int32_t ejson::internal::Value::countWhiteChar(const std::string& _data, size_t _pos, ejson::FilePos& _filePos) const {
_filePos.clear();
size_t white=0;
for (size_t iii=_pos; iii<_data.size(); iii++) {
_filePos.check(_data[iii]);
if(true == isWhiteChar(_data[iii])) {
white++;
} else {
break;
}
}
--_filePos;
return white;
}
// returns false if there are no more characters to read, true otherwise
void ConfFile::skipWhiteCharactersExpectNoEolNoEof(byte& statusRes) {// skip all white characters (except EOL), positions on the first non-white character. Expect no EOL or EOF!
initStatus();
int skippedChars = 0;
while (_confFile.available()) {
char c = _confFile.peek();
if (c == 0x0A || c == 0x0D) {
logDebug("unexpected EOL");
returnStatus(ERR(0x22)); // unexpected EOL
} else {
if (!isWhiteChar(c)) {
return;
}
}
_confFile.read(); skippedChars++;
}
logDebug("unexpected EOF");
returnStatus(ERR(0x22));//unexpected EOF
}
// returns false if there are no more characters to read, true otherwise
boolean ConfFile::skipWhiteCharacters(byte& statusRes) {// skip all white characters (including EOL), positions on the first non-white character
initStatus();
int skippedChars = 0;
while (_confFile.available()) {
char c = _confFile.peek();
if (c == 0x0A) {
// Linux EOL, also a white char, so skip it
} else if (c == 0x0D) {
// Windows EOL, two chars
_confFile.read(); skippedChars++;
if (!_confFile.available() || _confFile.peek() != 0x0A) {
logDebug("skipWhiteChars:no 0A after 0D");
returnStatusV(ERR(0x21),false);// no 0A after 0D
}
} else {
if (!isWhiteChar(c)) {
return true;
}
}
_confFile.read(); skippedChars++;
}
return false;
}
void ConfFile::readRootConfFile(const char* progId, char* mcuModel, char* filePath, byte& statusRes) {
initStatus();
mcuModel[0] = '\0';
filePath[0] = '\0';
byte pos = 0;
boolean eol;
char c;
byte progIdLength = strLength(progId);
logDebugD("l:", progIdLength);
boolean matchDetected = false;
while (!matchDetected && skipToValidData(statusRes)) { // loop for every valid line
checkStatus(); // for skipToValidData
logDebug("skipped");
// read PROG_ID and match it
pos = 0;
while(true) {
if (!_confFile.available()) {
logDebug("readRootConfFile:unexp EOF");
returnStatus(ERR(0x22)); // unexpected EOF
}
logDebug("avail");
c = readCharSafe(eol, statusRes); checkStatus();
logDebugC("readChar",c);
if (eol) {
logDebug("readRootConfFile:unexp EOF");
returnStatus(ERR(0x22)); // unexpected EOL
}
if ((pos >= progIdLength) || (progId[pos] != c) || isWhiteChar(c)) {
// if we are above expected progId length, no need to continue this line, or
// if char at pos didn't match progId[pos], or
// if white char
break;
}
pos++;
}
logDebugD("step1:",pos);
if (pos != progIdLength) {
goto _skipLine;
} else {
matchDetected = true;
}
logDebugD("step2:",pos);
// read MCU_MODEL
skipWhiteCharactersExpectNoEolNoEof(statusRes); checkStatus();
pos = 0;
while (true) {
if (pos >= UtilsAVR::MCU_MODEL_BUFFER_SIZE) {// too long MCU_MODEL in conf file!
mcuModel[UtilsAVR::MCU_MODEL_BUFFER_SIZE-1] = '\0';
returnStatus(ERR(0x23));
}
if (!_confFile.available()) {
logDebug("!EOF");
returnStatus(ERR(0x22)); // unexpected EOF
}
mcuModel[pos] = readCharSafe(eol, statusRes); checkStatus();
if (eol) {
logDebug("!EOL");
returnStatus(ERR(0x22)); // unexpected EOL
}
if (isWhiteChar(mcuModel[pos])) {
mcuModel[pos] = '\0';
break;
}
pos++;
}
logDebugD("step3:",pos);
// read FILE_PATH
skipWhiteCharactersExpectNoEolNoEof(statusRes); checkStatus();
pos = 0;
while (true) {
if (pos >= Utils::FILE_PATH_BUFFER_SIZE) {// too long FILE_PATH in conf file!
filePath[Utils::FILE_PATH_BUFFER_SIZE-1] = '\0';
returnStatus(ERR(0x24));
}
if (!_confFile.available()) {
logDebug("!EOF");
returnStatus(ERR(0x22)); // unexpected EOF
}
filePath[pos] = readCharSafe(eol, statusRes); checkStatus();
if (eol || isWhiteChar(filePath[pos])) {
filePath[pos] = '\0';
break;
}
pos++;
}
logDebugD("step4:",pos);
// Skip this line and proceed to next line
_skipLine: skipLine(statusRes); checkStatus(); // skip the line, and continue to next one
}
}
