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add more strict checking of data when parsing molecule files to detect format errors

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This commit is contained in:
Axel Kohlmeyer
2017-08-10 14:49:51 -04:00
parent f68c6254d4
commit 2a7d2dee36
1 changed files with 213 additions and 220 deletions
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203
src/molecule.cpp
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@ -427,47 +427,61 @@ void Molecule::read(int flag)
// search line for header keywords and set corresponding variable
if (strstr(line,"atoms")) sscanf(line,"%d",&natoms);
else if (strstr(line,"bonds")) sscanf(line,"%d",&nbonds);
else if (strstr(line,"angles")) sscanf(line,"%d",&nangles);
else if (strstr(line,"dihedrals")) sscanf(line,"%d",&ndihedrals);
else if (strstr(line,"impropers")) sscanf(line,"%d",&nimpropers);
else if (strstr(line,"mass")) {
int nmatch = 0;
int nwant = 0;
if (strstr(line,"atoms")) {
nmatch = sscanf(line,"%d",&natoms);
nwant = 1;
} else if (strstr(line,"bonds")) {
nmatch = sscanf(line,"%d",&nbonds);
nwant = 1;
} else if (strstr(line,"angles")) {
nmatch = sscanf(line,"%d",&nangles);
nwant = 1;
} else if (strstr(line,"dihedrals")) {
nmatch = sscanf(line,"%d",&ndihedrals);
nwant = 1;
} else if (strstr(line,"impropers")) {
nmatch = sscanf(line,"%d",&nimpropers);
nwant = 1;
} else if (strstr(line,"mass")) {
massflag = 1;
sscanf(line,"%lg",&masstotal);
nmatch = sscanf(line,"%lg",&masstotal);
nwant = 1;
masstotal *= sizescale*sizescale*sizescale;
}
else if (strstr(line,"com")) {
} else if (strstr(line,"com")) {
comflag = 1;
sscanf(line,"%lg %lg %lg",&com[0],&com[1],&com[2]);
nmatch = sscanf(line,"%lg %lg %lg",&com[0],&com[1],&com[2]);
nwant = 3;
com[0] *= sizescale;
com[1] *= sizescale;
com[2] *= sizescale;
if (domain->dimension == 2 && com[2] != 0.0)
error->all(FLERR,"Molecule file z center-of-mass must be 0.0 for 2d");
}
else if (strstr(line,"inertia")) {
} else if (strstr(line,"inertia")) {
inertiaflag = 1;
sscanf(line,"%lg %lg %lg %lg %lg %lg",
nmatch = sscanf(line,"%lg %lg %lg %lg %lg %lg",
&itensor[0],&itensor[1],&itensor[2],
&itensor[3],&itensor[4],&itensor[5]);
itensor[0] *= sizescale*sizescale*sizescale*sizescale*sizescale;
itensor[1] *= sizescale*sizescale*sizescale*sizescale*sizescale;
itensor[2] *= sizescale*sizescale*sizescale*sizescale*sizescale;
itensor[3] *= sizescale*sizescale*sizescale*sizescale*sizescale;
itensor[4] *= sizescale*sizescale*sizescale*sizescale*sizescale;
itensor[5] *= sizescale*sizescale*sizescale*sizescale*sizescale;
}
else if (strstr(line,"body")) {
nwant = 6;
const double scale5 = sizescale*sizescale*sizescale*sizescale*sizescale;
itensor[0] *= scale5;
itensor[1] *= scale5;
itensor[2] *= scale5;
itensor[3] *= scale5;
itensor[4] *= scale5;
itensor[5] *= scale5;
} else if (strstr(line,"body")) {
bodyflag = 1;
avec_body = (AtomVecBody *) atom->style_match("body");
if (!avec_body)
error->all(FLERR,"Molecule file requires atom style body");
sscanf(line,"%d %d",&nibody,&ndbody);
}
nmatch = sscanf(line,"%d %d",&nibody,&ndbody);
nwant = 2;
} else break;
else break;
if (nmatch != nwant)
error->all(FLERR,"Invalid header in molecule file");
}
// error checks
@ -493,7 +507,7 @@ void Molecule::read(int flag)
// loop over sections of molecule file
while (strlen(keyword)) {
while (strlen(keyword) > 0) {
if (strcmp(keyword,"Coords") == 0) {
xflag = 1;
if (flag) coords(line);
@ -641,12 +655,9 @@ void Molecule::coords(char *line)
int tmp;
for (int i = 0; i < natoms; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 4)
if (4 != sscanf(line,"%d %lg %lg %lg",&tmp,&x[i][0],&x[i][1],&x[i][2]))
error->all(FLERR,"Invalid Coords section in molecule file");
}
sscanf(line,"%d %lg %lg %lg",&tmp,&x[i][0],&x[i][1],&x[i][2]);
x[i][0] *= sizescale;
x[i][1] *= sizescale;
x[i][2] *= sizescale;
@ -669,12 +680,8 @@ void Molecule::types(char *line)
int tmp;
for (int i = 0; i < natoms; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 2)
if (2 != sscanf(line,"%d %d",&tmp,&type[i]))
error->all(FLERR,"Invalid Types section in molecule file");
}
sscanf(line,"%d %d",&tmp,&type[i]);
type[i] += toffset;
}
@ -695,13 +702,9 @@ void Molecule::charges(char *line)
int tmp;
for (int i = 0; i < natoms; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 2)
if (2 != sscanf(line,"%d %lg",&tmp,&q[i]))
error->all(FLERR,"Invalid Charges section in molecule file");
}
sscanf(line,"%d %lg",&tmp,&q[i]);
}
}
/* ----------------------------------------------------------------------
@ -714,12 +717,8 @@ void Molecule::diameters(char *line)
maxradius = 0.0;
for (int i = 0; i < natoms; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 2)
if (2 != sscanf(line,"%d %lg",&tmp,&radius[i]))
error->all(FLERR,"Invalid Diameters section in molecule file");
}
sscanf(line,"%d %lg",&tmp,&radius[i]);
radius[i] *= sizescale;
radius[i] *= 0.5;
maxradius = MAX(maxradius,radius[i]);
@ -739,12 +738,8 @@ void Molecule::masses(char *line)
int tmp;
for (int i = 0; i < natoms; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 2)
if (2 != sscanf(line,"%d %lg",&tmp,&rmass[i]))
error->all(FLERR,"Invalid Masses section in molecule file");
}
sscanf(line,"%d %lg",&tmp,&rmass[i]);
rmass[i] *= sizescale*sizescale*sizescale;
}
@ -773,13 +768,9 @@ void Molecule::bonds(int flag, char *line)
for (int i = 0; i < nbonds; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 4)
if (4 != sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&itype,&atom1,&atom2))
error->all(FLERR,"Invalid Bonds section in molecule file");
}
sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&itype,&atom1,&atom2);
itype += boffset;
if (atom1 <= 0 || atom1 > natoms ||
@ -835,13 +826,9 @@ void Molecule::angles(int flag, char *line)
for (int i = 0; i < nangles; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 5)
if (5 != sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&itype,&atom1,&atom2,&atom3))
error->all(FLERR,"Invalid Angles section in molecule file");
}
sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&itype,&atom1,&atom2,&atom3);
itype += aoffset;
if (atom1 <= 0 || atom1 > natoms ||
@ -911,14 +898,10 @@ void Molecule::dihedrals(int flag, char *line)
for (int i = 0; i < ndihedrals; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 6)
error->all(FLERR,"Invalid Dihedrals section in molecule file");
}
sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT " "
if (6 != sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT " "
TAGINT_FORMAT " " TAGINT_FORMAT " ",
&tmp,&itype,&atom1,&atom2,&atom3,&atom4);
&tmp,&itype,&atom1,&atom2,&atom3,&atom4))
error->all(FLERR,"Invalid Dihedrals section in molecule file");
itype += doffset;
if (atom1 <= 0 || atom1 > natoms ||
@ -1002,14 +985,10 @@ void Molecule::impropers(int flag, char *line)
for (int i = 0; i < nimpropers; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 6)
error->all(FLERR,"Invalid Impropers section in molecule file");
}
sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT " "
if (6 != sscanf(line,"%d %d " TAGINT_FORMAT " " TAGINT_FORMAT " "
TAGINT_FORMAT " " TAGINT_FORMAT " ",
&tmp,&itype,&atom1,&atom2,&atom3,&atom4);
&tmp,&itype,&atom1,&atom2,&atom3,&atom4))
error->all(FLERR,"Invalid Impropers section in molecule file");
itype += ioffset;
if (atom1 <= 0 || atom1 > natoms ||
@ -1087,13 +1066,9 @@ void Molecule::nspecial_read(int flag, char *line)
for (int i = 0; i < natoms; i++) {
readline(line);
if (i == 0) {
int nwords = atom->count_words(line);
if (nwords != 4)
if (4 != sscanf(line,"%d %d %d %d",&tmp,&c1,&c2,&c3))
error->all(FLERR,"Invalid Special Bond Counts section in "
"molecule file");
}
sscanf(line,"%d %d %d %d",&tmp,&c1,&c2,&c3);
if (flag) {
nspecial[i][0] = c1;
@ -1229,7 +1204,8 @@ void Molecule::shakeflag_read(char *line)
int tmp;
for (int i = 0; i < natoms; i++) {
readline(line);
sscanf(line,"%d %d",&tmp,&shake_flag[i]);
if (2 != sscanf(line,"%d %d",&tmp,&shake_flag[i]))
error->all(FLERR,"Invalid Shake Flags section in molecule file");
}
for (int i = 0; i < natoms; i++)
@ -1243,23 +1219,32 @@ void Molecule::shakeflag_read(char *line)
void Molecule::shakeatom_read(char *line)
{
int tmp;
int tmp, nmatch, nwant;
for (int i = 0; i < natoms; i++) {
readline(line);
if (shake_flag[i] == 1)
sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&shake_atom[i][0],&shake_atom[i][1],&shake_atom[i][2]);
else if (shake_flag[i] == 2)
sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT,
if (shake_flag[i] == 1) {
nmatch = sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT
" " TAGINT_FORMAT,&tmp,&shake_atom[i][0],
&shake_atom[i][1],&shake_atom[i][2]);
nwant = 4;
} else if (shake_flag[i] == 2) {
nmatch = sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&shake_atom[i][0],&shake_atom[i][1]);
else if (shake_flag[i] == 3)
sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&shake_atom[i][0],&shake_atom[i][1],&shake_atom[i][2]);
else if (shake_flag[i] == 4)
sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT " "
nwant = 3;
} else if (shake_flag[i] == 3) {
nmatch = sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT
" " TAGINT_FORMAT,&tmp,&shake_atom[i][0],
&shake_atom[i][1],&shake_atom[i][2]);
nwant = 4;
} else if (shake_flag[i] == 4) {
nmatch = sscanf(line,"%d " TAGINT_FORMAT " " TAGINT_FORMAT " "
TAGINT_FORMAT " " TAGINT_FORMAT,
&tmp,&shake_atom[i][0],&shake_atom[i][1],
&shake_atom[i][2],&shake_atom[i][3]);
nwant = 5;
}
if (nmatch != nwant)
error->all(FLERR,"Invalid shake atom in molecule file");
}
for (int i = 0; i < natoms; i++) {
@ -1277,19 +1262,27 @@ void Molecule::shakeatom_read(char *line)
void Molecule::shaketype_read(char *line)
{
int tmp;
int tmp,nmatch,nwant;
for (int i = 0; i < natoms; i++) {
readline(line);
if (shake_flag[i] == 1)
sscanf(line,"%d %d %d %d",&tmp,
&shake_type[i][0],&shake_type[i][1],&shake_type[i][2]);
else if (shake_flag[i] == 2)
sscanf(line,"%d %d",&tmp,&shake_type[i][0]);
else if (shake_flag[i] == 3)
sscanf(line,"%d %d %d",&tmp,&shake_type[i][0],&shake_type[i][1]);
else if (shake_flag[i] == 4)
sscanf(line,"%d %d %d %d",&tmp,
&shake_type[i][0],&shake_type[i][1],&shake_type[i][2]);
if (shake_flag[i] == 1) {
nmatch = sscanf(line,"%d %d %d %d",&tmp,&shake_type[i][0],
&shake_type[i][1],&shake_type[i][2]);
nwant = 4;
} else if (shake_flag[i] == 2) {
nmatch = sscanf(line,"%d %d",&tmp,&shake_type[i][0]);
nwant = 2;
} else if (shake_flag[i] == 3) {
nmatch = sscanf(line,"%d %d %d",&tmp,&shake_type[i][0],
&shake_type[i][1]);
nwant = 3;
} else if (shake_flag[i] == 4) {
nmatch = sscanf(line,"%d %d %d %d",&tmp,&shake_type[i][0],
&shake_type[i][1],&shake_type[i][2]);
nwant = 4;
}
if (nmatch != nwant)
error->all(FLERR,"Invalid shake type data in molecule file");
}
for (int i = 0; i < natoms; i++) {