//-----------------------------------------------------------------------------
void ReadShapeFile (
vec_Mat &Mats, // out
vec_string &Tags, // out: strings preceding each mat i.e. tags
char sImageDirs[], // out: string following "Directories" in shape file
// can be NULL
const char sTagRegex[], // in: only read matrices whose tag
// matches this regular expression
unsigned Mask0, // in:
unsigned Mask1, // in: only read matrices where
// (Attr & Mask0) == Mask1
// (Attr is hex part of tag string)
const char sShapeFile[]) // in:
{
clock_t StartTime = clock();
PrintMatchParams(sTagRegex, Mask0, Mask1); // print informational msg
if (VERBOSE_ASM_SEARCH)
lprintf("Reading %s ", sShapeFile);
FILE *pShapeFile = Fopen(sShapeFile, "r"); // will issue Err if can't open
CheckShapeFileMagicNumber(pShapeFile, sShapeFile);
char sImageDirsDummy[SLEN];
if (!sImageDirs)
sImageDirs = sImageDirsDummy;
GetImageDirsFromShapeFile(sImageDirs, sShapeFile, pShapeFile);
ReadMatVec(Mats, &Tags, sShapeFile, pShapeFile, sTagRegex, Mask0, Mask1);
fclose(pShapeFile);
lprintf("%d mat%s [%.1f secs]\n",
Mats.size(), (Mats.size()==1? "": "s"), double(clock() - StartTime) / CLOCKS_PER_SEC);
}
StasmMat FindMatInFile (const char sFile[], // in
char *psImageDirs[], // out: directories in shape file if any, optional
const char sRegex[], // in: can be null
unsigned Mask0, // in
unsigned Mask1) // in
{
static char sFile1[SLEN]; // the mat file name
static char sImageDirs[SLEN];
static vec_Mat MatV; // the matrices read in from the file
static vec_string Tags; // the tags (i.e. string before each mat in the file)
static vec_int TagInts; // hex number at start of each of above tags
// iMat is static so we start where we finished last time, which means that
// searches are fast if this function is invoked for matrices in order
// It also means with multiple matches to sRegex, succesive matching shapes
// are returned each time this function is called.
static unsigned iMat;
if (strcmp(sFile, sFile1)) // first time (for this file)?
{
// initialize the static variables
strcpy(sFile1, sFile);
iMat = 0;
// read all shapes, we will filter the one we want later
ReadShapeFile(MatV, Tags, sImageDirs, NULL, 0, 0, sFile);
TagInts.resize(MatV.size());
for (size_t i = 0; i < MatV.size(); i++)
{
char const *s = Tags[i].c_str();
unsigned n;
if (1 != sscanf(s, "%x", &n))
Err("can't convert tag %s in %s to a hex number", s, sFile);
TagInts[i] = n;
}
}
// regcomp flags: egrep style expression (supports |),
// ignore case, use simple failure reporting in regexec
// regex_t CompiledRegex;
// if (0 != regcomp(&CompiledRegex, sRegex, REG_EXTENDED|REG_ICASE|REG_NOSUB))
// Err("invalid regular expression %s", sRegex);
size_t i;
for (i = 0; i < MatV.size(); i++)
{
if (fMatchAttr(TagInts[iMat], Mask0, Mask1))
// && // filter first on attributes
// fRegexMatch(CompiledRegex, sGetBasenameFromTag(Tags[iMat])))
{
break; // found
}
iMat++;
if (iMat >= MatV.size())
iMat = 0; // wrap
}
// regfree(&CompiledRegex);
if (psImageDirs)
*psImageDirs = sImageDirs;
StasmMat m; // returned matrix
if (i < MatV.size()) // found?
m = MatV[iMat];
return m;
}