void INIFile::readfile(SDL_RWops * file)
{
SectionRoot = new Section("",0,0);
Section* curSection = SectionRoot;
std::string completeLine;
int lineNum = 0;
bool SyntaxError = false;
INIFileLine* curLine = NULL;
INIFileLine* newINIFileLine;
Section* newSection;
Key* newKey;
bool readfinished = false;
while(!readfinished) {
lineNum++;
completeLine = "";
unsigned char tmp;
int readbytes;
while(1) {
readbytes = SDL_RWread(file,&tmp,1,1);
if(readbytes <= 0) {
readfinished = true;
break;
} else if(tmp == '\n') {
break;
} else if(tmp != '\r') {
completeLine += tmp;
}
}
const unsigned char* line = (const unsigned char*) completeLine.c_str();
SyntaxError = false;
int ret;
ret = getNextChar(line,0);
if(ret == -1) {
// empty line or comment
newINIFileLine = new INIFileLine(completeLine);
if(curLine == NULL) {
FirstLine = newINIFileLine;
curLine = newINIFileLine;
} else {
curLine->nextLine = newINIFileLine;
newINIFileLine->prevLine = curLine;
curLine = newINIFileLine;
}
} else {
if(line[ret] == '[') {
// section line
int sectionstart = ret+1;
int sectionend = skipName(line,ret+1);
if((line[sectionend] != ']') || (getNextChar(line,sectionend+1) != -1)) {
SyntaxError = true;
} else {
// valid section line
newSection = new Section(completeLine,sectionstart,sectionend-sectionstart);
if(curLine == NULL) {
FirstLine = newSection;
curLine = newSection;
} else {
curLine->nextLine = newSection;
newSection->prevLine = curLine;
curLine = newSection;
}
InsertSection(newSection);
curSection = newSection;
}
} else {
// might be key/value line
int keystart = ret;
int keyend = skipKey(line,keystart);
if(keystart == keyend) {
SyntaxError = true;
} else {
ret = getNextChar(line,keyend);
if((ret == -1) ||(line[ret] != '=')) {
SyntaxError = true;
} else {
int valuestart = getNextChar(line,ret+1);
if(valuestart == -1) {
SyntaxError = true;
} else {
if(line[valuestart] == '"') {
// now get the next '"'
int valueend = getNextQuote(line,valuestart+1);
if((valueend == -1) || (getNextChar(line,valueend+1) != -1)) {
SyntaxError = true;
} else {
// valid key/value line
newKey = new Key(completeLine,keystart,keyend-keystart,valuestart+1,valueend-valuestart-1);
if(FirstLine == NULL) {
FirstLine = newKey;
curLine = newKey;
} else {
curLine->nextLine = newKey;
newKey->prevLine = curLine;
curLine = newKey;
}
curSection->InsertKey(newKey);
}
} else {
int valueend = skipValue(line,valuestart);
if(getNextChar(line,valueend) != -1) {
SyntaxError = true;
} else {
// valid key/value line
newKey = new Key(completeLine,keystart,keyend-keystart,valuestart,valueend-valuestart);
if(FirstLine == NULL) {
FirstLine = newKey;
curLine = newKey;
} else {
curLine->nextLine = newKey;
newKey->prevLine = curLine;
curLine = newKey;
}
curSection->InsertKey(newKey);
}
}
}
}
}
}
}
if(SyntaxError == true) {
if(completeLine.size() < 100) {
// there are some buggy ini-files which have a lot of waste at the end of the file
// and it makes no sense to print all this stuff out. just skip it
std::cerr << "INIFile: Syntax-Error in line " << lineNum << ":" << completeLine << " !" << std::endl;
}
// save this line as a comment
newINIFileLine = new INIFileLine(completeLine);
if(curLine == NULL) {
FirstLine = newINIFileLine;
curLine = newINIFileLine;
} else {
curLine->nextLine = newINIFileLine;
newINIFileLine->prevLine = curLine;
curLine = newINIFileLine;
}
}
}
}
void IniFile::readFile()
{
if((SectionRoot = new SectionEntry("",0,0)) == nullptr)
throw(std::bad_alloc());
SectionEntry *curSectionEntry = SectionRoot;
std::string completeLine;
int lineNum = 0;
bool SyntaxError = false;
CommentEntry *curEntry = nullptr;
CommentEntry *newCommentEntry;
SectionEntry *newSectionEntry;
KeyEntry *newKeyEntry;
bool readfinished = false;
while(!readfinished) {
lineNum++;
completeLine = "";
uint8_t tmp;
size_t size = _stream.sizeg();
while(static_cast<uint32_t>(_stream.tellg()) < size-1) {
tmp = _stream.get();
if(static_cast<uint32_t>(_stream.tellg()) == size-1) {
readfinished = true;
break;
} else if(tmp == '\n') {
break;
} else if(tmp != '\r') {
completeLine += tmp;
}
}
const uint8_t *line = reinterpret_cast<const uint8_t*>(completeLine.c_str());
SyntaxError = false;
int ret;
ret = getNextChar(line,0);
if(ret == -1) {
// empty line or comment
if((newCommentEntry = new CommentEntry(completeLine)) == nullptr)
throw(std::bad_alloc());
if(curEntry == nullptr) {
FirstLine = newCommentEntry;
curEntry = newCommentEntry;
} else {
curEntry->nextEntry = newCommentEntry;
newCommentEntry->prevEntry = curEntry;
curEntry = newCommentEntry;
}
} else {
if(line[ret] == '[') {
// section line
int sectionstart = ret+1;
int sectionend = skipName(line,ret+1);
if((line[sectionend] != ']') || (getNextChar(line,sectionend+1) != -1)) {
SyntaxError = true;
} else {
// valid section line
if((newSectionEntry = new SectionEntry(completeLine,sectionstart,sectionend-sectionstart)) == nullptr)
throw(std::bad_alloc());
if(curEntry == nullptr) {
FirstLine = newSectionEntry;
curEntry = newSectionEntry;
} else {
curEntry->nextEntry = newSectionEntry;
newSectionEntry->prevEntry = curEntry;
curEntry = newSectionEntry;
}
InsertSection(newSectionEntry);
curSectionEntry = newSectionEntry;
}
} else {
// might be key/value line
int keystart = ret;
int keyend = skipKey(line,keystart);
if(keystart == keyend) {
SyntaxError = true;
} else {
ret = getNextChar(line,keyend);
if((ret == -1) ||(line[ret] != '=')) {
SyntaxError = true;
} else {
int valuestart = getNextChar(line,ret+1);
int valueend;
if(valuestart == -1) {
SyntaxError = true;
} else {
if(line[valuestart] == '"') {
// now get the next '"'
valueend = getNextQuote(line,valuestart+1);
if((valueend == -1) || (getNextChar(line,valueend+1) != -1)) {
SyntaxError = true;
} else {
// valid key/value line
if((newKeyEntry = new KeyEntry(completeLine,keystart,keyend-keystart,valuestart+1,valueend-valuestart-1)) == nullptr)
throw(std::bad_alloc());
if(FirstLine == nullptr) {
FirstLine = newKeyEntry;
curEntry = newKeyEntry;
} else {
curEntry->nextEntry = newKeyEntry;
newKeyEntry->prevEntry = curEntry;
curEntry = newKeyEntry;
}
InsertKey(curSectionEntry,newKeyEntry);
}
} else {
valueend = skipValue(line,valuestart);
if(getNextChar(line,valueend) != -1) {
SyntaxError = true;
} else {
// valid key/value line
if((newKeyEntry = new KeyEntry(completeLine,keystart,keyend-keystart,valuestart,valueend-valuestart)) == nullptr)
throw(std::bad_alloc());
if(FirstLine == nullptr) {
FirstLine = newKeyEntry;
curEntry = newKeyEntry;
} else {
curEntry->nextEntry = newKeyEntry;
newKeyEntry->prevEntry = curEntry;
curEntry = newKeyEntry;
}
InsertKey(curSectionEntry,newKeyEntry);
}
}
}
}
}
}
}
if(SyntaxError == true) {
if(completeLine.size() < 100) {
// there are some buggy ini-files which have a lot of waste at the end of the file
// and it makes no sense to print all this stuff out. just skip it
std::cerr << "IniFile: Syntax-Error in line " << lineNum << ":" << completeLine << " !" << std::endl;
}
// save this line as a comment
if((newCommentEntry = new CommentEntry(completeLine)) == nullptr)
throw(std::bad_alloc());
if(curEntry == nullptr) {
FirstLine = newCommentEntry;
curEntry = newCommentEntry;
} else {
curEntry->nextEntry = newCommentEntry;
newCommentEntry->prevEntry = curEntry;
curEntry = newCommentEntry;
}
}
}
}
