/**
* @brief Get token in a string separated by a delimiter (Single Char)
* Spec ref R[15.1]
*
* @param pp_token
* @param token_len
* @param input_string
* @param input_str_len
* @param delim_char
* @param next_ptr
*
* @return
*/
static inline rtsp_error_t rtsp_get_token(const char **pp_token, int32_t *token_len, const char *input_string, int32_t input_str_len, char delim_char, const char **next_ptr){
/*
* TODO - $EN - delim_char can be changed to an array of characters which may be delimiters for a token
*/
int32_t scan_index = 0;
rtsp_error_t e_ret_val = RTSP_E_FAILURE;
if(!pp_token || !token_len || !input_string || input_str_len<=0){
return (RTSP_E_INVALID_ARG);
}
while(scan_index < input_str_len){
if(input_string[scan_index] == delim_char){
/* Token end reached
* Calling function has to ensure reliable delim_char as per spec
* */
*pp_token = input_string;
*token_len = scan_index+1;
if (next_ptr)
*next_ptr = &input_string[scan_index+1];
e_ret_val = RTSP_E_SUCCESS;
break;
} else if(iscntrl(input_string[scan_index]) || is_tspecial(input_string[scan_index])){
/*
* Validates Token as per R[15.1]
*/
e_ret_val = RTSP_E_FAILURE;
break;
} else {
scan_index++;
}
}
return (e_ret_val);
}
boost::tribool& RequestParser::consume(Request& req, Buffer::iterator it)
{
static boost::tribool False(false);
static boost::tribool True(true);
static boost::tribool Indeterminate(boost::indeterminate);
const char input = *it;
if (++requestSize_ > MAX_REQUEST_HEADER_SIZE)
return False;
switch (httpState_)
{
case method_start:
if (input == '\r')
{
/*
* allow a new line before a request -- this seems to be
* accepted practice when dealing with multiple requests
* in one connection, separated by a CRLF.
*/
httpState_ = expecting_newline_0;
return Indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
httpState_ = method;
consumeToString(req.method, MAX_METHOD_SIZE);
consumeChar(it);
return Indeterminate;
}
case expecting_newline_0:
if (input == '\n')
{
httpState_ = method_start;
return Indeterminate;
}
else
{
return False;
}
case method:
if (input == ' ')
{
consumeComplete(it);
httpState_ = uri_start;
return Indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
if (consumeChar(it))
return Indeterminate;
else
return False;
}
case uri_start:
if (is_ctl(input))
{
return False;
}
else
{
httpState_ = uri;
consumeToString(req.uri, MAX_URI_SIZE);
consumeChar(it);
return Indeterminate;
}
case uri:
if (input == ' ')
{
consumeComplete(it);
httpState_ = http_version_h;
return Indeterminate;
}
else if (is_ctl(input))
{
return False;
}
else
{
if (consumeChar(it))
return Indeterminate;
else
return False;
}
case http_version_h:
if (input == 'H')
{
httpState_ = http_version_t_1;
return Indeterminate;
}
else
{
return False;
}
case http_version_t_1:
if (input == 'T')
{
httpState_ = http_version_t_2;
return Indeterminate;
}
else
{
return False;
}
case http_version_t_2:
if (input == 'T')
{
httpState_ = http_version_p;
return Indeterminate;
}
else
{
return False;
}
case http_version_p:
if (input == 'P')
{
httpState_ = http_version_slash;
return Indeterminate;
}
else
{
return False;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
httpState_ = http_version_major_start;
return Indeterminate;
}
else
{
return False;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
httpState_ = http_version_major;
return Indeterminate;
}
else
{
return False;
}
case http_version_major:
if (input == '.')
{
httpState_ = http_version_minor_start;
return Indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return Indeterminate;
}
else
{
return False;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
httpState_ = http_version_minor;
return Indeterminate;
}
else
{
return False;
}
case http_version_minor:
if (input == '\r')
{
httpState_ = expecting_newline_1;
return Indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return Indeterminate;
}
else
{
return False;
}
case expecting_newline_1:
if (input == '\n')
{
httpState_ = header_line_start;
return Indeterminate;
}
else
{
return False;
}
case header_line_start:
if (input == '\r')
{
httpState_ = expecting_newline_3;
return Indeterminate;
}
else if ((input == ' ' || input == '\t') && haveHeader_)
{
// continuation of previous header
httpState_ = header_lws;
return Indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
req.headers.push_back(Request::Header());
haveHeader_ = true;
consumeToString(req.headers.back().name, MAX_FIELD_NAME_SIZE);
consumeChar(it);
httpState_ = header_name;
return Indeterminate;
}
case header_lws:
if (input == '\r')
{
httpState_ = expecting_newline_2;
return Indeterminate;
}
else if (input == ' ' || input == '\t')
{
return Indeterminate;
}
else if (is_ctl(input))
{
return False;
}
else
{
httpState_ = header_value;
consumeChar(it);
return Indeterminate;
}
case header_name:
if (input == ':')
{
consumeComplete(it);
httpState_ = space_before_header_value;
return Indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
if (consumeChar(it))
return Indeterminate;
else
return False;
}
case space_before_header_value:
if (input == ' ')
{
consumeToString(req.headers.back().value, MAX_FIELD_VALUE_SIZE);
httpState_ = header_value;
return Indeterminate;
}
else
{
consumeToString(req.headers.back().value, MAX_FIELD_VALUE_SIZE);
httpState_ = header_value;
/* fall through */
}
case header_value:
if (input == '\r')
{
consumeComplete(it);
httpState_ = expecting_newline_2;
return Indeterminate;
}
else if (is_ctl(input))
{
return False;
}
else
{
if (consumeChar(it))
return Indeterminate;
else
return False;
}
case expecting_newline_2:
if (input == '\n')
{
httpState_ = header_line_start;
return Indeterminate;
}
else
{
return False;
}
case expecting_newline_3:
if (input == '\n')
return True;
else
return False;
default:
return False;
}
}
bool parse_http_headers(Iterator begin, Iterator end, std::string& content_type, std::size_t& content_length, std::string& location)
{
enum
{
first_header_line_start,
header_line_start,
header_lws,
header_name,
space_before_header_value,
header_value,
linefeed,
final_linefeed,
fail
} state = first_header_line_start;
Iterator iter = begin;
std::string reason;
std::string name;
std::string value;
while (iter != end && state != fail)
{
char c = *iter++;
switch (state)
{
case first_header_line_start:
if (c == '\r')
state = final_linefeed;
else if (!is_char(c) || is_ctl(c) || is_tspecial(c))
state = fail;
else
{
name.push_back(c);
state = header_name;
}
break;
case header_line_start:
if (c == '\r')
{
check_header(name, value, content_type, content_length, location);
name.clear();
value.clear();
state = final_linefeed;
}
else if (c == ' ' || c == '\t')
state = header_lws;
else if (!is_char(c) || is_ctl(c) || is_tspecial(c))
state = fail;
else
{
check_header(name, value, content_type, content_length, location);
name.clear();
value.clear();
name.push_back(c);
state = header_name;
}
break;
case header_lws:
if (c == '\r')
state = linefeed;
else if (c == ' ' || c == '\t')
; // Discard character.
else if (is_ctl(c))
state = fail;
else
{
state = header_value;
value.push_back(c);
}
break;
case header_name:
if (c == ':')
state = space_before_header_value;
else if (!is_char(c) || is_ctl(c) || is_tspecial(c))
state = fail;
else
name.push_back(c);
break;
case space_before_header_value:
state = (c == ' ') ? header_value : fail;
break;
case header_value:
if (c == '\r')
state = linefeed;
else if (is_ctl(c))
state = fail;
else
value.push_back(c);
break;
case linefeed:
state = (c == '\n') ? header_line_start : fail;
break;
case final_linefeed:
return (c == '\n');
default:
return false;
}
}
return false;
}
/// Handle the next character of input.
result_type consume(char input)
{
switch (state_)
{
case METHOD_START:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
state_ = METHOD;
method_.push_back(input);
return indeterminate;
}
case METHOD:
if (input == ' ')
{
state_ = URI;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
method_.push_back(input);
return indeterminate;
}
case URI:
if (input == ' ')
{
state_ = HTTP_VERSION_H;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
url_.push_back(input);
return indeterminate;
}
case HTTP_VERSION_H:
if (input == 'H')
{
state_ = HTTP_VERSUIN_T_1;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSUIN_T_1:
if (input == 'T')
{
state_ = HTTP_VERSION_T_2;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_T_2:
if (input == 'T')
{
state_ = HTTP_VERSION_P;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_P:
if (input == 'P')
{
state_ = HTTP_VERSION_SLASH;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_SLASH:
if (input == '/')
{
version_major_ = 0;
version_minor_ = 0;
state_ = HTTP_VERSION_MAJOR_START;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_MAJOR_START:
if (is_digit(input))
{
version_major_ = version_major_ * 10 + input - '0';
state_ = HTTP_VERSION_MAJOR;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_MAJOR:
if (input == '.')
{
state_ = HTTP_VERSION_MINOR_START;
return indeterminate;
}
else if (is_digit(input))
{
version_major_ = version_major_ * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_MINOR_START:
if (is_digit(input))
{
version_minor_ = version_minor_ * 10 + input - '0';
state_ = HTTP_VERSION_MINOR;
return indeterminate;
}
else
{
return bad;
}
case HTTP_VERSION_MINOR:
if (input == '\r')
{
state_ = EXPECTING_NEWLINE_1;
return indeterminate;
}
else if (is_digit(input))
{
version_minor_ = version_minor_ * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case EXPECTING_NEWLINE_1:
if (input == '\n')
{
state_ = HEADER_LINE_START;
return indeterminate;
}
else
{
return bad;
}
case HEADER_LINE_START:
if (input == '\r')
{
state_ = EXPECTING_NEWLINE_3;
return indeterminate;
}
else if (header_.size() != 0 && (input == ' ' || input == '\t'))
{
state_ = HEADER_LWS;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
current_header_key_.clear();
current_header_val_.clear();
current_header_key_.push_back(input);
state_ = HEADER_NAME;
return indeterminate;
}
case HEADER_LWS:
if (input == '\r')
{
state_ = EXPECTING_NEWLINE_2;
return indeterminate;
}
else if (input == ' ' || input == '\t')
{
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
state_ = HEADER_VALUE;
current_header_val_.push_back(input);
return indeterminate;
}
case HEADER_NAME:
if (input == ':')
{
state_ = SPACE_BEFORE_HEADER_VALUE;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
current_header_key_.push_back(input);
return indeterminate;
}
case SPACE_BEFORE_HEADER_VALUE:
if (input == ' ')
return indeterminate;
else if(is_ctl(input))
return bad;
current_header_val_.push_back(input);
state_ = HEADER_VALUE;
return indeterminate;
case HEADER_VALUE:
if (input == '\r')
{
auto tmp = boost::trim_right_copy_if(current_header_val_, [](const char c)->bool{return c == ' ';});
header_.add(current_header_key_, std::move(tmp));
state_ = EXPECTING_NEWLINE_2;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
current_header_val_.push_back(input);
return indeterminate;
}
case EXPECTING_NEWLINE_2:
if (input == '\n')
{
state_ = HEADER_LINE_START;
return indeterminate;
}
else
{
return bad;
}
case EXPECTING_NEWLINE_3:
{
if (input != '\n')
{
return bad;
}
if (header_.get_count("content-length") !=0 )
{
content_length_ = boost::lexical_cast<unsigned int>(header_.get_val("content-length"));
if (content_length_ > 0)
{
state_ = REQUEST_BODY;
return indeterminate;
}
return good;
}
content_length_ = 0;
return good;
}
case REQUEST_BODY:
{
body_.push_back(input);
if (body_.size() < content_length_)
{
return indeterminate;
}
else
{
return good;
}
}
default:
return bad;
}
}
boost::tribool request_parser::consume(request& req, char input)
{
switch (state_) {
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
state_ = method;
req.method.push_back(input);
return boost::indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.method.push_back(input);
return boost::indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.uri.push_back(input);
return boost::indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return boost::indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return boost::indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (input == ' ' || input == '\t')
{
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.back().name.push_back(input);
return boost::indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return boost::indeterminate;
}
else
{
return false;
}
case header_value:
if (input == '\r')
{
state_ = expecting_newline_2;
if (req.headers.back().name == content_length_name_)
content_length_ = boost::lexical_cast<std::size_t>(req.headers.back().value);
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_3:
state_ = content;
if (content_length_ > 0)
return boost::indeterminate;
return (input == '\n');
case content:
// Content.
/*std::cout << state_ << std::endl;
std::cout << input << std::endl;
std::cout << req.content.size() << std::endl;
std::cout << content_length_ << std::endl;*/
req.content.push_back(input);
if (req.content.size() == content_length_)
return true;
return boost::indeterminate;
default:
return false;
}
}
boost::tribool request_parser::consume(request& req, char input) {
switch (state_) {
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
return false;
} else {
state_ = method;
req.method.push_back(input);
return boost::indeterminate;
}
case method:
if (input == ' ') {
if (req.method != "POST") return false; // only POST method is allowed
state_ = uri;
return boost::indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
return false;
} else {
req.method.push_back(input);
return boost::indeterminate;
}
case uri:
if (input == ' ') {
state_ = http_version_h;
return boost::indeterminate;
} else if (is_ctl(input) || input == '?') {
return false;
} else {
req.uri.push_back(input);
return boost::indeterminate;
}
case http_version_h:
if (input == 'H') {
state_ = http_version_t_1;
return boost::indeterminate;
} else {
return false;
}
case http_version_t_1:
if (input == 'T') {
state_ = http_version_t_2;
return boost::indeterminate;
} else {
return false;
}
case http_version_t_2:
if (input == 'T') {
state_ = http_version_p;
return boost::indeterminate;
} else {
return false;
}
case http_version_p:
if (input == 'P') {
state_ = http_version_slash;
return boost::indeterminate;
} else {
return false;
}
case http_version_slash:
if (input == '/') {
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return boost::indeterminate;
} else {
return false;
}
case http_version_major_start:
if (is_digit(input)) {
req.http_version_major = input - '0';
state_ = http_version_major;
return boost::indeterminate;
} else {
return false;
}
case http_version_major:
if (input == '.') {
state_ = http_version_minor_start;
return boost::indeterminate;
} else if (is_digit(input)) {
req.http_version_major = req.http_version_major * 10 + input - '0';
return boost::indeterminate;
} else {
return false;
}
case http_version_minor_start:
if (is_digit(input)) {
req.http_version_minor = input - '0';
state_ = http_version_minor;
return boost::indeterminate;
} else {
return false;
}
case http_version_minor:
if (input == '\r') {
state_ = expecting_newline_before_first_header;
return boost::indeterminate;
} else if (is_digit(input)) {
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return boost::indeterminate;
} else {
return false;
}
case expecting_newline_before_first_header:
if (input == '\n') {
state_ = header_line_start;
return boost::indeterminate;
} else {
return false;
}
case header_line_start:
if (input == '\r') {
state_ = expecting_body_start;
return boost::indeterminate;
} else if (!req.headers.empty() && (input == ' ' || input == '\t')) {
state_ = header_lws;
return boost::indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
return false;
} else {
req.headers.emplace_back();
header& h = req.headers.back();
h.name.reserve(64);
h.value.reserve(64);
h.name.push_back(input);
state_ = header_name;
return boost::indeterminate;
}
case header_lws:
if (input == '\r') {
state_ = expecting_newline;
return boost::indeterminate;
} else if (input == ' ' || input == '\t') {
return boost::indeterminate;
} else if (is_ctl(input)) {
return false;
} else {
state_ = header_value;
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case header_name:
if (input == ':') {
state_ = space_before_header_value;
return boost::indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
return false;
} else {
req.headers.back().name.push_back(input);
return boost::indeterminate;
}
case space_before_header_value:
if (input == ' ') {
state_ = header_value;
return boost::indeterminate;
} else {
return false;
}
case header_value:
if (input == '\r') {
state_ = expecting_newline;
return boost::indeterminate;
} else if (is_ctl(input)) {
return false;
} else {
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case expecting_newline:
if (input == '\n') {
state_ = header_line_start;
return boost::indeterminate;
} else {
return false;
}
case expecting_body_start:
if (input == '\n') {
state_ = expecting_json_start;
return boost::indeterminate;
} else {
return false;
}
case expecting_json_start:
req.body.push_back(input);
if (input == '{') {
++nesting_level_;
state_ = expecting_json_end;
}
return boost::indeterminate;
case expecting_json_end:
req.body.push_back(input);
if (input == '{') {
++nesting_level_;
} else if (input == '}') {
--nesting_level_;
if (!nesting_level_) return true;
}
return boost::indeterminate;
default:
return false;
}
}
Response::Parser::state Response::Parser::consume(Response& resp, char input) {
switch (state_) {
case http_version_h:
if (input == 'H') {
state_ = http_version_t_1;
return indeterminate;
} else {
return bad;
}
case http_version_t_1:
if (input == 'T') {
state_ = http_version_t_2;
return indeterminate;
} else {
return bad;
}
case http_version_t_2:
if (input == 'T') {
state_ = http_version_p;
return indeterminate;
} else {
return bad;
}
case http_version_p:
if (input == 'P') {
state_ = http_version_slash;
return indeterminate;
} else {
return bad;
}
case http_version_slash:
if (input == '/') {
resp.major_ = resp.minor_ = 0;
state_ = http_version_major_start;
return indeterminate;
} else {
return bad;
}
case http_version_major_start:
if (is_digit(input)) {
resp.major_ = resp.major_ * 10 + (input - '0');
state_ = http_version_major;
return indeterminate;
} else {
return bad;
}
case http_version_major:
if (input == '.') {
state_ = http_version_minor_start;
return indeterminate;
} else if (is_digit(input)) {
resp.major_ = resp.major_ * 10 + (input - '0');
return indeterminate;
} else {
return bad;
}
case http_version_minor_start:
if (is_digit(input)) {
resp.minor_ = resp.minor_ * 10 + (input - '0');
state_ = http_version_minor;
return indeterminate;
} else {
return bad;
}
case http_version_minor:
if (input == ' ') {
resp.status_code_ = 0;
state_ = http_status_code;
return indeterminate;
} else if (is_digit(input)) {
resp.minor_ = resp.minor_ * 10 + (input - '0');
return indeterminate;
} else {
return bad;
}
case http_status_code:
if (is_digit(input)) {
resp.status_code_ = resp.status_code_ * 10 + (input - '0');
return indeterminate;
} else if (input == ' ') {
state_ = http_status_msg;
return indeterminate;
} else {
return bad;
}
case http_status_msg:
if (input == '\r') {
state_ = expecting_newline_1;
return indeterminate;
} else if (is_char(input)) {
resp.desc.push_back(input);
return indeterminate;
} else {
return bad;
}
case expecting_newline_1:
if (input == '\n') {
state_ = header_line_start;
return indeterminate;
} else {
return bad;
}
case header_line_start:
if (input == '\r') {
state_ = expecting_newline_3;
return indeterminate;
} else if (!resp.headers.empty() && (input == ' ' || input == '\t')) {
state_ = header_lws;
return indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
return bad;
} else {
resp.headers.emplace_back();
resp.headers.back().first.push_back(input);
state_ = header_name;
return indeterminate;
}
case header_lws:
if (input == '\r') {
state_ = expecting_newline_2;
return indeterminate;
} else if (input == ' ' || input == '\t') {
return indeterminate;
} else if (is_ctl(input)) {
return bad;
} else {
state_ = header_value;
resp.headers.back().second.push_back(input);
return indeterminate;
}
case header_name:
if (input == ':') {
state_ = space_before_header_value;
return indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
return bad;
} else {
resp.headers.back().first.push_back(input);
return indeterminate;
}
case space_before_header_value:
if (input == ' ') {
state_ = header_value;
return indeterminate;
} else {
return bad;
}
case header_value:
if (input == '\r') {
state_ = expecting_newline_2;
return indeterminate;
} else if (is_ctl(input)) {
return bad;
} else {
resp.headers.back().second.push_back(input);
return indeterminate;
}
case expecting_newline_2:
if (input == '\n') {
state_ = header_line_start;
return indeterminate;
} else {
return bad;
}
case expecting_newline_3:
return (input == '\n') ? good : bad;
default:
return bad;
}
}
boost::tribool request_parser::consume(request& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
state_ = method;
req.method.push_back(input);
return boost::indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.method.push_back(input);
return boost::indeterminate;
}
case uri_start:
if (is_ctl(input))
{
return false;
}
else
{
state_ = uri;
req.uri.push_back(input);
return boost::indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.uri.push_back(input);
return boost::indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return boost::indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return boost::indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (input == ' ' || input == '\t')
{
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.back().name.push_back(input);
return boost::indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return boost::indeterminate;
}
else
{
return false;
}
case header_value:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
std::vector<header>::const_iterator cit = req.headers.begin();
for (; cit != req.headers.end(); ++cit)
{
std::string n = (*cit).name;
std::transform(n.begin(), n.end(), n.begin(), ::toupper);
if (n == UPPER_CONTENT_LENGTH)
{
try
{
cl_ = boost::lexical_cast<int>((*cit).value);
}
catch (const boost::bad_lexical_cast& e)
{
return false;
}
}
else if (n == UPPER_CONTENT_TYPE)
{
std::string m = (*cit).value;
std::transform(m.begin(), m.end(), m.begin(), ::toupper);
if (m != UPPER_MIME_TYPE)
{
return false;
}
}
}
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_3:
{
if (0 == cl_)
{
return (input == '\n');
}
else
{
state_ = post_data;
return boost::indeterminate;
}
}
case post_data:
{
req.post_data.push_back(input);
if (0 == --cl_)
return true;
else
return ((cl_ < 0) ? false : boost::indeterminate);
}
default:
return false;
}
}
request_parser::result_type request_parser::consume(request& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
state_ = method;
req.method.push_back(input);
return indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.method.push_back(input);
return indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
req.uri.push_back(input);
return indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return indeterminate;
}
else
{
return bad;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return indeterminate;
}
else
{
return bad;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return indeterminate;
}
else
{
return bad;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return indeterminate;
}
else
{
return bad;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return indeterminate;
}
else
{
return bad;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return indeterminate;
}
else
{
return bad;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return indeterminate;
}
else
{
return bad;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return indeterminate;
}
else
{
return bad;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return indeterminate;
}
else if (input == ' ' || input == '\t')
{
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.headers.back().name.push_back(input);
return indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return indeterminate;
}
else
{
return bad;
}
case header_value:
if (input == '\r')
{
if (req.headers.back().name == "Content-Length")
{
body_content_length_ = std::stoi(req.headers.back().value);
}
state_ = expecting_newline_2;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
req.headers.back().value.push_back(input);
return indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
return indeterminate;
}
else
{
return bad;
}
case expecting_newline_3:
if (body_content_length_ > 0)
{
state_ = body;
return indeterminate;
}
return (input == '\n') ? good : bad;
case body:
req.body.push_back(input);
if (req.body.length() < body_content_length_)
{
return indeterminate;
}
return good;
default:
return bad;
}
}
request_parser::result_type request_parser::consume(request& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
state_ = method;
req.method.push_back(input);
return indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.method.push_back(input);
return indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
req.uri.push_back(input);
return indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return indeterminate;
}
else
{
return bad;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return indeterminate;
}
else
{
return bad;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return indeterminate;
}
else
{
return bad;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return indeterminate;
}
else
{
return bad;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return indeterminate;
}
else
{
return bad;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return indeterminate;
}
else
{
return bad;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return indeterminate;
}
else
{
return bad;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return indeterminate;
}
else
{
return bad;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return indeterminate;
}
else if (input == ' ' || input == '\t')
{
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.headers.back().name.push_back(input);
return indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return indeterminate;
}
else
{
return bad;
}
case header_value:
if (input == '\r')
{
state_ = expecting_newline_2;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
req.headers.back().value.push_back(input);
return indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
// try parse content-length
if(!req.headers.empty() &&
0 == stricmp("Content-Length", req.headers.rbegin()->name.c_str() ))
{
req.content_length = atoi(req.headers.rbegin()->value.c_str());
}
return indeterminate;
}
else
{
return bad;
}
case expecting_newline_3: // headers parse complete
return (input == '\n') ? good : bad;
default:
return bad;
}
}
boost::tribool request_parser::consume(request& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
state_ = method;
req.method.push_back(input);
return boost::indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.method.push_back(input);
return boost::indeterminate;
}
case uri_start:
if (is_ctl(input))
{
return false;
}
else
{
state_ = uri;
req.uri.push_back(input);
return boost::indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.uri.push_back(input);
return boost::indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return boost::indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return boost::indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (input == ' ' || input == '\t')
{
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.back().name.push_back(input);
return boost::indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return boost::indeterminate;
}
else
{
return false;
}
case header_value:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_3:
if (input == '\n')
{
if( req.method != "POST" )
{
// finished
return true;
} else
{
// this is a post request, so we need to read the content
req.content_length = 0;
for( std::vector<header>::iterator ph = req.headers.begin(); ph != req.headers.end(); ++ph )
{
if( (*ph).name == "Content-Length" ) {
req.content_length = atoi( (*ph).value.c_str());
break;
}
}
state_ = reading_content;
return boost::indeterminate;
}
} else
{
return false;
}
case reading_content:
req.content += input;
if( req.content.length() == req.content_length )
{
return true;
}
else
{
return boost::indeterminate;
}
default:
return false;
}
}
boost::tribool& RequestParser::consume(Request& req, char input)
{
static boost::tribool False(false);
static boost::tribool True(true);
static boost::tribool Indeterminate(boost::indeterminate);
if (++requestSize_ > MAX_REQUEST_HEADER_SIZE)
return False;
switch (httpState_)
{
case method_start:
if (input == '\r')
{
/*
* allow a new line before a request -- this seems to be
* accepted practice when dealing with multiple requests
* in one connection, separated by a CRLF.
*/
httpState_ = expecting_newline_0;
return Indeterminate;
} else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
httpState_ = method;
consumeToString(req.method, MAX_METHOD_SIZE);
consumeChar(input);
return Indeterminate;
}
case expecting_newline_0:
if (input == '\n')
{
httpState_ = method_start;
return Indeterminate;
}
else
{
return False;
}
case method:
if (input == ' ')
{
consumeComplete();
httpState_ = uri_start;
return Indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
if (consumeChar(input))
return Indeterminate;
else
return False;
}
case uri_start:
if (is_ctl(input))
{
return False;
}
else
{
httpState_ = uri;
consumeToString(req.uri, MAX_URI_SIZE);
consumeChar(input);
return Indeterminate;
}
case uri:
if (input == ' ')
{
consumeComplete();
httpState_ = http_version_h;
return Indeterminate;
}
else if (is_ctl(input))
{
return False;
}
else
{
if (consumeChar(input))
return Indeterminate;
else
return False;
}
case http_version_h:
if (input == 'H')
{
httpState_ = http_version_t_1;
return Indeterminate;
}
else
{
return False;
}
case http_version_t_1:
if (input == 'T')
{
httpState_ = http_version_t_2;
return Indeterminate;
}
else
{
return False;
}
case http_version_t_2:
if (input == 'T')
{
httpState_ = http_version_p;
return Indeterminate;
}
else
{
return False;
}
case http_version_p:
if (input == 'P')
{
httpState_ = http_version_slash;
return Indeterminate;
}
else
{
return False;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
httpState_ = http_version_major_start;
return Indeterminate;
}
else
{
return False;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
httpState_ = http_version_major;
return Indeterminate;
}
else
{
return False;
}
case http_version_major:
if (input == '.')
{
httpState_ = http_version_minor_start;
return Indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return Indeterminate;
}
else
{
return False;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
httpState_ = http_version_minor;
return Indeterminate;
}
else
{
return False;
}
case http_version_minor:
if (input == '\r')
{
httpState_ = expecting_newline_1;
return Indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return Indeterminate;
}
else
{
return False;
}
case expecting_newline_1:
if (input == '\n')
{
httpState_ = header_line_start;
return Indeterminate;
}
else
{
return False;
}
case header_line_start:
if (input == '\r')
{
httpState_ = expecting_newline_3;
return Indeterminate;
}
else if (!req.headerMap.empty() && (input == ' ' || input == '\t'))
{
// continuation of previous header
httpState_ = header_lws;
return Indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
consumeToString(headerName_, MAX_FIELD_NAME_SIZE);
consumeChar(input);
httpState_ = header_name;
return Indeterminate;
}
case header_lws:
if (input == '\r')
{
httpState_ = expecting_newline_2;
return Indeterminate;
}
else if (input == ' ' || input == '\t')
{
return Indeterminate;
}
else if (is_ctl(input))
{
return False;
}
else
{
httpState_ = header_value;
headerValue_.push_back(input);
return Indeterminate;
}
case header_name:
if (input == ':')
{
consumeComplete();
httpState_ = space_before_header_value;
return Indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return False;
}
else
{
if (consumeChar(input))
return Indeterminate;
else
return False;
}
case space_before_header_value:
if (input == ' ')
{
consumeToString(headerValue_, MAX_FIELD_VALUE_SIZE);
httpState_ = header_value;
return Indeterminate;
}
else
{
consumeToString(headerValue_, MAX_FIELD_VALUE_SIZE);
httpState_ = header_value;
}
case header_value:
if (input == '\r')
{
consumeComplete();
if (req.headerMap.find(headerName_) != req.headerMap.end()) {
req.headerMap[headerName_] += ',' + headerValue_;
} else {
Request::HeaderMap::iterator i
= req.headerMap.insert(std::make_pair(headerName_, headerValue_))
.first;
req.headerOrder.push_back(i);
}
httpState_ = expecting_newline_2;
return Indeterminate;
}
else if (is_ctl(input))
{
return False;
}
else
{
if (consumeChar(input))
return Indeterminate;
else
return False;
}
case expecting_newline_2:
if (input == '\n')
{
httpState_ = header_line_start;
return Indeterminate;
}
else
{
return False;
}
case expecting_newline_3:
if (input == '\n')
return True;
else
return False;
default:
return False;
}
}
boost::tribool request_parser::consume(request& req, const char input)
{
switch(state_)
{
case command_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
state_ = command;
req.command.push_back(input);
return boost::indeterminate;
}
case command:
if (':' == input)
{
state_ = argument;
return boost::indeterminate;
}
else if ('\r' == input)
{
state_ = newline_1;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.command.push_back(input);
return boost::indeterminate;
}
case argument:
if ('\r' == input)
{
state_ = newline_1;
return boost::indeterminate;
}
else if (!is_char(input))
{
return false;
}
else
{
req.argument.push_back(input);
return boost::indeterminate;
}
case newline_1:
if ('\n' == input)
{
state_ = command_start;
return true;
}
else
{
return false;
}
}
}
boost::tribool HTTPRequestParser::consume(HTTPRequest& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
state_ = method;
req.method.push_back(input);
return boost::indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.method.push_back(input);
return boost::indeterminate;
}
case uri_start:
if (is_ctl(input))
{
return false;
}
else
{
state_ = uri;
req.uri.push_back(input);
return boost::indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.uri.push_back(input);
return boost::indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return boost::indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
_currentHeaderKey.clear();
_currentHeaderValue.clear();
_currentHeaderKey.push_back(input);
state_ = header_name;
return boost::indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (input == ' ' || input == '\t')
{
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
state_ = header_value;
_currentHeaderValue.push_back(input);
return boost::indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
_currentHeaderKey.push_back(input);
return boost::indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return boost::indeterminate;
}
else
{
return false;
}
case header_value:
if (input == '\r')
{
req.headers.insert(make_pair(_currentHeaderKey, _currentHeaderValue));
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (is_ctl(input))
{
req.headers.insert(make_pair(_currentHeaderKey, _currentHeaderValue));
return false;
}
else
{
_currentHeaderValue.push_back(input);
return boost::indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_3:
if (input == '\n')
{
if(req.method != "POST")
return true;
HTTPRequest::Headers::const_iterator it(req.headers.find("Content-Length"));
if(it == req.headers.end())
return false;
_postToDownload = lexical_cast<size_t>(it->second);
state_ = postData;
return boost::indeterminate;
}
else
{
return false;
}
case postData:
req.postData.push_back(input);
--_postToDownload;
if(_postToDownload)
return boost::indeterminate;
else
return true;
default:
return false;
}
}
/*
** parse http message:
** http_eoh - end of headers
** {http_header, Key, Value} - Key = atom() | string()
** {http_request, Method,Url,Version}
** {http_response, Version, Status, Message}
** {http_error, Error-Line}
*/
int packet_parse_http(const char* buf, int len, int* statep,
PacketCallbacks* pcb, void* arg)
{
const char* ptr = buf;
const char* p0;
int n = len;
/* remove trailing CRNL (accept NL as well) */
if ((n >= 2) && (buf[n-2] == '\r'))
n -= 2;
else if ((n >= 1) && (buf[n-1] == '\n'))
n -= 1;
if (*statep == 0) {
/* start-line = Request-Line | Status-Line */
if (n >= 5 && (strncmp(buf, "HTTP/", 5) == 0)) {
int major = 0;
int minor = 0;
int status = 0;
/* Status-Line = HTTP-Version SP
* Status-Code SP Reason-Phrase
* CRNL
* HTTP-Version = "HTTP" "/" 1*DIGIT "." 1*DIGIT
*/
ptr += 5;
n -= 5;
p0 = ptr;
while (n && isdigit((int) *ptr)) {
major = 10*major + (*ptr - '0');
ptr++;
n--;
}
if (ptr==p0 || !n || (*ptr != '.'))
return -1;
ptr++;
n--;
p0 = ptr;
while (n && isdigit((int) *ptr)) {
minor = 10*minor + (*ptr - '0');
ptr++;
n--;
}
if (ptr==p0) return -1;
p0 = ptr;
while (n && SP(ptr)) {
ptr++; n--;
}
if (ptr==p0) return -1;
while (n && isdigit((int) *ptr)) {
status = 10*status + (*ptr - '0');
ptr++;
n--;
}
p0 = ptr;
while (n && SP(ptr)) {
ptr++; n--;
}
if (ptr==p0 && n>0) return -1;
/* NOTE: the syntax allows empty reason phrases */
(*statep) = !0;
return pcb->http_response(arg, major, minor, status,
ptr, n);
}
else {
/* Request-Line = Method SP Request-URI SP HTTP-Version CRLF */
http_atom_t* meth;
const char* meth_ptr = buf;
int meth_len;
PacketHttpURI uri;
const char* uri_ptr;
int uri_len;
int major = 0;
int minor = 0;
unsigned long h = 0;
while (n && !is_tspecial((unsigned char)*ptr)) {
hash_update(h, (int)*ptr);
ptr++;
n--;
}
meth_len = ptr - meth_ptr;
if (n == 0 || meth_len == 0 || !SP(ptr)) return -1;
meth = http_hash_lookup(meth_ptr, meth_len, h,
http_meth_hash, HTTP_METH_HASH_SIZE);
while (n && SP(ptr)) {
ptr++; n--;
}
uri_ptr = ptr;
while (n && !SP(ptr)) {
ptr++; n--;
}
if ((uri_len = (ptr - uri_ptr)) == 0)
return -1;
while (n && SP(ptr)) {
ptr++; n--;
}
if (n == 0) {
(*statep) = !0;
http_parse_uri(&uri, uri_ptr, uri_len);
return pcb->http_request(arg, meth, meth_ptr, meth_len,
&uri, 0, 9);
}
if (n < 8)
return -1;
if (strncmp(ptr, "HTTP/", 5) != 0)
return -1;
ptr += 5;
n -= 5;
p0 = ptr;
while (n && isdigit((int) *ptr)) {
major = 10*major + (*ptr - '0');
ptr++;
n--;
}
if (ptr==p0 || !n || (*ptr != '.'))
return -1;
ptr++;
n--;
p0 = ptr;
while (n && isdigit((int) *ptr)) {
minor = 10*minor + (*ptr - '0');
ptr++;
n--;
}
if (ptr==p0) return -1;
(*statep) = !0;
http_parse_uri(&uri, uri_ptr, uri_len);
return pcb->http_request(arg, meth, meth_ptr, meth_len,
&uri, major, minor);
}
}
else {
int up = 1; /* make next char uppercase */
http_atom_t* name;
char name_buf[HTTP_MAX_NAME_LEN];
const char* name_ptr = name_buf;
int name_len;
unsigned long h;
if (n == 0) {
/* end of headers */
*statep = 0; /* reset state (for next request) */
return pcb->http_eoh(arg);
}
h = 0;
name_len = 0;
while (!is_tspecial((unsigned char)*ptr)) {
if (name_len < HTTP_MAX_NAME_LEN) {
int c = *ptr;
if (up) {
if (islower(c)) {
c = toupper(c);
}
up = 0;
}
else {
if (isupper(c))
c = tolower(c);
else if (c == '-')
up = 1;
}
name_buf[name_len] = c;
hash_update(h, c);
}
name_len++;
ptr++;
if (--n == 0) return -1;
}
while (n && SP(ptr)) { /* Skip white space before ':' */
ptr++; n--;
}
if (*ptr != ':') {
return -1;
}
if (name_len <= HTTP_MAX_NAME_LEN) {
name = http_hash_lookup(name_buf, name_len, h,
http_hdr_hash, HTTP_HDR_HASH_SIZE);
}
else {
/* Is it ok to return original name without case adjustments? */
name_ptr = buf;
name = NULL;
}
ptr++;
n--;
/* Skip white space after ':' */
while (n && SP(ptr)) {
ptr++; n--;
}
return pcb->http_header(arg, name, name_ptr, name_len,
ptr, n);
}
return -1;
}
static bool is_token(int ch)
{
/* Can by antying except a ctl character or a tspecial */
return !is_ctl(ch) && !is_tspecial(ch);
}
NPLMsgIn_parser::Consume_Result NPLMsgIn_parser::consume(NPLMsgIn& req, char input)
{
switch (state_)
{
case method_start:
if (input == ' ' || input == '\r' || input == '\n')
{
return c_res_indeterminate;
}
else
{
// allowing char [0-255] as method name characters, escaping only \r\n and ' '.
state_ = method;
req.reset();
req.method.push_back(input);
return c_res_indeterminate;
}
case method:
if (input == ' ')
{
// this fix a bug when http url contains the '(', it may be mis-interpreted.
state_ = req.IsNPLFileActivation() ? uri : uri_http;
return c_res_indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return c_res_false;
}
else
{
req.method.push_back(input);
return c_res_indeterminate;
}
case uri_http:
if (input == ' ')
{
state_ = npl_version_n;
return c_res_indeterminate;
}
else if (input == '\n' || input == '\r')
{
state_ = header_line_start; // version is omitted on first line.
return c_res_indeterminate;
}
else
{
req.m_n_filename = 0;
req.m_filename.push_back(input);
return c_res_indeterminate;
}
case uri:
if (is_ctl(input))
{
req.npl_version_major = NPL_VERSION_MAJOR;
req.npl_version_minor = NPL_VERSION_MINOR;
state_ = header_line_start; // version is omitted on first line.
return c_res_indeterminate;
}
else if (input == '(')
{
state_ = uri_rts_name;
return c_res_indeterminate;
}
else if (is_digit(input))
{
req.m_n_filename = req.m_n_filename * 10 + input - '0';
req.m_filename.push_back(input);
return c_res_indeterminate;
}
else if (input == ' ')
{
state_ = npl_version_n;
return c_res_indeterminate;
}
else
{
req.m_n_filename = 0;
req.m_filename.push_back(input);
return c_res_indeterminate;
}
case uri_rts_name:
if (input == ')')
{
state_ = uri;
return c_res_indeterminate;
}
else if(is_ctl(input))
{
return c_res_false;
}
else
{
req.m_rts_name.push_back(input);
return c_res_indeterminate;
}
case npl_version_n:
if (input == '/')
{
req.npl_version_major = 0;
req.npl_version_minor = 0;
state_ = npl_version_major;
return c_res_indeterminate;
}
else if (input == '\n')
{
state_ = header_line_start;
return c_res_indeterminate;
}
else if (input == '\r')
return c_res_indeterminate;
else if (is_char(input))
{
// any character is accepted, such as "NPL", "HTTP"
if(req.m_filename.empty() && req.m_n_filename > 0)
{
// for http response, this stores the third parameter "OK", "Error"
req.m_filename.push_back(input);
}
return c_res_indeterminate;
}
else
{
return c_res_false;
}
case npl_version_major:
if (is_digit(input))
{
req.npl_version_major = req.npl_version_major * 10 + input - '0';
return c_res_indeterminate;
}
else if (input == '.')
{
state_ = npl_version_minor;
return c_res_indeterminate;
}
else
{
return c_res_false;
}
case npl_version_minor:
if (is_digit(input))
{
req.npl_version_minor = req.npl_version_minor * 10 + input - '0';
return c_res_indeterminate;
}
else if (input == '\n')
{
state_ = header_line_start;
return c_res_indeterminate;
}
else if (input == '\r')
return c_res_indeterminate;
else
{
return c_res_false;
}
case header_line_start:
if (input == '\n')
{
// continue to read the code length
state_ = code_length;
if(req.method.size()>2 && req.method != "npl")
{
// only do check header if method has at least three characters.
int nCount = (int)req.headers.size();
for (int i=0;i <nCount; ++i)
{
if(req.headers[i].name == "Content-Length")
{
int nLength = atoi(req.headers[i].value.c_str());
if(nLength>0)
{
state_ = code_body;
req.m_nLength = nLength;
req.m_code.reserve(req.m_nLength+1);
m_bCompressed = false;
return c_res_code_body;
}
else
{
break;
}
}
}
m_bCompressed = false;
reset();
return c_res_true;
}
return c_res_indeterminate;
}
else if (input == '\r')
return c_res_indeterminate;
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return c_res_indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return c_res_false;
}
else
{
req.headers.push_back(NPLMsgHeader());
req.headers.back().name.push_back(input);
state_ = header_name;
return c_res_indeterminate;
}
case header_lws:
if (input == '\n')
{
state_ = header_line_start;
return c_res_indeterminate;
}
else if (input == '\r')
return c_res_indeterminate;
else if (input == ' ' || input == '\t')
{
return c_res_indeterminate;
}
else if (is_ctl(input))
{
return c_res_false;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return c_res_indeterminate;
}
case header_name:
if (input == ':')
{
state_ = header_value;
return c_res_indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return c_res_false;
}
else
{
req.headers.back().name.push_back(input);
return c_res_indeterminate;
}
case header_value:
if (input == '\n')
{
state_ = header_line_start;
return c_res_indeterminate;
}
else if (input == '\r')
return c_res_indeterminate;
else if (is_ctl(input))
{
return c_res_false;
}
else
{
string& value_ = req.headers.back().value;
if( !(value_.empty() && (input == ' ' || input == '\t')) )
value_.push_back(input);
return c_res_indeterminate;
}
case code_length:
if(is_digit(input))
{
req.m_nLength = req.m_nLength * 10 + input - '0';
return c_res_indeterminate;
}
else if(input == ':' || input == '>')
{
state_ = code_body;
m_bCompressed = (input == '>');
if(req.m_nLength == 0)
{
reset();
return c_res_true;
}
else
{
req.m_code.reserve(req.m_nLength+1);
return c_res_code_body;
}
}
case code_body:
if(req.m_nLength>(int)req.m_code.size())
{
// I used a special return value c_res_code_body to indicate that code body is met,
// so that we can read to end or length instead of doing the lexical work by char at a time.
req.m_code.push_back(input);
if (req.m_nLength >(int)req.m_code.size())
return c_res_code_body;
else
{
reset();
return c_res_true;
}
}
default:
return c_res_false;
}
}
boost::tribool request_parser::consume(request& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
state_ = method;
req.method.push_back(input);
return boost::indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.method.push_back(input);
return boost::indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.uri.push_back(input);
return boost::indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return boost::indeterminate;
}
else
{
return false;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return boost::indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return boost::indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return boost::indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (input == ' ' || input == '\t')
{
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return boost::indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return false;
}
else
{
req.headers.back().name.push_back(input);
return boost::indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return boost::indeterminate;
}
else
{
return false;
}
case header_value:
if (input == '\r')
{
state_ = expecting_newline_2;
return boost::indeterminate;
}
else if (is_ctl(input))
{
return false;
}
else
{
req.headers.back().value.push_back(input);
return boost::indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
return boost::indeterminate;
}
else
{
return false;
}
case expecting_newline_3:
return (input == '\n');
default:
return false;
}
}
boost::tribool form_parser::consume(json_var& variable, char input)
{//std::cout << input << "<" << state_ << "\n";
switch (state_)
{
case var_start:
if (!is_char(input))
{
return false;
}
else if(input == '\0')
{
return true;
}
else
{
value_ += input;
state_ = var;
return boost::indeterminate;
}
case var:
if (input == '=')
{
(*var_)[value_] = json_var(json_var::string_var);
var_ = &(*var_)[value_];
value_.clear();
state_ = value_start;
return boost::indeterminate;
}
else if (input == '[')
{
state_ = property_start;
return boost::indeterminate;
}
else if (input == '&')
{
(*var_)[value_] = json_var(true);
value_.clear();
state_ = var_start;
return boost::indeterminate;
}
else if(input == '\0')
{
(*var_)[value_] = json_var(true);
return true;
}
else if (!is_char(input) || is_tspecial(input))
{
return false;
}
else
{
value_ += input;
return boost::indeterminate;
}
case property_start:
if (is_char(input) && !is_tspecial(input))
{
if((*var_)[value_].get_type() != json_var::object_var)
(*var_)[value_] = json_var(json_var::object_var);
var_ = &(*var_)[value_];
value_.clear();
value_ += input;
state_ = property;
return boost::indeterminate;
}
else
{
return false;
}
case property:
if (input == ']')
{
state_ = property_end;
return boost::indeterminate;
}
else if (is_char(input) && !is_tspecial(input))
{
value_ += input;
return boost::indeterminate;
}
else
{
return false;
}
case property_end:
if (input == '=')
{
(*var_)[value_] = json_var(json_var::string_var);
var_ = &(*var_)[value_];
value_.clear();
state_ = value_start;
return boost::indeterminate;
}
else if (input == '[')
{
state_ = property_start;
return boost::indeterminate;
}
else if (input == '&')
{
(*var_)[value_] = json_var("true");
value_.clear();
var_ = &variable;
state_ = var_start;
return boost::indeterminate;
}
else if(input == '\0')
{
(*var_)[value_] = json_var("true");
return true;
}
else
{
return false;
}
case value_start:
if (input == '&')
{
return false;
}
else
{
value_ += input;
state_ = value;
return boost::indeterminate;
}
case value:
if (input == '&')
{
//std::cout << value_ << '\n';
std::string value;
utils::url_decode(value_, value);
(*var_) = value;
value_.clear();
var_ = &variable;
state_ = var_start;
return boost::indeterminate;
}
else if (input == '\0')
{
//std::cout << value_ << '\n';
std::string value;
utils::url_decode(value_, value);
(*var_) = value;
return true;
}
else
{
value_ += input;
return boost::indeterminate;
}
default:
return false;
}
}