qboolean Stats_TrackerImageLoaded(char *in)
{
int error;
if (in)
return Font_TrackerValid(unicode_decode(&error, in, &in, true));
return false;
}
char unicode_prev(struct unicode_parser* parser) {
if (parser->current.ptr == parser->current.str)
return 0;
// Try to move to previous symbol
parser->next = parser->current;
parser->current = parser->prev;
utf8_prev(&parser->prev);
unicode_decode(parser);
return 1;
}
char unicode_next(struct unicode_parser* parser) {
if (utf8_current(&parser->current)) {
// Try to move to next symbol
parser->prev = parser->current;
parser->current = parser->next;
utf8_next(&parser->next);
unicode_decode(parser);
return 1;
}
return 0;
}
// Open physical file
OLE2* ole2_open(const BYTE *file)
{
//BYTE buf[1024];
OLE2Header* oleh;
OLE2* ole;
OLE2Stream* olest;
PSS* pss;
BYTE* name = NULL;
#ifdef OLE_DEBUG
printf("----------------------------------------------\n");
printf("ole2_open %s\n", file);
#endif
if(xls_debug) printf("ole2_open: %s\n", file);
ole=(OLE2*)calloc(1, sizeof(OLE2));
if (!(ole->file=fopen((char *)file,"rb")))
{
if(xls_debug) printf("File not found\n");
free(ole);
return(NULL);
}
// read header and check magic numbers
oleh=(OLE2Header*)malloc(512);
fread(oleh,1,512,ole->file);
xlsConvertHeader(oleh);
// make sure the file looks good. Note: this code only works on Little Endian machines
if(oleh->id[0] != 0xE011CFD0 || oleh->id[1] != 0xE11AB1A1 || oleh->byteorder != 0xFFFE) {
fclose(ole->file);
printf("Not an excel file\n");
free(ole);
return NULL;
}
//ole->lsector=(WORD)pow(2,oleh->lsector);
//ole->lssector=(WORD)pow(2,oleh->lssector);
ole->lsector=512;
ole->lssector=64;
assert(oleh->lsectorB==9); // 2**9 == 512
assert(oleh->lssectorB==6); // 2**6 == 64
ole->cfat=oleh->cfat;
ole->dirstart=oleh->dirstart;
ole->sectorcutoff=oleh->sectorcutoff;
ole->sfatstart=oleh->sfatstart;
ole->csfat=oleh->csfat;
ole->difstart=oleh->difstart;
ole->cdif=oleh->cdif;
ole->files.count=0;
#ifdef OLE_DEBUG
printf("==== OLE HEADER ====\n");
//printf ("Header Size: %i \n", sizeof(OLE2Header));
//printf ("id[0]-id[1]: %X-%X \n", oleh->id[0], oleh->id[1]);
printf ("verminor: %X \n",oleh->verminor);
printf ("verdll: %X \n",oleh->verdll);
//printf ("Byte order: %X \n",oleh->byteorder);
printf ("sect len: %X (%i)\n",ole->lsector,ole->lsector); // ole
printf ("mini len: %X (%i)\n",ole->lssector,ole->lssector); // ole
printf ("Fat sect.: %i \n",oleh->cfat);
printf ("Dir Start: %i \n",oleh->dirstart);
printf ("Mini Cutoff: %i \n",oleh->sectorcutoff);
printf ("MiniFat Start: %X \n",oleh->sfatstart);
printf ("Count MFat: %i \n",oleh->csfat);
printf ("Dif start: %X \n",oleh->difstart);
printf ("Count Dif: %i \n",oleh->cdif);
printf ("Fat Size: %u (0x%X) \n",oleh->cfat*ole->lsector,oleh->cfat*ole->lsector);
#endif
// read directory entries
read_MSAT(ole, oleh);
// reuse this buffer
pss = (PSS*)oleh;
// oleh = (void *)NULL; // Not needed as oleh not used from here on
olest=ole2_sopen(ole,ole->dirstart, -1);
do
{
ole2_read(pss,1,sizeof(PSS),olest);
xlsConvertPss(pss);
name=unicode_decode(pss->name, pss->bsize, 0, "UTF-8");
#ifdef OLE_DEBUG
printf("OLE NAME: %s count=%d\n", name, ole->files.count);
#endif
if (pss->type == PS_USER_ROOT || pss->type == PS_USER_STREAM) // (name!=NULL) //
{
#ifdef OLE_DEBUG
printf("OLE TYPE: %s file=%d \n", pss->type == PS_USER_ROOT ? "root" : "user", ole->files.count);
#endif
if (ole->files.count==0)
{
ole->files.file=malloc(sizeof(struct st_olefiles_data));
} else {
ole->files.file=realloc(ole->files.file,(ole->files.count+1)*sizeof(struct st_olefiles_data));
}
ole->files.file[ole->files.count].name=name;
ole->files.file[ole->files.count].start=pss->sstart;
ole->files.file[ole->files.count].size=pss->size;
ole->files.count++;
if(pss->sstart == ENDOFCHAIN) {
if (xls_debug) verbose("END OF CHAIN\n");
} else
if(pss->type == PS_USER_STREAM) {
#ifdef OLE_DEBUG
printf("----------------------------------------------\n");
printf("name: %s (size=%d [c=%c])\n", name, pss->bsize, name ? name[0]:' ');
printf("bsize %i\n",pss->bsize);
printf("type %i\n",pss->type);
printf("flag %i\n",pss->flag);
printf("left %X\n",pss->left);
printf("right %X\n",pss->right);
printf("child %X\n",pss->child);
printf("guid %.4X-%.4X-%.4X-%.4X %.4X-%.4X-%.4X-%.4X\n",pss->guid[0],pss->guid[1],pss->guid[2],pss->guid[3],
pss->guid[4],pss->guid[5],pss->guid[6],pss->guid[7]);
printf("user flag %.4X\n",pss->userflags);
printf("sstart %.4d\n",pss->sstart);
printf("size %.4d\n",pss->size);
#endif
} else
if(pss->type == PS_USER_ROOT) {
DWORD sector, k, blocks;
BYTE *wptr;
blocks = (pss->size + (ole->lsector - 1)) / ole->lsector; // count partial
ole->SSAT = (BYTE *)malloc(blocks*ole->lsector);
// printf("blocks %d\n", blocks);
assert(ole->SSecID);
sector = pss->sstart;
wptr=(BYTE*)ole->SSAT;
for(k=0; k<blocks; ++k) {
// printf("block %d sector %d\n", k, sector);
assert(sector != ENDOFCHAIN);
fseek(ole->file,sector*ole->lsector+512,0);
fread(wptr,1,ole->lsector,ole->file);
wptr += ole->lsector;
sector = xlsIntVal(ole->SecID[sector]);
}
}
} else {
free(name);
}
}
while (!olest->eof);
ole2_fclose(olest);
free(pss);
return ole;
}
void xls_appendSST(xlsWorkBook* pWB,XLSBYTE* buf,XLSDWORD size)
{
XLSDWORD ln; // String character count
XLSDWORD ofs; // Current offset in SST buffer
XLSDWORD rt; // Count or rich text formatting runs
XLSDWORD sz; // Size of asian phonetic settings block
XLSBYTE flag; // String flags
char* ret;
if (xls_debug) {
printf("xls_appendSST %u\n", size);
}
sz = rt = ln = 0; // kch
ofs=0;
while(ofs<size)
{
int ln_toread;
// Restore state when we're in a continue record
// or read string length
if (pWB->sst.continued)
{
ln=pWB->sst.lastln;
rt=pWB->sst.lastrt;
sz=pWB->sst.lastsz;
}
else
{
ln=*(XLSWORD*)(buf+ofs);
rt = 0;
sz = 0;
ofs+=2;
}
if (xls_debug) {
printf("ln=%u\n", ln);
}
// Read flags
if ( (!pWB->sst.continued)
||( (pWB->sst.continued)
&&(ln != 0) ) )
{
flag=*(XLSBYTE*)(buf+ofs);
ofs++;
// Count of rich text formatting runs
if (flag & 0x8)
{
rt=*(XLSWORD*)(buf+ofs);
ofs+=2;
}
// Size of asian phonetic settings block
if (flag & 0x4)
{
sz=*(XLSDWORD*)(buf+ofs);
ofs+=4;
if (xls_debug) {
printf("sz=%u\n", sz);
}
}
}
else
{
flag = 0;
}
// Read characters (compressed or not)
ln_toread = 0;
if (ln > 0)
{
if (flag & 0x1)
{
int new_len = 0;
ln_toread = min((size-ofs)/2, ln);
ret=unicode_decode(buf+ofs,ln_toread*2, &new_len,pWB->charset);
if (ret == NULL)
{
const char *str = "*failed to decode utf16*";
ret = strdup(str);
new_len = strlen(str);
}
ret = (char *)realloc(ret,new_len+1);
*(char*)(ret+new_len)=0;
ln -= ln_toread;
ofs+=ln_toread*2;
if (xls_debug) {
printf("String16: %s(%i)\n",ret,new_len);
}
}
else
{
ln_toread = min((size-ofs), ln);
ret = (char *)malloc(ln_toread + 1);
memcpy (ret, (buf+ofs),ln_toread);
*(char*)(ret+ln_toread)=0;
ln -= ln_toread;
ofs+=ln_toread;
if (xls_debug) {
printf("String8: %s(%u) \n",ret,ln);
}
}
}
else
{
ret = strdup("");
}
if ( (ln_toread > 0)
||(!pWB->sst.continued) )
{
// Concat string if it's a continue, or add string in table
if (!pWB->sst.continued)
{
pWB->sst.lastid++;
pWB->sst.string[pWB->sst.lastid-1].str=ret;
}
else
{
char *tmp;
tmp=pWB->sst.string[pWB->sst.lastid-1].str;
tmp=(char *)realloc(tmp,strlen(tmp)+strlen(ret)+1);
pWB->sst.string[pWB->sst.lastid-1].str=tmp;
memcpy(tmp+strlen(tmp),ret,strlen(ret)+1);
}
if (xls_debug) {
printf("String %u: %s<end>\n", pWB->sst.lastid-1, pWB->sst.string[pWB->sst.lastid-1].str);
}
}
// Jump list of rich text formatting runs
if ( (ofs < size)
&&(rt > 0) )
{
int rt_toread = min((size-ofs)/4, rt);
rt -= rt_toread;
ofs += rt_toread*4;
}
// Jump asian phonetic settings block
if ( (ofs < size)
&&(sz > 0) )
{
int sz_toread = min((size-ofs), sz);
sz -= sz_toread;
ofs += sz_toread;
}
pWB->sst.continued=0;
}
// Save current character count and count of rich text formatting runs and size of asian phonetic settings block
if (ln > 0 || rt > 0 || sz > 0) {
pWB->sst.continued = 1;
pWB->sst.lastln = ln;
pWB->sst.lastrt = rt;
pWB->sst.lastsz = sz;
if (xls_debug) {
printf("continued: ln=%u, rt=%u, sz=%u\n", ln, rt, sz);
}
}
}
// Read and decode string
char* get_string(XLSBYTE *s, XLSBYTE is2, XLSBYTE fmt, char *charset)
{
XLSWORD ln;
XLSDWORD ofs;
XLSDWORD sz;
XLSWORD rt;
XLSBYTE flag;
XLSBYTE* str;
char* ret;
int new_len;
new_len = 0;
flag = 0;
str=s;
ofs=0;
if (is2)
{
ln=*(XLSWORD*)str;
ofs+=2;
}
else
{
ln=*(XLSBYTE*)str;
ofs++;
}
if(fmt) {
flag=*(XLSBYTE*)(str+ofs);
ofs++;
}
if (flag&0x8)
{
rt=*(XLSWORD*)(str+ofs);
ofs+=2;
}
if (flag&0x4)
{
sz=*(XLSDWORD*)(str+ofs);
ofs+=4;
}
if (flag&0x1) {
ret=unicode_decode(str+ofs,ln*2, &new_len,charset);
ofs+=ln*2;
} else {
ret=(char *)malloc(ln+1);
memcpy (ret,(str+ofs),ln);
*(char*)(ret+ln)=0;
ofs+=ln;
}
if (flag&0x8)
ofs+=4*rt;
if (flag&0x4)
ofs+=sz;
return ret;
}
