static void rtfSetCharset(RTFGroupData *group)
{
const char *charset_name;
char *save_buf = input_buffer;
if (forced_charset) return;
if (getCharset(group->codepage)) return;
charset_name = charset_from_codepage(group->codepage);
check_charset(&source_csname,charset_name);
input_buffer=NULL;
// if (group->charset && *group->charset) {
// free(group->charset);
// group->charset = NULL;
// }
addCharset(read_charset(source_csname), group->codepage);
group->charset = getCharset(group->codepage);
if (!group->charset)
group->charset = getDefaultCharset();
input_buffer = save_buf;
}
int parse_rtf(FILE *f) {
int para_mode=0, data_skip_mode=0,i;
RTFGroupData *groups=NULL;
int group_count=0, group_store=20;
// this makes sure we have an mbcs lookup table available
(void)read_charset("shiftjis");
// and now set it back to the original
(void)read_charset(source_csname);
int bufptr=-1;
fseek(f,0,SEEK_SET);
if((groups=(RTFGroupData*)calloc(group_store,sizeof(RTFGroupData))) == NULL ) {
perror("Can\'t allocate memory: ");
return 1;
}
groups[0].uc = 1; /* RTF spec says DEfault uc = 1 */
groups[0].mbcs = 0; /* assume not using multibyte characters */
groups[0].codepage = 1252;
groups[0].charset = source_charset;
while ( !feof(f) ) {
int c = fgetc(f);
if ( feof( f ) )
break;
switch (c) {
case '\\': {
int code;
RTFcommand com;
if ((code=getRtfCommand(f, &com)) != 0)
break;
switch (com.type) {
case RTF_SPEC_CHAR:
if (com.numarg == '*' && data_skip_mode == 0) {
data_skip_mode=group_count;
} else if (com.numarg == '\r') {
end_paragraph(&bufptr);
} else if (com.numarg == '~') {
add_to_buffer(&bufptr,0xA0);/* NO-BREAK SPACE */
} else if (com.numarg == '-') {
add_to_buffer(&bufptr,0xAD);/* Optional hyphen */
}
break;
case RTF_EMDASH:
add_to_buffer(&bufptr,0x2014);/* EM DASH*/
break;
case RTF_ENDASH:
add_to_buffer(&bufptr,0x2013);break;
case RTF_BULLET:
add_to_buffer(&bufptr,0x2022);break;
case RTF_LQUOTE: add_to_buffer(&bufptr,0x2018);break;
case RTF_RQUOTE: add_to_buffer(&bufptr,0x2019);break;
case RTF_LDBLQUOTE: add_to_buffer(&bufptr,0x201C);break;
case RTF_RDBLQUOTE: add_to_buffer(&bufptr,0x201D);break;
case RTF_ZWNONJOINER: add_to_buffer(&bufptr,0xfeff);break;
case RTF_EMSPACE:
case RTF_ENSPACE:
add_to_buffer(&bufptr,' ');break;
case RTF_CHAR:
if (data_skip_mode == 0) {
short int *charset = groups[group_count].charset;
// check for multibyte characters - filter check on DBCS lead bytes as unicode charset cp932
if (groups[group_count].mbcs &&
(
((com.numarg >= 0x81) && (com.numarg <= 0x9f)) ||
((com.numarg >= 0xe0) && (com.numarg <= 0xfc))
)
) {
// is next char a command lead-in
int next_char = fgetc(f);
if (next_char == '\\') {
next_char = fgetc(f);
// is it an escaped character?
if (next_char == '\'') {
RTFcommand com2;
ungetc(next_char,f);
next_char=getRtfCommand(f, &com2);
if ((next_char != -1) && (com2.type == RTF_CHAR)) {
// if a trailing byte in mcbs 2nd byte range
if ((com2.numarg >= 0x40) && (com2.numarg <= 0xfc))
// add mbcs char
add_to_buffer(&bufptr, rtf_to_unicode((int) (((unsigned char)com.numarg) << 8) | (unsigned char)(com2.numarg), charset));
else {
// else add as 2 hich bytes
add_to_buffer(&bufptr,rtf_to_unicode(com.numarg, charset));
add_to_buffer(&bufptr,rtf_to_unicode(com2.numarg, charset));
}
}
// screwup in 2nd byte. Add hich char
else
add_to_buffer(&bufptr,rtf_to_unicode(com.numarg,charset));
}
// not a escaped character
else {
// push back values
ungetc(next_char,f);
ungetc('\\',f);
// add hich char
add_to_buffer(&bufptr,rtf_to_unicode(com.numarg, charset));
}
}
// not a command following
else {
// push back values
ungetc(next_char,f);
// add hich char
add_to_buffer(&bufptr,rtf_to_unicode(com.numarg, charset));
}
}
else
add_to_buffer(&bufptr,rtf_to_unicode(com.numarg, charset));
}
break;
case RTF_UC:
groups[group_count].uc=com.numarg;
break;
case RTF_TAB:
add_to_buffer(&bufptr,0x0009);
break;
case RTF_UNICODE_CHAR:
if (com.numarg < 0)
break;
if (data_skip_mode == 0)
add_to_buffer(&bufptr,com.numarg);
i=groups[group_count].uc;
if (i > 0) {
while (i--) {
c = fgetc(f);
// are we reading and skipping a control sequence?
if (c == '\\') {
// bin it (likely a \'xx value)
getRtfCommand(f, &com);
}
}
}
break;
case RTF_PARA:
/* *** CHECKME *** if (para_mode > 0) {*/
end_paragraph(&bufptr);
/*}*/
para_mode=group_count;
break;
case RTF_PICT:
case RTF_FONTTBL:
loadFontTable(f);
break;
case RTF_F:
{
RTFFontTableEntry *entry = lookupFontTableEntry(com.numarg);
if (entry) {
if (!entry->codepage)
entry->codepage = charsetCodepage(entry->charset);
if (entry->codepage != groups[group_count].codepage) {
groups[group_count].codepage = entry->codepage;
rtfSetCharset(&groups[group_count]);
}
}
}
break;
case RTF_INFO:
case RTF_COLORTBL:
case RTF_STYLESHEET:
case RTF_LISTTABLE:
case RTF_LISTOVERRIDETABLE:
case RTF_RSIDTBL:
case RTF_GENERATOR:
case RTF_DATAFIELD:
if (data_skip_mode == 0){
data_skip_mode=group_count;
}
break;
case RTF_LANG:
/* fprintf(stderr, "Selected lang = %d\n",com.numarg); */
groups[group_count].codepage = lcidCodepage(com.numarg);
rtfSetCharset(&groups[group_count]);
break;
case RTF_DEFLANG:
case RTF_DEFLANGFE:
groups[group_count].codepage = lcidCodepage(com.numarg);
rtfSetCharset(&groups[group_count]);
break;
case RTF_FONT_CHARSET:
groups[group_count].codepage = charsetCodepage(com.numarg);
rtfSetCharset(&groups[group_count]);
break;
case RTF_CODEPAGE:
groups[group_count].codepage = com.numarg;
rtfSetCharset(&groups[group_count]);
break;
case RTF_PLAIN:
groups[group_count].mbcs = 0;
groups[group_count].codepage = groups[0].codepage;
rtfSetCharset(&groups[group_count]);
break;
case RTF_LOCH:
groups[group_count].mbcs = 1;
break;
case RTF_HICH:
groups[group_count].mbcs = 1;
break;
case RTF_DBCH:
groups[group_count].mbcs = 1;
break;
case RTF_INDEX:
{
int current_group = group_count;
/* skip all of current group */
do {
c = fgetc(f);
if (c == '{')
group_count++;
else if (c == '}')
group_count--;
} while (group_count >= current_group);
ungetc('}',f);
}
break;
default:
/* fprintf(stderr, "Unknown command with name %s and arg=%d\n", */
/* com.name, com.numarg); */
;
}
break;
}
case '{':
group_count++;
if (group_count >= group_store ) {
group_store+=10;
if((groups=(RTFGroupData*)realloc(groups,
group_store*sizeof(RTFGroupData)))
== NULL ) {
perror("Can\'t allocate memory: ");
return 1;
}
}
// this looks wrong - removed pending review FIXME
// if (para_mode)
// add_to_buffer(&bufptr,0x20);
groups[group_count]=groups[group_count-1];
break;
case '}':
group_count--;
if(group_count < 0)
group_count=0;
if(para_mode > 0 && para_mode > group_count) {
/*add_to_buffer(&bufptr,0);
output_paragraph(buffer);
fprintf(stderr,"\nGROUP_END para_mode=%d group_count=%d bufptr=%d\n", para_mode,group_count,bufptr);
bufptr=-1;*/
para_mode=0;
}
if(data_skip_mode > group_count) {
data_skip_mode=0;
}
break;
default:
if (data_skip_mode == 0)
if (c != '\n' && c != '\r')
add_to_buffer(&bufptr,rtf_to_unicode(c, groups[group_count].charset));
}
}
if (bufptr>=0) {
add_to_buffer(&bufptr,'\n');
add_to_buffer(&bufptr,0);
output_paragraph(buffer);
}
free(groups);
return 0;
}
void process_item (int rectype, int reclen, unsigned char *rec) {
if (rectype != CONTINUE && prev_rectype == SST) {
/* we have accumulated unparsed SST, and now encountered
* another record, which indicates that SST is ended */
/* fprintf(stderr,"parse sst!\n");*/
parse_sst(sstBuffer,sstBytes);
}
switch (rectype) {
case FILEPASS: {
fprintf(stderr,"File is encrypted\n");
exit(69);
break;
}
case WRITEPROT:
/* File is write protected, but we only read it */
break;
case 0x42: {
if (source_charset) break;
codepage=getshort(rec,0);
/*fprintf(stderr,"CODEPAGE %d\n",codepage); */
if (codepage!=1200) {
const char *cp = charset_from_codepage(codepage);
source_charset=read_charset(cp);
}
break;
}
case FORMAT: {
int format_code;
format_code=getshort(rec,0);
SetFormatIdxUsed(format_code);
/* this debug code prints format string */
/*
int i;
char *ptr;
fprintf(stderr,"Format %x \"",format_code);
if (rec[2] == reclen - 3 && rec[3] != 0) {
for (i=0,ptr=rec+3;i<rec[2];i++,ptr++) {
fputc(*ptr,stderr);
}
} else {
for (i=0,ptr=rec+5;i<rec[2];i++,ptr+=2) {
fputc(*ptr,stderr);
}
}
fprintf (stderr,"\"\n");
*/
break;
}
case SST: {
/* Just copy SST into buffer, and wait until we get
* all CONTINUE records
*/
/* fprintf(stderr,"SST\n"); */
/* If exists first SST entry, then just drop it and start new*/
if (sstBuffer != NULL)
free(sstBuffer);
if (sst != NULL)
free(sst);
sstBuffer=(unsigned char*)malloc(reclen);
sstBytes = reclen;
if (sstBuffer == NULL ) {
perror("SSTptr alloc error! ");
exit(1);
}
memcpy(sstBuffer,rec,reclen);
break;
}
case CONTINUE: {
if (prev_rectype != SST) {
return; /* to avoid changing of prev_rectype;*/
}
sstBuffer=realloc(sstBuffer,sstBytes+reclen);
if (sstBuffer == NULL ) {
perror("SSTptr realloc error! ");
exit(1);
}
memcpy(sstBuffer+sstBytes,rec,reclen);
sstBytes+=reclen;
return;
}
case LABEL: {
int row,col;
unsigned char **pcell;
unsigned char *src=(unsigned char *)rec+6;
saved_reference=NULL;
row = getshort(rec,0);
col = getshort(rec,2);
/* fprintf(stderr,"LABEL!\n"); */
pcell=allocate(row,col);
*pcell=copy_unicode_string(&src);
break;
}
case BLANK: { int row,col;unsigned char **pcell;
row = getshort(rec,0);
col = getshort(rec,2);
pcell=allocate(row,col);
*pcell=NULL;
break;
}
case MULBLANK: {
int row, startcol,endcol;
unsigned char **pcell;
row = getshort(rec,0);
startcol = getshort(rec,2);
endcol=getshort(rec,reclen-2);
pcell=allocate(row,endcol);
*pcell=NULL;
(void)startcol;
break;
}
case CONSTANT_STRING: {
int row = getshort(rec,0);
int col = getshort(rec,2);
unsigned char **pcell;
int string_no=getshort(rec,6);
if (!sst) {
fprintf(stderr,"CONSTANT_STRING before SST parsed\n");
exit(1);
}
/* fprintf(stderr,"col=%d row=%d no=%d\n",col,row,string_no); */
saved_reference=NULL;
pcell=allocate(row,col);
if (string_no>=sstsize|| string_no < 0 ) {
fprintf(stderr,"string index out of boundary\n");
exit(1);
} else if (sst[string_no] !=NULL) {
int len;
unsigned char *outptr;
len=strlen((char *)sst[string_no]);
outptr=*pcell=malloc(len+1);
strcpy((char *)outptr,(char *)sst[string_no]);
} else {
*pcell=malloc(1);
**pcell = 0;
}
break;
}
case 0x03:
case 0x103:
case 0x303:
case NUMBER: {
int row,col;
unsigned char **pcell;
saved_reference=NULL;
row = getshort(rec,0)-startrow;
col = getshort(rec,2);
pcell=allocate(row,col);
*pcell=(unsigned char *)strdup(format_double(rec,6,getshort(rec,4)));
break;
}
case INTEGER_CELL: {
int row,col;
unsigned char **pcell;
row = getshort(rec,0)-startrow;
col = getshort(rec,2);
pcell=allocate(row,col);
*pcell=(unsigned char *)strdup(format_int(getshort(rec,7),getshort(rec,4)));
break;
}
case RK: {
int row,col,format_code;
unsigned char **pcell;
saved_reference=NULL;
row = getshort(rec,0)-startrow;
col = getshort(rec,2);
pcell=allocate(row,col);
format_code = getshort(rec,4);
*pcell=(unsigned char *)strdup(format_rk(rec+6,format_code));
break;
}
case MULRK: {
int row,col,startcol,endcol,offset,format_code;
unsigned char **pcell;
row = getshort(rec,0)-startrow;
startcol = getshort(rec,2);
endcol = getshort(rec,reclen-2);
saved_reference=NULL;
for (offset=4,col=startcol;col<=endcol;offset+=6,col++) {
pcell=allocate(row,col);
format_code=getshort(rec,offset);
*pcell=(unsigned char *)strdup(format_rk(rec+offset+2,format_code));
}
break;
}
case FORMULA: {
int row,col;
unsigned char **pcell;
saved_reference=NULL;
row = getshort(rec,0)-startrow;
col = getshort(rec,2);
pcell=allocate(row,col);
if (((unsigned char)rec[12]==0xFF)&&(unsigned char)rec[13]==0xFF) {
/* not a floating point value */
if (rec[6]==1) {
/*boolean*/
char buf[2]="0";
buf[0]+=rec[9];
*pcell=(unsigned char *)strdup(buf);
} else if (rec[6]==2) {
/*error*/
char buf[6]="ERROR";
*pcell=(unsigned char *)strdup(buf);
} else if (rec[6]==0) {
saved_reference=pcell;
}
} else {
int format_code=getshort(rec,4);
*pcell=(unsigned char *)strdup(format_double(rec,6,format_code));
}
break;
}
case STRING: {
unsigned char *src=(unsigned char *)rec;
if (!saved_reference) {
fprintf(stderr,"String record without preceeding string formula\n");
break;
}
*saved_reference=copy_unicode_string(&src);
break;
}
case BOF: {
if (rowptr) {
fprintf(stderr,"BOF when current sheet is not flushed\n");
free_sheet();
}
break;
}
case XF:
case 0x43: /*from perl module Spreadsheet::ParseExecel */
{
short int formatIndex = getshort(rec,2);
/* we are interested only in format index here */
if (formatTableIndex >= formatTableSize) {
formatTable=realloc(formatTable,
(formatTableSize+=16)*sizeof(short int));
if (!formatTable) {
fprintf(stderr,"Out of memory for format table");
exit (1);
}
}
formatTable[formatTableIndex++] = formatIndex;
break;
}
case MS1904: /* Macintosh 1904 date system */
date_shift=24107.0;
break;
case MSEOF: {
if (!rowptr) break;
print_sheet();
free_sheet();
break;
}
case ROW: {
/* fprintf(stderr,"Row! %d %d %d\n",getshort(rec,0), getshort(rec+2,0),getshort(rec+4,0)); */
break;
}
case INDEX: {
/* fprintf(stderr,"INDEX! %d %d\n", getlong(rec+4,0), getlong(rec+8,0)); */
break;
}
default: {
#if 0
fprintf(stderr,"Unknown record 0x%x\n length %d\n",rectype,reclen);
#endif
}
}
prev_rectype=rectype;
}
/*
* Extracts string from sst and returns mallocked copy of it
*/
unsigned char *copy_unicode_string (unsigned char **src) {
int count=0;
int flags = 0;
int start_offset=0;
int to_skip=0; /* Used to counmt data after end of string */
int offset = 1; /* Variable length of the first field */
int charsize;
/* char *realstart=*src; */
unsigned char *dest;/* where to copy string */
unsigned char *s,*d,*c;
int i,u,l,len;
/* for(i=0;i<20;i++) */
/* fprintf(stderr,"%02x ",(*src)[i]); */
/* fprintf(stderr,"\n"); */
flags = *(*src+1+offset);
if (! ( flags == 0 || flags == 1 || flags == 8 || flags == 9 ||
flags == 4 || flags == 5 || flags == 0x0c || flags == 0x0d ) ) {
count=**src;
flags = *(*src+offset);
offset --;
if (! ( flags == 0 || flags == 1 || flags == 8 || flags == 9 ||
flags == 4 || flags == 5 || flags == 0x0c || flags == 0x0d ) ) {
/* fprintf(stderr,"Strange flags = %d, returning NULL\n", flags); */
return NULL;
}
}
else {
count=getshort(*src,0);
}
charsize=(flags &0x01) ? 2 : 1;
switch (flags & 12 ) {
case 0x0c: /* Far East with RichText formating */
to_skip=4*getshort(*src,2+offset)+getlong(*src, 4+offset);
start_offset=2+offset+2+4;
/* fprintf(stderr,"Far East with RichText formating\n"); */
break;
case 0x08: /* With RichText formating */
to_skip=4*getshort(*src,2+offset);
start_offset=2+offset+2;
/* fprintf(stderr,"With RichText formating %d\n",getshort(*src,2+offset)); */
break;
case 0x04: /* Far East */
to_skip=getlong(*src, 2+offset);
start_offset=2+offset+4;
/* fprintf(stderr,"Far East\n"); */
break;
default:
to_skip=0;
start_offset=2+offset;
/* fprintf(stderr,"Default string\n"); */
}
/* fprintf(stderr,"count=%d skip=%d start_offset=%d\n", */
/* count, to_skip, start_offset); */
/* а здесь мы копируем строку */
if ( (dest=malloc(count+1)) == NULL ) {
perror("Dest string alloc error");
*src+=(to_skip+start_offset+(count*charsize));
exit(0);
}
*src+=start_offset;
len = count;
*dest=0;l=0;
for (s=*src,d=dest,i=0;i<count;i++,s+=charsize) {
/* fprintf(stderr,"l=%d len=%d count=%d charsize=%d\n",l,len,count,charsize); */
if ( (charsize == 1 && (*s == 1 || *s == 0)) ||
(charsize == 2 && (*s == 1 || *s == 0) && *(s+1) != 4)) {
/* fprintf(stderr,"extchar (unicode)=%02x %02x\n",*s, *(s+1)); */
charsize=(*s &0x01) ? 2 : 1;
if (charsize == 2)
s-=1;
count++;
continue;
}
if ( charsize == 2 ){
u=(unsigned short)getshort(s,0);
c=(unsigned char *)convert_char(u);
/* fprintf(stderr,"char=%02x %02x\n", *s, *(s+1)); */
} else {
if (!source_charset) {
check_charset(&source_csname,source_csname);
/* fprintf(stderr,"charset=%s\n",source_csname);*/
source_charset=read_charset(source_csname);
}
u=(unsigned short)to_unicode(source_charset,(unsigned char)*s);
c=(unsigned char *)convert_char(u);
}
if (c != NULL) {
int dl = strlen((char *)c);
while (l+dl>=len) {
len+=16;
dest=realloc(dest,len+1);
}
d=dest+l;
strcpy((char *)d,(char *)c);
l+=dl;
}
}
*src=s+to_skip;
return dest;
}
/**
*
*
* @param argc
* @param argv
*
* @return
*/
int main(int argc, char *argv[]) {
FILE *input;
FILE *new_file, *ole_file;
char *filename =NULL;
short int *tmp_charset;
int c;
int i;
char *tempname;
read_config_file(SYSTEMRC);
#ifdef USERRC
tempname=find_file(strdup(USERRC),getenv("HOME"));
if (tempname) {
read_config_file(tempname);
free(tempname);
}
#endif
#ifdef HAVE_LANGINFO
get_locale_charset();
#endif
check_charset(&dest_csname,dest_csname);
while ((c=getopt(argc,argv,"Vls:d:p:"))!=-1) {
switch(c) {
case 'l':
list_charsets(); exit(0);
case 's':
check_charset(&source_csname,optarg);
source_charset=read_charset(source_csname);
break;
case 'd':
check_charset(&dest_csname,optarg);
break;
case 'V': printf("Catdoc Version %s\n",CATDOC_VERSION);
exit(0);
default:
help();
exit(1);
}
}
/* If we are using system strftime, we need to set LC_TIME locale
* category unless choosen charset is not same as system locale
*/
#if defined(HAVE_LANGINFO) && defined(HAVE_STRFTIME) && !defined(__TURB0C__)
set_time_locale();
#endif
/* charset conversion init*/
input_buffer=malloc(FILE_BUFFER);
if (strcmp(dest_csname,"utf-8")) {
tmp_charset=read_charset(dest_csname);
if (!tmp_charset) {
fprintf(stderr,"Cannot load target charset %s\n",dest_csname);
exit(1);
}
target_charset=make_reverse_map(tmp_charset);
free(tmp_charset);
} else {
target_charset=NULL;
}
spec_chars=read_substmap(stradd("ascii",SPEC_EXT));
if (!spec_chars) {
fprintf(stderr,"Cannod read substitution map ascii%s\n",
SPEC_EXT);
exit(1);
}
replacements=read_substmap(stradd("ascii",REPL_EXT));
if (!replacements) {
fprintf(stderr,"Cannod read substitution map ascii%s\n",
REPL_EXT);
exit(1);
}
if (optind>=argc) {
if (isatty(fileno(stdin))) {
help();
exit(0);
}
do_ppt(stdin,"STDIN");
exit (0);
}
for (i=optind;i<argc;i++) {
filename = argv[i];
input=fopen(filename,"rb");
if (!input) {
perror(filename);
exit(1);
}
if ((new_file=ole_init(input, NULL, 0)) != NULL) {
set_ole_func();
while((ole_file=ole_readdir(new_file)) != NULL) {
int res=ole_open(ole_file);
/* fprintf(stderr, "name = %s\n", ((oleEntry*)ole_file)->name); */
if (res >= 0) {
if (strcasecmp(((oleEntry*)ole_file)->name , "PowerPoint Document") == 0) {
do_ppt(ole_file,filename);
}
}
ole_close(ole_file);
}
set_std_func();
ole_finish();
fclose(new_file);
} else {
fprintf(stderr, "%s is not OLE file or Error\n", filename);
}
}
return 0;
}