bool IniReader::read(istream & is) {
// The current section.
IniSection * section = NULL;
bool ok = true;
// While lines remain to be extracted
for(size_t line = 1; is.good(); line++) {
// Get a line to process
string str;
getline(is, str);
size_t start = str.find_first_not_of(WHITESPACE);
if(start == string::npos) {
// Empty line (only whitespace).
continue;
}
if(str[start] == '#' || (start + 1 < str.length() && str[start] == '/' && str[start+1] == '/')) {
// Whole line was commented, no need to do anything with it. Continue getting the next line.
continue;
}
// Section header.
if(str[start] == '[') {
size_t end = str.find(']', start + 1);
if(end == string::npos) {
LogWarning << "invalid header @ line " << line << ": " << str;
section = NULL;
ok = false;
continue;
}
string sectionName = str.substr(start + 1, end - start - 1);
transform(sectionName.begin(), sectionName.end(), sectionName.begin(), ::tolower);
LogDebug("found section: \"" << sectionName << "\"");
section = §ions[sectionName];
// Ignoring rest of the line, not verifying that it's only whitespace / comment
continue;
}
if(!section) {
LogWarning << "ignoring non-empty line " << line << " outside a section: " << str;
ok = false;
continue;
}
size_t nameEnd = str.find_first_not_of(ALPHANUM, start);
if(nameEnd == string::npos) {
ok = false;
LogWarning << "missing '=' separator @ line " << line << ": " << str;
continue;
} else if(nameEnd == start) {
ok = false;
LogWarning << "empty key name @ line " << line << ": " << str;
continue;
}
size_t separator = str.find_first_not_of(WHITESPACE, nameEnd);
if(separator == string::npos || str[separator] != '=') {
ok = false;
LogWarning << "missing '=' separator @ line " << line << ": " << str;
continue;
}
size_t valueStart = str.find_first_not_of(WHITESPACE, separator + 1);
if(valueStart == string::npos) {
// Empty value.
section->addKey(str.substr(start, nameEnd - start), string());
continue;
}
size_t valueEnd;
if(str[valueStart] == '"') {
valueStart++;
valueEnd = str.find_last_of('"');
arx_assert(valueEnd != string::npos);
if(valueEnd < valueStart) {
// The localisation files are broken (missing ending quote), so ignore this error.
LogDebug("invalid quoted value @ line " << line << ": " << str);
valueEnd = str.length();
}
} else {
valueEnd = str.find_last_not_of(WHITESPACE) + 1;
arx_assert(valueEnd != string::npos);
}
arx_assert(valueEnd >= valueStart);
section->addKey(str.substr(start, nameEnd - start), str.substr(valueStart, valueEnd - valueStart));
// Ignoring rest of the line, not verifying that it's only whitespace / comment
}
return ok;
}
bool IniReader::read(std::istream & is) {
// The current section
IniSection * section = NULL;
bool ok = true;
bool readline = true;
std::string str;
// While lines remain to be extracted
for(size_t line = 1; is.good(); line++) {
// Get a line to process
if(readline) {
str.clear();
getline(is, str);
} else {
readline = true;
}
size_t start = str.find_first_not_of(WHITESPACE);
if(start == std::string::npos) {
// Empty line (only whitespace)
continue;
}
if(str[start] == '#'
|| (start + 1 < str.length() && str[start] == '/' && str[start+1] == '/')) {
// Whole line was commented, no need to do anything with it. Continue getting the next line
continue;
}
// Section header
if(str[start] == '[') {
size_t end = str.find(']', start + 1);
if(end == std::string::npos) {
LogDebug("invalid header @ line " << line << ": " << str);
end = str.find_first_not_of(ALPHANUM, start + 1);
if(end == std::string::npos) {
end = str.length();
}
}
std::string sectionName = str.substr(start + 1, end - start - 1);
transform(sectionName.begin(), sectionName.end(), sectionName.begin(), ::tolower);
LogDebug("found section: \"" << sectionName << "\"");
section = §ions[sectionName];
// Ignoring rest of the line, not verifying that it's only whitespace / comment
continue;
}
if(!section) {
LogWarning << "Ignoring non-empty line " << line << " outside a section: " << str;
ok = false;
continue;
}
size_t nameEnd = str.find_first_not_of(ALPHANUM, start);
if(nameEnd == std::string::npos) {
ok = false;
LogWarning << "Missing '=' separator @ line " << line << ": " << str;
continue;
} else if(nameEnd == start) {
ok = false;
LogWarning << "Empty key name @ line " << line << ": " << str;
continue;
}
bool quoted = false;
size_t separator = str.find_first_not_of(WHITESPACE, nameEnd);
if(separator == std::string::npos || str[separator] != '=') {
if(separator != std::string::npos && separator + 1 < str.length()
&& str[separator] == '"' && str[separator + 1] == '=') {
LogDebug("found '\"=' instead of '=\"' @ line " << line << ": " << str);
quoted = true;
} else {
ok = false;
LogWarning << "Missing '=' separator @ line " << line << ": " << str;
continue;
}
}
size_t valueStart = str.find_first_not_of(WHITESPACE, separator + 1);
if(valueStart == std::string::npos) {
// Empty value.
section->addKey(str.substr(start, nameEnd - start), std::string());
continue;
}
std::string key = str.substr(start, nameEnd - start);
std::string value;
if(quoted || str[valueStart] == '"') {
valueStart++;
size_t valueEnd = str.find_last_of('"');
arx_assert(valueEnd != std::string::npos);
if(valueEnd < valueStart) {
// The localisation files are broken (missing ending quote)
// But the spanish localisation files hae erroneous newlines in some values
LogDebug("invalid quoted value @ line " << line << ": " << str);
valueEnd = str.find_last_not_of(WHITESPACE) + 1;
arx_assert(valueEnd >= valueStart);
value = str.substr(valueStart, valueEnd - valueStart);
// Add following lines until we find either a terminating quote,
// an empty or commented line, a new section or a new key
for(; is.good(); line++) {
str.clear();
getline(is, str);
size_t start = str.find_first_not_of(WHITESPACE);
if(start == std::string::npos) {
// Empty line (only whitespace)
break;
}
if(str[start] == '#'
|| (start + 1 < str.length() && str[start] == '/' && str[start+1] == '/')) {
// Whole line was commented
break;
}
if(str[start] == '[') {
// New section
line--, readline = false;
break;
}
size_t nameEnd = str.find_first_not_of(ALPHANUM, start);
if(nameEnd != std::string::npos && nameEnd != start) {
size_t separator = str.find_first_not_of(WHITESPACE, nameEnd);
if(separator != std::string::npos && str[separator] == '=') {
// New key
line--, readline = false;
break;
}
}
// Replace newlines with spaces!
value += ' ';
size_t valueEnd = str.find_last_of('"');
if(valueEnd != std::string::npos) {
// End of multi-line value
value += str.substr(start, valueEnd - start);
break;
}
valueEnd = str.find_last_not_of(WHITESPACE) + 1;
arx_assert(valueEnd > start);
value += str.substr(start, valueEnd - start);
}
} else {
value = str.substr(valueStart, valueEnd - valueStart);
}
} else {
size_t valueEnd = str.find_last_not_of(WHITESPACE) + 1;
arx_assert(valueEnd != std::string::npos);
arx_assert(valueEnd >= valueStart);
value = str.substr(valueStart, valueEnd - valueStart);
}
section->addKey(key, value);
// Ignoring rest of the line, not verifying that it's only whitespace / comment
}
return ok;
}