Euro Symbol */
printf("&#8364;");
break;
case 0x82: /* baseline single quote */
printf("&#8218;");
break;
case 0x83: /* florin */
printf("&#402;");
break;
case 0x84: /* baseline double quote */
printf("&#8222;");
break;
case 0x85: /* ellipsis */
printf("&#8230;");
break;
case 0x86: /* dagger */
printf("&#8224;");
break;
case 0x87: /* double dagger */
printf("&#8225;");
break;
case 0x88: /* circumflex accent */
printf("&#710;");
break;
case 0x89: /* permile */
printf("&#8240;");
break;
case 0x8A: /* S Hacek */
printf("&#352;");
break;
case 0x8B: /* left single guillemet */
printf("&#8249;");
break;
case 0x8C: /* OE ligature */
printf("&#338;");
break;
case 0x8E: /* #LATIN CAPITAL LETTER Z WITH CARON */
printf("&#381;");
break;
case 0x91: /* left single quote ? */
printf("&#8216;");
break;
case 0x92: /* right single quote ? */
printf("&#8217;");
break;
case 0x93: /* left double quote */
printf("&#8220;");
break;
case 0x94: /* right double quote */
printf("&#8221;");
break;
case 0x95: /* bullet */
printf("&#8226;");
break;
case 0x96: /* endash */
printf("&#8211;");
break;
case 0x97: /* emdash */
printf("&#8212;");
break;
case 0x98: /* tilde accent */
printf("&#732;");
break;
case 0x99: /* trademark ligature */
printf("&#8482;");
break;
case 0x9A: /* s Haceks Hacek */
printf("&#353;");
break;
case 0x9B: /* right single guillemet */
printf("&#8250;");
break;
case 0x9C: /* oe ligature */
printf("&#339;");
break;
case 0x9F: /* Y Dieresis */
printf("&#376;");
break;
default:
putchar(c);
break;
}
}
static void print_utf8(unsigned short c)
{
if (c == 0)
return;
if (c < 0x80)
OutputCharCorrected(c);
else if (c < 0x800)
{
putchar(0xC0 | (c >> 6));
put_utf8(c);
}
else
{
putchar(0xE0 | (c >> 12));
put_utf8(c >> 6);
put_utf8(c);
}
}
static void put_utf8(unsigned short c)
{
putchar(0x0080 | ((short)c & 0x003F));
}