int qspPrepareLocalVars(QSPVar **vars)
{
QSPVar *var, *savedVars;
int i, j, ind, varsCount = 0;
for (i = qspSavedVarsGroupsCount - 1; i >= 0; --i)
varsCount += qspSavedVarsGroups[i].VarsCount;
if (!varsCount)
{
*vars = 0;
return 0;
}
savedVars = (QSPVar *)malloc(varsCount * sizeof(QSPVar));
ind = 0;
for (i = qspSavedVarsGroupsCount - 1; i >= 0; --i)
{
for (j = qspSavedVarsGroups[i].VarsCount - 1; j >= 0; --j)
{
if (!(var = qspVarReference(qspSavedVarsGroups[i].Vars[j].Name, QSP_TRUE)))
{
while (--ind >= 0)
qspEmptyVar(savedVars + ind);
free(savedVars);
return 0;
}
qspMoveVar(savedVars + ind, var);
qspMoveVar(var, &qspSavedVarsGroups[i].Vars[j]);
++ind;
}
}
*vars = savedVars;
return varsCount;
}
void qspRestoreLocalVars(QSPVar *savedVars, int varsCount, QSPVarsGroup *savedGroups, int groupsCount)
{
QSPVar *var;
int i, j, ind;
if (savedVars)
{
ind = 0;
for (i = groupsCount - 1; i >= 0; --i)
{
for (j = savedGroups[i].VarsCount - 1; j >= 0; --j)
{
if (!(var = qspVarReference(savedGroups[i].Vars[j].Name, QSP_TRUE)))
{
while (ind < varsCount)
{
qspEmptyVar(savedVars + ind);
++ind;
}
free(savedVars);
return;
}
qspMoveVar(&savedGroups[i].Vars[j], var);
qspMoveVar(var, savedVars + ind);
++ind;
}
}
free(savedVars);
}
}
void qspRestoreVarsList(QSPVar *vars, int varsCount)
{
int i;
QSPVar *var;
if (vars)
{
for (i = 0; i < varsCount; ++i)
{
if (!(var = qspVarReference(vars[i].Name, QSP_TRUE)))
{
while (i < varsCount)
{
free(vars[i].Name);
qspEmptyVar(vars + i);
++i;
}
free(vars);
return;
}
free(vars[i].Name);
qspEmptyVar(var);
qspMoveVar(var, vars + i);
}
free(vars);
}
}
void qspPrepareGlobalVars() {
int i, j;
QSPVar *var;
for (i = qspSavedVarsGroupsCount - 1; i >= 0; --i) {
for (j = qspSavedVarsGroups[i].VarsCount - 1; j >= 0; --j) {
if (!(var =
qspVarReference(qspSavedVarsGroups[i].Vars[j].Name, QSP_TRUE)))
return;
qspEmptyVar(var);
qspMoveVar(var, &qspSavedVarsGroups[i].Vars[j]);
}
}
}
void qspStatementLocal(QSP_CHAR *s)
{
QSPVariant v;
QSPVar *var;
QSP_BOOL isVarFound;
QSP_CHAR *curPos, *varName, *commaPos, *eqPos;
int i, groupInd, count, bufSize, oldRefreshCount;
s = qspSkipSpaces(s);
if (!(*s))
{
qspSetError(QSP_ERR_SYNTAX);
return;
}
groupInd = qspSavedVarsGroupsCount - 1;
count = bufSize = qspSavedVarsGroups[groupInd].VarsCount;
isVarFound = QSP_FALSE;
curPos = s;
eqPos = qspStrPos(curPos, QSP_EQUAL, QSP_FALSE);
if (eqPos) *eqPos = 0;
while (1)
{
/* Skip type char */
if (*curPos == QSP_STRCHAR[0]) ++curPos;
/* Get variable's name */
commaPos = qspStrPos(curPos, QSP_COMMA, QSP_FALSE);
if (commaPos)
{
*commaPos = 0;
varName = (eqPos ? qspGetVarNameOnly(curPos) : qspDelSpc(curPos));
*commaPos = QSP_COMMA[0];
}
else
varName = (eqPos ? qspGetVarNameOnly(curPos) : qspDelSpc(curPos));
qspUpperStr(varName);
/* Check for the existence */
for (i = 0; i < count; ++i)
{
if (!qspStrsComp(varName, qspSavedVarsGroups[groupInd].Vars[i].Name))
{
isVarFound = QSP_TRUE;
break;
}
}
/* Get variable's data */
if (isVarFound)
{
/* Already exists */
isVarFound = QSP_FALSE;
free(varName);
}
else
{
/* Add variable to the local group */
if (!(var = qspVarReference(varName, QSP_FALSE)))
{
free(varName);
if (eqPos) *eqPos = QSP_EQUAL[0];
return;
}
if (count >= bufSize)
{
bufSize = count + 4;
qspSavedVarsGroups[groupInd].Vars = (QSPVar *)realloc(qspSavedVarsGroups[groupInd].Vars, bufSize * sizeof(QSPVar));
}
qspMoveVar(qspSavedVarsGroups[groupInd].Vars + count, var);
qspSavedVarsGroups[groupInd].Vars[count].Name = varName;
qspSavedVarsGroups[groupInd].VarsCount = ++count;
}
if (!commaPos) break;
curPos = qspSkipSpaces(commaPos + QSP_LEN(QSP_COMMA));
if (!(*curPos))
{
qspSetError(QSP_ERR_SYNTAX);
if (eqPos) *eqPos = QSP_EQUAL[0];
return;
}
}
if (eqPos)
{
oldRefreshCount = qspRefreshCount;
v = qspExprValue(eqPos + QSP_LEN(QSP_EQUAL));
if (qspRefreshCount != oldRefreshCount || qspErrorNum)
{
*eqPos = QSP_EQUAL[0];
return;
}
varName = qspDelSpcCanRetSelf(s);
qspSetVarValue(varName, &v, QSP_EQUAL[0]);
if (varName != s) free(varName);
if (v.IsStr) free(QSP_STR(v));
*eqPos = QSP_EQUAL[0];
}
}
