bool IniFile::getValue(const char* section, const char* key,
char* buffer, size_t len, IniFileState &state) const
{
bool done = false;
if (!_file.isOpen()) {
_error = errorFileNotOpen;
return true;
}
switch (state.getValueState) {
case IniFileState::funcUnset:
state.getValueState = (section == NULL ? IniFileState::funcFindKey
: IniFileState::funcFindSection);
state.readLinePosition = 0;
break;
case IniFileState::funcFindSection:
if (findSection(section, buffer, len, state)) {
if (_error != errorNoError)
return true;
state.getValueState = IniFileState::funcFindKey;
}
break;
case IniFileState::funcFindKey:
char *cp;
if (findKey(section, key, buffer, len, &cp, state)) {
if (_error != errorNoError)
return true;
// Found key line in correct section
cp = skipWhiteSpace(cp);
removeTrailingWhiteSpace(cp);
// Copy from cp to buffer, but the strings overlap so strcpy is out
while (*cp != '\0')
*buffer++ = *cp++;
*buffer = '\0';
return true;
}
break;
default:
// How did this happen?
_error = errorUnknownError;
done = true;
break;
}
return done;
}
int8_t IniFile::getValue(const char* section, const char* key,
char* buffer, int len, IniFileState &state) const
{
int8_t done = 0;
if (!_file)
return errorFileNotOpen;
switch (state.getValueState) {
case IniFileState::funcUnset:
state.getValueState = (section == NULL ? IniFileState::funcFindKey
: IniFileState::funcFindSection);
state.readLinePosition = 0;
break;
case IniFileState::funcFindSection:
if ((done = findSection(section, buffer, len, state)) == 1) {
done = 0;
state.getValueState = IniFileState::funcFindKey;
}
break;
case IniFileState::funcFindKey:
char *cp;
if ((done = findKey(section, key, buffer, len, &cp, state)) == 1) {
// Found key line in correct section
cp = skipWhiteSpace(cp);
removeTrailingWhiteSpace(cp);
// Copy from cp to buffer, but the strings overlap so strcpy is out
while (*cp != '\0')
*buffer++ = *cp++;
*buffer = '\0';
}
break;
default:
// How did this happen?
done = errorUnknownError;
break;
}
return done;
}
// From the current file location look for the matching key
int8_t IniFile::findKey(const char* section, const char* key,
char* buffer, int len, char** keyptr,
IniFileState &state) const
{
if (key == NULL || *key == '\0')
return errorKeyNotFound;
int8_t done = IniFile::readLine(_file, buffer, len, state.readLinePosition);
if (done < 0)
return done;
char *cp = skipWhiteSpace(buffer);
if (isCommentChar(*cp))
return (done ? errorKeyNotFound : 0);
if (section && *cp == '[')
// Stat of a new section
return errorKeyNotFound;
// Find '='
char *ep = strchr(cp, '=');
if (ep != NULL) {
*ep = '\0'; // make = be the end of string
removeTrailingWhiteSpace(cp);
if (_caseSensitive) {
if (strcmp(cp, key) == 0) {
*keyptr = ep + 1;
return 1;
}
}
else {
if (strcasecmp(cp, key) == 0) {
*keyptr = ep + 1;
return 1;
}
}
}
return (done ? errorKeyNotFound : 0);
}
int8_t IniFile::findSection(const char* section, char* buffer, int len,
IniFileState &state) const
{
if (section == NULL)
return errorSectionNotFound;
int8_t done = IniFile::readLine(_file, buffer, len, state.readLinePosition);
if (done < 0)
return done;
char *cp = skipWhiteSpace(buffer);
if (isCommentChar(*cp))
return (done ? errorSectionNotFound : 0);
if (*cp == '[') {
// Start of section
++cp;
cp = skipWhiteSpace(cp);
char *ep = strchr(cp, ']');
if (ep != NULL) {
*ep = '\0'; // make ] be end of string
removeTrailingWhiteSpace(cp);
if (_caseSensitive) {
if (strcmp(cp, section) == 0)
return 1;
}
else {
if (strcasecmp(cp, section) == 0)
return 1;
}
}
}
// Not a valid section line
return (done ? errorSectionNotFound : 0);
}
// From the current file location look for the matching key. If
// section is non-NULL don't look in the next section
bool IniFile::findKey(const char* section, const char* key,
char* buffer, size_t len, char** keyptr,
IniFileState &state) const
{
if (key == NULL || *key == '\0') {
_error = errorKeyNotFound;
return true;
}
error_t err = IniFile::readLine(_file, buffer, len, state.readLinePosition);
if (err != errorNoError && err != errorEndOfFile) {
_error = err;
return true;
}
char *cp = skipWhiteSpace(buffer);
// if (isCommentChar(*cp))
// return (done ? errorKeyNotFound : 0);
if (isCommentChar(*cp)) {
if (err == errorEndOfFile) {
_error = errorKeyNotFound;
return true;
}
else
return false; // Continue searching
}
if (section && *cp == '[') {
// Start of a new section
_error = errorKeyNotFound;
return true;
}
// Find '='
char *ep = strchr(cp, '=');
if (ep != NULL) {
*ep = '\0'; // make = be the end of string
removeTrailingWhiteSpace(cp);
if (_caseSensitive) {
if (strcmp(cp, key) == 0) {
*keyptr = ep + 1;
_error = errorNoError;
return true;
}
}
else {
if (strcasecmp(cp, key) == 0) {
*keyptr = ep + 1;
_error = errorNoError;
return true;
}
}
}
// Not the valid key line
if (err == errorEndOfFile) {
_error = errorKeyNotFound;
return true;
}
return false;
}
bool IniFile::findSection(const char* section, char* buffer, size_t len,
IniFileState &state) const
{
if (section == NULL) {
_error = errorSectionNotFound;
return true;
}
error_t err = IniFile::readLine(_file, buffer, len, state.readLinePosition);
if (err != errorNoError && err != errorEndOfFile) {
// Signal to caller to stop looking and any error value
_error = err;
return true;
}
char *cp = skipWhiteSpace(buffer);
//if (isCommentChar(*cp))
//return (done ? errorSectionNotFound : 0);
if (isCommentChar(*cp)) {
// return (err == errorEndOfFile ? errorSectionNotFound : errorNoError);
if (err == errorEndOfFile) {
_error = errorSectionNotFound;
return true;
}
else
return false; // Continue searching
}
if (*cp == '[') {
// Start of section
++cp;
cp = skipWhiteSpace(cp);
char *ep = strchr(cp, ']');
if (ep != NULL) {
*ep = '\0'; // make ] be end of string
removeTrailingWhiteSpace(cp);
if (_caseSensitive) {
if (strcmp(cp, section) == 0) {
_error = errorNoError;
return true;
}
}
else {
if (strcasecmp(cp, section) == 0) {
_error = errorNoError;
return true;
}
}
}
}
// Not a valid section line
//return (done ? errorSectionNotFound : 0);
if (err == errorEndOfFile) {
_error = errorSectionNotFound;
return true;
}
return false;
}